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-rw-r--r--gfx/layers/apz/test/gtest/APZCBasicTester.h120
-rw-r--r--gfx/layers/apz/test/gtest/APZCTreeManagerTester.h194
-rw-r--r--gfx/layers/apz/test/gtest/APZTestCommon.h609
-rw-r--r--gfx/layers/apz/test/gtest/InputUtils.h297
-rw-r--r--gfx/layers/apz/test/gtest/TestBasic.cpp356
-rw-r--r--gfx/layers/apz/test/gtest/TestEventRegions.cpp272
-rw-r--r--gfx/layers/apz/test/gtest/TestGestureDetector.cpp638
-rw-r--r--gfx/layers/apz/test/gtest/TestHitTesting.cpp578
-rw-r--r--gfx/layers/apz/test/gtest/TestInputQueue.cpp44
-rw-r--r--gfx/layers/apz/test/gtest/TestPanning.cpp128
-rw-r--r--gfx/layers/apz/test/gtest/TestPinching.cpp294
-rw-r--r--gfx/layers/apz/test/gtest/TestScrollHandoff.cpp521
-rw-r--r--gfx/layers/apz/test/gtest/TestSnapping.cpp64
-rw-r--r--gfx/layers/apz/test/gtest/TestTreeManager.cpp112
-rw-r--r--gfx/layers/apz/test/gtest/moz.build33
15 files changed, 4260 insertions, 0 deletions
diff --git a/gfx/layers/apz/test/gtest/APZCBasicTester.h b/gfx/layers/apz/test/gtest/APZCBasicTester.h
new file mode 100644
index 000000000..79a69301f
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/APZCBasicTester.h
@@ -0,0 +1,120 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_layers_APZCBasicTester_h
+#define mozilla_layers_APZCBasicTester_h
+
+/**
+ * Defines a test fixture used for testing a single APZC.
+ */
+
+#include "APZTestCommon.h"
+
+class APZCBasicTester : public APZCTesterBase {
+public:
+ explicit APZCBasicTester(AsyncPanZoomController::GestureBehavior aGestureBehavior = AsyncPanZoomController::DEFAULT_GESTURES)
+ : mGestureBehavior(aGestureBehavior)
+ {
+ }
+
+protected:
+ virtual void SetUp()
+ {
+ gfxPrefs::GetSingleton();
+ APZThreadUtils::SetThreadAssertionsEnabled(false);
+ APZThreadUtils::SetControllerThread(MessageLoop::current());
+
+ tm = new TestAPZCTreeManager(mcc);
+ apzc = new TestAsyncPanZoomController(0, mcc, tm, mGestureBehavior);
+ apzc->SetFrameMetrics(TestFrameMetrics());
+ apzc->GetScrollMetadata().SetIsLayersIdRoot(true);
+ }
+
+ /**
+ * Get the APZC's scroll range in CSS pixels.
+ */
+ CSSRect GetScrollRange() const
+ {
+ const FrameMetrics& metrics = apzc->GetFrameMetrics();
+ return CSSRect(
+ metrics.GetScrollableRect().TopLeft(),
+ metrics.GetScrollableRect().Size() - metrics.CalculateCompositedSizeInCssPixels());
+ }
+
+ virtual void TearDown()
+ {
+ while (mcc->RunThroughDelayedTasks());
+ apzc->Destroy();
+ tm->ClearTree();
+ tm->ClearContentController();
+ }
+
+ void MakeApzcWaitForMainThread()
+ {
+ apzc->SetWaitForMainThread();
+ }
+
+ void MakeApzcZoomable()
+ {
+ apzc->UpdateZoomConstraints(ZoomConstraints(true, true, CSSToParentLayerScale(0.25f), CSSToParentLayerScale(4.0f)));
+ }
+
+ void MakeApzcUnzoomable()
+ {
+ apzc->UpdateZoomConstraints(ZoomConstraints(false, false, CSSToParentLayerScale(1.0f), CSSToParentLayerScale(1.0f)));
+ }
+
+ void PanIntoOverscroll();
+
+ /**
+ * Sample animations once, 1 ms later than the last sample.
+ */
+ void SampleAnimationOnce()
+ {
+ const TimeDuration increment = TimeDuration::FromMilliseconds(1);
+ ParentLayerPoint pointOut;
+ AsyncTransform viewTransformOut;
+ mcc->AdvanceBy(increment);
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+ }
+
+ /**
+ * Sample animations until we recover from overscroll.
+ * @param aExpectedScrollOffset the expected reported scroll offset
+ * throughout the animation
+ */
+ void SampleAnimationUntilRecoveredFromOverscroll(const ParentLayerPoint& aExpectedScrollOffset)
+ {
+ const TimeDuration increment = TimeDuration::FromMilliseconds(1);
+ bool recoveredFromOverscroll = false;
+ ParentLayerPoint pointOut;
+ AsyncTransform viewTransformOut;
+ while (apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut)) {
+ // The reported scroll offset should be the same throughout.
+ EXPECT_EQ(aExpectedScrollOffset, pointOut);
+
+ // Trigger computation of the overscroll tranform, to make sure
+ // no assetions fire during the calculation.
+ apzc->GetOverscrollTransform(AsyncPanZoomController::NORMAL);
+
+ if (!apzc->IsOverscrolled()) {
+ recoveredFromOverscroll = true;
+ }
+
+ mcc->AdvanceBy(increment);
+ }
+ EXPECT_TRUE(recoveredFromOverscroll);
+ apzc->AssertStateIsReset();
+ }
+
+ void TestOverscroll();
+
+ AsyncPanZoomController::GestureBehavior mGestureBehavior;
+ RefPtr<TestAPZCTreeManager> tm;
+ RefPtr<TestAsyncPanZoomController> apzc;
+};
+
+#endif // mozilla_layers_APZCBasicTester_h
diff --git a/gfx/layers/apz/test/gtest/APZCTreeManagerTester.h b/gfx/layers/apz/test/gtest/APZCTreeManagerTester.h
new file mode 100644
index 000000000..4eeed1e7e
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/APZCTreeManagerTester.h
@@ -0,0 +1,194 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_layers_APZCTreeManagerTester_h
+#define mozilla_layers_APZCTreeManagerTester_h
+
+/**
+ * Defines a test fixture used for testing multiple APZCs interacting in
+ * an APZCTreeManager.
+ */
+
+#include "APZTestCommon.h"
+#include "gfxPlatform.h"
+
+class APZCTreeManagerTester : public APZCTesterBase {
+protected:
+ virtual void SetUp() {
+ gfxPrefs::GetSingleton();
+ gfxPlatform::GetPlatform();
+ APZThreadUtils::SetThreadAssertionsEnabled(false);
+ APZThreadUtils::SetControllerThread(MessageLoop::current());
+
+ manager = new TestAPZCTreeManager(mcc);
+ }
+
+ virtual void TearDown() {
+ while (mcc->RunThroughDelayedTasks());
+ manager->ClearTree();
+ manager->ClearContentController();
+ }
+
+ /**
+ * Sample animations once for all APZCs, 1 ms later than the last sample.
+ */
+ void SampleAnimationsOnce() {
+ const TimeDuration increment = TimeDuration::FromMilliseconds(1);
+ ParentLayerPoint pointOut;
+ AsyncTransform viewTransformOut;
+ mcc->AdvanceBy(increment);
+
+ for (const RefPtr<Layer>& layer : layers) {
+ if (TestAsyncPanZoomController* apzc = ApzcOf(layer)) {
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+ }
+ }
+ }
+
+ nsTArray<RefPtr<Layer> > layers;
+ RefPtr<LayerManager> lm;
+ RefPtr<Layer> root;
+
+ RefPtr<TestAPZCTreeManager> manager;
+
+protected:
+ static ScrollMetadata BuildScrollMetadata(FrameMetrics::ViewID aScrollId,
+ const CSSRect& aScrollableRect,
+ const ParentLayerRect& aCompositionBounds)
+ {
+ ScrollMetadata metadata;
+ FrameMetrics& metrics = metadata.GetMetrics();
+ metrics.SetScrollId(aScrollId);
+ // By convention in this test file, START_SCROLL_ID is the root, so mark it as such.
+ if (aScrollId == FrameMetrics::START_SCROLL_ID) {
+ metadata.SetIsLayersIdRoot(true);
+ }
+ metrics.SetCompositionBounds(aCompositionBounds);
+ metrics.SetScrollableRect(aScrollableRect);
+ metrics.SetScrollOffset(CSSPoint(0, 0));
+ metadata.SetPageScrollAmount(LayoutDeviceIntSize(50, 100));
+ metadata.SetLineScrollAmount(LayoutDeviceIntSize(5, 10));
+ metadata.SetAllowVerticalScrollWithWheel(true);
+ return metadata;
+ }
+
+ static void SetEventRegionsBasedOnBottommostMetrics(Layer* aLayer)
+ {
+ const FrameMetrics& metrics = aLayer->GetScrollMetadata(0).GetMetrics();
+ CSSRect scrollableRect = metrics.GetScrollableRect();
+ if (!scrollableRect.IsEqualEdges(CSSRect(-1, -1, -1, -1))) {
+ // The purpose of this is to roughly mimic what layout would do in the
+ // case of a scrollable frame with the event regions and clip. This lets
+ // us exercise the hit-testing code in APZCTreeManager
+ EventRegions er = aLayer->GetEventRegions();
+ IntRect scrollRect = RoundedToInt(
+ scrollableRect * metrics.LayersPixelsPerCSSPixel()).ToUnknownRect();
+ er.mHitRegion = nsIntRegion(IntRect(
+ RoundedToInt(metrics.GetCompositionBounds().TopLeft().ToUnknownPoint()),
+ scrollRect.Size()));
+ aLayer->SetEventRegions(er);
+ }
+ }
+
+ static void SetScrollableFrameMetrics(Layer* aLayer, FrameMetrics::ViewID aScrollId,
+ CSSRect aScrollableRect = CSSRect(-1, -1, -1, -1)) {
+ ParentLayerIntRect compositionBounds = ViewAs<ParentLayerPixel>(
+ aLayer->GetVisibleRegion().ToUnknownRegion().GetBounds());
+ ScrollMetadata metadata = BuildScrollMetadata(aScrollId, aScrollableRect,
+ ParentLayerRect(compositionBounds));
+ aLayer->SetScrollMetadata(metadata);
+ aLayer->SetClipRect(Some(compositionBounds));
+ SetEventRegionsBasedOnBottommostMetrics(aLayer);
+ }
+
+ void SetScrollHandoff(Layer* aChild, Layer* aParent) {
+ ScrollMetadata metadata = aChild->GetScrollMetadata(0);
+ metadata.SetScrollParentId(aParent->GetFrameMetrics(0).GetScrollId());
+ aChild->SetScrollMetadata(metadata);
+ }
+
+ static TestAsyncPanZoomController* ApzcOf(Layer* aLayer) {
+ EXPECT_EQ(1u, aLayer->GetScrollMetadataCount());
+ return (TestAsyncPanZoomController*)aLayer->GetAsyncPanZoomController(0);
+ }
+
+ static TestAsyncPanZoomController* ApzcOf(Layer* aLayer, uint32_t aIndex) {
+ EXPECT_LT(aIndex, aLayer->GetScrollMetadataCount());
+ return (TestAsyncPanZoomController*)aLayer->GetAsyncPanZoomController(aIndex);
+ }
+
+ void CreateSimpleScrollingLayer() {
+ const char* layerTreeSyntax = "t";
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0,0,200,200)),
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, nullptr, lm, layers);
+ SetScrollableFrameMetrics(root, FrameMetrics::START_SCROLL_ID, CSSRect(0, 0, 500, 500));
+ }
+
+ void CreateSimpleDTCScrollingLayer() {
+ const char* layerTreeSyntax = "t";
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0,0,200,200)),
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, nullptr, lm, layers);
+ SetScrollableFrameMetrics(root, FrameMetrics::START_SCROLL_ID, CSSRect(0, 0, 500, 500));
+
+ EventRegions regions;
+ regions.mHitRegion = nsIntRegion(IntRect(0, 0, 200, 200));
+ regions.mDispatchToContentHitRegion = regions.mHitRegion;
+ layers[0]->SetEventRegions(regions);
+ }
+
+ void CreateSimpleMultiLayerTree() {
+ const char* layerTreeSyntax = "c(tt)";
+ // LayerID 0 12
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0,0,100,100)),
+ nsIntRegion(IntRect(0,0,100,50)),
+ nsIntRegion(IntRect(0,50,100,50)),
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, nullptr, lm, layers);
+ }
+
+ void CreatePotentiallyLeakingTree() {
+ const char* layerTreeSyntax = "c(c(c(t))c(c(t)))";
+ // LayerID 0 1 2 3 4 5 6
+ root = CreateLayerTree(layerTreeSyntax, nullptr, nullptr, lm, layers);
+ SetScrollableFrameMetrics(layers[0], FrameMetrics::START_SCROLL_ID);
+ SetScrollableFrameMetrics(layers[2], FrameMetrics::START_SCROLL_ID + 1);
+ SetScrollableFrameMetrics(layers[5], FrameMetrics::START_SCROLL_ID + 1);
+ SetScrollableFrameMetrics(layers[3], FrameMetrics::START_SCROLL_ID + 2);
+ SetScrollableFrameMetrics(layers[6], FrameMetrics::START_SCROLL_ID + 3);
+ }
+
+ void CreateBug1194876Tree() {
+ const char* layerTreeSyntax = "c(t)";
+ // LayerID 0 1
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0,0,100,100)),
+ nsIntRegion(IntRect(0,0,100,100)),
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, nullptr, lm, layers);
+ SetScrollableFrameMetrics(layers[0], FrameMetrics::START_SCROLL_ID);
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID + 1);
+ SetScrollHandoff(layers[1], layers[0]);
+
+ // Make layers[1] the root content
+ ScrollMetadata childMetadata = layers[1]->GetScrollMetadata(0);
+ childMetadata.GetMetrics().SetIsRootContent(true);
+ layers[1]->SetScrollMetadata(childMetadata);
+
+ // Both layers are fully dispatch-to-content
+ EventRegions regions;
+ regions.mHitRegion = nsIntRegion(IntRect(0, 0, 100, 100));
+ regions.mDispatchToContentHitRegion = regions.mHitRegion;
+ layers[0]->SetEventRegions(regions);
+ layers[1]->SetEventRegions(regions);
+ }
+};
+
+#endif // mozilla_layers_APZCTreeManagerTester_h
diff --git a/gfx/layers/apz/test/gtest/APZTestCommon.h b/gfx/layers/apz/test/gtest/APZTestCommon.h
new file mode 100644
index 000000000..6e259ab60
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/APZTestCommon.h
@@ -0,0 +1,609 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_layers_APZTestCommon_h
+#define mozilla_layers_APZTestCommon_h
+
+/**
+ * Defines a set of mock classes and utility functions/classes for
+ * writing APZ gtests.
+ */
+
+#include "gtest/gtest.h"
+#include "gmock/gmock.h"
+
+#include "mozilla/Attributes.h"
+#include "mozilla/layers/AsyncCompositionManager.h" // for ViewTransform
+#include "mozilla/layers/GeckoContentController.h"
+#include "mozilla/layers/CompositorBridgeParent.h"
+#include "mozilla/layers/APZCTreeManager.h"
+#include "mozilla/layers/LayerMetricsWrapper.h"
+#include "mozilla/layers/APZThreadUtils.h"
+#include "mozilla/UniquePtr.h"
+#include "apz/src/AsyncPanZoomController.h"
+#include "apz/src/HitTestingTreeNode.h"
+#include "base/task.h"
+#include "Layers.h"
+#include "TestLayers.h"
+#include "UnitTransforms.h"
+#include "gfxPrefs.h"
+
+using namespace mozilla;
+using namespace mozilla::gfx;
+using namespace mozilla::layers;
+using ::testing::_;
+using ::testing::NiceMock;
+using ::testing::AtLeast;
+using ::testing::AtMost;
+using ::testing::MockFunction;
+using ::testing::InSequence;
+typedef mozilla::layers::GeckoContentController::TapType TapType;
+
+template<class T>
+class ScopedGfxPref {
+public:
+ ScopedGfxPref(T (*aGetPrefFunc)(void), void (*aSetPrefFunc)(T), T aVal)
+ : mSetPrefFunc(aSetPrefFunc)
+ {
+ mOldVal = aGetPrefFunc();
+ aSetPrefFunc(aVal);
+ }
+
+ ~ScopedGfxPref() {
+ mSetPrefFunc(mOldVal);
+ }
+
+private:
+ void (*mSetPrefFunc)(T);
+ T mOldVal;
+};
+
+#define SCOPED_GFX_PREF(prefBase, prefType, prefValue) \
+ ScopedGfxPref<prefType> pref_##prefBase( \
+ &(gfxPrefs::prefBase), \
+ &(gfxPrefs::Set##prefBase), \
+ prefValue)
+
+static TimeStamp GetStartupTime() {
+ static TimeStamp sStartupTime = TimeStamp::Now();
+ return sStartupTime;
+}
+
+class MockContentController : public GeckoContentController {
+public:
+ MOCK_METHOD1(RequestContentRepaint, void(const FrameMetrics&));
+ MOCK_METHOD2(RequestFlingSnap, void(const FrameMetrics::ViewID& aScrollId, const mozilla::CSSPoint& aDestination));
+ MOCK_METHOD2(AcknowledgeScrollUpdate, void(const FrameMetrics::ViewID&, const uint32_t& aScrollGeneration));
+ MOCK_METHOD5(HandleTap, void(TapType, const LayoutDevicePoint&, Modifiers, const ScrollableLayerGuid&, uint64_t));
+ MOCK_METHOD4(NotifyPinchGesture, void(PinchGestureInput::PinchGestureType, const ScrollableLayerGuid&, LayoutDeviceCoord, Modifiers));
+ // Can't use the macros with already_AddRefed :(
+ void PostDelayedTask(already_AddRefed<Runnable> aTask, int aDelayMs) {
+ RefPtr<Runnable> task = aTask;
+ }
+ bool IsRepaintThread() {
+ return NS_IsMainThread();
+ }
+ void DispatchToRepaintThread(already_AddRefed<Runnable> aTask) {
+ NS_DispatchToMainThread(Move(aTask));
+ }
+ MOCK_METHOD3(NotifyAPZStateChange, void(const ScrollableLayerGuid& aGuid, APZStateChange aChange, int aArg));
+ MOCK_METHOD0(NotifyFlushComplete, void());
+};
+
+class MockContentControllerDelayed : public MockContentController {
+public:
+ MockContentControllerDelayed()
+ : mTime(GetStartupTime())
+ {
+ }
+
+ const TimeStamp& Time() {
+ return mTime;
+ }
+
+ void AdvanceByMillis(int aMillis) {
+ AdvanceBy(TimeDuration::FromMilliseconds(aMillis));
+ }
+
+ void AdvanceBy(const TimeDuration& aIncrement) {
+ TimeStamp target = mTime + aIncrement;
+ while (mTaskQueue.Length() > 0 && mTaskQueue[0].second <= target) {
+ RunNextDelayedTask();
+ }
+ mTime = target;
+ }
+
+ void PostDelayedTask(already_AddRefed<Runnable> aTask, int aDelayMs) {
+ RefPtr<Runnable> task = aTask;
+ TimeStamp runAtTime = mTime + TimeDuration::FromMilliseconds(aDelayMs);
+ int insIndex = mTaskQueue.Length();
+ while (insIndex > 0) {
+ if (mTaskQueue[insIndex - 1].second <= runAtTime) {
+ break;
+ }
+ insIndex--;
+ }
+ mTaskQueue.InsertElementAt(insIndex, std::make_pair(task, runAtTime));
+ }
+
+ // Run all the tasks in the queue, returning the number of tasks
+ // run. Note that if a task queues another task while running, that
+ // new task will not be run. Therefore, there may be still be tasks
+ // in the queue after this function is called. Only when the return
+ // value is 0 is the queue guaranteed to be empty.
+ int RunThroughDelayedTasks() {
+ nsTArray<std::pair<RefPtr<Runnable>, TimeStamp>> runQueue;
+ runQueue.SwapElements(mTaskQueue);
+ int numTasks = runQueue.Length();
+ for (int i = 0; i < numTasks; i++) {
+ mTime = runQueue[i].second;
+ runQueue[i].first->Run();
+
+ // Deleting the task is important in order to release the reference to
+ // the callee object.
+ runQueue[i].first = nullptr;
+ }
+ return numTasks;
+ }
+
+private:
+ void RunNextDelayedTask() {
+ std::pair<RefPtr<Runnable>, TimeStamp> next = mTaskQueue[0];
+ mTaskQueue.RemoveElementAt(0);
+ mTime = next.second;
+ next.first->Run();
+ // Deleting the task is important in order to release the reference to
+ // the callee object.
+ next.first = nullptr;
+ }
+
+ // The following array is sorted by timestamp (tasks are inserted in order by
+ // timestamp).
+ nsTArray<std::pair<RefPtr<Runnable>, TimeStamp>> mTaskQueue;
+ TimeStamp mTime;
+};
+
+class TestAPZCTreeManager : public APZCTreeManager {
+public:
+ explicit TestAPZCTreeManager(MockContentControllerDelayed* aMcc) : mcc(aMcc) {}
+
+ RefPtr<InputQueue> GetInputQueue() const {
+ return mInputQueue;
+ }
+
+ void ClearContentController() {
+ mcc = nullptr;
+ }
+
+protected:
+ AsyncPanZoomController* NewAPZCInstance(uint64_t aLayersId,
+ GeckoContentController* aController) override;
+
+ TimeStamp GetFrameTime() override {
+ return mcc->Time();
+ }
+
+private:
+ RefPtr<MockContentControllerDelayed> mcc;
+};
+
+class TestAsyncPanZoomController : public AsyncPanZoomController {
+public:
+ TestAsyncPanZoomController(uint64_t aLayersId, MockContentControllerDelayed* aMcc,
+ TestAPZCTreeManager* aTreeManager,
+ GestureBehavior aBehavior = DEFAULT_GESTURES)
+ : AsyncPanZoomController(aLayersId, aTreeManager, aTreeManager->GetInputQueue(),
+ aMcc, aBehavior)
+ , mWaitForMainThread(false)
+ , mcc(aMcc)
+ {}
+
+ nsEventStatus ReceiveInputEvent(const InputData& aEvent, ScrollableLayerGuid* aDummy, uint64_t* aOutInputBlockId) {
+ // This is a function whose signature matches exactly the ReceiveInputEvent
+ // on APZCTreeManager. This allows us to templates for functions like
+ // TouchDown, TouchUp, etc so that we can reuse the code for dispatching
+ // events into both APZC and APZCTM.
+ return ReceiveInputEvent(aEvent, aOutInputBlockId);
+ }
+
+ nsEventStatus ReceiveInputEvent(const InputData& aEvent, uint64_t* aOutInputBlockId) {
+ return GetInputQueue()->ReceiveInputEvent(this, !mWaitForMainThread, aEvent, aOutInputBlockId);
+ }
+
+ void ContentReceivedInputBlock(uint64_t aInputBlockId, bool aPreventDefault) {
+ GetInputQueue()->ContentReceivedInputBlock(aInputBlockId, aPreventDefault);
+ }
+
+ void ConfirmTarget(uint64_t aInputBlockId) {
+ RefPtr<AsyncPanZoomController> target = this;
+ GetInputQueue()->SetConfirmedTargetApzc(aInputBlockId, target);
+ }
+
+ void SetAllowedTouchBehavior(uint64_t aInputBlockId, const nsTArray<TouchBehaviorFlags>& aBehaviors) {
+ GetInputQueue()->SetAllowedTouchBehavior(aInputBlockId, aBehaviors);
+ }
+
+ void SetFrameMetrics(const FrameMetrics& metrics) {
+ ReentrantMonitorAutoEnter lock(mMonitor);
+ mFrameMetrics = metrics;
+ }
+
+ FrameMetrics& GetFrameMetrics() {
+ ReentrantMonitorAutoEnter lock(mMonitor);
+ return mFrameMetrics;
+ }
+
+ ScrollMetadata& GetScrollMetadata() {
+ ReentrantMonitorAutoEnter lock(mMonitor);
+ return mScrollMetadata;
+ }
+
+ const FrameMetrics& GetFrameMetrics() const {
+ ReentrantMonitorAutoEnter lock(mMonitor);
+ return mFrameMetrics;
+ }
+
+ using AsyncPanZoomController::GetVelocityVector;
+
+ void AssertStateIsReset() const {
+ ReentrantMonitorAutoEnter lock(mMonitor);
+ EXPECT_EQ(NOTHING, mState);
+ }
+
+ void AssertStateIsFling() const {
+ ReentrantMonitorAutoEnter lock(mMonitor);
+ EXPECT_EQ(FLING, mState);
+ }
+
+ void AdvanceAnimationsUntilEnd(const TimeDuration& aIncrement = TimeDuration::FromMilliseconds(10)) {
+ while (AdvanceAnimations(mcc->Time())) {
+ mcc->AdvanceBy(aIncrement);
+ }
+ }
+
+ bool SampleContentTransformForFrame(AsyncTransform* aOutTransform,
+ ParentLayerPoint& aScrollOffset,
+ const TimeDuration& aIncrement = TimeDuration::FromMilliseconds(0)) {
+ mcc->AdvanceBy(aIncrement);
+ bool ret = AdvanceAnimations(mcc->Time());
+ if (aOutTransform) {
+ *aOutTransform = GetCurrentAsyncTransform(AsyncPanZoomController::NORMAL);
+ }
+ aScrollOffset = GetCurrentAsyncScrollOffset(AsyncPanZoomController::NORMAL);
+ return ret;
+ }
+
+ void SetWaitForMainThread() {
+ mWaitForMainThread = true;
+ }
+
+private:
+ bool mWaitForMainThread;
+ MockContentControllerDelayed* mcc;
+};
+
+class APZCTesterBase : public ::testing::Test {
+public:
+ APZCTesterBase() {
+ mcc = new NiceMock<MockContentControllerDelayed>();
+ }
+
+ template<class InputReceiver>
+ void Tap(const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aPoint,
+ TimeDuration aTapLength,
+ nsEventStatus (*aOutEventStatuses)[2] = nullptr,
+ uint64_t* aOutInputBlockId = nullptr);
+
+ template<class InputReceiver>
+ void TapAndCheckStatus(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint, TimeDuration aTapLength);
+
+ template<class InputReceiver>
+ void Pan(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aTouchStart,
+ const ScreenIntPoint& aTouchEnd,
+ bool aKeepFingerDown = false,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors = nullptr,
+ nsEventStatus (*aOutEventStatuses)[4] = nullptr,
+ uint64_t* aOutInputBlockId = nullptr);
+
+ /*
+ * A version of Pan() that only takes y coordinates rather than (x, y) points
+ * for the touch start and end points, and uses 10 for the x coordinates.
+ * This is for convenience, as most tests only need to pan in one direction.
+ */
+ template<class InputReceiver>
+ void Pan(const RefPtr<InputReceiver>& aTarget, int aTouchStartY,
+ int aTouchEndY, bool aKeepFingerDown = false,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors = nullptr,
+ nsEventStatus (*aOutEventStatuses)[4] = nullptr,
+ uint64_t* aOutInputBlockId = nullptr);
+
+ /*
+ * Dispatches mock touch events to the apzc and checks whether apzc properly
+ * consumed them and triggered scrolling behavior.
+ */
+ template<class InputReceiver>
+ void PanAndCheckStatus(const RefPtr<InputReceiver>& aTarget, int aTouchStartY,
+ int aTouchEndY,
+ bool aExpectConsumed,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors,
+ uint64_t* aOutInputBlockId = nullptr);
+
+ void ApzcPanNoFling(const RefPtr<TestAsyncPanZoomController>& aApzc,
+ int aTouchStartY,
+ int aTouchEndY,
+ uint64_t* aOutInputBlockId = nullptr);
+
+ template<class InputReceiver>
+ void DoubleTap(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint,
+ nsEventStatus (*aOutEventStatuses)[4] = nullptr,
+ uint64_t (*aOutInputBlockIds)[2] = nullptr);
+
+ template<class InputReceiver>
+ void DoubleTapAndCheckStatus(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint,
+ uint64_t (*aOutInputBlockIds)[2] = nullptr);
+
+protected:
+ RefPtr<MockContentControllerDelayed> mcc;
+};
+
+template<class InputReceiver>
+void
+APZCTesterBase::Tap(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint, TimeDuration aTapLength,
+ nsEventStatus (*aOutEventStatuses)[2],
+ uint64_t* aOutInputBlockId)
+{
+ // Even if the caller doesn't care about the block id, we need it to set the
+ // allowed touch behaviour below, so make sure aOutInputBlockId is non-null.
+ uint64_t blockId;
+ if (!aOutInputBlockId) {
+ aOutInputBlockId = &blockId;
+ }
+
+ nsEventStatus status = TouchDown(aTarget, aPoint, mcc->Time(), aOutInputBlockId);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[0] = status;
+ }
+ mcc->AdvanceBy(aTapLength);
+
+ // If touch-action is enabled then simulate the allowed touch behaviour
+ // notification that the main thread is supposed to deliver.
+ if (gfxPrefs::TouchActionEnabled() && status != nsEventStatus_eConsumeNoDefault) {
+ SetDefaultAllowedTouchBehavior(aTarget, *aOutInputBlockId);
+ }
+
+ status = TouchUp(aTarget, aPoint, mcc->Time());
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[1] = status;
+ }
+}
+
+template<class InputReceiver>
+void
+APZCTesterBase::TapAndCheckStatus(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint,
+ TimeDuration aTapLength)
+{
+ nsEventStatus statuses[2];
+ Tap(aTarget, aPoint, aTapLength, &statuses);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[0]);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[1]);
+}
+
+template<class InputReceiver>
+void
+APZCTesterBase::Pan(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aTouchStart,
+ const ScreenIntPoint& aTouchEnd,
+ bool aKeepFingerDown,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors,
+ nsEventStatus (*aOutEventStatuses)[4],
+ uint64_t* aOutInputBlockId)
+{
+ // Reduce the touch start and move tolerance to a tiny value.
+ // We can't use a scoped pref because this value might be read at some later
+ // time when the events are actually processed, rather than when we deliver
+ // them.
+ gfxPrefs::SetAPZTouchStartTolerance(1.0f / 1000.0f);
+ gfxPrefs::SetAPZTouchMoveTolerance(0.0f);
+ const int OVERCOME_TOUCH_TOLERANCE = 1;
+
+ const TimeDuration TIME_BETWEEN_TOUCH_EVENT = TimeDuration::FromMilliseconds(50);
+
+ // Even if the caller doesn't care about the block id, we need it to set the
+ // allowed touch behaviour below, so make sure aOutInputBlockId is non-null.
+ uint64_t blockId;
+ if (!aOutInputBlockId) {
+ aOutInputBlockId = &blockId;
+ }
+
+ // Make sure the move is large enough to not be handled as a tap
+ nsEventStatus status = TouchDown(aTarget,
+ ScreenIntPoint(aTouchStart.x, aTouchStart.y + OVERCOME_TOUCH_TOLERANCE),
+ mcc->Time(), aOutInputBlockId);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[0] = status;
+ }
+
+ mcc->AdvanceBy(TIME_BETWEEN_TOUCH_EVENT);
+
+ // Allowed touch behaviours must be set after sending touch-start.
+ if (status != nsEventStatus_eConsumeNoDefault) {
+ if (aAllowedTouchBehaviors) {
+ EXPECT_EQ(1UL, aAllowedTouchBehaviors->Length());
+ aTarget->SetAllowedTouchBehavior(*aOutInputBlockId, *aAllowedTouchBehaviors);
+ } else if (gfxPrefs::TouchActionEnabled()) {
+ SetDefaultAllowedTouchBehavior(aTarget, *aOutInputBlockId);
+ }
+ }
+
+ status = TouchMove(aTarget, aTouchStart, mcc->Time());
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[1] = status;
+ }
+
+ mcc->AdvanceBy(TIME_BETWEEN_TOUCH_EVENT);
+
+ status = TouchMove(aTarget, aTouchEnd, mcc->Time());
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[2] = status;
+ }
+
+ mcc->AdvanceBy(TIME_BETWEEN_TOUCH_EVENT);
+
+ if (!aKeepFingerDown) {
+ status = TouchUp(aTarget, aTouchEnd, mcc->Time());
+ } else {
+ status = nsEventStatus_eIgnore;
+ }
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[3] = status;
+ }
+
+ // Don't increment the time here. Animations started on touch-up, such as
+ // flings, are affected by elapsed time, and we want to be able to sample
+ // them immediately after they start, without time having elapsed.
+}
+
+template<class InputReceiver>
+void
+APZCTesterBase::Pan(const RefPtr<InputReceiver>& aTarget,
+ int aTouchStartY, int aTouchEndY, bool aKeepFingerDown,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors,
+ nsEventStatus (*aOutEventStatuses)[4],
+ uint64_t* aOutInputBlockId)
+{
+ Pan(aTarget, ScreenIntPoint(10, aTouchStartY), ScreenIntPoint(10, aTouchEndY),
+ aKeepFingerDown, aAllowedTouchBehaviors, aOutEventStatuses, aOutInputBlockId);
+}
+
+template<class InputReceiver>
+void
+APZCTesterBase::PanAndCheckStatus(const RefPtr<InputReceiver>& aTarget,
+ int aTouchStartY,
+ int aTouchEndY,
+ bool aExpectConsumed,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors,
+ uint64_t* aOutInputBlockId)
+{
+ nsEventStatus statuses[4]; // down, move, move, up
+ Pan(aTarget, aTouchStartY, aTouchEndY, false, aAllowedTouchBehaviors, &statuses, aOutInputBlockId);
+
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[0]);
+
+ nsEventStatus touchMoveStatus;
+ if (aExpectConsumed) {
+ touchMoveStatus = nsEventStatus_eConsumeDoDefault;
+ } else {
+ touchMoveStatus = nsEventStatus_eIgnore;
+ }
+ EXPECT_EQ(touchMoveStatus, statuses[1]);
+ EXPECT_EQ(touchMoveStatus, statuses[2]);
+}
+
+void
+APZCTesterBase::ApzcPanNoFling(const RefPtr<TestAsyncPanZoomController>& aApzc,
+ int aTouchStartY, int aTouchEndY,
+ uint64_t* aOutInputBlockId)
+{
+ Pan(aApzc, aTouchStartY, aTouchEndY, false, nullptr, nullptr, aOutInputBlockId);
+ aApzc->CancelAnimation();
+}
+
+template<class InputReceiver>
+void
+APZCTesterBase::DoubleTap(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint,
+ nsEventStatus (*aOutEventStatuses)[4],
+ uint64_t (*aOutInputBlockIds)[2])
+{
+ uint64_t blockId;
+ nsEventStatus status = TouchDown(aTarget, aPoint, mcc->Time(), &blockId);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[0] = status;
+ }
+ if (aOutInputBlockIds) {
+ (*aOutInputBlockIds)[0] = blockId;
+ }
+ mcc->AdvanceByMillis(10);
+
+ // If touch-action is enabled then simulate the allowed touch behaviour
+ // notification that the main thread is supposed to deliver.
+ if (gfxPrefs::TouchActionEnabled() && status != nsEventStatus_eConsumeNoDefault) {
+ SetDefaultAllowedTouchBehavior(aTarget, blockId);
+ }
+
+ status = TouchUp(aTarget, aPoint, mcc->Time());
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[1] = status;
+ }
+ mcc->AdvanceByMillis(10);
+ status = TouchDown(aTarget, aPoint, mcc->Time(), &blockId);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[2] = status;
+ }
+ if (aOutInputBlockIds) {
+ (*aOutInputBlockIds)[1] = blockId;
+ }
+ mcc->AdvanceByMillis(10);
+
+ if (gfxPrefs::TouchActionEnabled() && status != nsEventStatus_eConsumeNoDefault) {
+ SetDefaultAllowedTouchBehavior(aTarget, blockId);
+ }
+
+ status = TouchUp(aTarget, aPoint, mcc->Time());
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[3] = status;
+ }
+}
+
+template<class InputReceiver>
+void
+APZCTesterBase::DoubleTapAndCheckStatus(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aPoint,
+ uint64_t (*aOutInputBlockIds)[2])
+{
+ nsEventStatus statuses[4];
+ DoubleTap(aTarget, aPoint, &statuses, aOutInputBlockIds);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[0]);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[1]);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[2]);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[3]);
+}
+
+AsyncPanZoomController*
+TestAPZCTreeManager::NewAPZCInstance(uint64_t aLayersId,
+ GeckoContentController* aController)
+{
+ MockContentControllerDelayed* mcc = static_cast<MockContentControllerDelayed*>(aController);
+ return new TestAsyncPanZoomController(aLayersId, mcc, this,
+ AsyncPanZoomController::USE_GESTURE_DETECTOR);
+}
+
+FrameMetrics
+TestFrameMetrics()
+{
+ FrameMetrics fm;
+
+ fm.SetDisplayPort(CSSRect(0, 0, 10, 10));
+ fm.SetCompositionBounds(ParentLayerRect(0, 0, 10, 10));
+ fm.SetCriticalDisplayPort(CSSRect(0, 0, 10, 10));
+ fm.SetScrollableRect(CSSRect(0, 0, 100, 100));
+
+ return fm;
+}
+
+uint32_t
+MillisecondsSinceStartup(TimeStamp aTime)
+{
+ return (aTime - GetStartupTime()).ToMilliseconds();
+}
+
+#endif // mozilla_layers_APZTestCommon_h
diff --git a/gfx/layers/apz/test/gtest/InputUtils.h b/gfx/layers/apz/test/gtest/InputUtils.h
new file mode 100644
index 000000000..a1bd2851e
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/InputUtils.h
@@ -0,0 +1,297 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_layers_InputUtils_h
+#define mozilla_layers_InputUtils_h
+
+/**
+ * Defines a set of utility functions for generating input events
+ * to an APZC/APZCTM during APZ gtests.
+ */
+
+#include "APZTestCommon.h"
+
+/* The InputReceiver template parameter used in the helper functions below needs
+ * to be a class that implements functions with the signatures:
+ * nsEventStatus ReceiveInputEvent(const InputData& aEvent,
+ * ScrollableLayerGuid* aGuid,
+ * uint64_t* aOutInputBlockId);
+ * void SetAllowedTouchBehavior(uint64_t aInputBlockId,
+ * const nsTArray<uint32_t>& aBehaviours);
+ * The classes that currently implement these are APZCTreeManager and
+ * TestAsyncPanZoomController. Using this template allows us to test individual
+ * APZC instances in isolation and also an entire APZ tree, while using the same
+ * code to dispatch input events.
+ */
+
+// Some helper functions for constructing input event objects suitable to be
+// passed either to an APZC (which expects an transformed point), or to an APZTM
+// (which expects an untransformed point). We handle both cases by setting both
+// the transformed and untransformed fields to the same value.
+SingleTouchData
+CreateSingleTouchData(int32_t aIdentifier, const ScreenIntPoint& aPoint)
+{
+ SingleTouchData touch(aIdentifier, aPoint, ScreenSize(0, 0), 0, 0);
+ touch.mLocalScreenPoint = ParentLayerPoint(aPoint.x, aPoint.y);
+ return touch;
+}
+
+// Convenience wrapper for CreateSingleTouchData() that takes loose coordinates.
+SingleTouchData
+CreateSingleTouchData(int32_t aIdentifier, ScreenIntCoord aX, ScreenIntCoord aY)
+{
+ return CreateSingleTouchData(aIdentifier, ScreenIntPoint(aX, aY));
+}
+
+PinchGestureInput
+CreatePinchGestureInput(PinchGestureInput::PinchGestureType aType,
+ const ScreenIntPoint& aFocus,
+ float aCurrentSpan, float aPreviousSpan)
+{
+ ParentLayerPoint localFocus(aFocus.x, aFocus.y);
+ PinchGestureInput result(aType, 0, TimeStamp(), localFocus,
+ aCurrentSpan, aPreviousSpan, 0);
+ result.mFocusPoint = aFocus;
+ return result;
+}
+
+template<class InputReceiver>
+void
+SetDefaultAllowedTouchBehavior(const RefPtr<InputReceiver>& aTarget,
+ uint64_t aInputBlockId,
+ int touchPoints = 1)
+{
+ nsTArray<uint32_t> defaultBehaviors;
+ // use the default value where everything is allowed
+ for (int i = 0; i < touchPoints; i++) {
+ defaultBehaviors.AppendElement(mozilla::layers::AllowedTouchBehavior::HORIZONTAL_PAN
+ | mozilla::layers::AllowedTouchBehavior::VERTICAL_PAN
+ | mozilla::layers::AllowedTouchBehavior::PINCH_ZOOM
+ | mozilla::layers::AllowedTouchBehavior::DOUBLE_TAP_ZOOM);
+ }
+ aTarget->SetAllowedTouchBehavior(aInputBlockId, defaultBehaviors);
+}
+
+
+MultiTouchInput
+CreateMultiTouchInput(MultiTouchInput::MultiTouchType aType, TimeStamp aTime)
+{
+ return MultiTouchInput(aType, MillisecondsSinceStartup(aTime), aTime, 0);
+}
+
+template<class InputReceiver>
+nsEventStatus
+TouchDown(const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aPoint,
+ TimeStamp aTime, uint64_t* aOutInputBlockId = nullptr)
+{
+ MultiTouchInput mti = CreateMultiTouchInput(MultiTouchInput::MULTITOUCH_START, aTime);
+ mti.mTouches.AppendElement(CreateSingleTouchData(0, aPoint));
+ return aTarget->ReceiveInputEvent(mti, nullptr, aOutInputBlockId);
+}
+
+template<class InputReceiver>
+nsEventStatus
+TouchMove(const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aPoint,
+ TimeStamp aTime)
+{
+ MultiTouchInput mti = CreateMultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, aTime);
+ mti.mTouches.AppendElement(CreateSingleTouchData(0, aPoint));
+ return aTarget->ReceiveInputEvent(mti, nullptr, nullptr);
+}
+
+template<class InputReceiver>
+nsEventStatus
+TouchUp(const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aPoint,
+ TimeStamp aTime)
+{
+ MultiTouchInput mti = CreateMultiTouchInput(MultiTouchInput::MULTITOUCH_END, aTime);
+ mti.mTouches.AppendElement(CreateSingleTouchData(0, aPoint));
+ return aTarget->ReceiveInputEvent(mti, nullptr, nullptr);
+}
+
+template<class InputReceiver>
+void
+PinchWithPinchInput(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aFocus,
+ const ScreenIntPoint& aSecondFocus, float aScale,
+ nsEventStatus (*aOutEventStatuses)[3] = nullptr)
+{
+ nsEventStatus actualStatus = aTarget->ReceiveInputEvent(
+ CreatePinchGestureInput(PinchGestureInput::PINCHGESTURE_START,
+ aFocus, 10.0, 10.0),
+ nullptr);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[0] = actualStatus;
+ }
+ actualStatus = aTarget->ReceiveInputEvent(
+ CreatePinchGestureInput(PinchGestureInput::PINCHGESTURE_SCALE,
+ aSecondFocus, 10.0 * aScale, 10.0),
+ nullptr);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[1] = actualStatus;
+ }
+ actualStatus = aTarget->ReceiveInputEvent(
+ CreatePinchGestureInput(PinchGestureInput::PINCHGESTURE_END,
+ // note: negative values here tell APZC
+ // not to turn the pinch into a pan
+ aFocus, -1.0, -1.0),
+ nullptr);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[2] = actualStatus;
+ }
+}
+
+template<class InputReceiver>
+void
+PinchWithPinchInputAndCheckStatus(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aFocus, float aScale,
+ bool aShouldTriggerPinch)
+{
+ nsEventStatus statuses[3]; // scalebegin, scale, scaleend
+ PinchWithPinchInput(aTarget, aFocus, aFocus, aScale, &statuses);
+
+ nsEventStatus expectedStatus = aShouldTriggerPinch
+ ? nsEventStatus_eConsumeNoDefault
+ : nsEventStatus_eIgnore;
+ EXPECT_EQ(expectedStatus, statuses[0]);
+ EXPECT_EQ(expectedStatus, statuses[1]);
+}
+
+template<class InputReceiver>
+void
+PinchWithTouchInput(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aFocus, float aScale,
+ int& inputId,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors = nullptr,
+ nsEventStatus (*aOutEventStatuses)[4] = nullptr,
+ uint64_t* aOutInputBlockId = nullptr)
+{
+ // Having pinch coordinates in float type may cause problems with high-precision scale values
+ // since SingleTouchData accepts integer value. But for trivial tests it should be ok.
+ float pinchLength = 100.0;
+ float pinchLengthScaled = pinchLength * aScale;
+
+ // Even if the caller doesn't care about the block id, we need it to set the
+ // allowed touch behaviour below, so make sure aOutInputBlockId is non-null.
+ uint64_t blockId;
+ if (!aOutInputBlockId) {
+ aOutInputBlockId = &blockId;
+ }
+
+ MultiTouchInput mtiStart = MultiTouchInput(MultiTouchInput::MULTITOUCH_START, 0, TimeStamp(), 0);
+ mtiStart.mTouches.AppendElement(CreateSingleTouchData(inputId, aFocus));
+ mtiStart.mTouches.AppendElement(CreateSingleTouchData(inputId + 1, aFocus));
+ nsEventStatus status = aTarget->ReceiveInputEvent(mtiStart, aOutInputBlockId);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[0] = status;
+ }
+
+ if (aAllowedTouchBehaviors) {
+ EXPECT_EQ(2UL, aAllowedTouchBehaviors->Length());
+ aTarget->SetAllowedTouchBehavior(*aOutInputBlockId, *aAllowedTouchBehaviors);
+ } else if (gfxPrefs::TouchActionEnabled()) {
+ SetDefaultAllowedTouchBehavior(aTarget, *aOutInputBlockId, 2);
+ }
+
+ MultiTouchInput mtiMove1 = MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, TimeStamp(), 0);
+ mtiMove1.mTouches.AppendElement(CreateSingleTouchData(inputId, aFocus.x - pinchLength, aFocus.y));
+ mtiMove1.mTouches.AppendElement(CreateSingleTouchData(inputId + 1, aFocus.x + pinchLength, aFocus.y));
+ status = aTarget->ReceiveInputEvent(mtiMove1, nullptr);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[1] = status;
+ }
+
+ MultiTouchInput mtiMove2 = MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, TimeStamp(), 0);
+ mtiMove2.mTouches.AppendElement(CreateSingleTouchData(inputId, aFocus.x - pinchLengthScaled, aFocus.y));
+ mtiMove2.mTouches.AppendElement(CreateSingleTouchData(inputId + 1, aFocus.x + pinchLengthScaled, aFocus.y));
+ status = aTarget->ReceiveInputEvent(mtiMove2, nullptr);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[2] = status;
+ }
+
+ MultiTouchInput mtiEnd = MultiTouchInput(MultiTouchInput::MULTITOUCH_END, 0, TimeStamp(), 0);
+ mtiEnd.mTouches.AppendElement(CreateSingleTouchData(inputId, aFocus.x - pinchLengthScaled, aFocus.y));
+ mtiEnd.mTouches.AppendElement(CreateSingleTouchData(inputId + 1, aFocus.x + pinchLengthScaled, aFocus.y));
+ status = aTarget->ReceiveInputEvent(mtiEnd, nullptr);
+ if (aOutEventStatuses) {
+ (*aOutEventStatuses)[3] = status;
+ }
+
+ inputId += 2;
+}
+
+template<class InputReceiver>
+void
+PinchWithTouchInputAndCheckStatus(const RefPtr<InputReceiver>& aTarget,
+ const ScreenIntPoint& aFocus, float aScale,
+ int& inputId, bool aShouldTriggerPinch,
+ nsTArray<uint32_t>* aAllowedTouchBehaviors)
+{
+ nsEventStatus statuses[4]; // down, move, move, up
+ PinchWithTouchInput(aTarget, aFocus, aScale, inputId, aAllowedTouchBehaviors, &statuses);
+
+ nsEventStatus expectedMoveStatus = aShouldTriggerPinch
+ ? nsEventStatus_eConsumeDoDefault
+ : nsEventStatus_eIgnore;
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, statuses[0]);
+ EXPECT_EQ(expectedMoveStatus, statuses[1]);
+ EXPECT_EQ(expectedMoveStatus, statuses[2]);
+}
+
+template<class InputReceiver>
+nsEventStatus
+Wheel(const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aPoint,
+ const ScreenPoint& aDelta, TimeStamp aTime, uint64_t* aOutInputBlockId = nullptr)
+{
+ ScrollWheelInput input(MillisecondsSinceStartup(aTime), aTime, 0,
+ ScrollWheelInput::SCROLLMODE_INSTANT, ScrollWheelInput::SCROLLDELTA_PIXEL,
+ aPoint, aDelta.x, aDelta.y, false);
+ return aTarget->ReceiveInputEvent(input, nullptr, aOutInputBlockId);
+}
+
+template<class InputReceiver>
+nsEventStatus
+SmoothWheel(const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aPoint,
+ const ScreenPoint& aDelta, TimeStamp aTime, uint64_t* aOutInputBlockId = nullptr)
+{
+ ScrollWheelInput input(MillisecondsSinceStartup(aTime), aTime, 0,
+ ScrollWheelInput::SCROLLMODE_SMOOTH, ScrollWheelInput::SCROLLDELTA_LINE,
+ aPoint, aDelta.x, aDelta.y, false);
+ return aTarget->ReceiveInputEvent(input, nullptr, aOutInputBlockId);
+}
+
+template<class InputReceiver>
+nsEventStatus
+MouseDown(const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aPoint,
+ TimeStamp aTime, uint64_t* aOutInputBlockId = nullptr)
+{
+ MouseInput input(MouseInput::MOUSE_DOWN, MouseInput::ButtonType::LEFT_BUTTON,
+ 0, 0, aPoint, MillisecondsSinceStartup(aTime), aTime, 0);
+ return aTarget->ReceiveInputEvent(input, nullptr, aOutInputBlockId);
+}
+
+template<class InputReceiver>
+nsEventStatus
+MouseMove(const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aPoint,
+ TimeStamp aTime, uint64_t* aOutInputBlockId = nullptr)
+{
+ MouseInput input(MouseInput::MOUSE_MOVE, MouseInput::ButtonType::LEFT_BUTTON,
+ 0, 0, aPoint, MillisecondsSinceStartup(aTime), aTime, 0);
+ return aTarget->ReceiveInputEvent(input, nullptr, aOutInputBlockId);
+}
+
+template<class InputReceiver>
+nsEventStatus
+MouseUp(const RefPtr<InputReceiver>& aTarget, const ScreenIntPoint& aPoint,
+ TimeStamp aTime, uint64_t* aOutInputBlockId = nullptr)
+{
+ MouseInput input(MouseInput::MOUSE_UP, MouseInput::ButtonType::LEFT_BUTTON,
+ 0, 0, aPoint, MillisecondsSinceStartup(aTime), aTime, 0);
+ return aTarget->ReceiveInputEvent(input, nullptr, aOutInputBlockId);
+}
+
+
+#endif // mozilla_layers_InputUtils_h
diff --git a/gfx/layers/apz/test/gtest/TestBasic.cpp b/gfx/layers/apz/test/gtest/TestBasic.cpp
new file mode 100644
index 000000000..921ea4080
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/TestBasic.cpp
@@ -0,0 +1,356 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "APZCBasicTester.h"
+#include "APZTestCommon.h"
+#include "InputUtils.h"
+
+TEST_F(APZCBasicTester, Overzoom) {
+ // the visible area of the document in CSS pixels is x=10 y=0 w=100 h=100
+ FrameMetrics fm;
+ fm.SetCompositionBounds(ParentLayerRect(0, 0, 100, 100));
+ fm.SetScrollableRect(CSSRect(0, 0, 125, 150));
+ fm.SetScrollOffset(CSSPoint(10, 0));
+ fm.SetZoom(CSSToParentLayerScale2D(1.0, 1.0));
+ fm.SetIsRootContent(true);
+ apzc->SetFrameMetrics(fm);
+
+ MakeApzcZoomable();
+
+ EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(1);
+
+ PinchWithPinchInputAndCheckStatus(apzc, ScreenIntPoint(50, 50), 0.5, true);
+
+ fm = apzc->GetFrameMetrics();
+ EXPECT_EQ(0.8f, fm.GetZoom().ToScaleFactor().scale);
+ // bug 936721 - PGO builds introduce rounding error so
+ // use a fuzzy match instead
+ EXPECT_LT(std::abs(fm.GetScrollOffset().x), 1e-5);
+ EXPECT_LT(std::abs(fm.GetScrollOffset().y), 1e-5);
+}
+
+TEST_F(APZCBasicTester, SimpleTransform) {
+ ParentLayerPoint pointOut;
+ AsyncTransform viewTransformOut;
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+
+ EXPECT_EQ(ParentLayerPoint(), pointOut);
+ EXPECT_EQ(AsyncTransform(), viewTransformOut);
+}
+
+
+TEST_F(APZCBasicTester, ComplexTransform) {
+ // This test assumes there is a page that gets rendered to
+ // two layers. In CSS pixels, the first layer is 50x50 and
+ // the second layer is 25x50. The widget scale factor is 3.0
+ // and the presShell resolution is 2.0. Therefore, these layers
+ // end up being 300x300 and 150x300 in layer pixels.
+ //
+ // The second (child) layer has an additional CSS transform that
+ // stretches it by 2.0 on the x-axis. Therefore, after applying
+ // CSS transforms, the two layers are the same size in screen
+ // pixels.
+ //
+ // The screen itself is 24x24 in screen pixels (therefore 4x4 in
+ // CSS pixels). The displayport is 1 extra CSS pixel on all
+ // sides.
+
+ RefPtr<TestAsyncPanZoomController> childApzc =
+ new TestAsyncPanZoomController(0, mcc, tm);
+
+ const char* layerTreeSyntax = "c(c)";
+ // LayerID 0 1
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0, 0, 300, 300)),
+ nsIntRegion(IntRect(0, 0, 150, 300)),
+ };
+ Matrix4x4 transforms[] = {
+ Matrix4x4(),
+ Matrix4x4(),
+ };
+ transforms[0].PostScale(0.5f, 0.5f, 1.0f); // this results from the 2.0 resolution on the root layer
+ transforms[1].PostScale(2.0f, 1.0f, 1.0f); // this is the 2.0 x-axis CSS transform on the child layer
+
+ nsTArray<RefPtr<Layer> > layers;
+ RefPtr<LayerManager> lm;
+ RefPtr<Layer> root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, transforms, lm, layers);
+
+ ScrollMetadata metadata;
+ FrameMetrics& metrics = metadata.GetMetrics();
+ metrics.SetCompositionBounds(ParentLayerRect(0, 0, 24, 24));
+ metrics.SetDisplayPort(CSSRect(-1, -1, 6, 6));
+ metrics.SetScrollOffset(CSSPoint(10, 10));
+ metrics.SetScrollableRect(CSSRect(0, 0, 50, 50));
+ metrics.SetCumulativeResolution(LayoutDeviceToLayerScale2D(2, 2));
+ metrics.SetPresShellResolution(2.0f);
+ metrics.SetZoom(CSSToParentLayerScale2D(6, 6));
+ metrics.SetDevPixelsPerCSSPixel(CSSToLayoutDeviceScale(3));
+ metrics.SetScrollId(FrameMetrics::START_SCROLL_ID);
+
+ ScrollMetadata childMetadata = metadata;
+ FrameMetrics& childMetrics = childMetadata.GetMetrics();
+ childMetrics.SetScrollId(FrameMetrics::START_SCROLL_ID + 1);
+
+ layers[0]->SetScrollMetadata(metadata);
+ layers[1]->SetScrollMetadata(childMetadata);
+
+ ParentLayerPoint pointOut;
+ AsyncTransform viewTransformOut;
+
+ // Both the parent and child layer should behave exactly the same here, because
+ // the CSS transform on the child layer does not affect the SampleContentTransformForFrame code
+
+ // initial transform
+ apzc->SetFrameMetrics(metrics);
+ apzc->NotifyLayersUpdated(metadata, true, true);
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+ EXPECT_EQ(AsyncTransform(LayerToParentLayerScale(1), ParentLayerPoint()), viewTransformOut);
+ EXPECT_EQ(ParentLayerPoint(60, 60), pointOut);
+
+ childApzc->SetFrameMetrics(childMetrics);
+ childApzc->NotifyLayersUpdated(childMetadata, true, true);
+ childApzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+ EXPECT_EQ(AsyncTransform(LayerToParentLayerScale(1), ParentLayerPoint()), viewTransformOut);
+ EXPECT_EQ(ParentLayerPoint(60, 60), pointOut);
+
+ // do an async scroll by 5 pixels and check the transform
+ metrics.ScrollBy(CSSPoint(5, 0));
+ apzc->SetFrameMetrics(metrics);
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+ EXPECT_EQ(AsyncTransform(LayerToParentLayerScale(1), ParentLayerPoint(-30, 0)), viewTransformOut);
+ EXPECT_EQ(ParentLayerPoint(90, 60), pointOut);
+
+ childMetrics.ScrollBy(CSSPoint(5, 0));
+ childApzc->SetFrameMetrics(childMetrics);
+ childApzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+ EXPECT_EQ(AsyncTransform(LayerToParentLayerScale(1), ParentLayerPoint(-30, 0)), viewTransformOut);
+ EXPECT_EQ(ParentLayerPoint(90, 60), pointOut);
+
+ // do an async zoom of 1.5x and check the transform
+ metrics.ZoomBy(1.5f);
+ apzc->SetFrameMetrics(metrics);
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+ EXPECT_EQ(AsyncTransform(LayerToParentLayerScale(1.5), ParentLayerPoint(-45, 0)), viewTransformOut);
+ EXPECT_EQ(ParentLayerPoint(135, 90), pointOut);
+
+ childMetrics.ZoomBy(1.5f);
+ childApzc->SetFrameMetrics(childMetrics);
+ childApzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+ EXPECT_EQ(AsyncTransform(LayerToParentLayerScale(1.5), ParentLayerPoint(-45, 0)), viewTransformOut);
+ EXPECT_EQ(ParentLayerPoint(135, 90), pointOut);
+
+ childApzc->Destroy();
+}
+
+TEST_F(APZCBasicTester, Fling) {
+ SCOPED_GFX_PREF(APZFlingMinVelocityThreshold, float, 0.0f);
+ int touchStart = 50;
+ int touchEnd = 10;
+ ParentLayerPoint pointOut;
+ AsyncTransform viewTransformOut;
+
+ // Fling down. Each step scroll further down
+ Pan(apzc, touchStart, touchEnd);
+ ParentLayerPoint lastPoint;
+ for (int i = 1; i < 50; i+=1) {
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut, TimeDuration::FromMilliseconds(1));
+ EXPECT_GT(pointOut.y, lastPoint.y);
+ lastPoint = pointOut;
+ }
+}
+
+TEST_F(APZCBasicTester, FlingIntoOverscroll) {
+ // Enable overscrolling.
+ SCOPED_GFX_PREF(APZOverscrollEnabled, bool, true);
+ SCOPED_GFX_PREF(APZFlingMinVelocityThreshold, float, 0.0f);
+
+ // Scroll down by 25 px. Don't fling for simplicity.
+ ApzcPanNoFling(apzc, 50, 25);
+
+ // Now scroll back up by 20px, this time flinging after.
+ // The fling should cover the remaining 5 px of room to scroll, then
+ // go into overscroll, and finally snap-back to recover from overscroll.
+ Pan(apzc, 25, 45);
+ const TimeDuration increment = TimeDuration::FromMilliseconds(1);
+ bool reachedOverscroll = false;
+ bool recoveredFromOverscroll = false;
+ while (apzc->AdvanceAnimations(mcc->Time())) {
+ if (!reachedOverscroll && apzc->IsOverscrolled()) {
+ reachedOverscroll = true;
+ }
+ if (reachedOverscroll && !apzc->IsOverscrolled()) {
+ recoveredFromOverscroll = true;
+ }
+ mcc->AdvanceBy(increment);
+ }
+ EXPECT_TRUE(reachedOverscroll);
+ EXPECT_TRUE(recoveredFromOverscroll);
+}
+
+TEST_F(APZCBasicTester, PanningTransformNotifications) {
+ SCOPED_GFX_PREF(APZOverscrollEnabled, bool, true);
+
+ // Scroll down by 25 px. Ensure we only get one set of
+ // state change notifications.
+ //
+ // Then, scroll back up by 20px, this time flinging after.
+ // The fling should cover the remaining 5 px of room to scroll, then
+ // go into overscroll, and finally snap-back to recover from overscroll.
+ // Again, ensure we only get one set of state change notifications for
+ // this entire procedure.
+
+ MockFunction<void(std::string checkPointName)> check;
+ {
+ InSequence s;
+ EXPECT_CALL(check, Call("Simple pan"));
+ EXPECT_CALL(*mcc, NotifyAPZStateChange(_,GeckoContentController::APZStateChange::eStartTouch,_)).Times(1);
+ EXPECT_CALL(*mcc, NotifyAPZStateChange(_,GeckoContentController::APZStateChange::eTransformBegin,_)).Times(1);
+ EXPECT_CALL(*mcc, NotifyAPZStateChange(_,GeckoContentController::APZStateChange::eStartPanning,_)).Times(1);
+ EXPECT_CALL(*mcc, NotifyAPZStateChange(_,GeckoContentController::APZStateChange::eEndTouch,_)).Times(1);
+ EXPECT_CALL(*mcc, NotifyAPZStateChange(_,GeckoContentController::APZStateChange::eTransformEnd,_)).Times(1);
+ EXPECT_CALL(check, Call("Complex pan"));
+ EXPECT_CALL(*mcc, NotifyAPZStateChange(_,GeckoContentController::APZStateChange::eStartTouch,_)).Times(1);
+ EXPECT_CALL(*mcc, NotifyAPZStateChange(_,GeckoContentController::APZStateChange::eTransformBegin,_)).Times(1);
+ EXPECT_CALL(*mcc, NotifyAPZStateChange(_,GeckoContentController::APZStateChange::eStartPanning,_)).Times(1);
+ EXPECT_CALL(*mcc, NotifyAPZStateChange(_,GeckoContentController::APZStateChange::eEndTouch,_)).Times(1);
+ EXPECT_CALL(*mcc, NotifyAPZStateChange(_,GeckoContentController::APZStateChange::eTransformEnd,_)).Times(1);
+ EXPECT_CALL(check, Call("Done"));
+ }
+
+ check.Call("Simple pan");
+ ApzcPanNoFling(apzc, 50, 25);
+ check.Call("Complex pan");
+ Pan(apzc, 25, 45);
+ apzc->AdvanceAnimationsUntilEnd();
+ check.Call("Done");
+}
+
+void APZCBasicTester::PanIntoOverscroll()
+{
+ int touchStart = 500;
+ int touchEnd = 10;
+ Pan(apzc, touchStart, touchEnd);
+ EXPECT_TRUE(apzc->IsOverscrolled());
+}
+
+void APZCBasicTester::TestOverscroll()
+{
+ // Pan sufficiently to hit overscroll behavior
+ PanIntoOverscroll();
+
+ // Check that we recover from overscroll via an animation.
+ ParentLayerPoint expectedScrollOffset(0, GetScrollRange().YMost());
+ SampleAnimationUntilRecoveredFromOverscroll(expectedScrollOffset);
+}
+
+
+TEST_F(APZCBasicTester, OverScrollPanning) {
+ SCOPED_GFX_PREF(APZOverscrollEnabled, bool, true);
+
+ TestOverscroll();
+}
+
+// Tests that an overscroll animation doesn't trigger an assertion failure
+// in the case where a sample has a velocity of zero.
+TEST_F(APZCBasicTester, OverScroll_Bug1152051a) {
+ SCOPED_GFX_PREF(APZOverscrollEnabled, bool, true);
+
+ // Doctor the prefs to make the velocity zero at the end of the first sample.
+
+ // This ensures our incoming velocity to the overscroll animation is
+ // a round(ish) number, 4.9 (that being the distance of the pan before
+ // overscroll, which is 500 - 10 = 490 pixels, divided by the duration of
+ // the pan, which is 100 ms).
+ SCOPED_GFX_PREF(APZFlingFriction, float, 0);
+
+ // To ensure the velocity after the first sample is 0, set the spring
+ // stiffness to the incoming velocity (4.9) divided by the overscroll
+ // (400 pixels) times the step duration (1 ms).
+ SCOPED_GFX_PREF(APZOverscrollSpringStiffness, float, 0.01225f);
+
+ TestOverscroll();
+}
+
+// Tests that ending an overscroll animation doesn't leave around state that
+// confuses the next overscroll animation.
+TEST_F(APZCBasicTester, OverScroll_Bug1152051b) {
+ SCOPED_GFX_PREF(APZOverscrollEnabled, bool, true);
+
+ SCOPED_GFX_PREF(APZOverscrollStopDistanceThreshold, float, 0.1f);
+
+ // Pan sufficiently to hit overscroll behavior
+ PanIntoOverscroll();
+
+ // Sample animations once, to give the fling animation started on touch-up
+ // a chance to realize it's overscrolled, and schedule a call to
+ // HandleFlingOverscroll().
+ SampleAnimationOnce();
+
+ // This advances the time and runs the HandleFlingOverscroll task scheduled in
+ // the previous call, which starts an overscroll animation. It then samples
+ // the overscroll animation once, to get it to initialize the first overscroll
+ // sample.
+ SampleAnimationOnce();
+
+ // Do a touch-down to cancel the overscroll animation, and then a touch-up
+ // to schedule a new one since we're still overscrolled. We don't pan because
+ // panning can trigger functions that clear the overscroll animation state
+ // in other ways.
+ uint64_t blockId;
+ nsEventStatus status = TouchDown(apzc, ScreenIntPoint(10, 10), mcc->Time(), &blockId);
+ if (gfxPrefs::TouchActionEnabled() && status != nsEventStatus_eConsumeNoDefault) {
+ SetDefaultAllowedTouchBehavior(apzc, blockId);
+ }
+ TouchUp(apzc, ScreenIntPoint(10, 10), mcc->Time());
+
+ // Sample the second overscroll animation to its end.
+ // If the ending of the first overscroll animation fails to clear state
+ // properly, this will assert.
+ ParentLayerPoint expectedScrollOffset(0, GetScrollRange().YMost());
+ SampleAnimationUntilRecoveredFromOverscroll(expectedScrollOffset);
+}
+
+TEST_F(APZCBasicTester, OverScrollAbort) {
+ SCOPED_GFX_PREF(APZOverscrollEnabled, bool, true);
+
+ // Pan sufficiently to hit overscroll behavior
+ int touchStart = 500;
+ int touchEnd = 10;
+ Pan(apzc, touchStart, touchEnd);
+ EXPECT_TRUE(apzc->IsOverscrolled());
+
+ ParentLayerPoint pointOut;
+ AsyncTransform viewTransformOut;
+
+ // This sample call will run to the end of the fling animation
+ // and will schedule the overscroll animation.
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut, TimeDuration::FromMilliseconds(10000));
+ EXPECT_TRUE(apzc->IsOverscrolled());
+
+ // At this point, we have an active overscroll animation.
+ // Check that cancelling the animation clears the overscroll.
+ apzc->CancelAnimation();
+ EXPECT_FALSE(apzc->IsOverscrolled());
+ apzc->AssertStateIsReset();
+}
+
+TEST_F(APZCBasicTester, OverScrollPanningAbort) {
+ SCOPED_GFX_PREF(APZOverscrollEnabled, bool, true);
+
+ // Pan sufficiently to hit overscroll behaviour. Keep the finger down so
+ // the pan does not end.
+ int touchStart = 500;
+ int touchEnd = 10;
+ Pan(apzc, touchStart, touchEnd, true); // keep finger down
+ EXPECT_TRUE(apzc->IsOverscrolled());
+
+ // Check that calling CancelAnimation() while the user is still panning
+ // (and thus no fling or snap-back animation has had a chance to start)
+ // clears the overscroll.
+ apzc->CancelAnimation();
+ EXPECT_FALSE(apzc->IsOverscrolled());
+ apzc->AssertStateIsReset();
+}
diff --git a/gfx/layers/apz/test/gtest/TestEventRegions.cpp b/gfx/layers/apz/test/gtest/TestEventRegions.cpp
new file mode 100644
index 000000000..8b3aac348
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/TestEventRegions.cpp
@@ -0,0 +1,272 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "APZCTreeManagerTester.h"
+#include "APZTestCommon.h"
+#include "InputUtils.h"
+
+class APZEventRegionsTester : public APZCTreeManagerTester {
+protected:
+ UniquePtr<ScopedLayerTreeRegistration> registration;
+ TestAsyncPanZoomController* rootApzc;
+
+ void CreateEventRegionsLayerTree1() {
+ const char* layerTreeSyntax = "c(tt)";
+ nsIntRegion layerVisibleRegions[] = {
+ nsIntRegion(IntRect(0, 0, 200, 200)), // root
+ nsIntRegion(IntRect(0, 0, 100, 200)), // left half
+ nsIntRegion(IntRect(0, 100, 200, 100)), // bottom half
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegions, nullptr, lm, layers);
+ SetScrollableFrameMetrics(root, FrameMetrics::START_SCROLL_ID);
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID + 1);
+ SetScrollableFrameMetrics(layers[2], FrameMetrics::START_SCROLL_ID + 2);
+ SetScrollHandoff(layers[1], root);
+ SetScrollHandoff(layers[2], root);
+
+ // Set up the event regions over a 200x200 area. The root layer has the
+ // whole 200x200 as the hit region; layers[1] has the left half and
+ // layers[2] has the bottom half. The bottom-left 100x100 area is also
+ // in the d-t-c region for both layers[1] and layers[2] (but layers[2] is
+ // on top so it gets the events by default if the main thread doesn't
+ // respond).
+ EventRegions regions(nsIntRegion(IntRect(0, 0, 200, 200)));
+ root->SetEventRegions(regions);
+ regions.mDispatchToContentHitRegion = nsIntRegion(IntRect(0, 100, 100, 100));
+ regions.mHitRegion = nsIntRegion(IntRect(0, 0, 100, 200));
+ layers[1]->SetEventRegions(regions);
+ regions.mHitRegion = nsIntRegion(IntRect(0, 100, 200, 100));
+ layers[2]->SetEventRegions(regions);
+
+ registration = MakeUnique<ScopedLayerTreeRegistration>(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ rootApzc = ApzcOf(root);
+ }
+
+ void CreateEventRegionsLayerTree2() {
+ const char* layerTreeSyntax = "c(t)";
+ nsIntRegion layerVisibleRegions[] = {
+ nsIntRegion(IntRect(0, 0, 100, 500)),
+ nsIntRegion(IntRect(0, 150, 100, 100)),
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegions, nullptr, lm, layers);
+ SetScrollableFrameMetrics(root, FrameMetrics::START_SCROLL_ID);
+
+ // Set up the event regions so that the child thebes layer is positioned far
+ // away from the scrolling container layer.
+ EventRegions regions(nsIntRegion(IntRect(0, 0, 100, 100)));
+ root->SetEventRegions(regions);
+ regions.mHitRegion = nsIntRegion(IntRect(0, 150, 100, 100));
+ layers[1]->SetEventRegions(regions);
+
+ registration = MakeUnique<ScopedLayerTreeRegistration>(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ rootApzc = ApzcOf(root);
+ }
+
+ void CreateObscuringLayerTree() {
+ const char* layerTreeSyntax = "c(c(t)t)";
+ // LayerID 0 1 2 3
+ // 0 is the root.
+ // 1 is a parent scrollable layer.
+ // 2 is a child scrollable layer.
+ // 3 is the Obscurer, who ruins everything.
+ nsIntRegion layerVisibleRegions[] = {
+ // x coordinates are uninteresting
+ nsIntRegion(IntRect(0, 0, 200, 200)), // [0, 200]
+ nsIntRegion(IntRect(0, 0, 200, 200)), // [0, 200]
+ nsIntRegion(IntRect(0, 100, 200, 50)), // [100, 150]
+ nsIntRegion(IntRect(0, 100, 200, 100)) // [100, 200]
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegions, nullptr, lm, layers);
+
+ SetScrollableFrameMetrics(root, FrameMetrics::START_SCROLL_ID, CSSRect(0, 0, 200, 200));
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID + 1, CSSRect(0, 0, 200, 300));
+ SetScrollableFrameMetrics(layers[2], FrameMetrics::START_SCROLL_ID + 2, CSSRect(0, 0, 200, 100));
+ SetScrollHandoff(layers[2], layers[1]);
+ SetScrollHandoff(layers[1], root);
+
+ EventRegions regions(nsIntRegion(IntRect(0, 0, 200, 200)));
+ root->SetEventRegions(regions);
+ regions.mHitRegion = nsIntRegion(IntRect(0, 0, 200, 300));
+ layers[1]->SetEventRegions(regions);
+ regions.mHitRegion = nsIntRegion(IntRect(0, 100, 200, 100));
+ layers[2]->SetEventRegions(regions);
+
+ registration = MakeUnique<ScopedLayerTreeRegistration>(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ rootApzc = ApzcOf(root);
+ }
+
+ void CreateBug1119497LayerTree() {
+ const char* layerTreeSyntax = "c(tt)";
+ // LayerID 0 12
+ // 0 is the root and has an APZC
+ // 1 is behind 2 and has an APZC
+ // 2 entirely covers 1 and should take all the input events, but has no APZC
+ // so hits to 2 should go to to the root APZC
+ nsIntRegion layerVisibleRegions[] = {
+ nsIntRegion(IntRect(0, 0, 100, 100)),
+ nsIntRegion(IntRect(0, 0, 100, 100)),
+ nsIntRegion(IntRect(0, 0, 100, 100)),
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegions, nullptr, lm, layers);
+
+ SetScrollableFrameMetrics(root, FrameMetrics::START_SCROLL_ID);
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID + 1);
+
+ registration = MakeUnique<ScopedLayerTreeRegistration>(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ }
+
+ void CreateBug1117712LayerTree() {
+ const char* layerTreeSyntax = "c(c(t)t)";
+ // LayerID 0 1 2 3
+ // 0 is the root
+ // 1 is a container layer whose sole purpose to make a non-empty ancestor
+ // transform for 2, so that 2's screen-to-apzc and apzc-to-gecko
+ // transforms are different from 3's.
+ // 2 is a small layer that is the actual target
+ // 3 is a big layer obscuring 2 with a dispatch-to-content region
+ nsIntRegion layerVisibleRegions[] = {
+ nsIntRegion(IntRect(0, 0, 100, 100)),
+ nsIntRegion(IntRect(0, 0, 0, 0)),
+ nsIntRegion(IntRect(0, 0, 10, 10)),
+ nsIntRegion(IntRect(0, 0, 100, 100)),
+ };
+ Matrix4x4 layerTransforms[] = {
+ Matrix4x4(),
+ Matrix4x4::Translation(50, 0, 0),
+ Matrix4x4(),
+ Matrix4x4(),
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegions, layerTransforms, lm, layers);
+
+ SetScrollableFrameMetrics(layers[2], FrameMetrics::START_SCROLL_ID, CSSRect(0, 0, 10, 10));
+ SetScrollableFrameMetrics(layers[3], FrameMetrics::START_SCROLL_ID + 1, CSSRect(0, 0, 100, 100));
+ SetScrollHandoff(layers[3], layers[2]);
+
+ EventRegions regions(nsIntRegion(IntRect(0, 0, 10, 10)));
+ layers[2]->SetEventRegions(regions);
+ regions.mHitRegion = nsIntRegion(IntRect(0, 0, 100, 100));
+ regions.mDispatchToContentHitRegion = nsIntRegion(IntRect(0, 0, 100, 100));
+ layers[3]->SetEventRegions(regions);
+
+ registration = MakeUnique<ScopedLayerTreeRegistration>(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ }
+};
+
+TEST_F(APZEventRegionsTester, HitRegionImmediateResponse) {
+ CreateEventRegionsLayerTree1();
+
+ TestAsyncPanZoomController* root = ApzcOf(layers[0]);
+ TestAsyncPanZoomController* left = ApzcOf(layers[1]);
+ TestAsyncPanZoomController* bottom = ApzcOf(layers[2]);
+
+ MockFunction<void(std::string checkPointName)> check;
+ {
+ InSequence s;
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, _, _, left->GetGuid(), _)).Times(1);
+ EXPECT_CALL(check, Call("Tapped on left"));
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, _, _, bottom->GetGuid(), _)).Times(1);
+ EXPECT_CALL(check, Call("Tapped on bottom"));
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, _, _, root->GetGuid(), _)).Times(1);
+ EXPECT_CALL(check, Call("Tapped on root"));
+ EXPECT_CALL(check, Call("Tap pending on d-t-c region"));
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, _, _, bottom->GetGuid(), _)).Times(1);
+ EXPECT_CALL(check, Call("Tapped on bottom again"));
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, _, _, left->GetGuid(), _)).Times(1);
+ EXPECT_CALL(check, Call("Tapped on left this time"));
+ }
+
+ TimeDuration tapDuration = TimeDuration::FromMilliseconds(100);
+
+ // Tap in the exposed hit regions of each of the layers once and ensure
+ // the clicks are dispatched right away
+ Tap(manager, ScreenIntPoint(10, 10), tapDuration);
+ mcc->RunThroughDelayedTasks(); // this runs the tap event
+ check.Call("Tapped on left");
+ Tap(manager, ScreenIntPoint(110, 110), tapDuration);
+ mcc->RunThroughDelayedTasks(); // this runs the tap event
+ check.Call("Tapped on bottom");
+ Tap(manager, ScreenIntPoint(110, 10), tapDuration);
+ mcc->RunThroughDelayedTasks(); // this runs the tap event
+ check.Call("Tapped on root");
+
+ // Now tap on the dispatch-to-content region where the layers overlap
+ Tap(manager, ScreenIntPoint(10, 110), tapDuration);
+ mcc->RunThroughDelayedTasks(); // this runs the main-thread timeout
+ check.Call("Tap pending on d-t-c region");
+ mcc->RunThroughDelayedTasks(); // this runs the tap event
+ check.Call("Tapped on bottom again");
+
+ // Now let's do that again, but simulate a main-thread response
+ uint64_t inputBlockId = 0;
+ Tap(manager, ScreenIntPoint(10, 110), tapDuration, nullptr, &inputBlockId);
+ nsTArray<ScrollableLayerGuid> targets;
+ targets.AppendElement(left->GetGuid());
+ manager->SetTargetAPZC(inputBlockId, targets);
+ while (mcc->RunThroughDelayedTasks()); // this runs the tap event
+ check.Call("Tapped on left this time");
+}
+
+TEST_F(APZEventRegionsTester, HitRegionAccumulatesChildren) {
+ CreateEventRegionsLayerTree2();
+
+ // Tap in the area of the child layer that's not directly included in the
+ // parent layer's hit region. Verify that it comes out of the APZC's
+ // content controller, which indicates the input events got routed correctly
+ // to the APZC.
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, _, _, rootApzc->GetGuid(), _)).Times(1);
+ Tap(manager, ScreenIntPoint(10, 160), TimeDuration::FromMilliseconds(100));
+}
+
+TEST_F(APZEventRegionsTester, Obscuration) {
+ CreateObscuringLayerTree();
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+
+ TestAsyncPanZoomController* parent = ApzcOf(layers[1]);
+ TestAsyncPanZoomController* child = ApzcOf(layers[2]);
+
+ ApzcPanNoFling(parent, 75, 25);
+
+ HitTestResult result;
+ RefPtr<AsyncPanZoomController> hit = manager->GetTargetAPZC(ScreenPoint(50, 75), &result);
+ EXPECT_EQ(child, hit.get());
+ EXPECT_EQ(HitTestResult::HitLayer, result);
+}
+
+TEST_F(APZEventRegionsTester, Bug1119497) {
+ CreateBug1119497LayerTree();
+
+ HitTestResult result;
+ RefPtr<AsyncPanZoomController> hit = manager->GetTargetAPZC(ScreenPoint(50, 50), &result);
+ // We should hit layers[2], so |result| will be HitLayer but there's no
+ // actual APZC on layers[2], so it will be the APZC of the root layer.
+ EXPECT_EQ(ApzcOf(layers[0]), hit.get());
+ EXPECT_EQ(HitTestResult::HitLayer, result);
+}
+
+TEST_F(APZEventRegionsTester, Bug1117712) {
+ CreateBug1117712LayerTree();
+
+ TestAsyncPanZoomController* apzc2 = ApzcOf(layers[2]);
+
+ // These touch events should hit the dispatch-to-content region of layers[3]
+ // and so get queued with that APZC as the tentative target.
+ uint64_t inputBlockId = 0;
+ Tap(manager, ScreenIntPoint(55, 5), TimeDuration::FromMilliseconds(100), nullptr, &inputBlockId);
+ // But now we tell the APZ that really it hit layers[2], and expect the tap
+ // to be delivered at the correct coordinates.
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, LayoutDevicePoint(55, 5), 0, apzc2->GetGuid(), _)).Times(1);
+
+ nsTArray<ScrollableLayerGuid> targets;
+ targets.AppendElement(apzc2->GetGuid());
+ manager->SetTargetAPZC(inputBlockId, targets);
+}
diff --git a/gfx/layers/apz/test/gtest/TestGestureDetector.cpp b/gfx/layers/apz/test/gtest/TestGestureDetector.cpp
new file mode 100644
index 000000000..fcbc250f7
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/TestGestureDetector.cpp
@@ -0,0 +1,638 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "APZCBasicTester.h"
+#include "APZTestCommon.h"
+
+class APZCGestureDetectorTester : public APZCBasicTester {
+public:
+ APZCGestureDetectorTester()
+ : APZCBasicTester(AsyncPanZoomController::USE_GESTURE_DETECTOR)
+ {
+ }
+
+protected:
+ FrameMetrics GetPinchableFrameMetrics()
+ {
+ FrameMetrics fm;
+ fm.SetCompositionBounds(ParentLayerRect(200, 200, 100, 200));
+ fm.SetScrollableRect(CSSRect(0, 0, 980, 1000));
+ fm.SetScrollOffset(CSSPoint(300, 300));
+ fm.SetZoom(CSSToParentLayerScale2D(2.0, 2.0));
+ // APZC only allows zooming on the root scrollable frame.
+ fm.SetIsRootContent(true);
+ // the visible area of the document in CSS pixels is x=300 y=300 w=50 h=100
+ return fm;
+ }
+};
+
+TEST_F(APZCGestureDetectorTester, Pan_After_Pinch) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, false);
+
+ FrameMetrics originalMetrics = GetPinchableFrameMetrics();
+ apzc->SetFrameMetrics(originalMetrics);
+
+ MakeApzcZoomable();
+
+ // Test parameters
+ float zoomAmount = 1.25;
+ float pinchLength = 100.0;
+ float pinchLengthScaled = pinchLength * zoomAmount;
+ int focusX = 250;
+ int focusY = 300;
+ int panDistance = 20;
+
+ int firstFingerId = 0;
+ int secondFingerId = firstFingerId + 1;
+
+ // Put fingers down
+ MultiTouchInput mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_START, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(firstFingerId, focusX, focusY));
+ mti.mTouches.AppendElement(CreateSingleTouchData(secondFingerId, focusX, focusY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // Spread fingers out to enter the pinch state
+ mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(firstFingerId, focusX - pinchLength, focusY));
+ mti.mTouches.AppendElement(CreateSingleTouchData(secondFingerId, focusX + pinchLength, focusY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // Do the actual pinch of 1.25x
+ mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(firstFingerId, focusX - pinchLengthScaled, focusY));
+ mti.mTouches.AppendElement(CreateSingleTouchData(secondFingerId, focusX + pinchLengthScaled, focusY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // Verify that the zoom changed, just to make sure our code above did what it
+ // was supposed to.
+ FrameMetrics zoomedMetrics = apzc->GetFrameMetrics();
+ float newZoom = zoomedMetrics.GetZoom().ToScaleFactor().scale;
+ EXPECT_EQ(originalMetrics.GetZoom().ToScaleFactor().scale * zoomAmount, newZoom);
+
+ // Now we lift one finger...
+ mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_END, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(secondFingerId, focusX + pinchLengthScaled, focusY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // ... and pan with the remaining finger. This pan just breaks through the
+ // distance threshold.
+ focusY += 40;
+ mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(firstFingerId, focusX - pinchLengthScaled, focusY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // This one does an actual pan of 20 pixels
+ focusY += panDistance;
+ mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(firstFingerId, focusX - pinchLengthScaled, focusY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // Lift the remaining finger
+ mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_END, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(firstFingerId, focusX - pinchLengthScaled, focusY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // Verify that we scrolled
+ FrameMetrics finalMetrics = apzc->GetFrameMetrics();
+ EXPECT_EQ(zoomedMetrics.GetScrollOffset().y - (panDistance / newZoom), finalMetrics.GetScrollOffset().y);
+
+ // Clear out any remaining fling animation and pending tasks
+ apzc->AdvanceAnimationsUntilEnd();
+ while (mcc->RunThroughDelayedTasks());
+ apzc->AssertStateIsReset();
+}
+
+TEST_F(APZCGestureDetectorTester, Pan_With_Tap) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, false);
+
+ FrameMetrics originalMetrics = GetPinchableFrameMetrics();
+ apzc->SetFrameMetrics(originalMetrics);
+
+ // Making the APZC zoomable isn't really needed for the correct operation of
+ // this test, but it could help catch regressions where we accidentally enter
+ // a pinch state.
+ MakeApzcZoomable();
+
+ // Test parameters
+ int touchX = 250;
+ int touchY = 300;
+ int panDistance = 20;
+
+ int firstFingerId = 0;
+ int secondFingerId = firstFingerId + 1;
+
+ // Put finger down
+ MultiTouchInput mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_START, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(firstFingerId, touchX, touchY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // Start a pan, break through the threshold
+ touchY += 40;
+ mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(firstFingerId, touchX, touchY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // Do an actual pan for a bit
+ touchY += panDistance;
+ mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(firstFingerId, touchX, touchY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // Put a second finger down
+ mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_START, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(firstFingerId, touchX, touchY));
+ mti.mTouches.AppendElement(CreateSingleTouchData(secondFingerId, touchX + 10, touchY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // Lift the second finger
+ mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_END, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(secondFingerId, touchX + 10, touchY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // Bust through the threshold again
+ touchY += 40;
+ mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(firstFingerId, touchX, touchY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // Do some more actual panning
+ touchY += panDistance;
+ mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(firstFingerId, touchX, touchY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // Lift the first finger
+ mti = MultiTouchInput(MultiTouchInput::MULTITOUCH_END, 0, TimeStamp(), 0);
+ mti.mTouches.AppendElement(CreateSingleTouchData(firstFingerId, touchX, touchY));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ // Verify that we scrolled
+ FrameMetrics finalMetrics = apzc->GetFrameMetrics();
+ float zoom = finalMetrics.GetZoom().ToScaleFactor().scale;
+ EXPECT_EQ(originalMetrics.GetScrollOffset().y - (panDistance * 2 / zoom), finalMetrics.GetScrollOffset().y);
+
+ // Clear out any remaining fling animation and pending tasks
+ apzc->AdvanceAnimationsUntilEnd();
+ while (mcc->RunThroughDelayedTasks());
+ apzc->AssertStateIsReset();
+}
+
+class APZCFlingStopTester : public APZCGestureDetectorTester {
+protected:
+ // Start a fling, and then tap while the fling is ongoing. When
+ // aSlow is false, the tap will happen while the fling is at a
+ // high velocity, and we check that the tap doesn't trigger sending a tap
+ // to content. If aSlow is true, the tap will happen while the fling
+ // is at a slow velocity, and we check that the tap does trigger sending
+ // a tap to content. See bug 1022956.
+ void DoFlingStopTest(bool aSlow) {
+ int touchStart = 50;
+ int touchEnd = 10;
+
+ // Start the fling down.
+ Pan(apzc, touchStart, touchEnd);
+ // The touchstart from the pan will leave some cancelled tasks in the queue, clear them out
+
+ // If we want to tap while the fling is fast, let the fling advance for 10ms only. If we want
+ // the fling to slow down more, advance to 2000ms. These numbers may need adjusting if our
+ // friction and threshold values change, but they should be deterministic at least.
+ int timeDelta = aSlow ? 2000 : 10;
+ int tapCallsExpected = aSlow ? 2 : 1;
+
+ // Advance the fling animation by timeDelta milliseconds.
+ ParentLayerPoint pointOut;
+ AsyncTransform viewTransformOut;
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut, TimeDuration::FromMilliseconds(timeDelta));
+
+ // Deliver a tap to abort the fling. Ensure that we get a SingleTap
+ // call out of it if and only if the fling is slow.
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, _, 0, apzc->GetGuid(), _)).Times(tapCallsExpected);
+ Tap(apzc, ScreenIntPoint(10, 10), 0);
+ while (mcc->RunThroughDelayedTasks());
+
+ // Deliver another tap, to make sure that taps are flowing properly once
+ // the fling is aborted.
+ Tap(apzc, ScreenIntPoint(100, 100), 0);
+ while (mcc->RunThroughDelayedTasks());
+
+ // Verify that we didn't advance any further after the fling was aborted, in either case.
+ ParentLayerPoint finalPointOut;
+ apzc->SampleContentTransformForFrame(&viewTransformOut, finalPointOut);
+ EXPECT_EQ(pointOut.x, finalPointOut.x);
+ EXPECT_EQ(pointOut.y, finalPointOut.y);
+
+ apzc->AssertStateIsReset();
+ }
+
+ void DoFlingStopWithSlowListener(bool aPreventDefault) {
+ MakeApzcWaitForMainThread();
+
+ int touchStart = 50;
+ int touchEnd = 10;
+ uint64_t blockId = 0;
+
+ // Start the fling down.
+ Pan(apzc, touchStart, touchEnd, false, nullptr, nullptr, &blockId);
+ apzc->ConfirmTarget(blockId);
+ apzc->ContentReceivedInputBlock(blockId, false);
+
+ // Sample the fling a couple of times to ensure it's going.
+ ParentLayerPoint point, finalPoint;
+ AsyncTransform viewTransform;
+ apzc->SampleContentTransformForFrame(&viewTransform, point, TimeDuration::FromMilliseconds(10));
+ apzc->SampleContentTransformForFrame(&viewTransform, finalPoint, TimeDuration::FromMilliseconds(10));
+ EXPECT_GT(finalPoint.y, point.y);
+
+ // Now we put our finger down to stop the fling
+ TouchDown(apzc, ScreenIntPoint(10, 10), mcc->Time(), &blockId);
+
+ // Re-sample to make sure it hasn't moved
+ apzc->SampleContentTransformForFrame(&viewTransform, point, TimeDuration::FromMilliseconds(10));
+ EXPECT_EQ(finalPoint.x, point.x);
+ EXPECT_EQ(finalPoint.y, point.y);
+
+ // respond to the touchdown that stopped the fling.
+ // even if we do a prevent-default on it, the animation should remain stopped.
+ apzc->ContentReceivedInputBlock(blockId, aPreventDefault);
+
+ // Verify the page hasn't moved
+ apzc->SampleContentTransformForFrame(&viewTransform, point, TimeDuration::FromMilliseconds(70));
+ EXPECT_EQ(finalPoint.x, point.x);
+ EXPECT_EQ(finalPoint.y, point.y);
+
+ // clean up
+ TouchUp(apzc, ScreenIntPoint(10, 10), mcc->Time());
+
+ apzc->AssertStateIsReset();
+ }
+};
+
+TEST_F(APZCFlingStopTester, FlingStop) {
+ SCOPED_GFX_PREF(APZFlingMinVelocityThreshold, float, 0.0f);
+ DoFlingStopTest(false);
+}
+
+TEST_F(APZCFlingStopTester, FlingStopTap) {
+ SCOPED_GFX_PREF(APZFlingMinVelocityThreshold, float, 0.0f);
+ DoFlingStopTest(true);
+}
+
+TEST_F(APZCFlingStopTester, FlingStopSlowListener) {
+ SCOPED_GFX_PREF(APZFlingMinVelocityThreshold, float, 0.0f);
+ DoFlingStopWithSlowListener(false);
+}
+
+TEST_F(APZCFlingStopTester, FlingStopPreventDefault) {
+ SCOPED_GFX_PREF(APZFlingMinVelocityThreshold, float, 0.0f);
+ DoFlingStopWithSlowListener(true);
+}
+
+TEST_F(APZCGestureDetectorTester, ShortPress) {
+ MakeApzcUnzoomable();
+
+ MockFunction<void(std::string checkPointName)> check;
+ {
+ InSequence s;
+ // This verifies that the single tap notification is sent after the
+ // touchup is fully processed. The ordering here is important.
+ EXPECT_CALL(check, Call("pre-tap"));
+ EXPECT_CALL(check, Call("post-tap"));
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(1);
+ }
+
+ check.Call("pre-tap");
+ TapAndCheckStatus(apzc, ScreenIntPoint(10, 10), TimeDuration::FromMilliseconds(100));
+ check.Call("post-tap");
+
+ apzc->AssertStateIsReset();
+}
+
+TEST_F(APZCGestureDetectorTester, MediumPress) {
+ MakeApzcUnzoomable();
+
+ MockFunction<void(std::string checkPointName)> check;
+ {
+ InSequence s;
+ // This verifies that the single tap notification is sent after the
+ // touchup is fully processed. The ordering here is important.
+ EXPECT_CALL(check, Call("pre-tap"));
+ EXPECT_CALL(check, Call("post-tap"));
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(1);
+ }
+
+ check.Call("pre-tap");
+ TapAndCheckStatus(apzc, ScreenIntPoint(10, 10), TimeDuration::FromMilliseconds(400));
+ check.Call("post-tap");
+
+ apzc->AssertStateIsReset();
+}
+
+class APZCLongPressTester : public APZCGestureDetectorTester {
+protected:
+ void DoLongPressTest(uint32_t aBehavior) {
+ MakeApzcUnzoomable();
+
+ uint64_t blockId = 0;
+
+ nsEventStatus status = TouchDown(apzc, ScreenIntPoint(10, 10), mcc->Time(), &blockId);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, status);
+
+ if (gfxPrefs::TouchActionEnabled() && status != nsEventStatus_eConsumeNoDefault) {
+ // SetAllowedTouchBehavior() must be called after sending touch-start.
+ nsTArray<uint32_t> allowedTouchBehaviors;
+ allowedTouchBehaviors.AppendElement(aBehavior);
+ apzc->SetAllowedTouchBehavior(blockId, allowedTouchBehaviors);
+ }
+ // Have content "respond" to the touchstart
+ apzc->ContentReceivedInputBlock(blockId, false);
+
+ MockFunction<void(std::string checkPointName)> check;
+
+ {
+ InSequence s;
+
+ EXPECT_CALL(check, Call("preHandleLongTap"));
+ blockId++;
+ EXPECT_CALL(*mcc, HandleTap(TapType::eLongTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), blockId)).Times(1);
+ EXPECT_CALL(check, Call("postHandleLongTap"));
+
+ EXPECT_CALL(check, Call("preHandleLongTapUp"));
+ EXPECT_CALL(*mcc, HandleTap(TapType::eLongTapUp, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(1);
+ EXPECT_CALL(check, Call("postHandleLongTapUp"));
+ }
+
+ // Manually invoke the longpress while the touch is currently down.
+ check.Call("preHandleLongTap");
+ mcc->RunThroughDelayedTasks();
+ check.Call("postHandleLongTap");
+
+ // Dispatching the longpress event starts a new touch block, which
+ // needs a new content response and also has a pending timeout task
+ // in the queue. Deal with those here. We do the content response first
+ // with preventDefault=false, and then we run the timeout task which
+ // "loses the race" and does nothing.
+ apzc->ContentReceivedInputBlock(blockId, false);
+ mcc->AdvanceByMillis(1000);
+
+ // Finally, simulate lifting the finger. Since the long-press wasn't
+ // prevent-defaulted, we should get a long-tap-up event.
+ check.Call("preHandleLongTapUp");
+ status = TouchUp(apzc, ScreenIntPoint(10, 10), mcc->Time());
+ mcc->RunThroughDelayedTasks();
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, status);
+ check.Call("postHandleLongTapUp");
+
+ apzc->AssertStateIsReset();
+ }
+
+ void DoLongPressPreventDefaultTest(uint32_t aBehavior) {
+ MakeApzcUnzoomable();
+
+ EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(0);
+
+ int touchX = 10,
+ touchStartY = 10,
+ touchEndY = 50;
+
+ uint64_t blockId = 0;
+ nsEventStatus status = TouchDown(apzc, ScreenIntPoint(touchX, touchStartY), mcc->Time(), &blockId);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, status);
+
+ if (gfxPrefs::TouchActionEnabled() && status != nsEventStatus_eConsumeNoDefault) {
+ // SetAllowedTouchBehavior() must be called after sending touch-start.
+ nsTArray<uint32_t> allowedTouchBehaviors;
+ allowedTouchBehaviors.AppendElement(aBehavior);
+ apzc->SetAllowedTouchBehavior(blockId, allowedTouchBehaviors);
+ }
+ // Have content "respond" to the touchstart
+ apzc->ContentReceivedInputBlock(blockId, false);
+
+ MockFunction<void(std::string checkPointName)> check;
+
+ {
+ InSequence s;
+
+ EXPECT_CALL(check, Call("preHandleLongTap"));
+ blockId++;
+ EXPECT_CALL(*mcc, HandleTap(TapType::eLongTap, LayoutDevicePoint(touchX, touchStartY), 0, apzc->GetGuid(), blockId)).Times(1);
+ EXPECT_CALL(check, Call("postHandleLongTap"));
+ }
+
+ // Manually invoke the longpress while the touch is currently down.
+ check.Call("preHandleLongTap");
+ mcc->RunThroughDelayedTasks();
+ check.Call("postHandleLongTap");
+
+ // There should be a TimeoutContentResponse task in the queue still,
+ // waiting for the response from the longtap event dispatched above.
+ // Send the signal that content has handled the long-tap, and then run
+ // the timeout task (it will be a no-op because the content "wins" the
+ // race. This takes the place of the "contextmenu" event.
+ apzc->ContentReceivedInputBlock(blockId, true);
+ mcc->AdvanceByMillis(1000);
+
+ MultiTouchInput mti = CreateMultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, mcc->Time());
+ mti.mTouches.AppendElement(SingleTouchData(0, ParentLayerPoint(touchX, touchEndY), ScreenSize(0, 0), 0, 0));
+ status = apzc->ReceiveInputEvent(mti, nullptr);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, status);
+
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, LayoutDevicePoint(touchX, touchEndY), 0, apzc->GetGuid(), _)).Times(0);
+ status = TouchUp(apzc, ScreenIntPoint(touchX, touchEndY), mcc->Time());
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, status);
+
+ ParentLayerPoint pointOut;
+ AsyncTransform viewTransformOut;
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+
+ EXPECT_EQ(ParentLayerPoint(), pointOut);
+ EXPECT_EQ(AsyncTransform(), viewTransformOut);
+
+ apzc->AssertStateIsReset();
+ }
+};
+
+TEST_F(APZCLongPressTester, LongPress) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, false);
+ DoLongPressTest(mozilla::layers::AllowedTouchBehavior::NONE);
+}
+
+TEST_F(APZCLongPressTester, LongPressWithTouchAction) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, true);
+ DoLongPressTest(mozilla::layers::AllowedTouchBehavior::HORIZONTAL_PAN
+ | mozilla::layers::AllowedTouchBehavior::VERTICAL_PAN
+ | mozilla::layers::AllowedTouchBehavior::PINCH_ZOOM);
+}
+
+TEST_F(APZCLongPressTester, LongPressPreventDefault) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, false);
+ DoLongPressPreventDefaultTest(mozilla::layers::AllowedTouchBehavior::NONE);
+}
+
+TEST_F(APZCLongPressTester, LongPressPreventDefaultWithTouchAction) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, true);
+ DoLongPressPreventDefaultTest(mozilla::layers::AllowedTouchBehavior::HORIZONTAL_PAN
+ | mozilla::layers::AllowedTouchBehavior::VERTICAL_PAN
+ | mozilla::layers::AllowedTouchBehavior::PINCH_ZOOM);
+}
+
+TEST_F(APZCGestureDetectorTester, DoubleTap) {
+ MakeApzcWaitForMainThread();
+ MakeApzcZoomable();
+
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(0);
+ EXPECT_CALL(*mcc, HandleTap(TapType::eDoubleTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(1);
+
+ uint64_t blockIds[2];
+ DoubleTapAndCheckStatus(apzc, ScreenIntPoint(10, 10), &blockIds);
+
+ // responses to the two touchstarts
+ apzc->ContentReceivedInputBlock(blockIds[0], false);
+ apzc->ContentReceivedInputBlock(blockIds[1], false);
+
+ apzc->AssertStateIsReset();
+}
+
+TEST_F(APZCGestureDetectorTester, DoubleTapNotZoomable) {
+ MakeApzcWaitForMainThread();
+ MakeApzcUnzoomable();
+
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(1);
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSecondTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(1);
+ EXPECT_CALL(*mcc, HandleTap(TapType::eDoubleTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(0);
+
+ uint64_t blockIds[2];
+ DoubleTapAndCheckStatus(apzc, ScreenIntPoint(10, 10), &blockIds);
+
+ // responses to the two touchstarts
+ apzc->ContentReceivedInputBlock(blockIds[0], false);
+ apzc->ContentReceivedInputBlock(blockIds[1], false);
+
+ apzc->AssertStateIsReset();
+}
+
+TEST_F(APZCGestureDetectorTester, DoubleTapPreventDefaultFirstOnly) {
+ MakeApzcWaitForMainThread();
+ MakeApzcZoomable();
+
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(1);
+ EXPECT_CALL(*mcc, HandleTap(TapType::eDoubleTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(0);
+
+ uint64_t blockIds[2];
+ DoubleTapAndCheckStatus(apzc, ScreenIntPoint(10, 10), &blockIds);
+
+ // responses to the two touchstarts
+ apzc->ContentReceivedInputBlock(blockIds[0], true);
+ apzc->ContentReceivedInputBlock(blockIds[1], false);
+
+ apzc->AssertStateIsReset();
+}
+
+TEST_F(APZCGestureDetectorTester, DoubleTapPreventDefaultBoth) {
+ MakeApzcWaitForMainThread();
+ MakeApzcZoomable();
+
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(0);
+ EXPECT_CALL(*mcc, HandleTap(TapType::eDoubleTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(0);
+
+ uint64_t blockIds[2];
+ DoubleTapAndCheckStatus(apzc, ScreenIntPoint(10, 10), &blockIds);
+
+ // responses to the two touchstarts
+ apzc->ContentReceivedInputBlock(blockIds[0], true);
+ apzc->ContentReceivedInputBlock(blockIds[1], true);
+
+ apzc->AssertStateIsReset();
+}
+
+// Test for bug 947892
+// We test whether we dispatch tap event when the tap is followed by pinch.
+TEST_F(APZCGestureDetectorTester, TapFollowedByPinch) {
+ MakeApzcZoomable();
+
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(1);
+
+ Tap(apzc, ScreenIntPoint(10, 10), TimeDuration::FromMilliseconds(100));
+
+ int inputId = 0;
+ MultiTouchInput mti;
+ mti = CreateMultiTouchInput(MultiTouchInput::MULTITOUCH_START, mcc->Time());
+ mti.mTouches.AppendElement(SingleTouchData(inputId, ParentLayerPoint(20, 20), ScreenSize(0, 0), 0, 0));
+ mti.mTouches.AppendElement(SingleTouchData(inputId + 1, ParentLayerPoint(10, 10), ScreenSize(0, 0), 0, 0));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ mti = CreateMultiTouchInput(MultiTouchInput::MULTITOUCH_END, mcc->Time());
+ mti.mTouches.AppendElement(SingleTouchData(inputId, ParentLayerPoint(20, 20), ScreenSize(0, 0), 0, 0));
+ mti.mTouches.AppendElement(SingleTouchData(inputId + 1, ParentLayerPoint(10, 10), ScreenSize(0, 0), 0, 0));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ apzc->AssertStateIsReset();
+}
+
+TEST_F(APZCGestureDetectorTester, TapFollowedByMultipleTouches) {
+ MakeApzcZoomable();
+
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(1);
+
+ Tap(apzc, ScreenIntPoint(10, 10), TimeDuration::FromMilliseconds(100));
+
+ int inputId = 0;
+ MultiTouchInput mti;
+ mti = CreateMultiTouchInput(MultiTouchInput::MULTITOUCH_START, mcc->Time());
+ mti.mTouches.AppendElement(SingleTouchData(inputId, ParentLayerPoint(20, 20), ScreenSize(0, 0), 0, 0));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ mti = CreateMultiTouchInput(MultiTouchInput::MULTITOUCH_START, mcc->Time());
+ mti.mTouches.AppendElement(SingleTouchData(inputId, ParentLayerPoint(20, 20), ScreenSize(0, 0), 0, 0));
+ mti.mTouches.AppendElement(SingleTouchData(inputId + 1, ParentLayerPoint(10, 10), ScreenSize(0, 0), 0, 0));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ mti = CreateMultiTouchInput(MultiTouchInput::MULTITOUCH_END, mcc->Time());
+ mti.mTouches.AppendElement(SingleTouchData(inputId, ParentLayerPoint(20, 20), ScreenSize(0, 0), 0, 0));
+ mti.mTouches.AppendElement(SingleTouchData(inputId + 1, ParentLayerPoint(10, 10), ScreenSize(0, 0), 0, 0));
+ apzc->ReceiveInputEvent(mti, nullptr);
+
+ apzc->AssertStateIsReset();
+}
+
+TEST_F(APZCGestureDetectorTester, LongPressInterruptedByWheel) {
+ // Since we try to allow concurrent input blocks of different types to
+ // co-exist, the wheel block shouldn't interrupt the long-press detection.
+ // But more importantly, this shouldn't crash, which is what it did at one
+ // point in time.
+ EXPECT_CALL(*mcc, HandleTap(TapType::eLongTap, _, _, _, _)).Times(1);
+
+ uint64_t touchBlockId = 0;
+ uint64_t wheelBlockId = 0;
+ nsEventStatus status = TouchDown(apzc, ScreenIntPoint(10, 10), mcc->Time(), &touchBlockId);
+ if (gfxPrefs::TouchActionEnabled() && status != nsEventStatus_eConsumeNoDefault) {
+ SetDefaultAllowedTouchBehavior(apzc, touchBlockId);
+ }
+ mcc->AdvanceByMillis(10);
+ Wheel(apzc, ScreenIntPoint(10, 10), ScreenPoint(0, -10), mcc->Time(), &wheelBlockId);
+ EXPECT_NE(touchBlockId, wheelBlockId);
+ mcc->AdvanceByMillis(1000);
+}
+
+TEST_F(APZCGestureDetectorTester, TapTimeoutInterruptedByWheel) {
+ // In this test, even though the wheel block comes right after the tap, the
+ // tap should still be dispatched because it completes fully before the wheel
+ // block arrived.
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, LayoutDevicePoint(10, 10), 0, apzc->GetGuid(), _)).Times(1);
+
+ // We make the APZC zoomable so the gesture detector needs to wait to
+ // distinguish between tap and double-tap. During that timeout is when we
+ // insert the wheel event.
+ MakeApzcZoomable();
+
+ uint64_t touchBlockId = 0;
+ uint64_t wheelBlockId = 0;
+ Tap(apzc, ScreenIntPoint(10, 10), TimeDuration::FromMilliseconds(100),
+ nullptr, &touchBlockId);
+ mcc->AdvanceByMillis(10);
+ Wheel(apzc, ScreenIntPoint(10, 10), ScreenPoint(0, -10), mcc->Time(), &wheelBlockId);
+ EXPECT_NE(touchBlockId, wheelBlockId);
+ while (mcc->RunThroughDelayedTasks());
+}
diff --git a/gfx/layers/apz/test/gtest/TestHitTesting.cpp b/gfx/layers/apz/test/gtest/TestHitTesting.cpp
new file mode 100644
index 000000000..182194208
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/TestHitTesting.cpp
@@ -0,0 +1,578 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "APZCTreeManagerTester.h"
+#include "APZTestCommon.h"
+#include "InputUtils.h"
+
+class APZHitTestingTester : public APZCTreeManagerTester {
+protected:
+ ScreenToParentLayerMatrix4x4 transformToApzc;
+ ParentLayerToScreenMatrix4x4 transformToGecko;
+
+ already_AddRefed<AsyncPanZoomController> GetTargetAPZC(const ScreenPoint& aPoint) {
+ RefPtr<AsyncPanZoomController> hit = manager->GetTargetAPZC(aPoint, nullptr);
+ if (hit) {
+ transformToApzc = manager->GetScreenToApzcTransform(hit.get());
+ transformToGecko = manager->GetApzcToGeckoTransform(hit.get());
+ }
+ return hit.forget();
+ }
+
+protected:
+ void CreateHitTesting1LayerTree() {
+ const char* layerTreeSyntax = "c(tttt)";
+ // LayerID 0 1234
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0,0,100,100)),
+ nsIntRegion(IntRect(0,0,100,100)),
+ nsIntRegion(IntRect(10,10,20,20)),
+ nsIntRegion(IntRect(10,10,20,20)),
+ nsIntRegion(IntRect(5,5,20,20)),
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, nullptr, lm, layers);
+ }
+
+ void CreateHitTesting2LayerTree() {
+ const char* layerTreeSyntax = "c(tc(t))";
+ // LayerID 0 12 3
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0,0,100,100)),
+ nsIntRegion(IntRect(10,10,40,40)),
+ nsIntRegion(IntRect(10,60,40,40)),
+ nsIntRegion(IntRect(10,60,40,40)),
+ };
+ Matrix4x4 transforms[] = {
+ Matrix4x4(),
+ Matrix4x4(),
+ Matrix4x4::Scaling(2, 1, 1),
+ Matrix4x4(),
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, transforms, lm, layers);
+
+ SetScrollableFrameMetrics(root, FrameMetrics::START_SCROLL_ID, CSSRect(0, 0, 200, 200));
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID + 1, CSSRect(0, 0, 80, 80));
+ SetScrollableFrameMetrics(layers[3], FrameMetrics::START_SCROLL_ID + 2, CSSRect(0, 0, 80, 80));
+ }
+
+ void DisableApzOn(Layer* aLayer) {
+ ScrollMetadata m = aLayer->GetScrollMetadata(0);
+ m.SetForceDisableApz(true);
+ aLayer->SetScrollMetadata(m);
+ }
+
+ void CreateComplexMultiLayerTree() {
+ const char* layerTreeSyntax = "c(tc(t)tc(c(t)tt))";
+ // LayerID 0 12 3 45 6 7 89
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0,0,300,400)), // root(0)
+ nsIntRegion(IntRect(0,0,100,100)), // thebes(1) in top-left
+ nsIntRegion(IntRect(50,50,200,300)), // container(2) centered in root(0)
+ nsIntRegion(IntRect(50,50,200,300)), // thebes(3) fully occupying parent container(2)
+ nsIntRegion(IntRect(0,200,100,100)), // thebes(4) in bottom-left
+ nsIntRegion(IntRect(200,0,100,400)), // container(5) along the right 100px of root(0)
+ nsIntRegion(IntRect(200,0,100,200)), // container(6) taking up the top half of parent container(5)
+ nsIntRegion(IntRect(200,0,100,200)), // thebes(7) fully occupying parent container(6)
+ nsIntRegion(IntRect(200,200,100,100)), // thebes(8) in bottom-right (below (6))
+ nsIntRegion(IntRect(200,300,100,100)), // thebes(9) in bottom-right (below (8))
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, nullptr, lm, layers);
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID);
+ SetScrollableFrameMetrics(layers[2], FrameMetrics::START_SCROLL_ID);
+ SetScrollableFrameMetrics(layers[4], FrameMetrics::START_SCROLL_ID + 1);
+ SetScrollableFrameMetrics(layers[6], FrameMetrics::START_SCROLL_ID + 1);
+ SetScrollableFrameMetrics(layers[7], FrameMetrics::START_SCROLL_ID + 2);
+ SetScrollableFrameMetrics(layers[8], FrameMetrics::START_SCROLL_ID + 1);
+ SetScrollableFrameMetrics(layers[9], FrameMetrics::START_SCROLL_ID + 3);
+ }
+
+ void CreateBug1148350LayerTree() {
+ const char* layerTreeSyntax = "c(t)";
+ // LayerID 0 1
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0,0,200,200)),
+ nsIntRegion(IntRect(0,0,200,200)),
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, nullptr, lm, layers);
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID);
+ }
+};
+
+// A simple hit testing test that doesn't involve any transforms on layers.
+TEST_F(APZHitTestingTester, HitTesting1) {
+ CreateHitTesting1LayerTree();
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+
+ // No APZC attached so hit testing will return no APZC at (20,20)
+ RefPtr<AsyncPanZoomController> hit = GetTargetAPZC(ScreenPoint(20, 20));
+ TestAsyncPanZoomController* nullAPZC = nullptr;
+ EXPECT_EQ(nullAPZC, hit.get());
+ EXPECT_EQ(ScreenToParentLayerMatrix4x4(), transformToApzc);
+ EXPECT_EQ(ParentLayerToScreenMatrix4x4(), transformToGecko);
+
+ uint32_t paintSequenceNumber = 0;
+
+ // Now we have a root APZC that will match the page
+ SetScrollableFrameMetrics(root, FrameMetrics::START_SCROLL_ID);
+ manager->UpdateHitTestingTree(0, root, false, 0, paintSequenceNumber++);
+ hit = GetTargetAPZC(ScreenPoint(15, 15));
+ EXPECT_EQ(ApzcOf(root), hit.get());
+ // expect hit point at LayerIntPoint(15, 15)
+ EXPECT_EQ(ParentLayerPoint(15, 15), transformToApzc.TransformPoint(ScreenPoint(15, 15)));
+ EXPECT_EQ(ScreenPoint(15, 15), transformToGecko.TransformPoint(ParentLayerPoint(15, 15)));
+
+ // Now we have a sub APZC with a better fit
+ SetScrollableFrameMetrics(layers[3], FrameMetrics::START_SCROLL_ID + 1);
+ manager->UpdateHitTestingTree(0, root, false, 0, paintSequenceNumber++);
+ EXPECT_NE(ApzcOf(root), ApzcOf(layers[3]));
+ hit = GetTargetAPZC(ScreenPoint(25, 25));
+ EXPECT_EQ(ApzcOf(layers[3]), hit.get());
+ // expect hit point at LayerIntPoint(25, 25)
+ EXPECT_EQ(ParentLayerPoint(25, 25), transformToApzc.TransformPoint(ScreenPoint(25, 25)));
+ EXPECT_EQ(ScreenPoint(25, 25), transformToGecko.TransformPoint(ParentLayerPoint(25, 25)));
+
+ // At this point, layers[4] obscures layers[3] at the point (15, 15) so
+ // hitting there should hit the root APZC
+ hit = GetTargetAPZC(ScreenPoint(15, 15));
+ EXPECT_EQ(ApzcOf(root), hit.get());
+
+ // Now test hit testing when we have two scrollable layers
+ SetScrollableFrameMetrics(layers[4], FrameMetrics::START_SCROLL_ID + 2);
+ manager->UpdateHitTestingTree(0, root, false, 0, paintSequenceNumber++);
+ hit = GetTargetAPZC(ScreenPoint(15, 15));
+ EXPECT_EQ(ApzcOf(layers[4]), hit.get());
+ // expect hit point at LayerIntPoint(15, 15)
+ EXPECT_EQ(ParentLayerPoint(15, 15), transformToApzc.TransformPoint(ScreenPoint(15, 15)));
+ EXPECT_EQ(ScreenPoint(15, 15), transformToGecko.TransformPoint(ParentLayerPoint(15, 15)));
+
+ // Hit test ouside the reach of layer[3,4] but inside root
+ hit = GetTargetAPZC(ScreenPoint(90, 90));
+ EXPECT_EQ(ApzcOf(root), hit.get());
+ // expect hit point at LayerIntPoint(90, 90)
+ EXPECT_EQ(ParentLayerPoint(90, 90), transformToApzc.TransformPoint(ScreenPoint(90, 90)));
+ EXPECT_EQ(ScreenPoint(90, 90), transformToGecko.TransformPoint(ParentLayerPoint(90, 90)));
+
+ // Hit test ouside the reach of any layer
+ hit = GetTargetAPZC(ScreenPoint(1000, 10));
+ EXPECT_EQ(nullAPZC, hit.get());
+ EXPECT_EQ(ScreenToParentLayerMatrix4x4(), transformToApzc);
+ EXPECT_EQ(ParentLayerToScreenMatrix4x4(), transformToGecko);
+ hit = GetTargetAPZC(ScreenPoint(-1000, 10));
+ EXPECT_EQ(nullAPZC, hit.get());
+ EXPECT_EQ(ScreenToParentLayerMatrix4x4(), transformToApzc);
+ EXPECT_EQ(ParentLayerToScreenMatrix4x4(), transformToGecko);
+}
+
+// A more involved hit testing test that involves css and async transforms.
+TEST_F(APZHitTestingTester, HitTesting2) {
+ SCOPED_GFX_PREF(APZVelocityBias, float, 0.0); // Velocity bias can cause extra repaint requests
+
+ CreateHitTesting2LayerTree();
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+
+ // At this point, the following holds (all coordinates in screen pixels):
+ // layers[0] has content from (0,0)-(200,200), clipped by composition bounds (0,0)-(100,100)
+ // layers[1] has content from (10,10)-(90,90), clipped by composition bounds (10,10)-(50,50)
+ // layers[2] has content from (20,60)-(100,100). no clipping as it's not a scrollable layer
+ // layers[3] has content from (20,60)-(180,140), clipped by composition bounds (20,60)-(100,100)
+
+ TestAsyncPanZoomController* apzcroot = ApzcOf(root);
+ TestAsyncPanZoomController* apzc1 = ApzcOf(layers[1]);
+ TestAsyncPanZoomController* apzc3 = ApzcOf(layers[3]);
+
+ // Hit an area that's clearly on the root layer but not any of the child layers.
+ RefPtr<AsyncPanZoomController> hit = GetTargetAPZC(ScreenPoint(75, 25));
+ EXPECT_EQ(apzcroot, hit.get());
+ EXPECT_EQ(ParentLayerPoint(75, 25), transformToApzc.TransformPoint(ScreenPoint(75, 25)));
+ EXPECT_EQ(ScreenPoint(75, 25), transformToGecko.TransformPoint(ParentLayerPoint(75, 25)));
+
+ // Hit an area on the root that would be on layers[3] if layers[2]
+ // weren't transformed.
+ // Note that if layers[2] were scrollable, then this would hit layers[2]
+ // because its composition bounds would be at (10,60)-(50,100) (and the
+ // scale-only transform that we set on layers[2] would be invalid because
+ // it would place the layer into overscroll, as its composition bounds
+ // start at x=10 but its content at x=20).
+ hit = GetTargetAPZC(ScreenPoint(15, 75));
+ EXPECT_EQ(apzcroot, hit.get());
+ EXPECT_EQ(ParentLayerPoint(15, 75), transformToApzc.TransformPoint(ScreenPoint(15, 75)));
+ EXPECT_EQ(ScreenPoint(15, 75), transformToGecko.TransformPoint(ParentLayerPoint(15, 75)));
+
+ // Hit an area on layers[1].
+ hit = GetTargetAPZC(ScreenPoint(25, 25));
+ EXPECT_EQ(apzc1, hit.get());
+ EXPECT_EQ(ParentLayerPoint(25, 25), transformToApzc.TransformPoint(ScreenPoint(25, 25)));
+ EXPECT_EQ(ScreenPoint(25, 25), transformToGecko.TransformPoint(ParentLayerPoint(25, 25)));
+
+ // Hit an area on layers[3].
+ hit = GetTargetAPZC(ScreenPoint(25, 75));
+ EXPECT_EQ(apzc3, hit.get());
+ // transformToApzc should unapply layers[2]'s transform
+ EXPECT_EQ(ParentLayerPoint(12.5, 75), transformToApzc.TransformPoint(ScreenPoint(25, 75)));
+ // and transformToGecko should reapply it
+ EXPECT_EQ(ScreenPoint(25, 75), transformToGecko.TransformPoint(ParentLayerPoint(12.5, 75)));
+
+ // Hit an area on layers[3] that would be on the root if layers[2]
+ // weren't transformed.
+ hit = GetTargetAPZC(ScreenPoint(75, 75));
+ EXPECT_EQ(apzc3, hit.get());
+ // transformToApzc should unapply layers[2]'s transform
+ EXPECT_EQ(ParentLayerPoint(37.5, 75), transformToApzc.TransformPoint(ScreenPoint(75, 75)));
+ // and transformToGecko should reapply it
+ EXPECT_EQ(ScreenPoint(75, 75), transformToGecko.TransformPoint(ParentLayerPoint(37.5, 75)));
+
+ // Pan the root layer upward by 50 pixels.
+ // This causes layers[1] to scroll out of view, and an async transform
+ // of -50 to be set on the root layer.
+ EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(1);
+
+ // This first pan will move the APZC by 50 pixels, and dispatch a paint request.
+ // Since this paint request is in the queue to Gecko, transformToGecko will
+ // take it into account.
+ ApzcPanNoFling(apzcroot, 100, 50);
+
+ // Hit where layers[3] used to be. It should now hit the root.
+ hit = GetTargetAPZC(ScreenPoint(75, 75));
+ EXPECT_EQ(apzcroot, hit.get());
+ // transformToApzc doesn't unapply the root's own async transform
+ EXPECT_EQ(ParentLayerPoint(75, 75), transformToApzc.TransformPoint(ScreenPoint(75, 75)));
+ // and transformToGecko unapplies it and then reapplies it, because by the
+ // time the event being transformed reaches Gecko the new paint request will
+ // have been handled.
+ EXPECT_EQ(ScreenPoint(75, 75), transformToGecko.TransformPoint(ParentLayerPoint(75, 75)));
+
+ // Hit where layers[1] used to be and where layers[3] should now be.
+ hit = GetTargetAPZC(ScreenPoint(25, 25));
+ EXPECT_EQ(apzc3, hit.get());
+ // transformToApzc unapplies both layers[2]'s css transform and the root's
+ // async transform
+ EXPECT_EQ(ParentLayerPoint(12.5, 75), transformToApzc.TransformPoint(ScreenPoint(25, 25)));
+ // transformToGecko reapplies both the css transform and the async transform
+ // because we have already issued a paint request with it.
+ EXPECT_EQ(ScreenPoint(25, 25), transformToGecko.TransformPoint(ParentLayerPoint(12.5, 75)));
+
+ // This second pan will move the APZC by another 50 pixels.
+ EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(1);
+ ApzcPanNoFling(apzcroot, 100, 50);
+
+ // Hit where layers[3] used to be. It should now hit the root.
+ hit = GetTargetAPZC(ScreenPoint(75, 75));
+ EXPECT_EQ(apzcroot, hit.get());
+ // transformToApzc doesn't unapply the root's own async transform
+ EXPECT_EQ(ParentLayerPoint(75, 75), transformToApzc.TransformPoint(ScreenPoint(75, 75)));
+ // transformToGecko unapplies the full async transform of -100 pixels
+ EXPECT_EQ(ScreenPoint(75, 75), transformToGecko.TransformPoint(ParentLayerPoint(75, 75)));
+
+ // Hit where layers[1] used to be. It should now hit the root.
+ hit = GetTargetAPZC(ScreenPoint(25, 25));
+ EXPECT_EQ(apzcroot, hit.get());
+ // transformToApzc doesn't unapply the root's own async transform
+ EXPECT_EQ(ParentLayerPoint(25, 25), transformToApzc.TransformPoint(ScreenPoint(25, 25)));
+ // transformToGecko unapplies the full async transform of -100 pixels
+ EXPECT_EQ(ScreenPoint(25, 25), transformToGecko.TransformPoint(ParentLayerPoint(25, 25)));
+}
+
+TEST_F(APZHitTestingTester, ComplexMultiLayerTree) {
+ CreateComplexMultiLayerTree();
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+
+ /* The layer tree looks like this:
+
+ 0
+ |----|--+--|----|
+ 1 2 4 5
+ | /|\
+ 3 6 8 9
+ |
+ 7
+
+ Layers 1,2 have the same APZC
+ Layers 4,6,8 have the same APZC
+ Layer 7 has an APZC
+ Layer 9 has an APZC
+ */
+
+ TestAsyncPanZoomController* nullAPZC = nullptr;
+ // Ensure all the scrollable layers have an APZC
+ EXPECT_FALSE(layers[0]->HasScrollableFrameMetrics());
+ EXPECT_NE(nullAPZC, ApzcOf(layers[1]));
+ EXPECT_NE(nullAPZC, ApzcOf(layers[2]));
+ EXPECT_FALSE(layers[3]->HasScrollableFrameMetrics());
+ EXPECT_NE(nullAPZC, ApzcOf(layers[4]));
+ EXPECT_FALSE(layers[5]->HasScrollableFrameMetrics());
+ EXPECT_NE(nullAPZC, ApzcOf(layers[6]));
+ EXPECT_NE(nullAPZC, ApzcOf(layers[7]));
+ EXPECT_NE(nullAPZC, ApzcOf(layers[8]));
+ EXPECT_NE(nullAPZC, ApzcOf(layers[9]));
+ // Ensure those that scroll together have the same APZCs
+ EXPECT_EQ(ApzcOf(layers[1]), ApzcOf(layers[2]));
+ EXPECT_EQ(ApzcOf(layers[4]), ApzcOf(layers[6]));
+ EXPECT_EQ(ApzcOf(layers[8]), ApzcOf(layers[6]));
+ // Ensure those that don't scroll together have different APZCs
+ EXPECT_NE(ApzcOf(layers[1]), ApzcOf(layers[4]));
+ EXPECT_NE(ApzcOf(layers[1]), ApzcOf(layers[7]));
+ EXPECT_NE(ApzcOf(layers[1]), ApzcOf(layers[9]));
+ EXPECT_NE(ApzcOf(layers[4]), ApzcOf(layers[7]));
+ EXPECT_NE(ApzcOf(layers[4]), ApzcOf(layers[9]));
+ EXPECT_NE(ApzcOf(layers[7]), ApzcOf(layers[9]));
+ // Ensure the APZC parent chains are set up correctly
+ TestAsyncPanZoomController* layers1_2 = ApzcOf(layers[1]);
+ TestAsyncPanZoomController* layers4_6_8 = ApzcOf(layers[4]);
+ TestAsyncPanZoomController* layer7 = ApzcOf(layers[7]);
+ TestAsyncPanZoomController* layer9 = ApzcOf(layers[9]);
+ EXPECT_EQ(nullptr, layers1_2->GetParent());
+ EXPECT_EQ(nullptr, layers4_6_8->GetParent());
+ EXPECT_EQ(layers4_6_8, layer7->GetParent());
+ EXPECT_EQ(nullptr, layer9->GetParent());
+ // Ensure the hit-testing tree looks like the layer tree
+ RefPtr<HitTestingTreeNode> root = manager->GetRootNode();
+ RefPtr<HitTestingTreeNode> node5 = root->GetLastChild();
+ RefPtr<HitTestingTreeNode> node4 = node5->GetPrevSibling();
+ RefPtr<HitTestingTreeNode> node2 = node4->GetPrevSibling();
+ RefPtr<HitTestingTreeNode> node1 = node2->GetPrevSibling();
+ RefPtr<HitTestingTreeNode> node3 = node2->GetLastChild();
+ RefPtr<HitTestingTreeNode> node9 = node5->GetLastChild();
+ RefPtr<HitTestingTreeNode> node8 = node9->GetPrevSibling();
+ RefPtr<HitTestingTreeNode> node6 = node8->GetPrevSibling();
+ RefPtr<HitTestingTreeNode> node7 = node6->GetLastChild();
+ EXPECT_EQ(nullptr, node1->GetPrevSibling());
+ EXPECT_EQ(nullptr, node3->GetPrevSibling());
+ EXPECT_EQ(nullptr, node6->GetPrevSibling());
+ EXPECT_EQ(nullptr, node7->GetPrevSibling());
+ EXPECT_EQ(nullptr, node1->GetLastChild());
+ EXPECT_EQ(nullptr, node3->GetLastChild());
+ EXPECT_EQ(nullptr, node4->GetLastChild());
+ EXPECT_EQ(nullptr, node7->GetLastChild());
+ EXPECT_EQ(nullptr, node8->GetLastChild());
+ EXPECT_EQ(nullptr, node9->GetLastChild());
+
+ RefPtr<AsyncPanZoomController> hit = GetTargetAPZC(ScreenPoint(25, 25));
+ EXPECT_EQ(ApzcOf(layers[1]), hit.get());
+ hit = GetTargetAPZC(ScreenPoint(275, 375));
+ EXPECT_EQ(ApzcOf(layers[9]), hit.get());
+ hit = GetTargetAPZC(ScreenPoint(250, 100));
+ EXPECT_EQ(ApzcOf(layers[7]), hit.get());
+}
+
+TEST_F(APZHitTestingTester, TestRepaintFlushOnNewInputBlock) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, false);
+
+ // The main purpose of this test is to verify that touch-start events (or anything
+ // that starts a new input block) don't ever get untransformed. This should always
+ // hold because the APZ code should flush repaints when we start a new input block
+ // and the transform to gecko space should be empty.
+
+ CreateSimpleScrollingLayer();
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ TestAsyncPanZoomController* apzcroot = ApzcOf(root);
+
+ // At this point, the following holds (all coordinates in screen pixels):
+ // layers[0] has content from (0,0)-(500,500), clipped by composition bounds (0,0)-(200,200)
+
+ MockFunction<void(std::string checkPointName)> check;
+
+ {
+ InSequence s;
+
+ EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(AtLeast(1));
+ EXPECT_CALL(check, Call("post-first-touch-start"));
+ EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(AtLeast(1));
+ EXPECT_CALL(check, Call("post-second-fling"));
+ EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(AtLeast(1));
+ EXPECT_CALL(check, Call("post-second-touch-start"));
+ }
+
+ // This first pan will move the APZC by 50 pixels, and dispatch a paint request.
+ ApzcPanNoFling(apzcroot, 100, 50);
+
+ // Verify that a touch start doesn't get untransformed
+ ScreenIntPoint touchPoint(50, 50);
+ MultiTouchInput mti = CreateMultiTouchInput(MultiTouchInput::MULTITOUCH_START, mcc->Time());
+ mti.mTouches.AppendElement(SingleTouchData(0, touchPoint, ScreenSize(0, 0), 0, 0));
+
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, manager->ReceiveInputEvent(mti, nullptr, nullptr));
+ EXPECT_EQ(touchPoint, mti.mTouches[0].mScreenPoint);
+ check.Call("post-first-touch-start");
+
+ // Send a touchend to clear state
+ mti.mType = MultiTouchInput::MULTITOUCH_END;
+ manager->ReceiveInputEvent(mti, nullptr, nullptr);
+
+ mcc->AdvanceByMillis(1000);
+
+ // Now do two pans. The first of these will dispatch a repaint request, as above.
+ // The second will get stuck in the paint throttler because the first one doesn't
+ // get marked as "completed", so this will result in a non-empty LD transform.
+ // (Note that any outstanding repaint requests from the first half of this test
+ // don't impact this half because we advance the time by 1 second, which will trigger
+ // the max-wait-exceeded codepath in the paint throttler).
+ ApzcPanNoFling(apzcroot, 100, 50);
+ check.Call("post-second-fling");
+ ApzcPanNoFling(apzcroot, 100, 50);
+
+ // Ensure that a touch start again doesn't get untransformed by flushing
+ // a repaint
+ mti.mType = MultiTouchInput::MULTITOUCH_START;
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, manager->ReceiveInputEvent(mti, nullptr, nullptr));
+ EXPECT_EQ(touchPoint, mti.mTouches[0].mScreenPoint);
+ check.Call("post-second-touch-start");
+
+ mti.mType = MultiTouchInput::MULTITOUCH_END;
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, manager->ReceiveInputEvent(mti, nullptr, nullptr));
+ EXPECT_EQ(touchPoint, mti.mTouches[0].mScreenPoint);
+}
+
+TEST_F(APZHitTestingTester, TestRepaintFlushOnWheelEvents) {
+ // The purpose of this test is to ensure that wheel events trigger a repaint
+ // flush as per bug 1166871, and that the wheel event untransform is a no-op.
+
+ CreateSimpleScrollingLayer();
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ TestAsyncPanZoomController* apzcroot = ApzcOf(root);
+
+ EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(AtLeast(3));
+ ScreenPoint origin(100, 50);
+ for (int i = 0; i < 3; i++) {
+ ScrollWheelInput swi(MillisecondsSinceStartup(mcc->Time()), mcc->Time(), 0,
+ ScrollWheelInput::SCROLLMODE_INSTANT, ScrollWheelInput::SCROLLDELTA_PIXEL,
+ origin, 0, 10, false);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, manager->ReceiveInputEvent(swi, nullptr, nullptr));
+ EXPECT_EQ(origin, swi.mOrigin);
+
+ AsyncTransform viewTransform;
+ ParentLayerPoint point;
+ apzcroot->SampleContentTransformForFrame(&viewTransform, point);
+ EXPECT_EQ(0, point.x);
+ EXPECT_EQ((i + 1) * 10, point.y);
+ EXPECT_EQ(0, viewTransform.mTranslation.x);
+ EXPECT_EQ((i + 1) * -10, viewTransform.mTranslation.y);
+
+ mcc->AdvanceByMillis(5);
+ }
+}
+
+TEST_F(APZHitTestingTester, TestForceDisableApz) {
+ CreateSimpleScrollingLayer();
+ DisableApzOn(root);
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ TestAsyncPanZoomController* apzcroot = ApzcOf(root);
+
+ ScreenPoint origin(100, 50);
+ ScrollWheelInput swi(MillisecondsSinceStartup(mcc->Time()), mcc->Time(), 0,
+ ScrollWheelInput::SCROLLMODE_INSTANT, ScrollWheelInput::SCROLLDELTA_PIXEL,
+ origin, 0, 10, false);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, manager->ReceiveInputEvent(swi, nullptr, nullptr));
+ EXPECT_EQ(origin, swi.mOrigin);
+
+ AsyncTransform viewTransform;
+ ParentLayerPoint point;
+ apzcroot->SampleContentTransformForFrame(&viewTransform, point);
+ // Since APZ is force-disabled, we expect to see the async transform via
+ // the NORMAL AsyncMode, but not via the RESPECT_FORCE_DISABLE AsyncMode.
+ EXPECT_EQ(0, point.x);
+ EXPECT_EQ(10, point.y);
+ EXPECT_EQ(0, viewTransform.mTranslation.x);
+ EXPECT_EQ(-10, viewTransform.mTranslation.y);
+ viewTransform = apzcroot->GetCurrentAsyncTransform(AsyncPanZoomController::RESPECT_FORCE_DISABLE);
+ point = apzcroot->GetCurrentAsyncScrollOffset(AsyncPanZoomController::RESPECT_FORCE_DISABLE);
+ EXPECT_EQ(0, point.x);
+ EXPECT_EQ(0, point.y);
+ EXPECT_EQ(0, viewTransform.mTranslation.x);
+ EXPECT_EQ(0, viewTransform.mTranslation.y);
+
+ mcc->AdvanceByMillis(10);
+
+ // With untransforming events we should get normal behaviour (in this case,
+ // no noticeable untransform, because the repaint request already got
+ // flushed).
+ swi = ScrollWheelInput(MillisecondsSinceStartup(mcc->Time()), mcc->Time(), 0,
+ ScrollWheelInput::SCROLLMODE_INSTANT, ScrollWheelInput::SCROLLDELTA_PIXEL,
+ origin, 0, 0, false);
+ EXPECT_EQ(nsEventStatus_eConsumeDoDefault, manager->ReceiveInputEvent(swi, nullptr, nullptr));
+ EXPECT_EQ(origin, swi.mOrigin);
+}
+
+TEST_F(APZHitTestingTester, Bug1148350) {
+ CreateBug1148350LayerTree();
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+
+ MockFunction<void(std::string checkPointName)> check;
+ {
+ InSequence s;
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, LayoutDevicePoint(100, 100), 0, ApzcOf(layers[1])->GetGuid(), _)).Times(1);
+ EXPECT_CALL(check, Call("Tapped without transform"));
+ EXPECT_CALL(*mcc, HandleTap(TapType::eSingleTap, LayoutDevicePoint(100, 100), 0, ApzcOf(layers[1])->GetGuid(), _)).Times(1);
+ EXPECT_CALL(check, Call("Tapped with interleaved transform"));
+ }
+
+ Tap(manager, ScreenIntPoint(100, 100), TimeDuration::FromMilliseconds(100));
+ mcc->RunThroughDelayedTasks();
+ check.Call("Tapped without transform");
+
+ uint64_t blockId;
+ TouchDown(manager, ScreenIntPoint(100, 100), mcc->Time(), &blockId);
+ if (gfxPrefs::TouchActionEnabled()) {
+ SetDefaultAllowedTouchBehavior(manager, blockId);
+ }
+ mcc->AdvanceByMillis(100);
+
+ layers[0]->SetVisibleRegion(LayerIntRegion(LayerIntRect(0,50,200,150)));
+ layers[0]->SetBaseTransform(Matrix4x4::Translation(0, 50, 0));
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+
+ TouchUp(manager, ScreenIntPoint(100, 100), mcc->Time());
+ mcc->RunThroughDelayedTasks();
+ check.Call("Tapped with interleaved transform");
+}
+
+TEST_F(APZHitTestingTester, HitTestingRespectsScrollClip_Bug1257288) {
+ // Create the layer tree.
+ const char* layerTreeSyntax = "c(tt)";
+ // LayerID 0 12
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0,0,200,200)),
+ nsIntRegion(IntRect(0,0,200,200)),
+ nsIntRegion(IntRect(0,0,200,100))
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, nullptr, lm, layers);
+
+ // Add root scroll metadata to the first painted layer.
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID, CSSRect(0,0,200,200));
+
+ // Add root and subframe scroll metadata to the second painted layer.
+ // Give the subframe metadata a scroll clip corresponding to the subframe's
+ // composition bounds.
+ // Importantly, give the layer a layer clip which leaks outside of the
+ // subframe's composition bounds.
+ ScrollMetadata rootMetadata = BuildScrollMetadata(
+ FrameMetrics::START_SCROLL_ID, CSSRect(0,0,200,200),
+ ParentLayerRect(0,0,200,200));
+ ScrollMetadata subframeMetadata = BuildScrollMetadata(
+ FrameMetrics::START_SCROLL_ID + 1, CSSRect(0,0,200,200),
+ ParentLayerRect(0,0,200,100));
+ subframeMetadata.SetScrollClip(Some(LayerClip(ParentLayerIntRect(0,0,200,100))));
+ layers[2]->SetScrollMetadata({subframeMetadata, rootMetadata});
+ layers[2]->SetClipRect(Some(ParentLayerIntRect(0,0,200,200)));
+ SetEventRegionsBasedOnBottommostMetrics(layers[2]);
+
+ // Build the hit testing tree.
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+
+ // Pan on a region that's inside layers[2]'s layer clip, but outside
+ // its subframe metadata's scroll clip.
+ Pan(manager, 120, 110);
+
+ // Test that the subframe hasn't scrolled.
+ EXPECT_EQ(CSSPoint(0,0), ApzcOf(layers[2], 0)->GetFrameMetrics().GetScrollOffset());
+}
diff --git a/gfx/layers/apz/test/gtest/TestInputQueue.cpp b/gfx/layers/apz/test/gtest/TestInputQueue.cpp
new file mode 100644
index 000000000..d05b6d66e
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/TestInputQueue.cpp
@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "APZCTreeManagerTester.h"
+#include "APZTestCommon.h"
+#include "InputUtils.h"
+
+// Test of scenario described in bug 1269067 - that a continuing mouse drag
+// doesn't interrupt a wheel scrolling animation
+TEST_F(APZCTreeManagerTester, WheelInterruptedByMouseDrag) {
+ // Set up a scrollable layer
+ CreateSimpleScrollingLayer();
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ RefPtr<TestAsyncPanZoomController> apzc = ApzcOf(root);
+
+ uint64_t dragBlockId = 0;
+ uint64_t wheelBlockId = 0;
+ uint64_t tmpBlockId = 0;
+
+ // First start the mouse drag
+ MouseDown(apzc, ScreenIntPoint(5, 5), mcc->Time(), &dragBlockId);
+ MouseMove(apzc, ScreenIntPoint(6, 6), mcc->Time(), &tmpBlockId);
+ EXPECT_EQ(dragBlockId, tmpBlockId);
+
+ // Insert the wheel event, check that it has a new block id
+ SmoothWheel(apzc, ScreenIntPoint(6, 6), ScreenPoint(0, 1), mcc->Time(), &wheelBlockId);
+ EXPECT_NE(dragBlockId, wheelBlockId);
+
+ // Continue the drag, check that the block id is the same as before
+ MouseMove(apzc, ScreenIntPoint(7, 5), mcc->Time(), &tmpBlockId);
+ EXPECT_EQ(dragBlockId, tmpBlockId);
+
+ // Finish the wheel animation
+ apzc->AdvanceAnimationsUntilEnd();
+
+ // Check that it scrolled
+ ParentLayerPoint scroll = apzc->GetCurrentAsyncScrollOffset(AsyncPanZoomController::NORMAL);
+ EXPECT_EQ(scroll.x, 0);
+ EXPECT_EQ(scroll.y, 10); // We scrolled 1 "line" or 10 pixels
+}
diff --git a/gfx/layers/apz/test/gtest/TestPanning.cpp b/gfx/layers/apz/test/gtest/TestPanning.cpp
new file mode 100644
index 000000000..3ee19a58d
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/TestPanning.cpp
@@ -0,0 +1,128 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "APZCBasicTester.h"
+#include "APZTestCommon.h"
+#include "InputUtils.h"
+
+class APZCPanningTester : public APZCBasicTester {
+protected:
+ void DoPanTest(bool aShouldTriggerScroll, bool aShouldBeConsumed, uint32_t aBehavior)
+ {
+ if (aShouldTriggerScroll) {
+ // One repaint request for each pan.
+ EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(2);
+ } else {
+ EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(0);
+ }
+
+ int touchStart = 50;
+ int touchEnd = 10;
+ ParentLayerPoint pointOut;
+ AsyncTransform viewTransformOut;
+
+ nsTArray<uint32_t> allowedTouchBehaviors;
+ allowedTouchBehaviors.AppendElement(aBehavior);
+
+ // Pan down
+ PanAndCheckStatus(apzc, touchStart, touchEnd, aShouldBeConsumed, &allowedTouchBehaviors);
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+
+ if (aShouldTriggerScroll) {
+ EXPECT_EQ(ParentLayerPoint(0, -(touchEnd-touchStart)), pointOut);
+ EXPECT_NE(AsyncTransform(), viewTransformOut);
+ } else {
+ EXPECT_EQ(ParentLayerPoint(), pointOut);
+ EXPECT_EQ(AsyncTransform(), viewTransformOut);
+ }
+
+ // Clear the fling from the previous pan, or stopping it will
+ // consume the next touchstart
+ apzc->CancelAnimation();
+
+ // Pan back
+ PanAndCheckStatus(apzc, touchEnd, touchStart, aShouldBeConsumed, &allowedTouchBehaviors);
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+
+ EXPECT_EQ(ParentLayerPoint(), pointOut);
+ EXPECT_EQ(AsyncTransform(), viewTransformOut);
+ }
+
+ void DoPanWithPreventDefaultTest()
+ {
+ MakeApzcWaitForMainThread();
+
+ int touchStart = 50;
+ int touchEnd = 10;
+ ParentLayerPoint pointOut;
+ AsyncTransform viewTransformOut;
+ uint64_t blockId = 0;
+
+ // Pan down
+ nsTArray<uint32_t> allowedTouchBehaviors;
+ allowedTouchBehaviors.AppendElement(mozilla::layers::AllowedTouchBehavior::VERTICAL_PAN);
+ PanAndCheckStatus(apzc, touchStart, touchEnd, true, &allowedTouchBehaviors, &blockId);
+
+ // Send the signal that content has handled and preventDefaulted the touch
+ // events. This flushes the event queue.
+ apzc->ContentReceivedInputBlock(blockId, true);
+
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+ EXPECT_EQ(ParentLayerPoint(), pointOut);
+ EXPECT_EQ(AsyncTransform(), viewTransformOut);
+
+ apzc->AssertStateIsReset();
+ }
+};
+
+TEST_F(APZCPanningTester, Pan) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, false);
+ SCOPED_GFX_PREF(APZVelocityBias, float, 0.0); // Velocity bias can cause extra repaint requests
+ DoPanTest(true, true, mozilla::layers::AllowedTouchBehavior::NONE);
+}
+
+// In the each of the following 4 pan tests we are performing two pan gestures: vertical pan from top
+// to bottom and back - from bottom to top.
+// According to the pointer-events/touch-action spec AUTO and PAN_Y touch-action values allow vertical
+// scrolling while NONE and PAN_X forbid it. The first parameter of DoPanTest method specifies this
+// behavior.
+// However, the events will be marked as consumed even if the behavior in PAN_X, because the user could
+// move their finger horizontally too - APZ has no way of knowing beforehand and so must consume the
+// events.
+TEST_F(APZCPanningTester, PanWithTouchActionAuto) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, true);
+ SCOPED_GFX_PREF(APZVelocityBias, float, 0.0); // Velocity bias can cause extra repaint requests
+ DoPanTest(true, true, mozilla::layers::AllowedTouchBehavior::HORIZONTAL_PAN
+ | mozilla::layers::AllowedTouchBehavior::VERTICAL_PAN);
+}
+
+TEST_F(APZCPanningTester, PanWithTouchActionNone) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, true);
+ SCOPED_GFX_PREF(APZVelocityBias, float, 0.0); // Velocity bias can cause extra repaint requests
+ DoPanTest(false, false, 0);
+}
+
+TEST_F(APZCPanningTester, PanWithTouchActionPanX) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, true);
+ SCOPED_GFX_PREF(APZVelocityBias, float, 0.0); // Velocity bias can cause extra repaint requests
+ DoPanTest(false, true, mozilla::layers::AllowedTouchBehavior::HORIZONTAL_PAN);
+}
+
+TEST_F(APZCPanningTester, PanWithTouchActionPanY) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, true);
+ SCOPED_GFX_PREF(APZVelocityBias, float, 0.0); // Velocity bias can cause extra repaint requests
+ DoPanTest(true, true, mozilla::layers::AllowedTouchBehavior::VERTICAL_PAN);
+}
+
+TEST_F(APZCPanningTester, PanWithPreventDefaultAndTouchAction) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, true);
+ DoPanWithPreventDefaultTest();
+}
+
+TEST_F(APZCPanningTester, PanWithPreventDefault) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, false);
+ DoPanWithPreventDefaultTest();
+}
diff --git a/gfx/layers/apz/test/gtest/TestPinching.cpp b/gfx/layers/apz/test/gtest/TestPinching.cpp
new file mode 100644
index 000000000..54fb7a757
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/TestPinching.cpp
@@ -0,0 +1,294 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "APZCBasicTester.h"
+#include "APZTestCommon.h"
+#include "InputUtils.h"
+
+class APZCPinchTester : public APZCBasicTester {
+public:
+ explicit APZCPinchTester(AsyncPanZoomController::GestureBehavior aGestureBehavior = AsyncPanZoomController::DEFAULT_GESTURES)
+ : APZCBasicTester(aGestureBehavior)
+ {
+ }
+
+protected:
+ FrameMetrics GetPinchableFrameMetrics()
+ {
+ FrameMetrics fm;
+ fm.SetCompositionBounds(ParentLayerRect(200, 200, 100, 200));
+ fm.SetScrollableRect(CSSRect(0, 0, 980, 1000));
+ fm.SetScrollOffset(CSSPoint(300, 300));
+ fm.SetZoom(CSSToParentLayerScale2D(2.0, 2.0));
+ // APZC only allows zooming on the root scrollable frame.
+ fm.SetIsRootContent(true);
+ // the visible area of the document in CSS pixels is x=300 y=300 w=50 h=100
+ return fm;
+ }
+
+ void DoPinchTest(bool aShouldTriggerPinch,
+ nsTArray<uint32_t> *aAllowedTouchBehaviors = nullptr)
+ {
+ apzc->SetFrameMetrics(GetPinchableFrameMetrics());
+ MakeApzcZoomable();
+
+ if (aShouldTriggerPinch) {
+ // One repaint request for each gesture.
+ EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(2);
+ } else {
+ EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(0);
+ }
+
+ int touchInputId = 0;
+ if (mGestureBehavior == AsyncPanZoomController::USE_GESTURE_DETECTOR) {
+ PinchWithTouchInputAndCheckStatus(apzc, ScreenIntPoint(250, 300), 1.25,
+ touchInputId, aShouldTriggerPinch, aAllowedTouchBehaviors);
+ } else {
+ PinchWithPinchInputAndCheckStatus(apzc, ScreenIntPoint(250, 300), 1.25,
+ aShouldTriggerPinch);
+ }
+
+ FrameMetrics fm = apzc->GetFrameMetrics();
+
+ if (aShouldTriggerPinch) {
+ // the visible area of the document in CSS pixels is now x=305 y=310 w=40 h=80
+ EXPECT_EQ(2.5f, fm.GetZoom().ToScaleFactor().scale);
+ EXPECT_EQ(305, fm.GetScrollOffset().x);
+ EXPECT_EQ(310, fm.GetScrollOffset().y);
+ } else {
+ // The frame metrics should stay the same since touch-action:none makes
+ // apzc ignore pinch gestures.
+ EXPECT_EQ(2.0f, fm.GetZoom().ToScaleFactor().scale);
+ EXPECT_EQ(300, fm.GetScrollOffset().x);
+ EXPECT_EQ(300, fm.GetScrollOffset().y);
+ }
+
+ // part 2 of the test, move to the top-right corner of the page and pinch and
+ // make sure we stay in the correct spot
+ fm.SetZoom(CSSToParentLayerScale2D(2.0, 2.0));
+ fm.SetScrollOffset(CSSPoint(930, 5));
+ apzc->SetFrameMetrics(fm);
+ // the visible area of the document in CSS pixels is x=930 y=5 w=50 h=100
+
+ if (mGestureBehavior == AsyncPanZoomController::USE_GESTURE_DETECTOR) {
+ PinchWithTouchInputAndCheckStatus(apzc, ScreenIntPoint(250, 300), 0.5,
+ touchInputId, aShouldTriggerPinch, aAllowedTouchBehaviors);
+ } else {
+ PinchWithPinchInputAndCheckStatus(apzc, ScreenIntPoint(250, 300), 0.5,
+ aShouldTriggerPinch);
+ }
+
+ fm = apzc->GetFrameMetrics();
+
+ if (aShouldTriggerPinch) {
+ // the visible area of the document in CSS pixels is now x=880 y=0 w=100 h=200
+ EXPECT_EQ(1.0f, fm.GetZoom().ToScaleFactor().scale);
+ EXPECT_EQ(880, fm.GetScrollOffset().x);
+ EXPECT_EQ(0, fm.GetScrollOffset().y);
+ } else {
+ EXPECT_EQ(2.0f, fm.GetZoom().ToScaleFactor().scale);
+ EXPECT_EQ(930, fm.GetScrollOffset().x);
+ EXPECT_EQ(5, fm.GetScrollOffset().y);
+ }
+ }
+};
+
+class APZCPinchGestureDetectorTester : public APZCPinchTester {
+public:
+ APZCPinchGestureDetectorTester()
+ : APZCPinchTester(AsyncPanZoomController::USE_GESTURE_DETECTOR)
+ {
+ }
+
+ void DoPinchWithPreventDefaultTest() {
+ FrameMetrics originalMetrics = GetPinchableFrameMetrics();
+ apzc->SetFrameMetrics(originalMetrics);
+
+ MakeApzcWaitForMainThread();
+ MakeApzcZoomable();
+
+ int touchInputId = 0;
+ uint64_t blockId = 0;
+ PinchWithTouchInput(apzc, ScreenIntPoint(250, 300), 1.25, touchInputId,
+ nullptr, nullptr, &blockId);
+
+ // Send the prevent-default notification for the touch block
+ apzc->ContentReceivedInputBlock(blockId, true);
+
+ // verify the metrics didn't change (i.e. the pinch was ignored)
+ FrameMetrics fm = apzc->GetFrameMetrics();
+ EXPECT_EQ(originalMetrics.GetZoom(), fm.GetZoom());
+ EXPECT_EQ(originalMetrics.GetScrollOffset().x, fm.GetScrollOffset().x);
+ EXPECT_EQ(originalMetrics.GetScrollOffset().y, fm.GetScrollOffset().y);
+
+ apzc->AssertStateIsReset();
+ }
+};
+
+TEST_F(APZCPinchTester, Pinch_DefaultGestures_NoTouchAction) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, false);
+ DoPinchTest(true);
+}
+
+TEST_F(APZCPinchGestureDetectorTester, Pinch_UseGestureDetector_NoTouchAction) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, false);
+ DoPinchTest(true);
+}
+
+TEST_F(APZCPinchGestureDetectorTester, Pinch_UseGestureDetector_TouchActionNone) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, true);
+ nsTArray<uint32_t> behaviors = { mozilla::layers::AllowedTouchBehavior::NONE,
+ mozilla::layers::AllowedTouchBehavior::NONE };
+ DoPinchTest(false, &behaviors);
+}
+
+TEST_F(APZCPinchGestureDetectorTester, Pinch_UseGestureDetector_TouchActionZoom) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, true);
+ nsTArray<uint32_t> behaviors;
+ behaviors.AppendElement(mozilla::layers::AllowedTouchBehavior::PINCH_ZOOM);
+ behaviors.AppendElement(mozilla::layers::AllowedTouchBehavior::PINCH_ZOOM);
+ DoPinchTest(true, &behaviors);
+}
+
+TEST_F(APZCPinchGestureDetectorTester, Pinch_UseGestureDetector_TouchActionNotAllowZoom) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, true);
+ nsTArray<uint32_t> behaviors;
+ behaviors.AppendElement(mozilla::layers::AllowedTouchBehavior::VERTICAL_PAN);
+ behaviors.AppendElement(mozilla::layers::AllowedTouchBehavior::PINCH_ZOOM);
+ DoPinchTest(false, &behaviors);
+}
+
+TEST_F(APZCPinchGestureDetectorTester, Pinch_UseGestureDetector_TouchActionNone_NoAPZZoom) {
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, true);
+ SCOPED_GFX_PREF(APZAllowZooming, bool, false);
+
+ // Since we are preventing the pinch action via touch-action we should not be
+ // sending the pinch gesture notifications that would normally be sent when
+ // APZAllowZooming is false.
+ EXPECT_CALL(*mcc, NotifyPinchGesture(_, _, _, _)).Times(0);
+ nsTArray<uint32_t> behaviors = { mozilla::layers::AllowedTouchBehavior::NONE,
+ mozilla::layers::AllowedTouchBehavior::NONE };
+ DoPinchTest(false, &behaviors);
+}
+
+TEST_F(APZCPinchGestureDetectorTester, Pinch_PreventDefault) {
+ DoPinchWithPreventDefaultTest();
+}
+
+TEST_F(APZCPinchGestureDetectorTester, Pinch_PreventDefault_NoAPZZoom) {
+ SCOPED_GFX_PREF(APZAllowZooming, bool, false);
+
+ // Since we are preventing the pinch action we should not be sending the pinch
+ // gesture notifications that would normally be sent when APZAllowZooming is
+ // false.
+ EXPECT_CALL(*mcc, NotifyPinchGesture(_, _, _, _)).Times(0);
+
+ DoPinchWithPreventDefaultTest();
+}
+
+TEST_F(APZCPinchTester, Panning_TwoFinger_ZoomDisabled) {
+ // set up APZ
+ apzc->SetFrameMetrics(GetPinchableFrameMetrics());
+ MakeApzcUnzoomable();
+
+ nsEventStatus statuses[3]; // scalebegin, scale, scaleend
+ PinchWithPinchInput(apzc, ScreenIntPoint(250, 350), ScreenIntPoint(200, 300),
+ 10, &statuses);
+
+ FrameMetrics fm = apzc->GetFrameMetrics();
+
+ // It starts from (300, 300), then moves the focus point from (250, 350) to
+ // (200, 300) pans by (50, 50) screen pixels, but there is a 2x zoom, which
+ // causes the scroll offset to change by half of that (25, 25) pixels.
+ EXPECT_EQ(325, fm.GetScrollOffset().x);
+ EXPECT_EQ(325, fm.GetScrollOffset().y);
+ EXPECT_EQ(2.0, fm.GetZoom().ToScaleFactor().scale);
+}
+
+TEST_F(APZCPinchGestureDetectorTester, Pinch_APZZoom_Disabled) {
+ SCOPED_GFX_PREF(APZAllowZooming, bool, false);
+
+ FrameMetrics originalMetrics = GetPinchableFrameMetrics();
+ apzc->SetFrameMetrics(originalMetrics);
+
+ // When APZAllowZooming is false, the ZoomConstraintsClient produces
+ // ZoomConstraints with mAllowZoom set to false.
+ MakeApzcUnzoomable();
+
+ // With APZAllowZooming false, we expect the NotifyPinchGesture function to
+ // get called as the pinch progresses, but the metrics shouldn't change.
+ EXPECT_CALL(*mcc, NotifyPinchGesture(PinchGestureInput::PINCHGESTURE_START, apzc->GetGuid(), LayoutDeviceCoord(0), _)).Times(1);
+ EXPECT_CALL(*mcc, NotifyPinchGesture(PinchGestureInput::PINCHGESTURE_SCALE, apzc->GetGuid(), _, _)).Times(AtLeast(1));
+ EXPECT_CALL(*mcc, NotifyPinchGesture(PinchGestureInput::PINCHGESTURE_END, apzc->GetGuid(), LayoutDeviceCoord(0), _)).Times(1);
+
+ int touchInputId = 0;
+ uint64_t blockId = 0;
+ PinchWithTouchInput(apzc, ScreenIntPoint(250, 300), 1.25, touchInputId,
+ nullptr, nullptr, &blockId);
+
+ // verify the metrics didn't change (i.e. the pinch was ignored inside APZ)
+ FrameMetrics fm = apzc->GetFrameMetrics();
+ EXPECT_EQ(originalMetrics.GetZoom(), fm.GetZoom());
+ EXPECT_EQ(originalMetrics.GetScrollOffset().x, fm.GetScrollOffset().x);
+ EXPECT_EQ(originalMetrics.GetScrollOffset().y, fm.GetScrollOffset().y);
+
+ apzc->AssertStateIsReset();
+}
+
+TEST_F(APZCPinchGestureDetectorTester, Pinch_NoSpan) {
+ SCOPED_GFX_PREF(APZAllowZooming, bool, false);
+ SCOPED_GFX_PREF(TouchActionEnabled, bool, false);
+
+ FrameMetrics originalMetrics = GetPinchableFrameMetrics();
+ apzc->SetFrameMetrics(originalMetrics);
+
+ // When APZAllowZooming is false, the ZoomConstraintsClient produces
+ // ZoomConstraints with mAllowZoom set to false.
+ MakeApzcUnzoomable();
+
+ // With APZAllowZooming false, we expect the NotifyPinchGesture function to
+ // get called as the pinch progresses, but the metrics shouldn't change.
+ EXPECT_CALL(*mcc, NotifyPinchGesture(PinchGestureInput::PINCHGESTURE_START, apzc->GetGuid(), LayoutDeviceCoord(0), _)).Times(1);
+ EXPECT_CALL(*mcc, NotifyPinchGesture(PinchGestureInput::PINCHGESTURE_SCALE, apzc->GetGuid(), _, _)).Times(AtLeast(1));
+ EXPECT_CALL(*mcc, NotifyPinchGesture(PinchGestureInput::PINCHGESTURE_END, apzc->GetGuid(), LayoutDeviceCoord(0), _)).Times(1);
+
+ int inputId = 0;
+ ScreenIntPoint focus(250, 300);
+
+ // Do a pinch holding a zero span and moving the focus by y=100
+
+ MultiTouchInput mtiStart = MultiTouchInput(MultiTouchInput::MULTITOUCH_START, 0, TimeStamp(), 0);
+ mtiStart.mTouches.AppendElement(CreateSingleTouchData(inputId, focus));
+ mtiStart.mTouches.AppendElement(CreateSingleTouchData(inputId + 1, focus));
+ apzc->ReceiveInputEvent(mtiStart, nullptr);
+
+ focus.y -= 35 + 1; // this is to get over the PINCH_START_THRESHOLD in GestureEventListener.cpp
+ MultiTouchInput mtiMove1 = MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, TimeStamp(), 0);
+ mtiMove1.mTouches.AppendElement(CreateSingleTouchData(inputId, focus));
+ mtiMove1.mTouches.AppendElement(CreateSingleTouchData(inputId + 1, focus));
+ apzc->ReceiveInputEvent(mtiMove1, nullptr);
+
+ focus.y -= 100; // do a two-finger scroll of 100 screen pixels
+ MultiTouchInput mtiMove2 = MultiTouchInput(MultiTouchInput::MULTITOUCH_MOVE, 0, TimeStamp(), 0);
+ mtiMove2.mTouches.AppendElement(CreateSingleTouchData(inputId, focus));
+ mtiMove2.mTouches.AppendElement(CreateSingleTouchData(inputId + 1, focus));
+ apzc->ReceiveInputEvent(mtiMove2, nullptr);
+
+ MultiTouchInput mtiEnd = MultiTouchInput(MultiTouchInput::MULTITOUCH_END, 0, TimeStamp(), 0);
+ mtiEnd.mTouches.AppendElement(CreateSingleTouchData(inputId, focus));
+ mtiEnd.mTouches.AppendElement(CreateSingleTouchData(inputId + 1, focus));
+ apzc->ReceiveInputEvent(mtiEnd, nullptr);
+
+ // Done, check the metrics to make sure we scrolled by 100 screen pixels,
+ // which is 50 CSS pixels for the pinchable frame metrics.
+
+ FrameMetrics fm = apzc->GetFrameMetrics();
+ EXPECT_EQ(originalMetrics.GetZoom(), fm.GetZoom());
+ EXPECT_EQ(originalMetrics.GetScrollOffset().x, fm.GetScrollOffset().x);
+ EXPECT_EQ(originalMetrics.GetScrollOffset().y + 50, fm.GetScrollOffset().y);
+
+ apzc->AssertStateIsReset();
+}
diff --git a/gfx/layers/apz/test/gtest/TestScrollHandoff.cpp b/gfx/layers/apz/test/gtest/TestScrollHandoff.cpp
new file mode 100644
index 000000000..d57d09ead
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/TestScrollHandoff.cpp
@@ -0,0 +1,521 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "APZCTreeManagerTester.h"
+#include "APZTestCommon.h"
+#include "InputUtils.h"
+
+class APZScrollHandoffTester : public APZCTreeManagerTester {
+protected:
+ UniquePtr<ScopedLayerTreeRegistration> registration;
+ TestAsyncPanZoomController* rootApzc;
+
+ void CreateScrollHandoffLayerTree1() {
+ const char* layerTreeSyntax = "c(t)";
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0, 0, 100, 100)),
+ nsIntRegion(IntRect(0, 50, 100, 50))
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, nullptr, lm, layers);
+ SetScrollableFrameMetrics(root, FrameMetrics::START_SCROLL_ID, CSSRect(0, 0, 200, 200));
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID + 1, CSSRect(0, 0, 100, 100));
+ SetScrollHandoff(layers[1], root);
+ registration = MakeUnique<ScopedLayerTreeRegistration>(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ rootApzc = ApzcOf(root);
+ rootApzc->GetFrameMetrics().SetIsRootContent(true); // make root APZC zoomable
+ }
+
+ void CreateScrollHandoffLayerTree2() {
+ const char* layerTreeSyntax = "c(c(t))";
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0, 0, 100, 100)),
+ nsIntRegion(IntRect(0, 0, 100, 100)),
+ nsIntRegion(IntRect(0, 50, 100, 50))
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, nullptr, lm, layers);
+ SetScrollableFrameMetrics(root, FrameMetrics::START_SCROLL_ID, CSSRect(0, 0, 200, 200));
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID + 2, CSSRect(-100, -100, 200, 200));
+ SetScrollableFrameMetrics(layers[2], FrameMetrics::START_SCROLL_ID + 1, CSSRect(0, 0, 100, 100));
+ SetScrollHandoff(layers[1], root);
+ SetScrollHandoff(layers[2], layers[1]);
+ // No ScopedLayerTreeRegistration as that just needs to be done once per test
+ // and this is the second layer tree for a particular test.
+ MOZ_ASSERT(registration);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ rootApzc = ApzcOf(root);
+ }
+
+ void CreateScrollHandoffLayerTree3() {
+ const char* layerTreeSyntax = "c(c(t)c(t))";
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0, 0, 100, 100)), // root
+ nsIntRegion(IntRect(0, 0, 100, 50)), // scrolling parent 1
+ nsIntRegion(IntRect(0, 0, 100, 50)), // scrolling child 1
+ nsIntRegion(IntRect(0, 50, 100, 50)), // scrolling parent 2
+ nsIntRegion(IntRect(0, 50, 100, 50)) // scrolling child 2
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, nullptr, lm, layers);
+ SetScrollableFrameMetrics(layers[0], FrameMetrics::START_SCROLL_ID, CSSRect(0, 0, 100, 100));
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID + 1, CSSRect(0, 0, 100, 100));
+ SetScrollableFrameMetrics(layers[2], FrameMetrics::START_SCROLL_ID + 2, CSSRect(0, 0, 100, 100));
+ SetScrollableFrameMetrics(layers[3], FrameMetrics::START_SCROLL_ID + 3, CSSRect(0, 50, 100, 100));
+ SetScrollableFrameMetrics(layers[4], FrameMetrics::START_SCROLL_ID + 4, CSSRect(0, 50, 100, 100));
+ SetScrollHandoff(layers[1], layers[0]);
+ SetScrollHandoff(layers[3], layers[0]);
+ SetScrollHandoff(layers[2], layers[1]);
+ SetScrollHandoff(layers[4], layers[3]);
+ registration = MakeUnique<ScopedLayerTreeRegistration>(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ }
+
+ void CreateScrollgrabLayerTree(bool makeParentScrollable = true) {
+ const char* layerTreeSyntax = "c(t)";
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0, 0, 100, 100)), // scroll-grabbing parent
+ nsIntRegion(IntRect(0, 20, 100, 80)) // child
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, nullptr, lm, layers);
+ float parentHeight = makeParentScrollable ? 120 : 100;
+ SetScrollableFrameMetrics(root, FrameMetrics::START_SCROLL_ID, CSSRect(0, 0, 100, parentHeight));
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID + 1, CSSRect(0, 0, 100, 200));
+ SetScrollHandoff(layers[1], root);
+ registration = MakeUnique<ScopedLayerTreeRegistration>(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ rootApzc = ApzcOf(root);
+ rootApzc->GetScrollMetadata().SetHasScrollgrab(true);
+ }
+
+ void TestFlingAcceleration() {
+ // Jack up the fling acceleration multiplier so we can easily determine
+ // whether acceleration occured.
+ const float kAcceleration = 100.0f;
+ SCOPED_GFX_PREF(APZFlingAccelBaseMultiplier, float, kAcceleration);
+ SCOPED_GFX_PREF(APZFlingAccelMinVelocity, float, 0.0);
+
+ RefPtr<TestAsyncPanZoomController> childApzc = ApzcOf(layers[1]);
+
+ // Pan once, enough to fully scroll the scrollgrab parent and then scroll
+ // and fling the child.
+ Pan(manager, 70, 40);
+
+ // Give the fling animation a chance to start.
+ SampleAnimationsOnce();
+
+ float childVelocityAfterFling1 = childApzc->GetVelocityVector().y;
+
+ // Pan again.
+ Pan(manager, 70, 40);
+
+ // Give the fling animation a chance to start.
+ // This time it should be accelerated.
+ SampleAnimationsOnce();
+
+ float childVelocityAfterFling2 = childApzc->GetVelocityVector().y;
+
+ // We should have accelerated once.
+ // The division by 2 is to account for friction.
+ EXPECT_GT(childVelocityAfterFling2,
+ childVelocityAfterFling1 * kAcceleration / 2);
+
+ // We should not have accelerated twice.
+ // The division by 4 is to account for friction.
+ EXPECT_LE(childVelocityAfterFling2,
+ childVelocityAfterFling1 * kAcceleration * kAcceleration / 4);
+ }
+};
+
+// Here we test that if the processing of a touch block is deferred while we
+// wait for content to send a prevent-default message, overscroll is still
+// handed off correctly when the block is processed.
+TEST_F(APZScrollHandoffTester, DeferredInputEventProcessing) {
+ // Set up the APZC tree.
+ CreateScrollHandoffLayerTree1();
+
+ TestAsyncPanZoomController* childApzc = ApzcOf(layers[1]);
+
+ // Enable touch-listeners so that we can separate the queueing of input
+ // events from them being processed.
+ childApzc->SetWaitForMainThread();
+
+ // Queue input events for a pan.
+ uint64_t blockId = 0;
+ ApzcPanNoFling(childApzc, 90, 30, &blockId);
+
+ // Allow the pan to be processed.
+ childApzc->ContentReceivedInputBlock(blockId, false);
+ childApzc->ConfirmTarget(blockId);
+
+ // Make sure overscroll was handed off correctly.
+ EXPECT_EQ(50, childApzc->GetFrameMetrics().GetScrollOffset().y);
+ EXPECT_EQ(10, rootApzc->GetFrameMetrics().GetScrollOffset().y);
+}
+
+// Here we test that if the layer structure changes in between two input
+// blocks being queued, and the first block is only processed after the second
+// one has been queued, overscroll handoff for the first block follows
+// the original layer structure while overscroll handoff for the second block
+// follows the new layer structure.
+TEST_F(APZScrollHandoffTester, LayerStructureChangesWhileEventsArePending) {
+ // Set up an initial APZC tree.
+ CreateScrollHandoffLayerTree1();
+
+ TestAsyncPanZoomController* childApzc = ApzcOf(layers[1]);
+
+ // Enable touch-listeners so that we can separate the queueing of input
+ // events from them being processed.
+ childApzc->SetWaitForMainThread();
+
+ // Queue input events for a pan.
+ uint64_t blockId = 0;
+ ApzcPanNoFling(childApzc, 90, 30, &blockId);
+
+ // Modify the APZC tree to insert a new APZC 'middle' into the handoff chain
+ // between the child and the root.
+ CreateScrollHandoffLayerTree2();
+ RefPtr<Layer> middle = layers[1];
+ childApzc->SetWaitForMainThread();
+ TestAsyncPanZoomController* middleApzc = ApzcOf(middle);
+
+ // Queue input events for another pan.
+ uint64_t secondBlockId = 0;
+ ApzcPanNoFling(childApzc, 30, 90, &secondBlockId);
+
+ // Allow the first pan to be processed.
+ childApzc->ContentReceivedInputBlock(blockId, false);
+ childApzc->ConfirmTarget(blockId);
+
+ // Make sure things have scrolled according to the handoff chain in
+ // place at the time the touch-start of the first pan was queued.
+ EXPECT_EQ(50, childApzc->GetFrameMetrics().GetScrollOffset().y);
+ EXPECT_EQ(10, rootApzc->GetFrameMetrics().GetScrollOffset().y);
+ EXPECT_EQ(0, middleApzc->GetFrameMetrics().GetScrollOffset().y);
+
+ // Allow the second pan to be processed.
+ childApzc->ContentReceivedInputBlock(secondBlockId, false);
+ childApzc->ConfirmTarget(secondBlockId);
+
+ // Make sure things have scrolled according to the handoff chain in
+ // place at the time the touch-start of the second pan was queued.
+ EXPECT_EQ(0, childApzc->GetFrameMetrics().GetScrollOffset().y);
+ EXPECT_EQ(10, rootApzc->GetFrameMetrics().GetScrollOffset().y);
+ EXPECT_EQ(-10, middleApzc->GetFrameMetrics().GetScrollOffset().y);
+}
+
+// Test that putting a second finger down on an APZC while a down-chain APZC
+// is overscrolled doesn't result in being stuck in overscroll.
+TEST_F(APZScrollHandoffTester, StuckInOverscroll_Bug1073250) {
+ // Enable overscrolling.
+ SCOPED_GFX_PREF(APZOverscrollEnabled, bool, true);
+ SCOPED_GFX_PREF(APZFlingMinVelocityThreshold, float, 0.0f);
+
+ CreateScrollHandoffLayerTree1();
+
+ TestAsyncPanZoomController* child = ApzcOf(layers[1]);
+
+ // Pan, causing the parent APZC to overscroll.
+ Pan(manager, 10, 40, true /* keep finger down */);
+ EXPECT_FALSE(child->IsOverscrolled());
+ EXPECT_TRUE(rootApzc->IsOverscrolled());
+
+ // Put a second finger down.
+ MultiTouchInput secondFingerDown(MultiTouchInput::MULTITOUCH_START, 0, TimeStamp(), 0);
+ // Use the same touch identifier for the first touch (0) as Pan(). (A bit hacky.)
+ secondFingerDown.mTouches.AppendElement(SingleTouchData(0, ScreenIntPoint(10, 40), ScreenSize(0, 0), 0, 0));
+ secondFingerDown.mTouches.AppendElement(SingleTouchData(1, ScreenIntPoint(30, 20), ScreenSize(0, 0), 0, 0));
+ manager->ReceiveInputEvent(secondFingerDown, nullptr, nullptr);
+
+ // Release the fingers.
+ MultiTouchInput fingersUp = secondFingerDown;
+ fingersUp.mType = MultiTouchInput::MULTITOUCH_END;
+ manager->ReceiveInputEvent(fingersUp, nullptr, nullptr);
+
+ // Allow any animations to run their course.
+ child->AdvanceAnimationsUntilEnd();
+ rootApzc->AdvanceAnimationsUntilEnd();
+
+ // Make sure nothing is overscrolled.
+ EXPECT_FALSE(child->IsOverscrolled());
+ EXPECT_FALSE(rootApzc->IsOverscrolled());
+}
+
+// This is almost exactly like StuckInOverscroll_Bug1073250, except the
+// APZC receiving the input events for the first touch block is the child
+// (and thus not the same APZC that overscrolls, which is the parent).
+TEST_F(APZScrollHandoffTester, StuckInOverscroll_Bug1231228) {
+ // Enable overscrolling.
+ SCOPED_GFX_PREF(APZOverscrollEnabled, bool, true);
+ SCOPED_GFX_PREF(APZFlingMinVelocityThreshold, float, 0.0f);
+
+ CreateScrollHandoffLayerTree1();
+
+ TestAsyncPanZoomController* child = ApzcOf(layers[1]);
+
+ // Pan, causing the parent APZC to overscroll.
+ Pan(manager, 60, 90, true /* keep finger down */);
+ EXPECT_FALSE(child->IsOverscrolled());
+ EXPECT_TRUE(rootApzc->IsOverscrolled());
+
+ // Put a second finger down.
+ MultiTouchInput secondFingerDown(MultiTouchInput::MULTITOUCH_START, 0, TimeStamp(), 0);
+ // Use the same touch identifier for the first touch (0) as Pan(). (A bit hacky.)
+ secondFingerDown.mTouches.AppendElement(SingleTouchData(0, ScreenIntPoint(10, 40), ScreenSize(0, 0), 0, 0));
+ secondFingerDown.mTouches.AppendElement(SingleTouchData(1, ScreenIntPoint(30, 20), ScreenSize(0, 0), 0, 0));
+ manager->ReceiveInputEvent(secondFingerDown, nullptr, nullptr);
+
+ // Release the fingers.
+ MultiTouchInput fingersUp = secondFingerDown;
+ fingersUp.mType = MultiTouchInput::MULTITOUCH_END;
+ manager->ReceiveInputEvent(fingersUp, nullptr, nullptr);
+
+ // Allow any animations to run their course.
+ child->AdvanceAnimationsUntilEnd();
+ rootApzc->AdvanceAnimationsUntilEnd();
+
+ // Make sure nothing is overscrolled.
+ EXPECT_FALSE(child->IsOverscrolled());
+ EXPECT_FALSE(rootApzc->IsOverscrolled());
+}
+
+TEST_F(APZScrollHandoffTester, StuckInOverscroll_Bug1240202a) {
+ // Enable overscrolling.
+ SCOPED_GFX_PREF(APZOverscrollEnabled, bool, true);
+
+ CreateScrollHandoffLayerTree1();
+
+ TestAsyncPanZoomController* child = ApzcOf(layers[1]);
+
+ // Pan, causing the parent APZC to overscroll.
+ Pan(manager, 60, 90, true /* keep finger down */);
+ EXPECT_FALSE(child->IsOverscrolled());
+ EXPECT_TRUE(rootApzc->IsOverscrolled());
+
+ // Lift the finger, triggering an overscroll animation
+ // (but don't allow it to run).
+ TouchUp(manager, ScreenIntPoint(10, 90), mcc->Time());
+
+ // Put the finger down again, interrupting the animation
+ // and entering the TOUCHING state.
+ TouchDown(manager, ScreenIntPoint(10, 90), mcc->Time());
+
+ // Lift the finger once again.
+ TouchUp(manager, ScreenIntPoint(10, 90), mcc->Time());
+
+ // Allow any animations to run their course.
+ child->AdvanceAnimationsUntilEnd();
+ rootApzc->AdvanceAnimationsUntilEnd();
+
+ // Make sure nothing is overscrolled.
+ EXPECT_FALSE(child->IsOverscrolled());
+ EXPECT_FALSE(rootApzc->IsOverscrolled());
+}
+
+TEST_F(APZScrollHandoffTester, StuckInOverscroll_Bug1240202b) {
+ // Enable overscrolling.
+ SCOPED_GFX_PREF(APZOverscrollEnabled, bool, true);
+
+ CreateScrollHandoffLayerTree1();
+
+ TestAsyncPanZoomController* child = ApzcOf(layers[1]);
+
+ // Pan, causing the parent APZC to overscroll.
+ Pan(manager, 60, 90, true /* keep finger down */);
+ EXPECT_FALSE(child->IsOverscrolled());
+ EXPECT_TRUE(rootApzc->IsOverscrolled());
+
+ // Lift the finger, triggering an overscroll animation
+ // (but don't allow it to run).
+ TouchUp(manager, ScreenIntPoint(10, 90), mcc->Time());
+
+ // Put the finger down again, interrupting the animation
+ // and entering the TOUCHING state.
+ TouchDown(manager, ScreenIntPoint(10, 90), mcc->Time());
+
+ // Put a second finger down. Since we're in the TOUCHING state,
+ // the "are we panned into overscroll" check will fail and we
+ // will not ignore the second finger, instead entering the
+ // PINCHING state.
+ MultiTouchInput secondFingerDown(MultiTouchInput::MULTITOUCH_START, 0, TimeStamp(), 0);
+ // Use the same touch identifier for the first touch (0) as TouchDown(). (A bit hacky.)
+ secondFingerDown.mTouches.AppendElement(SingleTouchData(0, ScreenIntPoint(10, 90), ScreenSize(0, 0), 0, 0));
+ secondFingerDown.mTouches.AppendElement(SingleTouchData(1, ScreenIntPoint(10, 80), ScreenSize(0, 0), 0, 0));
+ manager->ReceiveInputEvent(secondFingerDown, nullptr, nullptr);
+
+ // Release the fingers.
+ MultiTouchInput fingersUp = secondFingerDown;
+ fingersUp.mType = MultiTouchInput::MULTITOUCH_END;
+ manager->ReceiveInputEvent(fingersUp, nullptr, nullptr);
+
+ // Allow any animations to run their course.
+ child->AdvanceAnimationsUntilEnd();
+ rootApzc->AdvanceAnimationsUntilEnd();
+
+ // Make sure nothing is overscrolled.
+ EXPECT_FALSE(child->IsOverscrolled());
+ EXPECT_FALSE(rootApzc->IsOverscrolled());
+}
+
+// Test that flinging in a direction where one component of the fling goes into
+// overscroll but the other doesn't, results in just the one component being
+// handed off to the parent, while the original APZC continues flinging in the
+// other direction.
+TEST_F(APZScrollHandoffTester, PartialFlingHandoff) {
+ CreateScrollHandoffLayerTree1();
+
+ // Fling up and to the left. The child APZC has room to scroll up, but not
+ // to the left, so the horizontal component of the fling should be handed
+ // off to the parent APZC.
+ Pan(manager, ScreenIntPoint(90, 90), ScreenIntPoint(55, 55));
+
+ RefPtr<TestAsyncPanZoomController> parent = ApzcOf(root);
+ RefPtr<TestAsyncPanZoomController> child = ApzcOf(layers[1]);
+
+ // Advance the child's fling animation once to give the partial handoff
+ // a chance to occur.
+ mcc->AdvanceByMillis(10);
+ child->AdvanceAnimations(mcc->Time());
+
+ // Assert that partial handoff has occurred.
+ child->AssertStateIsFling();
+ parent->AssertStateIsFling();
+}
+
+// Here we test that if two flings are happening simultaneously, overscroll
+// is handed off correctly for each.
+TEST_F(APZScrollHandoffTester, SimultaneousFlings) {
+ SCOPED_GFX_PREF(APZFlingMinVelocityThreshold, float, 0.0f);
+
+ // Set up an initial APZC tree.
+ CreateScrollHandoffLayerTree3();
+
+ RefPtr<TestAsyncPanZoomController> parent1 = ApzcOf(layers[1]);
+ RefPtr<TestAsyncPanZoomController> child1 = ApzcOf(layers[2]);
+ RefPtr<TestAsyncPanZoomController> parent2 = ApzcOf(layers[3]);
+ RefPtr<TestAsyncPanZoomController> child2 = ApzcOf(layers[4]);
+
+ // Pan on the lower child.
+ Pan(child2, 45, 5);
+
+ // Pan on the upper child.
+ Pan(child1, 95, 55);
+
+ // Check that child1 and child2 are in a FLING state.
+ child1->AssertStateIsFling();
+ child2->AssertStateIsFling();
+
+ // Advance the animations on child1 and child2 until their end.
+ child1->AdvanceAnimationsUntilEnd();
+ child2->AdvanceAnimationsUntilEnd();
+
+ // Check that the flings have been handed off to the parents.
+ child1->AssertStateIsReset();
+ parent1->AssertStateIsFling();
+ child2->AssertStateIsReset();
+ parent2->AssertStateIsFling();
+}
+
+TEST_F(APZScrollHandoffTester, Scrollgrab) {
+ // Set up the layer tree
+ CreateScrollgrabLayerTree();
+
+ RefPtr<TestAsyncPanZoomController> childApzc = ApzcOf(layers[1]);
+
+ // Pan on the child, enough to fully scroll the scrollgrab parent (20 px)
+ // and leave some more (another 15 px) for the child.
+ Pan(childApzc, 80, 45);
+
+ // Check that the parent and child have scrolled as much as we expect.
+ EXPECT_EQ(20, rootApzc->GetFrameMetrics().GetScrollOffset().y);
+ EXPECT_EQ(15, childApzc->GetFrameMetrics().GetScrollOffset().y);
+}
+
+TEST_F(APZScrollHandoffTester, ScrollgrabFling) {
+ SCOPED_GFX_PREF(APZFlingMinVelocityThreshold, float, 0.0f);
+ // Set up the layer tree
+ CreateScrollgrabLayerTree();
+
+ RefPtr<TestAsyncPanZoomController> childApzc = ApzcOf(layers[1]);
+
+ // Pan on the child, not enough to fully scroll the scrollgrab parent.
+ Pan(childApzc, 80, 70);
+
+ // Check that it is the scrollgrab parent that's in a fling, not the child.
+ rootApzc->AssertStateIsFling();
+ childApzc->AssertStateIsReset();
+}
+
+TEST_F(APZScrollHandoffTester, ScrollgrabFlingAcceleration1) {
+ SCOPED_GFX_PREF(APZFlingMinVelocityThreshold, float, 0.0f);
+ CreateScrollgrabLayerTree(true /* make parent scrollable */);
+ TestFlingAcceleration();
+}
+
+TEST_F(APZScrollHandoffTester, ScrollgrabFlingAcceleration2) {
+ SCOPED_GFX_PREF(APZFlingMinVelocityThreshold, float, 0.0f);
+ CreateScrollgrabLayerTree(false /* do not make parent scrollable */);
+ TestFlingAcceleration();
+}
+
+TEST_F(APZScrollHandoffTester, ImmediateHandoffDisallowed_Pan) {
+ SCOPED_GFX_PREF(APZAllowImmediateHandoff, bool, false);
+
+ CreateScrollHandoffLayerTree1();
+
+ RefPtr<TestAsyncPanZoomController> parentApzc = ApzcOf(root);
+ RefPtr<TestAsyncPanZoomController> childApzc = ApzcOf(layers[1]);
+
+ // Pan on the child, enough to scroll it to its end and have scroll
+ // left to hand off. Since immediate handoff is disallowed, we expect
+ // the leftover scroll not to be handed off.
+ Pan(childApzc, 60, 5);
+
+ // Verify that the parent has not scrolled.
+ EXPECT_EQ(50, childApzc->GetFrameMetrics().GetScrollOffset().y);
+ EXPECT_EQ(0, parentApzc->GetFrameMetrics().GetScrollOffset().y);
+
+ // Pan again on the child. This time, since the child was scrolled to
+ // its end when the gesture began, we expect the scroll to be handed off.
+ Pan(childApzc, 60, 50);
+
+ // Verify that the parent scrolled.
+ EXPECT_EQ(10, parentApzc->GetFrameMetrics().GetScrollOffset().y);
+}
+
+TEST_F(APZScrollHandoffTester, ImmediateHandoffDisallowed_Fling) {
+ SCOPED_GFX_PREF(APZAllowImmediateHandoff, bool, false);
+ SCOPED_GFX_PREF(APZFlingMinVelocityThreshold, float, 0.0f);
+
+ CreateScrollHandoffLayerTree1();
+
+ RefPtr<TestAsyncPanZoomController> parentApzc = ApzcOf(root);
+ RefPtr<TestAsyncPanZoomController> childApzc = ApzcOf(layers[1]);
+
+ // Pan on the child, enough to get very close to the end, so that the
+ // subsequent fling reaches the end and has leftover velocity to hand off.
+ Pan(childApzc, 60, 12);
+
+ // Allow the fling to run its course.
+ childApzc->AdvanceAnimationsUntilEnd();
+ parentApzc->AdvanceAnimationsUntilEnd();
+
+ // Verify that the parent has not scrolled.
+ // The first comparison needs to be an ASSERT_NEAR because the fling
+ // computations are such that the final scroll position can be within
+ // COORDINATE_EPSILON of the end rather than right at the end.
+ ASSERT_NEAR(50, childApzc->GetFrameMetrics().GetScrollOffset().y, COORDINATE_EPSILON);
+ EXPECT_EQ(0, parentApzc->GetFrameMetrics().GetScrollOffset().y);
+
+ // Pan again on the child. This time, since the child was scrolled to
+ // its end when the gesture began, we expect the scroll to be handed off.
+ Pan(childApzc, 60, 50);
+
+ // Allow the fling to run its course. The fling should also be handed off.
+ childApzc->AdvanceAnimationsUntilEnd();
+ parentApzc->AdvanceAnimationsUntilEnd();
+
+ // Verify that the parent scrolled from the fling.
+ EXPECT_GT(parentApzc->GetFrameMetrics().GetScrollOffset().y, 10);
+}
diff --git a/gfx/layers/apz/test/gtest/TestSnapping.cpp b/gfx/layers/apz/test/gtest/TestSnapping.cpp
new file mode 100644
index 000000000..95c21ca44
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/TestSnapping.cpp
@@ -0,0 +1,64 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "APZCTreeManagerTester.h"
+#include "APZTestCommon.h"
+#include "InputUtils.h"
+
+class APZCSnappingTester : public APZCTreeManagerTester
+{
+};
+
+TEST_F(APZCSnappingTester, Bug1265510)
+{
+ const char* layerTreeSyntax = "c(t)";
+ nsIntRegion layerVisibleRegion[] = {
+ nsIntRegion(IntRect(0, 0, 100, 100)),
+ nsIntRegion(IntRect(0, 100, 100, 100))
+ };
+ root = CreateLayerTree(layerTreeSyntax, layerVisibleRegion, nullptr, lm, layers);
+ SetScrollableFrameMetrics(root, FrameMetrics::START_SCROLL_ID, CSSRect(0, 0, 100, 200));
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID + 1, CSSRect(0, 0, 100, 200));
+ SetScrollHandoff(layers[1], root);
+
+ ScrollSnapInfo snap;
+ snap.mScrollSnapTypeY = NS_STYLE_SCROLL_SNAP_TYPE_MANDATORY;
+ snap.mScrollSnapIntervalY = Some(100 * AppUnitsPerCSSPixel());
+
+ ScrollMetadata metadata = root->GetScrollMetadata(0);
+ metadata.SetSnapInfo(ScrollSnapInfo(snap));
+ root->SetScrollMetadata(metadata);
+
+ UniquePtr<ScopedLayerTreeRegistration> registration = MakeUnique<ScopedLayerTreeRegistration>(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+
+ TestAsyncPanZoomController* outer = ApzcOf(layers[0]);
+ TestAsyncPanZoomController* inner = ApzcOf(layers[1]);
+
+ // Position the mouse near the bottom of the outer frame and scroll by 60px.
+ // (6 lines of 10px each). APZC will actually scroll to y=100 because of the
+ // mandatory snap coordinate there.
+ TimeStamp now = mcc->Time();
+ SmoothWheel(manager, ScreenIntPoint(50, 80), ScreenPoint(0, 6), now);
+ // Advance in 5ms increments until we've scrolled by 70px. At this point, the
+ // closest snap point is y=100, and the inner frame should be under the mouse
+ // cursor.
+ while (outer->GetCurrentAsyncScrollOffset(AsyncPanZoomController::AsyncMode::NORMAL).y < 70) {
+ mcc->AdvanceByMillis(5);
+ outer->AdvanceAnimations(mcc->Time());
+ }
+ // Now do another wheel in a new transaction. This should start scrolling the
+ // inner frame; we verify that it does by checking the inner scroll position.
+ TimeStamp newTransactionTime = now + TimeDuration::FromMilliseconds(gfxPrefs::MouseWheelTransactionTimeoutMs() + 100);
+ SmoothWheel(manager, ScreenIntPoint(50, 80), ScreenPoint(0, 6), newTransactionTime);
+ inner->AdvanceAnimationsUntilEnd();
+ EXPECT_LT(0.0f, inner->GetCurrentAsyncScrollOffset(AsyncPanZoomController::AsyncMode::NORMAL).y);
+
+ // However, the outer frame should also continue to the snap point, otherwise
+ // it is demonstrating incorrect behaviour by violating the mandatory snapping.
+ outer->AdvanceAnimationsUntilEnd();
+ EXPECT_EQ(100.0f, outer->GetCurrentAsyncScrollOffset(AsyncPanZoomController::AsyncMode::NORMAL).y);
+}
diff --git a/gfx/layers/apz/test/gtest/TestTreeManager.cpp b/gfx/layers/apz/test/gtest/TestTreeManager.cpp
new file mode 100644
index 000000000..80a7d0579
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/TestTreeManager.cpp
@@ -0,0 +1,112 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "APZCTreeManagerTester.h"
+#include "APZTestCommon.h"
+#include "InputUtils.h"
+
+TEST_F(APZCTreeManagerTester, ScrollablePaintedLayers) {
+ CreateSimpleMultiLayerTree();
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+
+ // both layers have the same scrollId
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID);
+ SetScrollableFrameMetrics(layers[2], FrameMetrics::START_SCROLL_ID);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+
+ TestAsyncPanZoomController* nullAPZC = nullptr;
+ // so they should have the same APZC
+ EXPECT_FALSE(layers[0]->HasScrollableFrameMetrics());
+ EXPECT_NE(nullAPZC, ApzcOf(layers[1]));
+ EXPECT_NE(nullAPZC, ApzcOf(layers[2]));
+ EXPECT_EQ(ApzcOf(layers[1]), ApzcOf(layers[2]));
+
+ // Change the scrollId of layers[1], and verify the APZC changes
+ SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID + 1);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ EXPECT_NE(ApzcOf(layers[1]), ApzcOf(layers[2]));
+
+ // Change the scrollId of layers[2] to match that of layers[1], ensure we get the same
+ // APZC for both again
+ SetScrollableFrameMetrics(layers[2], FrameMetrics::START_SCROLL_ID + 1);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ EXPECT_EQ(ApzcOf(layers[1]), ApzcOf(layers[2]));
+}
+
+TEST_F(APZCTreeManagerTester, Bug1068268) {
+ CreatePotentiallyLeakingTree();
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+ RefPtr<HitTestingTreeNode> root = manager->GetRootNode();
+ RefPtr<HitTestingTreeNode> node2 = root->GetFirstChild()->GetFirstChild();
+ RefPtr<HitTestingTreeNode> node5 = root->GetLastChild()->GetLastChild();
+
+ EXPECT_EQ(ApzcOf(layers[2]), node5->GetApzc());
+ EXPECT_EQ(ApzcOf(layers[2]), node2->GetApzc());
+ EXPECT_EQ(ApzcOf(layers[0]), ApzcOf(layers[2])->GetParent());
+ EXPECT_EQ(ApzcOf(layers[2]), ApzcOf(layers[5]));
+
+ EXPECT_EQ(node2->GetFirstChild(), node2->GetLastChild());
+ EXPECT_EQ(ApzcOf(layers[3]), node2->GetLastChild()->GetApzc());
+ EXPECT_EQ(node5->GetFirstChild(), node5->GetLastChild());
+ EXPECT_EQ(ApzcOf(layers[6]), node5->GetLastChild()->GetApzc());
+ EXPECT_EQ(ApzcOf(layers[2]), ApzcOf(layers[3])->GetParent());
+ EXPECT_EQ(ApzcOf(layers[5]), ApzcOf(layers[6])->GetParent());
+}
+
+TEST_F(APZCTreeManagerTester, Bug1194876) {
+ CreateBug1194876Tree();
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+
+ uint64_t blockId;
+ nsTArray<ScrollableLayerGuid> targets;
+
+ // First touch goes down, APZCTM will hit layers[1] because it is on top of
+ // layers[0], but we tell it the real target APZC is layers[0].
+ MultiTouchInput mti;
+ mti = CreateMultiTouchInput(MultiTouchInput::MULTITOUCH_START, mcc->Time());
+ mti.mTouches.AppendElement(SingleTouchData(0, ParentLayerPoint(25, 50), ScreenSize(0, 0), 0, 0));
+ manager->ReceiveInputEvent(mti, nullptr, &blockId);
+ manager->ContentReceivedInputBlock(blockId, false);
+ targets.AppendElement(ApzcOf(layers[0])->GetGuid());
+ manager->SetTargetAPZC(blockId, targets);
+
+ // Around here, the above touch will get processed by ApzcOf(layers[0])
+
+ // Second touch goes down (first touch remains down), APZCTM will again hit
+ // layers[1]. Again we tell it both touches landed on layers[0], but because
+ // layers[1] is the RCD layer, it will end up being the multitouch target.
+ mti.mTouches.AppendElement(SingleTouchData(1, ParentLayerPoint(75, 50), ScreenSize(0, 0), 0, 0));
+ manager->ReceiveInputEvent(mti, nullptr, &blockId);
+ manager->ContentReceivedInputBlock(blockId, false);
+ targets.AppendElement(ApzcOf(layers[0])->GetGuid());
+ manager->SetTargetAPZC(blockId, targets);
+
+ // Around here, the above multi-touch will get processed by ApzcOf(layers[1]).
+ // We want to ensure that ApzcOf(layers[0]) has had its state cleared, because
+ // otherwise it will do things like dispatch spurious long-tap events.
+
+ EXPECT_CALL(*mcc, HandleTap(TapType::eLongTap, _, _, _, _)).Times(0);
+}
+
+TEST_F(APZCTreeManagerTester, Bug1198900) {
+ // This is just a test that cancels a wheel event to make sure it doesn't
+ // crash.
+ CreateSimpleDTCScrollingLayer();
+ ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
+ manager->UpdateHitTestingTree(0, root, false, 0, 0);
+
+ ScreenPoint origin(100, 50);
+ ScrollWheelInput swi(MillisecondsSinceStartup(mcc->Time()), mcc->Time(), 0,
+ ScrollWheelInput::SCROLLMODE_INSTANT, ScrollWheelInput::SCROLLDELTA_PIXEL,
+ origin, 0, 10, false);
+ uint64_t blockId;
+ manager->ReceiveInputEvent(swi, nullptr, &blockId);
+ manager->ContentReceivedInputBlock(blockId, /* preventDefault= */ true);
+}
+
diff --git a/gfx/layers/apz/test/gtest/moz.build b/gfx/layers/apz/test/gtest/moz.build
new file mode 100644
index 000000000..f3dc8c3dc
--- /dev/null
+++ b/gfx/layers/apz/test/gtest/moz.build
@@ -0,0 +1,33 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+UNIFIED_SOURCES += [
+ 'TestBasic.cpp',
+ 'TestEventRegions.cpp',
+ 'TestGestureDetector.cpp',
+ 'TestHitTesting.cpp',
+ 'TestInputQueue.cpp',
+ 'TestPanning.cpp',
+ 'TestPinching.cpp',
+ 'TestScrollHandoff.cpp',
+ 'TestSnapping.cpp',
+ 'TestTreeManager.cpp',
+]
+
+include('/ipc/chromium/chromium-config.mozbuild')
+
+LOCAL_INCLUDES += [
+ '/gfx/2d',
+ '/gfx/layers',
+ '/gfx/tests/gtest' # for TestLayers.h, which is shared with the gfx gtests
+]
+
+FINAL_LIBRARY = 'xul-gtest'
+
+CXXFLAGS += CONFIG['MOZ_CAIRO_CFLAGS']
+
+if CONFIG['GNU_CXX']:
+ CXXFLAGS += ['-Wno-error=shadow']
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 19:45:36 +0000