diff options
Diffstat (limited to 'gfx/layers/apz/test/gtest/TestHitTesting.cpp')
| -rw-r--r-- | gfx/layers/apz/test/gtest/TestHitTesting.cpp | 578 |
1 files changed, 578 insertions, 0 deletions
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()); +} |