Add m-esr52 at 52.6.0

1 files changed, 313 insertions, 0 deletions

diff --git a/gfx/layers/ipc/APZCTreeManagerParent.cpp b/gfx/layers/ipc/APZCTreeManagerParent.cpp
new file mode 100644
index 000000000..33cd6ffff
--- /dev/null
+++ b/gfx/layers/ipc/APZCTreeManagerParent.cpp
@@ -0,0 +1,313 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=99: */
+/* 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 "mozilla/layers/APZCTreeManagerParent.h"
+
+#include "mozilla/layers/APZCTreeManager.h"
+#include "mozilla/layers/APZThreadUtils.h"
+
+namespace mozilla {
+namespace layers {
+
+APZCTreeManagerParent::APZCTreeManagerParent(uint64_t aLayersId, RefPtr<APZCTreeManager> aAPZCTreeManager)
+  : mLayersId(aLayersId)
+  , mTreeManager(aAPZCTreeManager)
+{
+  MOZ_ASSERT(aAPZCTreeManager != nullptr);
+}
+
+APZCTreeManagerParent::~APZCTreeManagerParent()
+{
+}
+
+void
+APZCTreeManagerParent::ChildAdopted(RefPtr<APZCTreeManager> aAPZCTreeManager)
+{
+  MOZ_ASSERT(aAPZCTreeManager != nullptr);
+  mTreeManager = aAPZCTreeManager;
+}
+
+bool
+APZCTreeManagerParent::RecvReceiveMultiTouchInputEvent(
+    const MultiTouchInput& aEvent,
+    nsEventStatus* aOutStatus,
+    MultiTouchInput* aOutEvent,
+    ScrollableLayerGuid* aOutTargetGuid,
+    uint64_t* aOutInputBlockId)
+{
+  MultiTouchInput event = aEvent;
+
+  *aOutStatus = mTreeManager->ReceiveInputEvent(
+    event,
+    aOutTargetGuid,
+    aOutInputBlockId);
+  *aOutEvent = event;
+
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvReceiveMouseInputEvent(
+    const MouseInput& aEvent,
+    nsEventStatus* aOutStatus,
+    MouseInput* aOutEvent,
+    ScrollableLayerGuid* aOutTargetGuid,
+    uint64_t* aOutInputBlockId)
+{
+  MouseInput event = aEvent;
+
+  *aOutStatus = mTreeManager->ReceiveInputEvent(
+    event,
+    aOutTargetGuid,
+    aOutInputBlockId);
+  *aOutEvent = event;
+
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvReceivePanGestureInputEvent(
+    const PanGestureInput& aEvent,
+    nsEventStatus* aOutStatus,
+    PanGestureInput* aOutEvent,
+    ScrollableLayerGuid* aOutTargetGuid,
+    uint64_t* aOutInputBlockId)
+{
+  PanGestureInput event = aEvent;
+
+  *aOutStatus = mTreeManager->ReceiveInputEvent(
+    event,
+    aOutTargetGuid,
+    aOutInputBlockId);
+  *aOutEvent = event;
+
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvReceivePinchGestureInputEvent(
+    const PinchGestureInput& aEvent,
+    nsEventStatus* aOutStatus,
+    PinchGestureInput* aOutEvent,
+    ScrollableLayerGuid* aOutTargetGuid,
+    uint64_t* aOutInputBlockId)
+{
+  PinchGestureInput event = aEvent;
+
+  *aOutStatus = mTreeManager->ReceiveInputEvent(
+    event,
+    aOutTargetGuid,
+    aOutInputBlockId);
+  *aOutEvent = event;
+
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvReceiveTapGestureInputEvent(
+    const TapGestureInput& aEvent,
+    nsEventStatus* aOutStatus,
+    TapGestureInput* aOutEvent,
+    ScrollableLayerGuid* aOutTargetGuid,
+    uint64_t* aOutInputBlockId)
+{
+  TapGestureInput event = aEvent;
+
+  *aOutStatus = mTreeManager->ReceiveInputEvent(
+    event,
+    aOutTargetGuid,
+    aOutInputBlockId);
+  *aOutEvent = event;
+
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvReceiveScrollWheelInputEvent(
+    const ScrollWheelInput& aEvent,
+    nsEventStatus* aOutStatus,
+    ScrollWheelInput* aOutEvent,
+    ScrollableLayerGuid* aOutTargetGuid,
+    uint64_t* aOutInputBlockId)
+{
+  ScrollWheelInput event = aEvent;
+
+  *aOutStatus = mTreeManager->ReceiveInputEvent(
+    event,
+    aOutTargetGuid,
+    aOutInputBlockId);
+  *aOutEvent = event;
+
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvZoomToRect(
+    const ScrollableLayerGuid& aGuid,
+    const CSSRect& aRect,
+    const uint32_t& aFlags)
+{
+  if (aGuid.mLayersId != mLayersId) {
+    // Guard against bad data from hijacked child processes
+    NS_ERROR("Unexpected layers id in RecvZoomToRect; dropping message...");
+    return false;
+  }
+
+  mTreeManager->ZoomToRect(aGuid, aRect, aFlags);
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvContentReceivedInputBlock(
+    const uint64_t& aInputBlockId,
+    const bool& aPreventDefault)
+{
+  APZThreadUtils::RunOnControllerThread(
+    NewRunnableMethod<uint64_t, bool>(mTreeManager,
+      &IAPZCTreeManager::ContentReceivedInputBlock,
+      aInputBlockId,
+      aPreventDefault));
+
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvSetTargetAPZC(
+    const uint64_t& aInputBlockId,
+    nsTArray<ScrollableLayerGuid>&& aTargets)
+{
+  for (size_t i = 0; i < aTargets.Length(); i++) {
+    if (aTargets[i].mLayersId != mLayersId) {
+      // Guard against bad data from hijacked child processes
+      NS_ERROR("Unexpected layers id in RecvSetTargetAPZC; dropping message...");
+      return false;
+    }
+  }
+  APZThreadUtils::RunOnControllerThread(NewRunnableMethod
+                                        <uint64_t,
+                                         StoreCopyPassByRRef<nsTArray<ScrollableLayerGuid>>>
+                                        (mTreeManager, &IAPZCTreeManager::SetTargetAPZC, aInputBlockId, aTargets));
+
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvUpdateZoomConstraints(
+    const ScrollableLayerGuid& aGuid,
+    const MaybeZoomConstraints& aConstraints)
+{
+  if (aGuid.mLayersId != mLayersId) {
+    // Guard against bad data from hijacked child processes
+    NS_ERROR("Unexpected layers id in RecvUpdateZoomConstraints; dropping message...");
+    return false;
+  }
+
+  mTreeManager->UpdateZoomConstraints(aGuid, aConstraints);
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvCancelAnimation(const ScrollableLayerGuid& aGuid)
+{
+  if (aGuid.mLayersId != mLayersId) {
+    // Guard against bad data from hijacked child processes
+    NS_ERROR("Unexpected layers id in RecvCancelAnimation; dropping message...");
+    return false;
+  }
+
+  mTreeManager->CancelAnimation(aGuid);
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvAdjustScrollForSurfaceShift(const ScreenPoint& aShift)
+{
+  mTreeManager->AdjustScrollForSurfaceShift(aShift);
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvSetDPI(const float& aDpiValue)
+{
+  mTreeManager->SetDPI(aDpiValue);
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvSetAllowedTouchBehavior(
+    const uint64_t& aInputBlockId,
+    nsTArray<TouchBehaviorFlags>&& aValues)
+{
+  APZThreadUtils::RunOnControllerThread(NewRunnableMethod
+                                        <uint64_t,
+                                         StoreCopyPassByRRef<nsTArray<TouchBehaviorFlags>>>
+                                        (mTreeManager,
+                                         &IAPZCTreeManager::SetAllowedTouchBehavior,
+                                         aInputBlockId, Move(aValues)));
+
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvStartScrollbarDrag(
+    const ScrollableLayerGuid& aGuid,
+    const AsyncDragMetrics& aDragMetrics)
+{
+  if (aGuid.mLayersId != mLayersId) {
+    // Guard against bad data from hijacked child processes
+    NS_ERROR("Unexpected layers id in RecvStartScrollbarDrag; dropping message...");
+    return false;
+  }
+
+    APZThreadUtils::RunOnControllerThread(
+        NewRunnableMethod<ScrollableLayerGuid, AsyncDragMetrics>(
+          mTreeManager,
+          &IAPZCTreeManager::StartScrollbarDrag,
+          aGuid, aDragMetrics));
+
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvSetLongTapEnabled(const bool& aTapGestureEnabled)
+{
+  mTreeManager->SetLongTapEnabled(aTapGestureEnabled);
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvProcessTouchVelocity(
+  const uint32_t& aTimestampMs,
+  const float& aSpeedY)
+{
+  mTreeManager->ProcessTouchVelocity(aTimestampMs, aSpeedY);
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvUpdateWheelTransaction(
+        const LayoutDeviceIntPoint& aRefPoint,
+        const EventMessage& aEventMessage)
+{
+  mTreeManager->UpdateWheelTransaction(aRefPoint, aEventMessage);
+  return true;
+}
+
+bool
+APZCTreeManagerParent::RecvTransformEventRefPoint(
+        const LayoutDeviceIntPoint& aRefPoint,
+        LayoutDeviceIntPoint* aOutRefPoint,
+        ScrollableLayerGuid* aOutTargetGuid)
+{
+  LayoutDeviceIntPoint refPoint = aRefPoint;
+  mTreeManager->TransformEventRefPoint(&refPoint, aOutTargetGuid);
+  *aOutRefPoint = refPoint;
+
+  return true;
+}
+
+} // namespace layers
+} // namespace mozilla