Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 296 insertions, 0 deletions

diff --git a/gfx/layers/ipc/UiCompositorControllerParent.cpp b/gfx/layers/ipc/UiCompositorControllerParent.cpp
new file mode 100644
index 0000000000..1e34969e84
--- /dev/null
+++ b/gfx/layers/ipc/UiCompositorControllerParent.cpp
@@ -0,0 +1,296 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 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 "UiCompositorControllerParent.h"
+
+#if defined(MOZ_WIDGET_ANDROID)
+#  include "apz/src/APZCTreeManager.h"
+#  include "mozilla/widget/AndroidCompositorWidget.h"
+#endif
+#include <utility>
+
+#include "FrameMetrics.h"
+#include "SynchronousTask.h"
+#include "mozilla/Unused.h"
+#include "mozilla/gfx/Types.h"
+#include "mozilla/ipc/Endpoint.h"
+#include "mozilla/layers/Compositor.h"
+#include "mozilla/layers/CompositorBridgeParent.h"
+#include "mozilla/layers/CompositorThread.h"
+#include "mozilla/layers/UiCompositorControllerMessageTypes.h"
+#include "mozilla/layers/WebRenderBridgeParent.h"
+
+namespace mozilla {
+namespace layers {
+
+typedef CompositorBridgeParent::LayerTreeState LayerTreeState;
+
+/* static */
+RefPtr<UiCompositorControllerParent>
+UiCompositorControllerParent::GetFromRootLayerTreeId(
+    const LayersId& aRootLayerTreeId) {
+  RefPtr<UiCompositorControllerParent> controller;
+  CompositorBridgeParent::CallWithIndirectShadowTree(
+      aRootLayerTreeId, [&](LayerTreeState& aState) -> void {
+        controller = aState.mUiControllerParent;
+      });
+  return controller;
+}
+
+/* static */
+RefPtr<UiCompositorControllerParent> UiCompositorControllerParent::Start(
+    const LayersId& aRootLayerTreeId,
+    Endpoint<PUiCompositorControllerParent>&& aEndpoint) {
+  RefPtr<UiCompositorControllerParent> parent =
+      new UiCompositorControllerParent(aRootLayerTreeId);
+
+  RefPtr<Runnable> task =
+      NewRunnableMethod<Endpoint<PUiCompositorControllerParent>&&>(
+          "layers::UiCompositorControllerParent::Open", parent,
+          &UiCompositorControllerParent::Open, std::move(aEndpoint));
+  CompositorThread()->Dispatch(task.forget());
+
+  return parent;
+}
+
+mozilla::ipc::IPCResult UiCompositorControllerParent::RecvPause() {
+  CompositorBridgeParent* parent =
+      CompositorBridgeParent::GetCompositorBridgeParentFromLayersId(
+          mRootLayerTreeId);
+  if (parent) {
+    parent->PauseComposition();
+  }
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult UiCompositorControllerParent::RecvResume(
+    bool* aOutResumed) {
+  *aOutResumed = false;
+  CompositorBridgeParent* parent =
+      CompositorBridgeParent::GetCompositorBridgeParentFromLayersId(
+          mRootLayerTreeId);
+  if (parent) {
+    *aOutResumed = parent->ResumeComposition();
+  }
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult UiCompositorControllerParent::RecvResumeAndResize(
+    const int32_t& aX, const int32_t& aY, const int32_t& aWidth,
+    const int32_t& aHeight, bool* aOutResumed) {
+  *aOutResumed = false;
+  CompositorBridgeParent* parent =
+      CompositorBridgeParent::GetCompositorBridgeParentFromLayersId(
+          mRootLayerTreeId);
+  if (parent) {
+    // Front-end expects a first paint callback upon resume/resize.
+    parent->ForceIsFirstPaint();
+#if defined(MOZ_WIDGET_ANDROID)
+    parent->GetWidget()->AsAndroid()->NotifyClientSizeChanged(
+        LayoutDeviceIntSize(aWidth, aHeight));
+#endif
+    *aOutResumed = parent->ResumeCompositionAndResize(aX, aY, aWidth, aHeight);
+  }
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+UiCompositorControllerParent::RecvInvalidateAndRender() {
+  CompositorBridgeParent* parent =
+      CompositorBridgeParent::GetCompositorBridgeParentFromLayersId(
+          mRootLayerTreeId);
+  if (parent) {
+    parent->ScheduleComposition(wr::RenderReasons::OTHER);
+  }
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult UiCompositorControllerParent::RecvMaxToolbarHeight(
+    const int32_t& aHeight) {
+  mMaxToolbarHeight = aHeight;
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult UiCompositorControllerParent::RecvFixedBottomOffset(
+    const int32_t& aOffset) {
+#if defined(MOZ_WIDGET_ANDROID)
+  CompositorBridgeParent* parent =
+      CompositorBridgeParent::GetCompositorBridgeParentFromLayersId(
+          mRootLayerTreeId);
+  if (parent) {
+    parent->SetFixedLayerMargins(0, aOffset);
+  }
+#endif  // defined(MOZ_WIDGET_ANDROID)
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult UiCompositorControllerParent::RecvDefaultClearColor(
+    const uint32_t& aColor) {
+  LayerTreeState* state =
+      CompositorBridgeParent::GetIndirectShadowTree(mRootLayerTreeId);
+
+  if (state && state->mWrBridge) {
+    state->mWrBridge->SetClearColor(gfx::DeviceColor::UnusualFromARGB(aColor));
+  }
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+UiCompositorControllerParent::RecvRequestScreenPixels() {
+#if defined(MOZ_WIDGET_ANDROID)
+  LayerTreeState* state =
+      CompositorBridgeParent::GetIndirectShadowTree(mRootLayerTreeId);
+
+  if (state && state->mWrBridge) {
+    state->mWrBridge->RequestScreenPixels(this);
+    state->mWrBridge->ScheduleForcedGenerateFrame(wr::RenderReasons::OTHER);
+  }
+#endif  // defined(MOZ_WIDGET_ANDROID)
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+UiCompositorControllerParent::RecvEnableLayerUpdateNotifications(
+    const bool& aEnable) {
+#if defined(MOZ_WIDGET_ANDROID)
+  // Layers updates are need by Robocop test which enables them
+  mCompositorLayersUpdateEnabled = aEnable;
+#endif  // defined(MOZ_WIDGET_ANDROID)
+
+  return IPC_OK();
+}
+
+void UiCompositorControllerParent::ActorDestroy(ActorDestroyReason aWhy) {
+  MOZ_ASSERT(CompositorThreadHolder::IsInCompositorThread());
+  Shutdown();
+}
+
+void UiCompositorControllerParent::ToolbarAnimatorMessageFromCompositor(
+    int32_t aMessage) {
+  // This function can be call from ether compositor or controller thread.
+  if (!CompositorThreadHolder::IsInCompositorThread()) {
+    CompositorThread()->Dispatch(NewRunnableMethod<int32_t>(
+        "layers::UiCompositorControllerParent::"
+        "ToolbarAnimatorMessageFromCompositor",
+        this,
+        &UiCompositorControllerParent::ToolbarAnimatorMessageFromCompositor,
+        aMessage));
+    return;
+  }
+
+  Unused << SendToolbarAnimatorMessageFromCompositor(aMessage);
+}
+
+bool UiCompositorControllerParent::AllocPixelBuffer(const int32_t aSize,
+                                                    ipc::Shmem* aMem) {
+  MOZ_ASSERT(aSize > 0);
+  return AllocShmem(aSize, aMem);
+}
+
+void UiCompositorControllerParent::NotifyLayersUpdated() {
+#ifdef MOZ_WIDGET_ANDROID
+  if (mCompositorLayersUpdateEnabled) {
+    ToolbarAnimatorMessageFromCompositor(LAYERS_UPDATED);
+  }
+#endif
+}
+
+void UiCompositorControllerParent::NotifyFirstPaint() {
+  ToolbarAnimatorMessageFromCompositor(FIRST_PAINT);
+}
+
+void UiCompositorControllerParent::NotifyUpdateScreenMetrics(
+    const GeckoViewMetrics& aMetrics) {
+#if defined(MOZ_WIDGET_ANDROID)
+  // TODO: Need to handle different x-and y-scales.
+  CSSToScreenScale scale = ViewTargetAs<ScreenPixel>(
+      aMetrics.mZoom, PixelCastJustification::ScreenIsParentLayerForRoot);
+  ScreenPoint scrollOffset = aMetrics.mVisualScrollOffset * scale;
+  CompositorThread()->Dispatch(NewRunnableMethod<ScreenPoint, CSSToScreenScale>(
+      "UiCompositorControllerParent::SendRootFrameMetrics", this,
+      &UiCompositorControllerParent::SendRootFrameMetrics, scrollOffset,
+      scale));
+#endif
+}
+
+UiCompositorControllerParent::UiCompositorControllerParent(
+    const LayersId& aRootLayerTreeId)
+    : mRootLayerTreeId(aRootLayerTreeId)
+#ifdef MOZ_WIDGET_ANDROID
+      ,
+      mCompositorLayersUpdateEnabled(false)
+#endif
+      ,
+      mMaxToolbarHeight(0) {
+  MOZ_COUNT_CTOR(UiCompositorControllerParent);
+}
+
+UiCompositorControllerParent::~UiCompositorControllerParent() {
+  MOZ_COUNT_DTOR(UiCompositorControllerParent);
+}
+
+void UiCompositorControllerParent::InitializeForSameProcess() {
+  // This function is called by UiCompositorControllerChild in the main thread.
+  // So dispatch to the compositor thread to Initialize.
+  if (!CompositorThreadHolder::IsInCompositorThread()) {
+    SetOtherProcessId(base::GetCurrentProcId());
+    SynchronousTask task(
+        "UiCompositorControllerParent::InitializeForSameProcess");
+
+    CompositorThread()->Dispatch(NS_NewRunnableFunction(
+        "UiCompositorControllerParent::InitializeForSameProcess", [&]() {
+          AutoCompleteTask complete(&task);
+          InitializeForSameProcess();
+        }));
+
+    task.Wait();
+    return;
+  }
+
+  Initialize();
+}
+
+void UiCompositorControllerParent::InitializeForOutOfProcess() {
+  MOZ_ASSERT(CompositorThreadHolder::IsInCompositorThread());
+  Initialize();
+}
+
+void UiCompositorControllerParent::Initialize() {
+  MOZ_ASSERT(CompositorThreadHolder::IsInCompositorThread());
+  LayerTreeState* state =
+      CompositorBridgeParent::GetIndirectShadowTree(mRootLayerTreeId);
+  MOZ_ASSERT(state);
+  MOZ_ASSERT(state->mParent);
+  if (!state || !state->mParent) {
+    return;
+  }
+  state->mUiControllerParent = this;
+}
+
+void UiCompositorControllerParent::Open(
+    Endpoint<PUiCompositorControllerParent>&& aEndpoint) {
+  MOZ_ASSERT(CompositorThreadHolder::IsInCompositorThread());
+  if (!aEndpoint.Bind(this)) {
+    // We can't recover from this.
+    MOZ_CRASH("Failed to bind UiCompositorControllerParent to endpoint");
+  }
+  InitializeForOutOfProcess();
+}
+
+void UiCompositorControllerParent::Shutdown() {
+  MOZ_ASSERT(CompositorThreadHolder::IsInCompositorThread());
+  LayerTreeState* state =
+      CompositorBridgeParent::GetIndirectShadowTree(mRootLayerTreeId);
+  if (state) {
+    state->mUiControllerParent = nullptr;
+  }
+}
+
+}  // namespace layers
+}  // namespace mozilla