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Diffstat (limited to 'gfx/layers/ipc/UiCompositorControllerParent.cpp')
| -rw-r--r-- | gfx/layers/ipc/UiCompositorControllerParent.cpp | 296 |
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 |