gecko-dev/gfx/layers/ipc/UiCompositorControllerChild.h

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/* -*- 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/. */
#ifndef include_gfx_ipc_UiCompositorControllerChild_h
#define include_gfx_ipc_UiCompositorControllerChild_h
#include "mozilla/layers/PUiCompositorControllerChild.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/Maybe.h"
#include "mozilla/ipc/Shmem.h"
#include "mozilla/layers/UiCompositorControllerParent.h"
#include "mozilla/RefPtr.h"
#include "nsThread.h"
class nsBaseWidget;
namespace mozilla {
namespace layers {
class UiCompositorControllerChild final : protected PUiCompositorControllerChild
{
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(UiCompositorControllerChild)
static RefPtr<UiCompositorControllerChild> CreateForSameProcess(const int64_t& aRootLayerTreeId);
static RefPtr<UiCompositorControllerChild> CreateForGPUProcess(const uint64_t& aProcessToken,
Endpoint<PUiCompositorControllerChild>&& aEndpoint);
bool Pause();
bool Resume();
bool ResumeAndResize(const int32_t& aHeight, const int32_t& aWidth);
bool InvalidateAndRender();
bool SetMaxToolbarHeight(const int32_t& aHeight);
bool SetPinned(const bool& aPinned, const int32_t& aReason);
bool ToolbarAnimatorMessageFromUI(const int32_t& aMessage);
bool SetDefaultClearColor(const uint32_t& aColor);
bool RequestScreenPixels();
bool EnableLayerUpdateNotifications(const bool& aEnable);
bool ToolbarPixelsToCompositor(Shmem& aMem, const ScreenIntSize& aSize);
void Destroy();
void SetBaseWidget(nsBaseWidget* aWidget);
bool AllocPixelBuffer(const int32_t aSize, Shmem* aMem);
bool DeallocPixelBuffer(Shmem& aMem);
protected:
void ActorDestroy(ActorDestroyReason aWhy) override;
void DeallocPUiCompositorControllerChild() override;
void ProcessingError(Result aCode, const char* aReason) override;
virtual void HandleFatalError(const char* aName, const char* aMsg) const override;
mozilla::ipc::IPCResult RecvToolbarAnimatorMessageFromCompositor(const int32_t& aMessage) override;
mozilla::ipc::IPCResult RecvRootFrameMetrics(const ScreenPoint& aScrollOffset, const CSSToScreenScale& aZoom) override;
mozilla::ipc::IPCResult RecvScreenPixels(ipc::Shmem&& aMem, const ScreenIntSize& aSize) override;
private:
explicit UiCompositorControllerChild(const uint64_t& aProcessToken);
~UiCompositorControllerChild();
void OpenForSameProcess();
void OpenForGPUProcess(Endpoint<PUiCompositorControllerChild>&& aEndpoint);
void SendCachedValues();
bool mIsOpen;
uint64_t mProcessToken;
Maybe<gfx::IntSize> mResize;
Maybe<int32_t> mMaxToolbarHeight;
Maybe<uint32_t> mDefaultClearColor;
Maybe<bool> mLayerUpdateEnabled;
nsBaseWidget* mWidget;
// Should only be set when compositor is in process.
RefPtr<UiCompositorControllerParent> mParent;
};
} // namespace layers
} // namespace mozilla
#endif // include_gfx_ipc_UiCompositorControllerChild_h