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/* -*- 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/. */
#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"
#ifdef MOZ_WIDGET_ANDROID
# include "SurfaceTexture.h"
# include "mozilla/java/CompositorSurfaceManagerWrappers.h"
#endif
class nsBaseWidget;
namespace mozilla {
namespace layers {
class UiCompositorControllerChild final
: protected PUiCompositorControllerChild {
friend class PUiCompositorControllerChild;
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(UiCompositorControllerChild, final)
static RefPtr<UiCompositorControllerChild> CreateForSameProcess(
const LayersId& aRootLayerTreeId, nsBaseWidget* aWidget);
static RefPtr<UiCompositorControllerChild> CreateForGPUProcess(
const uint64_t& aProcessToken,
Endpoint<PUiCompositorControllerChild>&& aEndpoint,
nsBaseWidget* aWidget);
bool Pause();
bool Resume();
bool ResumeAndResize(const int32_t& aX, const int32_t& aY,
const int32_t& aHeight, const int32_t& aWidth);
bool InvalidateAndRender();
bool SetMaxToolbarHeight(const int32_t& aHeight);
bool SetFixedBottomOffset(int32_t aOffset);
bool ToolbarAnimatorMessageFromUI(const int32_t& aMessage);
bool SetDefaultClearColor(const uint32_t& aColor);
bool RequestScreenPixels();
bool EnableLayerUpdateNotifications(const bool& aEnable);
void Destroy();
bool DeallocPixelBuffer(Shmem& aMem);
#ifdef MOZ_WIDGET_ANDROID
// Set mCompositorSurfaceManager. Must be called straight after initialization
// for GPU process controllers. Do not call for in-process controllers. This
// is separate from CreateForGPUProcess to avoid cluttering its declaration
// with JNI types.
void SetCompositorSurfaceManager(
java::CompositorSurfaceManager::Param aCompositorSurfaceManager);
// Send a Surface to the GPU process that a given widget ID should be
// composited in to. If not using a GPU process this function does nothing, as
// the InProcessCompositorWidget can read the Surface directly from the
// widget.
//
// Note that this function does not actually use the PUiCompositorController
// IPDL protocol, and instead uses Android's binder IPC mechanism via
// mCompositorSurfaceManager. It can be called from any thread.
void OnCompositorSurfaceChanged(int32_t aWidgetId,
java::sdk::Surface::Param aSurface);
#endif
protected:
void ActorDestroy(ActorDestroyReason aWhy) override;
void ProcessingError(Result aCode, const char* aReason) override;
void HandleFatalError(const char* aMsg) override;
mozilla::ipc::IPCResult RecvToolbarAnimatorMessageFromCompositor(
const int32_t& aMessage);
mozilla::ipc::IPCResult RecvRootFrameMetrics(const ScreenPoint& aScrollOffset,
const CSSToScreenScale& aZoom);
mozilla::ipc::IPCResult RecvScreenPixels(Shmem&& aMem,
const ScreenIntSize& aSize,
bool aNeedsYFlip);
private:
explicit UiCompositorControllerChild(const uint64_t& aProcessToken,
nsBaseWidget* aWidget);
virtual ~UiCompositorControllerChild();
void OpenForSameProcess();
void OpenForGPUProcess(Endpoint<PUiCompositorControllerChild>&& aEndpoint);
void SendCachedValues();
bool mIsOpen;
uint64_t mProcessToken;
Maybe<gfx::IntRect> mResize;
Maybe<int32_t> mMaxToolbarHeight;
Maybe<uint32_t> mDefaultClearColor;
Maybe<bool> mLayerUpdateEnabled;
RefPtr<nsBaseWidget> mWidget;
// Should only be set when compositor is in process.
RefPtr<UiCompositorControllerParent> mParent;
#ifdef MOZ_WIDGET_ANDROID
// Android interface to send Surfaces to the GPU process. This uses Android
// binder rather than IPDL because Surfaces cannot be sent via IPDL. It lives
// here regardless because it is a conceptually logical location, even if the
// underlying IPC mechanism is different.
// This will be null if there is no GPU process.
mozilla::java::CompositorSurfaceManager::GlobalRef mCompositorSurfaceManager;
#endif
};
} // namespace layers
} // namespace mozilla
#endif // include_gfx_ipc_UiCompositorControllerChild_h
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