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-rw-r--r--gfx/layers/ipc/UiCompositorControllerChild.h120
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diff --git a/gfx/layers/ipc/UiCompositorControllerChild.h b/gfx/layers/ipc/UiCompositorControllerChild.h
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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