1 files changed, 84 insertions, 0 deletions
diff --git a/gfx/layers/ipc/UiCompositorControllerParent.h b/gfx/layers/ipc/UiCompositorControllerParent.h
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+++ b/gfx/layers/ipc/UiCompositorControllerParent.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_UiCompositorControllerParent_h
+#define include_gfx_ipc_UiCompositorControllerParent_h
+
+#include "mozilla/layers/PUiCompositorControllerParent.h"
+#include "mozilla/layers/APZUtils.h"
+#include "mozilla/ipc/Shmem.h"
+#include "mozilla/RefPtr.h"
+
+namespace mozilla {
+namespace layers {
+
+struct FrameMetrics;
+
+class UiCompositorControllerParent final
+    : public PUiCompositorControllerParent {
+  // UiCompositorControllerChild needs to call the private constructor when
+  // running in process.
+  friend class UiCompositorControllerChild;
+
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(UiCompositorControllerParent, final)
+
+  static RefPtr<UiCompositorControllerParent> GetFromRootLayerTreeId(
+      const LayersId& aRootLayerTreeId);
+  static RefPtr<UiCompositorControllerParent> Start(
+      const LayersId& aRootLayerTreeId,
+      Endpoint<PUiCompositorControllerParent>&& aEndpoint);
+
+  // PUiCompositorControllerParent functions
+  mozilla::ipc::IPCResult RecvPause();
+  mozilla::ipc::IPCResult RecvResume(bool* aOutResumed);
+  mozilla::ipc::IPCResult RecvResumeAndResize(const int32_t& aX,
+                                              const int32_t& aY,
+                                              const int32_t& aHeight,
+                                              const int32_t& aWidth,
+                                              bool* aOutResumed);
+  mozilla::ipc::IPCResult RecvInvalidateAndRender();
+  mozilla::ipc::IPCResult RecvMaxToolbarHeight(const int32_t& aHeight);
+  mozilla::ipc::IPCResult RecvFixedBottomOffset(const int32_t& aOffset);
+  mozilla::ipc::IPCResult RecvDefaultClearColor(const uint32_t& aColor);
+  mozilla::ipc::IPCResult RecvRequestScreenPixels();
+  mozilla::ipc::IPCResult RecvEnableLayerUpdateNotifications(
+      const bool& aEnable);
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+
+  // Class specific functions
+  void ToolbarAnimatorMessageFromCompositor(int32_t aMessage);
+  bool AllocPixelBuffer(const int32_t aSize, Shmem* aMem);
+
+  // Called when a layer has been updated so the UI thread may be notified if
+  // necessary.
+  void NotifyLayersUpdated();
+  void NotifyFirstPaint();
+  void NotifyUpdateScreenMetrics(const GeckoViewMetrics& aMetrics);
+
+ private:
+  explicit UiCompositorControllerParent(const LayersId& aRootLayerTreeId);
+  virtual ~UiCompositorControllerParent();
+  void InitializeForSameProcess();
+  void InitializeForOutOfProcess();
+  void Initialize();
+  void Open(Endpoint<PUiCompositorControllerParent>&& aEndpoint);
+  void Shutdown();
+
+  LayersId mRootLayerTreeId;
+
+#if defined(MOZ_WIDGET_ANDROID)
+  bool mCompositorLayersUpdateEnabled;  // Flag set to true when the UI thread
+                                        // is expecting to be notified when a
+                                        // layer has been updated
+#endif                                  // defined(MOZ_WIDGET_ANDROID)
+
+  int32_t mMaxToolbarHeight;
+};
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif  // include_gfx_ipc_UiCompositorControllerParent_h