1 files changed, 96 insertions, 0 deletions
diff --git a/gfx/layers/ipc/RemoteContentController.h b/gfx/layers/ipc/RemoteContentController.h
new file mode 100644
index 000000000..d015ada4f
--- /dev/null
+++ b/gfx/layers/ipc/RemoteContentController.h
@@ -0,0 +1,96 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=8 et :
+ */
+/* 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 mozilla_layers_RemoteContentController_h
+#define mozilla_layers_RemoteContentController_h
+
+#include "mozilla/layers/GeckoContentController.h"
+#include "mozilla/layers/PAPZParent.h"
+
+namespace mozilla {
+
+namespace dom {
+class TabParent;
+}
+
+namespace layers {
+
+/**
+ * RemoteContentController implements PAPZChild and is used to access a
+ * GeckoContentController that lives in a different process.
+ *
+ * RemoteContentController lives on the compositor thread. All methods can
+ * be called off the compositor thread and will get dispatched to the right
+ * thread, with the exception of RequestContentRepaint and NotifyFlushComplete,
+ * which must be called on the repaint thread, which in this case is the compositor
+ * thread.
+ */
+class RemoteContentController : public GeckoContentController
+                              , public PAPZParent
+{
+  using GeckoContentController::TapType;
+  using GeckoContentController::APZStateChange;
+
+public:
+  RemoteContentController();
+
+  virtual ~RemoteContentController();
+
+  virtual void RequestContentRepaint(const FrameMetrics& aFrameMetrics) override;
+
+  virtual void HandleTap(TapType aTapType,
+                         const LayoutDevicePoint& aPoint,
+                         Modifiers aModifiers,
+                         const ScrollableLayerGuid& aGuid,
+                         uint64_t aInputBlockId) override;
+
+  virtual void NotifyPinchGesture(PinchGestureInput::PinchGestureType aType,
+                                  const ScrollableLayerGuid& aGuid,
+                                  LayoutDeviceCoord aSpanChange,
+                                  Modifiers aModifiers) override;
+
+  virtual void PostDelayedTask(already_AddRefed<Runnable> aTask, int aDelayMs) override;
+
+  virtual bool IsRepaintThread() override;
+
+  virtual void DispatchToRepaintThread(already_AddRefed<Runnable> aTask) override;
+
+  virtual void NotifyAPZStateChange(const ScrollableLayerGuid& aGuid,
+                                    APZStateChange aChange,
+                                    int aArg) override;
+
+  virtual void UpdateOverscrollVelocity(float aX, float aY, bool aIsRootContent) override;
+
+  virtual void UpdateOverscrollOffset(float aX, float aY, bool aIsRootContent) override;
+
+  virtual void SetScrollingRootContent(bool aIsRootContent) override;
+
+  virtual void NotifyMozMouseScrollEvent(const FrameMetrics::ViewID& aScrollId,
+                                         const nsString& aEvent) override;
+
+  virtual void NotifyFlushComplete() override;
+
+  virtual void ActorDestroy(ActorDestroyReason aWhy) override;
+
+  virtual void Destroy() override;
+
+private:
+  MessageLoop* mCompositorThread;
+  bool mCanSend;
+
+  void HandleTapOnMainThread(TapType aType,
+                             LayoutDevicePoint aPoint,
+                             Modifiers aModifiers,
+                             ScrollableLayerGuid aGuid,
+                             uint64_t aInputBlockId);
+};
+
+} // namespace layers
+
+} // namespace mozilla
+
+#endif // mozilla_layers_RemoteContentController_h