1 files changed, 57 insertions, 0 deletions
diff --git a/gfx/ipc/VsyncBridgeChild.h b/gfx/ipc/VsyncBridgeChild.h
new file mode 100644
index 000000000..866138062
--- /dev/null
+++ b/gfx/ipc/VsyncBridgeChild.h
@@ -0,0 +1,57 @@
+/* -*- 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_VsyncBridgeChild_h
+#define include_gfx_ipc_VsyncBridgeChild_h
+
+#include "mozilla/RefPtr.h"
+#include "mozilla/gfx/PVsyncBridgeChild.h"
+
+namespace mozilla {
+namespace gfx {
+
+class VsyncIOThreadHolder;
+
+class VsyncBridgeChild final : public PVsyncBridgeChild
+{
+  friend class NotifyVsyncTask;
+
+public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VsyncBridgeChild)
+
+  static RefPtr<VsyncBridgeChild> Create(RefPtr<VsyncIOThreadHolder> aThread,
+                                         const uint64_t& aProcessToken,
+                                         Endpoint<PVsyncBridgeChild>&& aEndpoint);
+
+  void Close();
+
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+  void DeallocPVsyncBridgeChild() override;
+  void ProcessingError(Result aCode, const char* aReason) override;
+
+  void NotifyVsync(TimeStamp aTimeStamp, const uint64_t& aLayersId);
+
+  virtual void HandleFatalError(const char* aName, const char* aMsg) const override;
+
+private:
+  VsyncBridgeChild(RefPtr<VsyncIOThreadHolder>, const uint64_t& aProcessToken);
+  ~VsyncBridgeChild();
+
+  void Open(Endpoint<PVsyncBridgeChild>&& aEndpoint);
+
+  void NotifyVsyncImpl(TimeStamp aTimeStamp, const uint64_t& aLayersId);
+
+  bool IsOnVsyncIOThread() const;
+
+private:
+  RefPtr<VsyncIOThreadHolder> mThread;
+  MessageLoop* mLoop;
+  uint64_t mProcessToken;
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif // include_gfx_ipc_VsyncBridgeChild_h