1 files changed, 47 insertions, 0 deletions
diff --git a/gfx/ipc/VsyncBridgeParent.h b/gfx/ipc/VsyncBridgeParent.h
new file mode 100644
index 0000000000..1d1c5c7ef3
--- /dev/null
+++ b/gfx/ipc/VsyncBridgeParent.h
@@ -0,0 +1,47 @@
+/* -*- 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_VsyncBridgeParent_h
+#define include_gfx_ipc_VsyncBridgeParent_h
+
+#include "mozilla/RefPtr.h"
+#include "mozilla/gfx/PVsyncBridgeParent.h"
+
+namespace mozilla {
+namespace layers {
+class CompositorThreadHolder;
+}  // namespace layers
+
+namespace gfx {
+
+class VsyncBridgeParent final : public PVsyncBridgeParent {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VsyncBridgeParent, final)
+
+  static RefPtr<VsyncBridgeParent> Start(
+      Endpoint<PVsyncBridgeParent>&& aEndpoint);
+
+  mozilla::ipc::IPCResult RecvNotifyVsync(const VsyncEvent& aVsync,
+                                          const LayersId& aLayersId);
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+
+  void Shutdown();
+
+ private:
+  VsyncBridgeParent();
+  ~VsyncBridgeParent();
+
+  void Open(Endpoint<PVsyncBridgeParent>&& aEndpoint);
+  void ShutdownImpl();
+
+ private:
+  bool mOpen;
+  RefPtr<layers::CompositorThreadHolder> mCompositorThreadRef;
+};
+
+}  // namespace gfx
+}  // namespace mozilla
+
+#endif  // include_gfx_ipc_VsyncBridgeParent_h