1 files changed, 74 insertions, 0 deletions
diff --git a/gfx/ipc/VsyncBridgeParent.cpp b/gfx/ipc/VsyncBridgeParent.cpp
new file mode 100644
index 0000000000..c98b641ba2
--- /dev/null
+++ b/gfx/ipc/VsyncBridgeParent.cpp
@@ -0,0 +1,74 @@
+/* -*- 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/. */
+#include "VsyncBridgeParent.h"
+#include "mozilla/ipc/Endpoint.h"
+#include "mozilla/layers/CompositorBridgeParent.h"
+#include "mozilla/layers/CompositorThread.h"
+
+using mozilla::layers::CompositorBridgeParent;
+using mozilla::layers::CompositorThreadHolder;
+
+namespace mozilla {
+namespace gfx {
+
+RefPtr<VsyncBridgeParent> VsyncBridgeParent::Start(
+    Endpoint<PVsyncBridgeParent>&& aEndpoint) {
+  RefPtr<VsyncBridgeParent> parent = new VsyncBridgeParent();
+
+  RefPtr<Runnable> task = NewRunnableMethod<Endpoint<PVsyncBridgeParent>&&>(
+      "gfx::VsyncBridgeParent::Open", parent, &VsyncBridgeParent::Open,
+      std::move(aEndpoint));
+  layers::CompositorThread()->Dispatch(task.forget());
+
+  return parent;
+}
+
+VsyncBridgeParent::VsyncBridgeParent() : mOpen(false) {
+  MOZ_COUNT_CTOR(VsyncBridgeParent);
+  mCompositorThreadRef = CompositorThreadHolder::GetSingleton();
+}
+
+VsyncBridgeParent::~VsyncBridgeParent() { MOZ_COUNT_DTOR(VsyncBridgeParent); }
+
+void VsyncBridgeParent::Open(Endpoint<PVsyncBridgeParent>&& aEndpoint) {
+  if (!aEndpoint.Bind(this)) {
+    // We can't recover from this.
+    MOZ_CRASH("Failed to bind VsyncBridgeParent to endpoint");
+  }
+  mOpen = true;
+}
+
+mozilla::ipc::IPCResult VsyncBridgeParent::RecvNotifyVsync(
+    const VsyncEvent& aVsync, const LayersId& aLayersId) {
+  CompositorBridgeParent::NotifyVsync(aVsync, aLayersId);
+  return IPC_OK();
+}
+
+void VsyncBridgeParent::Shutdown() {
+  if (!CompositorThreadHolder::IsInCompositorThread()) {
+    layers::CompositorThread()->Dispatch(
+        NewRunnableMethod("gfx::VsyncBridgeParent::ShutdownImpl", this,
+                          &VsyncBridgeParent::ShutdownImpl));
+    return;
+  }
+
+  ShutdownImpl();
+}
+
+void VsyncBridgeParent::ShutdownImpl() {
+  if (mOpen) {
+    Close();
+    mOpen = false;
+  }
+}
+
+void VsyncBridgeParent::ActorDestroy(ActorDestroyReason aWhy) {
+  mOpen = false;
+  mCompositorThreadRef = nullptr;
+}
+
+}  // namespace gfx
+}  // namespace mozilla