From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 gfx/ipc/VsyncBridgeParent.cpp | 87 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 gfx/ipc/VsyncBridgeParent.cpp

(limited to 'gfx/ipc/VsyncBridgeParent.cpp')

diff --git a/gfx/ipc/VsyncBridgeParent.cpp b/gfx/ipc/VsyncBridgeParent.cpp
new file mode 100644
index 000000000..96ef5de0f
--- /dev/null
+++ b/gfx/ipc/VsyncBridgeParent.cpp
@@ -0,0 +1,87 @@
+/* -*- 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/. */
+#include "VsyncBridgeParent.h"
+#include "mozilla/layers/CompositorThread.h"
+
+namespace mozilla {
+namespace gfx {
+
+RefPtr<VsyncBridgeParent>
+VsyncBridgeParent::Start(Endpoint<PVsyncBridgeParent>&& aEndpoint)
+{
+  RefPtr<VsyncBridgeParent> parent = new VsyncBridgeParent();
+
+  RefPtr<Runnable> task = NewRunnableMethod<Endpoint<PVsyncBridgeParent>&&>(
+    parent, &VsyncBridgeParent::Open, Move(aEndpoint));
+  CompositorThreadHolder::Loop()->PostTask(task.forget());
+
+  return parent;
+}
+
+VsyncBridgeParent::VsyncBridgeParent()
+ : mOpen(false)
+{
+  MOZ_COUNT_CTOR(VsyncBridgeParent);
+}
+
+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");
+  }
+  AddRef();
+  mOpen = true;
+}
+
+bool
+VsyncBridgeParent::RecvNotifyVsync(const TimeStamp& aTimeStamp, const uint64_t& aLayersId)
+{
+  CompositorBridgeParent::NotifyVsync(aTimeStamp, aLayersId);
+  return true;
+}
+
+void
+VsyncBridgeParent::Shutdown()
+{
+  MessageLoop* ccloop = CompositorThreadHolder::Loop();
+  if (MessageLoop::current() != ccloop) {
+    ccloop->PostTask(NewRunnableMethod(this, &VsyncBridgeParent::ShutdownImpl));
+    return;
+  }
+
+  ShutdownImpl();
+}
+
+void
+VsyncBridgeParent::ShutdownImpl()
+{
+  if (mOpen) {
+    Close();
+    mOpen = false;
+  }
+}
+
+void
+VsyncBridgeParent::ActorDestroy(ActorDestroyReason aWhy)
+{
+  mOpen = false;
+}
+
+void
+VsyncBridgeParent::DeallocPVsyncBridgeParent()
+{
+  Release();
+}
+
+} // namespace gfx
+} // namespace mozilla
-- 
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