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

---
 widget/windows/CompositorWidgetChild.cpp | 78 ++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 widget/windows/CompositorWidgetChild.cpp

(limited to 'widget/windows/CompositorWidgetChild.cpp')

diff --git a/widget/windows/CompositorWidgetChild.cpp b/widget/windows/CompositorWidgetChild.cpp
new file mode 100644
index 000000000..55d71d21e
--- /dev/null
+++ b/widget/windows/CompositorWidgetChild.cpp
@@ -0,0 +1,78 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 "CompositorWidgetChild.h"
+#include "mozilla/Unused.h"
+#include "mozilla/widget/CompositorWidgetVsyncObserver.h"
+#include "nsBaseWidget.h"
+#include "VsyncDispatcher.h"
+
+namespace mozilla {
+namespace widget {
+
+CompositorWidgetChild::CompositorWidgetChild(RefPtr<CompositorVsyncDispatcher> aVsyncDispatcher,
+                                             RefPtr<CompositorWidgetVsyncObserver> aVsyncObserver)
+ : mVsyncDispatcher(aVsyncDispatcher),
+   mVsyncObserver(aVsyncObserver)
+{
+  MOZ_ASSERT(XRE_IsParentProcess());
+}
+
+CompositorWidgetChild::~CompositorWidgetChild()
+{
+}
+
+void
+CompositorWidgetChild::EnterPresentLock()
+{
+  Unused << SendEnterPresentLock();
+}
+
+void
+CompositorWidgetChild::LeavePresentLock()
+{
+  Unused << SendLeavePresentLock();
+}
+
+void
+CompositorWidgetChild::OnDestroyWindow()
+{
+}
+
+void
+CompositorWidgetChild::UpdateTransparency(nsTransparencyMode aMode)
+{
+  Unused << SendUpdateTransparency(static_cast<int32_t>(aMode));
+}
+
+void
+CompositorWidgetChild::ClearTransparentWindow()
+{
+  Unused << SendClearTransparentWindow();
+}
+
+HDC
+CompositorWidgetChild::GetTransparentDC() const
+{
+  // Not supported in out-of-process mode.
+  return nullptr;
+}
+
+bool
+CompositorWidgetChild::RecvObserveVsync()
+{
+  mVsyncDispatcher->SetCompositorVsyncObserver(mVsyncObserver);
+  return true;
+}
+
+bool
+CompositorWidgetChild::RecvUnobserveVsync()
+{
+  mVsyncDispatcher->SetCompositorVsyncObserver(nullptr);
+  return true;
+}
+
+} // namespace widget
+} // namespace mozilla
-- 
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