Add m-esr52 at 52.6.0

1 files changed, 35 insertions, 0 deletions

diff --git a/widget/windows/InProcessWinCompositorWidget.h b/widget/windows/InProcessWinCompositorWidget.h
new file mode 100644
index 0000000000..2ce6ba0be1
--- /dev/null
+++ b/widget/windows/InProcessWinCompositorWidget.h
@@ -0,0 +1,35 @@
+/* -*- 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/. */
+
+#ifndef widget_windows_InProcessCompositorWidgetParent_h
+#define widget_windows_InProcessCompositorWidgetParent_h
+
+#include "WinCompositorWidget.h"
+
+class nsWindow;
+
+namespace mozilla {
+namespace widget {
+
+// This is the Windows-specific implementation of CompositorWidget. For
+// the most part it only requires an HWND, however it maintains extra state
+// for transparent windows, as well as for synchronizing WM_SETTEXT messages
+// with the compositor.
+class InProcessWinCompositorWidget final : public WinCompositorWidget
+{
+public:
+  InProcessWinCompositorWidget(const CompositorWidgetInitData& aInitData, nsWindow* aWindow);
+
+  void ObserveVsync(VsyncObserver* aObserver) override;
+  nsIWidget* RealWidget() override;
+
+private:
+  nsWindow* mWindow;
+};
+
+} // namespace widget
+} // namespace mozilla
+
+#endif // widget_windows_InProcessCompositorWidgetParent_h