import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/plugins/ipc/PluginWidgetParent.h

@@ -0,0 +1,65 @@
+/* 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 mozilla_plugins_PluginWidgetParent_h
+#define mozilla_plugins_PluginWidgetParent_h
+
+#include "mozilla/plugins/PPluginWidgetParent.h"
+#include "nsAutoPtr.h"
+#include "nsIWidget.h"
+#include "nsCOMPtr.h"
+
+#if defined(MOZ_WIDGET_GTK)
+class nsPluginNativeWindowGtk;
+#endif
+
+namespace mozilla {
+
+namespace dom {
+class TabParent;
+} // namespace dom
+
+namespace plugins {
+
+class PluginWidgetParent : public PPluginWidgetParent
+{
+public:
+  PluginWidgetParent();
+  virtual ~PluginWidgetParent();
+
+  virtual void ActorDestroy(ActorDestroyReason aWhy) override;
+  virtual bool RecvCreate(nsresult* aResult, uint64_t* aScrollCaptureId,
+                          uintptr_t* aPluginInstanceId) override;
+  virtual bool RecvSetFocus(const bool& aRaise) override;
+  virtual bool RecvGetNativePluginPort(uintptr_t* value) override;
+  bool RecvSetNativeChildWindow(const uintptr_t& aChildWindow) override;
+
+  // Helper for compositor checks on the channel
+  bool ActorDestroyed() { return !mWidget; }
+
+  // Called by PBrowser when it receives a Destroy() call from the child.
+  void ParentDestroy();
+
+  // Sets mWidget's parent
+  void SetParent(nsIWidget* aParent);
+
+private:
+  // The tab our connection is associated with.
+  mozilla::dom::TabParent* GetTabParent();
+
+private:
+  void KillWidget();
+
+  // The chrome side native widget.
+  nsCOMPtr<nsIWidget> mWidget;
+#if defined(MOZ_WIDGET_GTK)
+  nsAutoPtr<nsPluginNativeWindowGtk> mWrapper;
+#endif
+};
+
+} // namespace plugins
+} // namespace mozilla
+
+#endif // mozilla_plugins_PluginWidgetParent_h
+