gecko-dev/dom/plugins/ipc/PluginWidgetParent.h

/* 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