dom/plugins/ipc/PluginWidgetParent.h
author Jim Mathies <jmathies@mozilla.com>
Tue, 07 Apr 2015 08:17:27 -0500
changeset 267839 24bb85e9dced4e8d8b33c2e1e48649ea1ffbc9a2
parent 263771 ac4464790ec4896a5188fa50cfc69ae0ffeddc08
child 280362 6a5137a37ec5e9ec6eda7eb787735357b759eb0f
permissions -rw-r--r--
Bug 1132874 - Simplify PPluginWidget protocol handling, and avoid sending async messages from the parent. Addresses a problem with sub protocols that are torn down randomly from either side of the connection. r=aklotz

/* 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 "nsIWidget.h"
#include "nsCOMPtr.h"

#if defined(MOZ_WIDGET_GTK)
class nsPluginNativeWindowGtk;
#endif

namespace mozilla {

namespace dom {
class TabParent;
}

namespace plugins {

class PluginWidgetParent : public PPluginWidgetParent
{
public:
  PluginWidgetParent();
  virtual ~PluginWidgetParent();

  virtual void ActorDestroy(ActorDestroyReason aWhy) override;
  virtual bool RecvCreate(nsresult* aResult) override;
  virtual bool RecvSetFocus(const bool& aRaise) override;
  virtual bool RecvGetNativePluginPort(uintptr_t* value) 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