chrome/browser/notifications/notification_object_proxy.h

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_OBJECT_PROXY_H_
#define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_OBJECT_PROXY_H_

#include <string>

#include "chrome/browser/notifications/notification_delegate.h"

namespace content {
class DesktopNotificationDelegate;
class RenderFrameHost;
}

// A NotificationObjectProxy stands in for the JavaScript Notification object
// which corresponds to a notification toast on the desktop.  It can be signaled
// when various events occur regarding the desktop notification, and the
// attached JS listeners will be invoked in the renderer or worker process.
class NotificationObjectProxy
    : public NotificationDelegate {
 public:
  // Creates a Proxy object with the necessary callback information.
  NotificationObjectProxy(content::RenderFrameHost* render_frame_host,
                          content::DesktopNotificationDelegate* delegate);

  // NotificationDelegate implementation.
  virtual void Display() OVERRIDE;
  virtual void Error() OVERRIDE;
  virtual void Close(bool by_user) OVERRIDE;
  virtual void Click() OVERRIDE;
  virtual std::string id() const OVERRIDE;
  virtual int process_id() const OVERRIDE;
  virtual content::WebContents* GetWebContents() const OVERRIDE;

 protected:
  friend class base::RefCountedThreadSafe<NotificationObjectProxy>;

  virtual ~NotificationObjectProxy() {}

 private:
  // Callback information to find the JS Notification object where it lives.
  int render_process_id_;
  int render_frame_id_;
  content::DesktopNotificationDelegate* delegate_;
  bool displayed_;
  std::string id_;
};

#endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_OBJECT_PROXY_H_