chrome/browser/notifications/notification_object_proxy.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_OBJECT_PROXY_H_
   6 #define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_OBJECT_PROXY_H_
   7
   8 #include <string>
   9
  10 #include "chrome/browser/notifications/notification_delegate.h"
  11
  12 namespace content {
  13 class DesktopNotificationDelegate;
  14 class RenderFrameHost;
  15 }
  16
  17 // A NotificationObjectProxy stands in for the JavaScript Notification object
  18 // which corresponds to a notification toast on the desktop.  It can be signaled
  19 // when various events occur regarding the desktop notification, and the
  20 // attached JS listeners will be invoked in the renderer or worker process.
  21 class NotificationObjectProxy
  22     : public NotificationDelegate {
  23  public:
  24   // Creates a Proxy object with the necessary callback information.
  25   NotificationObjectProxy(content::RenderFrameHost* render_frame_host,
  26                           content::DesktopNotificationDelegate* delegate);
  27
  28   // NotificationDelegate implementation.
  29   virtual void Display() OVERRIDE;
  30   virtual void Error() OVERRIDE;
  31   virtual void Close(bool by_user) OVERRIDE;
  32   virtual void Click() OVERRIDE;
  33   virtual std::string id() const OVERRIDE;
  34   virtual int process_id() const OVERRIDE;
  35   virtual content::WebContents* GetWebContents() const OVERRIDE;
  36
  37  protected:
  38   friend class base::RefCountedThreadSafe<NotificationObjectProxy>;
  39
  40   virtual ~NotificationObjectProxy() {}
  41
  42  private:
  43   // Callback information to find the JS Notification object where it lives.
  44   int render_process_id_;
  45   int render_frame_id_;
  46   content::DesktopNotificationDelegate* delegate_;
  47   bool displayed_;
  48   std::string id_;
  49 };
  50
  51 #endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_OBJECT_PROXY_H_