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 "base/memory/scoped_ptr.h"
  11 #include "chrome/browser/notifications/notification_delegate.h"
  12
  13 namespace content {
  14 class DesktopNotificationDelegate;
  15 class RenderFrameHost;
  16 }
  17
  18 // A NotificationObjectProxy stands in for the JavaScript Notification object
  19 // which corresponds to a notification toast on the desktop.  It can be signaled
  20 // when various events occur regarding the desktop notification, and the
  21 // attached JS listeners will be invoked in the renderer or worker process.
  22 class NotificationObjectProxy
  23     : public NotificationDelegate {
  24  public:
  25   // Creates a Proxy object with the necessary callback information. The Proxy
  26   // will take ownership of |delegate|.
  27   NotificationObjectProxy(
  28       content::RenderFrameHost* render_frame_host,
  29       scoped_ptr<content::DesktopNotificationDelegate> delegate);
  30
  31   // NotificationDelegate implementation.
  32   virtual void Display() OVERRIDE;
  33   virtual void Error() OVERRIDE;
  34   virtual void Close(bool by_user) OVERRIDE;
  35   virtual void Click() OVERRIDE;
  36   virtual std::string id() const OVERRIDE;
  37   virtual int process_id() const OVERRIDE;
  38   virtual content::WebContents* GetWebContents() const OVERRIDE;
  39
  40  protected:
  41   friend class base::RefCountedThreadSafe<NotificationObjectProxy>;
  42
  43   virtual ~NotificationObjectProxy();
  44
  45  private:
  46   // Callback information to find the JS Notification object where it lives.
  47   int render_process_id_;
  48   int render_frame_id_;
  49   scoped_ptr<content::DesktopNotificationDelegate> delegate_;
  50   bool displayed_;
  51   std::string id_;
  52 };
  53
  54 #endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_OBJECT_PROXY_H_