Adding instrumentation to locate the source of jankiness
[chromium-blink-merge.git] / chrome / browser / notifications / notification_object_proxy.h
blob937c535f4cffb382350023bb86982437a96c6214
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.
5 #ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_OBJECT_PROXY_H_
6 #define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_OBJECT_PROXY_H_
8 #include <string>
10 #include "base/memory/scoped_ptr.h"
11 #include "chrome/browser/notifications/notification_delegate.h"
13 namespace content {
14 class DesktopNotificationDelegate;
15 class RenderFrameHost;
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 scoped_ptr<content::DesktopNotificationDelegate> delegate);
30 // NotificationDelegate implementation.
31 virtual void Display() override;
32 virtual void Error() override;
33 virtual void Close(bool by_user) override;
34 virtual void Click() override;
35 virtual std::string id() const override;
37 protected:
38 friend class base::RefCountedThreadSafe<NotificationObjectProxy>;
40 virtual ~NotificationObjectProxy();
42 private:
43 scoped_ptr<content::DesktopNotificationDelegate> delegate_;
44 bool displayed_;
45 std::string id_;
48 #endif // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_OBJECT_PROXY_H_