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// Copyright (c) 2009 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 "base/ref_counted.h"
class MessageLoop;
namespace IPC {
class Message;
}
// 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 base::RefCountedThreadSafe<NotificationObjectProxy> {
public:
// Creates a Proxy object with the necessary callback information.
NotificationObjectProxy(int process_id, int route_id,
int notification_id, bool worker);
// To be called when the desktop notification is actually shown.
virtual void Display();
// To be called when the desktop notification cannot be shown due to an
// error.
virtual void Error();
// To be called when the desktop notification is closed. If closed by a
// user explicitly (as opposed to timeout/script), |by_user| should be true.
virtual void Close(bool by_user);
// Compares two proxies by ids to decide if they are equal.
bool IsSame(const NotificationObjectProxy& other) const {
return (notification_id_ == other.notification_id_ &&
route_id_ == other.route_id_ &&
process_id_ == other.process_id_ &&
worker_ == other.worker_);
}
protected:
friend class base::RefCountedThreadSafe<NotificationObjectProxy>;
virtual ~NotificationObjectProxy() {}
private:
// Called on UI thread to schedule a message for sending.
void DeliverMessage(IPC::Message* message);
// Called via Task on IO thread to actually send a message to a notification.
void Send(IPC::Message* message);
// Callback information to find the JS Notification object where it lives.
int process_id_;
int route_id_;
int notification_id_;
bool worker_;
};
#endif // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_OBJECT_PROXY_H_
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