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notification.h

// Copyright (c) 2010 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_H_
#define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_H_

#include "base/basictypes.h"
#include "chrome/browser/notifications/notification_object_proxy.h"
#include "googleurl/src/gurl.h"

class NotificationDelegate;

// Representation of an notification to be shown to the user.  All
// notifications at this level are HTML, although they may be
// data: URLs representing simple text+icon notifications.
class Notification {
 public:
  // TODO: http://crbug.com/43899 Convert this class to string16.
  Notification(const GURL& origin_url, const GURL& content_url,
               const std::wstring& display_source,
               const string16& replace_id,
               NotificationDelegate* delegate)
      : origin_url_(origin_url),
        content_url_(content_url),
        display_source_(display_source),
        replace_id_(replace_id),
        delegate_(delegate) {
  }

  Notification(const Notification& notification)
      : origin_url_(notification.origin_url()),
        content_url_(notification.content_url()),
        display_source_(notification.display_source()),
        replace_id_(notification.replace_id()),
        delegate_(notification.delegate()) {
  }

  void operator=(const Notification& notification) {
    origin_url_ = notification.origin_url();
    content_url_ = notification.content_url();
    display_source_ = notification.display_source();
    replace_id_ = notification.replace_id();
    delegate_ = notification.delegate();
  }

  // The URL (may be data:) containing the contents for the notification.
  const GURL& content_url() const { return content_url_; }

  // The origin URL of the script which requested the notification.
  const GURL& origin_url() const { return origin_url_; }

  // A display string for the source of the notification.
  const std::wstring& display_source() const { return display_source_; }

  const string16& replace_id() const { return replace_id_; }

  void Display() const { delegate()->Display(); }
  void Error() const { delegate()->Error(); }
  void Close(bool by_user) const { delegate()->Close(by_user); }

  bool IsSame(const Notification& other) const {
    return delegate()->id() == other.delegate()->id();
  }

 private:
  NotificationDelegate* delegate() const { return delegate_.get(); }

  // The Origin of the page/worker which created this notification.
  GURL origin_url_;

  // The URL of the HTML content of the toast (may be a data: URL for simple
  // string-based notifications).
  GURL content_url_;

  // The display string for the source of the notification.  Could be
  // the same as origin_url_, or the name of an extension.
  std::wstring display_source_;

  // The replace ID for the notification.
  string16 replace_id_;

  // A proxy object that allows access back to the JavaScript object that
  // represents the notification, for firing events.
  scoped_refptr<NotificationDelegate> delegate_;
};

#endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_H_

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