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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_COMMON_DESKTOP_NOTIFICATIONS_ACTIVE_NOTIFICATION_TRACKER_H_
#define CHROME_COMMON_DESKTOP_NOTIFICATIONS_ACTIVE_NOTIFICATION_TRACKER_H_
#pragma once
#include <map>
#include "base/basictypes.h"
#include "base/id_map.h"
#include "base/hash_tables.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebNotification.h"
namespace WebKit {
class WebNotificationPermissionCallback;
}
// This class manages the set of active Notification objects in either
// a render or worker process. This class should be accessed only on
// the main thread.
class ActiveNotificationTracker {
public:
ActiveNotificationTracker();
~ActiveNotificationTracker();
// Methods for tracking active notification objects.
int RegisterNotification(const WebKit::WebNotification& notification);
void UnregisterNotification(int id);
bool GetId(const WebKit::WebNotification& notification, int& id);
bool GetNotification(int id, WebKit::WebNotification* notification);
// Methods for tracking active permission requests.
int RegisterPermissionRequest(
WebKit::WebNotificationPermissionCallback* callback);
void OnPermissionRequestComplete(int id);
WebKit::WebNotificationPermissionCallback* GetCallback(int id);
// Clears out all active notifications. Useful on page navigation.
void Clear();
// Detaches all active notifications from their presenter. Necessary
// when the Presenter is destroyed.
void DetachAll();
private:
typedef std::map<WebKit::WebNotification, int> ReverseTable;
// Tracking maps for active notifications and permission requests.
IDMap<WebKit::WebNotification> notification_table_;
ReverseTable reverse_notification_table_;
IDMap<WebKit::WebNotificationPermissionCallback> callback_table_;
DISALLOW_COPY_AND_ASSIGN(ActiveNotificationTracker);
};
#endif // CHROME_COMMON_DESKTOP_NOTIFICATIONS_ACTIVE_NOTIFICATION_TRACKER_H_