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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_NOTIFICATIONS_PREFS_CACHE_H
#define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATIONS_PREFS_CACHE_H
#include <set>
#include "base/ref_counted.h"
#include "googleurl/src/gurl.h"
class ListValue;
// Class which caches notification preferences.
// Construction occurs on the UI thread when the contents
// of the profile preferences are initially cached. Once constructed
// this class should only be accessed on the IO thread.
class NotificationsPrefsCache :
public base::RefCountedThreadSafe<NotificationsPrefsCache> {
public:
NotificationsPrefsCache(ListValue* allowed, ListValue* denied);
// Checks to see if a given origin has permission to create desktop
// notifications. Returns a constant from WebNotificationPresenter
// class.
int HasPermission(const GURL& origin);
// Updates the cache with a new origin allowed or denied.
void CacheAllowedOrigin(const GURL& origin);
void CacheDeniedOrigin(const GURL& origin);
private:
// Helper functions which read preferences.
bool IsOriginAllowed(const GURL& origin);
bool IsOriginDenied(const GURL& origin);
// Storage of the actual preferences.
std::set<GURL> allowed_origins_;
std::set<GURL> denied_origins_;
DISALLOW_COPY_AND_ASSIGN(NotificationsPrefsCache);
};
#endif // #ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATIONS_PREFS_CACHE_H
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