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// 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_APPCACHE_CHROME_APPCACHE_SERVICE_H_
#define CHROME_BROWSER_APPCACHE_CHROME_APPCACHE_SERVICE_H_
#pragma once
#include "base/ref_counted.h"
#include "chrome/browser/browser_thread.h"
#include "chrome/browser/host_content_settings_map.h"
#include "chrome/common/notification_registrar.h"
#include "webkit/appcache/appcache_policy.h"
#include "webkit/appcache/appcache_service.h"
class ChromeURLRequestContext;
class FilePath;
// An AppCacheService subclass used by the chrome. There is an instance
// associated with each Profile. This derivation adds refcounting semantics
// since a profile has multiple URLRequestContexts which refer to the same
// object, and those URLRequestContexts are refcounted independently of the
// owning profile.
//
// All methods, except the ctor, are expected to be called on
// the IO thread (unless specifically called out in doc comments).
class ChromeAppCacheService
: public base::RefCountedThreadSafe<ChromeAppCacheService,
BrowserThread::DeleteOnIOThread>,
public appcache::AppCacheService,
public appcache::AppCachePolicy,
public NotificationObserver {
public:
ChromeAppCacheService();
void InitializeOnIOThread(
const FilePath& profile_path, bool is_incognito,
scoped_refptr<HostContentSettingsMap> content_settings_map);
// Helpers used by the extension service to grant and revoke
// unlimited storage to app extensions.
void SetOriginQuotaInMemory(const GURL& origin, int64 quota);
void ResetOriginQuotaInMemory(const GURL& origin);
static void ClearLocalState(const FilePath& profile_path);
private:
friend class BrowserThread;
friend class DeleteTask<ChromeAppCacheService>;
virtual ~ChromeAppCacheService();
// AppCachePolicy overrides
virtual bool CanLoadAppCache(const GURL& manifest_url);
virtual int CanCreateAppCache(const GURL& manifest_url,
net::CompletionCallback* callback);
// NotificationObserver override
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
scoped_refptr<HostContentSettingsMap> host_contents_settings_map_;
NotificationRegistrar registrar_;
};
#endif // CHROME_BROWSER_APPCACHE_CHROME_APPCACHE_SERVICE_H_
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