| // Copyright (c) 2012 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_BROWSING_DATA_BROWSING_DATA_APPCACHE_HELPER_H_ |
| #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_APPCACHE_HELPER_H_ |
| |
| #include <map> |
| |
| #include "base/callback.h" |
| #include "base/memory/ref_counted.h" |
| #include "content/public/browser/appcache_service.h" |
| #include "net/base/completion_callback.h" |
| #include "url/gurl.h" |
| |
| namespace content { |
| class BrowserContext; |
| } |
| |
| // This class fetches appcache information on behalf of a caller |
| // on the UI thread. |
| class BrowsingDataAppCacheHelper |
| : public base::RefCountedThreadSafe<BrowsingDataAppCacheHelper> { |
| public: |
| typedef std::map<GURL, content::AppCacheInfoVector> OriginAppCacheInfoMap; |
| |
| explicit BrowsingDataAppCacheHelper(content::BrowserContext* browser_context); |
| |
| virtual void StartFetching(const base::Closure& completion_callback); |
| virtual void DeleteAppCacheGroup(const GURL& manifest_url); |
| |
| content::AppCacheInfoCollection* info_collection() const { |
| DCHECK(!is_fetching_); |
| return info_collection_.get(); |
| } |
| |
| protected: |
| friend class base::RefCountedThreadSafe<BrowsingDataAppCacheHelper>; |
| virtual ~BrowsingDataAppCacheHelper(); |
| |
| base::Closure completion_callback_; |
| scoped_refptr<content::AppCacheInfoCollection> info_collection_; |
| |
| private: |
| void OnFetchComplete(int rv); |
| |
| bool is_fetching_; |
| content::AppCacheService* appcache_service_; |
| net::CancelableCompletionCallback appcache_info_callback_; |
| |
| DISALLOW_COPY_AND_ASSIGN(BrowsingDataAppCacheHelper); |
| }; |
| |
| // This class is a thin wrapper around BrowsingDataAppCacheHelper that does not |
| // fetch its information from the appcache service, but gets them passed as |
| // a parameter during construction. |
| class CannedBrowsingDataAppCacheHelper : public BrowsingDataAppCacheHelper { |
| public: |
| explicit CannedBrowsingDataAppCacheHelper( |
| content::BrowserContext* browser_context); |
| |
| // Add an appcache to the set of canned caches that is returned by this |
| // helper. |
| void AddAppCache(const GURL& manifest_url); |
| |
| // Clears the list of canned caches. |
| void Reset(); |
| |
| // True if no appcaches are currently stored. |
| bool empty() const; |
| |
| // Returns the number of app cache resources. |
| size_t GetAppCacheCount() const; |
| |
| // Returns a current map with the |AppCacheInfoVector|s per origin. |
| const OriginAppCacheInfoMap& GetOriginAppCacheInfoMap() const; |
| |
| // BrowsingDataAppCacheHelper methods. |
| void StartFetching(const base::Closure& completion_callback) override; |
| void DeleteAppCacheGroup(const GURL& manifest_url) override; |
| |
| private: |
| ~CannedBrowsingDataAppCacheHelper() override; |
| |
| DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataAppCacheHelper); |
| }; |
| |
| #endif // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_APPCACHE_HELPER_H_ |