1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_APPCACHE_HELPER_H_
6 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_APPCACHE_HELPER_H_
10 #include "base/callback.h"
11 #include "base/memory/ref_counted.h"
12 #include "content/public/browser/appcache_service.h"
13 #include "net/base/completion_callback.h"
20 // This class fetches appcache information on behalf of a caller
22 class BrowsingDataAppCacheHelper
23 : public base::RefCountedThreadSafe<BrowsingDataAppCacheHelper> {
25 typedef std::map<GURL, content::AppCacheInfoVector> OriginAppCacheInfoMap;
27 explicit BrowsingDataAppCacheHelper(content::BrowserContext* browser_context);
29 virtual void StartFetching(const base::Closure& completion_callback);
30 virtual void DeleteAppCacheGroup(const GURL& manifest_url);
32 content::AppCacheInfoCollection* info_collection() const {
33 DCHECK(!is_fetching_);
34 return info_collection_.get();
38 friend class base::RefCountedThreadSafe<BrowsingDataAppCacheHelper>;
39 virtual ~BrowsingDataAppCacheHelper();
41 base::Closure completion_callback_;
42 scoped_refptr<content::AppCacheInfoCollection> info_collection_;
45 void OnFetchComplete(int rv);
48 content::AppCacheService* appcache_service_;
49 net::CancelableCompletionCallback appcache_info_callback_;
51 DISALLOW_COPY_AND_ASSIGN(BrowsingDataAppCacheHelper);
54 // This class is a thin wrapper around BrowsingDataAppCacheHelper that does not
55 // fetch its information from the appcache service, but gets them passed as
56 // a parameter during construction.
57 class CannedBrowsingDataAppCacheHelper : public BrowsingDataAppCacheHelper {
59 explicit CannedBrowsingDataAppCacheHelper(
60 content::BrowserContext* browser_context);
62 // Add an appcache to the set of canned caches that is returned by this
64 void AddAppCache(const GURL& manifest_url);
66 // Clears the list of canned caches.
69 // True if no appcaches are currently stored.
72 // Returns the number of app cache resources.
73 size_t GetAppCacheCount() const;
75 // Returns a current map with the |AppCacheInfoVector|s per origin.
76 const OriginAppCacheInfoMap& GetOriginAppCacheInfoMap() const;
78 // BrowsingDataAppCacheHelper methods.
79 void StartFetching(const base::Closure& completion_callback) override;
80 void DeleteAppCacheGroup(const GURL& manifest_url) override;
83 ~CannedBrowsingDataAppCacheHelper() override;
85 DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataAppCacheHelper);
88 #endif // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_APPCACHE_HELPER_H_