content/browser/appcache/appcache_working_set.h

   1 // Copyright (c) 2011 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.
   4
   5 #ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_WORKING_SET_H_
   6 #define CONTENT_BROWSER_APPCACHE_APPCACHE_WORKING_SET_H_
   7
   8 #include <map>
   9
  10 #include "base/containers/hash_tables.h"
  11 #include "content/common/content_export.h"
  12 #include "url/gurl.h"
  13
  14 namespace content {
  15
  16 class AppCache;
  17 class AppCacheGroup;
  18 class AppCacheResponseInfo;
  19
  20 // Represents the working set of appcache object instances
  21 // currently in memory.
  22 class CONTENT_EXPORT AppCacheWorkingSet {
  23  public:
  24   typedef std::map<GURL, AppCacheGroup*> GroupMap;
  25
  26   AppCacheWorkingSet();
  27   ~AppCacheWorkingSet();
  28
  29   void Disable();
  30   bool is_disabled() const { return is_disabled_; }
  31
  32   void AddCache(AppCache* cache);
  33   void RemoveCache(AppCache* cache);
  34   AppCache* GetCache(int64 id) {
  35     CacheMap::iterator it = caches_.find(id);
  36     return (it != caches_.end()) ? it->second : NULL;
  37   }
  38
  39   void AddGroup(AppCacheGroup* group);
  40   void RemoveGroup(AppCacheGroup* group);
  41   AppCacheGroup* GetGroup(const GURL& manifest_url) {
  42     GroupMap::iterator it = groups_.find(manifest_url);
  43     return (it != groups_.end()) ? it->second : NULL;
  44   }
  45
  46   const GroupMap* GetGroupsInOrigin(const GURL& origin_url) {
  47     return GetMutableGroupsInOrigin(origin_url);
  48   }
  49
  50   void AddResponseInfo(AppCacheResponseInfo* response_info);
  51   void RemoveResponseInfo(AppCacheResponseInfo* response_info);
  52   AppCacheResponseInfo* GetResponseInfo(int64 id) {
  53     ResponseInfoMap::iterator it = response_infos_.find(id);
  54     return (it != response_infos_.end()) ? it->second : NULL;
  55   }
  56
  57  private:
  58   typedef base::hash_map<int64, AppCache*> CacheMap;
  59   typedef std::map<GURL, GroupMap> GroupsByOriginMap;
  60   typedef base::hash_map<int64, AppCacheResponseInfo*> ResponseInfoMap;
  61
  62   GroupMap* GetMutableGroupsInOrigin(const GURL& origin_url) {
  63     GroupsByOriginMap::iterator it = groups_by_origin_.find(origin_url);
  64     return (it != groups_by_origin_.end()) ? &it->second : NULL;
  65   }
  66
  67   CacheMap caches_;
  68   GroupMap groups_;
  69   GroupsByOriginMap groups_by_origin_;  // origin -> (manifest -> group)
  70   ResponseInfoMap response_infos_;
  71   bool is_disabled_;
  72 };
  73
  74 }  // namespace content
  75
  76 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_WORKING_SET_H_