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| 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. | |
| 4 | |
| 5 #ifndef WEBKIT_BROWSER_APPCACHE_APPCACHE_H_ | |
| 6 #define WEBKIT_BROWSER_APPCACHE_APPCACHE_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <set> | |
| 10 #include <vector> | |
| 11 | |
| 12 #include "base/gtest_prod_util.h" | |
| 13 #include "base/memory/ref_counted.h" | |
| 14 #include "base/time/time.h" | |
| 15 #include "url/gurl.h" | |
| 16 #include "webkit/browser/appcache/appcache_database.h" | |
| 17 #include "webkit/browser/appcache/appcache_entry.h" | |
| 18 #include "webkit/browser/appcache/manifest_parser.h" | |
| 19 #include "webkit/browser/webkit_storage_browser_export.h" | |
| 20 | |
| 21 namespace net { | |
| 22 class IOBuffer; | |
| 23 } | |
| 24 | |
| 25 namespace content { | |
| 26 FORWARD_DECLARE_TEST(AppCacheTest, InitializeWithManifest); | |
| 27 FORWARD_DECLARE_TEST(AppCacheTest, ToFromDatabaseRecords); | |
| 28 class AppCacheTest; | |
| 29 class AppCacheStorageImplTest; | |
| 30 class AppCacheUpdateJobTest; | |
| 31 } | |
| 32 | |
| 33 namespace appcache { | |
| 34 | |
| 35 class AppCacheExecutableHandler; | |
| 36 class AppCacheGroup; | |
| 37 class AppCacheHost; | |
| 38 class AppCacheStorage; | |
| 39 | |
| 40 // Set of cached resources for an application. A cache exists as long as a | |
| 41 // host is associated with it, the cache is in an appcache group or the | |
| 42 // cache is being created during an appcache upate. | |
| 43 class WEBKIT_STORAGE_BROWSER_EXPORT AppCache | |
| 44 : public base::RefCounted<AppCache> { | |
| 45 public: | |
| 46 typedef std::map<GURL, AppCacheEntry> EntryMap; | |
| 47 typedef std::set<AppCacheHost*> AppCacheHosts; | |
| 48 | |
| 49 AppCache(AppCacheStorage* storage, int64 cache_id); | |
| 50 | |
| 51 int64 cache_id() const { return cache_id_; } | |
| 52 | |
| 53 AppCacheGroup* owning_group() const { return owning_group_.get(); } | |
| 54 | |
| 55 bool is_complete() const { return is_complete_; } | |
| 56 void set_complete(bool value) { is_complete_ = value; } | |
| 57 | |
| 58 // Adds a new entry. Entry must not already be in cache. | |
| 59 void AddEntry(const GURL& url, const AppCacheEntry& entry); | |
| 60 | |
| 61 // Adds a new entry or modifies an existing entry by merging the types | |
| 62 // of the new entry with the existing entry. Returns true if a new entry | |
| 63 // is added, false if the flags are merged into an existing entry. | |
| 64 bool AddOrModifyEntry(const GURL& url, const AppCacheEntry& entry); | |
| 65 | |
| 66 // Removes an entry from the EntryMap, the URL must be in the set. | |
| 67 void RemoveEntry(const GURL& url); | |
| 68 | |
| 69 // Do not store or delete the returned ptr, they're owned by 'this'. | |
| 70 AppCacheEntry* GetEntry(const GURL& url); | |
| 71 const AppCacheEntry* GetEntryWithResponseId(int64 response_id) { | |
| 72 return GetEntryAndUrlWithResponseId(response_id, NULL); | |
| 73 } | |
| 74 const AppCacheEntry* GetEntryAndUrlWithResponseId( | |
| 75 int64 response_id, GURL* optional_url); | |
| 76 const EntryMap& entries() const { return entries_; } | |
| 77 | |
| 78 // The AppCache owns the collection of executable handlers that have | |
| 79 // been started for this instance. The getter looks up an existing | |
| 80 // handler returning null if not found, the GetOrCreate method will | |
| 81 // cons one up if not found. | |
| 82 // Do not store the returned ptrs, they're owned by 'this'. | |
| 83 AppCacheExecutableHandler* GetExecutableHandler(int64 response_id); | |
| 84 AppCacheExecutableHandler* GetOrCreateExecutableHandler( | |
| 85 int64 response_id, net::IOBuffer* handler_source); | |
| 86 | |
| 87 // Returns the URL of the resource used as entry for 'namespace_url'. | |
| 88 GURL GetFallbackEntryUrl(const GURL& namespace_url) const { | |
| 89 return GetNamespaceEntryUrl(fallback_namespaces_, namespace_url); | |
| 90 } | |
| 91 GURL GetInterceptEntryUrl(const GURL& namespace_url) const { | |
| 92 return GetNamespaceEntryUrl(intercept_namespaces_, namespace_url); | |
| 93 } | |
| 94 | |
| 95 AppCacheHosts& associated_hosts() { return associated_hosts_; } | |
| 96 | |
| 97 bool IsNewerThan(AppCache* cache) const { | |
| 98 // TODO(michaeln): revisit, the system clock can be set | |
| 99 // back in time which would confuse this logic. | |
| 100 if (update_time_ > cache->update_time_) | |
| 101 return true; | |
| 102 | |
| 103 // Tie breaker. Newer caches have a larger cache ID. | |
| 104 if (update_time_ == cache->update_time_) | |
| 105 return cache_id_ > cache->cache_id_; | |
| 106 | |
| 107 return false; | |
| 108 } | |
| 109 | |
| 110 base::Time update_time() const { return update_time_; } | |
| 111 | |
| 112 int64 cache_size() const { return cache_size_; } | |
| 113 | |
| 114 void set_update_time(base::Time ticks) { update_time_ = ticks; } | |
| 115 | |
| 116 // Initializes the cache with information in the manifest. | |
| 117 // Do not use the manifest after this call. | |
| 118 void InitializeWithManifest(Manifest* manifest); | |
| 119 | |
| 120 // Initializes the cache with the information in the database records. | |
| 121 void InitializeWithDatabaseRecords( | |
| 122 const AppCacheDatabase::CacheRecord& cache_record, | |
| 123 const std::vector<AppCacheDatabase::EntryRecord>& entries, | |
| 124 const std::vector<AppCacheDatabase::NamespaceRecord>& intercepts, | |
| 125 const std::vector<AppCacheDatabase::NamespaceRecord>& fallbacks, | |
| 126 const std::vector<AppCacheDatabase::OnlineWhiteListRecord>& whitelists); | |
| 127 | |
| 128 // Returns the database records to be stored in the AppCacheDatabase | |
| 129 // to represent this cache. | |
| 130 void ToDatabaseRecords( | |
| 131 const AppCacheGroup* group, | |
| 132 AppCacheDatabase::CacheRecord* cache_record, | |
| 133 std::vector<AppCacheDatabase::EntryRecord>* entries, | |
| 134 std::vector<AppCacheDatabase::NamespaceRecord>* intercepts, | |
| 135 std::vector<AppCacheDatabase::NamespaceRecord>* fallbacks, | |
| 136 std::vector<AppCacheDatabase::OnlineWhiteListRecord>* whitelists); | |
| 137 | |
| 138 bool FindResponseForRequest(const GURL& url, | |
| 139 AppCacheEntry* found_entry, GURL* found_intercept_namespace, | |
| 140 AppCacheEntry* found_fallback_entry, GURL* found_fallback_namespace, | |
| 141 bool* found_network_namespace); | |
| 142 | |
| 143 // Populates the 'infos' vector with an element per entry in the appcache. | |
| 144 void ToResourceInfoVector(AppCacheResourceInfoVector* infos) const; | |
| 145 | |
| 146 static const Namespace* FindNamespace( | |
| 147 const NamespaceVector& namespaces, | |
| 148 const GURL& url); | |
| 149 | |
| 150 private: | |
| 151 friend class AppCacheGroup; | |
| 152 friend class AppCacheHost; | |
| 153 friend class content::AppCacheTest; | |
| 154 friend class content::AppCacheStorageImplTest; | |
| 155 friend class content::AppCacheUpdateJobTest; | |
| 156 friend class base::RefCounted<AppCache>; | |
| 157 | |
| 158 ~AppCache(); | |
| 159 | |
| 160 // Use AppCacheGroup::Add/RemoveCache() to manipulate owning group. | |
| 161 void set_owning_group(AppCacheGroup* group) { owning_group_ = group; } | |
| 162 | |
| 163 // FindResponseForRequest helpers | |
| 164 const Namespace* FindInterceptNamespace(const GURL& url) { | |
| 165 return FindNamespace(intercept_namespaces_, url); | |
| 166 } | |
| 167 const Namespace* FindFallbackNamespace(const GURL& url) { | |
| 168 return FindNamespace(fallback_namespaces_, url); | |
| 169 } | |
| 170 bool IsInNetworkNamespace(const GURL& url) { | |
| 171 return FindNamespace(online_whitelist_namespaces_, url) != NULL; | |
| 172 } | |
| 173 | |
| 174 GURL GetNamespaceEntryUrl(const NamespaceVector& namespaces, | |
| 175 const GURL& namespace_url) const; | |
| 176 | |
| 177 // Use AppCacheHost::Associate*Cache() to manipulate host association. | |
| 178 void AssociateHost(AppCacheHost* host) { | |
| 179 associated_hosts_.insert(host); | |
| 180 } | |
| 181 void UnassociateHost(AppCacheHost* host); | |
| 182 | |
| 183 const int64 cache_id_; | |
| 184 scoped_refptr<AppCacheGroup> owning_group_; | |
| 185 AppCacheHosts associated_hosts_; | |
| 186 | |
| 187 EntryMap entries_; // contains entries of all types | |
| 188 | |
| 189 NamespaceVector intercept_namespaces_; | |
| 190 NamespaceVector fallback_namespaces_; | |
| 191 NamespaceVector online_whitelist_namespaces_; | |
| 192 bool online_whitelist_all_; | |
| 193 | |
| 194 bool is_complete_; | |
| 195 | |
| 196 // when this cache was last updated | |
| 197 base::Time update_time_; | |
| 198 | |
| 199 int64 cache_size_; | |
| 200 | |
| 201 typedef std::map<int64, AppCacheExecutableHandler*> HandlerMap; | |
| 202 HandlerMap executable_handlers_; | |
| 203 | |
| 204 // to notify storage when cache is deleted | |
| 205 AppCacheStorage* storage_; | |
| 206 | |
| 207 FRIEND_TEST_ALL_PREFIXES(content::AppCacheTest, InitializeWithManifest); | |
| 208 FRIEND_TEST_ALL_PREFIXES(content::AppCacheTest, ToFromDatabaseRecords); | |
| 209 DISALLOW_COPY_AND_ASSIGN(AppCache); | |
| 210 }; | |
| 211 | |
| 212 } // namespace appcache | |
| 213 | |
| 214 #endif // WEBKIT_BROWSER_APPCACHE_APPCACHE_H_ | |
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Chromium Code Reviews
Issue 344493002:
Move all remaining appcache-related code to content namespace (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src