Helper

webkit/appcache/appcache_service.h

 // Copyright (c) 2011 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 WEBKIT_APPCACHE_APPCACHE_SERVICE_H_
 #define WEBKIT_APPCACHE_APPCACHE_SERVICE_H_
 
 #include <map>
 #include <set>
 
@@ skipping 40 matching lines @@
 
   void Initialize(const FilePath& cache_directory,
                   base::MessageLoopProxy* cache_thread);
 
   // Purges any memory not needed.
   void PurgeMemory() {
     if (storage_.get())
       storage_->PurgeMemory();
   }
 
+  // Determines if a request for 'url' can be satisfied while offline.
+  // This method always completes asynchronously.
+  void CanHandleMainResourceOffline(const GURL& url,
+                                    net::CompletionCallback* callback);
+
   // Populates 'collection' with info about all of the appcaches stored
   // within the service, 'callback' is invoked upon completion. The service
   // acquires a reference to the 'collection' until until completion.
   // This method always completes asynchronously.
   void GetAllAppCacheInfo(AppCacheInfoCollection* collection,
                           net::CompletionCallback* callback);
 
   // Deletes the group identified by 'manifest_url', 'callback' is
   // invoked upon completion. Upon completion, the cache group and
   // any resources within the group are no longer loadable and all
@@ skipping 25 matching lines @@
   void UnregisterBackend(AppCacheBackendImpl* backend_impl);
   AppCacheBackendImpl* GetBackend(int id) const {
     BackendMap::const_iterator it = backends_.find(id);
     return (it != backends_.end()) ? it->second : NULL;
   }
 
   AppCacheStorage* storage() const { return storage_.get(); }
 
  protected:
   class AsyncHelper;
+  class CanHandleOfflineHelper;
   class DeleteHelper;
   class GetInfoHelper;
 
   typedef std::set<AsyncHelper*> PendingAsyncHelpers;
   typedef std::map<int, AppCacheBackendImpl*> BackendMap;
 
   AppCachePolicy* appcache_policy_;
   scoped_ptr<AppCacheStorage> storage_;
   PendingAsyncHelpers pending_helpers_;
   BackendMap backends_;  // One 'backend' per child process.
   // Context for use during cache updates.
   net::URLRequestContext* request_context_;
 
   DISALLOW_COPY_AND_ASSIGN(AppCacheService);
 };
 
 }  // namespace appcache
 
 #endif  // WEBKIT_APPCACHE_APPCACHE_SERVICE_H_