Initial implementation of ServiceWorkerCache.

content/browser/service_worker/service_worker_cache_storage.cc

 // Copyright 2014 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.
 
 #include "content/browser/service_worker/service_worker_cache_storage.h"
 
 #include <string>
 
 #include "base/file_util.h"
 #include "base/files/memory_mapped_file.h"
 #include "base/memory/ref_counted.h"
 #include "base/sha1.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
+#include "content/browser/fileapi/chrome_blob_storage_context.h"

[michaeln, 2014/08/14 22:59:00]

is this needed or is the include for blob_storage_context.h enough?

[jkarlin, 2014/08/15 11:49:44]

Done.

 #include "content/browser/service_worker/service_worker_cache.h"
 #include "content/browser/service_worker/service_worker_cache.pb.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/directory_lister.h"
 #include "net/base/net_errors.h"
 #include "webkit/browser/blob/blob_storage_context.h"
 
 namespace content {
 
 // Handles the loading and clean up of ServiceWorkerCache objects.
@@ skipping 32 matching lines @@
   virtual void WriteIndex(CacheMap* caches, const BoolCallback& callback) = 0;
 
   // Loads the cache names from disk if applicable.
   virtual void LoadIndex(scoped_ptr<std::vector<std::string> > cache_names,
                          const StringsCallback& callback) = 0;
 
  protected:
   friend class base::RefCountedThreadSafe<
       ServiceWorkerCacheStorage::CacheLoader>;
 
-  virtual ~CacheLoader() {};
+  virtual ~CacheLoader() {}
   virtual void LoadCacheImpl(const std::string&) {}
 
   scoped_refptr<base::SequencedTaskRunner> cache_task_runner_;
   net::URLRequestContext* request_context_;
   base::WeakPtr<webkit_blob::BlobStorageContext> blob_context_;
 };
 
 class ServiceWorkerCacheStorage::MemoryLoader
     : public ServiceWorkerCacheStorage::CacheLoader {
  public:
@@ skipping 450 matching lines @@
        ++it) {
     names.push_back(it->first);
   }
 
   callback.Run(names, CACHE_STORAGE_ERROR_NO_ERROR);
 }
 
 void ServiceWorkerCacheStorage::DidCreateBackend(
     base::WeakPtr<ServiceWorkerCache> cache,
     const CacheAndErrorCallback& callback,
-    bool success) {
+    ServiceWorkerCache::ErrorType error) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
-  if (!success || !cache) {
+  if (error != ServiceWorkerCache::ErrorTypeOK) {
     // TODO(jkarlin): This should delete the directory and try again in case
     // the cache is simply corrupt.
     callback.Run(0, CACHE_STORAGE_ERROR_STORAGE);
     return;
   }
   callback.Run(cache->id(), CACHE_STORAGE_ERROR_NO_ERROR);
 }
 
 // Init is run lazily so that it is called on the proper MessageLoop.
 void ServiceWorkerCacheStorage::LazyInit(const base::Closure& callback) {
@@ skipping 157 matching lines @@
   NameMap::const_iterator it = name_map_.find(cache_name);
   if (it == name_map_.end())
     return NULL;
 
   ServiceWorkerCache* cache = cache_map_.Lookup(it->second);
   DCHECK(cache);
   return cache;
 }
 
 }  // namespace content