AppCacheResponse storage implementation

* classes AppCacheResponseReader and AppCacheResponseWriter
* also implements AppCacheStorage.LoadResponseInfo()
* using a memory-backed disk_cache for now, so not really on disk yet

TEST=appcache_response_unittest.cc
BUG=none


Review URL: http://codereview.chromium.org/269062

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@29670 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 38 insertions, 3 deletions

diff --git a/webkit/appcache/mock_appcache_storage.h b/webkit/appcache/mock_appcache_storage.h
index 95cc082..8efb7d9 100644
--- a/webkit/appcache/mock_appcache_storage.h
+++ b/webkit/appcache/mock_appcache_storage.h
@@ -5,6 +5,13 @@
 #ifndef WEBKIT_APPCACHE_MOCK_APPCACHE_STORAGE_H_
 #define WEBKIT_APPCACHE_MOCK_APPCACHE_STORAGE_H_
 
+#include <map>
+
+#include "base/hash_tables.h"
+#include "base/scoped_ptr.h"
+#include "net/disk_cache/disk_cache.h"
+#include "webkit/appcache/appcache.h"
+#include "webkit/appcache/appcache_group.h"
 #include "webkit/appcache/appcache_storage.h"
 
 namespace appcache {
@@ -18,12 +25,9 @@ class MockAppCacheStorage : public AppCacheStorage {
   explicit MockAppCacheStorage(AppCacheService* service);
   virtual void LoadCache(int64 id, Delegate* delegate);
   virtual void LoadOrCreateGroup(const GURL& manifest_url, Delegate* delegate);
-  virtual void LoadResponseInfo(
-      const GURL& manifest_url, int64 response_id, Delegate* delegate);
   virtual void StoreGroupAndNewestCache(
       AppCacheGroup* group, Delegate* delegate);
   virtual void FindResponseForMainRequest(const GURL& url, Delegate* delegate);
-  virtual void CancelDelegateCallbacks(Delegate* delegate);
   virtual void MarkEntryAsForeign(const GURL& entry_url, int64 cache_id);
   virtual void MarkGroupAsObsolete(AppCacheGroup* group, Delegate* delegate);
   virtual AppCacheResponseReader* CreateResponseReader(
@@ -31,6 +35,37 @@ class MockAppCacheStorage : public AppCacheStorage {
   virtual AppCacheResponseWriter* CreateResponseWriter(const GURL& origin);
   virtual void DoomResponses(
       const GURL& manifest_url, const std::vector<int64>& response_ids);
+
+ private:
+  typedef base::hash_map<int64, scoped_refptr<AppCache> > StoredCacheMap;
+  typedef std::map<GURL, scoped_refptr<AppCacheGroup> > StoredGroupMap;
+
+  void AddStoredCache(AppCache* cache);
+  void RemoveStoredCache(AppCache* cache);
+  AppCache* GetStoredCache(int64 id) {
+    StoredCacheMap::iterator it = stored_caches_.find(id);
+    return (it != stored_caches_.end()) ? it->second : NULL;
+  }
+
+  void AddStoredGroup(AppCacheGroup* group);
+  void RemoveStoredGroup(AppCacheGroup* group);
+  AppCacheGroup* GetStoredGroup(const GURL& manifest_url) {
+    StoredGroupMap::iterator it = stored_groups_.find(manifest_url);
+    return (it != stored_groups_.end()) ? it->second : NULL;
+  }
+
+  // Lazily constructed in-memory disk cache.
+  disk_cache::Backend* disk_cache() {
+    if (!disk_cache_.get()) {
+      const int kMaxCacheSize = 10 * 1024 * 1024;
+      disk_cache_.reset(disk_cache::CreateInMemoryCacheBackend(kMaxCacheSize));
+    }
+    return disk_cache_.get();
+  }
+
+  StoredCacheMap stored_caches_;
+  StoredGroupMap stored_groups_;
+  scoped_ptr<disk_cache::Backend> disk_cache_;
 };
 
 }  // namespace appcache