AppCacheResponse storage implementation

webkit/appcache/appcache_storage.cc

+// Copyright (c) 2009 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 "webkit/appcache/appcache_storage.h"
+
+#include "base/stl_util-inl.h"
+
+namespace appcache {
+
+AppCacheStorage::AppCacheStorage(AppCacheService* service)
+    : last_cache_id_(kUnitializedId), last_group_id_(kUnitializedId),
+      last_entry_id_(kUnitializedId), last_response_id_(kUnitializedId),
+      service_(service)  {
+}
+
+AppCacheStorage::~AppCacheStorage() {
+  STLDeleteValues(&pending_info_loads_);
+  DCHECK(delegate_references_.empty());
+}
+
+void AppCacheStorage::LoadResponseInfo(
+    const GURL& manifest_url, int64 id, Delegate* delegate) {
+  AppCacheResponseInfo* info = working_set_.GetResponseInfo(id);
+  if (info) {
+    delegate->OnResponseInfoLoaded(info, id);
+    return;
+  }
+  ResponseInfoLoadTask* info_load =
+      GetOrCreateResponseInfoLoadTask(manifest_url, id);
+  DCHECK(manifest_url == info_load->manifest_url());
+  DCHECK(id == info_load->response_id());
+  info_load->AddDelegate(GetOrCreateDelegateReference(delegate));
+  info_load->StartIfNeeded();
+}
+
+}  // namespace appcache
+