- Persist localStorage data across sessions when a cache path is specified (issue #139).

- Add a localStorage test to cefclient.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@140 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser_webstoragenamespace_impl.cc

@@ -0,0 +1,57 @@
+// Copyright (c) 2010 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 "browser_webstoragenamespace_impl.h"
+#include "browser_webstoragearea_impl.h"
+#include "cef_context.h"
+
+#include "base/logging.h"
+
+using WebKit::WebStorageArea;
+using WebKit::WebStorageNamespace;
+using WebKit::WebString;
+
+BrowserWebStorageNamespaceImpl::BrowserWebStorageNamespaceImpl(
+    DOMStorageType storage_type)
+    : storage_type_(storage_type),
+      namespace_id_(kLocalStorageNamespaceId) {
+  DCHECK(storage_type == DOM_STORAGE_LOCAL);
+}
+
+BrowserWebStorageNamespaceImpl::BrowserWebStorageNamespaceImpl(
+    DOMStorageType storage_type, int64 namespace_id)
+    : storage_type_(storage_type),
+      namespace_id_(namespace_id) {
+  DCHECK(storage_type == DOM_STORAGE_SESSION);
+}
+
+BrowserWebStorageNamespaceImpl::~BrowserWebStorageNamespaceImpl() {
+}
+
+WebStorageArea* BrowserWebStorageNamespaceImpl::createStorageArea(
+    const WebString& origin) {
+  // Ideally, we'd keep a hash map of origin to these objects.  Unfortunately
+  // this doesn't seem practical because there's no good way to ref-count these
+  // objects, and it'd be unclear who owned them.  So, instead, we'll pay the
+  // price in terms of wasted memory.
+  return new BrowserWebStorageAreaImpl(namespace_id_, origin);
+}
+
+WebStorageNamespace* BrowserWebStorageNamespaceImpl::copy() {
+  // By returning NULL, we're telling WebKit to lazily fetch it the next time
+  // session storage is used.  In the WebViewClient::createView, we do the
+  // book-keeping necessary to make it a true copy-on-write despite not doing
+  // anything here, now.
+  return NULL;
+}
+
+void BrowserWebStorageNamespaceImpl::close() {
+  // This is called only on LocalStorage namespaces when WebKit thinks its
+  // shutting down.  This has no impact on Chromium.
+}
+
+//static
+bool BrowserWebStorageNamespaceImpl::IsStorageActive() {
+  return (_Context->storage_context() != NULL);
+}