1 files changed, 98 insertions, 0 deletions
diff --git a/content/browser/in_process_webkit/dom_storage_area.cc b/content/browser/in_process_webkit/dom_storage_area.cc
new file mode 100644
index 0000000..1fc2aab
--- /dev/null
+++ b/content/browser/in_process_webkit/dom_storage_area.cc
@@ -0,0 +1,98 @@
+// 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 "content/browser/in_process_webkit/dom_storage_area.h"
+
+#include "base/task.h"
+#include "chrome/browser/content_settings/host_content_settings_map.h"
+#include "chrome/common/render_messages.h"
+#include "content/browser/in_process_webkit/dom_storage_context.h"
+#include "content/browser/in_process_webkit/dom_storage_namespace.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageArea.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
+#include "webkit/glue/webkit_glue.h"
+
+using WebKit::WebSecurityOrigin;
+using WebKit::WebStorageArea;
+using WebKit::WebString;
+using WebKit::WebURL;
+
+DOMStorageArea::DOMStorageArea(
+    const string16& origin,
+    int64 id,
+    DOMStorageNamespace* owner,
+    HostContentSettingsMap* host_content_settings_map)
+    : origin_(origin),
+      origin_url_(origin),
+      id_(id),
+      owner_(owner),
+      host_content_settings_map_(host_content_settings_map) {
+  DCHECK(owner_);
+  DCHECK(host_content_settings_map_);
+}
+
+DOMStorageArea::~DOMStorageArea() {
+}
+
+unsigned DOMStorageArea::Length() {
+  CreateWebStorageAreaIfNecessary();
+  return storage_area_->length();
+}
+
+NullableString16 DOMStorageArea::Key(unsigned index) {
+  CreateWebStorageAreaIfNecessary();
+  return storage_area_->key(index);
+}
+
+NullableString16 DOMStorageArea::GetItem(const string16& key) {
+  CreateWebStorageAreaIfNecessary();
+  return storage_area_->getItem(key);
+}
+
+NullableString16 DOMStorageArea::SetItem(
+    const string16& key, const string16& value,
+    WebStorageArea::Result* result) {
+  if (!CheckContentSetting(key, value)) {
+    *result = WebStorageArea::ResultBlockedByPolicy;
+    return NullableString16(true);  // Ignored if the content was blocked.
+  }
+
+  CreateWebStorageAreaIfNecessary();
+  WebString old_value;
+  storage_area_->setItem(key, value, WebURL(), *result, old_value);
+  return old_value;
+}
+
+NullableString16 DOMStorageArea::RemoveItem(const string16& key) {
+  CreateWebStorageAreaIfNecessary();
+  WebString old_value;
+  storage_area_->removeItem(key, WebURL(), old_value);
+  return old_value;
+}
+
+bool DOMStorageArea::Clear() {
+  CreateWebStorageAreaIfNecessary();
+  bool somethingCleared;
+  storage_area_->clear(WebURL(), somethingCleared);
+  return somethingCleared;
+}
+
+void DOMStorageArea::PurgeMemory() {
+  storage_area_.reset();
+}
+
+void DOMStorageArea::CreateWebStorageAreaIfNecessary() {
+  if (!storage_area_.get())
+    storage_area_.reset(owner_->CreateWebStorageArea(origin_));
+}
+
+bool DOMStorageArea::CheckContentSetting(
+    const string16& key, const string16& value) {
+  ContentSetting content_setting =
+      host_content_settings_map_->GetContentSetting(
+          origin_url_, CONTENT_SETTINGS_TYPE_COOKIES, "");
+  return (content_setting != CONTENT_SETTING_BLOCK);
+}