DOM Storage: Add renderer-process IPC code.

webkit/api/src/StorageAreaProxy.cpp

+/*
+ * Copyright (C) 2009 Google Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "StorageAreaProxy.h"
+
+#if ENABLE(DOM_STORAGE)
+
+#include "ExceptionCode.h"
+#include "Frame.h"
+#include "SecurityOrigin.h"
+#include "StorageAreaImpl.h"
+#include "WebStorageArea.h"
+#include "WebString.h"
+
+namespace WebCore {
+
+StorageAreaProxy::StorageAreaProxy(WebKit::WebStorageArea* storageArea)
+    : m_storageArea(storageArea)
+{
+}
+
+StorageAreaProxy::~StorageAreaProxy()
+{
+}
+
+unsigned StorageAreaProxy::length() const
+{
+    return m_storageArea->length();
+}
+
+String StorageAreaProxy::key(unsigned index, ExceptionCode& ec) const
+{
+    bool keyException = false;
+    String value = m_storageArea->key(index, keyException);
+    ec = keyException ? INDEX_SIZE_ERR : 0;
+    return value;
+}
+
+String StorageAreaProxy::getItem(const String& key) const
+{
+    return m_storageArea->getItem(key);
+}
+
+void StorageAreaProxy::setItem(const String& key, const String& value, ExceptionCode& ec, Frame*)
+{
+    // FIXME: Is frame any use to us? Probably not.
+    bool quotaException = false;
+    m_storageArea->setItem(key, value, quotaException);
+    ec = quotaException ? QUOTA_EXCEEDED_ERR : 0;
+}
+
+void StorageAreaProxy::removeItem(const String& key, Frame*)
+{
+    // FIXME: Is frame any use to us? Probably not.
+    m_storageArea->removeItem(key);
+}
+
+void StorageAreaProxy::clear(Frame* frame)
+{
+    // FIXME: Is frame any use to us? Probably not.
+    m_storageArea->clear();
+}
+
+bool StorageAreaProxy::contains(const String& key) const
+{
+    return !getItem(key).isNull();
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(DOM_STORAGE)