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// 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/renderer/renderer_webstoragenamespace_impl.h"
#include "base/logging.h"
#include "content/renderer/renderer_webstoragearea_impl.h"
using WebKit::WebStorageArea;
using WebKit::WebStorageNamespace;
using WebKit::WebString;
RendererWebStorageNamespaceImpl::RendererWebStorageNamespaceImpl(
DOMStorageType storage_type)
: storage_type_(storage_type),
namespace_id_(kLocalStorageNamespaceId) {
DCHECK(storage_type == DOM_STORAGE_LOCAL);
}
RendererWebStorageNamespaceImpl::RendererWebStorageNamespaceImpl(
DOMStorageType storage_type, int64 namespace_id)
: storage_type_(storage_type),
namespace_id_(namespace_id) {
DCHECK(storage_type == DOM_STORAGE_SESSION);
}
RendererWebStorageNamespaceImpl::~RendererWebStorageNamespaceImpl() {
}
WebStorageArea* RendererWebStorageNamespaceImpl::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 RendererWebStorageAreaImpl(namespace_id_, origin);
}
WebStorageNamespace* RendererWebStorageNamespaceImpl::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 RendererWebStorageNamespaceImpl::close() {
// This is called only on LocalStorage namespaces when WebKit thinks its
// shutting down. This has no impact on Chromium.
}
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