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// Copyright (c) 2012 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.
#ifndef WEBKIT_DOM_STORAGE_CACHED_AREA_H_
#define WEBKIT_DOM_STORAGE_CACHED_AREA_H_
#include "base/bind.h"
#include "base/memory/ref_counted.h"
#include "base/nullable_string16.h"
#include "base/string16.h"
#include "googleurl/src/gurl.h"
#include "webkit/dom_storage/dom_storage_types.h"
namespace dom_storage {
// Abstract interface for cached area, renderer to browser communications.
class DomStorageProxy : public base::RefCounted<DomStorageProxy> {
public:
typedef base::Callback<void(bool)> CompletionCallback;
virtual void LoadArea(int connection_id, ValuesMap* values,
const CompletionCallback& callback) = 0;
virtual void SetItem(int connection_id, const string16& key,
const string16& value, const GURL& page_url,
const CompletionCallback& callback) = 0;
virtual void RemoveItem(int connection_id, const string16& key,
const GURL& page_url,
const CompletionCallback& callback) = 0;
virtual void ClearArea(int connection_id,
const GURL& page_url,
const CompletionCallback& callback) = 0;
protected:
friend class base::RefCounted<DomStorageProxy>;
virtual ~DomStorageProxy() {}
};
} // namespace dom_storage
#endif // WEBKIT_DOM_STORAGE_DOM_STORAGE_AREA_H_
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