content/renderer/dom_storage/webstoragearea_impl.h

// 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 CONTENT_RENDERER_DOM_STORAGE_WEBSTORAGEAREA_IMPL_H_
#define CONTENT_RENDERER_DOM_STORAGE_WEBSTORAGEAREA_IMPL_H_

#include <stddef.h>
#include <stdint.h>

#include "base/memory/ref_counted.h"
#include "third_party/blink/public/platform/web_storage_area.h"
#include "third_party/blink/public/platform/web_string.h"

class GURL;

namespace content {

class DOMStorageCachedArea;

class WebStorageAreaImpl : public blink::WebStorageArea {
 public:
  static WebStorageAreaImpl* FromConnectionId(int id);

  WebStorageAreaImpl(const std::string& namespace_id, const GURL& origin);
  ~WebStorageAreaImpl() override;

  // See WebStorageArea.h for documentation on these functions.
  unsigned length() override;
  blink::WebString Key(unsigned index, bool* did_decrease_iterator) override;
  blink::WebString GetItem(const blink::WebString& key) override;
  void SetItem(const blink::WebString& key,
               const blink::WebString& value,
               const blink::WebURL& page_url,
               WebStorageArea::Result& result) override;
  void RemoveItem(const blink::WebString& key,
                  const blink::WebURL& page_url) override;
  void Clear(const blink::WebURL& url) override;

 private:
  int connection_id_;
  scoped_refptr<DOMStorageCachedArea> cached_area_;
};

}  // namespace content

#endif  // CONTENT_RENDERER_DOM_STORAGE_WEBSTORAGEAREA_IMPL_H_