content/renderer/dom_storage/webstoragearea_impl.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_RENDERER_DOM_STORAGE_WEBSTORAGEAREA_IMPL_H_
   6 #define CONTENT_RENDERER_DOM_STORAGE_WEBSTORAGEAREA_IMPL_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "third_party/WebKit/public/platform/WebStorageArea.h"
  11 #include "third_party/WebKit/public/platform/WebString.h"
  12
  13 class GURL;
  14
  15 namespace content {
  16
  17 class DOMStorageCachedArea;
  18
  19 class WebStorageAreaImpl : public blink::WebStorageArea {
  20  public:
  21   static WebStorageAreaImpl* FromConnectionId(int id);
  22
  23   WebStorageAreaImpl(int64 namespace_id, const GURL& origin);
  24   virtual ~WebStorageAreaImpl();
  25
  26   // See WebStorageArea.h for documentation on these functions.
  27   virtual unsigned length();
  28   virtual blink::WebString key(unsigned index);
  29   virtual blink::WebString getItem(const blink::WebString& key);
  30   virtual void setItem(
  31       const blink::WebString& key, const blink::WebString& value,
  32       const blink::WebURL& page_url, WebStorageArea::Result& result);
  33   virtual void removeItem(
  34       const blink::WebString& key, const blink::WebURL& page_url);
  35   virtual void clear(const blink::WebURL& url);
  36   virtual size_t memoryBytesUsedByCache() const;
  37
  38  private:
  39   int connection_id_;
  40   scoped_refptr<DOMStorageCachedArea> cached_area_;
  41 };
  42
  43 }  // namespace content
  44
  45 #endif  // CONTENT_RENDERER_DOM_STORAGE_WEBSTORAGEAREA_IMPL_H_