content/renderer/dom_storage/dom_storage_proxy.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_DOM_STORAGE_PROXY_H_
   6 #define CONTENT_RENDERER_DOM_STORAGE_DOM_STORAGE_PROXY_H_
   7
   8 #include "base/bind.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/strings/nullable_string16.h"
  11 #include "base/strings/string16.h"
  12 #include "content/common/dom_storage/dom_storage_types.h"
  13 #include "url/gurl.h"
  14
  15 namespace content {
  16
  17 // Abstract interface for cached area, renderer to browser communications.
  18 class DOMStorageProxy : public base::RefCounted<DOMStorageProxy> {
  19  public:
  20   typedef base::Callback<void(bool)> CompletionCallback;
  21
  22   virtual void LoadArea(int connection_id,
  23                         DOMStorageValuesMap* values,
  24                         const CompletionCallback& callback) = 0;
  25
  26   virtual void SetItem(int connection_id,
  27                        const base::string16& key,
  28                        const base::string16& value,
  29                        const GURL& page_url,
  30                        const CompletionCallback& callback) = 0;
  31
  32   virtual void RemoveItem(int connection_id,
  33                           const base::string16& key,
  34                           const GURL& page_url,
  35                           const CompletionCallback& callback) = 0;
  36
  37   virtual void ClearArea(int connection_id,
  38                          const GURL& page_url,
  39                          const CompletionCallback& callback) = 0;
  40
  41  protected:
  42   friend class base::RefCounted<DOMStorageProxy>;
  43   virtual ~DOMStorageProxy() {}
  44 };
  45
  46 }  // namespace content
  47
  48 #endif  // CONTENT_RENDERER_DOM_STORAGE_DOM_STORAGE_PROXY_H_