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                         bool* send_log_get_messages,
  25                         const CompletionCallback& callback) = 0;
  26
  27   virtual void SetItem(int connection_id,
  28                        const base::string16& key,
  29                        const base::string16& value,
  30                        const GURL& page_url,
  31                        const CompletionCallback& callback) = 0;
  32
  33   virtual void LogGetItem(int connection_id,
  34                           const base::string16& key,
  35                           const base::NullableString16& value) = 0;
  36
  37   virtual void RemoveItem(int connection_id,
  38                           const base::string16& key,
  39                           const GURL& page_url,
  40                           const CompletionCallback& callback) = 0;
  41
  42   virtual void ClearArea(int connection_id,
  43                          const GURL& page_url,
  44                          const CompletionCallback& callback) = 0;
  45
  46  protected:
  47   friend class base::RefCounted<DOMStorageProxy>;
  48   virtual ~DOMStorageProxy() {}
  49 };
  50
  51 }  // namespace content
  52
  53 #endif  // CONTENT_RENDERER_DOM_STORAGE_DOM_STORAGE_PROXY_H_