content/browser/dom_storage/session_storage_namespace_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_BROWSER_DOM_STORAGE_SESSION_STORAGE_NAMESPACE_IMPL_H_
   6 #define CONTENT_BROWSER_DOM_STORAGE_SESSION_STORAGE_NAMESPACE_IMPL_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "content/common/content_export.h"
  11 #include "content/public/browser/session_storage_namespace.h"
  12
  13 namespace dom_storage {
  14 class DomStorageSession;
  15 }
  16
  17 namespace content {
  18 class DOMStorageContextImpl;
  19
  20 class SessionStorageNamespaceImpl
  21     : NON_EXPORTED_BASE(public SessionStorageNamespace) {
  22  public:
  23   // Constructs a |SessionStorageNamespaceImpl| and allocates new IDs for it.
  24   //
  25   // The CONTENT_EXPORT allows TestRenderViewHost to instantiate these.
  26   CONTENT_EXPORT explicit SessionStorageNamespaceImpl(
  27       DOMStorageContextImpl* context);
  28
  29   // Constructs a |SessionStorageNamespaceImpl| by cloning
  30   // |namespace_to_clone|. Allocates new IDs for it.
  31   SessionStorageNamespaceImpl(DOMStorageContextImpl* context,
  32                               int64 namepace_id_to_clone);
  33
  34   // Constructs a |SessionStorageNamespaceImpl| and assigns |persistent_id|
  35   // to it. Allocates a new non-persistent ID.
  36   SessionStorageNamespaceImpl(DOMStorageContextImpl* context,
  37                               const std::string& persistent_id);
  38
  39   // SessionStorageNamespace implementation.
  40   virtual int64 id() const OVERRIDE;
  41   virtual const std::string& persistent_id() const OVERRIDE;
  42   virtual void SetShouldPersist(bool should_persist) OVERRIDE;
  43   virtual bool should_persist() const OVERRIDE;
  44
  45   SessionStorageNamespaceImpl* Clone();
  46   bool IsFromContext(DOMStorageContextImpl* context);
  47
  48  private:
  49   explicit SessionStorageNamespaceImpl(dom_storage::DomStorageSession* clone);
  50   virtual ~SessionStorageNamespaceImpl();
  51
  52   scoped_refptr<dom_storage::DomStorageSession> session_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(SessionStorageNamespaceImpl);
  55 };
  56
  57 }  // namespace content
  58
  59 #endif  // CONTENT_BROWSER_DOM_STORAGE_SESSION_STORAGE_NAMESPACE_IMPL_H_