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 content {
  14
  15 class DOMStorageContextWrapper;
  16 class DOMStorageSession;
  17
  18 class SessionStorageNamespaceImpl
  19     : NON_EXPORTED_BASE(public SessionStorageNamespace) {
  20  public:
  21   // Constructs a |SessionStorageNamespaceImpl| and allocates new IDs for it.
  22   //
  23   // The CONTENT_EXPORT allows TestRenderViewHost to instantiate these.
  24   CONTENT_EXPORT explicit SessionStorageNamespaceImpl(
  25       DOMStorageContextWrapper* context);
  26
  27   // Constructs a |SessionStorageNamespaceImpl| by cloning
  28   // |namespace_to_clone|. Allocates new IDs for it.
  29   SessionStorageNamespaceImpl(DOMStorageContextWrapper* context,
  30                               int64 namepace_id_to_clone);
  31
  32   // Constructs a |SessionStorageNamespaceImpl| and assigns |persistent_id|
  33   // to it. Allocates a new non-persistent ID.
  34   SessionStorageNamespaceImpl(DOMStorageContextWrapper* context,
  35                               const std::string& persistent_id);
  36
  37   // SessionStorageNamespace implementation.
  38   int64 id() const override;
  39   const std::string& persistent_id() const override;
  40   void SetShouldPersist(bool should_persist) override;
  41   bool should_persist() const override;
  42
  43   SessionStorageNamespaceImpl* Clone();
  44   bool IsFromContext(DOMStorageContextWrapper* context);
  45
  46  private:
  47   explicit SessionStorageNamespaceImpl(DOMStorageSession* clone);
  48   ~SessionStorageNamespaceImpl() override;
  49
  50   scoped_refptr<DOMStorageSession> session_;
  51
  52   DISALLOW_COPY_AND_ASSIGN(SessionStorageNamespaceImpl);
  53 };
  54
  55 }  // namespace content
  56
  57 #endif  // CONTENT_BROWSER_DOM_STORAGE_SESSION_STORAGE_NAMESPACE_IMPL_H_