| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_SESSION_H_ |
| #define WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_SESSION_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/memory/ref_counted.h" |
| #include "webkit/browser/webkit_storage_browser_export.h" |
| |
| namespace dom_storage { |
| |
| class DomStorageContext; |
| |
| // This refcounted class determines the lifetime of a session |
| // storage namespace and provides an interface to Clone() an |
| // existing session storage namespace. It may be used on any thread. |
| // See class comments for DomStorageContext for a larger overview. |
| class WEBKIT_STORAGE_BROWSER_EXPORT DomStorageSession |
| : public base::RefCountedThreadSafe<DomStorageSession> { |
| public: |
| // Constructs a |DomStorageSession| and allocates new IDs for it. |
| explicit DomStorageSession(DomStorageContext* context); |
| |
| // Constructs a |DomStorageSession| and assigns |persistent_namespace_id| |
| // to it. Allocates a new non-persistent ID. |
| DomStorageSession(DomStorageContext* context, |
| const std::string& persistent_namespace_id); |
| |
| int64 namespace_id() const { return namespace_id_; } |
| const std::string& persistent_namespace_id() const { |
| return persistent_namespace_id_; |
| } |
| void SetShouldPersist(bool should_persist); |
| bool should_persist() const; |
| bool IsFromContext(DomStorageContext* context); |
| DomStorageSession* Clone(); |
| |
| // Constructs a |DomStorageSession| by cloning |
| // |namespace_id_to_clone|. Allocates new IDs for it. |
| static DomStorageSession* CloneFrom(DomStorageContext* context, |
| int64 namepace_id_to_clone); |
| |
| private: |
| friend class base::RefCountedThreadSafe<DomStorageSession>; |
| |
| DomStorageSession(DomStorageContext* context, |
| int64 namespace_id, |
| const std::string& persistent_namespace_id); |
| ~DomStorageSession(); |
| |
| scoped_refptr<DomStorageContext> context_; |
| int64 namespace_id_; |
| std::string persistent_namespace_id_; |
| bool should_persist_; |
| |
| DISALLOW_IMPLICIT_CONSTRUCTORS(DomStorageSession); |
| }; |
| |
| } // namespace dom_storage |
| |
| #endif // WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_SESSION_H_ |