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_PUBLIC_BROWSER_SESSION_STORAGE_NAMESPACE_H_ 6 #define CONTENT_PUBLIC_BROWSER_SESSION_STORAGE_NAMESPACE_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "base/memory/ref_counted.h" 12 13 namespace content { 14 15 // This is a ref-counted class that represents a SessionStorageNamespace. 16 // On destruction it ensures that the storage namespace is destroyed. 17 class SessionStorageNamespace 18 : public base::RefCountedThreadSafe<SessionStorageNamespace> { 19 public: 20 // Returns the ID of the |SessionStorageNamespace|. The ID is unique among all 21 // SessionStorageNamespace objects, but not unique across browser runs. 22 virtual int64 id() const = 0; 23 24 // Returns the persistent ID for the |SessionStorageNamespace|. The ID is 25 // unique across browser runs. 26 virtual const std::string& persistent_id() const = 0; 27 28 // For marking that the sessionStorage will be needed or won't be needed by 29 // session restore. 30 virtual void SetShouldPersist(bool should_persist) = 0; 31 32 virtual bool should_persist() const = 0; 33 34 protected: 35 friend class base::RefCountedThreadSafe<SessionStorageNamespace>; 36 virtual ~SessionStorageNamespace() {} 37 }; 38 39 } // namespace content 40 41 #endif // CONTENT_PUBLIC_BROWSER_SESSION_STORAGE_NAMESPACE_H_ 42