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// 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 CONTENT_BROWSER_DOM_STORAGE_SESSION_STORAGE_NAMESPACE_IMPL_H_
#define CONTENT_BROWSER_DOM_STORAGE_SESSION_STORAGE_NAMESPACE_IMPL_H_
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "content/common/content_export.h"
#include "content/public/browser/session_storage_namespace.h"
namespace content {
class DOMStorageContextWrapper;
class DOMStorageSession;
class SessionStorageNamespaceImpl
: NON_EXPORTED_BASE(public SessionStorageNamespace) {
public:
// Constructs a |SessionStorageNamespaceImpl| and allocates new IDs for it.
//
// The CONTENT_EXPORT allows TestRenderViewHost to instantiate these.
CONTENT_EXPORT explicit SessionStorageNamespaceImpl(
DOMStorageContextWrapper* context);
// Constructs a |SessionStorageNamespaceImpl| by cloning
// |namespace_to_clone|. Allocates new IDs for it.
SessionStorageNamespaceImpl(DOMStorageContextWrapper* context,
int64 namepace_id_to_clone);
// Constructs a |SessionStorageNamespaceImpl| and assigns |persistent_id|
// to it. Allocates a new non-persistent ID.
SessionStorageNamespaceImpl(DOMStorageContextWrapper* context,
const std::string& persistent_id);
// Creates an alias of |master_session_storage_namespace|. This will allocate
// a new non-persistent ID.
explicit SessionStorageNamespaceImpl(
SessionStorageNamespaceImpl* master_session_storage_namespace);
// SessionStorageNamespace implementation.
virtual int64 id() const OVERRIDE;
virtual const std::string& persistent_id() const OVERRIDE;
virtual void SetShouldPersist(bool should_persist) OVERRIDE;
virtual bool should_persist() const OVERRIDE;
SessionStorageNamespaceImpl* Clone();
bool IsFromContext(DOMStorageContextWrapper* context);
virtual void AddTransactionLogProcessId(int process_id) OVERRIDE;
virtual void RemoveTransactionLogProcessId(int process_id) OVERRIDE;
virtual void Merge(bool actually_merge,
int process_id,
SessionStorageNamespace* other,
const MergeResultCallback& callback) OVERRIDE;
virtual bool IsAliasOf(SessionStorageNamespace* other) OVERRIDE;
virtual SessionStorageNamespace* CreateAlias() OVERRIDE;
private:
explicit SessionStorageNamespaceImpl(DOMStorageSession* clone);
virtual ~SessionStorageNamespaceImpl();
scoped_refptr<DOMStorageSession> session_;
DISALLOW_COPY_AND_ASSIGN(SessionStorageNamespaceImpl);
};
} // namespace content
#endif // CONTENT_BROWSER_DOM_STORAGE_SESSION_STORAGE_NAMESPACE_IMPL_H_