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// Copyright 2012 The Chromium Authors
// 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 <stdint.h>
#include <memory>
#include <string>
#include "base/memory/scoped_refptr.h"
#include "content/public/browser/session_storage_namespace.h"
namespace content {
class DOMStorageContextWrapper;
class SessionStorageNamespaceImpl : public SessionStorageNamespace {
public:
// Constructs a SessionStorageNamespaceImpl and allocates a new ID for it.
//
// The allows TestRenderViewHost to instantiate these.
static scoped_refptr<SessionStorageNamespaceImpl> Create(
scoped_refptr<DOMStorageContextWrapper> context);
// If there is an existing SessionStorageNamespaceImpl with the given id in
// the DOMStorageContextWrapper, this will return that object. Otherwise this
// constructs a SessionStorageNamespaceImpl and assigns |namespace_id| to it.
static scoped_refptr<SessionStorageNamespaceImpl> Create(
scoped_refptr<DOMStorageContextWrapper> context,
std::string namespace_id);
// Constructs a |SessionStorageNamespaceImpl| with id |namespace_id| by
// cloning |namespace_to_clone|. Allocates it a new ID.
// Only set |immediately| to true to cause the clone to immediately happen,
// where there definitely will not be a |Clone| call from the
// SessionStorageNamespace mojo object.
static scoped_refptr<SessionStorageNamespaceImpl> CloneFrom(
scoped_refptr<DOMStorageContextWrapper> context,
std::string namespace_id,
const std::string& namespace_id_to_clone,
bool immediately = false);
SessionStorageNamespaceImpl(const SessionStorageNamespaceImpl&) = delete;
SessionStorageNamespaceImpl& operator=(const SessionStorageNamespaceImpl&) =
delete;
DOMStorageContextWrapper* context() const { return context_wrapper_.get(); }
// SessionStorageNamespace implementation.
const std::string& id() override;
void SetShouldPersist(bool should_persist) override;
bool should_persist() override;
scoped_refptr<SessionStorageNamespaceImpl> Clone();
bool IsFromContext(DOMStorageContextWrapper* context);
private:
// Creates a mojo version.
SessionStorageNamespaceImpl(scoped_refptr<DOMStorageContextWrapper> context,
std::string namespace_id);
~SessionStorageNamespaceImpl() override;
static void DeleteSessionNamespaceFromUIThread(
scoped_refptr<DOMStorageContextWrapper> context_wrapper,
std::string namespace_id,
bool should_persist);
scoped_refptr<DOMStorageContextWrapper> context_wrapper_;
std::string namespace_id_;
bool should_persist_;
};
} // namespace content
#endif // CONTENT_BROWSER_DOM_STORAGE_SESSION_STORAGE_NAMESPACE_IMPL_H_
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