Move webkit/{browser,common}/dom_storage into content/

content/browser/dom_storage/dom_storage_session.h

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.

[jam, 2013/08/06 16:13:49]

hmm, why is git not seeing this file move? it would be good to preserve history

[kinuko, 2013/08/07 14:29:52]

Tweaked git cl upload --similarity flag, now most files track their originals.

+// 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_DOM_STORAGE_SESSION_H_
+#define CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_SESSION_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/memory/ref_counted.h"
+#include "content/common/content_export.h"
+
+namespace content {
+
+class DOMStorageContextImpl;
+
+// 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 DOMStorageContextImpl for a larger overview.
+class CONTENT_EXPORT DOMStorageSession
+    : public base::RefCountedThreadSafe<DOMStorageSession> {
+ public:
+  // Constructs a |DOMStorageSession| and allocates new IDs for it.
+  explicit DOMStorageSession(DOMStorageContextImpl* context);
+
+  // Constructs a |DOMStorageSession| and assigns |persistent_namespace_id|
+  // to it. Allocates a new non-persistent ID.
+  DOMStorageSession(DOMStorageContextImpl* 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(DOMStorageContextImpl* context);
+  DOMStorageSession* Clone();
+
+  // Constructs a |DOMStorageSession| by cloning
+  // |namespace_id_to_clone|. Allocates new IDs for it.
+  static DOMStorageSession* CloneFrom(DOMStorageContextImpl* context,
+                                      int64 namepace_id_to_clone);
+
+ private:
+  friend class base::RefCountedThreadSafe<DOMStorageSession>;
+
+  DOMStorageSession(DOMStorageContextImpl* context,
+                    int64 namespace_id,
+                    const std::string& persistent_namespace_id);
+  ~DOMStorageSession();
+
+  scoped_refptr<DOMStorageContextImpl> context_;
+  int64 namespace_id_;
+  std::string persistent_namespace_id_;
+  bool should_persist_;
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(DOMStorageSession);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_SESSION_H_