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Side by Side Diff: webkit/browser/dom_storage/dom_storage_session.h

Issue 22297005: Move webkit/{browser,common}/dom_storage into content/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 4 months ago
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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 WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_SESSION_H_
6 #define WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_SESSION_H_
7
8 #include <string>
9
10 #include "base/basictypes.h"
11 #include "base/memory/ref_counted.h"
12 #include "webkit/browser/webkit_storage_browser_export.h"
13
14 namespace dom_storage {
15
16 class DomStorageContext;
17
18 // This refcounted class determines the lifetime of a session
19 // storage namespace and provides an interface to Clone() an
20 // existing session storage namespace. It may be used on any thread.
21 // See class comments for DomStorageContext for a larger overview.
22 class WEBKIT_STORAGE_BROWSER_EXPORT DomStorageSession
23 : public base::RefCountedThreadSafe<DomStorageSession> {
24 public:
25 // Constructs a |DomStorageSession| and allocates new IDs for it.
26 explicit DomStorageSession(DomStorageContext* context);
27
28 // Constructs a |DomStorageSession| and assigns |persistent_namespace_id|
29 // to it. Allocates a new non-persistent ID.
30 DomStorageSession(DomStorageContext* context,
31 const std::string& persistent_namespace_id);
32
33 int64 namespace_id() const { return namespace_id_; }
34 const std::string& persistent_namespace_id() const {
35 return persistent_namespace_id_;
36 }
37 void SetShouldPersist(bool should_persist);
38 bool should_persist() const;
39 bool IsFromContext(DomStorageContext* context);
40 DomStorageSession* Clone();
41
42 // Constructs a |DomStorageSession| by cloning
43 // |namespace_id_to_clone|. Allocates new IDs for it.
44 static DomStorageSession* CloneFrom(DomStorageContext* context,
45 int64 namepace_id_to_clone);
46
47 private:
48 friend class base::RefCountedThreadSafe<DomStorageSession>;
49
50 DomStorageSession(DomStorageContext* context,
51 int64 namespace_id,
52 const std::string& persistent_namespace_id);
53 ~DomStorageSession();
54
55 scoped_refptr<DomStorageContext> context_;
56 int64 namespace_id_;
57 std::string persistent_namespace_id_;
58 bool should_persist_;
59
60 DISALLOW_IMPLICIT_CONSTRUCTORS(DomStorageSession);
61 };
62
63 } // namespace dom_storage
64
65 #endif // WEBKIT_BROWSER_DOM_STORAGE_DOM_STORAGE_SESSION_H_
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