1/*
2 * Copyright (C) 2014 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "SecurityOriginHash.h"
29#include <wtf/Forward.h>
30#include <wtf/HashMap.h>
31#include <wtf/HashSet.h>
32#include <wtf/RefCounted.h>
33
34namespace WebCore {
35
36class Document;
37class Page;
38class SecurityOrigin;
39class StorageArea;
40class StorageNamespace;
41
42class StorageNamespaceProvider : public RefCounted<StorageNamespaceProvider> {
43public:
44 WEBCORE_EXPORT StorageNamespaceProvider();
45 WEBCORE_EXPORT virtual ~StorageNamespaceProvider();
46
47 virtual Ref<StorageNamespace> createSessionStorageNamespace(Page&, unsigned quota) = 0;
48 virtual Ref<StorageNamespace> createEphemeralLocalStorageNamespace(Page&, unsigned quota) = 0;
49
50 Ref<StorageArea> localStorageArea(Document&);
51
52 void addPage(Page&);
53 void removePage(Page&);
54
55protected:
56 StorageNamespace* optionalLocalStorageNamespace() { return m_localStorageNamespace.get(); }
57
58private:
59 StorageNamespace& localStorageNamespace();
60 StorageNamespace& transientLocalStorageNamespace(SecurityOrigin&);
61
62 virtual Ref<StorageNamespace> createLocalStorageNamespace(unsigned quota) = 0;
63 virtual Ref<StorageNamespace> createTransientLocalStorageNamespace(SecurityOrigin&, unsigned quota) = 0;
64
65 HashSet<Page*> m_pages;
66
67 RefPtr<StorageNamespace> m_localStorageNamespace;
68 HashMap<RefPtr<SecurityOrigin>, RefPtr<StorageNamespace>> m_transientLocalStorageMap;
69};
70
71} // namespace WebCore
72