1/*
2 * Copyright (C) 2013-2017 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 <WebCore/SecurityOriginData.h>
29#include <WebCore/SecurityOriginHash.h>
30#include <WebCore/StorageArea.h>
31#include <WebCore/StorageMap.h>
32#include <WebCore/StorageNamespace.h>
33#include <wtf/HashMap.h>
34
35namespace WebKit {
36
37class StorageAreaMap;
38class WebPage;
39
40class StorageNamespaceImpl : public WebCore::StorageNamespace {
41public:
42 static Ref<StorageNamespaceImpl> createSessionStorageNamespace(uint64_t identifier, unsigned quotaInBytes);
43 static Ref<StorageNamespaceImpl> createEphemeralLocalStorageNamespace(uint64_t identifier, unsigned quotaInBytes);
44
45 enum class IsEphemeral : bool { No, Yes };
46 static Ref<StorageNamespaceImpl> createLocalStorageNamespace(uint64_t identifier, unsigned quotaInBytes, IsEphemeral isEphemeral);
47 static Ref<StorageNamespaceImpl> createTransientLocalStorageNamespace(uint64_t identifier, WebCore::SecurityOrigin& topLevelOrigin, uint64_t quotaInBytes);
48
49 virtual ~StorageNamespaceImpl();
50
51 WebCore::StorageType storageType() const { return m_storageType; }
52 uint64_t storageNamespaceID() const { return m_storageNamespaceID; }
53 WebCore::SecurityOrigin* topLevelOrigin() const { return m_topLevelOrigin.get(); }
54 unsigned quotaInBytes() const { return m_quotaInBytes; }
55
56 void didDestroyStorageAreaMap(StorageAreaMap&);
57
58private:
59 explicit StorageNamespaceImpl(WebCore::StorageType, uint64_t storageNamespaceID, WebCore::SecurityOrigin* topLevelOrigin, unsigned quotaInBytes);
60
61 Ref<WebCore::StorageArea> storageArea(const WebCore::SecurityOriginData&) override;
62 Ref<WebCore::StorageNamespace> copy(WebCore::Page*) override;
63
64 const WebCore::StorageType m_storageType;
65 const uint64_t m_storageNamespaceID;
66
67 // Only used for transient local storage namespaces.
68 const RefPtr<WebCore::SecurityOrigin> m_topLevelOrigin;
69
70 const unsigned m_quotaInBytes;
71
72 HashMap<WebCore::SecurityOriginData, StorageAreaMap*> m_storageAreaMaps;
73};
74
75} // namespace WebKit
76