1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* Copyright (C) 2013-2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "Connection.h"
#include "StorageAreaIdentifier.h"
#include "StorageAreaImplIdentifier.h"
#include "StorageAreaMapIdentifier.h"
#include <WebCore/ClientOrigin.h>
#include <wtf/HashMap.h>
#include <wtf/Identified.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
struct ClientOrigin;
}
namespace WebKit {
enum class StorageError : uint8_t {
Database,
ItemNotFound,
QuotaExceeded,
};
class StorageAreaBase : public CanMakeWeakPtr<StorageAreaBase>, public Identified<StorageAreaIdentifier> {
WTF_MAKE_TZONE_ALLOCATED(StorageAreaBase);
WTF_MAKE_NONCOPYABLE(StorageAreaBase);
public:
static uint64_t nextMessageIdentifier();
virtual ~StorageAreaBase();
enum class Type : bool { SQLite, Memory };
virtual Type type() const = 0;
enum class StorageType : bool { Session, Local };
virtual StorageType storageType() const = 0;
virtual bool isEmpty() = 0;
virtual void clear() = 0;
WebCore::ClientOrigin origin() const { return m_origin; }
unsigned quota() const { return m_quota; }
void addListener(IPC::Connection::UniqueID, StorageAreaMapIdentifier);
void removeListener(IPC::Connection::UniqueID);
bool hasListeners() const { return !m_listeners.isEmpty(); }
void notifyListenersAboutClear();
virtual HashMap<String, String> allItems() = 0;
virtual Expected<void, StorageError> setItem(std::optional<IPC::Connection::UniqueID>, std::optional<StorageAreaImplIdentifier>, String&& key, String&& value, const String& urlString) = 0;
virtual Expected<void, StorageError> removeItem(IPC::Connection::UniqueID, StorageAreaImplIdentifier, const String& key, const String& urlString) = 0;
virtual Expected<void, StorageError> clear(IPC::Connection::UniqueID, StorageAreaImplIdentifier, const String& urlString) = 0;
virtual void ref() const = 0;
virtual void deref() const = 0;
protected:
StorageAreaBase(unsigned quota, const WebCore::ClientOrigin&);
void dispatchEvents(IPC::Connection::UniqueID, StorageAreaImplIdentifier, const String& key, const String& oldValue, const String& newValue, const String& urlString) const;
private:
unsigned m_quota;
WebCore::ClientOrigin m_origin;
HashMap<IPC::Connection::UniqueID, StorageAreaMapIdentifier> m_listeners;
};
} // namespace WebKit
|
