1/*
2 * Copyright (C) 2008 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 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28#include "config.h"
29#include "OriginQuotaManager.h"
30
31#if ENABLE(DATABASE)
32
33#include "Database.h"
34#include "OriginUsageRecord.h"
35
36namespace WebCore {
37
38OriginQuotaManager::OriginQuotaManager()
39#ifndef NDEBUG
40    : m_usageRecordGuardLocked(false)
41#endif
42{
43}
44
45void OriginQuotaManager::lock()
46{
47    m_usageRecordGuard.lock();
48#ifndef NDEBUG
49    m_usageRecordGuardLocked = true;
50#endif
51}
52
53void OriginQuotaManager::unlock()
54{
55#ifndef NDEBUG
56    m_usageRecordGuardLocked = false;
57#endif
58    m_usageRecordGuard.unlock();
59}
60
61void OriginQuotaManager::trackOrigin(PassRefPtr<SecurityOrigin> origin)
62{
63    ASSERT(m_usageRecordGuardLocked);
64    ASSERT(!m_usageMap.contains(origin.get()));
65
66    m_usageMap.set(origin, new OriginUsageRecord);
67}
68
69bool OriginQuotaManager::tracksOrigin(SecurityOrigin* origin) const
70{
71    ASSERT(m_usageRecordGuardLocked);
72    return m_usageMap.contains(origin);
73}
74
75void OriginQuotaManager::addDatabase(SecurityOrigin* origin, const String& databaseIdentifier, const String& fullPath)
76{
77    ASSERT(m_usageRecordGuardLocked);
78
79    OriginUsageRecord* usageRecord = m_usageMap.get(origin);
80    ASSERT(usageRecord);
81
82    usageRecord->addDatabase(databaseIdentifier.threadsafeCopy(), fullPath.threadsafeCopy());
83}
84
85void OriginQuotaManager::removeDatabase(SecurityOrigin* origin, const String& databaseIdentifier)
86{
87    ASSERT(m_usageRecordGuardLocked);
88
89    if (OriginUsageRecord* usageRecord = m_usageMap.get(origin))
90        usageRecord->removeDatabase(databaseIdentifier);
91}
92
93void OriginQuotaManager::removeOrigin(SecurityOrigin* origin)
94{
95    ASSERT(m_usageRecordGuardLocked);
96
97    if (OriginUsageRecord* usageRecord = m_usageMap.get(origin)) {
98        m_usageMap.remove(origin);
99        delete usageRecord;
100    }
101}
102
103void OriginQuotaManager::markDatabase(Database* database)
104{
105    ASSERT(database);
106    ASSERT(m_usageRecordGuardLocked);
107    OriginUsageRecord* usageRecord = m_usageMap.get(database->securityOrigin());
108    ASSERT(usageRecord);
109
110    usageRecord->markDatabase(database->stringIdentifier());
111}
112
113unsigned long long OriginQuotaManager::diskUsage(SecurityOrigin* origin) const
114{
115    ASSERT(m_usageRecordGuardLocked);
116
117    OriginUsageRecord* usageRecord = m_usageMap.get(origin);
118    ASSERT(usageRecord);
119
120    return usageRecord->diskUsage();
121}
122
123}
124
125#endif // ENABLE(DATABASE)
126