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 #include "Database.h"
32 #include "OriginUsageRecord.h"
33
34 namespace WebCore {
35
OriginQuotaManager()36 OriginQuotaManager::OriginQuotaManager()
37 #ifndef NDEBUG
38 : m_usageRecordGuardLocked(false)
39 #endif
40 {
41 }
42
lock()43 void OriginQuotaManager::lock()
44 {
45 m_usageRecordGuard.lock();
46 #ifndef NDEBUG
47 m_usageRecordGuardLocked = true;
48 #endif
49 }
50
unlock()51 void OriginQuotaManager::unlock()
52 {
53 #ifndef NDEBUG
54 m_usageRecordGuardLocked = false;
55 #endif
56 m_usageRecordGuard.unlock();
57 }
58
trackOrigin(PassRefPtr<SecurityOrigin> origin)59 void OriginQuotaManager::trackOrigin(PassRefPtr<SecurityOrigin> origin)
60 {
61 ASSERT(m_usageRecordGuardLocked);
62 ASSERT(!m_usageMap.contains(origin.get()));
63
64 m_usageMap.set(origin, new OriginUsageRecord);
65 }
66
tracksOrigin(SecurityOrigin * origin) const67 bool OriginQuotaManager::tracksOrigin(SecurityOrigin* origin) const
68 {
69 ASSERT(m_usageRecordGuardLocked);
70 return m_usageMap.contains(origin);
71 }
72
addDatabase(SecurityOrigin * origin,const String & databaseIdentifier,const String & fullPath)73 void OriginQuotaManager::addDatabase(SecurityOrigin* origin, const String& databaseIdentifier, const String& fullPath)
74 {
75 ASSERT(m_usageRecordGuardLocked);
76
77 OriginUsageRecord* usageRecord = m_usageMap.get(origin);
78 ASSERT(usageRecord);
79
80 usageRecord->addDatabase(databaseIdentifier.copy(), fullPath.copy());
81 }
82
removeDatabase(SecurityOrigin * origin,const String & databaseIdentifier)83 void OriginQuotaManager::removeDatabase(SecurityOrigin* origin, const String& databaseIdentifier)
84 {
85 ASSERT(m_usageRecordGuardLocked);
86
87 if (OriginUsageRecord* usageRecord = m_usageMap.get(origin))
88 usageRecord->removeDatabase(databaseIdentifier);
89 }
90
removeOrigin(SecurityOrigin * origin)91 void OriginQuotaManager::removeOrigin(SecurityOrigin* origin)
92 {
93 ASSERT(m_usageRecordGuardLocked);
94
95 if (OriginUsageRecord* usageRecord = m_usageMap.get(origin)) {
96 m_usageMap.remove(origin);
97 delete usageRecord;
98 }
99 }
100
markDatabase(Database * database)101 void OriginQuotaManager::markDatabase(Database* database)
102 {
103 ASSERT(database);
104 ASSERT(m_usageRecordGuardLocked);
105 RefPtr<SecurityOrigin> origin = database->securityOriginCopy();
106 OriginUsageRecord* usageRecord = m_usageMap.get(origin);
107 ASSERT(usageRecord);
108
109 usageRecord->markDatabase(database->stringIdentifier());
110 }
111
diskUsage(SecurityOrigin * origin) const112 unsigned long long OriginQuotaManager::diskUsage(SecurityOrigin* origin) const
113 {
114 ASSERT(m_usageRecordGuardLocked);
115
116 OriginUsageRecord* usageRecord = m_usageMap.get(origin);
117 ASSERT(usageRecord);
118
119 return usageRecord->diskUsage();
120 }
121
122
123 }
124