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
36 namespace WebCore {
37
OriginQuotaManager()38 OriginQuotaManager::OriginQuotaManager()
39 #ifndef NDEBUG
40 : m_usageRecordGuardLocked(false)
41 #endif
42 {
43 }
44
lock()45 void OriginQuotaManager::lock()
46 {
47 m_usageRecordGuard.lock();
48 #ifndef NDEBUG
49 m_usageRecordGuardLocked = true;
50 #endif
51 }
52
unlock()53 void OriginQuotaManager::unlock()
54 {
55 #ifndef NDEBUG
56 m_usageRecordGuardLocked = false;
57 #endif
58 m_usageRecordGuard.unlock();
59 }
60
trackOrigin(PassRefPtr<SecurityOrigin> origin)61 void 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
tracksOrigin(SecurityOrigin * origin) const69 bool OriginQuotaManager::tracksOrigin(SecurityOrigin* origin) const
70 {
71 ASSERT(m_usageRecordGuardLocked);
72 return m_usageMap.contains(origin);
73 }
74
addDatabase(SecurityOrigin * origin,const String & databaseIdentifier,const String & fullPath)75 void 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.copy(), fullPath.copy());
83 }
84
removeDatabase(SecurityOrigin * origin,const String & databaseIdentifier)85 void 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
removeOrigin(SecurityOrigin * origin)93 void 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
markDatabase(Database * database)103 void OriginQuotaManager::markDatabase(Database* database)
104 {
105 ASSERT(database);
106 ASSERT(m_usageRecordGuardLocked);
107 RefPtr<SecurityOrigin> origin = database->securityOriginCopy();
108 OriginUsageRecord* usageRecord = m_usageMap.get(origin);
109 ASSERT(usageRecord);
110
111 usageRecord->markDatabase(database->stringIdentifier());
112 }
113
diskUsage(SecurityOrigin * origin) const114 unsigned long long OriginQuotaManager::diskUsage(SecurityOrigin* origin) const
115 {
116 ASSERT(m_usageRecordGuardLocked);
117
118 OriginUsageRecord* usageRecord = m_usageMap.get(origin);
119 ASSERT(usageRecord);
120
121 return usageRecord->diskUsage();
122 }
123
124
125 }
126
127 #endif // ENABLE(DATABASE)
128