1 /*
2 * Copyright (C) 2009 Google 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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "QuotaTracker.h"
33
34 #if ENABLE(DATABASE)
35
36 #include <wtf/StdLibExtras.h>
37
38 namespace WebCore {
39
instance()40 QuotaTracker& QuotaTracker::instance()
41 {
42 DEFINE_STATIC_LOCAL(QuotaTracker, tracker, ());
43 return tracker;
44 }
45
getDatabaseSizeAndSpaceAvailableToOrigin(const String & originIdentifier,const String & databaseName,unsigned long long * databaseSize,unsigned long long * spaceAvailable)46 void QuotaTracker::getDatabaseSizeAndSpaceAvailableToOrigin(
47 const String& originIdentifier, const String& databaseName,
48 unsigned long long* databaseSize, unsigned long long* spaceAvailable)
49 {
50 MutexLocker lockData(m_dataGuard);
51 ASSERT(m_databaseSizes.contains(originIdentifier));
52 HashMap<String, SizeMap>::const_iterator it = m_databaseSizes.find(originIdentifier);
53 ASSERT(it->second.contains(databaseName));
54 *databaseSize = it->second.get(databaseName);
55
56 ASSERT(m_spaceAvailableToOrigins.contains(originIdentifier));
57 *spaceAvailable = m_spaceAvailableToOrigins.get(originIdentifier);
58 }
59
updateDatabaseSizeAndSpaceAvailableToOrigin(const String & originIdentifier,const String & databaseName,unsigned long long databaseSize,unsigned long long spaceAvailable)60 void QuotaTracker::updateDatabaseSizeAndSpaceAvailableToOrigin(
61 const String& originIdentifier, const String& databaseName,
62 unsigned long long databaseSize, unsigned long long spaceAvailable)
63 {
64 MutexLocker lockData(m_dataGuard);
65 m_spaceAvailableToOrigins.set(originIdentifier, spaceAvailable);
66 HashMap<String, SizeMap>::iterator it = m_databaseSizes.add(originIdentifier, SizeMap()).first;
67 it->second.set(databaseName, databaseSize);
68 }
69
70 }
71
72 #endif // ENABLE(DATABASE)
73