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
38namespace WebCore {
39
40QuotaTracker& QuotaTracker::instance()
41{
42    DEFINE_STATIC_LOCAL(QuotaTracker, tracker, ());
43    return tracker;
44}
45
46void 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
60void 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