1/*
2 * Copyright (C) 2007, 2010 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 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#import "WebDatabaseQuotaManager.h"
27
28#import "WebSecurityOriginInternal.h"
29#import <WebCore/DatabaseManager.h>
30
31using namespace WebCore;
32
33@implementation WebDatabaseQuotaManager
34
35- (id)initWithOrigin:(WebSecurityOrigin *)origin
36{
37    self = [super init];
38    if (!self)
39        return nil;
40
41    _origin = origin;
42    return self;
43}
44
45- (WebSecurityOrigin *)origin
46{
47    return _origin;
48}
49
50- (unsigned long long)usage
51{
52#if ENABLE(SQL_DATABASE)
53    return DatabaseManager::manager().usageForOrigin([_origin _core]);
54#else
55    return 0;
56#endif
57}
58
59- (unsigned long long)quota
60{
61#if ENABLE(SQL_DATABASE)
62    return DatabaseManager::manager().quotaForOrigin([_origin _core]);
63#else
64    return 0;
65#endif
66}
67
68// If the quota is set to a value lower than the current usage, that quota will
69// "stick" but no data will be purged to meet the new quota. This will simply
70// prevent new data from being added to databases in that origin.
71- (void)setQuota:(unsigned long long)quota
72{
73#if ENABLE(SQL_DATABASE)
74    DatabaseManager::manager().setQuota([_origin _core], quota);
75#endif
76}
77
78@end
79