1/*
2 * Copyright (C) 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26@class WebSecurityOrigin;
27
28/*!
29    @protocol WebQuotaManager
30    @discussion This protocol is used to view and manipulate a per-origin storage quota.
31*/
32@protocol WebQuotaManager
33
34/*!
35    @method initWithOrigin:
36    @param The security origin this will manage.
37    @result A new WebQuotaManager object.
38*/
39- (id)initWithOrigin:(WebSecurityOrigin *)origin;
40
41/*!
42    @method origin
43    @result The security origin this manager is managing.
44*/
45- (WebSecurityOrigin *)origin;
46
47/*!
48    @method usage
49    @result The current total usage of all relevant items in this security origin in bytes.
50*/
51- (unsigned long long)usage;
52
53/*!
54    @method quota
55    @result The current quota of security origin in bytes.
56*/
57- (unsigned long long)quota;
58
59/*!
60    @method setQuota:
61    @param Sets a new quota, in bytes, on this security origin.
62*/
63- (void)setQuota:(unsigned long long)quota;
64
65@end
66