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