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/DatabaseTracker.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(DATABASE) 53 return DatabaseTracker::tracker().usageForOrigin([_origin _core]); 54#else 55 return 0; 56#endif 57} 58 59- (unsigned long long)quota 60{ 61#if ENABLE(DATABASE) 62 return DatabaseTracker::tracker().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(DATABASE) 74 DatabaseTracker::tracker().setQuota([_origin _core], quota); 75#endif 76} 77 78@end 79