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1/*
2 * Copyright (C) 2006 Apple Computer, 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 COMPUTER, 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 COMPUTER, 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#import "WebCache.h"
27
28#import "WebPreferences.h"
29#import "WebSystemInterface.h"
30#import "WebView.h"
31#import "WebViewInternal.h"
32#import <WebCore/ApplicationCacheStorage.h>
33#import <WebCore/Cache.h>
34#import <WebCore/CrossOriginPreflightResultCache.h>
35
36@implementation WebCache
37
38+ (void)initialize
39{
40    InitWebCoreSystemInterface();
41}
42
43+ (NSArray *)statistics
44{
45    WebCore::Cache::Statistics s = WebCore::cache()->getStatistics();
46
47    return [NSArray arrayWithObjects:
48        [NSDictionary dictionaryWithObjectsAndKeys:
49            [NSNumber numberWithInt:s.images.count], @"Images",
50            [NSNumber numberWithInt:s.cssStyleSheets.count], @"CSS",
51#if ENABLE(XSLT)
52            [NSNumber numberWithInt:s.xslStyleSheets.count], @"XSL",
53#else
54            [NSNumber numberWithInt:0], @"XSL",
55#endif
56            [NSNumber numberWithInt:s.scripts.count], @"JavaScript",
57            nil],
58        [NSDictionary dictionaryWithObjectsAndKeys:
59            [NSNumber numberWithInt:s.images.size], @"Images",
60            [NSNumber numberWithInt:s.cssStyleSheets.size] ,@"CSS",
61#if ENABLE(XSLT)
62            [NSNumber numberWithInt:s.xslStyleSheets.size], @"XSL",
63#else
64            [NSNumber numberWithInt:0], @"XSL",
65#endif
66            [NSNumber numberWithInt:s.scripts.size], @"JavaScript",
67            nil],
68        [NSDictionary dictionaryWithObjectsAndKeys:
69            [NSNumber numberWithInt:s.images.liveSize], @"Images",
70            [NSNumber numberWithInt:s.cssStyleSheets.liveSize] ,@"CSS",
71#if ENABLE(XSLT)
72            [NSNumber numberWithInt:s.xslStyleSheets.liveSize], @"XSL",
73#else
74            [NSNumber numberWithInt:0], @"XSL",
75#endif
76            [NSNumber numberWithInt:s.scripts.liveSize], @"JavaScript",
77            nil],
78        [NSDictionary dictionaryWithObjectsAndKeys:
79            [NSNumber numberWithInt:s.images.decodedSize], @"Images",
80            [NSNumber numberWithInt:s.cssStyleSheets.decodedSize] ,@"CSS",
81#if ENABLE(XSLT)
82            [NSNumber numberWithInt:s.xslStyleSheets.decodedSize], @"XSL",
83#else
84            [NSNumber numberWithInt:0], @"XSL",
85#endif
86            [NSNumber numberWithInt:s.scripts.decodedSize], @"JavaScript",
87            nil],
88        [NSDictionary dictionaryWithObjectsAndKeys:
89            [NSNumber numberWithInt:s.images.purgeableSize], @"Images",
90            [NSNumber numberWithInt:s.cssStyleSheets.purgeableSize] ,@"CSS",
91#if ENABLE(XSLT)
92            [NSNumber numberWithInt:s.xslStyleSheets.purgeableSize], @"XSL",
93#else
94            [NSNumber numberWithInt:0], @"XSL",
95#endif
96            [NSNumber numberWithInt:s.scripts.purgeableSize], @"JavaScript",
97            nil],
98        [NSDictionary dictionaryWithObjectsAndKeys:
99            [NSNumber numberWithInt:s.images.purgedSize], @"Images",
100            [NSNumber numberWithInt:s.cssStyleSheets.purgedSize] ,@"CSS",
101#if ENABLE(XSLT)
102            [NSNumber numberWithInt:s.xslStyleSheets.purgedSize], @"XSL",
103#else
104            [NSNumber numberWithInt:0], @"XSL",
105#endif
106            [NSNumber numberWithInt:s.scripts.purgedSize], @"JavaScript",
107            nil],
108        nil];
109}
110
111+ (void)empty
112{
113    // Toggling the cache model like this forces the cache to evict all its in-memory resources.
114    WebCacheModel cacheModel = [WebView _cacheModel];
115    [WebView _setCacheModel:WebCacheModelDocumentViewer];
116    [WebView _setCacheModel:cacheModel];
117
118    // Empty the application cache.
119    WebCore::cacheStorage().empty();
120
121    // Empty the Cross-Origin Preflight cache
122    WebCore::CrossOriginPreflightResultCache::shared().empty();
123}
124
125+ (void)setDisabled:(BOOL)disabled
126{
127    WebCore::cache()->setDisabled(disabled);
128}
129
130+ (BOOL)isDisabled
131{
132    return WebCore::cache()->disabled();
133}
134
135@end
136