code.vuplus.com Git - vuplus_webkit/blob - Source/WebKit/mac/Misc/WebCache.mm

   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 "WebNSObjectExtras.h"
  29 #import "WebPreferences.h"
  30 #import "WebSystemInterface.h"
  31 #import "WebView.h"
  32 #import "WebViewInternal.h"
  33 #import <WebCore/ApplicationCacheStorage.h>
  34 #import <WebCore/MemoryCache.h>
  35 #import <WebCore/CrossOriginPreflightResultCache.h>
  36
  37 @implementation WebCache
  38
  39 + (void)initialize
  40 {
  41     InitWebCoreSystemInterface();
  42 }
  43
  44 + (NSArray *)statistics
  45 {
  46     WebCore::MemoryCache::Statistics s = WebCore::memoryCache()->getStatistics();
  47
  48     return [NSArray arrayWithObjects:
  49         [NSDictionary dictionaryWithObjectsAndKeys:
  50             [NSNumber numberWithInt:s.images.count], @"Images",
  51             [NSNumber numberWithInt:s.cssStyleSheets.count], @"CSS",
  52 #if ENABLE(XSLT)
  53             [NSNumber numberWithInt:s.xslStyleSheets.count], @"XSL",
  54 #else
  55             [NSNumber numberWithInt:0], @"XSL",
  56 #endif
  57             [NSNumber numberWithInt:s.scripts.count], @"JavaScript",
  58             nil],
  59         [NSDictionary dictionaryWithObjectsAndKeys:
  60             [NSNumber numberWithInt:s.images.size], @"Images",
  61             [NSNumber numberWithInt:s.cssStyleSheets.size] ,@"CSS",
  62 #if ENABLE(XSLT)
  63             [NSNumber numberWithInt:s.xslStyleSheets.size], @"XSL",
  64 #else
  65             [NSNumber numberWithInt:0], @"XSL",
  66 #endif
  67             [NSNumber numberWithInt:s.scripts.size], @"JavaScript",
  68             nil],
  69         [NSDictionary dictionaryWithObjectsAndKeys:
  70             [NSNumber numberWithInt:s.images.liveSize], @"Images",
  71             [NSNumber numberWithInt:s.cssStyleSheets.liveSize] ,@"CSS",
  72 #if ENABLE(XSLT)
  73             [NSNumber numberWithInt:s.xslStyleSheets.liveSize], @"XSL",
  74 #else
  75             [NSNumber numberWithInt:0], @"XSL",
  76 #endif
  77             [NSNumber numberWithInt:s.scripts.liveSize], @"JavaScript",
  78             nil],
  79         [NSDictionary dictionaryWithObjectsAndKeys:
  80             [NSNumber numberWithInt:s.images.decodedSize], @"Images",
  81             [NSNumber numberWithInt:s.cssStyleSheets.decodedSize] ,@"CSS",
  82 #if ENABLE(XSLT)
  83             [NSNumber numberWithInt:s.xslStyleSheets.decodedSize], @"XSL",
  84 #else
  85             [NSNumber numberWithInt:0], @"XSL",
  86 #endif
  87             [NSNumber numberWithInt:s.scripts.decodedSize], @"JavaScript",
  88             nil],
  89         [NSDictionary dictionaryWithObjectsAndKeys:
  90             [NSNumber numberWithInt:s.images.purgeableSize], @"Images",
  91             [NSNumber numberWithInt:s.cssStyleSheets.purgeableSize] ,@"CSS",
  92 #if ENABLE(XSLT)
  93             [NSNumber numberWithInt:s.xslStyleSheets.purgeableSize], @"XSL",
  94 #else
  95             [NSNumber numberWithInt:0], @"XSL",
  96 #endif
  97             [NSNumber numberWithInt:s.scripts.purgeableSize], @"JavaScript",
  98             nil],
  99         [NSDictionary dictionaryWithObjectsAndKeys:
 100             [NSNumber numberWithInt:s.images.purgedSize], @"Images",
 101             [NSNumber numberWithInt:s.cssStyleSheets.purgedSize] ,@"CSS",
 102 #if ENABLE(XSLT)
 103             [NSNumber numberWithInt:s.xslStyleSheets.purgedSize], @"XSL",
 104 #else
 105             [NSNumber numberWithInt:0], @"XSL",
 106 #endif
 107             [NSNumber numberWithInt:s.scripts.purgedSize], @"JavaScript",
 108             nil],
 109         nil];
 110 }
 111
 112 + (void)empty
 113 {
 114     // Toggling the cache model like this forces the cache to evict all its in-memory resources.
 115     WebCacheModel cacheModel = [WebView _cacheModel];
 116     [WebView _setCacheModel:WebCacheModelDocumentViewer];
 117     [WebView _setCacheModel:cacheModel];
 118
 119 #if ENABLE(OFFLINE_WEB_APPLICATIONS)
 120     // Empty the application cache.
 121     WebCore::cacheStorage().empty();
 122 #endif
 123
 124     // Empty the Cross-Origin Preflight cache
 125     WebCore::CrossOriginPreflightResultCache::shared().empty();
 126 }
 127
 128 + (void)setDisabled:(BOOL)disabled
 129 {
 130     if (!pthread_main_np())
 131         return [[self _webkit_invokeOnMainThread] setDisabled:disabled];
 132
 133     WebCore::memoryCache()->setDisabled(disabled);
 134 }
 135
 136 + (BOOL)isDisabled
 137 {
 138     return WebCore::memoryCache()->disabled();
 139 }
 140
 141 @end