1 /* 2 * Copyright (C) 2009 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "public/web/WebCache.h" 33 34 #include "core/fetch/MemoryCache.h" 35 36 namespace blink { 37 38 // A helper method for coverting a MemoryCache::TypeStatistic to a 39 // WebCache::ResourceTypeStat. 40 static void ToResourceTypeStat(const MemoryCache::TypeStatistic& from, 41 WebCache::ResourceTypeStat& to) 42 { 43 to.count = static_cast<size_t>(from.count); 44 to.size = static_cast<size_t>(from.size); 45 to.liveSize = static_cast<size_t>(from.liveSize); 46 to.decodedSize = static_cast<size_t>(from.decodedSize); 47 } 48 49 void WebCache::setCapacities( 50 size_t minDeadCapacity, size_t maxDeadCapacity, size_t capacity) 51 { 52 MemoryCache* cache = memoryCache(); 53 if (cache) 54 cache->setCapacities(static_cast<unsigned>(minDeadCapacity), static_cast<unsigned>(maxDeadCapacity), static_cast<unsigned>(capacity)); 55 } 56 57 void WebCache::clear() 58 { 59 MemoryCache* cache = memoryCache(); 60 if (cache) 61 cache->evictResources(); 62 } 63 64 void WebCache::getUsageStats(UsageStats* result) 65 { 66 ASSERT(result); 67 68 MemoryCache* cache = memoryCache(); 69 if (cache) { 70 result->minDeadCapacity = cache->minDeadCapacity(); 71 result->maxDeadCapacity = cache->maxDeadCapacity(); 72 result->capacity = cache->capacity(); 73 result->liveSize = cache->liveSize(); 74 result->deadSize = cache->deadSize(); 75 } else 76 memset(result, 0, sizeof(UsageStats)); 77 } 78 79 void WebCache::getResourceTypeStats(ResourceTypeStats* result) 80 { 81 MemoryCache* cache = memoryCache(); 82 if (cache) { 83 MemoryCache::Statistics stats = cache->getStatistics(); 84 ToResourceTypeStat(stats.images, result->images); 85 ToResourceTypeStat(stats.cssStyleSheets, result->cssStyleSheets); 86 ToResourceTypeStat(stats.scripts, result->scripts); 87 ToResourceTypeStat(stats.xslStyleSheets, result->xslStyleSheets); 88 ToResourceTypeStat(stats.fonts, result->fonts); 89 } else 90 memset(result, 0, sizeof(WebCache::ResourceTypeStats)); 91 } 92 93 } // namespace blink 94
