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| 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 "WebCache.h" | |
| 33 | |
| 34 // Instead of providing accessors, we make all members of Cache public. | |
| 35 // This will make it easier to track WebCore changes to the Cache class. | |
| 36 // FIXME: We should introduce public getters on the Cache class. | |
| 37 #define private public | |
| 38 #include "Cache.h" | |
| 39 #undef private | |
| 40 | |
| 41 using namespace WebCore; | |
| 42 | |
| 43 namespace WebKit { | |
| 44 | |
| 45 // A helper method for coverting a Cache::TypeStatistic to a | |
| 46 // WebCache::ResourceTypeStat. | |
| 47 static void ToResourceTypeStat(const Cache::TypeStatistic& from, | |
| 48 WebCache::ResourceTypeStat& to) | |
| 49 { | |
| 50 to.count = static_cast<size_t>(from.count); | |
| 51 to.size = static_cast<size_t>(from.size); | |
| 52 to.liveSize = static_cast<size_t>(from.liveSize); | |
| 53 to.decodedSize = static_cast<size_t>(from.decodedSize); | |
| 54 } | |
| 55 | |
| 56 void WebCache::setCapacities( | |
| 57 size_t minDeadCapacity, size_t maxDeadCapacity, size_t capacity) | |
| 58 { | |
| 59 Cache* cache = WebCore::cache(); | |
| 60 if (cache) | |
| 61 cache->setCapacities(static_cast<unsigned int>(minDeadCapacity), | |
| 62 static_cast<unsigned int>(maxDeadCapacity), | |
| 63 static_cast<unsigned int>(capacity)); | |
| 64 } | |
| 65 | |
| 66 void WebCache::clear() | |
| 67 { | |
| 68 Cache* cache = WebCore::cache(); | |
| 69 if (cache && !cache->disabled()) { | |
| 70 // NOTE: I think using setDisabled() instead of setCapacities() will | |
| 71 // remove from the cache items that won't actually be freed from memory | |
| 72 // (due to other live references to them), so it just results in wasting | |
| 73 // time later and not saving memory compared to the below technique. | |
| 74 unsigned minDeadCapacity = cache->m_minDeadCapacity; | |
| 75 unsigned maxDeadCapacity = cache->m_maxDeadCapacity; | |
| 76 unsigned capacity = cache->m_capacity; | |
| 77 cache->setCapacities(0, 0, 0); // Will prune the cache. | |
| 78 cache->setCapacities(minDeadCapacity, maxDeadCapacity, capacity); | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 void WebCache::getUsageStats(UsageStats* result) | |
| 83 { | |
| 84 ASSERT(result); | |
| 85 | |
| 86 Cache* cache = WebCore::cache(); | |
| 87 if (cache) { | |
| 88 result->minDeadCapacity = cache->m_minDeadCapacity; | |
| 89 result->maxDeadCapacity = cache->m_maxDeadCapacity; | |
| 90 result->capacity = cache->m_capacity; | |
| 91 result->liveSize = cache->m_liveSize; | |
| 92 result->deadSize = cache->m_deadSize; | |
| 93 } else | |
| 94 memset(result, 0, sizeof(UsageStats)); | |
| 95 } | |
| 96 | |
| 97 void WebCache::getResourceTypeStats(ResourceTypeStats* result) | |
| 98 { | |
| 99 Cache* cache = WebCore::cache(); | |
| 100 if (cache) { | |
| 101 Cache::Statistics stats = cache->getStatistics(); | |
| 102 ToResourceTypeStat(stats.images, result->images); | |
| 103 ToResourceTypeStat(stats.cssStyleSheets, result->cssStyleSheets); | |
| 104 ToResourceTypeStat(stats.scripts, result->scripts); | |
| 105 #if ENABLE(XSLT) | |
| 106 ToResourceTypeStat(stats.xslStyleSheets, result->xslStyleSheets); | |
| 107 #else | |
| 108 memset(&result->xslStyleSheets, 0, sizeof(result->xslStyleSheets)); | |
| 109 #endif | |
| 110 ToResourceTypeStat(stats.fonts, result->fonts); | |
| 111 } else | |
| 112 memset(result, 0, sizeof(WebCache::ResourceTypeStats)); | |
| 113 } | |
| 114 | |
| 115 } // namespace WebKit | |
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Chromium Code Reviews
Issue 385057:
Deleted webkit/api which now lives in webkit.org (Closed)
