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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 "sky/engine/public/web/WebCache.h" | |
32 | |
33 #include "sky/engine/core/fetch/MemoryCache.h" | |
34 | |
35 namespace blink { | |
36 | |
37 // A helper method for coverting a MemoryCache::TypeStatistic to a | |
38 // WebCache::ResourceTypeStat. | |
39 static void ToResourceTypeStat(const MemoryCache::TypeStatistic& from, | |
40 WebCache::ResourceTypeStat& to) | |
41 { | |
42 to.count = static_cast<size_t>(from.count); | |
43 to.size = static_cast<size_t>(from.size); | |
44 to.liveSize = static_cast<size_t>(from.liveSize); | |
45 to.decodedSize = static_cast<size_t>(from.decodedSize); | |
46 } | |
47 | |
48 void WebCache::setCapacities( | |
49 size_t minDeadCapacity, size_t maxDeadCapacity, size_t capacity) | |
50 { | |
51 MemoryCache* cache = memoryCache(); | |
52 if (cache) | |
53 cache->setCapacities(static_cast<unsigned>(minDeadCapacity), static_cast
<unsigned>(maxDeadCapacity), static_cast<unsigned>(capacity)); | |
54 } | |
55 | |
56 void WebCache::clear() | |
57 { | |
58 MemoryCache* cache = memoryCache(); | |
59 if (cache) | |
60 cache->evictResources(); | |
61 } | |
62 | |
63 void WebCache::getUsageStats(UsageStats* result) | |
64 { | |
65 ASSERT(result); | |
66 | |
67 MemoryCache* cache = memoryCache(); | |
68 if (cache) { | |
69 result->minDeadCapacity = cache->minDeadCapacity(); | |
70 result->maxDeadCapacity = cache->maxDeadCapacity(); | |
71 result->capacity = cache->capacity(); | |
72 result->liveSize = cache->liveSize(); | |
73 result->deadSize = cache->deadSize(); | |
74 } else | |
75 memset(result, 0, sizeof(UsageStats)); | |
76 } | |
77 | |
78 void WebCache::getResourceTypeStats(ResourceTypeStats* result) | |
79 { | |
80 MemoryCache* cache = memoryCache(); | |
81 if (cache) { | |
82 MemoryCache::Statistics stats = cache->getStatistics(); | |
83 ToResourceTypeStat(stats.images, result->images); | |
84 ToResourceTypeStat(stats.cssStyleSheets, result->cssStyleSheets); | |
85 ToResourceTypeStat(stats.scripts, result->scripts); | |
86 ToResourceTypeStat(stats.fonts, result->fonts); | |
87 } else | |
88 memset(result, 0, sizeof(WebCache::ResourceTypeStats)); | |
89 } | |
90 | |
91 } // namespace blink | |
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