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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All Rights Reserved. | 2 * Copyright (C) 2013 Google Inc. All Rights Reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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42 HTMLResourcePreloader* HTMLResourcePreloader::create(Document& document) | 42 HTMLResourcePreloader* HTMLResourcePreloader::create(Document& document) |
43 { | 43 { |
44 return new HTMLResourcePreloader(document); | 44 return new HTMLResourcePreloader(document); |
45 } | 45 } |
46 | 46 |
47 DEFINE_TRACE(HTMLResourcePreloader) | 47 DEFINE_TRACE(HTMLResourcePreloader) |
48 { | 48 { |
49 visitor->trace(m_document); | 49 visitor->trace(m_document); |
50 } | 50 } |
51 | 51 |
52 static void preconnectHost(PreloadRequest* request, const NetworkHintsInterface&
networkHintsInterface) | 52 static void preconnectHost(PreloadRequest* request) |
53 { | 53 { |
54 ASSERT(request); | 54 ASSERT(request); |
55 ASSERT(request->isPreconnect()); | 55 ASSERT(request->isPreconnect()); |
56 KURL host(request->baseURL(), request->resourceURL()); | 56 KURL host(request->baseURL(), request->resourceURL()); |
57 if (!host.isValid() || !host.protocolIsInHTTPFamily()) | 57 if (!host.isValid() || !host.protocolIsInHTTPFamily()) |
58 return; | 58 return; |
59 networkHintsInterface.preconnectHost(host, request->crossOrigin()); | 59 Platform::current()->preconnect(host, request->crossOrigin() != CrossOriginA
ttributeAnonymous, 1); |
60 } | 60 } |
61 | 61 |
62 void HTMLResourcePreloader::preload(PassOwnPtr<PreloadRequest> preload, const Ne
tworkHintsInterface& networkHintsInterface) | 62 void HTMLResourcePreloader::preload(PassOwnPtr<PreloadRequest> preload) |
63 { | 63 { |
64 if (preload->isPreconnect()) { | 64 if (preload->isPreconnect()) { |
65 preconnectHost(preload.get(), networkHintsInterface); | 65 preconnectHost(preload.get()); |
66 return; | 66 return; |
67 } | 67 } |
68 // TODO(yoichio): Should preload if document is imported. | 68 // TODO(yoichio): Should preload if document is imported. |
69 if (!m_document->loader()) | 69 if (!m_document->loader()) |
70 return; | 70 return; |
71 FetchRequest request = preload->resourceRequest(m_document); | 71 FetchRequest request = preload->resourceRequest(m_document); |
72 // TODO(dgozman): This check should go to HTMLPreloadScanner, but this requi
res | 72 // TODO(dgozman): This check should go to HTMLPreloadScanner, but this requi
res |
73 // making Document::completeURLWithOverride logic to be statically accessibl
e. | 73 // making Document::completeURLWithOverride logic to be statically accessibl
e. |
74 if (request.url().protocolIsData()) | 74 if (request.url().protocolIsData()) |
75 return; | 75 return; |
76 if (preload->resourceType() == Resource::Script || preload->resourceType() =
= Resource::CSSStyleSheet || preload->resourceType() == Resource::ImportResource
) | 76 if (preload->resourceType() == Resource::Script || preload->resourceType() =
= Resource::CSSStyleSheet || preload->resourceType() == Resource::ImportResource
) |
77 request.setCharset(preload->charset().isEmpty() ? m_document->characterS
et().getString() : preload->charset()); | 77 request.setCharset(preload->charset().isEmpty() ? m_document->characterS
et().getString() : preload->charset()); |
78 request.setForPreload(true, preload->discoveryTime()); | 78 request.setForPreload(true, preload->discoveryTime()); |
79 int duration = static_cast<int>(1000 * (monotonicallyIncreasingTime() - prel
oad->discoveryTime())); | 79 int duration = static_cast<int>(1000 * (monotonicallyIncreasingTime() - prel
oad->discoveryTime())); |
80 DEFINE_STATIC_LOCAL(CustomCountHistogram, preloadDelayHistogram, ("WebCore.P
reloadDelayMs", 0, 2000, 20)); | 80 DEFINE_STATIC_LOCAL(CustomCountHistogram, preloadDelayHistogram, ("WebCore.P
reloadDelayMs", 0, 2000, 20)); |
81 preloadDelayHistogram.count(duration); | 81 preloadDelayHistogram.count(duration); |
82 m_document->loader()->startPreload(preload->resourceType(), request); | 82 m_document->loader()->startPreload(preload->resourceType(), request); |
83 } | 83 } |
84 | 84 |
85 } // namespace blink | 85 } // namespace blink |
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