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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 |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #include "config.h" | 26 #include "config.h" |
27 #include "core/html/parser/HTMLResourcePreloader.h" | 27 #include "core/html/parser/HTMLResourcePreloader.h" |
28 | 28 |
29 #include "core/dom/Document.h" | 29 #include "core/dom/Document.h" |
| 30 #include "core/html/HTMLImport.h" |
30 #include "core/loader/cache/FetchInitiatorInfo.h" | 31 #include "core/loader/cache/FetchInitiatorInfo.h" |
31 #include "core/loader/cache/ResourceFetcher.h" | 32 #include "core/loader/cache/ResourceFetcher.h" |
32 | |
33 #include "core/css/MediaList.h" | 33 #include "core/css/MediaList.h" |
34 #include "core/css/MediaQueryEvaluator.h" | 34 #include "core/css/MediaQueryEvaluator.h" |
35 #include "core/rendering/RenderObject.h" | 35 #include "core/rendering/RenderObject.h" |
36 | 36 |
37 namespace WebCore { | 37 namespace WebCore { |
38 | 38 |
39 bool PreloadRequest::isSafeToSendToAnotherThread() const | 39 bool PreloadRequest::isSafeToSendToAnotherThread() const |
40 { | 40 { |
41 return m_initiatorName.isSafeToSendToAnotherThread() | 41 return m_initiatorName.isSafeToSendToAnotherThread() |
42 && m_charset.isSafeToSendToAnotherThread() | 42 && m_charset.isSafeToSendToAnotherThread() |
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75 | 75 |
76 static bool mediaAttributeMatches(Frame* frame, RenderStyle* renderStyle, const
String& attributeValue) | 76 static bool mediaAttributeMatches(Frame* frame, RenderStyle* renderStyle, const
String& attributeValue) |
77 { | 77 { |
78 RefPtr<MediaQuerySet> mediaQueries = MediaQuerySet::create(attributeValue); | 78 RefPtr<MediaQuerySet> mediaQueries = MediaQuerySet::create(attributeValue); |
79 MediaQueryEvaluator mediaQueryEvaluator("screen", frame, renderStyle); | 79 MediaQueryEvaluator mediaQueryEvaluator("screen", frame, renderStyle); |
80 return mediaQueryEvaluator.eval(mediaQueries.get()); | 80 return mediaQueryEvaluator.eval(mediaQueries.get()); |
81 } | 81 } |
82 | 82 |
83 void HTMLResourcePreloader::preload(PassOwnPtr<PreloadRequest> preload) | 83 void HTMLResourcePreloader::preload(PassOwnPtr<PreloadRequest> preload) |
84 { | 84 { |
85 ASSERT(m_document->frame()); | 85 Document* executingDocument = m_document->import() ? m_document->import()->m
aster() : m_document; |
86 ASSERT(m_document->renderer()); | 86 Document* loadingDocument = m_document; |
87 ASSERT(m_document->renderer()->style()); | 87 |
88 if (!preload->media().isEmpty() && !mediaAttributeMatches(m_document->frame(
), m_document->renderer()->style(), preload->media())) | 88 ASSERT(executingDocument->frame()); |
| 89 ASSERT(executingDocument->renderer()); |
| 90 ASSERT(executingDocument->renderer()->style()); |
| 91 if (!preload->media().isEmpty() && !mediaAttributeMatches(executingDocument-
>frame(), executingDocument->renderer()->style(), preload->media())) |
89 return; | 92 return; |
90 | 93 |
91 FetchRequest request = preload->resourceRequest(m_document); | 94 FetchRequest request = preload->resourceRequest(m_document); |
92 m_document->fetcher()->preload(preload->resourceType(), request, preload->ch
arset()); | 95 loadingDocument->fetcher()->preload(preload->resourceType(), request, preloa
d->charset()); |
93 } | 96 } |
94 | 97 |
95 | 98 |
96 } | 99 } |
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