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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2001 Dirk Mueller (mueller@kde.org) | 4 * (C) 2001 Dirk Mueller (mueller@kde.org) |
5 * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserv
ed. | 5 * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserv
ed. |
6 * Copyright (C) 2009 Rob Buis (rwlbuis@gmail.com) | 6 * Copyright (C) 2009 Rob Buis (rwlbuis@gmail.com) |
7 * Copyright (C) 2011 Google Inc. All rights reserved. | 7 * Copyright (C) 2011 Google Inc. All rights reserved. |
8 * | 8 * |
9 * This library is free software; you can redistribute it and/or | 9 * This library is free software; you can redistribute it and/or |
10 * modify it under the terms of the GNU Library General Public | 10 * modify it under the terms of the GNU Library General Public |
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465 DEFINE_STATIC_LOCAL(EnumerationHistogram, restoredCachedStyleSheet2Histogram
, ("Blink.RestoredCachedStyleSheet2", StyleSheetCacheStatusCount)); | 465 DEFINE_STATIC_LOCAL(EnumerationHistogram, restoredCachedStyleSheet2Histogram
, ("Blink.RestoredCachedStyleSheet2", StyleSheetCacheStatusCount)); |
466 | 466 |
467 if (StyleSheetContents* restoredSheet = const_cast<CSSStyleSheetResource*>(c
achedStyleSheet)->restoreParsedStyleSheet(parserContext)) { | 467 if (StyleSheetContents* restoredSheet = const_cast<CSSStyleSheetResource*>(c
achedStyleSheet)->restoreParsedStyleSheet(parserContext)) { |
468 ASSERT(restoredSheet->isCacheableForResource()); | 468 ASSERT(restoredSheet->isCacheableForResource()); |
469 ASSERT(!restoredSheet->isLoading()); | 469 ASSERT(!restoredSheet->isLoading()); |
470 | 470 |
471 if (m_sheet) | 471 if (m_sheet) |
472 clearSheet(); | 472 clearSheet(); |
473 m_sheet = CSSStyleSheet::create(restoredSheet, m_owner); | 473 m_sheet = CSSStyleSheet::create(restoredSheet, m_owner); |
474 m_sheet->setMediaQueries(MediaQuerySet::create(m_owner->media())); | 474 m_sheet->setMediaQueries(MediaQuerySet::create(m_owner->media())); |
475 m_sheet->setTitle(m_owner->title()); | 475 if (m_owner->isInDocumentTree()) |
| 476 m_sheet->setTitle(m_owner->title()); |
476 setCrossOriginStylesheetStatus(m_sheet.get()); | 477 setCrossOriginStylesheetStatus(m_sheet.get()); |
477 | 478 |
478 m_loading = false; | 479 m_loading = false; |
479 restoredSheet->checkLoaded(); | 480 restoredSheet->checkLoaded(); |
480 | 481 |
481 restoredCachedStyleSheetHistogram.count(true); | 482 restoredCachedStyleSheetHistogram.count(true); |
482 restoredCachedStyleSheet2Histogram.count(StyleSheetInMemoryCache); | 483 restoredCachedStyleSheet2Histogram.count(StyleSheetInMemoryCache); |
483 return; | 484 return; |
484 } | 485 } |
485 restoredCachedStyleSheetHistogram.count(false); | 486 restoredCachedStyleSheetHistogram.count(false); |
486 StyleSheetCacheStatus cacheStatus = cachedStyleSheet->response().wasCached()
? StyleSheetInDiskCache : StyleSheetNewEntry; | 487 StyleSheetCacheStatus cacheStatus = cachedStyleSheet->response().wasCached()
? StyleSheetInDiskCache : StyleSheetNewEntry; |
487 restoredCachedStyleSheet2Histogram.count(cacheStatus); | 488 restoredCachedStyleSheet2Histogram.count(cacheStatus); |
488 | 489 |
489 StyleSheetContents* styleSheet = StyleSheetContents::create(href, parserCont
ext); | 490 StyleSheetContents* styleSheet = StyleSheetContents::create(href, parserCont
ext); |
490 | 491 |
491 if (m_sheet) | 492 if (m_sheet) |
492 clearSheet(); | 493 clearSheet(); |
493 | 494 |
494 m_sheet = CSSStyleSheet::create(styleSheet, m_owner); | 495 m_sheet = CSSStyleSheet::create(styleSheet, m_owner); |
495 m_sheet->setMediaQueries(MediaQuerySet::create(m_owner->media())); | 496 m_sheet->setMediaQueries(MediaQuerySet::create(m_owner->media())); |
496 m_sheet->setTitle(m_owner->title()); | 497 if (m_owner->isInDocumentTree()) |
| 498 m_sheet->setTitle(m_owner->title()); |
497 setCrossOriginStylesheetStatus(m_sheet.get()); | 499 setCrossOriginStylesheetStatus(m_sheet.get()); |
498 | 500 |
499 styleSheet->parseAuthorStyleSheet(cachedStyleSheet, m_owner->document().getS
ecurityOrigin()); | 501 styleSheet->parseAuthorStyleSheet(cachedStyleSheet, m_owner->document().getS
ecurityOrigin()); |
500 | 502 |
501 m_loading = false; | 503 m_loading = false; |
502 styleSheet->notifyLoadedSheet(cachedStyleSheet); | 504 styleSheet->notifyLoadedSheet(cachedStyleSheet); |
503 styleSheet->checkLoaded(); | 505 styleSheet->checkLoaded(); |
504 | 506 |
505 if (styleSheet->isCacheableForResource()) | 507 if (styleSheet->isCacheableForResource()) |
506 const_cast<CSSStyleSheetResource*>(cachedStyleSheet)->saveParsedStyleShe
et(styleSheet); | 508 const_cast<CSSStyleSheetResource*>(cachedStyleSheet)->saveParsedStyleShe
et(styleSheet); |
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702 } else if (m_sheet) { | 704 } else if (m_sheet) { |
703 // we no longer contain a stylesheet, e.g. perhaps rel or type was chang
ed | 705 // we no longer contain a stylesheet, e.g. perhaps rel or type was chang
ed |
704 StyleSheet* removedSheet = m_sheet.get(); | 706 StyleSheet* removedSheet = m_sheet.get(); |
705 clearSheet(); | 707 clearSheet(); |
706 document().styleEngine().setNeedsActiveStyleUpdate(removedSheet, FullSty
leUpdate); | 708 document().styleEngine().setNeedsActiveStyleUpdate(removedSheet, FullSty
leUpdate); |
707 } | 709 } |
708 } | 710 } |
709 | 711 |
710 void LinkStyle::setSheetTitle(const String& title) | 712 void LinkStyle::setSheetTitle(const String& title) |
711 { | 713 { |
712 if (m_sheet) | 714 if (m_sheet && m_owner->isInDocumentTree()) |
713 m_sheet->setTitle(title); | 715 m_sheet->setTitle(title); |
714 } | 716 } |
715 | 717 |
716 void LinkStyle::ownerRemoved() | 718 void LinkStyle::ownerRemoved() |
717 { | 719 { |
718 if (m_sheet) | 720 if (m_sheet) |
719 clearSheet(); | 721 clearSheet(); |
720 | 722 |
721 if (styleSheetIsLoading()) | 723 if (styleSheetIsLoading()) |
722 removePendingSheet(); | 724 removePendingSheet(); |
723 } | 725 } |
724 | 726 |
725 DEFINE_TRACE(LinkStyle) | 727 DEFINE_TRACE(LinkStyle) |
726 { | 728 { |
727 visitor->trace(m_sheet); | 729 visitor->trace(m_sheet); |
728 LinkResource::trace(visitor); | 730 LinkResource::trace(visitor); |
729 ResourceOwner<StyleSheetResource>::trace(visitor); | 731 ResourceOwner<StyleSheetResource>::trace(visitor); |
730 } | 732 } |
731 | 733 |
732 } // namespace blink | 734 } // namespace blink |
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