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1 /* | 1 /* |
2 * (C) 1999-2003 Lars Knoll (knoll@kde.org) | 2 * (C) 1999-2003 Lars Knoll (knoll@kde.org) |
3 * Copyright (C) 2004, 2006, 2007, 2012 Apple Inc. All rights reserved. | 3 * Copyright (C) 2004, 2006, 2007, 2012 Apple Inc. All rights reserved. |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
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38 | 38 |
39 namespace WebCore { | 39 namespace WebCore { |
40 | 40 |
41 // Rough size estimate for the memory cache. | 41 // Rough size estimate for the memory cache. |
42 unsigned StyleSheetContents::estimatedSizeInBytes() const | 42 unsigned StyleSheetContents::estimatedSizeInBytes() const |
43 { | 43 { |
44 // Note that this does not take into account size of the strings hanging fro
m various objects. | 44 // Note that this does not take into account size of the strings hanging fro
m various objects. |
45 // The assumption is that nearly all of of them are atomic and would exist a
nyway. | 45 // The assumption is that nearly all of of them are atomic and would exist a
nyway. |
46 unsigned size = sizeof(*this); | 46 unsigned size = sizeof(*this); |
47 | 47 |
48 // FIXME: This ignores the children of media and region rules. | 48 // FIXME: This ignores the children of media rules. |
49 // Most rules are StyleRules. | 49 // Most rules are StyleRules. |
50 size += ruleCount() * StyleRule::averageSizeInBytes(); | 50 size += ruleCount() * StyleRule::averageSizeInBytes(); |
51 | 51 |
52 for (unsigned i = 0; i < m_importRules.size(); ++i) { | 52 for (unsigned i = 0; i < m_importRules.size(); ++i) { |
53 if (StyleSheetContents* sheet = m_importRules[i]->styleSheet()) | 53 if (StyleSheetContents* sheet = m_importRules[i]->styleSheet()) |
54 size += sheet->estimatedSizeInBytes(); | 54 size += sheet->estimatedSizeInBytes(); |
55 } | 55 } |
56 return size; | 56 return size; |
57 } | 57 } |
58 | 58 |
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471 return true; | 471 return true; |
472 break; | 472 break; |
473 case StyleRuleBase::FontFace: | 473 case StyleRuleBase::FontFace: |
474 if (toStyleRuleFontFace(rule)->properties()->hasFailedOrCanceledSubr
esources()) | 474 if (toStyleRuleFontFace(rule)->properties()->hasFailedOrCanceledSubr
esources()) |
475 return true; | 475 return true; |
476 break; | 476 break; |
477 case StyleRuleBase::Media: | 477 case StyleRuleBase::Media: |
478 if (childRulesHaveFailedOrCanceledSubresources(toStyleRuleMedia(rule
)->childRules())) | 478 if (childRulesHaveFailedOrCanceledSubresources(toStyleRuleMedia(rule
)->childRules())) |
479 return true; | 479 return true; |
480 break; | 480 break; |
481 case StyleRuleBase::Region: | |
482 if (childRulesHaveFailedOrCanceledSubresources(toStyleRuleRegion(rul
e)->childRules())) | |
483 return true; | |
484 break; | |
485 case StyleRuleBase::Import: | 481 case StyleRuleBase::Import: |
486 ASSERT_NOT_REACHED(); | 482 ASSERT_NOT_REACHED(); |
487 case StyleRuleBase::Page: | 483 case StyleRuleBase::Page: |
488 case StyleRuleBase::Keyframes: | 484 case StyleRuleBase::Keyframes: |
489 case StyleRuleBase::Unknown: | 485 case StyleRuleBase::Unknown: |
490 case StyleRuleBase::Charset: | 486 case StyleRuleBase::Charset: |
491 case StyleRuleBase::Keyframe: | 487 case StyleRuleBase::Keyframe: |
492 case StyleRuleBase::Supports: | 488 case StyleRuleBase::Supports: |
493 case StyleRuleBase::Viewport: | 489 case StyleRuleBase::Viewport: |
494 case StyleRuleBase::Filter: | 490 case StyleRuleBase::Filter: |
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566 // See the StyleResolver calls in ScopedStyleResolver::addRulesFromSheet. | 562 // See the StyleResolver calls in ScopedStyleResolver::addRulesFromSheet. |
567 for (size_t i = 0; i < m_clients.size(); ++i) { | 563 for (size_t i = 0; i < m_clients.size(); ++i) { |
568 if (Document* document = m_clients[i]->ownerDocument()) | 564 if (Document* document = m_clients[i]->ownerDocument()) |
569 document->styleEngine()->clearResolver(); | 565 document->styleEngine()->clearResolver(); |
570 } | 566 } |
571 m_ruleSet.clear(); | 567 m_ruleSet.clear(); |
572 } | 568 } |
573 | 569 |
574 | 570 |
575 } | 571 } |
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