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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, |
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 * Library General Public License for more details. | 13 * Library General Public License for more details. |
14 * | 14 * |
15 * You should have received a copy of the GNU Library General Public License | 15 * You should have received a copy of the GNU Library General Public License |
16 * along with this library; see the file COPYING.LIB. If not, write to | 16 * along with this library; see the file COPYING.LIB. If not, write to |
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
18 * Boston, MA 02110-1301, USA. | 18 * Boston, MA 02110-1301, USA. |
19 */ | 19 */ |
20 | 20 |
21 #include "config.h" | 21 #include "config.h" |
22 #include "core/css/StyleSheetContents.h" | 22 #include "core/css/StyleSheetContents.h" |
23 | 23 |
24 #include "core/css/parser/BisonCSSParser.h" | 24 #include "core/css/parser/BisonCSSParser.h" |
25 #include "core/css/CSSStyleSheet.h" | 25 #include "core/css/CSSStyleSheet.h" |
26 #include "core/css/MediaList.h" | 26 #include "core/css/MediaList.h" |
27 #include "core/css/StylePropertySet.h" | 27 #include "core/css/StylePropertySet.h" |
28 #include "core/css/StyleRule.h" | 28 #include "core/css/StyleRule.h" |
29 #include "core/css/StyleRuleImport.h" | 29 #include "core/css/StyleRuleImport.h" |
30 #include "core/dom/Document.h" | 30 #include "core/css/resolver/StyleResolver.h" |
31 #include "core/dom/Node.h" | 31 #include "core/dom/Node.h" |
32 #include "core/dom/StyleEngine.h" | 32 #include "core/dom/StyleEngine.h" |
33 #include "core/fetch/CSSStyleSheetResource.h" | 33 #include "core/fetch/CSSStyleSheetResource.h" |
34 #include "core/frame/UseCounter.h" | 34 #include "core/frame/UseCounter.h" |
35 #include "platform/TraceEvent.h" | 35 #include "platform/TraceEvent.h" |
36 #include "platform/weborigin/SecurityOrigin.h" | 36 #include "platform/weborigin/SecurityOrigin.h" |
37 #include "wtf/Deque.h" | 37 #include "wtf/Deque.h" |
38 | 38 |
39 namespace WebCore { | 39 namespace WebCore { |
40 | 40 |
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258 } | 258 } |
259 // Inserting @import rule after a non-import rule is not allowed. | 259 // Inserting @import rule after a non-import rule is not allowed. |
260 if (rule->isImportRule()) | 260 if (rule->isImportRule()) |
261 return false; | 261 return false; |
262 | 262 |
263 if (rule->isMediaRule()) | 263 if (rule->isMediaRule()) |
264 setHasMediaQueries(); | 264 setHasMediaQueries(); |
265 | 265 |
266 childVectorIndex -= m_importRules.size(); | 266 childVectorIndex -= m_importRules.size(); |
267 | 267 |
268 if (rule->isFontFaceRule()) | |
269 setHasFontFaceRule(true); | |
270 m_childRules.insert(childVectorIndex, rule); | 268 m_childRules.insert(childVectorIndex, rule); |
271 return true; | 269 return true; |
272 } | 270 } |
273 | 271 |
274 void StyleSheetContents::wrapperDeleteRule(unsigned index) | 272 void StyleSheetContents::wrapperDeleteRule(unsigned index) |
275 { | 273 { |
276 ASSERT(m_isMutable); | 274 ASSERT(m_isMutable); |
277 ASSERT_WITH_SECURITY_IMPLICATION(index < ruleCount()); | 275 ASSERT_WITH_SECURITY_IMPLICATION(index < ruleCount()); |
278 | 276 |
279 unsigned childVectorIndex = index; | 277 unsigned childVectorIndex = index; |
280 if (hasCharsetRule()) { | 278 if (hasCharsetRule()) { |
281 if (childVectorIndex == 0) { | 279 if (childVectorIndex == 0) { |
282 clearCharsetRule(); | 280 clearCharsetRule(); |
283 return; | 281 return; |
284 } | 282 } |
285 --childVectorIndex; | 283 --childVectorIndex; |
286 } | 284 } |
287 if (childVectorIndex < m_importRules.size()) { | 285 if (childVectorIndex < m_importRules.size()) { |
288 m_importRules[childVectorIndex]->clearParentStyleSheet(); | 286 m_importRules[childVectorIndex]->clearParentStyleSheet(); |
289 if (m_importRules[childVectorIndex]->isFontFaceRule()) | |
290 notifyRemoveFontFaceRule(toStyleRuleFontFace(m_importRules[childVect
orIndex].get())); | |
291 m_importRules.remove(childVectorIndex); | 287 m_importRules.remove(childVectorIndex); |
292 return; | 288 return; |
293 } | 289 } |
294 childVectorIndex -= m_importRules.size(); | 290 childVectorIndex -= m_importRules.size(); |
295 | 291 |
296 if (m_childRules[childVectorIndex]->isFontFaceRule()) | |
297 notifyRemoveFontFaceRule(toStyleRuleFontFace(m_childRules[childVectorInd
ex].get())); | |
298 m_childRules.remove(childVectorIndex); | 292 m_childRules.remove(childVectorIndex); |
299 } | 293 } |
300 | 294 |
301 void StyleSheetContents::parserAddNamespace(const AtomicString& prefix, const At
omicString& uri) | 295 void StyleSheetContents::parserAddNamespace(const AtomicString& prefix, const At
omicString& uri) |
302 { | 296 { |
303 if (uri.isNull() || prefix.isNull()) | 297 if (uri.isNull() || prefix.isNull()) |
304 return; | 298 return; |
305 PrefixNamespaceURIMap::AddResult result = m_namespaces.add(prefix, uri); | 299 PrefixNamespaceURIMap::AddResult result = m_namespaces.add(prefix, uri); |
306 if (result.isNewEntry) | 300 if (result.isNewEntry) |
307 return; | 301 return; |
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572 | 566 |
573 // Clearing the ruleSet means we need to recreate the styleResolver data str
uctures. | 567 // Clearing the ruleSet means we need to recreate the styleResolver data str
uctures. |
574 // See the StyleResolver calls in ScopedStyleResolver::addRulesFromSheet. | 568 // See the StyleResolver calls in ScopedStyleResolver::addRulesFromSheet. |
575 for (size_t i = 0; i < m_clients.size(); ++i) { | 569 for (size_t i = 0; i < m_clients.size(); ++i) { |
576 if (Document* document = m_clients[i]->ownerDocument()) | 570 if (Document* document = m_clients[i]->ownerDocument()) |
577 document->styleEngine()->clearResolver(); | 571 document->styleEngine()->clearResolver(); |
578 } | 572 } |
579 m_ruleSet.clear(); | 573 m_ruleSet.clear(); |
580 } | 574 } |
581 | 575 |
582 void StyleSheetContents::notifyRemoveFontFaceRule(const StyleRuleFontFace* fontF
aceRule) | |
583 { | |
584 StyleSheetContents* root = rootStyleSheet(); | |
585 if (root->m_clients.isEmpty()) | |
586 return; | |
587 | |
588 for (unsigned i = 0; i < root->m_clients.size(); ++i) { | |
589 if (Node* ownerNode = root->m_clients[0]->ownerNode()) | |
590 ownerNode->document().styleEngine()->removeFontFaceRules(Vector<cons
t StyleRuleFontFace*>(1, fontFaceRule)); | |
591 } | |
592 } | |
593 | |
594 static void findFontFaceRulesFromRules(const Vector<RefPtr<StyleRuleBase> >& rul
es, Vector<const StyleRuleFontFace*>& fontFaceRules) | |
595 { | |
596 for (unsigned i = 0; i < rules.size(); ++i) { | |
597 StyleRuleBase* rule = rules[i].get(); | |
598 | |
599 if (rule->isFontFaceRule()) { | |
600 fontFaceRules.append(toStyleRuleFontFace(rule)); | |
601 } else if (rule->isMediaRule()) { | |
602 StyleRuleMedia* mediaRule = static_cast<StyleRuleMedia*>(rule); | |
603 // We cannot know whether the media rule matches or not, but | |
604 // for safety, remove @font-face in the media rule (if exists). | |
605 findFontFaceRulesFromRules(mediaRule->childRules(), fontFaceRules); | |
606 } | |
607 } | |
608 } | |
609 | |
610 void StyleSheetContents::findFontFaceRules(Vector<const StyleRuleFontFace*>& fon
tFaceRules) | |
611 { | |
612 for (unsigned i = 0; i < m_importRules.size(); ++i) { | |
613 if (!m_importRules[i]->styleSheet()) | |
614 continue; | |
615 m_importRules[i]->styleSheet()->findFontFaceRules(fontFaceRules); | |
616 } | |
617 | |
618 findFontFaceRulesFromRules(childRules(), fontFaceRules); | |
619 } | |
620 | 576 |
621 } | 577 } |
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