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| 1 /* | 1 /* | 
| 2  * Copyright (C) 2010, Google Inc. All rights reserved. | 2  * Copyright (C) 2010, 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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| 1109         return 0; | 1109         return 0; | 
| 1110     ASSERT(m_pageStyleSheet->length()); | 1110     ASSERT(m_pageStyleSheet->length()); | 
| 1111     unsigned lastRuleIndex = m_pageStyleSheet->length() - 1; | 1111     unsigned lastRuleIndex = m_pageStyleSheet->length() - 1; | 
| 1112     CSSRule* rule = m_pageStyleSheet->item(lastRuleIndex); | 1112     CSSRule* rule = m_pageStyleSheet->item(lastRuleIndex); | 
| 1113     ASSERT(rule); | 1113     ASSERT(rule); | 
| 1114 | 1114 | 
| 1115     CSSStyleRule* styleRule = InspectorCSSAgent::asCSSStyleRule(rule); | 1115     CSSStyleRule* styleRule = InspectorCSSAgent::asCSSStyleRule(rule); | 
| 1116     if (!styleRule) { | 1116     if (!styleRule) { | 
| 1117         // What we just added has to be a CSSStyleRule - we cannot handle other 
      types of rules yet. | 1117         // What we just added has to be a CSSStyleRule - we cannot handle other 
      types of rules yet. | 
| 1118         // If it is not a style rule, pretend we never touched the stylesheet. | 1118         // If it is not a style rule, pretend we never touched the stylesheet. | 
| 1119         m_pageStyleSheet->deleteRule(lastRuleIndex, ASSERT_NO_EXCEPTION_STATE); | 1119         m_pageStyleSheet->deleteRule(lastRuleIndex, ASSERT_NO_EXCEPTION); | 
| 1120         es.throwDOMException(SyntaxError); | 1120         es.throwDOMException(SyntaxError); | 
| 1121         return 0; | 1121         return 0; | 
| 1122     } | 1122     } | 
| 1123 | 1123 | 
| 1124     if (!styleSheetText.isEmpty()) | 1124     if (!styleSheetText.isEmpty()) | 
| 1125         styleSheetText.append('\n'); | 1125         styleSheetText.append('\n'); | 
| 1126 | 1126 | 
| 1127     styleSheetText.append(selector); | 1127     styleSheetText.append(selector); | 
| 1128     styleSheetText.appendLiteral(" {}"); | 1128     styleSheetText.appendLiteral(" {}"); | 
| 1129     // Using setText() as this operation changes the style sheet rule set. | 1129     // Using setText() as this operation changes the style sheet rule set. | 
| 1130     setText(styleSheetText.toString(), ASSERT_NO_EXCEPTION_STATE); | 1130     setText(styleSheetText.toString(), ASSERT_NO_EXCEPTION); | 
| 1131 | 1131 | 
| 1132     fireStyleSheetChanged(); | 1132     fireStyleSheetChanged(); | 
| 1133 | 1133 | 
| 1134     return styleRule; | 1134     return styleRule; | 
| 1135 } | 1135 } | 
| 1136 | 1136 | 
| 1137 bool InspectorStyleSheet::deleteRule(const InspectorCSSId& id, ExceptionState& e
      s) | 1137 bool InspectorStyleSheet::deleteRule(const InspectorCSSId& id, ExceptionState& e
      s) | 
| 1138 { | 1138 { | 
| 1139     if (!checkPageStyleSheet(es)) | 1139     if (!checkPageStyleSheet(es)) | 
| 1140         return false; | 1140         return false; | 
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| 1156     } | 1156     } | 
| 1157 | 1157 | 
| 1158     styleSheet->deleteRule(id.ordinal(), es); | 1158     styleSheet->deleteRule(id.ordinal(), es); | 
| 1159     // |rule| MAY NOT be addressed after this line! | 1159     // |rule| MAY NOT be addressed after this line! | 
| 1160 | 1160 | 
| 1161     if (es.hadException()) | 1161     if (es.hadException()) | 
| 1162         return false; | 1162         return false; | 
| 1163 | 1163 | 
| 1164     String sheetText = m_parsedStyleSheet->text(); | 1164     String sheetText = m_parsedStyleSheet->text(); | 
| 1165     sheetText.remove(sourceData->ruleHeaderRange.start, sourceData->ruleBodyRang
      e.end - sourceData->ruleHeaderRange.start + 1); | 1165     sheetText.remove(sourceData->ruleHeaderRange.start, sourceData->ruleBodyRang
      e.end - sourceData->ruleHeaderRange.start + 1); | 
| 1166     setText(sheetText, ASSERT_NO_EXCEPTION_STATE); | 1166     setText(sheetText, ASSERT_NO_EXCEPTION); | 
| 1167     fireStyleSheetChanged(); | 1167     fireStyleSheetChanged(); | 
| 1168     return true; | 1168     return true; | 
| 1169 } | 1169 } | 
| 1170 | 1170 | 
| 1171 CSSStyleRule* InspectorStyleSheet::ruleForId(const InspectorCSSId& id) const | 1171 CSSStyleRule* InspectorStyleSheet::ruleForId(const InspectorCSSId& id) const | 
| 1172 { | 1172 { | 
| 1173     if (!m_pageStyleSheet) | 1173     if (!m_pageStyleSheet) | 
| 1174         return 0; | 1174         return 0; | 
| 1175 | 1175 | 
| 1176     ASSERT(!id.isEmpty()); | 1176     ASSERT(!id.isEmpty()); | 
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| 1811 | 1811 | 
| 1812     RefPtr<MutableStylePropertySet> tempDeclaration = MutableStylePropertySet::c
      reate(); | 1812     RefPtr<MutableStylePropertySet> tempDeclaration = MutableStylePropertySet::c
      reate(); | 
| 1813     RuleSourceDataList ruleSourceDataResult; | 1813     RuleSourceDataList ruleSourceDataResult; | 
| 1814     StyleSheetHandler handler(m_styleText, m_element->document(), m_element->doc
      ument()->elementSheet()->contents(), &ruleSourceDataResult); | 1814     StyleSheetHandler handler(m_styleText, m_element->document(), m_element->doc
      ument()->elementSheet()->contents(), &ruleSourceDataResult); | 
| 1815     createCSSParser(m_element->document())->parseDeclaration(tempDeclaration.get
      (), m_styleText, &handler, m_element->document()->elementSheet()->contents()); | 1815     createCSSParser(m_element->document())->parseDeclaration(tempDeclaration.get
      (), m_styleText, &handler, m_element->document()->elementSheet()->contents()); | 
| 1816     return ruleSourceDataResult.first().release(); | 1816     return ruleSourceDataResult.first().release(); | 
| 1817 } | 1817 } | 
| 1818 | 1818 | 
| 1819 } // namespace WebCore | 1819 } // namespace WebCore | 
| 1820 | 1820 | 
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