bool StyleSheetContents::wrapperInsertRule(StyleRuleBase* rule, unsigned index) { ASSERT(m_isMutable); SECURITY_DCHECK(index <= ruleCount()); if (index < m_importRules.size() || (index == m_importRules.size() && rule->isImportRule())) { // Inserting non-import rule before @import is not allowed. if (!rule->isImportRule()) return false; StyleRuleImport* importRule = toStyleRuleImport(rule); if (importRule->mediaQueries()) setHasMediaQueries(); m_importRules.insert(index, importRule); m_importRules[index]->setParentStyleSheet(this); m_importRules[index]->requestStyleSheet(); // FIXME: Stylesheet doesn't actually change meaningfully before the // imported sheets are loaded. return true; } // Inserting @import rule after a non-import rule is not allowed. if (rule->isImportRule()) return false; index -= m_importRules.size(); if (index < m_namespaceRules.size() || (index == m_namespaceRules.size() && rule->isNamespaceRule())) { // Inserting non-namespace rules other than import rule before @namespace is // not allowed. if (!rule->isNamespaceRule()) return false; // Inserting @namespace rule when rules other than import/namespace/charset // are present is not allowed. if (!m_childRules.isEmpty()) return false; StyleRuleNamespace* namespaceRule = toStyleRuleNamespace(rule); m_namespaceRules.insert(index, namespaceRule); // For now to be compatible with IE and Firefox if namespace rule with same // prefix is added irrespective of adding the rule at any index, last added // rule's value is considered. // TODO ([email protected]): As per spec last valid rule should be // considered, which means if namespace rule is added in the middle of // existing namespace rules, rule which comes later in rule list with same // prefix needs to be considered. parserAddNamespace(namespaceRule->prefix(), namespaceRule->uri()); return true; } if (rule->isNamespaceRule()) return false; index -= m_namespaceRules.size(); m_childRules.insert(index, rule); return true; }
void StyleSheetContents::parserAppendRule(StyleRuleBase* rule) { if (rule->isImportRule()) { // Parser enforces that @import rules come before anything else ASSERT(m_childRules.isEmpty()); StyleRuleImport* importRule = toStyleRuleImport(rule); if (importRule->mediaQueries()) setHasMediaQueries(); m_importRules.append(importRule); m_importRules.last()->setParentStyleSheet(this); m_importRules.last()->requestStyleSheet(); return; } if (rule->isNamespaceRule()) { // Parser enforces that @namespace rules come before all rules other than // import/charset rules ASSERT(m_childRules.isEmpty()); StyleRuleNamespace& namespaceRule = toStyleRuleNamespace(*rule); parserAddNamespace(namespaceRule.prefix(), namespaceRule.uri()); m_namespaceRules.append(&namespaceRule); return; } m_childRules.append(rule); }
bool StyleSheetContents::wrapperInsertRule(PassRefPtrWillBeRawPtr<StyleRuleBase> rule, unsigned index) { ASSERT(m_isMutable); ASSERT_WITH_SECURITY_IMPLICATION(index <= ruleCount()); // Parser::parseRule doesn't currently allow @charset so we don't need to deal with it. ASSERT(!rule->isCharsetRule()); unsigned childVectorIndex = index; // m_childRules does not contain @charset which is always in index 0 if it exists. if (hasCharsetRule()) { if (childVectorIndex == 0) { // Nothing can be inserted before @charset. return false; } --childVectorIndex; } if (childVectorIndex < m_importRules.size() || (childVectorIndex == m_importRules.size() && rule->isImportRule())) { // Inserting non-import rule before @import is not allowed. if (!rule->isImportRule()) return false; StyleRuleImport* importRule = toStyleRuleImport(rule.get()); if (importRule->mediaQueries()) setHasMediaQueries(); m_importRules.insert(childVectorIndex, importRule); m_importRules[childVectorIndex]->setParentStyleSheet(this); m_importRules[childVectorIndex]->requestStyleSheet(); // FIXME: Stylesheet doesn't actually change meaningfully before the imported sheets are loaded. return true; } // Inserting @import rule after a non-import rule is not allowed. if (rule->isImportRule()) return false; if (rule->isMediaRule()) setHasMediaQueries(); childVectorIndex -= m_importRules.size(); if (rule->isFontFaceRule()) setHasFontFaceRule(true); m_childRules.insert(childVectorIndex, rule); return true; }
void StyleSheetContents::parserAppendRule(PassRefPtrWillBeRawPtr<StyleRuleBase> rule) { ASSERT(!rule->isCharsetRule()); if (rule->isImportRule()) { // Parser enforces that @import rules come before anything else except @charset. ASSERT(m_childRules.isEmpty()); StyleRuleImport* importRule = toStyleRuleImport(rule.get()); if (importRule->mediaQueries()) setHasMediaQueries(); m_importRules.append(importRule); m_importRules.last()->setParentStyleSheet(this); m_importRules.last()->requestStyleSheet(); return; } // Add warning message to inspector if dpi/dpcm values are used for screen media. if (rule->isMediaRule()) { setHasMediaQueries(); reportMediaQueryWarningIfNeeded(singleOwnerDocument(), toStyleRuleMedia(rule.get())->mediaQueries()); } m_childRules.append(rule); }