| /* |
| * Copyright (C) 2010, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "core/inspector/InspectorStyleSheet.h" |
| |
| #include "CSSPropertyNames.h" |
| #include "HTMLNames.h" |
| #include "SVGNames.h" |
| #include "bindings/v8/ExceptionState.h" |
| #include "bindings/v8/ExceptionStatePlaceholder.h" |
| #include "core/css/CSSHostRule.h" |
| #include "core/css/CSSKeyframesRule.h" |
| #include "core/css/CSSMediaRule.h" |
| #include "core/css/CSSParser.h" |
| #include "core/css/CSSPropertySourceData.h" |
| #include "core/css/CSSRule.h" |
| #include "core/css/CSSRuleList.h" |
| #include "core/css/CSSStyleRule.h" |
| #include "core/css/CSSStyleSheet.h" |
| #include "core/css/CSSSupportsRule.h" |
| #include "core/css/StylePropertySet.h" |
| #include "core/css/StyleRule.h" |
| #include "core/css/StyleSheetContents.h" |
| #include "core/dom/Document.h" |
| #include "core/dom/Element.h" |
| #include "core/dom/Node.h" |
| #include "core/html/parser/HTMLParserIdioms.h" |
| #include "core/inspector/ContentSearchUtils.h" |
| #include "core/inspector/InspectorCSSAgent.h" |
| #include "core/inspector/InspectorPageAgent.h" |
| #include "core/inspector/InspectorResourceAgent.h" |
| #include "core/page/Page.h" |
| #include "core/page/PageConsole.h" |
| #include "core/platform/text/RegularExpression.h" |
| #include "platform/JSONValues.h" |
| #include "wtf/OwnPtr.h" |
| #include "wtf/PassOwnPtr.h" |
| #include "wtf/Vector.h" |
| #include "wtf/text/StringBuilder.h" |
| #include "wtf/text/TextPosition.h" |
| |
| using WebCore::TypeBuilder::Array; |
| using WebCore::RuleSourceDataList; |
| using WebCore::CSSRuleSourceData; |
| |
| class ParsedStyleSheet { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| ParsedStyleSheet(); |
| |
| const String& text() const { ASSERT(m_hasText); return m_text; } |
| void setText(const String& text); |
| bool hasText() const { return m_hasText; } |
| void setSourceData(PassOwnPtr<RuleSourceDataList>); |
| bool hasSourceData() const { return m_sourceData; } |
| PassRefPtr<WebCore::CSSRuleSourceData> ruleSourceDataAt(unsigned) const; |
| |
| private: |
| void flattenSourceData(RuleSourceDataList*); |
| |
| String m_text; |
| bool m_hasText; |
| OwnPtr<RuleSourceDataList> m_sourceData; |
| }; |
| |
| ParsedStyleSheet::ParsedStyleSheet() |
| : m_hasText(false) |
| { |
| } |
| |
| void ParsedStyleSheet::setText(const String& text) |
| { |
| m_hasText = true; |
| m_text = text; |
| setSourceData(nullptr); |
| } |
| |
| void ParsedStyleSheet::flattenSourceData(RuleSourceDataList* dataList) |
| { |
| for (size_t i = 0; i < dataList->size(); ++i) { |
| RefPtr<CSSRuleSourceData>& data = dataList->at(i); |
| if (data->type == CSSRuleSourceData::STYLE_RULE) { |
| m_sourceData->append(data); |
| } else if (data->type == CSSRuleSourceData::IMPORT_RULE) { |
| m_sourceData->append(data); |
| } else if (data->type == CSSRuleSourceData::MEDIA_RULE) { |
| m_sourceData->append(data); |
| flattenSourceData(&data->childRules); |
| } else if (data->type == CSSRuleSourceData::HOST_RULE) { |
| flattenSourceData(&data->childRules); |
| } else if (data->type == CSSRuleSourceData::SUPPORTS_RULE) { |
| flattenSourceData(&data->childRules); |
| } |
| } |
| } |
| |
| void ParsedStyleSheet::setSourceData(PassOwnPtr<RuleSourceDataList> sourceData) |
| { |
| if (!sourceData) { |
| m_sourceData.clear(); |
| return; |
| } |
| |
| m_sourceData = adoptPtr(new RuleSourceDataList()); |
| |
| // FIXME: This is a temporary solution to retain the original flat sourceData structure |
| // containing only style rules, even though CSSParser now provides the full rule source data tree. |
| // Normally, we should just assign m_sourceData = sourceData; |
| flattenSourceData(sourceData.get()); |
| } |
| |
| PassRefPtr<WebCore::CSSRuleSourceData> ParsedStyleSheet::ruleSourceDataAt(unsigned index) const |
| { |
| if (!hasSourceData() || index >= m_sourceData->size()) |
| return 0; |
| |
| return m_sourceData->at(index); |
| } |
| |
| namespace WebCore { |
| |
| static PassOwnPtr<CSSParser> createCSSParser(Document* document) |
| { |
| UseCounter* counter = 0; |
| return adoptPtr(new CSSParser(document ? CSSParserContext(*document) : strictCSSParserContext(), counter)); |
| } |
| |
| namespace { |
| |
| class StyleSheetHandler : public CSSParser::SourceDataHandler { |
| public: |
| StyleSheetHandler(const String& parsedText, Document* document, StyleSheetContents* styleSheetContents, RuleSourceDataList* result) |
| : m_parsedText(parsedText) |
| , m_document(document) |
| , m_styleSheetContents(styleSheetContents) |
| , m_result(result) |
| , m_propertyRangeStart(UINT_MAX) |
| , m_selectorRangeStart(UINT_MAX) |
| , m_commentRangeStart(UINT_MAX) |
| { |
| ASSERT(m_result); |
| } |
| |
| private: |
| virtual void startRuleHeader(CSSRuleSourceData::Type, unsigned) OVERRIDE; |
| virtual void endRuleHeader(unsigned) OVERRIDE; |
| virtual void startSelector(unsigned) OVERRIDE; |
| virtual void endSelector(unsigned) OVERRIDE; |
| virtual void startRuleBody(unsigned) OVERRIDE; |
| virtual void endRuleBody(unsigned, bool) OVERRIDE; |
| virtual void startEndUnknownRule() OVERRIDE { addNewRuleToSourceTree(CSSRuleSourceData::createUnknown()); } |
| virtual void startProperty(unsigned) OVERRIDE; |
| virtual void endProperty(bool, bool, unsigned, CSSParser::ErrorType) OVERRIDE; |
| virtual void startComment(unsigned) OVERRIDE; |
| virtual void endComment(unsigned) OVERRIDE; |
| |
| void addNewRuleToSourceTree(PassRefPtr<CSSRuleSourceData>); |
| PassRefPtr<CSSRuleSourceData> popRuleData(); |
| template <typename CharacterType> inline void setRuleHeaderEnd(const CharacterType*, unsigned); |
| void fixUnparsedPropertyRanges(CSSRuleSourceData*); |
| |
| const String& m_parsedText; |
| Document* m_document; |
| StyleSheetContents* m_styleSheetContents; |
| RuleSourceDataList* m_result; |
| RuleSourceDataList m_currentRuleDataStack; |
| RefPtr<CSSRuleSourceData> m_currentRuleData; |
| OwnPtr<CSSParser> m_commentParser; |
| unsigned m_propertyRangeStart; |
| unsigned m_selectorRangeStart; |
| unsigned m_commentRangeStart; |
| }; |
| |
| void StyleSheetHandler::startRuleHeader(CSSRuleSourceData::Type type, unsigned offset) |
| { |
| // Pop off data for a previous invalid rule. |
| if (m_currentRuleData) |
| m_currentRuleDataStack.removeLast(); |
| |
| RefPtr<CSSRuleSourceData> data = CSSRuleSourceData::create(type); |
| data->ruleHeaderRange.start = offset; |
| m_currentRuleData = data; |
| m_currentRuleDataStack.append(data.release()); |
| } |
| |
| template <typename CharacterType> |
| inline void StyleSheetHandler::setRuleHeaderEnd(const CharacterType* dataStart, unsigned listEndOffset) |
| { |
| while (listEndOffset > 1) { |
| if (isHTMLSpace<CharacterType>(*(dataStart + listEndOffset - 1))) |
| --listEndOffset; |
| else |
| break; |
| } |
| |
| m_currentRuleDataStack.last()->ruleHeaderRange.end = listEndOffset; |
| } |
| |
| void StyleSheetHandler::endRuleHeader(unsigned offset) |
| { |
| ASSERT(!m_currentRuleDataStack.isEmpty()); |
| |
| if (m_parsedText.is8Bit()) |
| setRuleHeaderEnd<LChar>(m_parsedText.characters8(), offset); |
| else |
| setRuleHeaderEnd<UChar>(m_parsedText.characters16(), offset); |
| } |
| |
| void StyleSheetHandler::startSelector(unsigned offset) |
| { |
| m_selectorRangeStart = offset; |
| } |
| |
| void StyleSheetHandler::endSelector(unsigned offset) |
| { |
| ASSERT(m_currentRuleDataStack.size()); |
| m_currentRuleDataStack.last()->selectorRanges.append(SourceRange(m_selectorRangeStart, offset)); |
| m_selectorRangeStart = UINT_MAX; |
| } |
| |
| void StyleSheetHandler::startRuleBody(unsigned offset) |
| { |
| m_currentRuleData.clear(); |
| ASSERT(!m_currentRuleDataStack.isEmpty()); |
| if (m_parsedText[offset] == '{') |
| ++offset; // Skip the rule body opening brace. |
| m_currentRuleDataStack.last()->ruleBodyRange.start = offset; |
| } |
| |
| void StyleSheetHandler::endRuleBody(unsigned offset, bool error) |
| { |
| ASSERT(!m_currentRuleDataStack.isEmpty()); |
| m_currentRuleDataStack.last()->ruleBodyRange.end = offset; |
| m_propertyRangeStart = UINT_MAX; |
| RefPtr<CSSRuleSourceData> rule = popRuleData(); |
| if (error) |
| return; |
| |
| fixUnparsedPropertyRanges(rule.get()); |
| addNewRuleToSourceTree(rule.release()); |
| } |
| |
| void StyleSheetHandler::addNewRuleToSourceTree(PassRefPtr<CSSRuleSourceData> rule) |
| { |
| if (m_currentRuleDataStack.isEmpty()) |
| m_result->append(rule); |
| else |
| m_currentRuleDataStack.last()->childRules.append(rule); |
| } |
| |
| PassRefPtr<CSSRuleSourceData> StyleSheetHandler::popRuleData() |
| { |
| ASSERT(!m_currentRuleDataStack.isEmpty()); |
| m_currentRuleData.clear(); |
| RefPtr<CSSRuleSourceData> data = m_currentRuleDataStack.last(); |
| m_currentRuleDataStack.removeLast(); |
| return data.release(); |
| } |
| |
| template <typename CharacterType> |
| static inline void fixUnparsedProperties(const CharacterType* characters, CSSRuleSourceData* ruleData) |
| { |
| Vector<CSSPropertySourceData>& propertyData = ruleData->styleSourceData->propertyData; |
| unsigned size = propertyData.size(); |
| if (!size) |
| return; |
| |
| unsigned styleStart = ruleData->ruleBodyRange.start; |
| CSSPropertySourceData* nextData = &(propertyData.at(0)); |
| for (unsigned i = 0; i < size; ++i) { |
| CSSPropertySourceData* currentData = nextData; |
| nextData = i < size - 1 ? &(propertyData.at(i + 1)) : 0; |
| |
| if (currentData->parsedOk) |
| continue; |
| if (currentData->range.end > 0 && characters[styleStart + currentData->range.end - 1] == ';') |
| continue; |
| |
| unsigned propertyEndInStyleSheet; |
| if (!nextData) |
| propertyEndInStyleSheet = ruleData->ruleBodyRange.end - 1; |
| else |
| propertyEndInStyleSheet = styleStart + nextData->range.start - 1; |
| |
| while (isHTMLSpace<CharacterType>(characters[propertyEndInStyleSheet])) |
| --propertyEndInStyleSheet; |
| |
| // propertyEndInStyleSheet points at the last property text character. |
| unsigned newPropertyEnd = propertyEndInStyleSheet - styleStart + 1; // Exclusive of the last property text character. |
| if (currentData->range.end != newPropertyEnd) { |
| currentData->range.end = newPropertyEnd; |
| unsigned valueStartInStyleSheet = styleStart + currentData->range.start + currentData->name.length(); |
| while (valueStartInStyleSheet < propertyEndInStyleSheet && characters[valueStartInStyleSheet] != ':') |
| ++valueStartInStyleSheet; |
| if (valueStartInStyleSheet < propertyEndInStyleSheet) |
| ++valueStartInStyleSheet; // Shift past the ':'. |
| while (valueStartInStyleSheet < propertyEndInStyleSheet && isHTMLSpace<CharacterType>(characters[valueStartInStyleSheet])) |
| ++valueStartInStyleSheet; |
| // Need to exclude the trailing ';' from the property value. |
| currentData->value = String(characters + valueStartInStyleSheet, propertyEndInStyleSheet - valueStartInStyleSheet + (characters[propertyEndInStyleSheet] == ';' ? 0 : 1)); |
| } |
| } |
| } |
| |
| void StyleSheetHandler::fixUnparsedPropertyRanges(CSSRuleSourceData* ruleData) |
| { |
| if (!ruleData->styleSourceData) |
| return; |
| |
| if (m_parsedText.is8Bit()) { |
| fixUnparsedProperties<LChar>(m_parsedText.characters8(), ruleData); |
| return; |
| } |
| |
| fixUnparsedProperties<UChar>(m_parsedText.characters16(), ruleData); |
| } |
| |
| void StyleSheetHandler::startProperty(unsigned offset) |
| { |
| if (m_currentRuleDataStack.isEmpty() || !m_currentRuleDataStack.last()->styleSourceData) |
| return; |
| m_propertyRangeStart = offset; |
| } |
| |
| void StyleSheetHandler::endProperty(bool isImportant, bool isParsed, unsigned offset, CSSParser::ErrorType errorType) |
| { |
| if (errorType != CSSParser::NoError) |
| m_propertyRangeStart = UINT_MAX; |
| |
| if (m_propertyRangeStart == UINT_MAX || m_currentRuleDataStack.isEmpty() || !m_currentRuleDataStack.last()->styleSourceData) |
| return; |
| |
| ASSERT(offset <= m_parsedText.length()); |
| if (offset < m_parsedText.length() && m_parsedText[offset] == ';') // Include semicolon into the property text. |
| ++offset; |
| |
| const unsigned start = m_propertyRangeStart; |
| const unsigned end = offset; |
| ASSERT(start < end); |
| String propertyString = m_parsedText.substring(start, end - start).stripWhiteSpace(); |
| if (propertyString.endsWith(';')) |
| propertyString = propertyString.left(propertyString.length() - 1); |
| size_t colonIndex = propertyString.find(':'); |
| ASSERT(colonIndex != kNotFound); |
| |
| String name = propertyString.left(colonIndex).stripWhiteSpace(); |
| String value = propertyString.substring(colonIndex + 1, propertyString.length()).stripWhiteSpace(); |
| // The property range is relative to the declaration start offset. |
| unsigned topRuleBodyRangeStart = m_currentRuleDataStack.last()->ruleBodyRange.start; |
| m_currentRuleDataStack.last()->styleSourceData->propertyData.append( |
| CSSPropertySourceData(name, value, isImportant, false, isParsed, SourceRange(start - topRuleBodyRangeStart, end - topRuleBodyRangeStart))); |
| m_propertyRangeStart = UINT_MAX; |
| } |
| |
| void StyleSheetHandler::startComment(unsigned offset) |
| { |
| ASSERT(m_commentRangeStart == UINT_MAX); |
| m_commentRangeStart = offset; |
| } |
| |
| void StyleSheetHandler::endComment(unsigned offset) |
| { |
| ASSERT(offset <= m_parsedText.length()); |
| |
| unsigned startOffset = m_commentRangeStart; |
| m_commentRangeStart = UINT_MAX; |
| if (m_propertyRangeStart != UINT_MAX) { |
| ASSERT(startOffset >= m_propertyRangeStart); |
| // startProperty() is called automatically at the start of a style declaration. |
| // Check if no text has been scanned yet, otherwise the comment is inside a property. |
| if (!m_parsedText.substring(m_propertyRangeStart, startOffset).stripWhiteSpace().isEmpty()) |
| return; |
| m_propertyRangeStart = UINT_MAX; |
| } |
| if (m_currentRuleDataStack.isEmpty() || !m_currentRuleDataStack.last()->ruleHeaderRange.end || !m_currentRuleDataStack.last()->styleSourceData) |
| return; |
| |
| // The lexer is not inside a property AND it is scanning a declaration-aware rule body. |
| String commentText = m_parsedText.substring(startOffset, offset - startOffset); |
| |
| ASSERT(commentText.startsWith("/*")); |
| commentText = commentText.substring(2); |
| |
| // Require well-formed comments. |
| if (!commentText.endsWith("*/")) |
| return; |
| commentText = commentText.substring(0, commentText.length() - 2).stripWhiteSpace(); |
| if (commentText.isEmpty()) |
| return; |
| |
| // FIXME: Use the actual rule type rather than STYLE_RULE? |
| if (!m_commentParser) |
| m_commentParser = createCSSParser(m_document); |
| RuleSourceDataList sourceData; |
| |
| // FIXME: Use another subclass of CSSParser::SourceDataHandler and assert that |
| // no comments are encountered (will not need m_document and m_styleSheetContents). |
| StyleSheetHandler handler(commentText, m_document, m_styleSheetContents, &sourceData); |
| RefPtr<MutableStylePropertySet> tempMutableStyle = MutableStylePropertySet::create(); |
| m_commentParser->parseDeclaration(tempMutableStyle.get(), commentText, &handler, m_styleSheetContents); |
| Vector<CSSPropertySourceData>& commentPropertyData = sourceData.first()->styleSourceData->propertyData; |
| if (commentPropertyData.size() != 1) |
| return; |
| CSSPropertySourceData& propertyData = commentPropertyData.at(0); |
| if (propertyData.range.length() != commentText.length()) |
| return; |
| |
| unsigned topRuleBodyRangeStart = m_currentRuleDataStack.last()->ruleBodyRange.start; |
| m_currentRuleDataStack.last()->styleSourceData->propertyData.append( |
| CSSPropertySourceData(propertyData.name, propertyData.value, false, true, true, SourceRange(startOffset - topRuleBodyRangeStart, offset - topRuleBodyRangeStart))); |
| } |
| |
| } // namespace |
| |
| enum MediaListSource { |
| MediaListSourceLinkedSheet, |
| MediaListSourceInlineSheet, |
| MediaListSourceMediaRule, |
| MediaListSourceImportRule |
| }; |
| |
| static PassRefPtr<TypeBuilder::CSS::SourceRange> buildSourceRangeObject(const SourceRange& range, Vector<unsigned>* lineEndings) |
| { |
| if (!lineEndings) |
| return 0; |
| TextPosition start = TextPosition::fromOffsetAndLineEndings(range.start, *lineEndings); |
| TextPosition end = TextPosition::fromOffsetAndLineEndings(range.end, *lineEndings); |
| |
| RefPtr<TypeBuilder::CSS::SourceRange> result = TypeBuilder::CSS::SourceRange::create() |
| .setStartLine(start.m_line.zeroBasedInt()) |
| .setStartColumn(start.m_column.zeroBasedInt()) |
| .setEndLine(end.m_line.zeroBasedInt()) |
| .setEndColumn(end.m_column.zeroBasedInt()); |
| return result.release(); |
| } |
| |
| static PassRefPtr<CSSRuleList> asCSSRuleList(CSSStyleSheet* styleSheet) |
| { |
| if (!styleSheet) |
| return 0; |
| |
| RefPtr<StaticCSSRuleList> list = StaticCSSRuleList::create(); |
| Vector<RefPtr<CSSRule> >& listRules = list->rules(); |
| for (unsigned i = 0, size = styleSheet->length(); i < size; ++i) { |
| CSSRule* item = styleSheet->item(i); |
| if (item->type() == CSSRule::CHARSET_RULE) |
| continue; |
| listRules.append(item); |
| } |
| return list.release(); |
| } |
| |
| static PassRefPtr<CSSRuleList> asCSSRuleList(CSSRule* rule) |
| { |
| if (!rule) |
| return 0; |
| |
| if (rule->type() == CSSRule::MEDIA_RULE) |
| return static_cast<CSSMediaRule*>(rule)->cssRules(); |
| |
| if (rule->type() == CSSRule::KEYFRAMES_RULE) |
| return static_cast<CSSKeyframesRule*>(rule)->cssRules(); |
| |
| if (rule->type() == CSSRule::HOST_RULE) |
| return static_cast<CSSHostRule*>(rule)->cssRules(); |
| |
| if (rule->type() == CSSRule::SUPPORTS_RULE) |
| return static_cast<CSSSupportsRule*>(rule)->cssRules(); |
| |
| return 0; |
| } |
| |
| PassRefPtr<InspectorStyle> InspectorStyle::create(const InspectorCSSId& styleId, PassRefPtr<CSSStyleDeclaration> style, InspectorStyleSheet* parentStyleSheet) |
| { |
| return adoptRef(new InspectorStyle(styleId, style, parentStyleSheet)); |
| } |
| |
| InspectorStyle::InspectorStyle(const InspectorCSSId& styleId, PassRefPtr<CSSStyleDeclaration> style, InspectorStyleSheet* parentStyleSheet) |
| : m_styleId(styleId) |
| , m_style(style) |
| , m_parentStyleSheet(parentStyleSheet) |
| , m_formatAcquired(false) |
| { |
| ASSERT(m_style); |
| } |
| |
| InspectorStyle::~InspectorStyle() |
| { |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::CSSStyle> InspectorStyle::buildObjectForStyle() const |
| { |
| RefPtr<TypeBuilder::CSS::CSSStyle> result = styleWithProperties(); |
| if (!m_styleId.isEmpty()) |
| result->setStyleId(m_styleId.asProtocolValue<TypeBuilder::CSS::CSSStyleId>()); |
| |
| result->setWidth(m_style->getPropertyValue("width")); |
| result->setHeight(m_style->getPropertyValue("height")); |
| |
| RefPtr<CSSRuleSourceData> sourceData = extractSourceData(); |
| if (sourceData) |
| result->setRange(buildSourceRangeObject(sourceData->ruleBodyRange, m_parentStyleSheet->lineEndings().get())); |
| |
| return result.release(); |
| } |
| |
| PassRefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSComputedStyleProperty> > InspectorStyle::buildArrayForComputedStyle() const |
| { |
| RefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSComputedStyleProperty> > result = TypeBuilder::Array<TypeBuilder::CSS::CSSComputedStyleProperty>::create(); |
| Vector<InspectorStyleProperty> properties; |
| populateAllProperties(properties); |
| |
| for (Vector<InspectorStyleProperty>::iterator it = properties.begin(), itEnd = properties.end(); it != itEnd; ++it) { |
| const CSSPropertySourceData& propertyEntry = it->sourceData; |
| RefPtr<TypeBuilder::CSS::CSSComputedStyleProperty> entry = TypeBuilder::CSS::CSSComputedStyleProperty::create() |
| .setName(propertyEntry.name) |
| .setValue(propertyEntry.value); |
| result->addItem(entry); |
| } |
| |
| return result.release(); |
| } |
| |
| // This method does the following preprocessing of |propertyText| with |overwrite| == false and |index| past the last active property: |
| // - If the last property (if present) has no closing ";", the ";" is prepended to the current |propertyText| value. |
| // - A heuristic formatting is attempted to retain the style structure. |
| // |
| // The propertyText (if not empty) is checked to be a valid style declaration (containing at least one property). If not, |
| // the method returns false (denoting an error). |
| bool InspectorStyle::setPropertyText(unsigned index, const String& propertyText, bool overwrite, String* oldText, ExceptionState& es) |
| { |
| ASSERT(m_parentStyleSheet); |
| DEFINE_STATIC_LOCAL(String, bogusPropertyName, ("-webkit-boguz-propertee")); |
| |
| if (!m_parentStyleSheet->ensureParsedDataReady()) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| |
| if (!propertyText.stripWhiteSpace().isEmpty()) { |
| RefPtr<MutableStylePropertySet> tempMutableStyle = MutableStylePropertySet::create(); |
| String declarationText = propertyText + " " + bogusPropertyName + ": none"; |
| RuleSourceDataList sourceData; |
| StyleSheetHandler handler(declarationText, ownerDocument(), m_style->parentStyleSheet()->contents(), &sourceData); |
| createCSSParser(ownerDocument())->parseDeclaration(tempMutableStyle.get(), declarationText, &handler, m_style->parentStyleSheet()->contents()); |
| Vector<CSSPropertySourceData>& propertyData = sourceData.first()->styleSourceData->propertyData; |
| unsigned propertyCount = propertyData.size(); |
| |
| // At least one property + the bogus property added just above should be present. |
| if (propertyCount < 2) { |
| es.throwUninformativeAndGenericDOMException(SyntaxError); |
| return false; |
| } |
| |
| // Check for the proper propertyText termination (the parser could at least restore to the PROPERTY_NAME state). |
| if (propertyData.at(propertyCount - 1).name != bogusPropertyName) { |
| es.throwUninformativeAndGenericDOMException(SyntaxError); |
| return false; |
| } |
| } |
| |
| RefPtr<CSSRuleSourceData> sourceData = extractSourceData(); |
| if (!sourceData) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| |
| String text; |
| bool success = styleText(&text); |
| if (!success) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| |
| Vector<InspectorStyleProperty> allProperties; |
| populateAllProperties(allProperties); |
| |
| InspectorStyleTextEditor editor(&allProperties, text, newLineAndWhitespaceDelimiters()); |
| if (overwrite) { |
| if (index >= allProperties.size()) { |
| es.throwUninformativeAndGenericDOMException(IndexSizeError); |
| return false; |
| } |
| *oldText = allProperties.at(index).rawText; |
| editor.replaceProperty(index, propertyText); |
| } else |
| editor.insertProperty(index, propertyText, sourceData->ruleBodyRange.length()); |
| |
| return applyStyleText(editor.styleText()); |
| } |
| |
| bool InspectorStyle::toggleProperty(unsigned index, bool disable, ExceptionState& es) |
| { |
| ASSERT(m_parentStyleSheet); |
| if (!m_parentStyleSheet->ensureParsedDataReady()) { |
| es.throwUninformativeAndGenericDOMException(NoModificationAllowedError); |
| return false; |
| } |
| |
| RefPtr<CSSRuleSourceData> sourceData = extractSourceData(); |
| if (!sourceData) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| |
| String text; |
| bool success = styleText(&text); |
| if (!success) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| |
| Vector<InspectorStyleProperty> allProperties; |
| populateAllProperties(allProperties); |
| if (index >= allProperties.size()) { |
| es.throwUninformativeAndGenericDOMException(IndexSizeError); |
| return false; |
| } |
| |
| InspectorStyleProperty& property = allProperties.at(index); |
| if (property.sourceData.disabled == disable) |
| return true; // Idempotent operation. |
| |
| InspectorStyleTextEditor editor(&allProperties, text, newLineAndWhitespaceDelimiters()); |
| if (disable) |
| editor.disableProperty(index); |
| else |
| editor.enableProperty(index); |
| |
| return applyStyleText(editor.styleText()); |
| } |
| |
| bool InspectorStyle::styleText(String* result) const |
| { |
| RefPtr<CSSRuleSourceData> sourceData = extractSourceData(); |
| if (!sourceData) |
| return false; |
| |
| String styleSheetText; |
| bool success = m_parentStyleSheet->getText(&styleSheetText); |
| if (!success) |
| return false; |
| |
| SourceRange& bodyRange = sourceData->ruleBodyRange; |
| *result = styleSheetText.substring(bodyRange.start, bodyRange.end - bodyRange.start); |
| return true; |
| } |
| |
| void InspectorStyle::populateAllProperties(Vector<InspectorStyleProperty>& result) const |
| { |
| HashSet<String> sourcePropertyNames; |
| |
| RefPtr<CSSRuleSourceData> sourceData = extractSourceData(); |
| if (sourceData) { |
| String styleDeclaration; |
| bool isStyleTextKnown = styleText(&styleDeclaration); |
| ASSERT_UNUSED(isStyleTextKnown, isStyleTextKnown); |
| Vector<CSSPropertySourceData>& sourcePropertyData = sourceData->styleSourceData->propertyData; |
| for (Vector<CSSPropertySourceData>::const_iterator it = sourcePropertyData.begin(); it != sourcePropertyData.end(); ++it) { |
| InspectorStyleProperty p(*it, true); |
| p.setRawTextFromStyleDeclaration(styleDeclaration); |
| result.append(p); |
| sourcePropertyNames.add(it->name.lower()); |
| } |
| } |
| |
| for (int i = 0, size = m_style->length(); i < size; ++i) { |
| String name = m_style->item(i); |
| if (!sourcePropertyNames.add(name.lower()).isNewEntry) |
| continue; |
| |
| result.append(InspectorStyleProperty(CSSPropertySourceData(name, m_style->getPropertyValue(name), !m_style->getPropertyPriority(name).isEmpty(), false, true, SourceRange()), false)); |
| } |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::CSSStyle> InspectorStyle::styleWithProperties() const |
| { |
| RefPtr<Array<TypeBuilder::CSS::CSSProperty> > propertiesObject = Array<TypeBuilder::CSS::CSSProperty>::create(); |
| RefPtr<Array<TypeBuilder::CSS::ShorthandEntry> > shorthandEntries = Array<TypeBuilder::CSS::ShorthandEntry>::create(); |
| HashMap<String, RefPtr<TypeBuilder::CSS::CSSProperty> > propertyNameToPreviousActiveProperty; |
| HashSet<String> foundShorthands; |
| String previousPriority; |
| String previousStatus; |
| OwnPtr<Vector<unsigned> > lineEndings(m_parentStyleSheet ? m_parentStyleSheet->lineEndings() : PassOwnPtr<Vector<unsigned> >()); |
| RefPtr<CSSRuleSourceData> sourceData = extractSourceData(); |
| unsigned ruleBodyRangeStart = sourceData ? sourceData->ruleBodyRange.start : 0; |
| |
| Vector<InspectorStyleProperty> properties; |
| populateAllProperties(properties); |
| |
| for (Vector<InspectorStyleProperty>::iterator it = properties.begin(), itEnd = properties.end(); it != itEnd; ++it) { |
| const CSSPropertySourceData& propertyEntry = it->sourceData; |
| const String& name = propertyEntry.name; |
| const bool disabled = it->sourceData.disabled; |
| |
| TypeBuilder::CSS::CSSProperty::Status::Enum status = disabled ? TypeBuilder::CSS::CSSProperty::Status::Disabled : TypeBuilder::CSS::CSSProperty::Status::Active; |
| |
| RefPtr<TypeBuilder::CSS::CSSProperty> property = TypeBuilder::CSS::CSSProperty::create() |
| .setName(name) |
| .setValue(propertyEntry.value); |
| propertiesObject->addItem(property); |
| |
| // Default "parsedOk" == true. |
| if (!propertyEntry.parsedOk) |
| property->setParsedOk(false); |
| if (it->hasRawText()) |
| property->setText(it->rawText); |
| |
| // Default "priority" == "". |
| if (propertyEntry.important) |
| property->setPriority("important"); |
| if (it->hasSource) { |
| // The property range is relative to the style body start. |
| // Should be converted into an absolute range (relative to the stylesheet start) |
| // for the proper conversion into line:column. |
| SourceRange absolutePropertyRange = propertyEntry.range; |
| absolutePropertyRange.start += ruleBodyRangeStart; |
| absolutePropertyRange.end += ruleBodyRangeStart; |
| property->setRange(buildSourceRangeObject(absolutePropertyRange, lineEndings.get())); |
| } |
| if (!disabled) { |
| if (it->hasSource) { |
| ASSERT(sourceData); |
| property->setImplicit(false); |
| |
| // Parsed property overrides any property with the same name. Non-parsed property overrides |
| // previous non-parsed property with the same name (if any). |
| bool shouldInactivate = false; |
| CSSPropertyID propertyId = cssPropertyID(name); |
| // Canonicalize property names to treat non-prefixed and vendor-prefixed property names the same (opacity vs. -webkit-opacity). |
| String canonicalPropertyName = propertyId ? getPropertyNameString(propertyId) : name; |
| HashMap<String, RefPtr<TypeBuilder::CSS::CSSProperty> >::iterator activeIt = propertyNameToPreviousActiveProperty.find(canonicalPropertyName); |
| if (activeIt != propertyNameToPreviousActiveProperty.end()) { |
| if (propertyEntry.parsedOk) { |
| bool successPriority = activeIt->value->getString(TypeBuilder::CSS::CSSProperty::Priority, &previousPriority); |
| bool successStatus = activeIt->value->getString(TypeBuilder::CSS::CSSProperty::Status, &previousStatus); |
| if (successStatus && previousStatus != "inactive") { |
| if (propertyEntry.important || !successPriority) // Priority not set == "not important". |
| shouldInactivate = true; |
| else if (status == TypeBuilder::CSS::CSSProperty::Status::Active) { |
| // Inactivate a non-important property following the same-named important property. |
| status = TypeBuilder::CSS::CSSProperty::Status::Inactive; |
| } |
| } |
| } else { |
| bool previousParsedOk; |
| bool success = activeIt->value->getBoolean(TypeBuilder::CSS::CSSProperty::ParsedOk, &previousParsedOk); |
| if (success && !previousParsedOk) |
| shouldInactivate = true; |
| } |
| } else |
| propertyNameToPreviousActiveProperty.set(canonicalPropertyName, property); |
| |
| if (shouldInactivate) { |
| activeIt->value->setStatus(TypeBuilder::CSS::CSSProperty::Status::Inactive); |
| propertyNameToPreviousActiveProperty.set(canonicalPropertyName, property); |
| } |
| } else { |
| bool implicit = m_style->isPropertyImplicit(name); |
| // Default "implicit" == false. |
| if (implicit) |
| property->setImplicit(true); |
| status = TypeBuilder::CSS::CSSProperty::Status::Style; |
| |
| String shorthand = m_style->getPropertyShorthand(name); |
| if (!shorthand.isEmpty()) { |
| if (foundShorthands.add(shorthand).isNewEntry) { |
| RefPtr<TypeBuilder::CSS::ShorthandEntry> entry = TypeBuilder::CSS::ShorthandEntry::create() |
| .setName(shorthand) |
| .setValue(shorthandValue(shorthand)); |
| shorthandEntries->addItem(entry); |
| } |
| } |
| } |
| } |
| |
| // Default "status" == "style". |
| if (status != TypeBuilder::CSS::CSSProperty::Status::Style) |
| property->setStatus(status); |
| } |
| |
| RefPtr<TypeBuilder::CSS::CSSStyle> result = TypeBuilder::CSS::CSSStyle::create() |
| .setCssProperties(propertiesObject) |
| .setShorthandEntries(shorthandEntries); |
| return result.release(); |
| } |
| |
| PassRefPtr<CSSRuleSourceData> InspectorStyle::extractSourceData() const |
| { |
| if (!m_parentStyleSheet || !m_parentStyleSheet->ensureParsedDataReady()) |
| return 0; |
| return m_parentStyleSheet->ruleSourceDataFor(m_style.get()); |
| } |
| |
| bool InspectorStyle::applyStyleText(const String& text) |
| { |
| return m_parentStyleSheet->setStyleText(m_style.get(), text); |
| } |
| |
| String InspectorStyle::shorthandValue(const String& shorthandProperty) const |
| { |
| String value = m_style->getPropertyValue(shorthandProperty); |
| if (value.isEmpty()) { |
| StringBuilder builder; |
| |
| for (unsigned i = 0; i < m_style->length(); ++i) { |
| String individualProperty = m_style->item(i); |
| if (m_style->getPropertyShorthand(individualProperty) != shorthandProperty) |
| continue; |
| if (m_style->isPropertyImplicit(individualProperty)) |
| continue; |
| String individualValue = m_style->getPropertyValue(individualProperty); |
| if (individualValue == "initial") |
| continue; |
| if (!builder.isEmpty()) |
| builder.append(" "); |
| builder.append(individualValue); |
| } |
| |
| return builder.toString(); |
| } |
| return value; |
| } |
| |
| String InspectorStyle::shorthandPriority(const String& shorthandProperty) const |
| { |
| String priority = m_style->getPropertyPriority(shorthandProperty); |
| if (priority.isEmpty()) { |
| for (unsigned i = 0; i < m_style->length(); ++i) { |
| String individualProperty = m_style->item(i); |
| if (m_style->getPropertyShorthand(individualProperty) != shorthandProperty) |
| continue; |
| priority = m_style->getPropertyPriority(individualProperty); |
| break; |
| } |
| } |
| return priority; |
| } |
| |
| Vector<String> InspectorStyle::longhandProperties(const String& shorthandProperty) const |
| { |
| Vector<String> properties; |
| HashSet<String> foundProperties; |
| for (unsigned i = 0; i < m_style->length(); ++i) { |
| String individualProperty = m_style->item(i); |
| if (foundProperties.contains(individualProperty) || m_style->getPropertyShorthand(individualProperty) != shorthandProperty) |
| continue; |
| |
| foundProperties.add(individualProperty); |
| properties.append(individualProperty); |
| } |
| return properties; |
| } |
| |
| NewLineAndWhitespace& InspectorStyle::newLineAndWhitespaceDelimiters() const |
| { |
| DEFINE_STATIC_LOCAL(String, defaultPrefix, (" ")); |
| |
| if (m_formatAcquired) |
| return m_format; |
| |
| RefPtr<CSSRuleSourceData> sourceData = extractSourceData(); |
| Vector<CSSPropertySourceData>* sourcePropertyData = sourceData ? &(sourceData->styleSourceData->propertyData) : 0; |
| int propertyCount; |
| if (!sourcePropertyData || !(propertyCount = sourcePropertyData->size())) { |
| m_format.first = "\n"; |
| m_format.second = defaultPrefix; |
| return m_format; // Do not remember the default formatting and attempt to acquire it later. |
| } |
| |
| String text; |
| bool success = styleText(&text); |
| ASSERT_UNUSED(success, success); |
| |
| m_formatAcquired = true; |
| |
| String candidatePrefix = defaultPrefix; |
| StringBuilder formatLineFeed; |
| StringBuilder prefix; |
| int scanStart = 0; |
| int propertyIndex = 0; |
| bool isFullPrefixScanned = false; |
| bool lineFeedTerminated = false; |
| while (propertyIndex < propertyCount) { |
| const WebCore::CSSPropertySourceData& currentProperty = sourcePropertyData->at(propertyIndex++); |
| |
| bool processNextProperty = false; |
| int scanEnd = currentProperty.range.start; |
| for (int i = scanStart; i < scanEnd; ++i) { |
| UChar ch = text[i]; |
| bool isLineFeed = isHTMLLineBreak(ch); |
| if (isLineFeed) { |
| if (!lineFeedTerminated) |
| formatLineFeed.append(ch); |
| prefix.clear(); |
| } else if (isHTMLSpace<UChar>(ch)) |
| prefix.append(ch); |
| else { |
| candidatePrefix = prefix.toString(); |
| prefix.clear(); |
| scanStart = currentProperty.range.end; |
| ++propertyIndex; |
| processNextProperty = true; |
| break; |
| } |
| if (!isLineFeed && formatLineFeed.length()) |
| lineFeedTerminated = true; |
| } |
| if (!processNextProperty) { |
| isFullPrefixScanned = true; |
| break; |
| } |
| } |
| |
| m_format.first = formatLineFeed.toString(); |
| m_format.second = isFullPrefixScanned ? prefix.toString() : candidatePrefix; |
| return m_format; |
| } |
| |
| Document* InspectorStyle::ownerDocument() const |
| { |
| return m_parentStyleSheet->pageStyleSheet() ? m_parentStyleSheet->pageStyleSheet()->ownerDocument() : 0; |
| } |
| |
| PassRefPtr<InspectorStyleSheet> InspectorStyleSheet::create(InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent, const String& id, PassRefPtr<CSSStyleSheet> pageStyleSheet, TypeBuilder::CSS::StyleSheetOrigin::Enum origin, const String& documentURL, Listener* listener) |
| { |
| return adoptRef(new InspectorStyleSheet(pageAgent, resourceAgent, id, pageStyleSheet, origin, documentURL, listener)); |
| } |
| |
| // static |
| String InspectorStyleSheet::styleSheetURL(CSSStyleSheet* pageStyleSheet) |
| { |
| if (pageStyleSheet && !pageStyleSheet->contents()->baseURL().isEmpty()) |
| return pageStyleSheet->contents()->baseURL().string(); |
| return emptyString(); |
| } |
| |
| // static |
| void InspectorStyleSheet::collectFlatRules(PassRefPtr<CSSRuleList> ruleList, CSSRuleVector* result) |
| { |
| if (!ruleList) |
| return; |
| |
| for (unsigned i = 0, size = ruleList->length(); i < size; ++i) { |
| CSSRule* rule = ruleList->item(i); |
| |
| // The result->append()'ed types should be exactly the same as in ParsedStyleSheet::flattenSourceData(). |
| switch (rule->type()) { |
| case CSSRule::STYLE_RULE: |
| result->append(rule); |
| continue; |
| case CSSRule::IMPORT_RULE: |
| case CSSRule::MEDIA_RULE: |
| result->append(rule); |
| break; |
| default: |
| break; |
| } |
| RefPtr<CSSRuleList> childRuleList = asCSSRuleList(rule); |
| if (childRuleList) |
| collectFlatRules(childRuleList, result); |
| } |
| } |
| |
| InspectorStyleSheet::InspectorStyleSheet(InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent, const String& id, PassRefPtr<CSSStyleSheet> pageStyleSheet, TypeBuilder::CSS::StyleSheetOrigin::Enum origin, const String& documentURL, Listener* listener) |
| : m_pageAgent(pageAgent) |
| , m_resourceAgent(resourceAgent) |
| , m_id(id) |
| , m_pageStyleSheet(pageStyleSheet) |
| , m_origin(origin) |
| , m_documentURL(documentURL) |
| , m_isRevalidating(false) |
| , m_isReparsing(false) |
| , m_listener(listener) |
| { |
| m_parsedStyleSheet = new ParsedStyleSheet(); |
| } |
| |
| InspectorStyleSheet::~InspectorStyleSheet() |
| { |
| delete m_parsedStyleSheet; |
| } |
| |
| String InspectorStyleSheet::finalURL() const |
| { |
| String url = styleSheetURL(m_pageStyleSheet.get()); |
| return url.isEmpty() ? m_documentURL : url; |
| } |
| |
| void InspectorStyleSheet::reparseStyleSheet(const String& text) |
| { |
| if (m_listener) |
| m_listener->willReparseStyleSheet(); |
| |
| { |
| // Have a separate scope for clearRules() (bug 95324). |
| CSSStyleSheet::RuleMutationScope mutationScope(m_pageStyleSheet.get()); |
| m_pageStyleSheet->contents()->clearRules(); |
| m_pageStyleSheet->clearChildRuleCSSOMWrappers(); |
| } |
| { |
| m_isReparsing = true; |
| CSSStyleSheet::RuleMutationScope mutationScope(m_pageStyleSheet.get()); |
| m_pageStyleSheet->contents()->parseString(text); |
| m_isReparsing = false; |
| } |
| |
| if (m_listener) |
| m_listener->didReparseStyleSheet(); |
| fireStyleSheetChanged(); |
| m_pageStyleSheet->ownerDocument()->styleResolverChanged(RecalcStyleImmediately, FullStyleUpdate); |
| } |
| |
| bool InspectorStyleSheet::setText(const String& text, ExceptionState& es) |
| { |
| if (!checkPageStyleSheet(es)) |
| return false; |
| if (!m_parsedStyleSheet) |
| return false; |
| |
| m_parsedStyleSheet->setText(text); |
| m_flatRules.clear(); |
| |
| return true; |
| } |
| |
| String InspectorStyleSheet::ruleSelector(const InspectorCSSId& id, ExceptionState& es) |
| { |
| CSSStyleRule* rule = ruleForId(id); |
| if (!rule) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return ""; |
| } |
| return rule->selectorText(); |
| } |
| |
| bool InspectorStyleSheet::setRuleSelector(const InspectorCSSId& id, const String& selector, ExceptionState& es) |
| { |
| if (!checkPageStyleSheet(es)) |
| return false; |
| CSSStyleRule* rule = ruleForId(id); |
| if (!rule) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| CSSStyleSheet* styleSheet = rule->parentStyleSheet(); |
| if (!styleSheet || !ensureParsedDataReady()) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| |
| rule->setSelectorText(selector); |
| RefPtr<CSSRuleSourceData> sourceData = ruleSourceDataFor(rule->style()); |
| if (!sourceData) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| |
| String sheetText = m_parsedStyleSheet->text(); |
| sheetText.replace(sourceData->ruleHeaderRange.start, sourceData->ruleHeaderRange.length(), selector); |
| m_parsedStyleSheet->setText(sheetText); |
| fireStyleSheetChanged(); |
| return true; |
| } |
| |
| static bool checkStyleRuleSelector(Document* document, const String& selector) |
| { |
| CSSSelectorList selectorList; |
| createCSSParser(document)->parseSelector(selector, selectorList); |
| return selectorList.isValid(); |
| } |
| |
| CSSStyleRule* InspectorStyleSheet::addRule(const String& selector, ExceptionState& es) |
| { |
| if (!checkPageStyleSheet(es)) |
| return 0; |
| if (!checkStyleRuleSelector(m_pageStyleSheet->ownerDocument(), selector)) { |
| es.throwUninformativeAndGenericDOMException(SyntaxError); |
| return 0; |
| } |
| |
| String text; |
| bool success = getText(&text); |
| if (!success) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return 0; |
| } |
| StringBuilder styleSheetText; |
| styleSheetText.append(text); |
| |
| m_pageStyleSheet->addRule(selector, "", es); |
| if (es.hadException()) |
| return 0; |
| ASSERT(m_pageStyleSheet->length()); |
| unsigned lastRuleIndex = m_pageStyleSheet->length() - 1; |
| CSSRule* rule = m_pageStyleSheet->item(lastRuleIndex); |
| ASSERT(rule); |
| |
| CSSStyleRule* styleRule = InspectorCSSAgent::asCSSStyleRule(rule); |
| if (!styleRule) { |
| // What we just added has to be a CSSStyleRule - we cannot handle other types of rules yet. |
| // If it is not a style rule, pretend we never touched the stylesheet. |
| m_pageStyleSheet->deleteRule(lastRuleIndex, ASSERT_NO_EXCEPTION); |
| es.throwUninformativeAndGenericDOMException(SyntaxError); |
| return 0; |
| } |
| |
| if (!styleSheetText.isEmpty()) |
| styleSheetText.append('\n'); |
| |
| styleSheetText.append(selector); |
| styleSheetText.appendLiteral(" {}"); |
| // Using setText() as this operation changes the style sheet rule set. |
| setText(styleSheetText.toString(), ASSERT_NO_EXCEPTION); |
| |
| fireStyleSheetChanged(); |
| |
| return styleRule; |
| } |
| |
| bool InspectorStyleSheet::deleteRule(const InspectorCSSId& id, ExceptionState& es) |
| { |
| if (!checkPageStyleSheet(es)) |
| return false; |
| RefPtr<CSSStyleRule> rule = ruleForId(id); |
| if (!rule) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| CSSStyleSheet* styleSheet = rule->parentStyleSheet(); |
| if (!styleSheet || !ensureParsedDataReady()) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| |
| RefPtr<CSSRuleSourceData> sourceData = ruleSourceDataFor(rule->style()); |
| if (!sourceData) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| |
| styleSheet->deleteRule(id.ordinal(), es); |
| // |rule| MAY NOT be addressed after this line! |
| |
| if (es.hadException()) |
| return false; |
| |
| String sheetText = m_parsedStyleSheet->text(); |
| sheetText.remove(sourceData->ruleHeaderRange.start, sourceData->ruleBodyRange.end - sourceData->ruleHeaderRange.start + 1); |
| setText(sheetText, ASSERT_NO_EXCEPTION); |
| fireStyleSheetChanged(); |
| return true; |
| } |
| |
| CSSStyleRule* InspectorStyleSheet::ruleForId(const InspectorCSSId& id) const |
| { |
| if (!m_pageStyleSheet) |
| return 0; |
| |
| ASSERT(!id.isEmpty()); |
| ensureFlatRules(); |
| return InspectorCSSAgent::asCSSStyleRule(id.ordinal() >= m_flatRules.size() ? 0 : m_flatRules.at(id.ordinal()).get()); |
| } |
| |
| bool InspectorStyleSheet::fillObjectForStyleSheet(PassRefPtr<TypeBuilder::CSS::CSSStyleSheetBody> prpResult) |
| { |
| CSSStyleSheet* styleSheet = pageStyleSheet(); |
| if (!styleSheet) |
| return false; |
| |
| RefPtr<TypeBuilder::CSS::CSSStyleSheetBody> result = prpResult; |
| |
| String styleSheetText; |
| bool success = getText(&styleSheetText); |
| if (success) |
| result->setText(styleSheetText); |
| return success; |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::CSSStyleSheetHeader> InspectorStyleSheet::buildObjectForStyleSheetInfo() const |
| { |
| CSSStyleSheet* styleSheet = pageStyleSheet(); |
| if (!styleSheet) |
| return 0; |
| |
| Document* document = styleSheet->ownerDocument(); |
| Frame* frame = document ? document->frame() : 0; |
| |
| RefPtr<TypeBuilder::CSS::CSSStyleSheetHeader> result = TypeBuilder::CSS::CSSStyleSheetHeader::create() |
| .setStyleSheetId(id()) |
| .setOrigin(m_origin) |
| .setDisabled(styleSheet->disabled()) |
| .setSourceURL(url()) |
| .setTitle(styleSheet->title()) |
| .setFrameId(m_pageAgent->frameId(frame)) |
| .setIsInline(styleSheet->isInline() && !startsAtZero()) |
| .setStartLine(styleSheet->startPositionInSource().m_line.zeroBasedInt()) |
| .setStartColumn(styleSheet->startPositionInSource().m_column.zeroBasedInt()); |
| |
| if (hasSourceURL()) |
| result->setHasSourceURL(true); |
| |
| String sourceMapURLValue = sourceMapURL(); |
| if (!sourceMapURLValue.isEmpty()) |
| result->setSourceMapURL(sourceMapURLValue); |
| return result.release(); |
| } |
| |
| static PassRefPtr<TypeBuilder::Array<String> > selectorsFromSource(const CSSRuleSourceData* sourceData, const String& sheetText) |
| { |
| RegularExpression comment("/\\*[^]*?\\*/", TextCaseSensitive, MultilineEnabled); |
| RefPtr<TypeBuilder::Array<String> > result = TypeBuilder::Array<String>::create(); |
| const SelectorRangeList& ranges = sourceData->selectorRanges; |
| for (size_t i = 0, size = ranges.size(); i < size; ++i) { |
| const SourceRange& range = ranges.at(i); |
| String selector = sheetText.substring(range.start, range.length()); |
| |
| // We don't want to see any comments in the selector components, only the meaningful parts. |
| int matchLength; |
| int offset = 0; |
| while ((offset = comment.match(selector, offset, &matchLength)) >= 0) |
| selector.replace(offset, matchLength, ""); |
| |
| result->addItem(selector.stripWhiteSpace()); |
| } |
| return result.release(); |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::SelectorList> InspectorStyleSheet::buildObjectForSelectorList(CSSStyleRule* rule) |
| { |
| RefPtr<CSSRuleSourceData> sourceData; |
| if (ensureParsedDataReady()) |
| sourceData = ruleSourceDataFor(rule->style()); |
| RefPtr<TypeBuilder::Array<String> > selectors; |
| |
| // This intentionally does not rely on the source data to avoid catching the trailing comments (before the declaration starting '{'). |
| String selectorText = rule->selectorText(); |
| |
| if (sourceData) |
| selectors = selectorsFromSource(sourceData.get(), m_parsedStyleSheet->text()); |
| else { |
| selectors = TypeBuilder::Array<String>::create(); |
| const CSSSelectorList& selectorList = rule->styleRule()->selectorList(); |
| for (const CSSSelector* selector = selectorList.first(); selector; selector = CSSSelectorList::next(selector)) |
| selectors->addItem(selector->selectorText()); |
| } |
| RefPtr<TypeBuilder::CSS::SelectorList> result = TypeBuilder::CSS::SelectorList::create() |
| .setSelectors(selectors) |
| .setText(selectorText) |
| .release(); |
| if (sourceData) |
| result->setRange(buildSourceRangeObject(sourceData->ruleHeaderRange, lineEndings().get())); |
| return result.release(); |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::CSSRule> InspectorStyleSheet::buildObjectForRule(CSSStyleRule* rule, PassRefPtr<Array<TypeBuilder::CSS::CSSMedia> > mediaStack) |
| { |
| CSSStyleSheet* styleSheet = pageStyleSheet(); |
| if (!styleSheet) |
| return 0; |
| |
| RefPtr<TypeBuilder::CSS::CSSRule> result = TypeBuilder::CSS::CSSRule::create() |
| .setSelectorList(buildObjectForSelectorList(rule)) |
| .setOrigin(m_origin) |
| .setStyle(buildObjectForStyle(rule->style())); |
| |
| String url = this->url(); |
| if (!url.isEmpty()) |
| result->setSourceURL(url); |
| |
| if (canBind()) { |
| InspectorCSSId id(ruleId(rule)); |
| if (!id.isEmpty()) |
| result->setRuleId(id.asProtocolValue<TypeBuilder::CSS::CSSRuleId>()); |
| } |
| |
| RefPtr<Array<TypeBuilder::CSS::CSSMedia> > mediaArray = Array<TypeBuilder::CSS::CSSMedia>::create(); |
| |
| if (mediaStack) |
| result->setMedia(mediaStack); |
| |
| return result.release(); |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::CSSStyle> InspectorStyleSheet::buildObjectForStyle(CSSStyleDeclaration* style) |
| { |
| RefPtr<CSSRuleSourceData> sourceData; |
| if (ensureParsedDataReady()) |
| sourceData = ruleSourceDataFor(style); |
| |
| InspectorCSSId id = ruleOrStyleId(style); |
| if (id.isEmpty()) { |
| RefPtr<TypeBuilder::CSS::CSSStyle> bogusStyle = TypeBuilder::CSS::CSSStyle::create() |
| .setCssProperties(Array<TypeBuilder::CSS::CSSProperty>::create()) |
| .setShorthandEntries(Array<TypeBuilder::CSS::ShorthandEntry>::create()); |
| return bogusStyle.release(); |
| } |
| RefPtr<InspectorStyle> inspectorStyle = inspectorStyleForId(id); |
| RefPtr<TypeBuilder::CSS::CSSStyle> result = inspectorStyle->buildObjectForStyle(); |
| |
| // Style text cannot be retrieved without stylesheet, so set cssText here. |
| if (sourceData) { |
| String sheetText; |
| bool success = getText(&sheetText); |
| if (success) { |
| const SourceRange& bodyRange = sourceData->ruleBodyRange; |
| result->setCssText(sheetText.substring(bodyRange.start, bodyRange.end - bodyRange.start)); |
| } |
| } |
| |
| return result.release(); |
| } |
| |
| bool InspectorStyleSheet::setStyleText(const InspectorCSSId& id, const String& text, String* oldText, ExceptionState& es) |
| { |
| RefPtr<InspectorStyle> inspectorStyle = inspectorStyleForId(id); |
| if (!inspectorStyle || !inspectorStyle->cssStyle()) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| |
| bool success = inspectorStyle->styleText(oldText); |
| if (!success) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| |
| success = setStyleText(inspectorStyle->cssStyle(), text); |
| if (success) |
| fireStyleSheetChanged(); |
| else |
| es.throwUninformativeAndGenericDOMException(SyntaxError); |
| return success; |
| } |
| |
| bool InspectorStyleSheet::setPropertyText(const InspectorCSSId& id, unsigned propertyIndex, const String& text, bool overwrite, String* oldText, ExceptionState& es) |
| { |
| RefPtr<InspectorStyle> inspectorStyle = inspectorStyleForId(id); |
| if (!inspectorStyle) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| |
| bool success = inspectorStyle->setPropertyText(propertyIndex, text, overwrite, oldText, es); |
| if (success) |
| fireStyleSheetChanged(); |
| return success; |
| } |
| |
| bool InspectorStyleSheet::toggleProperty(const InspectorCSSId& id, unsigned propertyIndex, bool disable, ExceptionState& es) |
| { |
| RefPtr<InspectorStyle> inspectorStyle = inspectorStyleForId(id); |
| if (!inspectorStyle) { |
| es.throwUninformativeAndGenericDOMException(NotFoundError); |
| return false; |
| } |
| |
| bool success = inspectorStyle->toggleProperty(propertyIndex, disable, es); |
| if (success) |
| fireStyleSheetChanged(); |
| return success; |
| } |
| |
| bool InspectorStyleSheet::getText(String* result) const |
| { |
| if (!ensureText()) |
| return false; |
| *result = m_parsedStyleSheet->text(); |
| return true; |
| } |
| |
| CSSStyleDeclaration* InspectorStyleSheet::styleForId(const InspectorCSSId& id) const |
| { |
| CSSStyleRule* rule = ruleForId(id); |
| if (!rule) |
| return 0; |
| |
| return rule->style(); |
| } |
| |
| void InspectorStyleSheet::fireStyleSheetChanged() |
| { |
| if (m_listener) |
| m_listener->styleSheetChanged(this); |
| } |
| |
| PassRefPtr<TypeBuilder::CSS::SourceRange> InspectorStyleSheet::ruleHeaderSourceRange(const CSSRule* rule) |
| { |
| if (!ensureParsedDataReady()) |
| return 0; |
| |
| RefPtr<CSSRuleSourceData> sourceData = m_parsedStyleSheet->ruleSourceDataAt(ruleIndexByRule(rule)); |
| if (!sourceData) |
| return 0; |
| return buildSourceRangeObject(sourceData->ruleHeaderRange, lineEndings().get()); |
| } |
| |
| PassRefPtr<InspectorStyle> InspectorStyleSheet::inspectorStyleForId(const InspectorCSSId& id) |
| { |
| CSSStyleDeclaration* style = styleForId(id); |
| if (!style) |
| return 0; |
| |
| return InspectorStyle::create(id, style, this); |
| } |
| |
| String InspectorStyleSheet::sourceURL() const |
| { |
| if (!m_sourceURL.isNull()) |
| return m_sourceURL; |
| if (m_origin != TypeBuilder::CSS::StyleSheetOrigin::Regular) { |
| m_sourceURL = ""; |
| return m_sourceURL; |
| } |
| |
| String styleSheetText; |
| bool success = getText(&styleSheetText); |
| if (success) { |
| bool deprecated; |
| String commentValue = ContentSearchUtils::findSourceURL(styleSheetText, ContentSearchUtils::CSSMagicComment, &deprecated); |
| if (!commentValue.isEmpty()) { |
| // FIXME: add deprecated console message here. |
| m_sourceURL = commentValue; |
| return commentValue; |
| } |
| } |
| m_sourceURL = ""; |
| return m_sourceURL; |
| } |
| |
| String InspectorStyleSheet::url() const |
| { |
| // "sourceURL" is present only for regular rules, otherwise "origin" should be used in the frontend. |
| if (m_origin != TypeBuilder::CSS::StyleSheetOrigin::Regular) |
| return String(); |
| |
| CSSStyleSheet* styleSheet = pageStyleSheet(); |
| if (!styleSheet) |
| return String(); |
| |
| if (hasSourceURL()) |
| return sourceURL(); |
| |
| if (styleSheet->isInline() && startsAtZero()) |
| return String(); |
| |
| return finalURL(); |
| } |
| |
| bool InspectorStyleSheet::hasSourceURL() const |
| { |
| return !sourceURL().isEmpty(); |
| } |
| |
| bool InspectorStyleSheet::startsAtZero() const |
| { |
| CSSStyleSheet* styleSheet = pageStyleSheet(); |
| if (!styleSheet) |
| return true; |
| |
| return styleSheet->startPositionInSource() == TextPosition::minimumPosition(); |
| } |
| |
| String InspectorStyleSheet::sourceMapURL() const |
| { |
| if (m_origin != TypeBuilder::CSS::StyleSheetOrigin::Regular) |
| return String(); |
| |
| String styleSheetText; |
| bool success = getText(&styleSheetText); |
| if (success) { |
| bool deprecated; |
| String commentValue = ContentSearchUtils::findSourceMapURL(styleSheetText, ContentSearchUtils::CSSMagicComment, &deprecated); |
| if (!commentValue.isEmpty()) { |
| // FIXME: add deprecated console message here. |
| return commentValue; |
| } |
| } |
| return m_pageAgent->resourceSourceMapURL(finalURL()); |
| } |
| |
| InspectorCSSId InspectorStyleSheet::ruleOrStyleId(CSSStyleDeclaration* style) const |
| { |
| unsigned index = ruleIndexByStyle(style); |
| if (index != UINT_MAX) |
| return InspectorCSSId(id(), index); |
| return InspectorCSSId(); |
| } |
| |
| Document* InspectorStyleSheet::ownerDocument() const |
| { |
| return m_pageStyleSheet->ownerDocument(); |
| } |
| |
| PassRefPtr<CSSRuleSourceData> InspectorStyleSheet::ruleSourceDataFor(CSSStyleDeclaration* style) const |
| { |
| return m_parsedStyleSheet->ruleSourceDataAt(ruleIndexByStyle(style)); |
| } |
| |
| PassOwnPtr<Vector<unsigned> > InspectorStyleSheet::lineEndings() const |
| { |
| if (!m_parsedStyleSheet->hasText()) |
| return PassOwnPtr<Vector<unsigned> >(); |
| return WTF::lineEndings(m_parsedStyleSheet->text()); |
| } |
| |
| unsigned InspectorStyleSheet::ruleIndexByStyle(CSSStyleDeclaration* pageStyle) const |
| { |
| ensureFlatRules(); |
| for (unsigned i = 0, size = m_flatRules.size(); i < size; ++i) { |
| CSSStyleRule* styleRule = InspectorCSSAgent::asCSSStyleRule(m_flatRules.at(i).get()); |
| if (styleRule && styleRule->style() == pageStyle) |
| return i; |
| } |
| return UINT_MAX; |
| } |
| |
| unsigned InspectorStyleSheet::ruleIndexByRule(const CSSRule* rule) const |
| { |
| ensureFlatRules(); |
| size_t index = m_flatRules.find(rule); |
| return index == kNotFound ? UINT_MAX : static_cast<unsigned>(index); |
| } |
| |
| bool InspectorStyleSheet::checkPageStyleSheet(ExceptionState& es) const |
| { |
| if (!m_pageStyleSheet) { |
| es.throwUninformativeAndGenericDOMException(NotSupportedError); |
| return false; |
| } |
| return true; |
| } |
| |
| bool InspectorStyleSheet::ensureParsedDataReady() |
| { |
| return ensureText() && ensureSourceData(); |
| } |
| |
| bool InspectorStyleSheet::ensureText() const |
| { |
| if (!m_parsedStyleSheet) |
| return false; |
| if (m_parsedStyleSheet->hasText()) |
| return true; |
| |
| String text; |
| bool success = originalStyleSheetText(&text); |
| if (success) |
| m_parsedStyleSheet->setText(text); |
| // No need to clear m_flatRules here - it's empty. |
| |
| return success; |
| } |
| |
| bool InspectorStyleSheet::ensureSourceData() |
| { |
| if (m_parsedStyleSheet->hasSourceData()) |
| return true; |
| |
| if (!m_parsedStyleSheet->hasText()) |
| return false; |
| |
| RefPtr<StyleSheetContents> newStyleSheet = StyleSheetContents::create(); |
| OwnPtr<RuleSourceDataList> result = adoptPtr(new RuleSourceDataList()); |
| StyleSheetHandler handler(m_parsedStyleSheet->text(), m_pageStyleSheet->ownerDocument(), newStyleSheet.get(), result.get()); |
| createCSSParser(m_pageStyleSheet->ownerDocument())->parseSheet(newStyleSheet.get(), m_parsedStyleSheet->text(), TextPosition::minimumPosition(), &handler); |
| m_parsedStyleSheet->setSourceData(result.release()); |
| return m_parsedStyleSheet->hasSourceData(); |
| } |
| |
| void InspectorStyleSheet::ensureFlatRules() const |
| { |
| // We are fine with redoing this for empty stylesheets as this will run fast. |
| if (m_flatRules.isEmpty()) |
| collectFlatRules(asCSSRuleList(pageStyleSheet()), &m_flatRules); |
| } |
| |
| bool InspectorStyleSheet::setStyleText(CSSStyleDeclaration* style, const String& text) |
| { |
| if (!m_pageStyleSheet) |
| return false; |
| if (!ensureParsedDataReady()) |
| return false; |
| |
| String patchedStyleSheetText; |
| bool success = styleSheetTextWithChangedStyle(style, text, &patchedStyleSheetText); |
| if (!success) |
| return false; |
| |
| InspectorCSSId id = ruleOrStyleId(style); |
| if (id.isEmpty()) |
| return false; |
| |
| TrackExceptionState es; |
| style->setCssText(text, es); |
| if (!es.hadException()) |
| m_parsedStyleSheet->setText(patchedStyleSheetText); |
| |
| return !es.hadException(); |
| } |
| |
| bool InspectorStyleSheet::styleSheetTextWithChangedStyle(CSSStyleDeclaration* style, const String& newStyleText, String* result) |
| { |
| if (!style) |
| return false; |
| |
| if (!ensureParsedDataReady()) |
| return false; |
| |
| RefPtr<CSSRuleSourceData> sourceData = ruleSourceDataFor(style); |
| unsigned bodyStart = sourceData->ruleBodyRange.start; |
| unsigned bodyEnd = sourceData->ruleBodyRange.end; |
| ASSERT(bodyStart <= bodyEnd); |
| |
| String text = m_parsedStyleSheet->text(); |
| ASSERT_WITH_SECURITY_IMPLICATION(bodyEnd <= text.length()); // bodyEnd is exclusive |
| |
| text.replace(bodyStart, bodyEnd - bodyStart, newStyleText); |
| *result = text; |
| return true; |
| } |
| |
| InspectorCSSId InspectorStyleSheet::ruleId(CSSStyleRule* rule) const |
| { |
| return ruleOrStyleId(rule->style()); |
| } |
| |
| void InspectorStyleSheet::revalidateStyle(CSSStyleDeclaration* pageStyle) |
| { |
| if (m_isRevalidating) |
| return; |
| |
| m_isRevalidating = true; |
| ensureFlatRules(); |
| for (unsigned i = 0, size = m_flatRules.size(); i < size; ++i) { |
| CSSStyleRule* parsedRule = InspectorCSSAgent::asCSSStyleRule(m_flatRules.at(i).get()); |
| if (parsedRule && parsedRule->style() == pageStyle) { |
| if (parsedRule->styleRule()->properties()->asText() != pageStyle->cssText()) |
| setStyleText(pageStyle, pageStyle->cssText()); |
| break; |
| } |
| } |
| m_isRevalidating = false; |
| } |
| |
| bool InspectorStyleSheet::originalStyleSheetText(String* result) const |
| { |
| bool success = inlineStyleSheetText(result); |
| if (!success) |
| success = resourceStyleSheetText(result); |
| return success; |
| } |
| |
| bool InspectorStyleSheet::resourceStyleSheetText(String* result) const |
| { |
| if (m_origin == TypeBuilder::CSS::StyleSheetOrigin::User || m_origin == TypeBuilder::CSS::StyleSheetOrigin::User_agent) |
| return false; |
| |
| if (!m_pageStyleSheet || !ownerDocument() || !ownerDocument()->frame()) |
| return false; |
| |
| bool base64Encoded; |
| bool success = m_resourceAgent->fetchResourceContent(ownerDocument()->frame(), KURL(ParsedURLString, m_pageStyleSheet->href()), result, &base64Encoded) && !base64Encoded; |
| return success; |
| } |
| |
| bool InspectorStyleSheet::inlineStyleSheetText(String* result) const |
| { |
| if (!m_pageStyleSheet) |
| return false; |
| |
| Node* ownerNode = m_pageStyleSheet->ownerNode(); |
| if (!ownerNode || ownerNode->nodeType() != Node::ELEMENT_NODE) |
| return false; |
| Element* ownerElement = toElement(ownerNode); |
| |
| if (!ownerElement->hasTagName(HTMLNames::styleTag) && !ownerElement->hasTagName(SVGNames::styleTag)) |
| return false; |
| *result = ownerElement->textContent(); |
| return true; |
| } |
| |
| PassRefPtr<InspectorStyleSheetForInlineStyle> InspectorStyleSheetForInlineStyle::create(InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent, const String& id, PassRefPtr<Element> element, TypeBuilder::CSS::StyleSheetOrigin::Enum origin, Listener* listener) |
| { |
| return adoptRef(new InspectorStyleSheetForInlineStyle(pageAgent, resourceAgent, id, element, origin, listener)); |
| } |
| |
| InspectorStyleSheetForInlineStyle::InspectorStyleSheetForInlineStyle(InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent, const String& id, PassRefPtr<Element> element, TypeBuilder::CSS::StyleSheetOrigin::Enum origin, Listener* listener) |
| : InspectorStyleSheet(pageAgent, resourceAgent, id, 0, origin, "", listener) |
| , m_element(element) |
| , m_ruleSourceData(0) |
| , m_isStyleTextValid(false) |
| { |
| ASSERT(m_element); |
| m_inspectorStyle = InspectorStyle::create(InspectorCSSId(id, 0), inlineStyle(), this); |
| m_styleText = m_element->isStyledElement() ? m_element->getAttribute("style").string() : String(); |
| } |
| |
| void InspectorStyleSheetForInlineStyle::didModifyElementAttribute() |
| { |
| m_isStyleTextValid = false; |
| if (m_element->isStyledElement() && m_element->style() != m_inspectorStyle->cssStyle()) |
| m_inspectorStyle = InspectorStyle::create(InspectorCSSId(id(), 0), inlineStyle(), this); |
| m_ruleSourceData.clear(); |
| } |
| |
| bool InspectorStyleSheetForInlineStyle::getText(String* result) const |
| { |
| if (!m_isStyleTextValid) { |
| m_styleText = elementStyleText(); |
| m_isStyleTextValid = true; |
| } |
| *result = m_styleText; |
| return true; |
| } |
| |
| bool InspectorStyleSheetForInlineStyle::setStyleText(CSSStyleDeclaration* style, const String& text) |
| { |
| ASSERT_UNUSED(style, style == inlineStyle()); |
| TrackExceptionState es; |
| |
| { |
| InspectorCSSAgent::InlineStyleOverrideScope overrideScope(m_element->ownerDocument()); |
| m_element->setAttribute("style", text, es); |
| } |
| |
| m_styleText = text; |
| m_isStyleTextValid = true; |
| m_ruleSourceData.clear(); |
| return !es.hadException(); |
| } |
| |
| PassOwnPtr<Vector<unsigned> > InspectorStyleSheetForInlineStyle::lineEndings() const |
| { |
| return WTF::lineEndings(elementStyleText()); |
| } |
| |
| Document* InspectorStyleSheetForInlineStyle::ownerDocument() const |
| { |
| return &m_element->document(); |
| } |
| |
| bool InspectorStyleSheetForInlineStyle::ensureParsedDataReady() |
| { |
| // The "style" property value can get changed indirectly, e.g. via element.style.borderWidth = "2px". |
| const String& currentStyleText = elementStyleText(); |
| if (m_styleText != currentStyleText) { |
| m_ruleSourceData.clear(); |
| m_styleText = currentStyleText; |
| m_isStyleTextValid = true; |
| } |
| |
| if (m_ruleSourceData) |
| return true; |
| |
| m_ruleSourceData = getStyleAttributeData(); |
| |
| bool success = !!m_ruleSourceData; |
| if (!success) { |
| m_ruleSourceData = CSSRuleSourceData::create(CSSRuleSourceData::STYLE_RULE); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| PassRefPtr<InspectorStyle> InspectorStyleSheetForInlineStyle::inspectorStyleForId(const InspectorCSSId& id) |
| { |
| ASSERT_UNUSED(id, !id.ordinal()); |
| return m_inspectorStyle; |
| } |
| |
| CSSStyleDeclaration* InspectorStyleSheetForInlineStyle::inlineStyle() const |
| { |
| return m_element->style(); |
| } |
| |
| const String& InspectorStyleSheetForInlineStyle::elementStyleText() const |
| { |
| return m_element->getAttribute("style").string(); |
| } |
| |
| PassRefPtr<CSSRuleSourceData> InspectorStyleSheetForInlineStyle::getStyleAttributeData() const |
| { |
| if (!m_element->isStyledElement()) |
| return 0; |
| |
| if (m_styleText.isEmpty()) { |
| RefPtr<CSSRuleSourceData> result = CSSRuleSourceData::create(CSSRuleSourceData::STYLE_RULE); |
| result->ruleBodyRange.start = 0; |
| result->ruleBodyRange.end = 0; |
| return result.release(); |
| } |
| |
| RefPtr<MutableStylePropertySet> tempDeclaration = MutableStylePropertySet::create(); |
| RuleSourceDataList ruleSourceDataResult; |
| StyleSheetHandler handler(m_styleText, &m_element->document(), m_element->document().elementSheet()->contents(), &ruleSourceDataResult); |
| createCSSParser(&m_element->document())->parseDeclaration(tempDeclaration.get(), m_styleText, &handler, m_element->document().elementSheet()->contents()); |
| return ruleSourceDataResult.first().release(); |
| } |
| |
| } // namespace WebCore |
| |
