CSSStyleDeclaration* InspectorStyleSheet::styleForId(const String& id) const
{
CSSStyleRule* rule = ruleForId(id);
if (!rule)
return 0;
return rule->style();
}
QString QWebElement::styleProperty(const QString &name, StyleResolveStrategy strategy) const
{
if (!m_element || !m_element->isStyledElement())
return QString();
int propID = cssPropertyID(name);
if (!propID)
return QString();
CSSStyleDeclaration* style = static_cast<StyledElement*>(m_element)->style();
if (strategy == InlineStyle)
return style->getPropertyValue(propID);
if (strategy == CascadedStyle) {
if (style->getPropertyPriority(propID))
return style->getPropertyValue(propID);
// We are going to resolve the style property by walking through the
// list of non-inline matched CSS rules for the element, looking for
// the highest priority definition.
// Get an array of matched CSS rules for the given element sorted
// by importance and inheritance order. This include external CSS
// declarations, as well as embedded and inline style declarations.
DOMWindow* domWindow = m_element->document()->frame()->domWindow();
if (RefPtr<CSSRuleList> rules = domWindow->getMatchedCSSRules(m_element, "")) {
for (int i = rules->length(); i > 0; --i) {
CSSStyleRule* rule = static_cast<CSSStyleRule*>(rules->item(i - 1));
if (rule->style()->getPropertyPriority(propID))
return rule->style()->getPropertyValue(propID);
if (style->getPropertyValue(propID).isEmpty())
style = rule->style();
}
}
return style->getPropertyValue(propID);
}
if (strategy == ComputedStyle) {
if (!m_element || !m_element->isStyledElement())
return QString();
int propID = cssPropertyID(name);
RefPtr<CSSComputedStyleDeclaration> style = computedStyle(m_element);
if (!propID || !style)
return QString();
return style->getPropertyValue(propID);
}
return QString();
}
CSSStyleRule* InspectorStyleSheet::findPageRuleWithStyle(CSSStyleDeclaration* style)
{
for (unsigned i = 0, size = m_pageStyleSheet->length(); i < size; ++i) {
CSSStyleRule* rule = InspectorCSSAgent::asCSSStyleRule(m_pageStyleSheet->item(i));
if (!rule)
continue;
if (rule->style() == style)
return rule;
}
return 0;
}
void V8CSSStyleRule::visitDOMWrapper(v8::Isolate* isolate, ScriptWrappable* scriptWrappable, const v8::Persistent<v8::Object>& wrapper)
{
CSSStyleRule* impl = scriptWrappable->toImpl<CSSStyleRule>();
CSSRule* parentRule = impl->parentRule();
if (parentRule) {
DOMWrapperWorld::setWrapperReferencesInAllWorlds(wrapper, parentRule, isolate);
}
CSSStyleSheet* parentStyleSheet = impl->parentStyleSheet();
if (parentStyleSheet) {
DOMWrapperWorld::setWrapperReferencesInAllWorlds(wrapper, parentStyleSheet, isolate);
}
}
unsigned InspectorStyleSheet::ruleIndexByStyle(CSSStyleDeclaration* pageStyle) const
{
unsigned index = 0;
for (unsigned i = 0, size = m_pageStyleSheet->length(); i < size; ++i) {
CSSStyleRule* rule = InspectorCSSAgent::asCSSStyleRule(m_pageStyleSheet->item(i));
if (!rule)
continue;
if (rule->style() == pageStyle)
return index;
++index;
}
return UINT_MAX;
}
static CSSStyleSheet* findStyleSheet(StyleEngine* styleEngine, StyleRule* rule)
{
// FIXME: StyleEngine has a bunch of different accessors for StyleSheet lists, is this the only one we need to care about?
const Vector<RefPtr<CSSStyleSheet> >& stylesheets = styleEngine->activeAuthorStyleSheets();
for (size_t i = 0; i < stylesheets.size(); ++i) {
CSSStyleSheet* sheet = stylesheets[i].get();
for (unsigned j = 0; j < sheet->length(); ++j) {
CSSRule* cssRule = sheet->item(j);
if (cssRule->type() != CSSRule::STYLE_RULE)
continue;
CSSStyleRule* cssStyleRule = toCSSStyleRule(cssRule);
if (cssStyleRule->styleRule() == rule)
return sheet;
}
}
return 0;
}
CSSRule* ElementRuleCollector::findStyleRule(CSSRuleCollection* cssRules, StyleRule* styleRule)
{
if (!cssRules)
return 0;
CSSRule* result = 0;
for (unsigned i = 0; i < cssRules->length() && !result; ++i) {
CSSRule* cssRule = cssRules->item(i);
CSSRule::Type cssRuleType = cssRule->type();
if (cssRuleType == CSSRule::STYLE_RULE) {
CSSStyleRule* cssStyleRule = toCSSStyleRule(cssRule);
if (cssStyleRule->styleRule() == styleRule)
result = cssRule;
} else {
result = findStyleRule(nestedRuleList(cssRule), styleRule);
}
}
return result;
}
std::unique_ptr<protocol::DictionaryValue> LayoutEditor::currentSelectorInfo(
CSSStyleDeclaration* style) const {
std::unique_ptr<protocol::DictionaryValue> object =
protocol::DictionaryValue::create();
CSSStyleRule* rule =
style->parentRule() ? toCSSStyleRule(style->parentRule()) : nullptr;
String currentSelectorText = rule ? rule->selectorText() : "element.style";
object->setString("selector", currentSelectorText);
Document* ownerDocument = m_element->ownerDocument();
if (!ownerDocument->isActive() || !rule)
return object;
Vector<String> medias;
buildMediaListChain(rule, medias);
std::unique_ptr<protocol::ListValue> mediaListValue =
protocol::ListValue::create();
for (size_t i = 0; i < medias.size(); ++i)
mediaListValue->pushValue(protocol::StringValue::create(medias[i]));
object->setArray("medias", std::move(mediaListValue));
TrackExceptionState exceptionState;
StaticElementList* elements = ownerDocument->querySelectorAll(
AtomicString(currentSelectorText), exceptionState);
if (!elements || exceptionState.hadException())
return object;
std::unique_ptr<protocol::ListValue> highlights =
protocol::ListValue::create();
InspectorHighlightConfig config = affectedNodesHighlightConfig();
for (unsigned i = 0; i < elements->length(); ++i) {
Element* element = elements->item(i);
if (element == m_element)
continue;
InspectorHighlight highlight(element, config, false);
highlights->pushValue(highlight.asProtocolValue());
}
object->setArray("nodes", std::move(highlights));
return object;
}
void InspectorStyleSheet::revalidateStyle(CSSStyleDeclaration* pageStyle)
{
if (m_isRevalidating)
return;
m_isRevalidating = true;
CSSStyleSheet* parsedSheet = m_parsedStyleSheet->cssStyleSheet();
for (unsigned i = 0, size = parsedSheet->length(); i < size; ++i) {
StyleBase* styleBase = parsedSheet->item(i);
CSSStyleRule* parsedRule = InspectorCSSAgent::asCSSStyleRule(styleBase);
if (!parsedRule)
continue;
if (parsedRule->style() == pageStyle) {
if (parsedRule->style()->cssText() != pageStyle->cssText())
innerSetStyleText(pageStyle, pageStyle->cssText());
break;
}
}
m_isRevalidating = false;
}
CSSRule* ElementRuleCollector::findStyleRule(CSSRuleCollection* cssRules,
StyleRule* styleRule) {
if (!cssRules)
return nullptr;
CSSRule* result = 0;
for (unsigned i = 0; i < cssRules->length() && !result; ++i) {
CSSRule* cssRule = cssRules->item(i);
CSSRule::Type cssRuleType = cssRule->type();
if (cssRuleType == CSSRule::kStyleRule) {
CSSStyleRule* cssStyleRule = toCSSStyleRule(cssRule);
if (cssStyleRule->styleRule() == styleRule)
result = cssRule;
} else if (cssRuleType == CSSRule::kImportRule) {
CSSImportRule* cssImportRule = toCSSImportRule(cssRule);
result = findStyleRule(cssImportRule->styleSheet(), styleRule);
} else {
result = findStyleRule(cssRule->cssRules(), styleRule);
}
}
return result;
}
bool InspectorStyleSheet::setRuleSelector(const String& ruleId, const String& selector)
{
CSSStyleRule* rule = ruleForId(ruleId);
if (!rule)
return false;
CSSStyleSheet* styleSheet = InspectorCSSAgent::parentStyleSheet(rule);
if (!styleSheet || !ensureParsedDataReady())
return false;
rule->setSelectorText(selector);
RefPtr<CSSRuleSourceData> sourceData = ruleSourceDataFor(rule->style());
if (!sourceData)
return false;
const String& sheetText = m_parsedStyleSheet->text();
String newStyleSheetText = sheetText.substring(0, sourceData->selectorListRange.start);
newStyleSheetText += selector;
newStyleSheetText += sheetText.right(sheetText.length() - sourceData->selectorListRange.end);
m_parsedStyleSheet->setText(newStyleSheetText);
return true;
}
PassRefPtr<JSONObject> LayoutEditor::currentSelectorInfo(CSSStyleDeclaration* style) const
{
RefPtr<JSONObject> object = JSONObject::create();
CSSStyleRule* rule = style->parentRule() ? toCSSStyleRule(style->parentRule()) : nullptr;
String currentSelectorText = rule ? rule->selectorText() : "element.style";
object->setString("selector", currentSelectorText);
Document* ownerDocument = m_element->ownerDocument();
if (!ownerDocument->isActive() || !rule)
return object.release();
Vector<String> medias;
buildMediaListChain(rule, medias);
RefPtr<JSONArray> mediasJSONArray = JSONArray::create();
for (size_t i = 0; i < medias.size(); ++i)
mediasJSONArray->pushString(medias[i]);
object->setArray("medias", mediasJSONArray.release());
TrackExceptionState exceptionState;
RefPtrWillBeRawPtr<StaticElementList> elements = ownerDocument->querySelectorAll(AtomicString(currentSelectorText), exceptionState);
if (!elements || exceptionState.hadException())
return object.release();
RefPtr<JSONArray> highlights = JSONArray::create();
InspectorHighlightConfig config = affectedNodesHighlightConfig();
for (unsigned i = 0; i < elements->length(); ++i) {
Element* element = elements->item(i);
if (element == m_element)
continue;
InspectorHighlight highlight(element, config, false);
highlights->pushObject(highlight.asJSONObject());
}
object->setArray("nodes", highlights.release());
return object.release();
}