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;
}
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;
}
String InspectorAnimationAgent::createCSSId(blink::Animation& animation) {
String type =
m_idToAnimationType.get(String::number(animation.sequenceNumber()));
ASSERT(type != AnimationType::WebAnimation);
KeyframeEffect* effect = toKeyframeEffect(animation.effect());
Vector<CSSPropertyID> cssProperties;
if (type == AnimationType::CSSAnimation) {
for (CSSPropertyID property : animationProperties)
cssProperties.append(property);
} else {
for (CSSPropertyID property : transitionProperties)
cssProperties.append(property);
cssProperties.append(cssPropertyID(animation.id()));
}
Element* element = effect->target();
HeapVector<Member<CSSStyleDeclaration>> styles =
m_cssAgent->matchingStyles(element);
std::unique_ptr<WebCryptoDigestor> digestor =
createDigestor(HashAlgorithmSha1);
addStringToDigestor(digestor.get(), type);
addStringToDigestor(digestor.get(), animation.id());
for (CSSPropertyID property : cssProperties) {
CSSStyleDeclaration* style =
m_cssAgent->findEffectiveDeclaration(property, styles);
// Ignore inline styles.
if (!style || !style->parentStyleSheet() || !style->parentRule() ||
style->parentRule()->type() != CSSRule::kStyleRule)
continue;
addStringToDigestor(digestor.get(), getPropertyNameString(property));
addStringToDigestor(digestor.get(),
m_cssAgent->styleSheetId(style->parentStyleSheet()));
addStringToDigestor(digestor.get(),
toCSSStyleRule(style->parentRule())->selectorText());
}
DigestValue digestResult;
finishDigestor(digestor.get(), digestResult);
return base64Encode(reinterpret_cast<const char*>(digestResult.data()), 10);
}
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();
}
void CSSStyleSheet::extraCSSOMWrapperIndices(Vector<unsigned>& indices)
{
indices.grow(m_extraChildRuleCSSOMWrappers.size());
for (unsigned i = 0; i < m_extraChildRuleCSSOMWrappers.size(); ++i) {
CSSRule* cssRule = m_extraChildRuleCSSOMWrappers[i].get();
ASSERT(cssRule->type() == CSSRule::STYLE_RULE);
StyleRule* styleRule = toCSSStyleRule(cssRule)->styleRule();
bool didFindIndex = false;
for (unsigned j = 0; j < m_contents->ruleCount(); ++j) {
if (m_contents->ruleAt(j) == styleRule) {
didFindIndex = true;
indices[i] = j;
break;
}
}
ASSERT(didFindIndex);
if (!didFindIndex)
indices[i] = 0;
}
}
void PageSerializer::serializeCSSStyleSheet(CSSStyleSheet* styleSheet, const URL& url)
{
StringBuilder cssText;
for (unsigned i = 0; i < styleSheet->length(); ++i) {
CSSRule* rule = styleSheet->item(i);
String itemText = rule->cssText();
if (!itemText.isEmpty()) {
cssText.append(itemText);
if (i < styleSheet->length() - 1)
cssText.append("\n\n");
}
Document* document = styleSheet->ownerDocument();
// Some rules have resources associated with them that we need to retrieve.
if (rule->type() == CSSRule::IMPORT_RULE) {
CSSImportRule* importRule = toCSSImportRule(rule);
URL importURL = document->completeURL(importRule->href());
if (m_resourceURLs.contains(importURL))
continue;
serializeCSSStyleSheet(importRule->styleSheet(), importURL);
} else if (rule->type() == CSSRule::FONT_FACE_RULE) {
// FIXME: Add support for font face rule. It is not clear to me at this point if the actual otf/eot file can
// be retrieved from the CSSFontFaceRule object.
} else if (rule->type() == CSSRule::STYLE_RULE)
retrieveResourcesForRule(toCSSStyleRule(rule)->styleRule(), document);
}
if (url.isValid() && !m_resourceURLs.contains(url)) {
// FIXME: We should check whether a charset has been specified and if none was found add one.
TextEncoding textEncoding(styleSheet->contents().charset());
ASSERT(textEncoding.isValid());
String textString = cssText.toString();
CString text = textEncoding.encode(textString, EntitiesForUnencodables);
m_resources->append(Resource(url, String("text/css"), SharedBuffer::create(text.data(), text.length())));
m_resourceURLs.add(url);
}
}
