PassOwnPtr<DOMPatchSupport::Digest> DOMPatchSupport::createDigest(Node* node, UnusedNodesMap* unusedNodesMap)
{
Digest* digest = new Digest(node);
OwnPtr<blink::WebCryptoDigestor> digestor = createDigestor(HashAlgorithmSha1);
DigestValue digestResult;
Node::NodeType nodeType = node->nodeType();
digestor->consume(reinterpret_cast<const unsigned char*>(&nodeType), sizeof(nodeType));
addStringToDigestor(digestor.get(), node->nodeName());
addStringToDigestor(digestor.get(), node->nodeValue());
if (node->isElementNode()) {
Element& element = toElement(*node);
Node* child = element.firstChild();
while (child) {
OwnPtr<Digest> childInfo = createDigest(child, unusedNodesMap);
addStringToDigestor(digestor.get(), childInfo->m_sha1);
child = child->nextSibling();
digest->m_children.append(childInfo.release());
}
if (element.hasAttributesWithoutUpdate()) {
OwnPtr<blink::WebCryptoDigestor> attrsDigestor = createDigestor(HashAlgorithmSha1);
AttributeCollection attributes = element.attributes();
AttributeCollection::const_iterator end = attributes.end();
for (AttributeCollection::const_iterator it = attributes.begin(); it != end; ++it) {
addStringToDigestor(attrsDigestor.get(), it->name().toString());
addStringToDigestor(attrsDigestor.get(), it->value().string());
}
finishDigestor(attrsDigestor.get(), digestResult);
digest->m_attrsSHA1 = base64Encode(reinterpret_cast<const char*>(digestResult.data()), 10);
addStringToDigestor(digestor.get(), digest->m_attrsSHA1);
digestResult.clear();
}
}
finishDigestor(digestor.get(), digestResult);
digest->m_sha1 = base64Encode(reinterpret_cast<const char*>(digestResult.data()), 10);
if (unusedNodesMap)
unusedNodesMap->add(digest->m_sha1, digest);
return adoptPtr(digest);
}
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);
}