예제 #1
0
    void visitDOMWrapper(DOMDataStore* store, void* object, v8::Persistent<v8::Object> wrapper)
    {
        WrapperTypeInfo* typeInfo = V8DOMWrapper::domWrapperType(wrapper);

        if (typeInfo->isSubclass(&V8StyleSheetList::info)) {
            StyleSheetList* styleSheetList = static_cast<StyleSheetList*>(object);
            GroupId groupId(styleSheetList);
            if (Document* document = styleSheetList->document())
                groupId = GroupId(document);
            m_grouper.append(GrouperItem(groupId, wrapper));

        } else if (typeInfo->isSubclass(&V8DOMImplementation::info)) {
            DOMImplementation* domImplementation = static_cast<DOMImplementation*>(object);
            GroupId groupId(domImplementation);
            if (Document* document = domImplementation->document())
                groupId = GroupId(document);
            m_grouper.append(GrouperItem(groupId, wrapper));

        } else if (typeInfo->isSubclass(&V8StyleSheet::info) || typeInfo->isSubclass(&V8CSSRule::info)) {
            m_grouper.append(GrouperItem(calculateGroupId(static_cast<StyleBase*>(object)), wrapper));

#if 0 //CMP_ERROR_UNCLEAR CSSMutableStyleDeclaration
        } else if (typeInfo->isSubclass(&V8CSSStyleDeclaration::info)) {
            CSSStyleDeclaration* cssStyleDeclaration = static_cast<CSSStyleDeclaration*>(object);

            GroupId groupId = calculateGroupId(cssStyleDeclaration);
            m_grouper.append(GrouperItem(groupId, wrapper));

            // Keep alive "dirty" primitive values (i.e. the ones that
            // have user-added properties) by creating implicit
            // references between the style declaration and the values
            // in it.
            if (cssStyleDeclaration->isMutableStyleDeclaration()) {
                CSSMutableStyleDeclaration* cssMutableStyleDeclaration = static_cast<CSSMutableStyleDeclaration*>(cssStyleDeclaration);
                Vector<v8::Persistent<v8::Value> > values;
                values.reserveCapacity(cssMutableStyleDeclaration->length());
                CSSMutableStyleDeclaration::const_iterator end = cssMutableStyleDeclaration->end();
                for (CSSMutableStyleDeclaration::const_iterator it = cssMutableStyleDeclaration->begin(); it != end; ++it) {
                    v8::Persistent<v8::Object> value = store->domObjectMap().get(it->value());
                    if (!value.IsEmpty() && value->IsDirty())
                        values.append(value);
                }
                if (!values.isEmpty())
                    v8::V8::AddImplicitReferences(wrapper, values.data(), values.size());
            }
        } else if (typeInfo->isSubclass(&V8CSSRuleList::info)) {
            CSSRuleList* cssRuleList = static_cast<CSSRuleList*>(object);
            GroupId groupId(cssRuleList);
            StyleList* styleList = cssRuleList->styleList();
            if (styleList)
                groupId = calculateGroupId(styleList);
            m_grouper.append(GrouperItem(groupId, wrapper));
#endif
        }
    }
void JSCSSStyleDeclaration::markChildren(MarkStack& markStack)
{
    Base::markChildren(markStack);

    CSSStyleDeclaration* declaration = impl();
    JSGlobalData& globalData = *Heap::heap(this)->globalData();

    if (CSSRule* parentRule = declaration->parentRule())
        markDOMObjectWrapper(markStack, globalData, parentRule);

    if (declaration->isMutableStyleDeclaration()) {
        CSSMutableStyleDeclaration* mutableDeclaration = static_cast<CSSMutableStyleDeclaration*>(declaration);
        CSSMutableStyleDeclaration::const_iterator end = mutableDeclaration->end();
        for (CSSMutableStyleDeclaration::const_iterator it = mutableDeclaration->begin(); it != end; ++it)
            markDOMObjectWrapper(markStack, globalData, it->value());
    }
}