v8::Handle<v8::Value> V8CSSStyleDeclaration::namedPropertyGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
INC_STATS("DOM.CSSStyleDeclaration.NamedPropertyGetter");
// First look for API defined attributes on the style declaration object.
if (info.Holder()->HasRealNamedCallbackProperty(name))
return v8::Handle<v8::Value>();
// Search the style declaration.
CSSPropertyInfo* propInfo = cssPropertyInfo(name);
// Do not handle non-property names.
if (!propInfo)
return v8::Handle<v8::Value>();
CSSStyleDeclaration* imp = V8CSSStyleDeclaration::toNative(info.Holder());
RefPtr<CSSValue> cssValue = imp->getPropertyCSSValueInternal(static_cast<CSSPropertyID>(propInfo->propID));
if (cssValue) {
if (propInfo->hadPixelOrPosPrefix &&
cssValue->isPrimitiveValue()) {
return v8::Number::New(static_cast<CSSPrimitiveValue*>(
cssValue.get())->getFloatValue(CSSPrimitiveValue::CSS_PX));
}
return v8StringOrNull(cssValue->cssText(), info.GetIsolate());
}
String result = imp->getPropertyValueInternal(static_cast<CSSPropertyID>(propInfo->propID));
if (result.isNull())
result = ""; // convert null to empty string.
return v8String(result, info.GetIsolate());
}
void V8CSSStyleDeclaration::namedPropertyGetterCustom(v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Value>& info)
{
if (!name->IsString())
return;
// First look for API defined attributes on the style declaration object.
if (v8CallBoolean(info.Holder()->HasRealNamedCallbackProperty(info.GetIsolate()->GetCurrentContext(), name.As<v8::String>())))
return;
// Search the style declaration.
CSSPropertyInfo* propInfo = cssPropertyInfo(name.As<v8::String>(), info.GetIsolate());
// Do not handle non-property names.
if (!propInfo)
return;
CSSStyleDeclaration* impl = V8CSSStyleDeclaration::toImpl(info.Holder());
RefPtrWillBeRawPtr<CSSValue> cssValue = impl->getPropertyCSSValueInternal(static_cast<CSSPropertyID>(propInfo->propID));
if (cssValue) {
v8SetReturnValueStringOrNull(info, cssValue->cssText(), info.GetIsolate());
return;
}
String result = impl->getPropertyValueInternal(static_cast<CSSPropertyID>(propInfo->propID));
v8SetReturnValueString(info, result, info.GetIsolate());
}
void V8CSSStyleDeclaration::namedPropertyGetterCustom(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
{
// First look for API defined attributes on the style declaration object.
if (info.Holder()->HasRealNamedCallbackProperty(name))
return;
// Search the style declaration.
CSSPropertyInfo* propInfo = cssPropertyInfo(name);
// Do not handle non-property names.
if (!propInfo)
return;
countCssPropertyInfoUsage(info.GetIsolate(), *propInfo);
CSSStyleDeclaration* imp = V8CSSStyleDeclaration::toNative(info.Holder());
RefPtr<CSSValue> cssValue = imp->getPropertyCSSValueInternal(static_cast<CSSPropertyID>(propInfo->propID));
if (cssValue) {
v8SetReturnValueStringOrNull(info, cssValue->cssText(), info.GetIsolate());
return;
}
String result = imp->getPropertyValueInternal(static_cast<CSSPropertyID>(propInfo->propID));
if (result.isNull())
result = ""; // convert null to empty string.
v8SetReturnValueString(info, result, info.GetIsolate());
}
const CSSPrimitiveValue* LayoutEditor::getPropertyCSSValue(
CSSPropertyID property) const {
CSSStyleDeclaration* style =
m_cssAgent->findEffectiveDeclaration(property, m_matchedStyles);
if (!style)
return nullptr;
const CSSValue* cssValue = style->getPropertyCSSValueInternal(property);
if (!cssValue || !cssValue->isPrimitiveValue())
return nullptr;
return toCSSPrimitiveValue(cssValue);
}