void
nsStyledElementNotElementCSSInlineStyle::ParseStyleAttribute(const nsAString& aValue,
nsAttrValue& aResult,
bool aForceInDataDoc)
{
nsIDocument* doc = OwnerDoc();
if (aForceInDataDoc ||
!doc->IsLoadedAsData() ||
doc->IsStaticDocument()) {
bool isCSS = true; // assume CSS until proven otherwise
if (!IsInNativeAnonymousSubtree()) { // native anonymous content
// always assumes CSS
nsAutoString styleType;
doc->GetHeaderData(nsGkAtoms::headerContentStyleType, styleType);
if (!styleType.IsEmpty()) {
static const char textCssStr[] = "text/css";
isCSS = (styleType.EqualsIgnoreCase(textCssStr, sizeof(textCssStr) - 1));
}
}
if (isCSS) {
css::Loader* cssLoader = doc->CSSLoader();
nsCSSParser cssParser(cssLoader);
nsCOMPtr<nsIURI> baseURI = GetBaseURI();
nsRefPtr<css::StyleRule> rule;
cssParser.ParseStyleAttribute(aValue, doc->GetDocumentURI(),
baseURI,
NodePrincipal(),
getter_AddRefs(rule));
if (rule) {
aResult.SetTo(rule, &aValue);
return;
}
}
}
aResult.SetTo(aValue);
}
nsresult
nsDOMCSSDeclaration::ParsePropertyValue(const nsCSSProperty aPropID,
const nsAString& aPropValue,
bool aIsImportant)
{
css::Declaration* olddecl = GetCSSDeclaration(PR_TRUE);
if (!olddecl) {
return NS_ERROR_FAILURE;
}
CSSParsingEnvironment env;
GetCSSParsingEnvironment(env);
if (!env.mPrincipal) {
return NS_ERROR_NOT_AVAILABLE;
}
// For nsDOMCSSAttributeDeclaration, SetCSSDeclaration will lead to
// Attribute setting code, which leads in turn to BeginUpdate. We
// need to start the update now so that the old rule doesn't get used
// between when we mutate the declaration and when we set the new
// rule (see stack in bug 209575).
mozAutoDocConditionalContentUpdateBatch autoUpdate(DocToUpdate(), PR_TRUE);
css::Declaration* decl = olddecl->EnsureMutable();
nsCSSParser cssParser(env.mCSSLoader);
bool changed;
nsresult result = cssParser.ParseProperty(aPropID, aPropValue, env.mSheetURI,
env.mBaseURI, env.mPrincipal, decl,
&changed, aIsImportant);
if (NS_FAILED(result) || !changed) {
if (decl != olddecl) {
delete decl;
}
return result;
}
return SetCSSDeclaration(decl);
}
NS_IMETHODIMP
nsDOMCSSDeclaration::SetCssText(const nsAString& aCssText)
{
// We don't need to *do* anything with the old declaration, but we need
// to ensure that it exists, or else SetCSSDeclaration may crash.
css::Declaration* olddecl = GetCSSDeclaration(PR_TRUE);
if (!olddecl) {
return NS_ERROR_FAILURE;
}
CSSParsingEnvironment env;
GetCSSParsingEnvironment(env);
if (!env.mPrincipal) {
return NS_ERROR_NOT_AVAILABLE;
}
// For nsDOMCSSAttributeDeclaration, SetCSSDeclaration will lead to
// Attribute setting code, which leads in turn to BeginUpdate. We
// need to start the update now so that the old rule doesn't get used
// between when we mutate the declaration and when we set the new
// rule (see stack in bug 209575).
mozAutoDocConditionalContentUpdateBatch autoUpdate(DocToUpdate(), PR_TRUE);
nsAutoPtr<css::Declaration> decl(new css::Declaration());
decl->InitializeEmpty();
nsCSSParser cssParser(env.mCSSLoader);
bool changed;
nsresult result = cssParser.ParseDeclarations(aCssText, env.mSheetURI,
env.mBaseURI,
env.mPrincipal, decl, &changed);
if (NS_FAILED(result) || !changed) {
return result;
}
return SetCSSDeclaration(decl.forget());
}
