BindingURI* BindingURI::copy()
{
BindingURI* newBinding = new BindingURI(m_uri);
if (next()) {
BindingURI* nextCopy = next()->copy();
newBinding->setNext(nextCopy);
}
return newBinding;
}
void RenderStyle::addBindingURI(StringImpl* uri)
{
BindingURI* binding = new BindingURI(uri);
if (!bindingURIs())
SET_VAR(rareNonInheritedData, bindingURI, binding)
else
for (BindingURI* b = bindingURIs(); b; b = b->next()) {
if (!b->next())
b->setNext(binding);
}
}
bool XBLBindingManager::loadBindings(NodeImpl* node, BindingURI* bindingURIs,
bool isStyleBinding, bool* resolveStyle)
{
if (resolveStyle) *resolveStyle = false;
if (!node->isElementNode()) return true;
bool dirty = false;
XBLBindingChain* bindingChain = getBindingChain(node);
if (bindingChain && isStyleBinding) {
// Check to see if the binding is already installed. If so, then we don't need
// to do anything.
XBLBindingChain* styleBindingChain = bindingChain->firstStyleBindingChain();
if (styleBindingChain) {
if (styleBindingChain->markedForDeath())
return false; // The old bindings haven't destroyed themselves/fired their destructors yet.
// See if the URIs match.
BindingURI* currURI = bindingURIs;
XBLBindingChain* currBindingChain = styleBindingChain;
for ( ; currURI && currBindingChain;
currURI = currURI->next(), currBindingChain = currBindingChain->nextChain()) {
if (currBindingChain->uri() != currURI->uri()) {
styleBindingChain->markForDeath();
return false;
}
}
if ((currURI && !currBindingChain) || (currBindingChain && !currURI)) {
styleBindingChain->markForDeath();
return false;
}
return bindingChain->loaded();
}
}
bindingChain = getBindingChain(node);
ElementImpl* elt = static_cast<ElementImpl*>(node);
for (BindingURI* currURI = bindingURIs; currURI; currURI = currURI->next()) {
XBLBindingChain* newBindingChain = new XBLBindingChain(elt, currURI->uri(), isStyleBinding);
if (newBindingChain) {
if (bindingChain && isStyleBinding)
// Style bindings go on the end. Regular bindings go on the front.
bindingChain->lastBindingChain()->insertBindingChain(newBindingChain);
else {
// Place on the front.
newBindingChain->insertBindingChain(bindingChain);
setBindingChain(node, newBindingChain);
}
dirty = true;
}
bindingChain = newBindingChain;
}
if (!bindingChain) return true; // We did nothing.
// If the binding is completely loaded, then return true. Otherwise return false.
bindingChain = getBindingChain(node);
bool loaded = bindingChain->loaded();
if (loaded && resolveStyle)
*resolveStyle = bindingChain->hasStylesheets();
return loaded;
}