bool ContainerNode::removeChild(Node* oldChild, ExceptionCode& ec)
{
// Check that this node is not "floating".
// If it is, it can be deleted as a side effect of sending mutation events.
ASSERT(refCount() || parentOrShadowHostNode());
RefPtr<Node> protect(this);
ec = 0;
// NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
if (isReadOnlyNode()) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return false;
}
// NOT_FOUND_ERR: Raised if oldChild is not a child of this node.
if (!oldChild || oldChild->parentNode() != this) {
ec = NOT_FOUND_ERR;
return false;
}
RefPtr<Node> child = oldChild;
document().removeFocusedNodeOfSubtree(child.get());
#if ENABLE(FULLSCREEN_API)
document().removeFullScreenElementOfSubtree(child.get());
#endif
// Events fired when blurring currently focused node might have moved this
// child into a different parent.
if (child->parentNode() != this) {
ec = NOT_FOUND_ERR;
return false;
}
willRemoveChild(child.get());
// Mutation events might have moved this child into a different parent.
if (child->parentNode() != this) {
ec = NOT_FOUND_ERR;
return false;
}
{
WidgetHierarchyUpdatesSuspensionScope suspendWidgetHierarchyUpdates;
Node* prev = child->previousSibling();
Node* next = child->nextSibling();
removeBetween(prev, next, child.get());
childrenChanged(false, prev, next, -1);
ChildNodeRemovalNotifier(this).notify(child.get());
}
dispatchSubtreeModifiedEvent();
return child;
}
void ProcessingInstruction::setData(const String& data, ExceptionCode& ec)
{
// NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly.
if (isReadOnlyNode()) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return;
}
m_data = data;
}
Text *Text::splitText(unsigned offset, ExceptionCode& ec)
{
ec = 0;
// FIXME: This does not copy markers
// INDEX_SIZE_ERR: Raised if the specified offset is negative or greater than
// the number of 16-bit units in data.
if (offset > str->length()) {
ec = INDEX_SIZE_ERR;
return 0;
}
// NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
if (isReadOnlyNode()) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return 0;
}
StringImpl *oldStr = str;
Text *newText = createNew(str->substring(offset, str->length()-offset));
str = str->copy();
str->ref();
str->remove(offset, str->length()-offset);
dispatchModifiedEvent(oldStr);
oldStr->deref();
if (parentNode())
parentNode()->insertBefore(newText,nextSibling(), ec);
if (ec)
return 0;
if (renderer())
static_cast<RenderText*>(renderer())->setText(str);
return newText;
}
bool ContainerNode::removeChild(Node* oldChild, ExceptionCode& ec)
{
// Check that this node is not "floating".
// If it is, it can be deleted as a side effect of sending mutation events.
ASSERT(refCount() || parentOrShadowHostNode());
Ref<ContainerNode> protect(*this);
ec = 0;
// NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
if (isReadOnlyNode()) {
ec = NO_MODIFICATION_ALLOWED_ERR;
return false;
}
// NOT_FOUND_ERR: Raised if oldChild is not a child of this node.
if (!oldChild || oldChild->parentNode() != this) {
ec = NOT_FOUND_ERR;
return false;
}
Ref<Node> child(*oldChild);
document().removeFocusedNodeOfSubtree(&child.get());
#if ENABLE(FULLSCREEN_API)
document().removeFullScreenElementOfSubtree(&child.get());
#endif
// Events fired when blurring currently focused node might have moved this
// child into a different parent.
if (child->parentNode() != this) {
ec = NOT_FOUND_ERR;
return false;
}
willRemoveChild(child.get());
// Mutation events might have moved this child into a different parent.
if (child->parentNode() != this) {
ec = NOT_FOUND_ERR;
return false;
}
{
WidgetHierarchyUpdatesSuspensionScope suspendWidgetHierarchyUpdates;
Node* prev = child->previousSibling();
Node* next = child->nextSibling();
removeBetween(prev, next, child.get());
notifyChildRemoved(child.get(), prev, next, ChildChangeSourceAPI);
ChildNodeRemovalNotifier(*this).notify(child.get());
}
if (document().svgExtensions()) {
Element* shadowHost = this->shadowHost();
if (!shadowHost || !shadowHost->hasTagName(SVGNames::useTag))
document().accessSVGExtensions()->rebuildElements();
}
dispatchSubtreeModifiedEvent();
return true;
}
