Exemple #1
0
void ContainerNode::parserAppendChild(PassRefPtr<Node> newChild)
{
    ASSERT(newChild);
    ASSERT(!newChild->parentNode()); // Use appendChild if you need to handle reparenting (and want DOM mutation events).
    ASSERT(!newChild->isDocumentFragment());
    ASSERT(!hasTagName(HTMLNames::templateTag));

    if (document() != newChild->document())
        document()->adoptNode(newChild.get(), ASSERT_NO_EXCEPTION);

    Node* last = m_lastChild;
    {
        NoEventDispatchAssertion assertNoEventDispatch;
        // FIXME: This method should take a PassRefPtr.
        appendChildToContainer(newChild.get(), this);
        treeScope()->adoptIfNeeded(newChild.get());
    }

    newChild->updateAncestorConnectedSubframeCountForInsertion();

    ChildListMutationScope(this).childAdded(newChild.get());

    childrenChanged(true, last, 0, 1);
    ChildNodeInsertionNotifier(this).notify(newChild.get());
}
Exemple #2
0
void ContainerNode::parserAppendChild(PassRefPtr<Node> newChild)
{
    ASSERT(newChild);
    ASSERT(!newChild->parentNode()); // Use appendChild if you need to handle reparenting (and want DOM mutation events).
    ASSERT(!newChild->isDocumentFragment());
#if ENABLE(TEMPLATE_ELEMENT)
    ASSERT(!hasTagName(HTMLNames::templateTag));
#endif

    if (&document() != &newChild->document())
        document().adoptNode(newChild.get(), ASSERT_NO_EXCEPTION);

    {
        NoEventDispatchAssertion assertNoEventDispatch;
        // FIXME: This method should take a PassRefPtr.
        appendChildToContainer(newChild.get(), *this);
        treeScope().adoptIfNeeded(newChild.get());
    }

    newChild->updateAncestorConnectedSubframeCountForInsertion();

    ChildListMutationScope(*this).childAdded(*newChild);

    notifyChildInserted(*newChild, ChildChangeSourceParser);

    ChildNodeInsertionNotifier(*this).notify(*newChild);

    newChild->setNeedsStyleRecalc(ReconstructRenderTree);
}
Exemple #3
0
bool ContainerNode::appendChild(PassRefPtr<Node> newChild, ExceptionCode& ec, AttachBehavior attachBehavior)
{
    RefPtr<ContainerNode> protect(this);

    // 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());

    ec = 0;

    // Make sure adding the new child is ok
    if (!checkAddChild(this, newChild.get(), ec))
        return false;

    if (newChild == m_lastChild) // nothing to do
        return newChild;

    NodeVector targets;
    collectChildrenAndRemoveFromOldParent(newChild.get(), targets, ec);
    if (ec)
        return false;

    if (targets.isEmpty())
        return true;

    // We need this extra check because collectChildrenAndRemoveFromOldParent() can fire mutation events.
    if (!checkAcceptChildGuaranteedNodeTypes(this, newChild.get(), ec))
        return false;

    InspectorInstrumentation::willInsertDOMNode(document(), this);

    // Now actually add the child(ren)
    ChildListMutationScope mutation(this);
    for (NodeVector::const_iterator it = targets.begin(); it != targets.end(); ++it) {
        Node* child = it->get();

        // If the child has a parent again, just stop what we're doing, because
        // that means someone is doing something with DOM mutation -- can't re-parent
        // a child that already has a parent.
        if (child->parentNode())
            break;

        treeScope()->adoptIfNeeded(child);

        // Append child to the end of the list
        {
            NoEventDispatchAssertion assertNoEventDispatch;
            appendChildToContainer(child, this);
        }

        updateTreeAfterInsertion(this, child, attachBehavior);
    }

    dispatchSubtreeModifiedEvent();
    return true;
}
Exemple #4
0
void ContainerNode::parserAppendChild(PassRefPtr<Node> newChild)
{
    ASSERT(newChild);
    ASSERT(!newChild->parentNode()); // Use appendChild if you need to handle reparenting (and want DOM mutation events).

    Node* last = m_lastChild;
    {
        NoEventDispatchAssertion assertNoEventDispatch;
        // FIXME: This method should take a PassRefPtr.
        appendChildToContainer(newChild.get(), this);
        treeScope()->adoptIfNeeded(newChild.get());
    }

    childrenChanged(true, last, 0, 1);
    ChildNodeInsertionNotifier(this).notify(newChild.get());
}
Exemple #5
0
bool ContainerNode::replaceChild(PassRefPtr<Node> newChild, Node* oldChild, ExceptionCode& ec, AttachBehavior attachBehavior)
{
    // 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;

    if (oldChild == newChild) // nothing to do
        return true;

    if (!oldChild) {
        ec = NOT_FOUND_ERR;
        return false;
    }

    // Make sure replacing the old child with the new is ok
    if (!checkReplaceChild(this, newChild.get(), oldChild, ec))
        return false;

    // NOT_FOUND_ERR: Raised if oldChild is not a child of this node.
    if (oldChild->parentNode() != this) {
        ec = NOT_FOUND_ERR;
        return false;
    }

    ChildListMutationScope mutation(this);

    RefPtr<Node> next = oldChild->nextSibling();

    // Remove the node we're replacing
    RefPtr<Node> removedChild = oldChild;
    removeChild(oldChild, ec);
    if (ec)
        return false;

    if (next && (next->previousSibling() == newChild || next == newChild)) // nothing to do
        return true;

    // Does this one more time because removeChild() fires a MutationEvent.
    if (!checkReplaceChild(this, newChild.get(), oldChild, ec))
        return false;

    NodeVector targets;
    collectChildrenAndRemoveFromOldParent(newChild.get(), targets, ec);
    if (ec)
        return false;

    // Does this yet another check because collectChildrenAndRemoveFromOldParent() fires a MutationEvent.
    if (!checkReplaceChild(this, newChild.get(), oldChild, ec))
        return false;

    InspectorInstrumentation::willInsertDOMNode(document(), this);

    // Add the new child(ren)
    for (NodeVector::const_iterator it = targets.begin(); it != targets.end(); ++it) {
        Node* child = it->get();

        // Due to arbitrary code running in response to a DOM mutation event it's
        // possible that "next" is no longer a child of "this".
        // It's also possible that "child" has been inserted elsewhere.
        // In either of those cases, we'll just stop.
        if (next && next->parentNode() != this)
            break;
        if (child->parentNode())
            break;

        treeScope()->adoptIfNeeded(child);

        // Add child before "next".
        {
            NoEventDispatchAssertion assertNoEventDispatch;
            if (next)
                insertBeforeCommon(next.get(), child);
            else
                appendChildToContainer(child, this);
        }

        updateTreeAfterInsertion(this, child, attachBehavior);
    }

    dispatchSubtreeModifiedEvent();
    return true;
}