void Text::reattachIfNeeded(const AttachContext& context)
{
bool layoutObjectIsNeeded = false;
ContainerNode* layoutParent = LayoutTreeBuilderTraversal::parent(*this);
if (layoutParent) {
if (LayoutObject* parentLayoutObject = layoutParent->layoutObject()) {
if (textLayoutObjectIsNeeded(*parentLayoutObject->style(), *parentLayoutObject))
layoutObjectIsNeeded = true;
}
}
if (layoutObjectIsNeeded == !!layoutObject())
return;
// The following is almost the same as Node::reattach() except that we create a layoutObject only if needed.
// Not calling reattach() to avoid repeated calls to Text::textLayoutObjectIsNeeded().
AttachContext reattachContext(context);
reattachContext.performingReattach = true;
if (getStyleChangeType() < NeedsReattachStyleChange)
detach(reattachContext);
if (layoutObjectIsNeeded)
LayoutTreeBuilderForText(*this, layoutParent->layoutObject()).createLayoutObject();
CharacterData::attach(reattachContext);
}
void Text::reattachIfNeeded(const AttachContext& context)
{
bool rendererIsNeeded = false;
ContainerNode* renderingParent = NodeRenderingTraversal::parent(*this);
if (renderingParent) {
if (RenderObject* parentRenderer = renderingParent->renderer()) {
if (textRendererIsNeeded(*parentRenderer->style(), *parentRenderer))
rendererIsNeeded = true;
}
}
if (rendererIsNeeded == !!renderer())
return;
// The following is almost the same as Node::reattach() except that we create renderer only if needed.
// Not calling reattach() to avoid repeated calls to Text::textRendererIsNeeded().
AttachContext reattachContext(context);
reattachContext.performingReattach = true;
if (styleChangeType() < NeedsReattachStyleChange)
detach(reattachContext);
if (rendererIsNeeded)
RenderTreeBuilderForText(*this, renderingParent->renderer()).createRenderer();
CharacterData::attach(reattachContext);
}
void reattachRenderTree(Element* current, const AttachContext& context)
{
AttachContext reattachContext(context);
reattachContext.performingReattach = true;
if (current->attached())
detachRenderTree(current, reattachContext);
attachRenderTree(current, reattachContext);
}