private void setAppearanceWatch(WXComponent component, int event, boolean enable) {
AppearanceHelper item = mAppearComponents.get(component.getRef());
if (item != null) {
item.setWatchEvent(event, enable);
} else if (!enable) {
// Do nothing if disable target not exist.
} else {
WXComponent dChild = findDirectListChild(component);
int index = mChildren.indexOf(dChild);
if (index != -1) {
item = new AppearanceHelper(component, index);
item.setWatchEvent(event, true);
mAppearComponents.put(component.getRef(), item);
}
}
}
/**
* Update the specified component's dom and mark it as old.
*
* @param component the component to be updated
*/
private void updateDomObj(WXComponent component) {
if (component == null) {
return;
}
WXDomObject domObject = mRegistry.get(component.getRef());
if (domObject == null) {
return;
}
domObject.old();
component.updateDom(domObject.clone());
if (component instanceof WXVContainer) {
WXVContainer container = (WXVContainer) component;
int count = container.childCount();
for (int i = 0; i < count; ++i) {
updateDomObj(container.getChild(i));
}
}
}