/**
* Walk through the dom tree and create command object of re-calculating {@link
* android.view.ViewGroup.LayoutParams} for dom that is old.
*
* @param dom the root dom of the walk through.
*/
private void applyUpdate(WXDomObject dom) {
if (dom == null) {
return;
}
if (dom.hasUpdate()) {
dom.markUpdateSeen();
if (!dom.isYoung()) {
final WXDomObject copy = dom.clone();
if (copy == null) {
return;
}
mNormalTasks.add(
new IWXRenderTask() {
@Override
public void execute() {
mWXRenderManager.setLayout(mInstanceId, copy.getRef(), copy);
}
@Override
public String toString() {
return "setLayout";
}
});
if (dom.getExtra() != null) {
mNormalTasks.add(
new IWXRenderTask() {
@Override
public void execute() {
mWXRenderManager.setExtra(mInstanceId, copy.getRef(), copy.getExtra());
}
@Override
public String toString() {
return "setExtra";
}
});
}
}
}
int count = dom.childCount();
for (int i = 0; i < count; ++i) {
applyUpdate(dom.getChild(i));
}
}
/**
* 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));
}
}
}
