/**
* Rebuild the component tree. The purpose of this method is moving fixed components to the root
* component. This method will be called when {@link #batch()} is executed.
*
* @param root root dom
*/
void rebuildingDomTree(WXDomObject root) {
if (root != null && root.getFixedStyleRefs() != null) {
int size = root.getFixedStyleRefs().size();
for (int i = 0; i < size; i++) {
String fixedRef = root.getFixedStyleRefs().get(i);
WXDomObject wxDomObject = mRegistry.get(fixedRef);
if (wxDomObject != null && wxDomObject.parent != null) {
wxDomObject.parent.remove(wxDomObject);
root.add(wxDomObject, -1);
}
}
}
}
/**
* Create a command object for moving the specific {@link WXDomObject} to a new parent. If any of
* the following situation is met,
*
* <ul>
* <li>dom to be moved is null
* <li>dom's parent is null
* <li>new parent is null
* <li>parent is under {@link CSSNode#hasNewLayout()}
* </ul>
*
* this method will return. Otherwise, put the command object in the queue.
*
* @param ref Reference of the dom to be moved.
* @param parentRef Reference of the new parent DOM node
* @param index the index of the dom to be inserted in the new parent.
*/
void moveDom(final String ref, final String parentRef, final int index) {
if (mDestroy) {
return;
}
WXSDKInstance instance = WXSDKManager.getInstance().getSDKInstance(mInstanceId);
WXDomObject domObject = mRegistry.get(ref);
WXDomObject parentObject = mRegistry.get(parentRef);
if (domObject == null
|| domObject.parent == null
|| parentObject == null
|| parentObject.hasNewLayout()) {
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_ERR_DOM_MOVEELEMENT);
}
return;
}
if (domObject.parent.equals(parentObject)) {
return;
}
domObject.parent.remove(domObject);
parentObject.add(domObject, index);
mNormalTasks.add(
new IWXRenderTask() {
@Override
public void execute() {
mWXRenderManager.moveComponent(mInstanceId, ref, parentRef, index);
}
@Override
public String toString() {
return "moveDom";
}
});
mDirty = true;
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_SUCCESS);
}
}
/**
* Parse the jsonObject to {@link WXDomObject} recursively
*
* @param map the original JSONObject
* @return Dom Object corresponding to the JSONObject.
*/
private @Nullable WXDomObject parseInner(JSONObject map) {
if (map == null || map.size() <= 0) {
return null;
}
String type = (String) map.get(TYPE);
WXDomObject domObject = WXDomObjectFactory.newInstance(type);
if (domObject == null) {
return null;
}
domObject.parseFromJson(map);
Object children = map.get(CHILDREN);
if (children != null && children instanceof JSONArray) {
JSONArray childrenArray = (JSONArray) children;
int count = childrenArray.size();
for (int i = 0; i < count; ++i) {
domObject.add(parseInner(childrenArray.getJSONObject(i)), -1);
}
}
return domObject;
}
/**
* Create a command object for adding a dom node to its parent in a specific location. If dom's
* parent doesn't exist or the dom has been added in current {@link WXSDKInstance}, this method
* will return. If the above request is met, then put the command object in the queue.
*
* @param dom the dom object in the form of JSONObject
* @param parentRef parent to which the dom is added.
* @param index the location of which the dom is added.
*/
void addDom(JSONObject dom, final String parentRef, final int index) {
if (mDestroy) {
return;
}
WXDomObject parent = mRegistry.get(parentRef);
WXSDKInstance instance = WXSDKManager.getInstance().getSDKInstance(mInstanceId);
if (parent == null) {
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_ERR_DOM_ADDELEMENT);
}
return;
}
WXDomObject domObject = parseInner(dom);
if (domObject == null || mRegistry.containsKey(domObject.getRef())) {
if (WXEnvironment.isApkDebugable()) {
WXLogUtils.e("[WXDomStatement] addDom error!!");
}
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_ERR_DOM_ADDELEMENT);
}
return;
}
findFixed(domObject);
parent.add(domObject, index);
transformStyle(domObject, true);
// Create component in dom thread
final WXComponent component =
mWXRenderManager.createComponentOnDomThread(mInstanceId, domObject, parentRef, index);
if (component == null) {
// stop redner, some fatal happened.
return;
}
AddDomInfo addDomInfo = new AddDomInfo();
addDomInfo.component = component;
mAddDom.put(domObject.getRef(), addDomInfo);
mNormalTasks.add(
new IWXRenderTask() {
@Override
public void execute() {
WXSDKInstance instance = WXSDKManager.getInstance().getSDKInstance(mInstanceId);
if (instance == null || instance.getContext() == null) {
WXLogUtils.e("instance is null or instance is destroy!");
return;
}
try {
mWXRenderManager.addComponent(mInstanceId, component, parentRef, index);
} catch (Exception e) {
WXLogUtils.e("add component failed.", e);
}
}
@Override
public String toString() {
return "AddDom";
}
});
animations.add(
new Pair<String, Map<String, Object>>(domObject.getRef(), domObject.getStyles()));
mDirty = true;
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_SUCCESS);
}
}
