/**
* Update the attributes according to the given attribute. Then creating a command object for
* updating corresponding view and put the command object in the queue.
*
* @param ref Reference of the dom.
* @param attrs the new style. This style is only a part of the full attribute set, and will be
* merged into attributes
* @see #updateStyle(String, JSONObject)
*/
void updateAttrs(String ref, final JSONObject attrs) {
if (mDestroy) {
return;
}
WXSDKInstance instance = WXSDKManager.getInstance().getSDKInstance(mInstanceId);
final WXDomObject domObject = mRegistry.get(ref);
if (domObject == null) {
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_ERR_DOM_UPDATEATTRS);
}
return;
}
domObject.updateAttr(attrs);
mNormalTasks.add(
new IWXRenderTask() {
@Override
public void execute() {
mWXRenderManager.updateAttrs(mInstanceId, domObject.getRef(), attrs);
}
@Override
public String toString() {
return "updateAttr";
}
});
mDirty = true;
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_SUCCESS);
}
}
/**
* Clear the mapping relationship between Reference and {@link WXDomObject}. The mapping info is
* stored in {@link #mRegistry}.
*
* @param domObject
*/
private void clearRegistryForDom(WXDomObject domObject) {
int count = domObject.childCount();
mRegistry.remove(domObject.getRef());
for (int i = count - 1; i >= 0; --i) {
clearRegistryForDom(domObject.getChild(i));
}
}
/**
* Update styles according to the given style. Then creating a command object for updating
* corresponding view and put the command object in the queue.
*
* @param ref Reference of the dom.
* @param style the new style. This style is only a part of the full style, and will be merged
* into styles
* @see #updateAttrs(String, JSONObject)
*/
void updateStyle(String ref, JSONObject style) {
if (mDestroy || style == null) {
return;
}
WXSDKInstance instance = WXSDKManager.getInstance().getSDKInstance(mInstanceId);
WXDomObject domObject = mRegistry.get(ref);
if (domObject == null) {
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_ERR_DOM_UPDATESTYLE);
}
return;
}
Map<String, Object> animationMap = WXDataStructureUtil.newHashMapWithExpectedSize(2);
animationMap.put(WXDomObject.TRANSFORM, style.remove(WXDomObject.TRANSFORM));
animationMap.put(WXDomObject.TRANSFORM_ORIGIN, style.remove(WXDomObject.TRANSFORM_ORIGIN));
animations.add(new Pair<>(ref, animationMap));
if (!style.isEmpty()) {
domObject.updateStyle(style);
transformStyle(domObject, false);
updateStyle(domObject, style);
}
mDirty = true;
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_SUCCESS);
}
}
/**
* Create a command object for removing the event listener of the corresponding {@link
* WXDomObject} and put the command event in the queue.
*
* @param ref Reference of the dom.
* @param type the type of the event, this may be a plain event defined in {@link
* com.taobao.weex.common.Constants.Event} or a gesture defined in {@link com.taobao
* .weex.ui.view.gesture.WXGestureType}
*/
void removeEvent(final String ref, final String type) {
if (mDestroy) {
return;
}
WXSDKInstance instance = WXSDKManager.getInstance().getSDKInstance(mInstanceId);
WXDomObject domObject = mRegistry.get(ref);
if (domObject == null) {
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_ERR_DOM_REMOVEEVENT);
}
return;
}
domObject.removeEvent(type);
mNormalTasks.add(
new IWXRenderTask() {
@Override
public void execute() {
mWXRenderManager.removeEvent(mInstanceId, ref, type);
}
@Override
public String toString() {
return "removeEvent";
}
});
mDirty = true;
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_SUCCESS);
}
}
private void layoutAfter(WXDomObject dom) {
if (dom == null || !dom.hasUpdate() || mDestroy) {
return;
}
dom.layoutAfter();
int count = dom.childCount();
for (int i = 0; i < count; ++i) {
layoutAfter(dom.getChild(i));
}
}
/**
* Batch the execution of command objects and execute all the command objects created other
* places, e.g. call {@link IWXRenderTask#execute()}. First, it will rebuild the dom tree and do
* pre layout staff. Then call {@link
* com.taobao.weex.dom.flex.CSSNode#calculateLayout(CSSLayoutContext)} to start calculate layout.
* Next, call {@link #applyUpdate(WXDomObject)} to get changed dom and creating corresponding
* command object. Finally, walk through the queue, e.g. call {@link IWXRenderTask#execute()} for
* every task in the queue.
*/
void batch() {
long start0 = System.currentTimeMillis();
if (!mDirty || mDestroy) {
return;
}
WXDomObject rootDom = mRegistry.get(WXDomObject.ROOT);
if (rootDom == null) {
return;
}
rebuildingDomTree(rootDom);
layoutBefore(rootDom);
long start = System.currentTimeMillis();
rootDom.calculateLayout(mLayoutContext);
WXSDKInstance instance = WXSDKManager.getInstance().getSDKInstance(mInstanceId);
if (instance != null) {
instance.cssLayoutTime(System.currentTimeMillis() - start);
}
layoutAfter(rootDom);
start = System.currentTimeMillis();
applyUpdate(rootDom);
if (instance != null) {
instance.applyUpdateTime(System.currentTimeMillis() - start);
}
start = System.currentTimeMillis();
updateDomObj();
if (instance != null) {
instance.updateDomObjTime(System.currentTimeMillis() - start);
}
parseAnimation();
int count = mNormalTasks.size();
for (int i = 0; i < count && !mDestroy; ++i) {
mWXRenderManager.runOnThread(mInstanceId, mNormalTasks.get(i));
}
mNormalTasks.clear();
mAddDom.clear();
animations.clear();
mDirty = false;
if (instance != null) {
instance.batchTime(System.currentTimeMillis() - start0);
}
}
/**
* 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);
}
}
}
}
/**
* Creating the mapping between Reference to {@link WXDomObject} and store the mapping in {@link
* #mRegistry}. Then, parse and copy style from DOM to {@link com.taobao.weex.dom.flex.CSSNode}.
* Finally, DOM's children are also added to {@link com.taobao.weex.dom.flex.CSSNode#mChildren} if
* added is true. The above procedure will be done recursively.
*
* @param dom the original DOM Object
* @param isAdd true for adding children of {@link WXDomObject} {@link
* com.taobao.weex.dom.flex.CSSNode#mChildren} and parsing style, false for only parsing
* style.
*/
private void transformStyle(WXDomObject dom, boolean isAdd) {
if (dom == null) {
return;
}
if (isAdd) {
dom.young();
mRegistry.put(dom.getRef(), dom);
}
WXStyle style = dom.getStyles();
/** merge default styles * */
Map<String, String> defaults = dom.getDefaultStyle();
if (defaults != null) {
Iterator<Map.Entry<String, String>> it = defaults.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<String, String> entry = it.next();
if (!style.containsKey(entry.getKey())) {
style.put(entry.getKey(), entry.getValue());
}
}
}
if (dom.getStyles().size() > 0) {
dom.applyStyleToNode();
}
int count = dom.childCount();
WXDomObject child;
for (int i = 0; i < count; ++i) {
child = dom.getChild(i);
transformStyle(child, isAdd);
}
}
private WXAnimationBean createAnimationBean(String ref, String animation) {
try {
WXAnimationBean animationBean = JSONObject.parseObject(animation, WXAnimationBean.class);
if (animationBean != null && animationBean.styles != null) {
WXDomObject domObject = mRegistry.get(ref);
int width = (int) domObject.getLayoutWidth();
int height = (int) domObject.getLayoutHeight();
animationBean.styles.init(
animationBean.styles.transformOrigin, animationBean.styles.transform, width, height);
}
return animationBean;
} catch (RuntimeException e) {
WXLogUtils.e("", e);
return null;
}
}
/**
* 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));
}
}
}
/**
* Create a command object for removing the specified {@link WXDomObject}. If the domObject is
* null or its parent is null, this method returns directly. Otherwise, put the command object in
* the queue.
*
* @param ref Reference of the dom.
*/
void removeDom(final String ref) {
if (mDestroy) {
return;
}
WXSDKInstance instance = WXSDKManager.getInstance().getSDKInstance(mInstanceId);
WXDomObject domObject = mRegistry.get(ref);
if (domObject == null) {
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_ERR_DOM_REMOVEELEMENT);
}
return;
}
WXDomObject parent = domObject.parent;
if (parent == null) {
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_ERR_DOM_REMOVEELEMENT);
}
return;
}
clearRegistryForDom(domObject);
parent.remove(domObject);
mRegistry.remove(ref);
mNormalTasks.add(
new IWXRenderTask() {
@Override
public void execute() {
mWXRenderManager.removeComponent(mInstanceId, ref);
}
@Override
public String toString() {
return "removeDom";
}
});
mDirty = true;
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_SUCCESS);
}
}
/**
* 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);
}
}
private WXAnimationBean createAnimationBean(String ref, Map<String, Object> style) {
if (style != null) {
try {
Object transform = style.get(WXDomObject.TRANSFORM);
if (transform instanceof String && !TextUtils.isEmpty((String) transform)) {
String transformOrigin = (String) style.get(WXDomObject.TRANSFORM_ORIGIN);
WXAnimationBean animationBean = new WXAnimationBean();
WXDomObject domObject = mRegistry.get(ref);
int width = (int) domObject.getLayoutWidth();
int height = (int) domObject.getLayoutHeight();
animationBean.styles = new WXAnimationBean.Style();
animationBean.styles.init(transformOrigin, (String) transform, width, height);
return animationBean;
}
} catch (RuntimeException e) {
WXLogUtils.e("", e);
return null;
}
}
return null;
}
/**
* 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;
}
/**
* 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));
}
}
/**
* Find fixed node and tell root dom
*
* @param obj
*/
void findFixed(WXDomObject obj) {
WXDomObject rootDom = mRegistry.get(WXDomObject.ROOT);
if (rootDom == null) {
return;
}
if (obj.isFixed()) {
rootDom.add2FixedDomList(obj.getRef());
}
int childrenCount = obj.childCount();
if (childrenCount > 0) {
for (int i = 0; i < childrenCount; i++) {
findFixed(obj.getChild(i));
}
}
}
/**
* Create command object for creating body according to the JSONObject. And put the command object
* in the queue.
*
* @param element the jsonObject according to which to create command object.
*/
void createBody(JSONObject element) {
if (mDestroy) {
return;
}
WXSDKInstance instance = WXSDKManager.getInstance().getSDKInstance(mInstanceId);
if (element == null) {
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_ERR_DOM_CREATEBODY);
}
return;
}
WXDomObject domObject = parseInner(element);
if (domObject == null) {
return;
}
Map<String, Object> style = new HashMap<>(5);
if (!domObject.getStyles().containsKey(Constants.Name.FLEX_DIRECTION)) {
style.put(Constants.Name.FLEX_DIRECTION, "column");
}
if (!domObject.getStyles().containsKey(Constants.Name.BACKGROUND_COLOR)) {
style.put(Constants.Name.BACKGROUND_COLOR, "#ffffff");
}
// If there is height or width in JS, then that value will override value here.
if (!domObject.getStyles().containsKey(Constants.Name.WIDTH)) {
style.put(
Constants.Name.WIDTH, WXViewUtils.getWebPxByWidth(WXViewUtils.getWeexWidth(mInstanceId)));
domObject.setModifyWidth(true);
}
if (!domObject.getStyles().containsKey(Constants.Name.HEIGHT)) {
style.put(
Constants.Name.HEIGHT,
WXViewUtils.getWebPxByWidth(WXViewUtils.getWeexHeight(mInstanceId)));
domObject.setModifyHeight(true);
}
WXDomObject.prepareRoot(domObject);
domObject.updateStyle(style);
transformStyle(domObject, true);
try {
final WXComponent component = mWXRenderManager.createBodyOnDomThread(mInstanceId, domObject);
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.createBody(mInstanceId, component);
} catch (Exception e) {
WXLogUtils.e("create body failed.", e);
}
}
@Override
public String toString() {
return "createBody";
}
});
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);
}
} catch (Exception e) {
WXLogUtils.e("create body in dom thread failed." + e.getMessage());
}
}
/**
* 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);
}
}
