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package com.taobao.weex.dom;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.text.TextUtils;
import android.util.Pair;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.taobao.weex.WXEnvironment;
import com.taobao.weex.WXSDKInstance;
import com.taobao.weex.WXSDKManager;
import com.taobao.weex.adapter.IWXUserTrackAdapter;
import com.taobao.weex.common.Constants;
import com.taobao.weex.common.WXErrorCode;
import com.taobao.weex.dom.flex.CSSLayoutContext;
import com.taobao.weex.dom.flex.CSSNode;
import com.taobao.weex.dom.flex.Spacing;
import com.taobao.weex.ui.IWXRenderTask;
import com.taobao.weex.ui.WXRenderManager;
import com.taobao.weex.ui.animation.WXAnimationBean;
import com.taobao.weex.ui.component.WXComponent;
import com.taobao.weex.ui.component.WXVContainer;
import com.taobao.weex.utils.WXDataStructureUtil;
import com.taobao.weex.utils.WXLogUtils;
import com.taobao.weex.utils.WXViewUtils;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
/**
* <p>
* This class is responsible for creating command object of DOM operation and
* invoking command of corresponding object.
* </p>
* <p>
* In the command design pattern,
* this class acts as the <strong>invoker </strong>in the command pattern
* despite that it is also responsible for creating <strong>Command</strong> object.
* And,{@link IWXRenderTask} works as the <strong>Command</strong>
* {@link WXDomManager} works as the <strong>Client</strong>
* {@link WXRenderManager} works as the <strong>Receiver</strong>.
* </p>
* <p>
* There exists one to one correspondence between WXDomStatement and WXInstance,
* and {@link WXDomManager} is responsible for manage the relation of correspondence.
* </p>
*/
class WXDomStatement {
public static final String CHILDREN = "children";
public static final String TYPE = "type";
/** package **/ final ConcurrentHashMap<String, WXDomObject> mRegistry;
private String mInstanceId;
private WXRenderManager mWXRenderManager;
private ArrayList<IWXRenderTask> mNormalTasks;
private Set <Pair<String, Map<String, Object>>> animations;
private CSSLayoutContext mLayoutContext;
private volatile boolean mDirty;
private boolean mDestroy;
private Map<String, AddDomInfo> mAddDom = new HashMap<>();
/**
* Create an instance of {@link WXDomStatement},
* One {@link WXSDKInstance} corresponding to one and only one {@link WXDomStatement}.
* And all the instance of {@link WXDomManager} share the same {@link WXRenderManager}.
* @param instanceId the id of the {@link WXSDKInstance}.
* One {@link WXSDKInstance} corresponding to one {@link WXDomStatement},
* and vice versa.
* @param renderManager This acts as the Receiver of the command pattern
*/
public WXDomStatement(String instanceId, WXRenderManager renderManager) {
mDestroy = false;
mInstanceId = instanceId;
mLayoutContext = new CSSLayoutContext();
mRegistry = new ConcurrentHashMap<>();
mNormalTasks = new ArrayList<>();
animations = new HashSet<>();
mWXRenderManager = renderManager;
}
/**
* Destroy current instance, which occurred when {@link WXSDKInstance#destroy()} is called.
*/
public void destroy() {
mDestroy = true;
mRegistry.clear();
}
/**
* 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);
}
}
}
}
/**
* 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);
}
}
/**
* Calling given dom and its children's {@link WXDomObject#layoutBefore()}
* @param dom the root domObject for recursive call
*/
private void layoutBefore(WXDomObject dom) {
if (dom == null || !dom.hasUpdate() || mDestroy) {
return;
}
dom.layoutBefore();
int count = dom.childCount();
for (int i = 0; i < count; ++i) {
layoutBefore(dom.getChild(i));
}
}
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));
}
}
/**
* 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));
}
}
private void parseAnimation() {
for(final Pair<String, Map<String, Object>> pair:animations) {
if (!TextUtils.isEmpty(pair.first)) {
final WXAnimationBean animationBean = createAnimationBean(pair.first, pair.second);
if (animationBean != null) {
mNormalTasks.add(new IWXRenderTask() {
@Override
public void execute() {
mWXRenderManager.startAnimation(mInstanceId, pair.first, animationBean, null);
}
@Override
public String toString() {
return "startAnimationByStyle";
}
});
}
}
}
}
/**
* 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());
}
}
/**
* Update all components' dom info stored in {@link #mAddDom}
*/
private void updateDomObj() {
long start = System.currentTimeMillis();
Iterator<Map.Entry<String, AddDomInfo>> iterator = mAddDom.entrySet().iterator();
Map.Entry<String, AddDomInfo> entry;
AddDomInfo value;
while (iterator.hasNext()) {
entry = iterator.next();
value = entry.getValue();
updateDomObj(value.component);
}
if (WXEnvironment.isApkDebugable()) {
WXLogUtils.d("updateDomObj", "time:" + (System.currentTimeMillis() - start));
}
}
/**
* 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 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);
}
}
/**
* 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 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>
* <li> dom's parent is null </li>
* <li> new parent is null </li>
* <li> parent is under {@link CSSNode#hasNewLayout()} </li>
* </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);
}
}
/**
* 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);
}
}
/**
* 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 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);
}
}
/**
* 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 the command object for updating style and put it the queue. If the given style
* contains border-width and padding that will affect layout, then a command object for reset
* padding will also be created.
* @param domObject the given dom object
* @param update the given style.
*/
private void updateStyle(final WXDomObject domObject, final Map<String, Object> update) {
mNormalTasks.add(new IWXRenderTask() {
@Override
public void execute() {
mWXRenderManager.updateStyle(mInstanceId, domObject.getRef(), update);
}
@Override
public String toString() {
return "updateStyle";
}
});
if (update.containsKey("padding") || update.containsKey("paddingTop") ||
update.containsKey("paddingLeft") ||
update.containsKey("paddingRight") ||
update.containsKey("paddingBottom") || update.containsKey("borderWidth")) {
mNormalTasks.add(new IWXRenderTask() {
@Override
public void execute() {
Spacing padding = domObject.getPadding();
Spacing border = domObject.getBorder();
mWXRenderManager.setPadding(mInstanceId, domObject.getRef(), padding, border);
}
@Override
public String toString() {
return "setPadding";
}
});
}
}
/**
* Create a command object for adding a default event listener to the corresponding {@link
* WXDomObject} and put the command object in the queue.
* When the event is triggered, the eventListener will call {@link WXSDKManager#fireEvent(String, String, String)}
* , and the JS will handle all the operations from there.
*
* @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 addEvent(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_ADDEVENT);
}
return;
}
domObject.addEvent(type);
mNormalTasks.add(new IWXRenderTask() {
@Override
public void execute() {
mWXRenderManager.addEvent(mInstanceId, ref, type);
}
@Override
public String toString() {
return "Add event";
}
});
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);
}
}
/**
* Create a command object for scroll the given view to the specified position.
* @param ref Reference of the dom.
* @param options the specified position
*/
void scrollToDom(final String ref, final JSONObject options) {
if (mDestroy) {
return;
}
WXSDKInstance instance = WXSDKManager.getInstance().getSDKInstance(mInstanceId);
mNormalTasks.add(new IWXRenderTask() {
@Override
public void execute() {
mWXRenderManager.scrollToComponent(mInstanceId, ref, options);
}
@Override
public String toString() {
return "scrollToPosition";
}
});
mDirty = true;
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_SUCCESS);
}
}
/**
* Create a command object for notifying {@link WXRenderManager} that the process of creating
* given view is finished, and put the command object in the queue.
*/
void createFinish() {
if (mDestroy) {
return;
}
final WXDomObject root = mRegistry.get(WXDomObject.ROOT);
mNormalTasks.add(new IWXRenderTask() {
@Override
public void execute() {
mWXRenderManager.createFinish(mInstanceId,
(int) root.getLayoutWidth(),
(int) root.getLayoutHeight());
}
@Override
public String toString() {
return "createFinish";
}
});
mDirty = true;
WXSDKInstance instance = WXSDKManager.getInstance().getSDKInstance(mInstanceId);
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_SUCCESS);
}
}
/**
* Create a command object for notifying {@link WXRenderManager} that the process of refreshing
* given view is finished, and put the command object in the queue.
*/
void refreshFinish() {
if (mDestroy) {
return;
}
final WXDomObject root = mRegistry.get(WXDomObject.ROOT);
mNormalTasks.add(new IWXRenderTask() {
@Override
public void execute() {
int realWidth = (int) root.getLayoutWidth();
int realHeight = (int) root.getLayoutHeight();
mWXRenderManager.refreshFinish(mInstanceId, realWidth, realHeight);
}
@Override
public String toString() {
return "refreshFinish";
}
});
mDirty = true;
WXSDKInstance instance = WXSDKManager.getInstance().getSDKInstance(mInstanceId);
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 notifying {@link WXRenderManager} that the process of update
* given view is finished, and put the command object in the queue.
*/
void updateFinish() {
if (mDestroy) {
return;
}
mNormalTasks.add(new IWXRenderTask() {
@Override
public void execute() {
mWXRenderManager.updateFinish(mInstanceId);
}
@Override
public String toString() {
return "updateFinish";
}
});
mDirty = true;
WXSDKInstance instance = WXSDKManager.getInstance().getSDKInstance(mInstanceId);
if (instance != null) {
instance.commitUTStab(IWXUserTrackAdapter.DOM_MODULE, WXErrorCode.WX_SUCCESS);
}
}
void startAnimation(@NonNull final String ref, @NonNull String animation,
@Nullable final String callBack){
if (mDestroy) {
return;
}
WXDomObject domObject = mRegistry.get(ref);
if (domObject == null) {
return;
}
final WXAnimationBean animationBean=createAnimationBean(ref, animation);
if(animationBean!=null) {
mNormalTasks.add(new IWXRenderTask() {
@Override
public void execute() {
mWXRenderManager.startAnimation(mInstanceId, ref, animationBean, callBack);
}
@Override
public String toString() {
return "startAnimationByCall";
}
});
}
}
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;
}
}
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;
}
/**
* 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);
}
}
static class AddDomInfo {
public WXComponent component;
}
}