com.taobao.weex.dom.ImmutableDomObject Java Examples

/**
 * Get the content width of the dom.
 * @return the width of the dom that excludes left-padding, left-border-width,
 * right-border-width and right-padding.
 */
public static float getContentWidth(ImmutableDomObject domObject) {
  float rawWidth = domObject.getLayoutWidth();
  float leftPadding, rightPadding, leftBorder, rightBorder;
  Spacing padding = domObject.getPadding();
  Spacing border = domObject.getBorder();

  if (!CSSConstants.isUndefined((leftPadding = padding.get(Spacing.LEFT)))) {
    rawWidth -= leftPadding;
  }
  if (!CSSConstants.isUndefined((rightPadding = padding.get(Spacing.RIGHT)))) {
    rawWidth -= rightPadding;
  }

  if (!CSSConstants.isUndefined(leftBorder = border.get(Spacing.LEFT))) {
    rawWidth -= leftBorder;
  }
  if (!CSSConstants.isUndefined(rightBorder = border.get(Spacing.RIGHT))) {
    rawWidth -= rightBorder;
  }
  return rawWidth;
}
 

/**
 * Get the content height of the dom.
 * @return the height of the dom that excludes top-padding, top-border-width, bottom-padding
 * and bottom-border-width.
 */
public static float getContentHeight(ImmutableDomObject domObject) {
  float rawHeight = domObject.getLayoutHeight();
  float topPadding, bottomPadding, topBorder, bottomBorder;
  Spacing padding = domObject.getPadding();
  Spacing border = domObject.getBorder();

  if (!CSSConstants.isUndefined((topPadding = padding.get(Spacing.TOP)))) {
    rawHeight -= topPadding;
  }
  if (!CSSConstants.isUndefined((bottomPadding = padding.get(Spacing.BOTTOM)))) {
    rawHeight -= bottomPadding;
  }

  if (!CSSConstants.isUndefined(topBorder = border.get(Spacing.TOP))) {
    rawHeight -= topBorder;
  }
  if (!CSSConstants.isUndefined(bottomBorder = border.get(Spacing.BOTTOM))) {
    rawHeight -= bottomBorder;
  }
  return rawHeight;
}
 

/**
 *
 * @param refresh should be {@link WXRefreshView}
 */
public void setHeaderView(WXComponent refresh) {
    setRefreshEnable(true);
    if (swipeLayout != null) {
        WXRefreshView refreshView = swipeLayout.getHeaderView();
        if (refreshView != null) {
            ImmutableDomObject immutableDomObject = refresh.getDomObject();
            if (immutableDomObject != null) {
                int refreshHeight = (int) immutableDomObject.getLayoutHeight();
                swipeLayout.setRefreshHeight(refreshHeight);
                String colorStr = (String) immutableDomObject.getStyles().get(Constants.Name.BACKGROUND_COLOR);
                String bgColor = WXUtils.getString(colorStr, null);
                if (bgColor != null) {
                    if (!TextUtils.isEmpty(bgColor)) {
                        int colorInt = WXResourceUtils.getColor(bgColor);
                        if (!(colorInt == Color.TRANSPARENT)) {
                            swipeLayout.setRefreshBgColor(colorInt);
                        }
                    }
                }
                refreshView.setRefreshView(refresh.getHostView());
            }
        }
    }
}
 

/**
 *
 * @param loading should be {@link WXRefreshView}
 */
public void setFooterView(WXComponent loading) {
    setLoadmoreEnable(true);
    if (swipeLayout != null) {
        WXRefreshView refreshView = swipeLayout.getFooterView();
        if (refreshView != null) {
            ImmutableDomObject immutableDomObject = loading.getDomObject();
            if (immutableDomObject != null) {
                int loadingHeight = (int) immutableDomObject.getLayoutHeight();
                swipeLayout.setLoadingHeight(loadingHeight);
                String colorStr = (String) immutableDomObject.getStyles().get(Constants.Name.BACKGROUND_COLOR);
                String bgColor = WXUtils.getString(colorStr, null);
                if (bgColor != null) {
                    if (!TextUtils.isEmpty(bgColor)) {
                        int colorInt = WXResourceUtils.getColor(bgColor);
                        if (!(colorInt == Color.TRANSPARENT)) {
                            swipeLayout.setLoadingBgColor(colorInt);
                        }
                    }
                }
                refreshView.setRefreshView(loading.getHostView());
            }
        }
    }
}
 

@Override
protected void onHostViewInitialized(WXFrameLayout host) {
  super.onHostViewInitialized(host);
  addClickListener(new OnClickListener() {
    @Override
    public void onHostViewClick() {
      String href;
      ImmutableDomObject domObject = getDomObject();
      if (domObject != null) {
        WXAttr attr = domObject.getAttrs();
        if (attr !=null && (href = (String)attr.get("href")) != null) {
          ATagUtil.onClick(null, getInstanceId(), href);
        }
      } else {
        WXLogUtils.d("WXA", "Property href is empty.");
      }
    }
  });
}
 

/**
 * Get the content height of the dom.
 * @return the height of the dom that excludes top-padding, top-border-width, bottom-padding
 * and bottom-border-width.
 */
public static float getContentHeight(ImmutableDomObject domObject) {
  float rawHeight = domObject.getLayoutHeight();
  float topPadding, bottomPadding, topBorder, bottomBorder;
  Spacing padding = domObject.getPadding();
  Spacing border = domObject.getBorder();

  if (!CSSConstants.isUndefined((topPadding = padding.get(Spacing.TOP)))) {
    rawHeight -= topPadding;
  }
  if (!CSSConstants.isUndefined((bottomPadding = padding.get(Spacing.BOTTOM)))) {
    rawHeight -= bottomPadding;
  }

  if (!CSSConstants.isUndefined(topBorder = border.get(Spacing.TOP))) {
    rawHeight -= topBorder;
  }
  if (!CSSConstants.isUndefined(bottomBorder = border.get(Spacing.BOTTOM))) {
    rawHeight -= bottomBorder;
  }
  return rawHeight;
}
 

/**
 * Get the content width of the dom.
 * @return the width of the dom that excludes left-padding, left-border-width,
 * right-border-width and right-padding.
 */
public static float getContentWidth(ImmutableDomObject domObject) {
  float rawWidth = domObject.getLayoutWidth();
  float leftPadding, rightPadding, leftBorder, rightBorder;
  Spacing padding = domObject.getPadding();
  Spacing border = domObject.getBorder();

  if (!CSSConstants.isUndefined((leftPadding = padding.get(Spacing.LEFT)))) {
    rawWidth -= leftPadding;
  }
  if (!CSSConstants.isUndefined((rightPadding = padding.get(Spacing.RIGHT)))) {
    rawWidth -= rightPadding;
  }

  if (!CSSConstants.isUndefined(leftBorder = border.get(Spacing.LEFT))) {
    rawWidth -= leftBorder;
  }
  if (!CSSConstants.isUndefined(rightBorder = border.get(Spacing.RIGHT))) {
    rawWidth -= rightBorder;
  }
  return rawWidth;
}
 

private String getTriggerType(@Nullable ImmutableDomObject domObject) {
  String triggerType = DEFAULT_TRIGGER_TYPE;
  if (domObject == null) {
    return triggerType;
  }
  triggerType = WXUtils.getString(domObject.getAttrs().get(DRAG_TRIGGER_TYPE), DEFAULT_TRIGGER_TYPE);
  if (!DragTriggerType.LONG_PRESS.equals(triggerType) && !DragTriggerType.PAN.equals(triggerType)) {
    triggerType = DEFAULT_TRIGGER_TYPE;
  }

  if (WXEnvironment.isApkDebugable()) {
    WXLogUtils.d(TAG, "trigger type is " + triggerType);
  }

  return triggerType;
}
 

public void destroy() {
  ComponentObserver observer;
  if ((observer = getInstance().getComponentObserver()) != null) {
    observer.onPreDestory(this);
  }

  if (WXEnvironment.isApkDebugable() && !WXUtils.isUiThread()) {
    throw new WXRuntimeException("[WXComponent] destroy can only be called in main thread");
  }
  if(mHost!= null && mHost.getLayerType()==View.LAYER_TYPE_HARDWARE && isLayerTypeEnabled()) {
    mHost.setLayerType(View.LAYER_TYPE_NONE, null);
  }
  removeAllEvent();
  removeStickyStyle();

  View view;
  if(mDomObj.isFixed() && (view = getHostView()) != null){
    getInstance().removeFixedView(view);
  }

  mDomObj = ImmutableDomObject.DESTROYED;
  mIsDestroyed = true;
}
 

@Override
public void onPullingUp(float dy, int pullOutDistance, float viewHeight) {
  ImmutableDomObject domObject = getDomObject();
  if (domObject != null && domObject.getEvents().contains(Constants.Event.ONPULLING_UP)) {
    Map<String, Object> data = new HashMap<>();
    data.put(Constants.Name.DISTANCE_Y, dy);
    data.put(Constants.Name.PULLING_DISTANCE, pullOutDistance);
    data.put(Constants.Name.VIEW_HEIGHT, viewHeight);
    fireEvent(Constants.Event.ONPULLING_UP, data);
  }
}
 

@Override
public void onLoading() {
  ImmutableDomObject domObject = getDomObject();
  if (domObject != null && domObject.getEvents().contains(Constants.Event.ONLOADING)) {
    fireEvent(Constants.Event.ONLOADING);
  }
}
 

private boolean isDragExcluded(@Nullable ImmutableDomObject domObject) {
  if (domObject == null) {
    return DEFAULT_EXCLUDED;
  }
  WXAttr cellAttrs = domObject.getAttrs();
  return WXUtils.getBoolean(cellAttrs.get(EXCLUDED), DEFAULT_EXCLUDED);
}
 

@Nullable
private WXComponent findComponentByAnchorName(@NonNull WXComponent root, @NonNull String anchorName) {
  long start = 0;
  if (WXEnvironment.isApkDebugable()) {
    start = System.currentTimeMillis();
  }

  Deque<WXComponent> deque = new ArrayDeque<>();
  deque.add(root);
  while (!deque.isEmpty()) {
    WXComponent curComponent = deque.removeFirst();
    ImmutableDomObject object = curComponent.getDomObject();
    if (object != null) {
      String isAnchorSet = WXUtils.getString(object.getAttrs().get(anchorName), null);

      //hit
      if (isAnchorSet != null && isAnchorSet.equals("true")) {
        if (WXEnvironment.isApkDebugable()) {
          WXLogUtils.d("dragPerf", "findComponentByAnchorName time: " + (System.currentTimeMillis() - start) + "ms");
        }
        return curComponent;
      }
    }
    if (curComponent instanceof WXVContainer) {
      WXVContainer container = (WXVContainer) curComponent;
      for (int i = 0, len = container.childCount(); i < len; i++) {
        WXComponent child = container.getChild(i);
        deque.add(child);
      }
    }
  }

  if (WXEnvironment.isApkDebugable()) {
    WXLogUtils.d("dragPerf", "findComponentByAnchorName elapsed time: " + (System.currentTimeMillis() - start) + "ms");
  }
  return null;

}
 

/**
 * To determine whether an animation is needed
 * @param child
 * @return
 */
private boolean isRemoveAnimation(WXComponent child) {
  ImmutableDomObject domObject = child.getDomObject();
  if (domObject != null) {
    Object attr = domObject.getAttrs().get(Constants.Name.DELETE_CELL_ANIMATION);
    if (Constants.Value.DEFAULT.equals(attr)) {
      return true;
    }
  }
  return false;
}
 

/**
 * Determine if the component needs to be fixed at the time of insertion
 * @param child Need to insert the component
 * @return fixed=true
 */
private boolean isKeepScrollPosition(WXComponent child,int index) {
  ImmutableDomObject domObject = child.getDomObject();
  if (domObject != null) {
    Object attr = domObject.getAttrs().get(Constants.Name.KEEP_SCROLL_POSITION);
    if (WXUtils.getBoolean(attr, false) && index <= getChildCount() && index>-1) {
      return true;
    }
  }
  return false;
}
 

/**
 * To determine whether an animation is needed
 * @param child
 * @return
 */
private boolean isAddAnimation(WXComponent child) {
  ImmutableDomObject domObject = child.getDomObject();
  if (domObject != null) {
    Object attr = domObject.getAttrs().get(Constants.Name.INSERT_CELL_ANIMATION);
    if (Constants.Value.DEFAULT.equals(attr)) {
      return true;
    }
  }
  return false;
}
 

@Override
public void onRefresh() {
  if(isDestoryed()){
    return;
  }
  
  ImmutableDomObject dom;
  if ((dom = getDomObject())!= null && dom.getEvents().contains(Constants.Event.ONREFRESH)) {
    fireEvent(Constants.Event.ONREFRESH);
  }
}
 

public ImmutableDomObject getDomObject() {
  return mDomObj;
}
 

/**
 * layout view
 */
public final void setLayout(ImmutableDomObject domObject) {
  if ( domObject == null || TextUtils.isEmpty(mCurrentRef)) {
    return;
  }

  boolean nullParent = mParent == null;//parent is nullable
  mDomObj = domObject;

  //offset by sibling
  int siblingOffset = nullParent?0:mParent.getChildrenLayoutTopOffset();

  Spacing parentPadding = (nullParent?new Spacing():mParent.getDomObject().getPadding());
  Spacing parentBorder = (nullParent?new Spacing():mParent.getDomObject().getBorder());
  Spacing margin = mDomObj.getMargin();
  int realWidth = (int) mDomObj.getLayoutWidth();
  int realHeight = (int) mDomObj.getLayoutHeight();
  int realLeft = (int) (mDomObj.getLayoutX() - parentPadding.get(Spacing.LEFT) -
                        parentBorder.get(Spacing.LEFT));
  int realTop = (int) (mDomObj.getLayoutY() - parentPadding.get(Spacing.TOP) -
                       parentBorder.get(Spacing.TOP)) + siblingOffset;
  int realRight = (int) margin.get(Spacing.RIGHT);
  int realBottom = (int) margin.get(Spacing.BOTTOM);

  if (mPreRealWidth == realWidth && mPreRealHeight == realHeight && mPreRealLeft == realLeft && mPreRealTop == realTop) {
    return;
  }

  mAbsoluteY = (int) (nullParent?0:mParent.getAbsoluteY() + mDomObj.getLayoutY());
  mAbsoluteX = (int) (nullParent?0:mParent.getAbsoluteX() + mDomObj.getLayoutX());

  //calculate first screen time
  if (!mInstance.mEnd &&!(mHost instanceof ViewGroup) && mAbsoluteY+realHeight > mInstance.getWeexHeight()+1) {
    mInstance.firstScreenRenderFinished();
  }

  if (mHost == null) {
    return;
  }

  MeasureOutput measureOutput = measure(realWidth, realHeight);
  realWidth = measureOutput.width;
  realHeight = measureOutput.height;

  //fixed style
  if (mDomObj.isFixed()) {
    setFixedHostLayoutParams(mHost,realWidth,realHeight,realLeft,realRight,realTop,realBottom);
  }else {
    setHostLayoutParams(mHost, realWidth, realHeight, realLeft, realRight, realTop, realBottom);
  }

  mPreRealWidth = realWidth;
  mPreRealHeight = realHeight;
  mPreRealLeft = realLeft;
  mPreRealTop = realTop;

  onFinishLayout();
}
 

@Override
protected void saveDefinition() {
  if (mName != null) {
    ArrayList points = new ArrayList<String>();
    points.add(mX1);
    points.add(mY1);
    points.add(mX2);
    points.add(mY2);

    ArrayList<Integer> stopColors = new ArrayList<>();
    ArrayList<Float> stops = new ArrayList<>();
    for (int i = 0; i < childCount(); i++) {
      if (getChild(i) instanceof WXSvgStop) {
        ImmutableDomObject domObject = getChild(i).getDomObject();
        int color = Color.TRANSPARENT;
        if (!TextUtils.isEmpty((CharSequence) domObject.getAttrs().get("stopColor"))) {
          color = SvgParser.parseColor((String) domObject.getAttrs().get("stopColor"));
        }
        if (!TextUtils.isEmpty((CharSequence) domObject.getStyles().get("stopColor"))) {
          color = SvgParser.parseColor((String) domObject.getStyles().get("stopColor"));
        }
        float offset = ParserHelper.fromPercentageToFloat(
            (String) domObject.getAttrs().get("offset"), 1, 0, 1);
        stops.add(offset);
        stopColors.add(color);
      }
    }

    int[] colors = new int[stopColors.size()];
    for (int i = 0; i < colors.length; i++) {
      colors[i] = stopColors.get(i);
    }
    float[] positions = new float[stops.size()];
    for (int i = 0; i < positions.length; i++) {
      positions[i] = stops.get(i);
    }

    SvgBrush brush = new SvgBrush(SvgBrush.GradientType
        .LINEAR_GRADIENT, points, positions, colors);
    getSvgComponent().defineBrush(brush, mName);
  }
}
 

public ImmutableDomObject getDomObject() {
  return mDomObj;
}
 

/**
 * layout view
 */
public final void setLayout(ImmutableDomObject domObject) {
  if ( domObject == null || TextUtils.isEmpty(mCurrentRef)) {
    return;
  }

  boolean nullParent = mParent == null;//parent is nullable
  mDomObj = domObject;

  //offset by sibling
  int siblingOffset = nullParent?0:mParent.getChildrenLayoutTopOffset();

  Spacing parentPadding = (nullParent?new Spacing():mParent.getDomObject().getPadding());
  Spacing parentBorder = (nullParent?new Spacing():mParent.getDomObject().getBorder());
  Spacing margin = mDomObj.getMargin();
  int realWidth = (int) mDomObj.getLayoutWidth();
  int realHeight = (int) mDomObj.getLayoutHeight();
  int realLeft = (int) (mDomObj.getLayoutX() - parentPadding.get(Spacing.LEFT) -
                        parentBorder.get(Spacing.LEFT));
  int realTop = (int) (mDomObj.getLayoutY() - parentPadding.get(Spacing.TOP) -
                       parentBorder.get(Spacing.TOP)) + siblingOffset;
  int realRight = (int) margin.get(Spacing.RIGHT);
  int realBottom = (int) margin.get(Spacing.BOTTOM);

  if (mPreRealWidth == realWidth && mPreRealHeight == realHeight && mPreRealLeft == realLeft && mPreRealTop == realTop) {
    return;
  }

  mAbsoluteY = (int) (nullParent?0:mParent.getAbsoluteY() + mDomObj.getLayoutY());
  mAbsoluteX = (int) (nullParent?0:mParent.getAbsoluteX() + mDomObj.getLayoutX());

  //calculate first screen time
  if (!mInstance.mEnd &&!(mHost instanceof ViewGroup) && mAbsoluteY+realHeight > mInstance.getWeexHeight()+1) {
    mInstance.firstScreenRenderFinished();
  }

  if (mHost == null) {
    return;
  }

  MeasureOutput measureOutput = measure(realWidth, realHeight);
  realWidth = measureOutput.width;
  realHeight = measureOutput.height;

  //fixed style
  if (mDomObj.isFixed()) {
    setFixedHostLayoutParams(mHost,realWidth,realHeight,realLeft,realRight,realTop,realBottom);
  }else {
    setHostLayoutParams(mHost, realWidth, realHeight, realLeft, realRight, realTop, realBottom);
  }

  mPreRealWidth = realWidth;
  mPreRealHeight = realHeight;
  mPreRealLeft = realLeft;
  mPreRealTop = realTop;

  onFinishLayout();
}
 

public void updateAttrs(WXComponent component){
  ImmutableDomObject domObject = component.getDomObject();
  if(domObject !=null){
    updateProperties(domObject.getAttrs());
  }
}
 

public void updateStyle(WXComponent component){
  ImmutableDomObject domObject = component.getDomObject();
  if(domObject !=null){
    updateProperties(domObject.getStyles());
  }
}
 

@Override
protected void saveDefinition() {
  if (mName != null) {
    ArrayList<String> points = new ArrayList<String>();
    points.add(mFx);
    points.add(mFy);
    points.add(mRx);
    points.add(mRy);
    points.add(mCx);
    points.add(mCy);

    ArrayList<Integer> stopColors = new ArrayList<>();
    ArrayList<Float> stops = new ArrayList<>();
    for (int i = 0; i < childCount(); i++) {
      if (getChild(i) instanceof WXSvgStop) {
        ImmutableDomObject domObject = getChild(i).getDomObject();
        int color = Color.TRANSPARENT;
        String stopColor = (String) domObject.getAttrs().get("stopColor");
        if (!TextUtils.isEmpty(stopColor) && stopColor.length() > 0) {
          Log.v("WXSvgRadialGradient", "stop color is " + stopColor);
          color = SvgParser.parseColor(stopColor);
        }
        stopColor = (String) domObject.getStyles().get("stopColor");
        if (!TextUtils.isEmpty(stopColor) && stopColor.length() > 0) {
          color = SvgParser.parseColor(stopColor);
        }
        float offset = ParserHelper.fromPercentageToFloat(
            (String) domObject.getAttrs().get("offset"), 1, 0, 1);
        stops.add(offset);
        stopColors.add(color);
      }
    }

    int[] colors = new int[stopColors.size()];
    for (int i = 0; i < colors.length; i++) {
      colors[i] = stopColors.get(i);
    }
    float[] positions = new float[stops.size()];
    for (int i = 0; i < positions.length; i++) {
      positions[i] = stops.get(i);
    }

    SvgBrush brush = new SvgBrush(SvgBrush.GradientType
        .RADIAL_GRADIENT, points, positions, colors);
    getSvgComponent().defineBrush(brush, mName);
  }
}