content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   * 
   *   http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  package org.apache.weex.utils;
  
  import android.support.annotation.NonNull;
  import org.apache.weex.dom.CSSConstants;
  import org.apache.weex.dom.CSSShorthand.EDGE;
  import org.apache.weex.ui.component.WXComponent;
  import org.apache.weex.dom.CSSShorthand;
  
  public class WXDomUtils {
  
    /**
     * 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(WXComponent component) {
      float rawWidth = component.getLayoutWidth();
      float leftPadding, rightPadding, leftBorder, rightBorder;
      CSSShorthand padding = component.getPadding();
      CSSShorthand border = component.getBorder();
  
      if (!CSSConstants.isUndefined((leftPadding = padding.get(CSSShorthand.EDGE.LEFT)))) {
        rawWidth -= leftPadding;
      }
      if (!CSSConstants.isUndefined((rightPadding = padding.get(CSSShorthand.EDGE.RIGHT)))) {
        rawWidth -= rightPadding;
      }
  
      if (!CSSConstants.isUndefined(leftBorder = border.get(CSSShorthand.EDGE.LEFT))) {
        rawWidth -= leftBorder;
      }
      if (!CSSConstants.isUndefined(rightBorder = border.get(CSSShorthand.EDGE.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(WXComponent component) {
      float rawHeight = component.getLayoutHeight();
      float topPadding, bottomPadding, topBorder, bottomBorder;
      CSSShorthand padding = component.getPadding();
      CSSShorthand border = component.getBorder();
  
      if (!CSSConstants.isUndefined((topPadding = padding.get(CSSShorthand.EDGE.TOP)))) {
        rawHeight -= topPadding;
      }
      if (!CSSConstants.isUndefined((bottomPadding = padding.get(CSSShorthand.EDGE.BOTTOM)))) {
        rawHeight -= bottomPadding;
      }
  
      if (!CSSConstants.isUndefined(topBorder = border.get(CSSShorthand.EDGE.TOP))) {
        rawHeight -= topBorder;
      }
      if (!CSSConstants.isUndefined(bottomBorder = border.get(CSSShorthand.EDGE.BOTTOM))) {
        rawHeight -= bottomBorder;
      }
      return rawHeight;
    }
  
    public static float getContentWidth(
        @NonNull CSSShorthand padding,
        @NonNull CSSShorthand border,
        float layoutWidth){
      float leftPadding, rightPadding, leftBorder, rightBorder;
  
      if (!CSSConstants.isUndefined((leftPadding = padding.get(EDGE.LEFT)))) {
        layoutWidth -= leftPadding;
      }
      if (!CSSConstants.isUndefined((rightPadding = padding.get(EDGE.RIGHT)))) {
        layoutWidth -= rightPadding;
      }
  
      if (!CSSConstants.isUndefined(leftBorder = border.get(EDGE.LEFT))) {
        layoutWidth -= leftBorder;
      }
      if (!CSSConstants.isUndefined(rightBorder = border.get(EDGE.RIGHT))) {
        layoutWidth -= rightBorder;
      }
      return layoutWidth;
    }
  }
  