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.layout;
  
  import android.support.annotation.NonNull;
  import android.support.annotation.Nullable;
  import org.apache.weex.base.CalledByNative;
  import org.apache.weex.common.Destroyable;
  import org.apache.weex.ui.component.WXComponent;
  
  import java.io.Serializable;
  
  public abstract class ContentBoxMeasurement implements Serializable, Destroyable {
  
    @Nullable
    protected WXComponent mComponent;
  
    protected float mMeasureWidth;
  
    protected float mMeasureHeight;
  
    public ContentBoxMeasurement() {
      mComponent = null;
    }
  
    public ContentBoxMeasurement(@NonNull WXComponent component) {
      this.mComponent = component;
    }
  
    /** uiThread = false **/
    @CalledByNative
    public final void measure(float width, float height, int widthMeasureMode, int heightMeasureMode) {
      measureInternal(width, height, widthMeasureMode, heightMeasureMode);
    }
  
    /** uiThread = false **/
    public abstract void measureInternal(float width, float height, int widthMeasureMode, int heightMeasureMode);
  
    /** uiThread = false **/
    @CalledByNative
    public abstract void layoutBefore();
  
    /** uiThread = false **/
    @CalledByNative
    public abstract void layoutAfter(float computedWidth, float computedHeight);
  
    @CalledByNative
    public float getWidth() {
      return mMeasureWidth;
    }
  
    @CalledByNative
    public float getHeight() {
      return mMeasureHeight;
    }
  
    @Override
    public void destroy() {
      mComponent = null;
    }
  }
  