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.ui.flat.widget;
  
  
  import android.graphics.Canvas;
  import android.support.annotation.NonNull;
  import android.support.annotation.Nullable;
  import android.support.annotation.RestrictTo;
  import android.support.annotation.RestrictTo.Scope;
  import android.view.View;
  
  import org.apache.weex.common.Destroyable;
  import org.apache.weex.ui.flat.FlatGUIContext;
  
  @RestrictTo(Scope.LIBRARY)
  public class AndroidViewWidget extends BaseWidget implements Destroyable {
  
    private @Nullable
    View mView;
  
    public AndroidViewWidget(@NonNull FlatGUIContext context) {
      super(context);
    }
  
    public void setContentView(@Nullable View view) {
      this.mView = view;
    }
  
    @Override
    public void setContentBox(int leftOffset, int topOffset, int rightOffset, int bottomOffset) {
      if (mView != null) {
        mView.setPadding(leftOffset, topOffset, rightOffset, bottomOffset);
        invalidate();
      }
    }
  
    @Override
    public void onDraw(@NonNull Canvas canvas) {
      if (mView != null) {
        mView.draw(canvas);
      }
    }
  
    @Override
    public void invalidate() {
      super.invalidate();
      if (mView != null) {
        mView.invalidate();
      }
    }
  
    public @Nullable
    View getView() {
      return mView;
    }
  
    @Override
    public void destroy() {
      if (mView != null) {
        mView = null;
      }
    }
  }
  