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.module;
  
  import org.apache.weex.WXSDKManager;
  import org.apache.weex.annotation.JSMethod;
  import org.apache.weex.common.WXModule;
  import org.apache.weex.ui.component.WXComponent;
  import org.apache.weex.ui.component.WXWeb;
  
  public class WXWebViewModule extends WXModule {
  
      private enum Action {
          reload,
          goBack,
          goForward,
          postMessage
      }
  
      @JSMethod(uiThread = true)
      public void goBack(String ref) {
          action(Action.goBack, ref);
      }
  
      @JSMethod(uiThread = true)
      public void goForward(String ref) {
          action(Action.goForward, ref);
      }
  
      @JSMethod(uiThread = true)
      public void reload(String ref) {
          action(Action.reload, ref);
      }
  
      @JSMethod(uiThread = true)
      public void postMessage(String ref, Object msg) {
          action(Action.postMessage, ref, msg);
      }
  
      private void action(Action action, String ref, Object data) {
          WXComponent webComponent =
              WXSDKManager.getInstance()
                  .getWXRenderManager()
                  .getWXComponent(mWXSDKInstance.getInstanceId(), ref);
          if(webComponent instanceof WXWeb) {
              ((WXWeb) webComponent).setAction(action.name(), data);
          }
      }
  
      private void action(Action action, String ref) {
          action(action, ref, null);
      }
  
  }
  