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.cordova.engine;
  
  import android.content.Context;
  import android.util.AttributeSet;
  import android.view.KeyEvent;
  import android.webkit.WebChromeClient;
  import android.webkit.WebView;
  import android.webkit.WebViewClient;
  
  import org.apache.cordova.CordovaInterface;
  import org.apache.cordova.CordovaWebView;
  import org.apache.cordova.CordovaWebViewEngine;
  
  /**
   * Custom WebView subclass that enables us to capture events needed for Cordova.
   */
  public class SystemWebView extends WebView implements CordovaWebViewEngine.EngineView {
      private SystemWebViewClient viewClient;
      SystemWebChromeClient chromeClient;
      private SystemWebViewEngine parentEngine;
      private CordovaInterface cordova;
  
      public SystemWebView(Context context) {
          this(context, null);
      }
  
      public SystemWebView(Context context, AttributeSet attrs) {
          super(context, attrs);
      }
  
      // Package visibility to enforce that only SystemWebViewEngine should call this method.
      void init(SystemWebViewEngine parentEngine, CordovaInterface cordova) {
          this.cordova = cordova;
          this.parentEngine = parentEngine;
          if (this.viewClient == null) {
              setWebViewClient(new SystemWebViewClient(parentEngine));
          }
  
          if (this.chromeClient == null) {
              setWebChromeClient(new SystemWebChromeClient(parentEngine));
          }
      }
  
      @Override
      public CordovaWebView getCordovaWebView() {
          return parentEngine != null ? parentEngine.getCordovaWebView() : null;
      }
  
      @Override
      public void setWebViewClient(WebViewClient client) {
          viewClient = (SystemWebViewClient)client;
          super.setWebViewClient(client);
      }
  
      @Override
      public void setWebChromeClient(WebChromeClient client) {
          chromeClient = (SystemWebChromeClient)client;
          super.setWebChromeClient(client);
      }
  
      @Override
      public boolean dispatchKeyEvent(KeyEvent event) {
          Boolean ret = parentEngine.client.onDispatchKeyEvent(event);
          if (ret != null) {
              return ret.booleanValue();
          }
          return super.dispatchKeyEvent(event);
      }
  }
  