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.component;
  
  import android.content.Context;
  import android.net.Uri;
  import android.support.annotation.NonNull;
  import android.text.TextUtils;
  import android.view.View;
  
  import org.apache.weex.WXSDKInstance;
  import org.apache.weex.WXSDKManager;
  import org.apache.weex.annotation.Component;
  import org.apache.weex.adapter.URIAdapter;
  import org.apache.weex.annotation.JSMethod;
  import org.apache.weex.common.Constants;
  import org.apache.weex.ui.action.BasicComponentData;
  import org.apache.weex.ui.view.IWebView;
  import org.apache.weex.ui.view.WXWebView;
  import org.apache.weex.utils.WXUtils;
  
  import java.util.HashMap;
  import java.util.Map;
  
  @Component(lazyload = false)
  
  public class WXWeb extends WXComponent {
  
      public static final String GO_BACK = "goBack";
      public static final String GO_FORWARD = "goForward";
      public static final String RELOAD = "reload";
      public static final String POST_MESSAGE = "postMessage";
      protected IWebView mWebView;
  
      @Deprecated
      public WXWeb(WXSDKInstance instance, WXVContainer parent, String instanceId, boolean isLazy, BasicComponentData basicComponentData) {
          this(instance, parent, isLazy, basicComponentData);
      }
  
      public WXWeb(WXSDKInstance instance, WXVContainer parent, boolean isLazy, BasicComponentData basicComponentData) {
          super(instance, parent, isLazy, basicComponentData);
          createWebView();
      }
  
      protected void createWebView(){
          String origin = null;
          try {
              String bundleUrl = WXSDKManager.getInstance().getSDKInstance(getInstanceId()).getBundleUrl();
              Uri uri = Uri.parse(bundleUrl);
              String scheme = uri.getScheme();
              String authority = uri.getAuthority();
              if (!TextUtils.isEmpty(scheme) && !TextUtils.isEmpty(authority)) {
                  origin = scheme + "://" + authority;
              }
          } catch (Exception e) {
              // do noting
          }
          mWebView = new WXWebView(getContext(), origin);
      }
  
      @Override
      protected View initComponentHostView(@NonNull Context context) {
          mWebView.setOnErrorListener(new IWebView.OnErrorListener() {
              @Override
              public void onError(String type, Object message) {
                  fireEvent(type, message);
              }
          });
          mWebView.setOnPageListener(new IWebView.OnPageListener() {
              @Override
              public void onReceivedTitle(String title) {
                  if (getEvents().contains(Constants.Event.RECEIVEDTITLE)) {
                      Map<String, Object> params = new HashMap<>();
                      params.put("title", title);
                      fireEvent(Constants.Event.RECEIVEDTITLE, params);
                  }
              }
  
              @Override
              public void onPageStart(String url) {
                  if (getEvents().contains(Constants.Event.PAGESTART)) {
                      Map<String, Object> params = new HashMap<>();
                      params.put("url", url);
                      fireEvent(Constants.Event.PAGESTART, params);
                  }
              }
  
              @Override
              public void onPageFinish(String url, boolean canGoBack, boolean canGoForward) {
                  if (getEvents().contains(Constants.Event.PAGEFINISH)) {
                      Map<String, Object> params = new HashMap<>();
                      params.put("url", url);
                      params.put("canGoBack", canGoBack);
                      params.put("canGoForward", canGoForward);
                      fireEvent(Constants.Event.PAGEFINISH, params);
                  }
              }
          });
          mWebView.setOnMessageListener(new IWebView.OnMessageListener() {
              @Override
              public void onMessage(Map<String, Object> params) {
                  fireEvent(Constants.Event.ONMESSAGE, params);
              }
          });
          return mWebView.getView();
      }
  
      @Override
      public void destroy() {
          super.destroy();
          getWebView().destroy();
      }
  
      @Override
      protected boolean setProperty(String key, Object param) {
          switch (key) {
              case Constants.Name.SHOW_LOADING:
                  Boolean result = WXUtils.getBoolean(param,null);
                  if (result != null)
                      setShowLoading(result);
                  return true;
              case Constants.Name.SRC:
                  String src = WXUtils.getString(param,null);
                  if (src != null)
                      setUrl(src);
                  return true;
              case Constants.Name.SOURCE:
                  String source = WXUtils.getString(param,null);
                  if (source != null)
                      setSource(source);
                  return true;
          }
          return super.setProperty(key,param);
      }
  
      @WXComponentProp(name = Constants.Name.SHOW_LOADING)
      public void setShowLoading(boolean showLoading) {
          getWebView().setShowLoading(showLoading);
      }
  
      @WXComponentProp(name = Constants.Name.SRC)
      public void setUrl(String url) {
          if (TextUtils.isEmpty(url) || getHostView() == null) {
              return;
          }
          if (!TextUtils.isEmpty(url)) {
              loadUrl(getInstance().rewriteUri(Uri.parse(url), URIAdapter.WEB).toString());
          }
      }
  
      @WXComponentProp(name = Constants.Name.SOURCE)
      public void setSource(String source) {
          if (!TextUtils.isEmpty(source) && getHostView() != null) {
              loadDataWithBaseURL(source);
          }
      }
  
      public void setAction(String action, Object data) {
          if (!TextUtils.isEmpty(action)) {
              if (action.equals(GO_BACK)) {
                  goBack();
              } else if (action.equals(GO_FORWARD)) {
                  goForward();
              } else if (action.equals(RELOAD)) {
                  reload();
              } else if (action.equals(POST_MESSAGE)) {
                  postMessage(data);
              }
          }
      }
  
      private void fireEvent(String type, Object message) {
          if (getEvents().contains(Constants.Event.ERROR)) {
              Map<String, Object> params = new HashMap<>();
              params.put("type", type);
              params.put("errorMsg", message);
              fireEvent(Constants.Event.ERROR, params);
          }
      }
  
      private void loadUrl(String url) {
          getWebView().loadUrl(url);
      }
  
      private void loadDataWithBaseURL(String source) {
          getWebView().loadDataWithBaseURL(source);
      }
  
      @JSMethod
      public void reload() {
          getWebView().reload();
      }
  
      @JSMethod
      public void goForward() {
          getWebView().goForward();
      }
  
      @JSMethod
      public void goBack() {
          getWebView().goBack();
      }
  
      @JSMethod
      public void postMessage(Object msg) {
          getWebView().postMessage(msg);
      }
  
      private IWebView getWebView() {
          return mWebView;
      }
  
  }
  