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 java.util.Arrays;
  import android.annotation.TargetApi;
  import android.app.Activity;
  import android.content.Context;
  import android.content.ActivityNotFoundException;
  import android.content.Intent;
  import android.net.Uri;
  import android.os.Build;
  import android.view.Gravity;
  import android.view.View;
  import android.view.ViewGroup.LayoutParams;
  import android.webkit.ConsoleMessage;
  import android.webkit.GeolocationPermissions.Callback;
  import android.webkit.JsPromptResult;
  import android.webkit.JsResult;
  import android.webkit.ValueCallback;
  import android.webkit.WebChromeClient;
  import android.webkit.WebStorage;
  import android.webkit.WebView;
  import android.webkit.PermissionRequest;
  import android.widget.LinearLayout;
  import android.widget.ProgressBar;
  import android.widget.RelativeLayout;
  
  import org.apache.cordova.CordovaDialogsHelper;
  import org.apache.cordova.CordovaPlugin;
  import org.apache.cordova.LOG;
  
  /**
   * This class is the WebChromeClient that implements callbacks for our web view.
   * The kind of callbacks that happen here are on the chrome outside the document,
   * such as onCreateWindow(), onConsoleMessage(), onProgressChanged(), etc. Related
   * to but different than CordovaWebViewClient.
   */
  public class SystemWebChromeClient extends WebChromeClient {
  
      private static final int FILECHOOSER_RESULTCODE = 5173;
      private static final String LOG_TAG = "SystemWebChromeClient";
      private long MAX_QUOTA = 100 * 1024 * 1024;
      protected final SystemWebViewEngine parentEngine;
  
      // the video progress view
      private View mVideoProgressView;
  
      private CordovaDialogsHelper dialogsHelper;
      private Context appContext;
  
      private WebChromeClient.CustomViewCallback mCustomViewCallback;
      private View mCustomView;
  
      public SystemWebChromeClient(SystemWebViewEngine parentEngine) {
          this.parentEngine = parentEngine;
          appContext = parentEngine.webView.getContext();
          dialogsHelper = new CordovaDialogsHelper(appContext);
      }
  
      /**
       * Tell the client to display a javascript alert dialog.
       */
      @Override
      public boolean onJsAlert(WebView view, String url, String message, final JsResult result) {
          dialogsHelper.showAlert(message, new CordovaDialogsHelper.Result() {
              @Override public void gotResult(boolean success, String value) {
                  if (success) {
                      result.confirm();
                  } else {
                      result.cancel();
                  }
              }
          });
          return true;
      }
  
      /**
       * Tell the client to display a confirm dialog to the user.
       */
      @Override
      public boolean onJsConfirm(WebView view, String url, String message, final JsResult result) {
          dialogsHelper.showConfirm(message, new CordovaDialogsHelper.Result() {
              @Override
              public void gotResult(boolean success, String value) {
                  if (success) {
                      result.confirm();
                  } else {
                      result.cancel();
                  }
              }
          });
          return true;
      }
  
      /**
       * Tell the client to display a prompt dialog to the user.
       * If the client returns true, WebView will assume that the client will
       * handle the prompt dialog and call the appropriate JsPromptResult method.
       *
       * Since we are hacking prompts for our own purposes, we should not be using them for
       * this purpose, perhaps we should hack console.log to do this instead!
       */
      @Override
      public boolean onJsPrompt(WebView view, String origin, String message, String defaultValue, final JsPromptResult result) {
          // Unlike the @JavascriptInterface bridge, this method is always called on the UI thread.
          String handledRet = parentEngine.bridge.promptOnJsPrompt(origin, message, defaultValue);
          if (handledRet != null) {
              result.confirm(handledRet);
          } else {
              dialogsHelper.showPrompt(message, defaultValue, new CordovaDialogsHelper.Result() {
                  @Override
                  public void gotResult(boolean success, String value) {
                      if (success) {
                          result.confirm(value);
                      } else {
                          result.cancel();
                      }
                  }
              });
          }
          return true;
      }
  
      /**
       * Handle database quota exceeded notification.
       */
      @Override
      @SuppressWarnings("deprecation")
      public void onExceededDatabaseQuota(String url, String databaseIdentifier, long currentQuota, long estimatedSize,
              long totalUsedQuota, WebStorage.QuotaUpdater quotaUpdater)
      {
          LOG.d(LOG_TAG, "onExceededDatabaseQuota estimatedSize: %d  currentQuota: %d  totalUsedQuota: %d", estimatedSize, currentQuota, totalUsedQuota);
          quotaUpdater.updateQuota(MAX_QUOTA);
      }
  
      @Override
      /**
       * Instructs the client to show a prompt to ask the user to set the Geolocation permission state for the specified origin.
       *
       * This also checks for the Geolocation Plugin and requests permission from the application  to use Geolocation.
       *
       * @param origin
       * @param callback
       */
      public void onGeolocationPermissionsShowPrompt(String origin, Callback callback) {
          super.onGeolocationPermissionsShowPrompt(origin, callback);
          callback.invoke(origin, true, false);
          //Get the plugin, it should be loaded
          CordovaPlugin geolocation = parentEngine.pluginManager.getPlugin("Geolocation");
          if(geolocation != null && !geolocation.hasPermisssion())
          {
              geolocation.requestPermissions(0);
          }
      }
  
      // API level 7 is required for this, see if we could lower this using something else
      @Override
      @SuppressWarnings("deprecation")
      public void onShowCustomView(View view, WebChromeClient.CustomViewCallback callback) {
          parentEngine.getCordovaWebView().showCustomView(view, callback);
      }
  
      @Override
      @SuppressWarnings("deprecation")
      public void onHideCustomView() {
          parentEngine.getCordovaWebView().hideCustomView();
      }
  
      @Override
      /**
       * Ask the host application for a custom progress view to show while
       * a <video> is loading.
       * @return View The progress view.
       */
      public View getVideoLoadingProgressView() {
          if (mVideoProgressView == null) {
              // Create a new Loading view programmatically.
  
              // create the linear layout
              LinearLayout layout = new LinearLayout(parentEngine.getView().getContext());
              layout.setOrientation(LinearLayout.VERTICAL);
              RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
              layoutParams.addRule(RelativeLayout.CENTER_IN_PARENT);
              layout.setLayoutParams(layoutParams);
              // the proress bar
              ProgressBar bar = new ProgressBar(parentEngine.getView().getContext());
              LinearLayout.LayoutParams barLayoutParams = new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
              barLayoutParams.gravity = Gravity.CENTER;
              bar.setLayoutParams(barLayoutParams);
              layout.addView(bar);
  
              mVideoProgressView = layout;
          }
          return mVideoProgressView;
      }
  
      @Override
      public boolean onShowFileChooser(WebView webView, final ValueCallback<Uri[]> filePathsCallback, final WebChromeClient.FileChooserParams fileChooserParams) {
          // Check if multiple-select is specified
          Boolean selectMultiple = false;
          if (fileChooserParams.getMode() == WebChromeClient.FileChooserParams.MODE_OPEN_MULTIPLE) {
              selectMultiple = true;
          }
          Intent intent = fileChooserParams.createIntent();
          intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, selectMultiple);
          
          // Uses Intent.EXTRA_MIME_TYPES to pass multiple mime types.
          String[] acceptTypes = fileChooserParams.getAcceptTypes();
          if (acceptTypes.length > 1) {
              intent.setType("*/*"); // Accept all, filter mime types by Intent.EXTRA_MIME_TYPES.
              intent.putExtra(Intent.EXTRA_MIME_TYPES, acceptTypes);
          }
          try {
              parentEngine.cordova.startActivityForResult(new CordovaPlugin() {
                  @Override
                  public void onActivityResult(int requestCode, int resultCode, Intent intent) {
                      Uri[] result = null;
                      if (resultCode ==  Activity.RESULT_OK && intent != null) {
                          if (intent.getClipData() != null) {
                              // handle multiple-selected files
                              final int numSelectedFiles = intent.getClipData().getItemCount();
                              result = new Uri[numSelectedFiles];
                              for (int i = 0; i < numSelectedFiles; i++) {
                                  result[i] = intent.getClipData().getItemAt(i).getUri();
                                  LOG.d(LOG_TAG, "Receive file chooser URL: " + result[i]);
                              }
                          }
                          else if (intent.getData() != null) {
                              // handle single-selected file
                              result = WebChromeClient.FileChooserParams.parseResult(resultCode, intent);
                              LOG.d(LOG_TAG, "Receive file chooser URL: " + result);
                          }
                      }
                      filePathsCallback.onReceiveValue(result);
                  }
              }, intent, FILECHOOSER_RESULTCODE);
          } catch (ActivityNotFoundException e) {
              LOG.w("No activity found to handle file chooser intent.", e);
              filePathsCallback.onReceiveValue(null);
          }
          return true;
      }
  
      @Override
      public void onPermissionRequest(final PermissionRequest request) {
          LOG.d(LOG_TAG, "onPermissionRequest: " + Arrays.toString(request.getResources()));
          request.grant(request.getResources());
      }
  
      public void destroyLastDialog(){
          dialogsHelper.destroyLastDialog();
      }
  }
  