content: /*
   * Copyright (C) 2012 The Android Open Source Project
   *
   * Licensed 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 com.android.commands.uiautomator;
  
  import android.app.UiAutomation.OnAccessibilityEventListener;
  import android.view.accessibility.AccessibilityEvent;
  
  import com.android.commands.uiautomator.Launcher.Command;
  import com.android.uiautomator.core.UiAutomationShellWrapper;
  
  import java.text.SimpleDateFormat;
  import java.util.Date;
  
  /**
   * Implementation of the events subcommand
   *
   * Prints out accessibility events until process is stopped.
   */
  public class EventsCommand extends Command {
  
      private Object mQuitLock = new Object();
  
      public EventsCommand() {
          super("events");
      }
  
      @Override
      public String shortHelp() {
          return "prints out accessibility events until terminated";
      }
  
      @Override
      public String detailedOptions() {
          return null;
      }
  
      @Override
      public void run(String[] args) {
          UiAutomationShellWrapper automationWrapper = new UiAutomationShellWrapper();
          automationWrapper.connect();
          automationWrapper.getUiAutomation().setOnAccessibilityEventListener(
                  new OnAccessibilityEventListener() {
              @Override
              public void onAccessibilityEvent(AccessibilityEvent event) {
                  SimpleDateFormat formatter = new SimpleDateFormat("MM-dd HH:mm:ss.SSS");
                  System.out.println(String.format("%s %s",
                          formatter.format(new Date()), event.toString()));
              }
          });
          // there's really no way to stop, essentially we just block indefinitely here and wait
          // for user to press Ctrl+C
          synchronized (mQuitLock) {
              try {
                  mQuitLock.wait();
              } catch (InterruptedException e) {
                  e.printStackTrace();
              }
          }
          automationWrapper.disconnect();
      }
  }
  