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;
  import android.graphics.Point;
  import android.hardware.display.DisplayManagerGlobal;
  import android.os.Environment;
  import android.view.Display;
  import android.view.accessibility.AccessibilityNodeInfo;
  
  import com.android.commands.uiautomator.Launcher.Command;
  import com.android.uiautomator.core.AccessibilityNodeInfoDumper;
  import com.android.uiautomator.core.UiAutomationShellWrapper;
  
  import java.io.File;
  import java.util.concurrent.TimeoutException;
  
  /**
   * Implementation of the dump subcommand
   *
   * This creates an XML dump of current UI hierarchy
   */
  public class DumpCommand extends Command {
  
      private static final File DEFAULT_DUMP_FILE = new File(
              Environment.getLegacyExternalStorageDirectory(), "window_dump.xml");
  
      public DumpCommand() {
          super("dump");
      }
  
      @Override
      public String shortHelp() {
          return "creates an XML dump of current UI hierarchy";
      }
  
      @Override
      public String detailedOptions() {
          return "    dump [--verbose][file]\n"
              + "      [--compressed]: dumps compressed layout information.\n"
              + "      [file]: the location where the dumped XML should be stored, default is\n      "
              + DEFAULT_DUMP_FILE.getAbsolutePath() + "\n";
      }
  
      @Override
      public void run(String[] args) {
          File dumpFile = DEFAULT_DUMP_FILE;
          boolean verboseMode = true;
  
          for (String arg : args) {
              if (arg.equals("--compressed"))
                  verboseMode = false;
              else if (!arg.startsWith("-")) {
                  dumpFile = new File(arg);
              }
          }
  
          UiAutomationShellWrapper automationWrapper = new UiAutomationShellWrapper();
          automationWrapper.connect();
          if (verboseMode) {
              // default
              automationWrapper.setCompressedLayoutHierarchy(false);
          } else {
              automationWrapper.setCompressedLayoutHierarchy(true);
          }
  
          // It appears that the bridge needs time to be ready. Making calls to the
          // bridge immediately after connecting seems to cause exceptions. So let's also
          // do a wait for idle in case the app is busy.
          try {
              UiAutomation uiAutomation = automationWrapper.getUiAutomation();
              uiAutomation.waitForIdle(1000, 1000 * 10);
              AccessibilityNodeInfo info = uiAutomation.getRootInActiveWindow();
              if (info == null) {
                  System.err.println("ERROR: null root node returned by UiTestAutomationBridge.");
                  return;
              }
  
              Display display =
                      DisplayManagerGlobal.getInstance().getRealDisplay(Display.DEFAULT_DISPLAY);
              int rotation = display.getRotation();
              Point size = new Point();
              display.getSize(size);
              AccessibilityNodeInfoDumper.dumpWindowToFile(info, dumpFile, rotation, size.x, size.y);
          } catch (TimeoutException re) {
              System.err.println("ERROR: could not get idle state.");
              return;
          } finally {
              automationWrapper.disconnect();
          }
          System.out.println(
                  String.format("UI hierchary dumped to: %s", dumpFile.getAbsolutePath()));
      }
  }
  