content: /*
   * Copyright (C) 2008 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.svc;
  
  import android.content.Context;
  import android.hardware.usb.IUsbManager;
  import android.hardware.usb.UsbManager;
  import android.os.RemoteException;
  import android.os.ServiceManager;
  
  public class UsbCommand extends Svc.Command {
      public UsbCommand() {
          super("usb");
      }
  
      @Override
      public String shortHelp() {
          return "Control Usb state";
      }
  
      @Override
      public String longHelp() {
          return shortHelp() + "\n"
                  + "\n"
                  + "usage: svc usb setFunctions [function]\n"
                  + "         Set the current usb function. If function is blank, sets to charging.\n"
                  + "       svc usb setScreenUnlockedFunctions [function]\n"
                  + "         Sets the functions which, if the device was charging, become current on"
                      + "screen unlock. If function is blank, turn off this feature.\n"
                  + "       svc usb getFunctions\n"
                  + "          Gets the list of currently enabled functions\n\n"
                  + "possible values of [function] are any of 'mtp', 'ptp', 'rndis', 'midi'\n";
      }
  
      @Override
      public void run(String[] args) {
          if (args.length >= 2) {
              IUsbManager usbMgr = IUsbManager.Stub.asInterface(ServiceManager.getService(
                      Context.USB_SERVICE));
              if ("setFunctions".equals(args[1])) {
                  try {
                      usbMgr.setCurrentFunctions(UsbManager.usbFunctionsFromString(
                              args.length >= 3 ? args[2] : ""));
                  } catch (RemoteException e) {
                      System.err.println("Error communicating with UsbManager: " + e);
                  }
                  return;
              } else if ("getFunctions".equals(args[1])) {
                  try {
                      System.err.println(
                              UsbManager.usbFunctionsToString(usbMgr.getCurrentFunctions()));
                  } catch (RemoteException e) {
                      System.err.println("Error communicating with UsbManager: " + e);
                  }
                  return;
              } else if ("setScreenUnlockedFunctions".equals(args[1])) {
                  try {
                      usbMgr.setScreenUnlockedFunctions(UsbManager.usbFunctionsFromString(
                              args.length >= 3 ? args[2] : ""));
                  } catch (RemoteException e) {
                      System.err.println("Error communicating with UsbManager: " + e);
                  }
                  return;
              }
          }
          System.err.println(longHelp());
      }
  }
  