extensions/gdx-controllers/gdx-controllers-android/src/com/badlogic/gdx/controllers/android/AndroidControllers.java

   1 package com.badlogic.gdx.controllers.android;\r
   2 \r
   3 import android.content.Context;\r
   4 import android.hardware.input.InputManager;\r
   5 import android.hardware.input.InputManager.InputDeviceListener;\r
   6 import android.view.InputDevice;\r
   7 import android.view.KeyEvent;\r
   8 import android.view.MotionEvent;\r
   9 import android.view.View;\r
  10 import android.view.View.OnKeyListener;\r
  11 import android.view.View.OnGenericMotionListener;\r
  12 \r
  13 import com.badlogic.gdx.Gdx;\r
  14 import com.badlogic.gdx.backends.android.AndroidApplication;\r
  15 import com.badlogic.gdx.backends.android.AndroidInput;\r
  16 import com.badlogic.gdx.backends.android.AndroidInput.PauseResumeListener;\r
  17 import com.badlogic.gdx.backends.android.AndroidInputThreePlus;\r
  18 import com.badlogic.gdx.controllers.Controller;\r
  19 import com.badlogic.gdx.controllers.ControllerListener;\r
  20 import com.badlogic.gdx.controllers.ControllerManager;\r
  21 import com.badlogic.gdx.utils.Array;\r
  22 import com.badlogic.gdx.utils.IntMap;\r
  23 import com.badlogic.gdx.utils.IntMap.Entry;\r
  24 import com.badlogic.gdx.utils.Pool;\r
  25 \r
  26 public class AndroidControllers implements PauseResumeListener, InputDeviceListener, ControllerManager, OnKeyListener, OnGenericMotionListener {\r
  27         private final static String TAG = "AndroidControllers";\r
  28         private final InputManager inputManager;\r
  29         private final IntMap<AndroidController> controllerMap = new IntMap<AndroidController>();\r
  30         private final Array<Controller> controllers = new Array<Controller>();\r
  31         private final Array<ControllerListener> listeners = new Array<ControllerListener>();\r
  32         private final Array<AndroidControllerEvent> eventQueue = new Array<AndroidControllerEvent>();\r
  33         private final Pool<AndroidControllerEvent> eventPool = new Pool<AndroidControllerEvent>() {\r
  34                 @Override\r
  35                 protected AndroidControllerEvent newObject () {\r
  36                         return new AndroidControllerEvent();\r
  37                 }\r
  38         };\r
  39         \r
  40         public AndroidControllers() {\r
  41                 this.inputManager = (InputManager)((Context)Gdx.app).getSystemService(Context.INPUT_SERVICE);\r
  42                 \r
  43                 // register this instance with pause/resume events and call\r
  44                 // resume so that the currently attached devices are initialized\r
  45                 ((AndroidInput)Gdx.input).addPauseResumeListener(this);\r
  46                 resume();\r
  47                 setupEventQueue();\r
  48                 ((AndroidInput)Gdx.input).addKeyListener(this);\r
  49                 ((AndroidInputThreePlus)Gdx.input).addGenericMotionListener(this);\r
  50                 Gdx.app.log(TAG, "controllers: " + inputManager.getInputDeviceIds().length);\r
  51         }\r
  52         \r
  53         private void setupEventQueue() {\r
  54                 new Runnable() {\r
  55                         @Override\r
  56                         public void run () {\r
  57                                 synchronized(eventQueue) {\r
  58                                         for(AndroidControllerEvent event: eventQueue) {\r
  59                                                 \r
  60                                         }\r
  61                                         eventPool.freeAll(eventQueue);\r
  62                                         eventPool.clear();\r
  63                                 }\r
  64                                 Gdx.app.postRunnable(this);\r
  65                         }\r
  66                 }.run();\r
  67         }\r
  68         \r
  69         @Override\r
  70         public boolean onGenericMotion (View view, MotionEvent motionEvent) {\r
  71                 AndroidController controller = controllerMap.get(motionEvent.getDeviceId());\r
  72                 if(controller != null) {\r
  73                         synchronized(eventQueue) {\r
  74                                 AndroidControllerEvent event = eventPool.obtain();\r
  75                         }\r
  76                         return true;\r
  77                 }\r
  78                 return false;\r
  79         }\r
  80 \r
  81         @Override\r
  82         public boolean onKey (View view, int keyCode, KeyEvent keyEvent) {\r
  83                 AndroidController controller = controllerMap.get(keyEvent.getDeviceId());\r
  84                 if(controller != null) {\r
  85                         synchronized(eventQueue) {\r
  86                                 AndroidControllerEvent event = eventPool.obtain();\r
  87                                 event.controller = controller;\r
  88                                 if(keyEvent.getAction() == KeyEvent.ACTION_DOWN) {\r
  89                                         event.type = AndroidControllerEvent.BUTTON_DOWN;\r
  90                                 } else {\r
  91                                         event.type = AndroidControllerEvent.BUTTON_UP;\r
  92                                 }\r
  93                                 event.code = keyCode;\r
  94                                 eventQueue.add(event);\r
  95                         }\r
  96                         return true;\r
  97                 } else {\r
  98                         return false;\r
  99                 }\r
 100         }\r
 101         \r
 102         private void addController(int deviceId) {\r
 103                 InputDevice device = inputManager.getInputDevice(deviceId);\r
 104                 if(!isController(device)) return;\r
 105                 String name = device.getName();\r
 106                 AndroidController controller = new AndroidController(deviceId, name);\r
 107                 controllerMap.put(deviceId, controller);\r
 108                 synchronized(eventQueue) {\r
 109                         AndroidControllerEvent event = eventPool.obtain();\r
 110                         event.type = AndroidControllerEvent.CONNECTED;\r
 111                         event.controller = controller;\r
 112                         eventQueue.add(event);\r
 113                 }\r
 114         }\r
 115         \r
 116         private void removeController(int deviceId) {\r
 117                 AndroidController controller = controllerMap.remove(deviceId);\r
 118                 if(controller != null) {\r
 119                         synchronized(eventQueue) {\r
 120                                 AndroidControllerEvent event = eventPool.obtain();\r
 121                                 event.type = AndroidControllerEvent.DISCONNECTED;\r
 122                                 event.controller = controller;\r
 123                                 eventQueue.add(event);\r
 124                         }\r
 125                 }\r
 126         }\r
 127         \r
 128         private boolean isController(InputDevice device) {\r
 129                 return ((device.getSources() & InputDevice.SOURCE_GAMEPAD) | \r
 130                                  (device.getSources() & InputDevice.SOURCE_JOYSTICK)) != 0;\r
 131         }\r
 132         \r
 133         @Override\r
 134         public void resume () {\r
 135                 inputManager.registerInputDeviceListener(this, ((AndroidApplication)Gdx.app).handler);\r
 136                 \r
 137                 // gather all joysticks and gamepads, remove any disconnected ones\r
 138                 IntMap<AndroidController> removedControllers = new IntMap<AndroidController>();\r
 139                 removedControllers.putAll(controllerMap);\r
 140                 \r
 141                 for(int deviceId: inputManager.getInputDeviceIds()) {\r
 142                         InputDevice device = inputManager.getInputDevice(deviceId);\r
 143                         AndroidController controller = controllerMap.get(deviceId);\r
 144                         if(controller != null) {\r
 145                                 removedControllers.remove(deviceId);\r
 146                         } else {\r
 147                                 addController(deviceId);\r
 148                         }\r
 149                 }\r
 150                 \r
 151                 for(Entry<AndroidController> entry: removedControllers.entries()) {\r
 152                         removeController(entry.key);\r
 153                 }\r
 154         }\r
 155         \r
 156         @Override\r
 157         public void pause () {\r
 158                 inputManager.unregisterInputDeviceListener(this);\r
 159                 Gdx.app.log(TAG, "controllers paused");\r
 160         }\r
 161         \r
 162         @Override\r
 163         public void onInputDeviceAdded (int deviceId) {\r
 164                 addController(deviceId);\r
 165                 Gdx.app.log(TAG, "device " + deviceId + " added");\r
 166         }\r
 167 \r
 168         @Override\r
 169         public void onInputDeviceRemoved (int deviceId) {\r
 170                 removeController(deviceId);\r
 171                 Gdx.app.log(TAG, "device " + deviceId + " removed");\r
 172         }\r
 173         \r
 174         @Override\r
 175         public void onInputDeviceChanged (int deviceId) {\r
 176         }\r
 177 \r
 178         @Override\r
 179         public Array<Controller> getControllers () {\r
 180                 return controllers;\r
 181         }\r
 182 \r
 183         @Override\r
 184         public void addListener (ControllerListener listener) {\r
 185                 synchronized(eventQueue) {\r
 186                         listeners.add(listener);\r
 187                 }\r
 188         }\r
 189 \r
 190         @Override\r
 191         public void removeListener (ControllerListener listener) {\r
 192                 synchronized(eventQueue) {\r
 193                         listeners.removeValue(listener, true);\r
 194                 }\r
 195         }\r
 196 }\r