The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server; |
| 18 | |
| 19 | import android.content.Context; |
| 20 | import android.content.res.Configuration; |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 21 | import android.os.LatencyTimer; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 22 | import android.os.PowerManager; |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 23 | import android.os.SystemClock; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 24 | import android.util.Log; |
| 25 | import android.util.SparseArray; |
| 26 | import android.view.Display; |
| 27 | import android.view.KeyEvent; |
| 28 | import android.view.MotionEvent; |
| 29 | import android.view.RawInputEvent; |
| 30 | import android.view.Surface; |
| 31 | import android.view.WindowManagerPolicy; |
| 32 | |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame^] | 33 | import java.io.BufferedReader; |
| 34 | import java.io.FileInputStream; |
| 35 | import java.io.FileNotFoundException; |
| 36 | import java.io.IOException; |
| 37 | import java.io.InputStreamReader; |
| 38 | import java.util.ArrayList; |
| 39 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 40 | public abstract class KeyInputQueue { |
| 41 | static final String TAG = "KeyInputQueue"; |
| 42 | |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame^] | 43 | static final boolean DEBUG_VIRTUAL_KEYS = false; |
| 44 | |
| 45 | final SparseArray<InputDevice> mDevices = new SparseArray<InputDevice>(); |
| 46 | final ArrayList<VirtualKey> mVirtualKeys = new ArrayList<VirtualKey>(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | |
| 48 | int mGlobalMetaState = 0; |
| 49 | boolean mHaveGlobalMetaState = false; |
| 50 | |
| 51 | final QueuedEvent mFirst; |
| 52 | final QueuedEvent mLast; |
| 53 | QueuedEvent mCache; |
| 54 | int mCacheCount; |
| 55 | |
| 56 | Display mDisplay = null; |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame^] | 57 | int mDisplayWidth; |
| 58 | int mDisplayHeight; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 59 | |
| 60 | int mOrientation = Surface.ROTATION_0; |
| 61 | int[] mKeyRotationMap = null; |
| 62 | |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame^] | 63 | VirtualKey mPressedVirtualKey = null; |
| 64 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 65 | PowerManager.WakeLock mWakeLock; |
| 66 | |
| 67 | static final int[] KEY_90_MAP = new int[] { |
| 68 | KeyEvent.KEYCODE_DPAD_DOWN, KeyEvent.KEYCODE_DPAD_RIGHT, |
| 69 | KeyEvent.KEYCODE_DPAD_RIGHT, KeyEvent.KEYCODE_DPAD_UP, |
| 70 | KeyEvent.KEYCODE_DPAD_UP, KeyEvent.KEYCODE_DPAD_LEFT, |
| 71 | KeyEvent.KEYCODE_DPAD_LEFT, KeyEvent.KEYCODE_DPAD_DOWN, |
| 72 | }; |
| 73 | |
| 74 | static final int[] KEY_180_MAP = new int[] { |
| 75 | KeyEvent.KEYCODE_DPAD_DOWN, KeyEvent.KEYCODE_DPAD_UP, |
| 76 | KeyEvent.KEYCODE_DPAD_RIGHT, KeyEvent.KEYCODE_DPAD_LEFT, |
| 77 | KeyEvent.KEYCODE_DPAD_UP, KeyEvent.KEYCODE_DPAD_DOWN, |
| 78 | KeyEvent.KEYCODE_DPAD_LEFT, KeyEvent.KEYCODE_DPAD_RIGHT, |
| 79 | }; |
| 80 | |
| 81 | static final int[] KEY_270_MAP = new int[] { |
| 82 | KeyEvent.KEYCODE_DPAD_DOWN, KeyEvent.KEYCODE_DPAD_LEFT, |
| 83 | KeyEvent.KEYCODE_DPAD_LEFT, KeyEvent.KEYCODE_DPAD_UP, |
| 84 | KeyEvent.KEYCODE_DPAD_UP, KeyEvent.KEYCODE_DPAD_RIGHT, |
| 85 | KeyEvent.KEYCODE_DPAD_RIGHT, KeyEvent.KEYCODE_DPAD_DOWN, |
| 86 | }; |
| 87 | |
| 88 | public static final int FILTER_REMOVE = 0; |
| 89 | public static final int FILTER_KEEP = 1; |
| 90 | public static final int FILTER_ABORT = -1; |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 91 | |
| 92 | private static final boolean MEASURE_LATENCY = false; |
| 93 | private LatencyTimer lt; |
| 94 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 95 | public interface FilterCallback { |
| 96 | int filterEvent(QueuedEvent ev); |
| 97 | } |
| 98 | |
| 99 | static class QueuedEvent { |
| 100 | InputDevice inputDevice; |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 101 | long whenNano; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 102 | int flags; // From the raw event |
| 103 | int classType; // One of the class constants in InputEvent |
| 104 | Object event; |
| 105 | boolean inQueue; |
| 106 | |
| 107 | void copyFrom(QueuedEvent that) { |
| 108 | this.inputDevice = that.inputDevice; |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 109 | this.whenNano = that.whenNano; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 110 | this.flags = that.flags; |
| 111 | this.classType = that.classType; |
| 112 | this.event = that.event; |
| 113 | } |
| 114 | |
| 115 | @Override |
| 116 | public String toString() { |
| 117 | return "QueuedEvent{" |
| 118 | + Integer.toHexString(System.identityHashCode(this)) |
| 119 | + " " + event + "}"; |
| 120 | } |
| 121 | |
| 122 | // not copied |
| 123 | QueuedEvent prev; |
| 124 | QueuedEvent next; |
| 125 | } |
| 126 | |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame^] | 127 | /** |
| 128 | * A key that exists as a part of the touch-screen, outside of the normal |
| 129 | * display area of the screen. |
| 130 | */ |
| 131 | static class VirtualKey { |
| 132 | int scancode; |
| 133 | int centerx; |
| 134 | int centery; |
| 135 | int width; |
| 136 | int height; |
| 137 | |
| 138 | int hitLeft; |
| 139 | int hitTop; |
| 140 | int hitRight; |
| 141 | int hitBottom; |
| 142 | |
| 143 | InputDevice lastDevice; |
| 144 | int lastKeycode; |
| 145 | |
| 146 | boolean checkHit(int x, int y) { |
| 147 | return (x >= hitLeft && x <= hitRight |
| 148 | && y >= hitTop && y <= hitBottom); |
| 149 | } |
| 150 | |
| 151 | void computeHitRect(InputDevice dev, int dw, int dh) { |
| 152 | if (dev == lastDevice) { |
| 153 | return; |
| 154 | } |
| 155 | |
| 156 | if (DEBUG_VIRTUAL_KEYS) Log.v(TAG, "computeHitRect for " + scancode |
| 157 | + ": dev=" + dev + " absX=" + dev.absX + " absY=" + dev.absY); |
| 158 | |
| 159 | lastDevice = dev; |
| 160 | |
| 161 | int minx = dev.absX.minValue; |
| 162 | int maxx = dev.absX.maxValue; |
| 163 | |
| 164 | int halfw = width/2; |
| 165 | int left = centerx - halfw; |
| 166 | int right = centerx + halfw; |
| 167 | hitLeft = minx + ((left*maxx-minx)/dw); |
| 168 | hitRight = minx + ((right*maxx-minx)/dw); |
| 169 | |
| 170 | int miny = dev.absY.minValue; |
| 171 | int maxy = dev.absY.maxValue; |
| 172 | |
| 173 | int halfh = height/2; |
| 174 | int top = centery - halfh; |
| 175 | int bottom = centery + halfh; |
| 176 | hitTop = miny + ((top*maxy-miny)/dh); |
| 177 | hitBottom = miny + ((bottom*maxy-miny)/dh); |
| 178 | } |
| 179 | } |
| 180 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 181 | KeyInputQueue(Context context) { |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 182 | if (MEASURE_LATENCY) { |
| 183 | lt = new LatencyTimer(100, 1000); |
| 184 | } |
| 185 | |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame^] | 186 | try { |
| 187 | FileInputStream fis = new FileInputStream( |
| 188 | "/sys/board_properties/virtualkeys.synaptics-rmi-touchscreen"); |
| 189 | InputStreamReader isr = new InputStreamReader(fis); |
| 190 | BufferedReader br = new BufferedReader(isr); |
| 191 | String str = br.readLine(); |
| 192 | if (str != null) { |
| 193 | String[] it = str.split(":"); |
| 194 | if (DEBUG_VIRTUAL_KEYS) Log.v(TAG, "***** VIRTUAL KEYS: " + it); |
| 195 | final int N = it.length-6; |
| 196 | for (int i=0; i<=N; i+=6) { |
| 197 | if (!"0x01".equals(it[i])) { |
| 198 | Log.w(TAG, "Unknown virtual key type at elem #" + i |
| 199 | + ": " + it[i]); |
| 200 | continue; |
| 201 | } |
| 202 | try { |
| 203 | VirtualKey sb = new VirtualKey(); |
| 204 | sb.scancode = Integer.parseInt(it[i+1]); |
| 205 | sb.centerx = Integer.parseInt(it[i+2]); |
| 206 | sb.centery = Integer.parseInt(it[i+3]); |
| 207 | sb.width = Integer.parseInt(it[i+4]); |
| 208 | sb.height = Integer.parseInt(it[i+5]); |
| 209 | if (DEBUG_VIRTUAL_KEYS) Log.v(TAG, "Virtual key " |
| 210 | + sb.scancode + ": center=" + sb.centerx + "," |
| 211 | + sb.centery + " size=" + sb.width + "x" |
| 212 | + sb.height); |
| 213 | mVirtualKeys.add(sb); |
| 214 | } catch (NumberFormatException e) { |
| 215 | Log.w(TAG, "Bad number at region " + i + " in: " |
| 216 | + str, e); |
| 217 | } |
| 218 | } |
| 219 | } |
| 220 | br.close(); |
| 221 | } catch (FileNotFoundException e) { |
| 222 | Log.i(TAG, "No virtual keys found"); |
| 223 | } catch (IOException e) { |
| 224 | Log.w(TAG, "Error reading virtual keys", e); |
| 225 | } |
| 226 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 227 | PowerManager pm = (PowerManager)context.getSystemService( |
| 228 | Context.POWER_SERVICE); |
| 229 | mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, |
| 230 | "KeyInputQueue"); |
| 231 | mWakeLock.setReferenceCounted(false); |
| 232 | |
| 233 | mFirst = new QueuedEvent(); |
| 234 | mLast = new QueuedEvent(); |
| 235 | mFirst.next = mLast; |
| 236 | mLast.prev = mFirst; |
| 237 | |
| 238 | mThread.start(); |
| 239 | } |
| 240 | |
| 241 | public void setDisplay(Display display) { |
| 242 | mDisplay = display; |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame^] | 243 | |
| 244 | // We assume at this point that the display dimensions reflect the |
| 245 | // natural, unrotated display. We will perform hit tests for soft |
| 246 | // buttons based on that display. |
| 247 | mDisplayWidth = display.getWidth(); |
| 248 | mDisplayHeight = display.getHeight(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 249 | } |
| 250 | |
| 251 | public void getInputConfiguration(Configuration config) { |
| 252 | synchronized (mFirst) { |
| 253 | config.touchscreen = Configuration.TOUCHSCREEN_NOTOUCH; |
| 254 | config.keyboard = Configuration.KEYBOARD_NOKEYS; |
| 255 | config.navigation = Configuration.NAVIGATION_NONAV; |
| 256 | |
| 257 | final int N = mDevices.size(); |
| 258 | for (int i=0; i<N; i++) { |
| 259 | InputDevice d = mDevices.valueAt(i); |
| 260 | if (d != null) { |
| 261 | if ((d.classes&RawInputEvent.CLASS_TOUCHSCREEN) != 0) { |
| 262 | config.touchscreen |
| 263 | = Configuration.TOUCHSCREEN_FINGER; |
| 264 | //Log.i("foo", "***** HAVE TOUCHSCREEN!"); |
| 265 | } |
| 266 | if ((d.classes&RawInputEvent.CLASS_ALPHAKEY) != 0) { |
| 267 | config.keyboard |
| 268 | = Configuration.KEYBOARD_QWERTY; |
| 269 | //Log.i("foo", "***** HAVE QWERTY!"); |
| 270 | } |
| 271 | if ((d.classes&RawInputEvent.CLASS_TRACKBALL) != 0) { |
| 272 | config.navigation |
| 273 | = Configuration.NAVIGATION_TRACKBALL; |
| 274 | //Log.i("foo", "***** HAVE TRACKBALL!"); |
| 275 | } |
| 276 | } |
| 277 | } |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | public static native String getDeviceName(int deviceId); |
| 282 | public static native int getDeviceClasses(int deviceId); |
| 283 | public static native boolean getAbsoluteInfo(int deviceId, int axis, |
| 284 | InputDevice.AbsoluteInfo outInfo); |
| 285 | public static native int getSwitchState(int sw); |
| 286 | public static native int getSwitchState(int deviceId, int sw); |
| 287 | public static native int getScancodeState(int sw); |
| 288 | public static native int getScancodeState(int deviceId, int sw); |
| 289 | public static native int getKeycodeState(int sw); |
| 290 | public static native int getKeycodeState(int deviceId, int sw); |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame^] | 291 | public static native int scancodeToKeycode(int deviceId, int scancode); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 292 | public static native boolean hasKeys(int[] keycodes, boolean[] keyExists); |
| 293 | |
| 294 | public static KeyEvent newKeyEvent(InputDevice device, long downTime, |
| 295 | long eventTime, boolean down, int keycode, int repeatCount, |
| 296 | int scancode, int flags) { |
| 297 | return new KeyEvent( |
| 298 | downTime, eventTime, |
| 299 | down ? KeyEvent.ACTION_DOWN : KeyEvent.ACTION_UP, |
| 300 | keycode, repeatCount, |
| 301 | device != null ? device.mMetaKeysState : 0, |
| 302 | device != null ? device.id : -1, scancode, |
The Android Open Source Project | 1059253 | 2009-03-18 17:39:46 -0700 | [diff] [blame] | 303 | flags | KeyEvent.FLAG_FROM_SYSTEM); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 304 | } |
| 305 | |
| 306 | Thread mThread = new Thread("InputDeviceReader") { |
| 307 | public void run() { |
| 308 | android.os.Process.setThreadPriority( |
| 309 | android.os.Process.THREAD_PRIORITY_URGENT_DISPLAY); |
| 310 | |
| 311 | try { |
| 312 | RawInputEvent ev = new RawInputEvent(); |
| 313 | while (true) { |
| 314 | InputDevice di; |
| 315 | |
| 316 | // block, doesn't release the monitor |
| 317 | readEvent(ev); |
| 318 | |
| 319 | boolean send = false; |
| 320 | boolean configChanged = false; |
| 321 | |
| 322 | if (false) { |
| 323 | Log.i(TAG, "Input event: dev=0x" |
| 324 | + Integer.toHexString(ev.deviceId) |
| 325 | + " type=0x" + Integer.toHexString(ev.type) |
| 326 | + " scancode=" + ev.scancode |
| 327 | + " keycode=" + ev.keycode |
| 328 | + " value=" + ev.value); |
| 329 | } |
| 330 | |
| 331 | if (ev.type == RawInputEvent.EV_DEVICE_ADDED) { |
| 332 | synchronized (mFirst) { |
| 333 | di = newInputDevice(ev.deviceId); |
| 334 | mDevices.put(ev.deviceId, di); |
| 335 | configChanged = true; |
| 336 | } |
| 337 | } else if (ev.type == RawInputEvent.EV_DEVICE_REMOVED) { |
| 338 | synchronized (mFirst) { |
| 339 | Log.i(TAG, "Device removed: id=0x" |
| 340 | + Integer.toHexString(ev.deviceId)); |
| 341 | di = mDevices.get(ev.deviceId); |
| 342 | if (di != null) { |
| 343 | mDevices.delete(ev.deviceId); |
| 344 | configChanged = true; |
| 345 | } else { |
| 346 | Log.w(TAG, "Bad device id: " + ev.deviceId); |
| 347 | } |
| 348 | } |
| 349 | } else { |
| 350 | di = getInputDevice(ev.deviceId); |
| 351 | |
| 352 | // first crack at it |
| 353 | send = preprocessEvent(di, ev); |
| 354 | |
| 355 | if (ev.type == RawInputEvent.EV_KEY) { |
| 356 | di.mMetaKeysState = makeMetaState(ev.keycode, |
| 357 | ev.value != 0, di.mMetaKeysState); |
| 358 | mHaveGlobalMetaState = false; |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | if (di == null) { |
| 363 | continue; |
| 364 | } |
| 365 | |
| 366 | if (configChanged) { |
| 367 | synchronized (mFirst) { |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 368 | addLocked(di, System.nanoTime(), 0, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 369 | RawInputEvent.CLASS_CONFIGURATION_CHANGED, |
| 370 | null); |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | if (!send) { |
| 375 | continue; |
| 376 | } |
| 377 | |
| 378 | synchronized (mFirst) { |
| 379 | // NOTE: The event timebase absolutely must be the same |
| 380 | // timebase as SystemClock.uptimeMillis(). |
| 381 | //curTime = gotOne ? ev.when : SystemClock.uptimeMillis(); |
| 382 | final long curTime = SystemClock.uptimeMillis(); |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 383 | final long curTimeNano = System.nanoTime(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 384 | //Log.i(TAG, "curTime=" + curTime + ", systemClock=" + SystemClock.uptimeMillis()); |
| 385 | |
| 386 | final int classes = di.classes; |
| 387 | final int type = ev.type; |
| 388 | final int scancode = ev.scancode; |
| 389 | send = false; |
| 390 | |
| 391 | // Is it a key event? |
| 392 | if (type == RawInputEvent.EV_KEY && |
| 393 | (classes&RawInputEvent.CLASS_KEYBOARD) != 0 && |
| 394 | (scancode < RawInputEvent.BTN_FIRST || |
| 395 | scancode > RawInputEvent.BTN_LAST)) { |
| 396 | boolean down; |
| 397 | if (ev.value != 0) { |
| 398 | down = true; |
| 399 | di.mDownTime = curTime; |
| 400 | } else { |
| 401 | down = false; |
| 402 | } |
| 403 | int keycode = rotateKeyCodeLocked(ev.keycode); |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 404 | addLocked(di, curTimeNano, ev.flags, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 405 | RawInputEvent.CLASS_KEYBOARD, |
| 406 | newKeyEvent(di, di.mDownTime, curTime, down, |
| 407 | keycode, 0, scancode, |
| 408 | ((ev.flags & WindowManagerPolicy.FLAG_WOKE_HERE) != 0) |
| 409 | ? KeyEvent.FLAG_WOKE_HERE : 0)); |
| 410 | } else if (ev.type == RawInputEvent.EV_KEY) { |
| 411 | if (ev.scancode == RawInputEvent.BTN_TOUCH && |
| 412 | (classes&RawInputEvent.CLASS_TOUCHSCREEN) != 0) { |
| 413 | di.mAbs.changed = true; |
| 414 | di.mAbs.down = ev.value != 0; |
| 415 | } |
| 416 | if (ev.scancode == RawInputEvent.BTN_MOUSE && |
| 417 | (classes&RawInputEvent.CLASS_TRACKBALL) != 0) { |
| 418 | di.mRel.changed = true; |
| 419 | di.mRel.down = ev.value != 0; |
| 420 | send = true; |
| 421 | } |
| 422 | |
| 423 | } else if (ev.type == RawInputEvent.EV_ABS && |
| 424 | (classes&RawInputEvent.CLASS_TOUCHSCREEN) != 0) { |
| 425 | if (ev.scancode == RawInputEvent.ABS_X) { |
| 426 | di.mAbs.changed = true; |
| 427 | di.mAbs.x = ev.value; |
| 428 | } else if (ev.scancode == RawInputEvent.ABS_Y) { |
| 429 | di.mAbs.changed = true; |
| 430 | di.mAbs.y = ev.value; |
| 431 | } else if (ev.scancode == RawInputEvent.ABS_PRESSURE) { |
| 432 | di.mAbs.changed = true; |
| 433 | di.mAbs.pressure = ev.value; |
| 434 | } else if (ev.scancode == RawInputEvent.ABS_TOOL_WIDTH) { |
| 435 | di.mAbs.changed = true; |
| 436 | di.mAbs.size = ev.value; |
| 437 | } |
| 438 | |
| 439 | } else if (ev.type == RawInputEvent.EV_REL && |
| 440 | (classes&RawInputEvent.CLASS_TRACKBALL) != 0) { |
| 441 | // Add this relative movement into our totals. |
| 442 | if (ev.scancode == RawInputEvent.REL_X) { |
| 443 | di.mRel.changed = true; |
| 444 | di.mRel.x += ev.value; |
| 445 | } else if (ev.scancode == RawInputEvent.REL_Y) { |
| 446 | di.mRel.changed = true; |
| 447 | di.mRel.y += ev.value; |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | if (send || ev.type == RawInputEvent.EV_SYN) { |
| 452 | if (mDisplay != null) { |
| 453 | if (!mHaveGlobalMetaState) { |
| 454 | computeGlobalMetaStateLocked(); |
| 455 | } |
| 456 | |
| 457 | MotionEvent me; |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame^] | 458 | |
| 459 | InputDevice.MotionState ms = di.mAbs; |
| 460 | if (ms.changed) { |
| 461 | ms.changed = false; |
| 462 | |
| 463 | boolean doMotion = true; |
| 464 | |
| 465 | // Look for virtual buttons. |
| 466 | VirtualKey vk = mPressedVirtualKey; |
| 467 | if (vk != null) { |
| 468 | doMotion = false; |
| 469 | if (!ms.down) { |
| 470 | mPressedVirtualKey = null; |
| 471 | ms.lastDown = ms.down; |
| 472 | if (DEBUG_VIRTUAL_KEYS) Log.v(TAG, |
| 473 | "Generate key up for: " + vk.scancode); |
| 474 | addLocked(di, curTimeNano, ev.flags, |
| 475 | RawInputEvent.CLASS_KEYBOARD, |
| 476 | newKeyEvent(di, di.mDownTime, |
| 477 | curTime, false, |
| 478 | vk.lastKeycode, |
| 479 | 0, vk.scancode, 0)); |
| 480 | } |
| 481 | } else if (ms.down && !ms.lastDown) { |
| 482 | vk = findSoftButton(di); |
| 483 | if (vk != null) { |
| 484 | doMotion = false; |
| 485 | mPressedVirtualKey = vk; |
| 486 | vk.lastKeycode = scancodeToKeycode( |
| 487 | di.id, vk.scancode); |
| 488 | ms.lastDown = ms.down; |
| 489 | di.mDownTime = curTime; |
| 490 | if (DEBUG_VIRTUAL_KEYS) Log.v(TAG, |
| 491 | "Generate key down for: " + vk.scancode |
| 492 | + " (keycode=" + vk.lastKeycode + ")"); |
| 493 | addLocked(di, curTimeNano, ev.flags, |
| 494 | RawInputEvent.CLASS_KEYBOARD, |
| 495 | newKeyEvent(di, di.mDownTime, |
| 496 | curTime, true, |
| 497 | vk.lastKeycode, 0, |
| 498 | vk.scancode, 0)); |
| 499 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 500 | } |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame^] | 501 | |
| 502 | if (doMotion) { |
| 503 | me = ms.generateMotion(di, curTime, |
| 504 | curTimeNano, true, mDisplay, |
| 505 | mOrientation, mGlobalMetaState); |
| 506 | if (false) Log.v(TAG, "Absolute: x=" + di.mAbs.x |
| 507 | + " y=" + di.mAbs.y + " ev=" + me); |
| 508 | if (me != null) { |
| 509 | if (WindowManagerPolicy.WATCH_POINTER) { |
| 510 | Log.i(TAG, "Enqueueing: " + me); |
| 511 | } |
| 512 | addLocked(di, curTimeNano, ev.flags, |
| 513 | RawInputEvent.CLASS_TOUCHSCREEN, me); |
| 514 | } |
| 515 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 516 | } |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame^] | 517 | |
| 518 | ms = di.mRel; |
| 519 | if (ms.changed) { |
| 520 | ms.changed = false; |
| 521 | |
| 522 | me = ms.generateMotion(di, curTime, |
| 523 | curTimeNano, false, mDisplay, |
| 524 | mOrientation, mGlobalMetaState); |
| 525 | if (false) Log.v(TAG, "Relative: x=" + di.mRel.x |
| 526 | + " y=" + di.mRel.y + " ev=" + me); |
| 527 | if (me != null) { |
| 528 | addLocked(di, curTimeNano, ev.flags, |
| 529 | RawInputEvent.CLASS_TRACKBALL, me); |
| 530 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 531 | } |
| 532 | } |
| 533 | } |
| 534 | } |
| 535 | } |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame^] | 536 | |
| 537 | } catch (RuntimeException exc) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 538 | Log.e(TAG, "InputReaderThread uncaught exception", exc); |
| 539 | } |
| 540 | } |
| 541 | }; |
| 542 | |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame^] | 543 | private VirtualKey findSoftButton(InputDevice dev) { |
| 544 | final int N = mVirtualKeys.size(); |
| 545 | if (N <= 0) { |
| 546 | return null; |
| 547 | } |
| 548 | |
| 549 | final InputDevice.AbsoluteInfo absx = dev.absX; |
| 550 | final InputDevice.AbsoluteInfo absy = dev.absY; |
| 551 | final InputDevice.MotionState absm = dev.mAbs; |
| 552 | if (absx == null || absy == null || absm == null) { |
| 553 | return null; |
| 554 | } |
| 555 | |
| 556 | if (absm.x >= absx.minValue && absm.x <= absx.maxValue |
| 557 | && absm.y >= absy.minValue && absm.y <= absy.maxValue) { |
| 558 | if (DEBUG_VIRTUAL_KEYS) Log.v(TAG, "Input (" + absm.x |
| 559 | + "," + absm.y + ") inside of display"); |
| 560 | return null; |
| 561 | } |
| 562 | |
| 563 | for (int i=0; i<N; i++) { |
| 564 | VirtualKey sb = mVirtualKeys.get(i); |
| 565 | sb.computeHitRect(dev, mDisplayWidth, mDisplayHeight); |
| 566 | if (DEBUG_VIRTUAL_KEYS) Log.v(TAG, "Hit test (" + absm.x + "," |
| 567 | + absm.y + ") in code " + sb.scancode + " - (" + sb.hitLeft |
| 568 | + "," + sb.hitTop + ")-(" + sb.hitRight + "," |
| 569 | + sb.hitBottom + ")"); |
| 570 | if (sb.checkHit(absm.x, absm.y)) { |
| 571 | if (DEBUG_VIRTUAL_KEYS) Log.v(TAG, "Hit!"); |
| 572 | return sb; |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | return null; |
| 577 | } |
| 578 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 579 | /** |
| 580 | * Returns a new meta state for the given keys and old state. |
| 581 | */ |
| 582 | private static final int makeMetaState(int keycode, boolean down, int old) { |
| 583 | int mask; |
| 584 | switch (keycode) { |
| 585 | case KeyEvent.KEYCODE_ALT_LEFT: |
| 586 | mask = KeyEvent.META_ALT_LEFT_ON; |
| 587 | break; |
| 588 | case KeyEvent.KEYCODE_ALT_RIGHT: |
| 589 | mask = KeyEvent.META_ALT_RIGHT_ON; |
| 590 | break; |
| 591 | case KeyEvent.KEYCODE_SHIFT_LEFT: |
| 592 | mask = KeyEvent.META_SHIFT_LEFT_ON; |
| 593 | break; |
| 594 | case KeyEvent.KEYCODE_SHIFT_RIGHT: |
| 595 | mask = KeyEvent.META_SHIFT_RIGHT_ON; |
| 596 | break; |
| 597 | case KeyEvent.KEYCODE_SYM: |
| 598 | mask = KeyEvent.META_SYM_ON; |
| 599 | break; |
| 600 | default: |
| 601 | return old; |
| 602 | } |
| 603 | int result = ~(KeyEvent.META_ALT_ON | KeyEvent.META_SHIFT_ON) |
| 604 | & (down ? (old | mask) : (old & ~mask)); |
| 605 | if (0 != (result & (KeyEvent.META_ALT_LEFT_ON | KeyEvent.META_ALT_RIGHT_ON))) { |
| 606 | result |= KeyEvent.META_ALT_ON; |
| 607 | } |
| 608 | if (0 != (result & (KeyEvent.META_SHIFT_LEFT_ON | KeyEvent.META_SHIFT_RIGHT_ON))) { |
| 609 | result |= KeyEvent.META_SHIFT_ON; |
| 610 | } |
| 611 | return result; |
| 612 | } |
| 613 | |
| 614 | private void computeGlobalMetaStateLocked() { |
| 615 | int i = mDevices.size(); |
| 616 | mGlobalMetaState = 0; |
| 617 | while ((--i) >= 0) { |
| 618 | mGlobalMetaState |= mDevices.valueAt(i).mMetaKeysState; |
| 619 | } |
| 620 | mHaveGlobalMetaState = true; |
| 621 | } |
| 622 | |
| 623 | /* |
| 624 | * Return true if you want the event to get passed on to the |
| 625 | * rest of the system, and false if you've handled it and want |
| 626 | * it dropped. |
| 627 | */ |
| 628 | abstract boolean preprocessEvent(InputDevice device, RawInputEvent event); |
| 629 | |
| 630 | InputDevice getInputDevice(int deviceId) { |
| 631 | synchronized (mFirst) { |
| 632 | return getInputDeviceLocked(deviceId); |
| 633 | } |
| 634 | } |
| 635 | |
| 636 | private InputDevice getInputDeviceLocked(int deviceId) { |
| 637 | return mDevices.get(deviceId); |
| 638 | } |
| 639 | |
| 640 | public void setOrientation(int orientation) { |
| 641 | synchronized(mFirst) { |
| 642 | mOrientation = orientation; |
| 643 | switch (orientation) { |
| 644 | case Surface.ROTATION_90: |
| 645 | mKeyRotationMap = KEY_90_MAP; |
| 646 | break; |
| 647 | case Surface.ROTATION_180: |
| 648 | mKeyRotationMap = KEY_180_MAP; |
| 649 | break; |
| 650 | case Surface.ROTATION_270: |
| 651 | mKeyRotationMap = KEY_270_MAP; |
| 652 | break; |
| 653 | default: |
| 654 | mKeyRotationMap = null; |
| 655 | break; |
| 656 | } |
| 657 | } |
| 658 | } |
| 659 | |
| 660 | public int rotateKeyCode(int keyCode) { |
| 661 | synchronized(mFirst) { |
| 662 | return rotateKeyCodeLocked(keyCode); |
| 663 | } |
| 664 | } |
| 665 | |
| 666 | private int rotateKeyCodeLocked(int keyCode) { |
| 667 | int[] map = mKeyRotationMap; |
| 668 | if (map != null) { |
| 669 | final int N = map.length; |
| 670 | for (int i=0; i<N; i+=2) { |
| 671 | if (map[i] == keyCode) { |
| 672 | return map[i+1]; |
| 673 | } |
| 674 | } |
| 675 | } |
| 676 | return keyCode; |
| 677 | } |
| 678 | |
| 679 | boolean hasEvents() { |
| 680 | synchronized (mFirst) { |
| 681 | return mFirst.next != mLast; |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | /* |
| 686 | * returns true if we returned an event, and false if we timed out |
| 687 | */ |
| 688 | QueuedEvent getEvent(long timeoutMS) { |
| 689 | long begin = SystemClock.uptimeMillis(); |
| 690 | final long end = begin+timeoutMS; |
| 691 | long now = begin; |
| 692 | synchronized (mFirst) { |
| 693 | while (mFirst.next == mLast && end > now) { |
| 694 | try { |
| 695 | mWakeLock.release(); |
| 696 | mFirst.wait(end-now); |
| 697 | } |
| 698 | catch (InterruptedException e) { |
| 699 | } |
| 700 | now = SystemClock.uptimeMillis(); |
| 701 | if (begin > now) { |
| 702 | begin = now; |
| 703 | } |
| 704 | } |
| 705 | if (mFirst.next == mLast) { |
| 706 | return null; |
| 707 | } |
| 708 | QueuedEvent p = mFirst.next; |
| 709 | mFirst.next = p.next; |
| 710 | mFirst.next.prev = mFirst; |
| 711 | p.inQueue = false; |
| 712 | return p; |
| 713 | } |
| 714 | } |
| 715 | |
| 716 | void recycleEvent(QueuedEvent ev) { |
| 717 | synchronized (mFirst) { |
| 718 | //Log.i(TAG, "Recycle event: " + ev); |
| 719 | if (ev.event == ev.inputDevice.mAbs.currentMove) { |
| 720 | ev.inputDevice.mAbs.currentMove = null; |
| 721 | } |
| 722 | if (ev.event == ev.inputDevice.mRel.currentMove) { |
| 723 | if (false) Log.i(TAG, "Detach rel " + ev.event); |
| 724 | ev.inputDevice.mRel.currentMove = null; |
| 725 | ev.inputDevice.mRel.x = 0; |
| 726 | ev.inputDevice.mRel.y = 0; |
| 727 | } |
| 728 | recycleLocked(ev); |
| 729 | } |
| 730 | } |
| 731 | |
| 732 | void filterQueue(FilterCallback cb) { |
| 733 | synchronized (mFirst) { |
| 734 | QueuedEvent cur = mLast.prev; |
| 735 | while (cur.prev != null) { |
| 736 | switch (cb.filterEvent(cur)) { |
| 737 | case FILTER_REMOVE: |
| 738 | cur.prev.next = cur.next; |
| 739 | cur.next.prev = cur.prev; |
| 740 | break; |
| 741 | case FILTER_ABORT: |
| 742 | return; |
| 743 | } |
| 744 | cur = cur.prev; |
| 745 | } |
| 746 | } |
| 747 | } |
| 748 | |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 749 | private QueuedEvent obtainLocked(InputDevice device, long whenNano, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 750 | int flags, int classType, Object event) { |
| 751 | QueuedEvent ev; |
| 752 | if (mCacheCount == 0) { |
| 753 | ev = new QueuedEvent(); |
| 754 | } else { |
| 755 | ev = mCache; |
| 756 | ev.inQueue = false; |
| 757 | mCache = ev.next; |
| 758 | mCacheCount--; |
| 759 | } |
| 760 | ev.inputDevice = device; |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 761 | ev.whenNano = whenNano; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 762 | ev.flags = flags; |
| 763 | ev.classType = classType; |
| 764 | ev.event = event; |
| 765 | return ev; |
| 766 | } |
| 767 | |
| 768 | private void recycleLocked(QueuedEvent ev) { |
| 769 | if (ev.inQueue) { |
| 770 | throw new RuntimeException("Event already in queue!"); |
| 771 | } |
| 772 | if (mCacheCount < 10) { |
| 773 | mCacheCount++; |
| 774 | ev.next = mCache; |
| 775 | mCache = ev; |
| 776 | ev.inQueue = true; |
| 777 | } |
| 778 | } |
| 779 | |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 780 | private void addLocked(InputDevice device, long whenNano, int flags, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 781 | int classType, Object event) { |
| 782 | boolean poke = mFirst.next == mLast; |
| 783 | |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 784 | QueuedEvent ev = obtainLocked(device, whenNano, flags, classType, event); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 785 | QueuedEvent p = mLast.prev; |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 786 | while (p != mFirst && ev.whenNano < p.whenNano) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 787 | p = p.prev; |
| 788 | } |
| 789 | |
| 790 | ev.next = p.next; |
| 791 | ev.prev = p; |
| 792 | p.next = ev; |
| 793 | ev.next.prev = ev; |
| 794 | ev.inQueue = true; |
| 795 | |
| 796 | if (poke) { |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 797 | long time; |
| 798 | if (MEASURE_LATENCY) { |
| 799 | time = System.nanoTime(); |
| 800 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 801 | mFirst.notify(); |
| 802 | mWakeLock.acquire(); |
Michael Chan | 53071d6 | 2009-05-13 17:29:48 -0700 | [diff] [blame] | 803 | if (MEASURE_LATENCY) { |
| 804 | lt.sample("1 addLocked-queued event ", System.nanoTime() - time); |
| 805 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 806 | } |
| 807 | } |
| 808 | |
| 809 | private InputDevice newInputDevice(int deviceId) { |
| 810 | int classes = getDeviceClasses(deviceId); |
| 811 | String name = getDeviceName(deviceId); |
| 812 | Log.i(TAG, "Device added: id=0x" + Integer.toHexString(deviceId) |
| 813 | + ", name=" + name |
| 814 | + ", classes=" + Integer.toHexString(classes)); |
| 815 | InputDevice.AbsoluteInfo absX; |
| 816 | InputDevice.AbsoluteInfo absY; |
| 817 | InputDevice.AbsoluteInfo absPressure; |
| 818 | InputDevice.AbsoluteInfo absSize; |
| 819 | if ((classes&RawInputEvent.CLASS_TOUCHSCREEN) != 0) { |
| 820 | absX = loadAbsoluteInfo(deviceId, RawInputEvent.ABS_X, "X"); |
| 821 | absY = loadAbsoluteInfo(deviceId, RawInputEvent.ABS_Y, "Y"); |
| 822 | absPressure = loadAbsoluteInfo(deviceId, RawInputEvent.ABS_PRESSURE, "Pressure"); |
| 823 | absSize = loadAbsoluteInfo(deviceId, RawInputEvent.ABS_TOOL_WIDTH, "Size"); |
| 824 | } else { |
| 825 | absX = null; |
| 826 | absY = null; |
| 827 | absPressure = null; |
| 828 | absSize = null; |
| 829 | } |
| 830 | |
| 831 | return new InputDevice(deviceId, classes, name, absX, absY, absPressure, absSize); |
| 832 | } |
| 833 | |
| 834 | private InputDevice.AbsoluteInfo loadAbsoluteInfo(int id, int channel, |
| 835 | String name) { |
| 836 | InputDevice.AbsoluteInfo info = new InputDevice.AbsoluteInfo(); |
| 837 | if (getAbsoluteInfo(id, channel, info) |
| 838 | && info.minValue != info.maxValue) { |
| 839 | Log.i(TAG, " " + name + ": min=" + info.minValue |
| 840 | + " max=" + info.maxValue |
| 841 | + " flat=" + info.flat |
| 842 | + " fuzz=" + info.fuzz); |
| 843 | info.range = info.maxValue-info.minValue; |
| 844 | return info; |
| 845 | } |
| 846 | Log.i(TAG, " " + name + ": unknown values"); |
| 847 | return null; |
| 848 | } |
| 849 | private static native boolean readEvent(RawInputEvent outEvent); |
| 850 | } |