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 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 19 | import android.util.Slog; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 20 | import android.view.Display; |
| 21 | import android.view.MotionEvent; |
| 22 | import android.view.Surface; |
| 23 | import android.view.WindowManagerPolicy; |
| 24 | |
Dianne Hackborn | a2e9226 | 2010-03-02 17:19:29 -0800 | [diff] [blame] | 25 | import java.io.PrintWriter; |
| 26 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 27 | public class InputDevice { |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 28 | static final boolean DEBUG_POINTERS = false; |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 29 | static final boolean DEBUG_HACKS = false; |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 30 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 31 | /** Amount that trackball needs to move in order to generate a key event. */ |
| 32 | static final int TRACKBALL_MOVEMENT_THRESHOLD = 6; |
| 33 | |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 34 | /** Maximum number of pointers we will track and report. */ |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 35 | static final int MAX_POINTERS = 10; |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 36 | |
Adam Powell | f5bcc6a | 2010-03-02 10:42:16 -0800 | [diff] [blame] | 37 | /** |
| 38 | * Slop distance for jumpy pointer detection. |
Adam Powell | 6651a13 | 2010-03-03 20:43:16 -0800 | [diff] [blame] | 39 | * The vertical range of the screen divided by this is our epsilon value. |
Adam Powell | f5bcc6a | 2010-03-02 10:42:16 -0800 | [diff] [blame] | 40 | */ |
Adam Powell | 6651a13 | 2010-03-03 20:43:16 -0800 | [diff] [blame] | 41 | private static final int JUMPY_EPSILON_DIVISOR = 212; |
Adam Powell | f5bcc6a | 2010-03-02 10:42:16 -0800 | [diff] [blame] | 42 | |
| 43 | /** Number of jumpy points to drop for touchscreens that need it. */ |
| 44 | private static final int JUMPY_TRANSITION_DROPS = 3; |
| 45 | private static final int JUMPY_DROP_LIMIT = 3; |
| 46 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | final int id; |
| 48 | final int classes; |
| 49 | final String name; |
| 50 | final AbsoluteInfo absX; |
| 51 | final AbsoluteInfo absY; |
| 52 | final AbsoluteInfo absPressure; |
| 53 | final AbsoluteInfo absSize; |
| 54 | |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 55 | long mKeyDownTime = 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 56 | int mMetaKeysState = 0; |
| 57 | |
Dianne Hackborn | 2a2b3443 | 2009-08-12 17:13:55 -0700 | [diff] [blame] | 58 | // For use by KeyInputQueue for keeping track of the current touch |
| 59 | // data in the old non-multi-touch protocol. |
| 60 | final int[] curTouchVals = new int[MotionEvent.NUM_SAMPLE_DATA * 2]; |
| 61 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 62 | final MotionState mAbs = new MotionState(0, 0); |
| 63 | final MotionState mRel = new MotionState(TRACKBALL_MOVEMENT_THRESHOLD, |
| 64 | TRACKBALL_MOVEMENT_THRESHOLD); |
| 65 | |
| 66 | static class MotionState { |
| 67 | int xPrecision; |
| 68 | int yPrecision; |
| 69 | float xMoveScale; |
| 70 | float yMoveScale; |
| 71 | MotionEvent currentMove = null; |
| 72 | boolean changed = false; |
Dianne Hackborn | a2e9226 | 2010-03-02 17:19:29 -0800 | [diff] [blame] | 73 | boolean everChanged = false; |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 74 | long mDownTime = 0; |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 75 | |
| 76 | // The currently assigned pointer IDs, corresponding to the last data. |
| 77 | int[] mPointerIds = new int[MAX_POINTERS]; |
| 78 | |
| 79 | // This is the last generated pointer data, ordered to match |
| 80 | // mPointerIds. |
Dianne Hackborn | dc95372 | 2009-10-19 11:24:39 -0700 | [diff] [blame] | 81 | boolean mSkipLastPointers; |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 82 | int mLastNumPointers = 0; |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 83 | final int[] mLastData = new int[MotionEvent.NUM_SAMPLE_DATA * MAX_POINTERS]; |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 84 | |
| 85 | // This is the next set of pointer data being generated. It is not |
| 86 | // in any known order, and will be propagated in to mLastData |
| 87 | // as part of mapping it to the appropriate pointer IDs. |
| 88 | // Note that we have one extra sample of data here, to help clients |
| 89 | // avoid doing bounds checking. |
| 90 | int mNextNumPointers = 0; |
| 91 | final int[] mNextData = new int[(MotionEvent.NUM_SAMPLE_DATA * MAX_POINTERS) |
| 92 | + MotionEvent.NUM_SAMPLE_DATA]; |
| 93 | |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 94 | // Used to determine whether we dropped bad data, to avoid doing |
| 95 | // it repeatedly. |
| 96 | final boolean[] mDroppedBadPoint = new boolean[MAX_POINTERS]; |
Adam Powell | f5bcc6a | 2010-03-02 10:42:16 -0800 | [diff] [blame] | 97 | |
| 98 | // Used to count the number of jumpy points dropped. |
| 99 | private int mJumpyPointsDropped = 0; |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 100 | |
| 101 | // Used to perform averaging of reported coordinates, to smooth |
| 102 | // the data and filter out transients during a release. |
| 103 | static final int HISTORY_SIZE = 5; |
| 104 | int[] mHistoryDataStart = new int[MAX_POINTERS]; |
| 105 | int[] mHistoryDataEnd = new int[MAX_POINTERS]; |
| 106 | final int[] mHistoryData = new int[(MotionEvent.NUM_SAMPLE_DATA * MAX_POINTERS) |
| 107 | * HISTORY_SIZE]; |
| 108 | final int[] mAveragedData = new int[MotionEvent.NUM_SAMPLE_DATA * MAX_POINTERS]; |
| 109 | |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 110 | // Temporary data structures for doing the pointer ID mapping. |
| 111 | final int[] mLast2Next = new int[MAX_POINTERS]; |
| 112 | final int[] mNext2Last = new int[MAX_POINTERS]; |
| 113 | final long[] mNext2LastDistance = new long[MAX_POINTERS]; |
| 114 | |
| 115 | // Temporary data structure for generating the final motion data. |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 116 | final float[] mReportData = new float[MotionEvent.NUM_SAMPLE_DATA * MAX_POINTERS]; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 117 | |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 118 | // This is not used here, but can be used by callers for state tracking. |
| 119 | int mAddingPointerOffset = 0; |
| 120 | final boolean[] mDown = new boolean[MAX_POINTERS]; |
| 121 | |
Dianne Hackborn | a2e9226 | 2010-03-02 17:19:29 -0800 | [diff] [blame] | 122 | void dumpIntArray(PrintWriter pw, int[] array) { |
| 123 | pw.print("["); |
| 124 | for (int i=0; i<array.length; i++) { |
| 125 | if (i > 0) pw.print(", "); |
| 126 | pw.print(array[i]); |
| 127 | } |
| 128 | pw.print("]"); |
| 129 | } |
| 130 | |
| 131 | void dumpBooleanArray(PrintWriter pw, boolean[] array) { |
| 132 | pw.print("["); |
| 133 | for (int i=0; i<array.length; i++) { |
| 134 | if (i > 0) pw.print(", "); |
| 135 | pw.print(array[i] ? "true" : "false"); |
| 136 | } |
| 137 | pw.print("]"); |
| 138 | } |
| 139 | |
| 140 | void dump(PrintWriter pw, String prefix) { |
| 141 | pw.print(prefix); pw.print("xPrecision="); pw.print(xPrecision); |
| 142 | pw.print(" yPrecision="); pw.println(yPrecision); |
| 143 | pw.print(prefix); pw.print("xMoveScale="); pw.print(xMoveScale); |
| 144 | pw.print(" yMoveScale="); pw.println(yMoveScale); |
| 145 | if (currentMove != null) { |
| 146 | pw.print(prefix); pw.print("currentMove="); pw.println(currentMove); |
| 147 | } |
| 148 | if (changed || mDownTime != 0) { |
| 149 | pw.print(prefix); pw.print("changed="); pw.print(changed); |
| 150 | pw.print(" mDownTime="); pw.println(mDownTime); |
| 151 | } |
| 152 | pw.print(prefix); pw.print("mPointerIds="); dumpIntArray(pw, mPointerIds); |
| 153 | pw.println(""); |
| 154 | if (mSkipLastPointers || mLastNumPointers != 0) { |
| 155 | pw.print(prefix); pw.print("mSkipLastPointers="); pw.print(mSkipLastPointers); |
| 156 | pw.print(" mLastNumPointers="); pw.println(mLastNumPointers); |
| 157 | pw.print(prefix); pw.print("mLastData="); dumpIntArray(pw, mLastData); |
| 158 | pw.println(""); |
| 159 | } |
| 160 | if (mNextNumPointers != 0) { |
| 161 | pw.print(prefix); pw.print("mNextNumPointers="); pw.println(mNextNumPointers); |
| 162 | pw.print(prefix); pw.print("mNextData="); dumpIntArray(pw, mNextData); |
| 163 | pw.println(""); |
| 164 | } |
| 165 | pw.print(prefix); pw.print("mDroppedBadPoint="); |
| 166 | dumpBooleanArray(pw, mDroppedBadPoint); pw.println(""); |
| 167 | pw.print(prefix); pw.print("mAddingPointerOffset="); pw.println(mAddingPointerOffset); |
| 168 | pw.print(prefix); pw.print("mDown="); |
| 169 | dumpBooleanArray(pw, mDown); pw.println(""); |
| 170 | } |
| 171 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 172 | MotionState(int mx, int my) { |
| 173 | xPrecision = mx; |
| 174 | yPrecision = my; |
| 175 | xMoveScale = mx != 0 ? (1.0f/mx) : 1.0f; |
| 176 | yMoveScale = my != 0 ? (1.0f/my) : 1.0f; |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 177 | for (int i=0; i<MAX_POINTERS; i++) { |
| 178 | mPointerIds[i] = i; |
| 179 | } |
| 180 | } |
| 181 | |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 182 | /** |
| 183 | * Special hack for devices that have bad screen data: if one of the |
| 184 | * points has moved more than a screen height from the last position, |
| 185 | * then drop it. |
| 186 | */ |
| 187 | void dropBadPoint(InputDevice dev) { |
| 188 | // We should always have absY, but let's be paranoid. |
| 189 | if (dev.absY == null) { |
| 190 | return; |
| 191 | } |
| 192 | // Don't do anything if a finger is going down or up. We run |
| 193 | // here before assigning pointer IDs, so there isn't a good |
| 194 | // way to do per-finger matching. |
| 195 | if (mNextNumPointers != mLastNumPointers) { |
| 196 | return; |
| 197 | } |
| 198 | |
| 199 | // We consider a single movement across more than a 7/16 of |
| 200 | // the long size of the screen to be bad. This was a magic value |
| 201 | // determined by looking at the maximum distance it is feasible |
| 202 | // to actually move in one sample. |
| 203 | final int maxDy = ((dev.absY.maxValue-dev.absY.minValue)*7)/16; |
| 204 | |
| 205 | // Look through all new points and see if any are farther than |
| 206 | // acceptable from all previous points. |
| 207 | for (int i=mNextNumPointers-1; i>=0; i--) { |
| 208 | final int ioff = i * MotionEvent.NUM_SAMPLE_DATA; |
| 209 | //final int x = mNextData[ioff + MotionEvent.SAMPLE_X]; |
| 210 | final int y = mNextData[ioff + MotionEvent.SAMPLE_Y]; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 211 | if (DEBUG_HACKS) Slog.v("InputDevice", "Looking at next point #" + i + ": y=" + y); |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 212 | boolean dropped = false; |
| 213 | if (!mDroppedBadPoint[i] && mLastNumPointers > 0) { |
| 214 | dropped = true; |
| 215 | int closestDy = -1; |
| 216 | int closestY = -1; |
| 217 | // We will drop this new point if it is sufficiently |
| 218 | // far away from -all- last points. |
| 219 | for (int j=mLastNumPointers-1; j>=0; j--) { |
| 220 | final int joff = j * MotionEvent.NUM_SAMPLE_DATA; |
| 221 | //int dx = x - mLastData[joff + MotionEvent.SAMPLE_X]; |
| 222 | int dy = y - mLastData[joff + MotionEvent.SAMPLE_Y]; |
| 223 | //if (dx < 0) dx = -dx; |
| 224 | if (dy < 0) dy = -dy; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 225 | if (DEBUG_HACKS) Slog.v("InputDevice", "Comparing with last point #" + j |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 226 | + ": y=" + mLastData[joff] + " dy=" + dy); |
| 227 | if (dy < maxDy) { |
| 228 | dropped = false; |
| 229 | break; |
| 230 | } else if (closestDy < 0 || dy < closestDy) { |
| 231 | closestDy = dy; |
| 232 | closestY = mLastData[joff + MotionEvent.SAMPLE_Y]; |
| 233 | } |
| 234 | } |
| 235 | if (dropped) { |
| 236 | dropped = true; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 237 | Slog.i("InputDevice", "Dropping bad point #" + i |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 238 | + ": newY=" + y + " closestDy=" + closestDy |
| 239 | + " maxDy=" + maxDy); |
| 240 | mNextData[ioff + MotionEvent.SAMPLE_Y] = closestY; |
| 241 | break; |
| 242 | } |
| 243 | } |
| 244 | mDroppedBadPoint[i] = dropped; |
| 245 | } |
| 246 | } |
| 247 | |
Adam Powell | f5bcc6a | 2010-03-02 10:42:16 -0800 | [diff] [blame] | 248 | void dropJumpyPoint(InputDevice dev) { |
Adam Powell | 6651a13 | 2010-03-03 20:43:16 -0800 | [diff] [blame] | 249 | // We should always have absY, but let's be paranoid. |
| 250 | if (dev.absY == null) { |
| 251 | return; |
| 252 | } |
| 253 | final int jumpyEpsilon = dev.absY.range / JUMPY_EPSILON_DIVISOR; |
| 254 | |
Adam Powell | f5bcc6a | 2010-03-02 10:42:16 -0800 | [diff] [blame] | 255 | final int nextNumPointers = mNextNumPointers; |
| 256 | final int lastNumPointers = mLastNumPointers; |
| 257 | final int[] nextData = mNextData; |
| 258 | final int[] lastData = mLastData; |
Adam Powell | 6651a13 | 2010-03-03 20:43:16 -0800 | [diff] [blame] | 259 | |
Adam Powell | f5bcc6a | 2010-03-02 10:42:16 -0800 | [diff] [blame] | 260 | if (nextNumPointers != mLastNumPointers) { |
| 261 | if (DEBUG_HACKS) { |
| 262 | Slog.d("InputDevice", "Different pointer count " + lastNumPointers + |
| 263 | " -> " + nextNumPointers); |
| 264 | for (int i = 0; i < nextNumPointers; i++) { |
| 265 | int ioff = i * MotionEvent.NUM_SAMPLE_DATA; |
| 266 | Slog.d("InputDevice", "Pointer " + i + " (" + |
| 267 | mNextData[ioff + MotionEvent.SAMPLE_X] + ", " + |
| 268 | mNextData[ioff + MotionEvent.SAMPLE_Y] + ")"); |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | // Just drop the first few events going from 1 to 2 pointers. |
| 273 | // They're bad often enough that they're not worth considering. |
| 274 | if (lastNumPointers == 1 && nextNumPointers == 2 |
| 275 | && mJumpyPointsDropped < JUMPY_TRANSITION_DROPS) { |
| 276 | mNextNumPointers = 1; |
| 277 | mJumpyPointsDropped++; |
| 278 | } else if (lastNumPointers == 2 && nextNumPointers == 1 |
| 279 | && mJumpyPointsDropped < JUMPY_TRANSITION_DROPS) { |
| 280 | // The event when we go from 2 -> 1 tends to be messed up too |
| 281 | System.arraycopy(lastData, 0, nextData, 0, |
| 282 | lastNumPointers * MotionEvent.NUM_SAMPLE_DATA); |
| 283 | mNextNumPointers = lastNumPointers; |
| 284 | mJumpyPointsDropped++; |
| 285 | |
| 286 | if (DEBUG_HACKS) { |
| 287 | for (int i = 0; i < mNextNumPointers; i++) { |
| 288 | int ioff = i * MotionEvent.NUM_SAMPLE_DATA; |
| 289 | Slog.d("InputDevice", "Pointer " + i + " replaced (" + |
| 290 | mNextData[ioff + MotionEvent.SAMPLE_X] + ", " + |
| 291 | mNextData[ioff + MotionEvent.SAMPLE_Y] + ")"); |
| 292 | } |
| 293 | } |
| 294 | } else { |
| 295 | mJumpyPointsDropped = 0; |
| 296 | |
| 297 | if (DEBUG_HACKS) { |
| 298 | Slog.d("InputDevice", "Transition - drop limit reset"); |
| 299 | } |
| 300 | } |
| 301 | return; |
| 302 | } |
| 303 | |
| 304 | // A 'jumpy' point is one where the coordinate value for one axis |
| 305 | // has jumped to the other pointer's location. No need to do anything |
| 306 | // else if we only have one pointer. |
| 307 | if (nextNumPointers < 2) { |
| 308 | return; |
| 309 | } |
| 310 | |
| 311 | int badPointerIndex = -1; |
| 312 | int badPointerReplaceXWith = 0; |
| 313 | int badPointerReplaceYWith = 0; |
| 314 | int badPointerDistance = Integer.MIN_VALUE; |
| 315 | for (int i = nextNumPointers - 1; i >= 0; i--) { |
| 316 | boolean dropx = false; |
| 317 | boolean dropy = false; |
| 318 | |
| 319 | // Limit how many times a jumpy point can get dropped. |
| 320 | if (mJumpyPointsDropped < JUMPY_DROP_LIMIT) { |
| 321 | final int ioff = i * MotionEvent.NUM_SAMPLE_DATA; |
| 322 | final int x = nextData[ioff + MotionEvent.SAMPLE_X]; |
| 323 | final int y = nextData[ioff + MotionEvent.SAMPLE_Y]; |
| 324 | |
| 325 | if (DEBUG_HACKS) { |
| 326 | Slog.d("InputDevice", "Point " + i + " (" + x + ", " + y + ")"); |
| 327 | } |
| 328 | |
| 329 | // Check if a touch point is too close to another's coordinates |
| 330 | for (int j = 0; j < nextNumPointers && !dropx && !dropy; j++) { |
| 331 | if (j == i) { |
| 332 | continue; |
| 333 | } |
| 334 | |
| 335 | final int joff = j * MotionEvent.NUM_SAMPLE_DATA; |
| 336 | final int xOther = nextData[joff + MotionEvent.SAMPLE_X]; |
| 337 | final int yOther = nextData[joff + MotionEvent.SAMPLE_Y]; |
| 338 | |
Adam Powell | 6651a13 | 2010-03-03 20:43:16 -0800 | [diff] [blame] | 339 | dropx = Math.abs(x - xOther) <= jumpyEpsilon; |
| 340 | dropy = Math.abs(y - yOther) <= jumpyEpsilon; |
Adam Powell | f5bcc6a | 2010-03-02 10:42:16 -0800 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | if (dropx) { |
| 344 | int xreplace = lastData[MotionEvent.SAMPLE_X]; |
| 345 | int yreplace = lastData[MotionEvent.SAMPLE_Y]; |
| 346 | int distance = Math.abs(yreplace - y); |
| 347 | for (int j = 1; j < lastNumPointers; j++) { |
| 348 | final int joff = j * MotionEvent.NUM_SAMPLE_DATA; |
| 349 | int lasty = lastData[joff + MotionEvent.SAMPLE_Y]; |
| 350 | int currDist = Math.abs(lasty - y); |
| 351 | if (currDist < distance) { |
| 352 | xreplace = lastData[joff + MotionEvent.SAMPLE_X]; |
| 353 | yreplace = lasty; |
| 354 | distance = currDist; |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | int badXDelta = Math.abs(xreplace - x); |
| 359 | if (badXDelta > badPointerDistance) { |
| 360 | badPointerDistance = badXDelta; |
| 361 | badPointerIndex = i; |
| 362 | badPointerReplaceXWith = xreplace; |
| 363 | badPointerReplaceYWith = yreplace; |
| 364 | } |
| 365 | } else if (dropy) { |
| 366 | int xreplace = lastData[MotionEvent.SAMPLE_X]; |
| 367 | int yreplace = lastData[MotionEvent.SAMPLE_Y]; |
| 368 | int distance = Math.abs(xreplace - x); |
| 369 | for (int j = 1; j < lastNumPointers; j++) { |
| 370 | final int joff = j * MotionEvent.NUM_SAMPLE_DATA; |
| 371 | int lastx = lastData[joff + MotionEvent.SAMPLE_X]; |
| 372 | int currDist = Math.abs(lastx - x); |
| 373 | if (currDist < distance) { |
| 374 | xreplace = lastx; |
| 375 | yreplace = lastData[joff + MotionEvent.SAMPLE_Y]; |
| 376 | distance = currDist; |
| 377 | } |
| 378 | } |
| 379 | |
| 380 | int badYDelta = Math.abs(yreplace - y); |
| 381 | if (badYDelta > badPointerDistance) { |
| 382 | badPointerDistance = badYDelta; |
| 383 | badPointerIndex = i; |
| 384 | badPointerReplaceXWith = xreplace; |
| 385 | badPointerReplaceYWith = yreplace; |
| 386 | } |
| 387 | } |
| 388 | } |
| 389 | } |
| 390 | if (badPointerIndex >= 0) { |
| 391 | if (DEBUG_HACKS) { |
| 392 | Slog.d("InputDevice", "Replacing bad pointer " + badPointerIndex + |
| 393 | " with (" + badPointerReplaceXWith + ", " + badPointerReplaceYWith + |
| 394 | ")"); |
| 395 | } |
| 396 | |
| 397 | final int offset = badPointerIndex * MotionEvent.NUM_SAMPLE_DATA; |
| 398 | nextData[offset + MotionEvent.SAMPLE_X] = badPointerReplaceXWith; |
| 399 | nextData[offset + MotionEvent.SAMPLE_Y] = badPointerReplaceYWith; |
| 400 | mJumpyPointsDropped++; |
| 401 | } else { |
| 402 | mJumpyPointsDropped = 0; |
| 403 | } |
| 404 | } |
| 405 | |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 406 | /** |
| 407 | * Special hack for devices that have bad screen data: aggregate and |
| 408 | * compute averages of the coordinate data, to reduce the amount of |
| 409 | * jitter seen by applications. |
| 410 | */ |
| 411 | int[] generateAveragedData(int upOrDownPointer, int lastNumPointers, |
| 412 | int nextNumPointers) { |
| 413 | final int numPointers = mLastNumPointers; |
| 414 | final int[] rawData = mLastData; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 415 | if (DEBUG_HACKS) Slog.v("InputDevice", "lastNumPointers=" + lastNumPointers |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 416 | + " nextNumPointers=" + nextNumPointers |
| 417 | + " numPointers=" + numPointers); |
| 418 | for (int i=0; i<numPointers; i++) { |
| 419 | final int ioff = i * MotionEvent.NUM_SAMPLE_DATA; |
| 420 | // We keep the average data in offsets based on the pointer |
| 421 | // ID, so we don't need to move it around as fingers are |
| 422 | // pressed and released. |
| 423 | final int p = mPointerIds[i]; |
| 424 | final int poff = p * MotionEvent.NUM_SAMPLE_DATA * HISTORY_SIZE; |
| 425 | if (i == upOrDownPointer && lastNumPointers != nextNumPointers) { |
| 426 | if (lastNumPointers < nextNumPointers) { |
| 427 | // This pointer is going down. Clear its history |
| 428 | // and start fresh. |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 429 | if (DEBUG_HACKS) Slog.v("InputDevice", "Pointer down @ index " |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 430 | + upOrDownPointer + " id " + mPointerIds[i]); |
| 431 | mHistoryDataStart[i] = 0; |
| 432 | mHistoryDataEnd[i] = 0; |
| 433 | System.arraycopy(rawData, ioff, mHistoryData, poff, |
| 434 | MotionEvent.NUM_SAMPLE_DATA); |
| 435 | System.arraycopy(rawData, ioff, mAveragedData, ioff, |
| 436 | MotionEvent.NUM_SAMPLE_DATA); |
| 437 | continue; |
| 438 | } else { |
| 439 | // The pointer is going up. Just fall through to |
| 440 | // recompute the last averaged point (and don't add |
| 441 | // it as a new point to include in the average). |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 442 | if (DEBUG_HACKS) Slog.v("InputDevice", "Pointer up @ index " |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 443 | + upOrDownPointer + " id " + mPointerIds[i]); |
| 444 | } |
| 445 | } else { |
| 446 | int end = mHistoryDataEnd[i]; |
| 447 | int eoff = poff + (end*MotionEvent.NUM_SAMPLE_DATA); |
| 448 | int oldX = mHistoryData[eoff + MotionEvent.SAMPLE_X]; |
| 449 | int oldY = mHistoryData[eoff + MotionEvent.SAMPLE_Y]; |
| 450 | int newX = rawData[ioff + MotionEvent.SAMPLE_X]; |
| 451 | int newY = rawData[ioff + MotionEvent.SAMPLE_Y]; |
| 452 | int dx = newX-oldX; |
| 453 | int dy = newY-oldY; |
| 454 | int delta = dx*dx + dy*dy; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 455 | if (DEBUG_HACKS) Slog.v("InputDevice", "Delta from last: " + delta); |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 456 | if (delta >= (75*75)) { |
| 457 | // Magic number, if moving farther than this, turn |
| 458 | // off filtering to avoid lag in response. |
| 459 | mHistoryDataStart[i] = 0; |
| 460 | mHistoryDataEnd[i] = 0; |
| 461 | System.arraycopy(rawData, ioff, mHistoryData, poff, |
| 462 | MotionEvent.NUM_SAMPLE_DATA); |
| 463 | System.arraycopy(rawData, ioff, mAveragedData, ioff, |
| 464 | MotionEvent.NUM_SAMPLE_DATA); |
| 465 | continue; |
| 466 | } else { |
| 467 | end++; |
| 468 | if (end >= HISTORY_SIZE) { |
| 469 | end -= HISTORY_SIZE; |
| 470 | } |
| 471 | mHistoryDataEnd[i] = end; |
| 472 | int noff = poff + (end*MotionEvent.NUM_SAMPLE_DATA); |
| 473 | mHistoryData[noff + MotionEvent.SAMPLE_X] = newX; |
| 474 | mHistoryData[noff + MotionEvent.SAMPLE_Y] = newY; |
| 475 | mHistoryData[noff + MotionEvent.SAMPLE_PRESSURE] |
| 476 | = rawData[ioff + MotionEvent.SAMPLE_PRESSURE]; |
| 477 | int start = mHistoryDataStart[i]; |
| 478 | if (end == start) { |
| 479 | start++; |
| 480 | if (start >= HISTORY_SIZE) { |
| 481 | start -= HISTORY_SIZE; |
| 482 | } |
| 483 | mHistoryDataStart[i] = start; |
| 484 | } |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | // Now compute the average. |
| 489 | int start = mHistoryDataStart[i]; |
| 490 | int end = mHistoryDataEnd[i]; |
| 491 | int x=0, y=0; |
| 492 | int totalPressure = 0; |
| 493 | while (start != end) { |
| 494 | int soff = poff + (start*MotionEvent.NUM_SAMPLE_DATA); |
| 495 | int pressure = mHistoryData[soff + MotionEvent.SAMPLE_PRESSURE]; |
Dianne Hackborn | 53cd579 | 2009-10-13 19:50:51 -0700 | [diff] [blame] | 496 | if (pressure <= 0) pressure = 1; |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 497 | x += mHistoryData[soff + MotionEvent.SAMPLE_X] * pressure; |
| 498 | y += mHistoryData[soff + MotionEvent.SAMPLE_Y] * pressure; |
| 499 | totalPressure += pressure; |
| 500 | start++; |
| 501 | if (start >= HISTORY_SIZE) start = 0; |
| 502 | } |
| 503 | int eoff = poff + (end*MotionEvent.NUM_SAMPLE_DATA); |
| 504 | int pressure = mHistoryData[eoff + MotionEvent.SAMPLE_PRESSURE]; |
Dianne Hackborn | 53cd579 | 2009-10-13 19:50:51 -0700 | [diff] [blame] | 505 | if (pressure <= 0) pressure = 1; |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 506 | x += mHistoryData[eoff + MotionEvent.SAMPLE_X] * pressure; |
| 507 | y += mHistoryData[eoff + MotionEvent.SAMPLE_Y] * pressure; |
| 508 | totalPressure += pressure; |
| 509 | x /= totalPressure; |
| 510 | y /= totalPressure; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 511 | if (DEBUG_HACKS) Slog.v("InputDevice", "Averaging " + totalPressure |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 512 | + " weight: (" + x + "," + y + ")"); |
| 513 | mAveragedData[ioff + MotionEvent.SAMPLE_X] = x; |
| 514 | mAveragedData[ioff + MotionEvent.SAMPLE_Y] = y; |
Dianne Hackborn | 0579998 | 2009-11-23 13:08:14 -0800 | [diff] [blame] | 515 | mAveragedData[ioff + MotionEvent.SAMPLE_PRESSURE] = |
| 516 | rawData[ioff + MotionEvent.SAMPLE_PRESSURE]; |
| 517 | mAveragedData[ioff + MotionEvent.SAMPLE_SIZE] = |
| 518 | rawData[ioff + MotionEvent.SAMPLE_SIZE]; |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 519 | } |
| 520 | return mAveragedData; |
| 521 | } |
| 522 | |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 523 | private boolean assignPointer(int nextIndex, boolean allowOverlap) { |
| 524 | final int lastNumPointers = mLastNumPointers; |
| 525 | final int[] next2Last = mNext2Last; |
| 526 | final long[] next2LastDistance = mNext2LastDistance; |
| 527 | final int[] last2Next = mLast2Next; |
| 528 | final int[] lastData = mLastData; |
| 529 | final int[] nextData = mNextData; |
| 530 | final int id = nextIndex * MotionEvent.NUM_SAMPLE_DATA; |
| 531 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 532 | if (DEBUG_POINTERS) Slog.v("InputDevice", "assignPointer: nextIndex=" |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 533 | + nextIndex + " dataOff=" + id); |
| 534 | final int x1 = nextData[id + MotionEvent.SAMPLE_X]; |
| 535 | final int y1 = nextData[id + MotionEvent.SAMPLE_Y]; |
| 536 | |
| 537 | long bestDistance = -1; |
| 538 | int bestIndex = -1; |
| 539 | for (int j=0; j<lastNumPointers; j++) { |
Dianne Hackborn | 709d6db | 2009-12-02 18:42:39 -0800 | [diff] [blame] | 540 | // If we are not allowing multiple new points to be assigned |
| 541 | // to the same old pointer, then skip this one if it is already |
| 542 | // detected as a conflict (-2). |
| 543 | if (!allowOverlap && last2Next[j] < -1) { |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 544 | continue; |
| 545 | } |
| 546 | final int jd = j * MotionEvent.NUM_SAMPLE_DATA; |
| 547 | final int xd = lastData[jd + MotionEvent.SAMPLE_X] - x1; |
| 548 | final int yd = lastData[jd + MotionEvent.SAMPLE_Y] - y1; |
| 549 | final long distance = xd*(long)xd + yd*(long)yd; |
Dianne Hackborn | 709d6db | 2009-12-02 18:42:39 -0800 | [diff] [blame] | 550 | if (bestDistance == -1 || distance < bestDistance) { |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 551 | bestDistance = distance; |
| 552 | bestIndex = j; |
| 553 | } |
| 554 | } |
| 555 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 556 | if (DEBUG_POINTERS) Slog.v("InputDevice", "New index " + nextIndex |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 557 | + " best old index=" + bestIndex + " (distance=" |
| 558 | + bestDistance + ")"); |
| 559 | next2Last[nextIndex] = bestIndex; |
| 560 | next2LastDistance[nextIndex] = bestDistance; |
| 561 | |
| 562 | if (bestIndex < 0) { |
| 563 | return true; |
| 564 | } |
| 565 | |
| 566 | if (last2Next[bestIndex] == -1) { |
| 567 | last2Next[bestIndex] = nextIndex; |
| 568 | return false; |
| 569 | } |
| 570 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 571 | if (DEBUG_POINTERS) Slog.v("InputDevice", "Old index " + bestIndex |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 572 | + " has multiple best new pointers!"); |
| 573 | |
| 574 | last2Next[bestIndex] = -2; |
| 575 | return true; |
| 576 | } |
| 577 | |
| 578 | private int updatePointerIdentifiers() { |
| 579 | final int[] lastData = mLastData; |
| 580 | final int[] nextData = mNextData; |
| 581 | final int nextNumPointers = mNextNumPointers; |
| 582 | final int lastNumPointers = mLastNumPointers; |
| 583 | |
| 584 | if (nextNumPointers == 1 && lastNumPointers == 1) { |
| 585 | System.arraycopy(nextData, 0, lastData, 0, |
| 586 | MotionEvent.NUM_SAMPLE_DATA); |
| 587 | return -1; |
| 588 | } |
| 589 | |
| 590 | // Clear our old state. |
| 591 | final int[] last2Next = mLast2Next; |
| 592 | for (int i=0; i<lastNumPointers; i++) { |
| 593 | last2Next[i] = -1; |
| 594 | } |
| 595 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 596 | if (DEBUG_POINTERS) Slog.v("InputDevice", |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 597 | "Update pointers: lastNumPointers=" + lastNumPointers |
| 598 | + " nextNumPointers=" + nextNumPointers); |
| 599 | |
| 600 | // Figure out the closes new points to the previous points. |
| 601 | final int[] next2Last = mNext2Last; |
| 602 | final long[] next2LastDistance = mNext2LastDistance; |
| 603 | boolean conflicts = false; |
| 604 | for (int i=0; i<nextNumPointers; i++) { |
| 605 | conflicts |= assignPointer(i, true); |
| 606 | } |
| 607 | |
| 608 | // Resolve ambiguities in pointer mappings, when two or more |
| 609 | // new pointer locations find their best previous location is |
| 610 | // the same. |
| 611 | if (conflicts) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 612 | if (DEBUG_POINTERS) Slog.v("InputDevice", "Resolving conflicts"); |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 613 | |
| 614 | for (int i=0; i<lastNumPointers; i++) { |
| 615 | if (last2Next[i] != -2) { |
| 616 | continue; |
| 617 | } |
| 618 | |
| 619 | // Note that this algorithm is far from perfect. Ideally |
| 620 | // we should do something like the one described at |
| 621 | // http://portal.acm.org/citation.cfm?id=997856 |
| 622 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 623 | if (DEBUG_POINTERS) Slog.v("InputDevice", |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 624 | "Resolving last index #" + i); |
| 625 | |
| 626 | int numFound; |
| 627 | do { |
| 628 | numFound = 0; |
| 629 | long worstDistance = 0; |
| 630 | int worstJ = -1; |
| 631 | for (int j=0; j<nextNumPointers; j++) { |
| 632 | if (next2Last[j] != i) { |
| 633 | continue; |
| 634 | } |
| 635 | numFound++; |
| 636 | if (worstDistance < next2LastDistance[j]) { |
| 637 | worstDistance = next2LastDistance[j]; |
| 638 | worstJ = j; |
| 639 | } |
| 640 | } |
| 641 | |
| 642 | if (worstJ >= 0) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 643 | if (DEBUG_POINTERS) Slog.v("InputDevice", |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 644 | "Worst new pointer: " + worstJ |
| 645 | + " (distance=" + worstDistance + ")"); |
| 646 | if (assignPointer(worstJ, false)) { |
| 647 | // In this case there is no last pointer |
| 648 | // remaining for this new one! |
| 649 | next2Last[worstJ] = -1; |
| 650 | } |
| 651 | } |
| 652 | } while (numFound > 2); |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | int retIndex = -1; |
| 657 | |
| 658 | if (lastNumPointers < nextNumPointers) { |
| 659 | // We have one or more new pointers that are down. Create a |
| 660 | // new pointer identifier for one of them. |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 661 | if (DEBUG_POINTERS) Slog.v("InputDevice", "Adding new pointer"); |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 662 | int nextId = 0; |
| 663 | int i=0; |
| 664 | while (i < lastNumPointers) { |
| 665 | if (mPointerIds[i] > nextId) { |
| 666 | // Found a hole, insert the pointer here. |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 667 | if (DEBUG_POINTERS) Slog.v("InputDevice", |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 668 | "Inserting new pointer at hole " + i); |
| 669 | System.arraycopy(mPointerIds, i, mPointerIds, |
| 670 | i+1, lastNumPointers-i); |
| 671 | System.arraycopy(lastData, i*MotionEvent.NUM_SAMPLE_DATA, |
| 672 | lastData, (i+1)*MotionEvent.NUM_SAMPLE_DATA, |
| 673 | (lastNumPointers-i)*MotionEvent.NUM_SAMPLE_DATA); |
| 674 | break; |
| 675 | } |
| 676 | i++; |
| 677 | nextId++; |
| 678 | } |
| 679 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 680 | if (DEBUG_POINTERS) Slog.v("InputDevice", |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 681 | "New pointer id " + nextId + " at index " + i); |
| 682 | |
| 683 | mLastNumPointers++; |
| 684 | retIndex = i; |
| 685 | mPointerIds[i] = nextId; |
| 686 | |
| 687 | // And assign this identifier to the first new pointer. |
| 688 | for (int j=0; j<nextNumPointers; j++) { |
| 689 | if (next2Last[j] < 0) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 690 | if (DEBUG_POINTERS) Slog.v("InputDevice", |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 691 | "Assigning new id to new pointer index " + j); |
| 692 | next2Last[j] = i; |
| 693 | break; |
| 694 | } |
| 695 | } |
| 696 | } |
| 697 | |
| 698 | // Propagate all of the current data into the appropriate |
| 699 | // location in the old data to match the pointer ID that was |
| 700 | // assigned to it. |
| 701 | for (int i=0; i<nextNumPointers; i++) { |
| 702 | int lastIndex = next2Last[i]; |
| 703 | if (lastIndex >= 0) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 704 | if (DEBUG_POINTERS) Slog.v("InputDevice", |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 705 | "Copying next pointer index " + i |
| 706 | + " to last index " + lastIndex); |
| 707 | System.arraycopy(nextData, i*MotionEvent.NUM_SAMPLE_DATA, |
| 708 | lastData, lastIndex*MotionEvent.NUM_SAMPLE_DATA, |
| 709 | MotionEvent.NUM_SAMPLE_DATA); |
| 710 | } |
| 711 | } |
| 712 | |
| 713 | if (lastNumPointers > nextNumPointers) { |
| 714 | // One or more pointers has gone up. Find the first one, |
| 715 | // and adjust accordingly. |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 716 | if (DEBUG_POINTERS) Slog.v("InputDevice", "Removing old pointer"); |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 717 | for (int i=0; i<lastNumPointers; i++) { |
| 718 | if (last2Next[i] == -1) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 719 | if (DEBUG_POINTERS) Slog.v("InputDevice", |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 720 | "Removing old pointer at index " + i); |
| 721 | retIndex = i; |
| 722 | break; |
| 723 | } |
| 724 | } |
| 725 | } |
| 726 | |
| 727 | return retIndex; |
| 728 | } |
| 729 | |
| 730 | void removeOldPointer(int index) { |
| 731 | final int lastNumPointers = mLastNumPointers; |
| 732 | if (index >= 0 && index < lastNumPointers) { |
| 733 | System.arraycopy(mPointerIds, index+1, mPointerIds, |
| 734 | index, lastNumPointers-index-1); |
| 735 | System.arraycopy(mLastData, (index+1)*MotionEvent.NUM_SAMPLE_DATA, |
| 736 | mLastData, (index)*MotionEvent.NUM_SAMPLE_DATA, |
| 737 | (lastNumPointers-index-1)*MotionEvent.NUM_SAMPLE_DATA); |
| 738 | mLastNumPointers--; |
| 739 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 740 | } |
| 741 | |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 742 | MotionEvent generateAbsMotion(InputDevice device, long curTime, |
| 743 | long curTimeNano, Display display, int orientation, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 744 | int metaState) { |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 745 | |
Dianne Hackborn | dc95372 | 2009-10-19 11:24:39 -0700 | [diff] [blame] | 746 | if (mSkipLastPointers) { |
| 747 | mSkipLastPointers = false; |
| 748 | mLastNumPointers = 0; |
| 749 | } |
| 750 | |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 751 | if (mNextNumPointers <= 0 && mLastNumPointers <= 0) { |
| 752 | return null; |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 753 | } |
| 754 | |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 755 | final int lastNumPointers = mLastNumPointers; |
| 756 | final int nextNumPointers = mNextNumPointers; |
| 757 | if (mNextNumPointers > MAX_POINTERS) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 758 | Slog.w("InputDevice", "Number of pointers " + mNextNumPointers |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 759 | + " exceeded maximum of " + MAX_POINTERS); |
| 760 | mNextNumPointers = MAX_POINTERS; |
| 761 | } |
| 762 | |
| 763 | int upOrDownPointer = updatePointerIdentifiers(); |
| 764 | |
| 765 | final float[] reportData = mReportData; |
Dianne Hackborn | 1411d1c | 2009-10-12 23:21:18 -0700 | [diff] [blame] | 766 | final int[] rawData; |
| 767 | if (KeyInputQueue.BAD_TOUCH_HACK) { |
| 768 | rawData = generateAveragedData(upOrDownPointer, lastNumPointers, |
| 769 | nextNumPointers); |
| 770 | } else { |
| 771 | rawData = mLastData; |
| 772 | } |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 773 | |
| 774 | final int numPointers = mLastNumPointers; |
| 775 | |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 776 | if (DEBUG_POINTERS) Slog.v("InputDevice", "Processing " |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 777 | + numPointers + " pointers (going from " + lastNumPointers |
| 778 | + " to " + nextNumPointers + ")"); |
| 779 | |
| 780 | for (int i=0; i<numPointers; i++) { |
| 781 | final int pos = i * MotionEvent.NUM_SAMPLE_DATA; |
| 782 | reportData[pos + MotionEvent.SAMPLE_X] = rawData[pos + MotionEvent.SAMPLE_X]; |
| 783 | reportData[pos + MotionEvent.SAMPLE_Y] = rawData[pos + MotionEvent.SAMPLE_Y]; |
| 784 | reportData[pos + MotionEvent.SAMPLE_PRESSURE] = rawData[pos + MotionEvent.SAMPLE_PRESSURE]; |
| 785 | reportData[pos + MotionEvent.SAMPLE_SIZE] = rawData[pos + MotionEvent.SAMPLE_SIZE]; |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 786 | } |
| 787 | |
| 788 | int action; |
| 789 | int edgeFlags = 0; |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 790 | if (nextNumPointers != lastNumPointers) { |
| 791 | if (nextNumPointers > lastNumPointers) { |
| 792 | if (lastNumPointers == 0) { |
| 793 | action = MotionEvent.ACTION_DOWN; |
| 794 | mDownTime = curTime; |
| 795 | } else { |
| 796 | action = MotionEvent.ACTION_POINTER_DOWN |
Dianne Hackborn | b125dc5 | 2010-02-12 15:52:09 -0800 | [diff] [blame] | 797 | | (upOrDownPointer << MotionEvent.ACTION_POINTER_INDEX_SHIFT); |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 798 | } |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 799 | } else { |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 800 | if (numPointers == 1) { |
| 801 | action = MotionEvent.ACTION_UP; |
| 802 | } else { |
| 803 | action = MotionEvent.ACTION_POINTER_UP |
Dianne Hackborn | b125dc5 | 2010-02-12 15:52:09 -0800 | [diff] [blame] | 804 | | (upOrDownPointer << MotionEvent.ACTION_POINTER_INDEX_SHIFT); |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 805 | } |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 806 | } |
| 807 | currentMove = null; |
| 808 | } else { |
| 809 | action = MotionEvent.ACTION_MOVE; |
| 810 | } |
| 811 | |
| 812 | final int dispW = display.getWidth()-1; |
| 813 | final int dispH = display.getHeight()-1; |
| 814 | int w = dispW; |
| 815 | int h = dispH; |
| 816 | if (orientation == Surface.ROTATION_90 |
| 817 | || orientation == Surface.ROTATION_270) { |
| 818 | int tmp = w; |
| 819 | w = h; |
| 820 | h = tmp; |
| 821 | } |
| 822 | |
| 823 | final AbsoluteInfo absX = device.absX; |
| 824 | final AbsoluteInfo absY = device.absY; |
| 825 | final AbsoluteInfo absPressure = device.absPressure; |
| 826 | final AbsoluteInfo absSize = device.absSize; |
| 827 | for (int i=0; i<numPointers; i++) { |
| 828 | final int j = i * MotionEvent.NUM_SAMPLE_DATA; |
| 829 | |
| 830 | if (absX != null) { |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 831 | reportData[j + MotionEvent.SAMPLE_X] = |
| 832 | ((reportData[j + MotionEvent.SAMPLE_X]-absX.minValue) |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 833 | / absX.range) * w; |
| 834 | } |
| 835 | if (absY != null) { |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 836 | reportData[j + MotionEvent.SAMPLE_Y] = |
| 837 | ((reportData[j + MotionEvent.SAMPLE_Y]-absY.minValue) |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 838 | / absY.range) * h; |
| 839 | } |
| 840 | if (absPressure != null) { |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 841 | reportData[j + MotionEvent.SAMPLE_PRESSURE] = |
| 842 | ((reportData[j + MotionEvent.SAMPLE_PRESSURE]-absPressure.minValue) |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 843 | / (float)absPressure.range); |
| 844 | } |
| 845 | if (absSize != null) { |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 846 | reportData[j + MotionEvent.SAMPLE_SIZE] = |
| 847 | ((reportData[j + MotionEvent.SAMPLE_SIZE]-absSize.minValue) |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 848 | / (float)absSize.range); |
| 849 | } |
| 850 | |
| 851 | switch (orientation) { |
| 852 | case Surface.ROTATION_90: { |
Dianne Hackborn | 2a2b3443 | 2009-08-12 17:13:55 -0700 | [diff] [blame] | 853 | final float temp = reportData[j + MotionEvent.SAMPLE_X]; |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 854 | reportData[j + MotionEvent.SAMPLE_X] = reportData[j + MotionEvent.SAMPLE_Y]; |
| 855 | reportData[j + MotionEvent.SAMPLE_Y] = w-temp; |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 856 | break; |
| 857 | } |
| 858 | case Surface.ROTATION_180: { |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 859 | reportData[j + MotionEvent.SAMPLE_X] = w-reportData[j + MotionEvent.SAMPLE_X]; |
| 860 | reportData[j + MotionEvent.SAMPLE_Y] = h-reportData[j + MotionEvent.SAMPLE_Y]; |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 861 | break; |
| 862 | } |
| 863 | case Surface.ROTATION_270: { |
Dianne Hackborn | 2a2b3443 | 2009-08-12 17:13:55 -0700 | [diff] [blame] | 864 | final float temp = reportData[j + MotionEvent.SAMPLE_X]; |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 865 | reportData[j + MotionEvent.SAMPLE_X] = h-reportData[j + MotionEvent.SAMPLE_Y]; |
| 866 | reportData[j + MotionEvent.SAMPLE_Y] = temp; |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 867 | break; |
| 868 | } |
| 869 | } |
| 870 | } |
| 871 | |
| 872 | // We only consider the first pointer when computing the edge |
| 873 | // flags, since they are global to the event. |
Dianne Hackborn | ddca3ee | 2009-07-23 19:01:31 -0700 | [diff] [blame] | 874 | if (action == MotionEvent.ACTION_DOWN) { |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 875 | if (reportData[MotionEvent.SAMPLE_X] <= 0) { |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 876 | edgeFlags |= MotionEvent.EDGE_LEFT; |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 877 | } else if (reportData[MotionEvent.SAMPLE_X] >= dispW) { |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 878 | edgeFlags |= MotionEvent.EDGE_RIGHT; |
| 879 | } |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 880 | if (reportData[MotionEvent.SAMPLE_Y] <= 0) { |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 881 | edgeFlags |= MotionEvent.EDGE_TOP; |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 882 | } else if (reportData[MotionEvent.SAMPLE_Y] >= dispH) { |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 883 | edgeFlags |= MotionEvent.EDGE_BOTTOM; |
| 884 | } |
| 885 | } |
| 886 | |
| 887 | if (currentMove != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 888 | if (false) Slog.i("InputDevice", "Adding batch x=" |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 889 | + reportData[MotionEvent.SAMPLE_X] |
| 890 | + " y=" + reportData[MotionEvent.SAMPLE_Y] |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 891 | + " to " + currentMove); |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 892 | currentMove.addBatch(curTime, reportData, metaState); |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 893 | if (WindowManagerPolicy.WATCH_POINTER) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 894 | Slog.i("KeyInputQueue", "Updating: " + currentMove); |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 895 | } |
| 896 | return null; |
| 897 | } |
| 898 | |
| 899 | MotionEvent me = MotionEvent.obtainNano(mDownTime, curTime, |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 900 | curTimeNano, action, numPointers, mPointerIds, reportData, |
| 901 | metaState, xPrecision, yPrecision, device.id, edgeFlags); |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 902 | if (action == MotionEvent.ACTION_MOVE) { |
| 903 | currentMove = me; |
| 904 | } |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 905 | |
| 906 | if (nextNumPointers < lastNumPointers) { |
| 907 | removeOldPointer(upOrDownPointer); |
| 908 | } |
| 909 | |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 910 | return me; |
| 911 | } |
| 912 | |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 913 | boolean hasMore() { |
| 914 | return mLastNumPointers != mNextNumPointers; |
| 915 | } |
| 916 | |
| 917 | void finish() { |
| 918 | mNextNumPointers = mAddingPointerOffset = 0; |
| 919 | mNextData[MotionEvent.SAMPLE_PRESSURE] = 0; |
| 920 | } |
| 921 | |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 922 | MotionEvent generateRelMotion(InputDevice device, long curTime, |
| 923 | long curTimeNano, int orientation, int metaState) { |
| 924 | |
| 925 | final float[] scaled = mReportData; |
| 926 | |
| 927 | // For now we only support 1 pointer with relative motions. |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 928 | scaled[MotionEvent.SAMPLE_X] = mNextData[MotionEvent.SAMPLE_X]; |
| 929 | scaled[MotionEvent.SAMPLE_Y] = mNextData[MotionEvent.SAMPLE_Y]; |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 930 | scaled[MotionEvent.SAMPLE_PRESSURE] = 1.0f; |
| 931 | scaled[MotionEvent.SAMPLE_SIZE] = 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 932 | int edgeFlags = 0; |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame] | 933 | |
| 934 | int action; |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 935 | if (mNextNumPointers != mLastNumPointers) { |
| 936 | mNextData[MotionEvent.SAMPLE_X] = |
| 937 | mNextData[MotionEvent.SAMPLE_Y] = 0; |
| 938 | if (mNextNumPointers > 0 && mLastNumPointers == 0) { |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame] | 939 | action = MotionEvent.ACTION_DOWN; |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 940 | mDownTime = curTime; |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 941 | } else if (mNextNumPointers == 0) { |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame] | 942 | action = MotionEvent.ACTION_UP; |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 943 | } else { |
| 944 | action = MotionEvent.ACTION_MOVE; |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame] | 945 | } |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 946 | mLastNumPointers = mNextNumPointers; |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame] | 947 | currentMove = null; |
| 948 | } else { |
| 949 | action = MotionEvent.ACTION_MOVE; |
| 950 | } |
| 951 | |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 952 | scaled[MotionEvent.SAMPLE_X] *= xMoveScale; |
| 953 | scaled[MotionEvent.SAMPLE_Y] *= yMoveScale; |
| 954 | switch (orientation) { |
| 955 | case Surface.ROTATION_90: { |
| 956 | final float temp = scaled[MotionEvent.SAMPLE_X]; |
| 957 | scaled[MotionEvent.SAMPLE_X] = scaled[MotionEvent.SAMPLE_Y]; |
| 958 | scaled[MotionEvent.SAMPLE_Y] = -temp; |
| 959 | break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 960 | } |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 961 | case Surface.ROTATION_180: { |
| 962 | scaled[MotionEvent.SAMPLE_X] = -scaled[MotionEvent.SAMPLE_X]; |
| 963 | scaled[MotionEvent.SAMPLE_Y] = -scaled[MotionEvent.SAMPLE_Y]; |
| 964 | break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 965 | } |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 966 | case Surface.ROTATION_270: { |
| 967 | final float temp = scaled[MotionEvent.SAMPLE_X]; |
| 968 | scaled[MotionEvent.SAMPLE_X] = -scaled[MotionEvent.SAMPLE_Y]; |
| 969 | scaled[MotionEvent.SAMPLE_Y] = temp; |
| 970 | break; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 971 | } |
| 972 | } |
| 973 | |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame] | 974 | if (currentMove != null) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 975 | if (false) Slog.i("InputDevice", "Adding batch x=" |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 976 | + scaled[MotionEvent.SAMPLE_X] |
| 977 | + " y=" + scaled[MotionEvent.SAMPLE_Y] |
| 978 | + " to " + currentMove); |
| 979 | currentMove.addBatch(curTime, scaled, metaState); |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame] | 980 | if (WindowManagerPolicy.WATCH_POINTER) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame] | 981 | Slog.i("KeyInputQueue", "Updating: " + currentMove); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 982 | } |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame] | 983 | return null; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 984 | } |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame] | 985 | |
Dianne Hackborn | 9822d2b | 2009-07-20 17:33:15 -0700 | [diff] [blame] | 986 | MotionEvent me = MotionEvent.obtainNano(mDownTime, curTime, |
Dianne Hackborn | 0dd7cb4 | 2009-08-04 05:49:43 -0700 | [diff] [blame] | 987 | curTimeNano, action, 1, mPointerIds, scaled, metaState, |
Dianne Hackborn | e3dd884 | 2009-07-14 12:06:54 -0700 | [diff] [blame] | 988 | xPrecision, yPrecision, device.id, edgeFlags); |
| 989 | if (action == MotionEvent.ACTION_MOVE) { |
| 990 | currentMove = me; |
| 991 | } |
| 992 | return me; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 993 | } |
| 994 | } |
| 995 | |
| 996 | static class AbsoluteInfo { |
| 997 | int minValue; |
| 998 | int maxValue; |
| 999 | int range; |
| 1000 | int flat; |
| 1001 | int fuzz; |
Dianne Hackborn | a2e9226 | 2010-03-02 17:19:29 -0800 | [diff] [blame] | 1002 | |
| 1003 | final void dump(PrintWriter pw) { |
| 1004 | pw.print("minValue="); pw.print(minValue); |
| 1005 | pw.print(" maxValue="); pw.print(maxValue); |
| 1006 | pw.print(" range="); pw.print(range); |
| 1007 | pw.print(" flat="); pw.print(flat); |
| 1008 | pw.print(" fuzz="); pw.print(fuzz); |
| 1009 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1010 | }; |
| 1011 | |
| 1012 | InputDevice(int _id, int _classes, String _name, |
| 1013 | AbsoluteInfo _absX, AbsoluteInfo _absY, |
| 1014 | AbsoluteInfo _absPressure, AbsoluteInfo _absSize) { |
| 1015 | id = _id; |
| 1016 | classes = _classes; |
| 1017 | name = _name; |
| 1018 | absX = _absX; |
| 1019 | absY = _absY; |
| 1020 | absPressure = _absPressure; |
| 1021 | absSize = _absSize; |
| 1022 | } |
| 1023 | }; |