Prabir Pradhan | 186d5b5 | 2019-08-30 15:27:05 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 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 | #include "Macros.h" |
| 18 | |
| 19 | #include "TouchInputMapper.h" |
| 20 | |
| 21 | #include "CursorButtonAccumulator.h" |
| 22 | #include "CursorScrollAccumulator.h" |
| 23 | #include "TouchButtonAccumulator.h" |
| 24 | #include "TouchCursorInputMapperCommon.h" |
| 25 | |
| 26 | #include <statslog.h> |
| 27 | |
| 28 | // How often to report input event statistics |
| 29 | static constexpr nsecs_t STATISTICS_REPORT_FREQUENCY = seconds_to_nanoseconds(5 * 60); |
| 30 | |
| 31 | namespace android { |
| 32 | |
| 33 | // --- Constants --- |
| 34 | |
| 35 | // Maximum amount of latency to add to touch events while waiting for data from an |
| 36 | // external stylus. |
| 37 | static constexpr nsecs_t EXTERNAL_STYLUS_DATA_TIMEOUT = ms2ns(72); |
| 38 | |
| 39 | // Maximum amount of time to wait on touch data before pushing out new pressure data. |
| 40 | static constexpr nsecs_t TOUCH_DATA_TIMEOUT = ms2ns(20); |
| 41 | |
| 42 | // Artificial latency on synthetic events created from stylus data without corresponding touch |
| 43 | // data. |
| 44 | static constexpr nsecs_t STYLUS_DATA_LATENCY = ms2ns(10); |
| 45 | |
| 46 | // --- Static Definitions --- |
| 47 | |
| 48 | template <typename T> |
| 49 | inline static void swap(T& a, T& b) { |
| 50 | T temp = a; |
| 51 | a = b; |
| 52 | b = temp; |
| 53 | } |
| 54 | |
| 55 | static float calculateCommonVector(float a, float b) { |
| 56 | if (a > 0 && b > 0) { |
| 57 | return a < b ? a : b; |
| 58 | } else if (a < 0 && b < 0) { |
| 59 | return a > b ? a : b; |
| 60 | } else { |
| 61 | return 0; |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | inline static float distance(float x1, float y1, float x2, float y2) { |
| 66 | return hypotf(x1 - x2, y1 - y2); |
| 67 | } |
| 68 | |
| 69 | inline static int32_t signExtendNybble(int32_t value) { |
| 70 | return value >= 8 ? value - 16 : value; |
| 71 | } |
| 72 | |
| 73 | // --- RawPointerAxes --- |
| 74 | |
| 75 | RawPointerAxes::RawPointerAxes() { |
| 76 | clear(); |
| 77 | } |
| 78 | |
| 79 | void RawPointerAxes::clear() { |
| 80 | x.clear(); |
| 81 | y.clear(); |
| 82 | pressure.clear(); |
| 83 | touchMajor.clear(); |
| 84 | touchMinor.clear(); |
| 85 | toolMajor.clear(); |
| 86 | toolMinor.clear(); |
| 87 | orientation.clear(); |
| 88 | distance.clear(); |
| 89 | tiltX.clear(); |
| 90 | tiltY.clear(); |
| 91 | trackingId.clear(); |
| 92 | slot.clear(); |
| 93 | } |
| 94 | |
| 95 | // --- RawPointerData --- |
| 96 | |
| 97 | RawPointerData::RawPointerData() { |
| 98 | clear(); |
| 99 | } |
| 100 | |
| 101 | void RawPointerData::clear() { |
| 102 | pointerCount = 0; |
| 103 | clearIdBits(); |
| 104 | } |
| 105 | |
| 106 | void RawPointerData::copyFrom(const RawPointerData& other) { |
| 107 | pointerCount = other.pointerCount; |
| 108 | hoveringIdBits = other.hoveringIdBits; |
| 109 | touchingIdBits = other.touchingIdBits; |
| 110 | |
| 111 | for (uint32_t i = 0; i < pointerCount; i++) { |
| 112 | pointers[i] = other.pointers[i]; |
| 113 | |
| 114 | int id = pointers[i].id; |
| 115 | idToIndex[id] = other.idToIndex[id]; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | void RawPointerData::getCentroidOfTouchingPointers(float* outX, float* outY) const { |
| 120 | float x = 0, y = 0; |
| 121 | uint32_t count = touchingIdBits.count(); |
| 122 | if (count) { |
| 123 | for (BitSet32 idBits(touchingIdBits); !idBits.isEmpty();) { |
| 124 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 125 | const Pointer& pointer = pointerForId(id); |
| 126 | x += pointer.x; |
| 127 | y += pointer.y; |
| 128 | } |
| 129 | x /= count; |
| 130 | y /= count; |
| 131 | } |
| 132 | *outX = x; |
| 133 | *outY = y; |
| 134 | } |
| 135 | |
| 136 | // --- CookedPointerData --- |
| 137 | |
| 138 | CookedPointerData::CookedPointerData() { |
| 139 | clear(); |
| 140 | } |
| 141 | |
| 142 | void CookedPointerData::clear() { |
| 143 | pointerCount = 0; |
| 144 | hoveringIdBits.clear(); |
| 145 | touchingIdBits.clear(); |
| 146 | } |
| 147 | |
| 148 | void CookedPointerData::copyFrom(const CookedPointerData& other) { |
| 149 | pointerCount = other.pointerCount; |
| 150 | hoveringIdBits = other.hoveringIdBits; |
| 151 | touchingIdBits = other.touchingIdBits; |
| 152 | |
| 153 | for (uint32_t i = 0; i < pointerCount; i++) { |
| 154 | pointerProperties[i].copyFrom(other.pointerProperties[i]); |
| 155 | pointerCoords[i].copyFrom(other.pointerCoords[i]); |
| 156 | |
| 157 | int id = pointerProperties[i].id; |
| 158 | idToIndex[id] = other.idToIndex[id]; |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | // --- TouchInputMapper --- |
| 163 | |
| 164 | TouchInputMapper::TouchInputMapper(InputDevice* device) |
| 165 | : InputMapper(device), |
| 166 | mSource(0), |
| 167 | mDeviceMode(DEVICE_MODE_DISABLED), |
| 168 | mSurfaceWidth(-1), |
| 169 | mSurfaceHeight(-1), |
| 170 | mSurfaceLeft(0), |
| 171 | mSurfaceTop(0), |
| 172 | mPhysicalWidth(-1), |
| 173 | mPhysicalHeight(-1), |
| 174 | mPhysicalLeft(0), |
| 175 | mPhysicalTop(0), |
| 176 | mSurfaceOrientation(DISPLAY_ORIENTATION_0) {} |
| 177 | |
| 178 | TouchInputMapper::~TouchInputMapper() {} |
| 179 | |
| 180 | uint32_t TouchInputMapper::getSources() { |
| 181 | return mSource; |
| 182 | } |
| 183 | |
| 184 | void TouchInputMapper::populateDeviceInfo(InputDeviceInfo* info) { |
| 185 | InputMapper::populateDeviceInfo(info); |
| 186 | |
| 187 | if (mDeviceMode != DEVICE_MODE_DISABLED) { |
| 188 | info->addMotionRange(mOrientedRanges.x); |
| 189 | info->addMotionRange(mOrientedRanges.y); |
| 190 | info->addMotionRange(mOrientedRanges.pressure); |
| 191 | |
| 192 | if (mOrientedRanges.haveSize) { |
| 193 | info->addMotionRange(mOrientedRanges.size); |
| 194 | } |
| 195 | |
| 196 | if (mOrientedRanges.haveTouchSize) { |
| 197 | info->addMotionRange(mOrientedRanges.touchMajor); |
| 198 | info->addMotionRange(mOrientedRanges.touchMinor); |
| 199 | } |
| 200 | |
| 201 | if (mOrientedRanges.haveToolSize) { |
| 202 | info->addMotionRange(mOrientedRanges.toolMajor); |
| 203 | info->addMotionRange(mOrientedRanges.toolMinor); |
| 204 | } |
| 205 | |
| 206 | if (mOrientedRanges.haveOrientation) { |
| 207 | info->addMotionRange(mOrientedRanges.orientation); |
| 208 | } |
| 209 | |
| 210 | if (mOrientedRanges.haveDistance) { |
| 211 | info->addMotionRange(mOrientedRanges.distance); |
| 212 | } |
| 213 | |
| 214 | if (mOrientedRanges.haveTilt) { |
| 215 | info->addMotionRange(mOrientedRanges.tilt); |
| 216 | } |
| 217 | |
| 218 | if (mCursorScrollAccumulator.haveRelativeVWheel()) { |
| 219 | info->addMotionRange(AMOTION_EVENT_AXIS_VSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f, |
| 220 | 0.0f); |
| 221 | } |
| 222 | if (mCursorScrollAccumulator.haveRelativeHWheel()) { |
| 223 | info->addMotionRange(AMOTION_EVENT_AXIS_HSCROLL, mSource, -1.0f, 1.0f, 0.0f, 0.0f, |
| 224 | 0.0f); |
| 225 | } |
| 226 | if (mCalibration.coverageCalibration == Calibration::COVERAGE_CALIBRATION_BOX) { |
| 227 | const InputDeviceInfo::MotionRange& x = mOrientedRanges.x; |
| 228 | const InputDeviceInfo::MotionRange& y = mOrientedRanges.y; |
| 229 | info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_1, mSource, x.min, x.max, x.flat, |
| 230 | x.fuzz, x.resolution); |
| 231 | info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_2, mSource, y.min, y.max, y.flat, |
| 232 | y.fuzz, y.resolution); |
| 233 | info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_3, mSource, x.min, x.max, x.flat, |
| 234 | x.fuzz, x.resolution); |
| 235 | info->addMotionRange(AMOTION_EVENT_AXIS_GENERIC_4, mSource, y.min, y.max, y.flat, |
| 236 | y.fuzz, y.resolution); |
| 237 | } |
| 238 | info->setButtonUnderPad(mParameters.hasButtonUnderPad); |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | void TouchInputMapper::dump(std::string& dump) { |
| 243 | dump += StringPrintf(INDENT2 "Touch Input Mapper (mode - %s):\n", modeToString(mDeviceMode)); |
| 244 | dumpParameters(dump); |
| 245 | dumpVirtualKeys(dump); |
| 246 | dumpRawPointerAxes(dump); |
| 247 | dumpCalibration(dump); |
| 248 | dumpAffineTransformation(dump); |
| 249 | dumpSurface(dump); |
| 250 | |
| 251 | dump += StringPrintf(INDENT3 "Translation and Scaling Factors:\n"); |
| 252 | dump += StringPrintf(INDENT4 "XTranslate: %0.3f\n", mXTranslate); |
| 253 | dump += StringPrintf(INDENT4 "YTranslate: %0.3f\n", mYTranslate); |
| 254 | dump += StringPrintf(INDENT4 "XScale: %0.3f\n", mXScale); |
| 255 | dump += StringPrintf(INDENT4 "YScale: %0.3f\n", mYScale); |
| 256 | dump += StringPrintf(INDENT4 "XPrecision: %0.3f\n", mXPrecision); |
| 257 | dump += StringPrintf(INDENT4 "YPrecision: %0.3f\n", mYPrecision); |
| 258 | dump += StringPrintf(INDENT4 "GeometricScale: %0.3f\n", mGeometricScale); |
| 259 | dump += StringPrintf(INDENT4 "PressureScale: %0.3f\n", mPressureScale); |
| 260 | dump += StringPrintf(INDENT4 "SizeScale: %0.3f\n", mSizeScale); |
| 261 | dump += StringPrintf(INDENT4 "OrientationScale: %0.3f\n", mOrientationScale); |
| 262 | dump += StringPrintf(INDENT4 "DistanceScale: %0.3f\n", mDistanceScale); |
| 263 | dump += StringPrintf(INDENT4 "HaveTilt: %s\n", toString(mHaveTilt)); |
| 264 | dump += StringPrintf(INDENT4 "TiltXCenter: %0.3f\n", mTiltXCenter); |
| 265 | dump += StringPrintf(INDENT4 "TiltXScale: %0.3f\n", mTiltXScale); |
| 266 | dump += StringPrintf(INDENT4 "TiltYCenter: %0.3f\n", mTiltYCenter); |
| 267 | dump += StringPrintf(INDENT4 "TiltYScale: %0.3f\n", mTiltYScale); |
| 268 | |
| 269 | dump += StringPrintf(INDENT3 "Last Raw Button State: 0x%08x\n", mLastRawState.buttonState); |
| 270 | dump += StringPrintf(INDENT3 "Last Raw Touch: pointerCount=%d\n", |
| 271 | mLastRawState.rawPointerData.pointerCount); |
| 272 | for (uint32_t i = 0; i < mLastRawState.rawPointerData.pointerCount; i++) { |
| 273 | const RawPointerData::Pointer& pointer = mLastRawState.rawPointerData.pointers[i]; |
| 274 | dump += StringPrintf(INDENT4 "[%d]: id=%d, x=%d, y=%d, pressure=%d, " |
| 275 | "touchMajor=%d, touchMinor=%d, toolMajor=%d, toolMinor=%d, " |
| 276 | "orientation=%d, tiltX=%d, tiltY=%d, distance=%d, " |
| 277 | "toolType=%d, isHovering=%s\n", |
| 278 | i, pointer.id, pointer.x, pointer.y, pointer.pressure, |
| 279 | pointer.touchMajor, pointer.touchMinor, pointer.toolMajor, |
| 280 | pointer.toolMinor, pointer.orientation, pointer.tiltX, pointer.tiltY, |
| 281 | pointer.distance, pointer.toolType, toString(pointer.isHovering)); |
| 282 | } |
| 283 | |
| 284 | dump += StringPrintf(INDENT3 "Last Cooked Button State: 0x%08x\n", |
| 285 | mLastCookedState.buttonState); |
| 286 | dump += StringPrintf(INDENT3 "Last Cooked Touch: pointerCount=%d\n", |
| 287 | mLastCookedState.cookedPointerData.pointerCount); |
| 288 | for (uint32_t i = 0; i < mLastCookedState.cookedPointerData.pointerCount; i++) { |
| 289 | const PointerProperties& pointerProperties = |
| 290 | mLastCookedState.cookedPointerData.pointerProperties[i]; |
| 291 | const PointerCoords& pointerCoords = mLastCookedState.cookedPointerData.pointerCoords[i]; |
| 292 | dump += StringPrintf(INDENT4 "[%d]: id=%d, x=%0.3f, y=%0.3f, pressure=%0.3f, " |
| 293 | "touchMajor=%0.3f, touchMinor=%0.3f, toolMajor=%0.3f, " |
| 294 | "toolMinor=%0.3f, " |
| 295 | "orientation=%0.3f, tilt=%0.3f, distance=%0.3f, " |
| 296 | "toolType=%d, isHovering=%s\n", |
| 297 | i, pointerProperties.id, pointerCoords.getX(), pointerCoords.getY(), |
| 298 | pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE), |
| 299 | pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR), |
| 300 | pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR), |
| 301 | pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR), |
| 302 | pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR), |
| 303 | pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_ORIENTATION), |
| 304 | pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_TILT), |
| 305 | pointerCoords.getAxisValue(AMOTION_EVENT_AXIS_DISTANCE), |
| 306 | pointerProperties.toolType, |
| 307 | toString(mLastCookedState.cookedPointerData.isHovering(i))); |
| 308 | } |
| 309 | |
| 310 | dump += INDENT3 "Stylus Fusion:\n"; |
| 311 | dump += StringPrintf(INDENT4 "ExternalStylusConnected: %s\n", |
| 312 | toString(mExternalStylusConnected)); |
| 313 | dump += StringPrintf(INDENT4 "External Stylus ID: %" PRId64 "\n", mExternalStylusId); |
| 314 | dump += StringPrintf(INDENT4 "External Stylus Data Timeout: %" PRId64 "\n", |
| 315 | mExternalStylusFusionTimeout); |
| 316 | dump += INDENT3 "External Stylus State:\n"; |
| 317 | dumpStylusState(dump, mExternalStylusState); |
| 318 | |
| 319 | if (mDeviceMode == DEVICE_MODE_POINTER) { |
| 320 | dump += StringPrintf(INDENT3 "Pointer Gesture Detector:\n"); |
| 321 | dump += StringPrintf(INDENT4 "XMovementScale: %0.3f\n", mPointerXMovementScale); |
| 322 | dump += StringPrintf(INDENT4 "YMovementScale: %0.3f\n", mPointerYMovementScale); |
| 323 | dump += StringPrintf(INDENT4 "XZoomScale: %0.3f\n", mPointerXZoomScale); |
| 324 | dump += StringPrintf(INDENT4 "YZoomScale: %0.3f\n", mPointerYZoomScale); |
| 325 | dump += StringPrintf(INDENT4 "MaxSwipeWidth: %f\n", mPointerGestureMaxSwipeWidth); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | const char* TouchInputMapper::modeToString(DeviceMode deviceMode) { |
| 330 | switch (deviceMode) { |
| 331 | case DEVICE_MODE_DISABLED: |
| 332 | return "disabled"; |
| 333 | case DEVICE_MODE_DIRECT: |
| 334 | return "direct"; |
| 335 | case DEVICE_MODE_UNSCALED: |
| 336 | return "unscaled"; |
| 337 | case DEVICE_MODE_NAVIGATION: |
| 338 | return "navigation"; |
| 339 | case DEVICE_MODE_POINTER: |
| 340 | return "pointer"; |
| 341 | } |
| 342 | return "unknown"; |
| 343 | } |
| 344 | |
| 345 | void TouchInputMapper::configure(nsecs_t when, const InputReaderConfiguration* config, |
| 346 | uint32_t changes) { |
| 347 | InputMapper::configure(when, config, changes); |
| 348 | |
| 349 | mConfig = *config; |
| 350 | |
| 351 | if (!changes) { // first time only |
| 352 | // Configure basic parameters. |
| 353 | configureParameters(); |
| 354 | |
| 355 | // Configure common accumulators. |
| 356 | mCursorScrollAccumulator.configure(getDevice()); |
| 357 | mTouchButtonAccumulator.configure(getDevice()); |
| 358 | |
| 359 | // Configure absolute axis information. |
| 360 | configureRawPointerAxes(); |
| 361 | |
| 362 | // Prepare input device calibration. |
| 363 | parseCalibration(); |
| 364 | resolveCalibration(); |
| 365 | } |
| 366 | |
| 367 | if (!changes || (changes & InputReaderConfiguration::CHANGE_TOUCH_AFFINE_TRANSFORMATION)) { |
| 368 | // Update location calibration to reflect current settings |
| 369 | updateAffineTransformation(); |
| 370 | } |
| 371 | |
| 372 | if (!changes || (changes & InputReaderConfiguration::CHANGE_POINTER_SPEED)) { |
| 373 | // Update pointer speed. |
| 374 | mPointerVelocityControl.setParameters(mConfig.pointerVelocityControlParameters); |
| 375 | mWheelXVelocityControl.setParameters(mConfig.wheelVelocityControlParameters); |
| 376 | mWheelYVelocityControl.setParameters(mConfig.wheelVelocityControlParameters); |
| 377 | } |
| 378 | |
| 379 | bool resetNeeded = false; |
| 380 | if (!changes || |
| 381 | (changes & |
| 382 | (InputReaderConfiguration::CHANGE_DISPLAY_INFO | |
| 383 | InputReaderConfiguration::CHANGE_POINTER_GESTURE_ENABLEMENT | |
| 384 | InputReaderConfiguration::CHANGE_SHOW_TOUCHES | |
| 385 | InputReaderConfiguration::CHANGE_EXTERNAL_STYLUS_PRESENCE))) { |
| 386 | // Configure device sources, surface dimensions, orientation and |
| 387 | // scaling factors. |
| 388 | configureSurface(when, &resetNeeded); |
| 389 | } |
| 390 | |
| 391 | if (changes && resetNeeded) { |
| 392 | // Send reset, unless this is the first time the device has been configured, |
| 393 | // in which case the reader will call reset itself after all mappers are ready. |
| 394 | getDevice()->notifyReset(when); |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | void TouchInputMapper::resolveExternalStylusPresence() { |
| 399 | std::vector<InputDeviceInfo> devices; |
| 400 | mContext->getExternalStylusDevices(devices); |
| 401 | mExternalStylusConnected = !devices.empty(); |
| 402 | |
| 403 | if (!mExternalStylusConnected) { |
| 404 | resetExternalStylus(); |
| 405 | } |
| 406 | } |
| 407 | |
| 408 | void TouchInputMapper::configureParameters() { |
| 409 | // Use the pointer presentation mode for devices that do not support distinct |
| 410 | // multitouch. The spot-based presentation relies on being able to accurately |
| 411 | // locate two or more fingers on the touch pad. |
| 412 | mParameters.gestureMode = getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_SEMI_MT) |
| 413 | ? Parameters::GESTURE_MODE_SINGLE_TOUCH |
| 414 | : Parameters::GESTURE_MODE_MULTI_TOUCH; |
| 415 | |
| 416 | String8 gestureModeString; |
| 417 | if (getDevice()->getConfiguration().tryGetProperty(String8("touch.gestureMode"), |
| 418 | gestureModeString)) { |
| 419 | if (gestureModeString == "single-touch") { |
| 420 | mParameters.gestureMode = Parameters::GESTURE_MODE_SINGLE_TOUCH; |
| 421 | } else if (gestureModeString == "multi-touch") { |
| 422 | mParameters.gestureMode = Parameters::GESTURE_MODE_MULTI_TOUCH; |
| 423 | } else if (gestureModeString != "default") { |
| 424 | ALOGW("Invalid value for touch.gestureMode: '%s'", gestureModeString.string()); |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | if (getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_DIRECT)) { |
| 429 | // The device is a touch screen. |
| 430 | mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_SCREEN; |
| 431 | } else if (getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_POINTER)) { |
| 432 | // The device is a pointing device like a track pad. |
| 433 | mParameters.deviceType = Parameters::DEVICE_TYPE_POINTER; |
| 434 | } else if (getEventHub()->hasRelativeAxis(getDeviceId(), REL_X) || |
| 435 | getEventHub()->hasRelativeAxis(getDeviceId(), REL_Y)) { |
| 436 | // The device is a cursor device with a touch pad attached. |
| 437 | // By default don't use the touch pad to move the pointer. |
| 438 | mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_PAD; |
| 439 | } else { |
| 440 | // The device is a touch pad of unknown purpose. |
| 441 | mParameters.deviceType = Parameters::DEVICE_TYPE_POINTER; |
| 442 | } |
| 443 | |
| 444 | mParameters.hasButtonUnderPad = |
| 445 | getEventHub()->hasInputProperty(getDeviceId(), INPUT_PROP_BUTTONPAD); |
| 446 | |
| 447 | String8 deviceTypeString; |
| 448 | if (getDevice()->getConfiguration().tryGetProperty(String8("touch.deviceType"), |
| 449 | deviceTypeString)) { |
| 450 | if (deviceTypeString == "touchScreen") { |
| 451 | mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_SCREEN; |
| 452 | } else if (deviceTypeString == "touchPad") { |
| 453 | mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_PAD; |
| 454 | } else if (deviceTypeString == "touchNavigation") { |
| 455 | mParameters.deviceType = Parameters::DEVICE_TYPE_TOUCH_NAVIGATION; |
| 456 | } else if (deviceTypeString == "pointer") { |
| 457 | mParameters.deviceType = Parameters::DEVICE_TYPE_POINTER; |
| 458 | } else if (deviceTypeString != "default") { |
| 459 | ALOGW("Invalid value for touch.deviceType: '%s'", deviceTypeString.string()); |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | mParameters.orientationAware = mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN; |
| 464 | getDevice()->getConfiguration().tryGetProperty(String8("touch.orientationAware"), |
| 465 | mParameters.orientationAware); |
| 466 | |
| 467 | mParameters.hasAssociatedDisplay = false; |
| 468 | mParameters.associatedDisplayIsExternal = false; |
| 469 | if (mParameters.orientationAware || |
| 470 | mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN || |
| 471 | mParameters.deviceType == Parameters::DEVICE_TYPE_POINTER) { |
| 472 | mParameters.hasAssociatedDisplay = true; |
| 473 | if (mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN) { |
| 474 | mParameters.associatedDisplayIsExternal = getDevice()->isExternal(); |
| 475 | String8 uniqueDisplayId; |
| 476 | getDevice()->getConfiguration().tryGetProperty(String8("touch.displayId"), |
| 477 | uniqueDisplayId); |
| 478 | mParameters.uniqueDisplayId = uniqueDisplayId.c_str(); |
| 479 | } |
| 480 | } |
| 481 | if (getDevice()->getAssociatedDisplayPort()) { |
| 482 | mParameters.hasAssociatedDisplay = true; |
| 483 | } |
| 484 | |
| 485 | // Initial downs on external touch devices should wake the device. |
| 486 | // Normally we don't do this for internal touch screens to prevent them from waking |
| 487 | // up in your pocket but you can enable it using the input device configuration. |
| 488 | mParameters.wake = getDevice()->isExternal(); |
| 489 | getDevice()->getConfiguration().tryGetProperty(String8("touch.wake"), mParameters.wake); |
| 490 | } |
| 491 | |
| 492 | void TouchInputMapper::dumpParameters(std::string& dump) { |
| 493 | dump += INDENT3 "Parameters:\n"; |
| 494 | |
| 495 | switch (mParameters.gestureMode) { |
| 496 | case Parameters::GESTURE_MODE_SINGLE_TOUCH: |
| 497 | dump += INDENT4 "GestureMode: single-touch\n"; |
| 498 | break; |
| 499 | case Parameters::GESTURE_MODE_MULTI_TOUCH: |
| 500 | dump += INDENT4 "GestureMode: multi-touch\n"; |
| 501 | break; |
| 502 | default: |
| 503 | assert(false); |
| 504 | } |
| 505 | |
| 506 | switch (mParameters.deviceType) { |
| 507 | case Parameters::DEVICE_TYPE_TOUCH_SCREEN: |
| 508 | dump += INDENT4 "DeviceType: touchScreen\n"; |
| 509 | break; |
| 510 | case Parameters::DEVICE_TYPE_TOUCH_PAD: |
| 511 | dump += INDENT4 "DeviceType: touchPad\n"; |
| 512 | break; |
| 513 | case Parameters::DEVICE_TYPE_TOUCH_NAVIGATION: |
| 514 | dump += INDENT4 "DeviceType: touchNavigation\n"; |
| 515 | break; |
| 516 | case Parameters::DEVICE_TYPE_POINTER: |
| 517 | dump += INDENT4 "DeviceType: pointer\n"; |
| 518 | break; |
| 519 | default: |
| 520 | ALOG_ASSERT(false); |
| 521 | } |
| 522 | |
| 523 | dump += StringPrintf(INDENT4 "AssociatedDisplay: hasAssociatedDisplay=%s, isExternal=%s, " |
| 524 | "displayId='%s'\n", |
| 525 | toString(mParameters.hasAssociatedDisplay), |
| 526 | toString(mParameters.associatedDisplayIsExternal), |
| 527 | mParameters.uniqueDisplayId.c_str()); |
| 528 | dump += StringPrintf(INDENT4 "OrientationAware: %s\n", toString(mParameters.orientationAware)); |
| 529 | } |
| 530 | |
| 531 | void TouchInputMapper::configureRawPointerAxes() { |
| 532 | mRawPointerAxes.clear(); |
| 533 | } |
| 534 | |
| 535 | void TouchInputMapper::dumpRawPointerAxes(std::string& dump) { |
| 536 | dump += INDENT3 "Raw Touch Axes:\n"; |
| 537 | dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.x, "X"); |
| 538 | dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.y, "Y"); |
| 539 | dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.pressure, "Pressure"); |
| 540 | dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.touchMajor, "TouchMajor"); |
| 541 | dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.touchMinor, "TouchMinor"); |
| 542 | dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.toolMajor, "ToolMajor"); |
| 543 | dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.toolMinor, "ToolMinor"); |
| 544 | dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.orientation, "Orientation"); |
| 545 | dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.distance, "Distance"); |
| 546 | dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.tiltX, "TiltX"); |
| 547 | dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.tiltY, "TiltY"); |
| 548 | dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.trackingId, "TrackingId"); |
| 549 | dumpRawAbsoluteAxisInfo(dump, mRawPointerAxes.slot, "Slot"); |
| 550 | } |
| 551 | |
| 552 | bool TouchInputMapper::hasExternalStylus() const { |
| 553 | return mExternalStylusConnected; |
| 554 | } |
| 555 | |
| 556 | /** |
| 557 | * Determine which DisplayViewport to use. |
| 558 | * 1. If display port is specified, return the matching viewport. If matching viewport not |
| 559 | * found, then return. |
Garfield Tan | 0a080c3 | 2020-01-09 11:39:16 -0800 | [diff] [blame] | 560 | * 2. Always use the suggested viewport from WindowManagerService for pointers. |
| 561 | * 3. If a device has associated display, get the matching viewport by either unique id or by |
Prabir Pradhan | 186d5b5 | 2019-08-30 15:27:05 -0700 | [diff] [blame] | 562 | * the display type (internal or external). |
Garfield Tan | 0a080c3 | 2020-01-09 11:39:16 -0800 | [diff] [blame] | 563 | * 4. Otherwise, use a non-display viewport. |
Prabir Pradhan | 186d5b5 | 2019-08-30 15:27:05 -0700 | [diff] [blame] | 564 | */ |
| 565 | std::optional<DisplayViewport> TouchInputMapper::findViewport() { |
| 566 | if (mParameters.hasAssociatedDisplay) { |
| 567 | const std::optional<uint8_t> displayPort = mDevice->getAssociatedDisplayPort(); |
| 568 | if (displayPort) { |
| 569 | // Find the viewport that contains the same port |
| 570 | std::optional<DisplayViewport> v = mConfig.getDisplayViewportByPort(*displayPort); |
| 571 | if (!v) { |
| 572 | ALOGW("Input device %s should be associated with display on port %" PRIu8 ", " |
| 573 | "but the corresponding viewport is not found.", |
| 574 | getDeviceName().c_str(), *displayPort); |
| 575 | } |
| 576 | return v; |
| 577 | } |
| 578 | |
Garfield Tan | 0a080c3 | 2020-01-09 11:39:16 -0800 | [diff] [blame] | 579 | if (mDeviceMode == DEVICE_MODE_POINTER) { |
| 580 | std::optional<DisplayViewport> viewport = |
| 581 | mConfig.getDisplayViewportById(mConfig.defaultPointerDisplayId); |
| 582 | if (viewport) { |
| 583 | return viewport; |
| 584 | } else { |
| 585 | ALOGW("Can't find designated display viewport with ID %" PRId32 " for pointers.", |
| 586 | mConfig.defaultPointerDisplayId); |
| 587 | } |
| 588 | } |
| 589 | |
| 590 | // Check if uniqueDisplayId is specified in idc file. |
Prabir Pradhan | 186d5b5 | 2019-08-30 15:27:05 -0700 | [diff] [blame] | 591 | if (!mParameters.uniqueDisplayId.empty()) { |
| 592 | return mConfig.getDisplayViewportByUniqueId(mParameters.uniqueDisplayId); |
| 593 | } |
| 594 | |
| 595 | ViewportType viewportTypeToUse; |
| 596 | if (mParameters.associatedDisplayIsExternal) { |
| 597 | viewportTypeToUse = ViewportType::VIEWPORT_EXTERNAL; |
| 598 | } else { |
| 599 | viewportTypeToUse = ViewportType::VIEWPORT_INTERNAL; |
| 600 | } |
| 601 | |
| 602 | std::optional<DisplayViewport> viewport = |
| 603 | mConfig.getDisplayViewportByType(viewportTypeToUse); |
| 604 | if (!viewport && viewportTypeToUse == ViewportType::VIEWPORT_EXTERNAL) { |
| 605 | ALOGW("Input device %s should be associated with external display, " |
| 606 | "fallback to internal one for the external viewport is not found.", |
| 607 | getDeviceName().c_str()); |
| 608 | viewport = mConfig.getDisplayViewportByType(ViewportType::VIEWPORT_INTERNAL); |
| 609 | } |
| 610 | |
| 611 | return viewport; |
| 612 | } |
| 613 | |
| 614 | DisplayViewport newViewport; |
| 615 | // Raw width and height in the natural orientation. |
| 616 | int32_t rawWidth = mRawPointerAxes.getRawWidth(); |
| 617 | int32_t rawHeight = mRawPointerAxes.getRawHeight(); |
| 618 | newViewport.setNonDisplayViewport(rawWidth, rawHeight); |
| 619 | return std::make_optional(newViewport); |
| 620 | } |
| 621 | |
| 622 | void TouchInputMapper::configureSurface(nsecs_t when, bool* outResetNeeded) { |
| 623 | int32_t oldDeviceMode = mDeviceMode; |
| 624 | |
| 625 | resolveExternalStylusPresence(); |
| 626 | |
| 627 | // Determine device mode. |
| 628 | if (mParameters.deviceType == Parameters::DEVICE_TYPE_POINTER && |
| 629 | mConfig.pointerGesturesEnabled) { |
| 630 | mSource = AINPUT_SOURCE_MOUSE; |
| 631 | mDeviceMode = DEVICE_MODE_POINTER; |
| 632 | if (hasStylus()) { |
| 633 | mSource |= AINPUT_SOURCE_STYLUS; |
| 634 | } |
| 635 | } else if (mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_SCREEN && |
| 636 | mParameters.hasAssociatedDisplay) { |
| 637 | mSource = AINPUT_SOURCE_TOUCHSCREEN; |
| 638 | mDeviceMode = DEVICE_MODE_DIRECT; |
| 639 | if (hasStylus()) { |
| 640 | mSource |= AINPUT_SOURCE_STYLUS; |
| 641 | } |
| 642 | if (hasExternalStylus()) { |
| 643 | mSource |= AINPUT_SOURCE_BLUETOOTH_STYLUS; |
| 644 | } |
| 645 | } else if (mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_NAVIGATION) { |
| 646 | mSource = AINPUT_SOURCE_TOUCH_NAVIGATION; |
| 647 | mDeviceMode = DEVICE_MODE_NAVIGATION; |
| 648 | } else { |
| 649 | mSource = AINPUT_SOURCE_TOUCHPAD; |
| 650 | mDeviceMode = DEVICE_MODE_UNSCALED; |
| 651 | } |
| 652 | |
| 653 | // Ensure we have valid X and Y axes. |
| 654 | if (!mRawPointerAxes.x.valid || !mRawPointerAxes.y.valid) { |
| 655 | ALOGW("Touch device '%s' did not report support for X or Y axis! " |
| 656 | "The device will be inoperable.", |
| 657 | getDeviceName().c_str()); |
| 658 | mDeviceMode = DEVICE_MODE_DISABLED; |
| 659 | return; |
| 660 | } |
| 661 | |
| 662 | // Get associated display dimensions. |
| 663 | std::optional<DisplayViewport> newViewport = findViewport(); |
| 664 | if (!newViewport) { |
| 665 | ALOGI("Touch device '%s' could not query the properties of its associated " |
| 666 | "display. The device will be inoperable until the display size " |
| 667 | "becomes available.", |
| 668 | getDeviceName().c_str()); |
| 669 | mDeviceMode = DEVICE_MODE_DISABLED; |
| 670 | return; |
| 671 | } |
| 672 | |
| 673 | // Raw width and height in the natural orientation. |
| 674 | int32_t rawWidth = mRawPointerAxes.getRawWidth(); |
| 675 | int32_t rawHeight = mRawPointerAxes.getRawHeight(); |
| 676 | |
| 677 | bool viewportChanged = mViewport != *newViewport; |
| 678 | if (viewportChanged) { |
| 679 | mViewport = *newViewport; |
| 680 | |
| 681 | if (mDeviceMode == DEVICE_MODE_DIRECT || mDeviceMode == DEVICE_MODE_POINTER) { |
| 682 | // Convert rotated viewport to natural surface coordinates. |
| 683 | int32_t naturalLogicalWidth, naturalLogicalHeight; |
| 684 | int32_t naturalPhysicalWidth, naturalPhysicalHeight; |
| 685 | int32_t naturalPhysicalLeft, naturalPhysicalTop; |
| 686 | int32_t naturalDeviceWidth, naturalDeviceHeight; |
| 687 | switch (mViewport.orientation) { |
| 688 | case DISPLAY_ORIENTATION_90: |
| 689 | naturalLogicalWidth = mViewport.logicalBottom - mViewport.logicalTop; |
| 690 | naturalLogicalHeight = mViewport.logicalRight - mViewport.logicalLeft; |
| 691 | naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop; |
| 692 | naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft; |
| 693 | naturalPhysicalLeft = mViewport.deviceHeight - mViewport.physicalBottom; |
| 694 | naturalPhysicalTop = mViewport.physicalLeft; |
| 695 | naturalDeviceWidth = mViewport.deviceHeight; |
| 696 | naturalDeviceHeight = mViewport.deviceWidth; |
| 697 | break; |
| 698 | case DISPLAY_ORIENTATION_180: |
| 699 | naturalLogicalWidth = mViewport.logicalRight - mViewport.logicalLeft; |
| 700 | naturalLogicalHeight = mViewport.logicalBottom - mViewport.logicalTop; |
| 701 | naturalPhysicalWidth = mViewport.physicalRight - mViewport.physicalLeft; |
| 702 | naturalPhysicalHeight = mViewport.physicalBottom - mViewport.physicalTop; |
| 703 | naturalPhysicalLeft = mViewport.deviceWidth - mViewport.physicalRight; |
| 704 | naturalPhysicalTop = mViewport.deviceHeight - mViewport.physicalBottom; |
| 705 | naturalDeviceWidth = mViewport.deviceWidth; |
| 706 | naturalDeviceHeight = mViewport.deviceHeight; |
| 707 | break; |
| 708 | case DISPLAY_ORIENTATION_270: |
| 709 | naturalLogicalWidth = mViewport.logicalBottom - mViewport.logicalTop; |
| 710 | naturalLogicalHeight = mViewport.logicalRight - mViewport.logicalLeft; |
| 711 | naturalPhysicalWidth = mViewport.physicalBottom - mViewport.physicalTop; |
| 712 | naturalPhysicalHeight = mViewport.physicalRight - mViewport.physicalLeft; |
| 713 | naturalPhysicalLeft = mViewport.physicalTop; |
| 714 | naturalPhysicalTop = mViewport.deviceWidth - mViewport.physicalRight; |
| 715 | naturalDeviceWidth = mViewport.deviceHeight; |
| 716 | naturalDeviceHeight = mViewport.deviceWidth; |
| 717 | break; |
| 718 | case DISPLAY_ORIENTATION_0: |
| 719 | default: |
| 720 | naturalLogicalWidth = mViewport.logicalRight - mViewport.logicalLeft; |
| 721 | naturalLogicalHeight = mViewport.logicalBottom - mViewport.logicalTop; |
| 722 | naturalPhysicalWidth = mViewport.physicalRight - mViewport.physicalLeft; |
| 723 | naturalPhysicalHeight = mViewport.physicalBottom - mViewport.physicalTop; |
| 724 | naturalPhysicalLeft = mViewport.physicalLeft; |
| 725 | naturalPhysicalTop = mViewport.physicalTop; |
| 726 | naturalDeviceWidth = mViewport.deviceWidth; |
| 727 | naturalDeviceHeight = mViewport.deviceHeight; |
| 728 | break; |
| 729 | } |
| 730 | |
| 731 | if (naturalPhysicalHeight == 0 || naturalPhysicalWidth == 0) { |
| 732 | ALOGE("Viewport is not set properly: %s", mViewport.toString().c_str()); |
| 733 | naturalPhysicalHeight = naturalPhysicalHeight == 0 ? 1 : naturalPhysicalHeight; |
| 734 | naturalPhysicalWidth = naturalPhysicalWidth == 0 ? 1 : naturalPhysicalWidth; |
| 735 | } |
| 736 | |
| 737 | mPhysicalWidth = naturalPhysicalWidth; |
| 738 | mPhysicalHeight = naturalPhysicalHeight; |
| 739 | mPhysicalLeft = naturalPhysicalLeft; |
| 740 | mPhysicalTop = naturalPhysicalTop; |
| 741 | |
| 742 | mSurfaceWidth = naturalLogicalWidth * naturalDeviceWidth / naturalPhysicalWidth; |
| 743 | mSurfaceHeight = naturalLogicalHeight * naturalDeviceHeight / naturalPhysicalHeight; |
| 744 | mSurfaceLeft = naturalPhysicalLeft * naturalLogicalWidth / naturalPhysicalWidth; |
| 745 | mSurfaceTop = naturalPhysicalTop * naturalLogicalHeight / naturalPhysicalHeight; |
| 746 | |
| 747 | mSurfaceOrientation = |
| 748 | mParameters.orientationAware ? mViewport.orientation : DISPLAY_ORIENTATION_0; |
| 749 | } else { |
| 750 | mPhysicalWidth = rawWidth; |
| 751 | mPhysicalHeight = rawHeight; |
| 752 | mPhysicalLeft = 0; |
| 753 | mPhysicalTop = 0; |
| 754 | |
| 755 | mSurfaceWidth = rawWidth; |
| 756 | mSurfaceHeight = rawHeight; |
| 757 | mSurfaceLeft = 0; |
| 758 | mSurfaceTop = 0; |
| 759 | mSurfaceOrientation = DISPLAY_ORIENTATION_0; |
| 760 | } |
| 761 | } |
| 762 | |
| 763 | // If moving between pointer modes, need to reset some state. |
| 764 | bool deviceModeChanged = mDeviceMode != oldDeviceMode; |
| 765 | if (deviceModeChanged) { |
| 766 | mOrientedRanges.clear(); |
| 767 | } |
| 768 | |
| 769 | // Create or update pointer controller if needed. |
| 770 | if (mDeviceMode == DEVICE_MODE_POINTER || |
| 771 | (mDeviceMode == DEVICE_MODE_DIRECT && mConfig.showTouches)) { |
| 772 | if (mPointerController == nullptr || viewportChanged) { |
| 773 | mPointerController = getPolicy()->obtainPointerController(getDeviceId()); |
Prabir Pradhan | c6d9967 | 2020-01-31 19:05:41 -0800 | [diff] [blame^] | 774 | // Set the DisplayViewport for the PointerController to the default pointer display |
| 775 | // that is recommended by the configuration before using it. |
| 776 | std::optional<DisplayViewport> defaultViewport = |
| 777 | mConfig.getDisplayViewportById(mConfig.defaultPointerDisplayId); |
| 778 | mPointerController->setDisplayViewport(defaultViewport.value_or(mViewport)); |
Prabir Pradhan | 186d5b5 | 2019-08-30 15:27:05 -0700 | [diff] [blame] | 779 | } |
| 780 | } else { |
| 781 | mPointerController.clear(); |
| 782 | } |
| 783 | |
| 784 | if (viewportChanged || deviceModeChanged) { |
| 785 | ALOGI("Device reconfigured: id=%d, name='%s', size %dx%d, orientation %d, mode %d, " |
| 786 | "display id %d", |
| 787 | getDeviceId(), getDeviceName().c_str(), mSurfaceWidth, mSurfaceHeight, |
| 788 | mSurfaceOrientation, mDeviceMode, mViewport.displayId); |
| 789 | |
| 790 | // Configure X and Y factors. |
| 791 | mXScale = float(mSurfaceWidth) / rawWidth; |
| 792 | mYScale = float(mSurfaceHeight) / rawHeight; |
| 793 | mXTranslate = -mSurfaceLeft; |
| 794 | mYTranslate = -mSurfaceTop; |
| 795 | mXPrecision = 1.0f / mXScale; |
| 796 | mYPrecision = 1.0f / mYScale; |
| 797 | |
| 798 | mOrientedRanges.x.axis = AMOTION_EVENT_AXIS_X; |
| 799 | mOrientedRanges.x.source = mSource; |
| 800 | mOrientedRanges.y.axis = AMOTION_EVENT_AXIS_Y; |
| 801 | mOrientedRanges.y.source = mSource; |
| 802 | |
| 803 | configureVirtualKeys(); |
| 804 | |
| 805 | // Scale factor for terms that are not oriented in a particular axis. |
| 806 | // If the pixels are square then xScale == yScale otherwise we fake it |
| 807 | // by choosing an average. |
| 808 | mGeometricScale = avg(mXScale, mYScale); |
| 809 | |
| 810 | // Size of diagonal axis. |
| 811 | float diagonalSize = hypotf(mSurfaceWidth, mSurfaceHeight); |
| 812 | |
| 813 | // Size factors. |
| 814 | if (mCalibration.sizeCalibration != Calibration::SIZE_CALIBRATION_NONE) { |
| 815 | if (mRawPointerAxes.touchMajor.valid && mRawPointerAxes.touchMajor.maxValue != 0) { |
| 816 | mSizeScale = 1.0f / mRawPointerAxes.touchMajor.maxValue; |
| 817 | } else if (mRawPointerAxes.toolMajor.valid && mRawPointerAxes.toolMajor.maxValue != 0) { |
| 818 | mSizeScale = 1.0f / mRawPointerAxes.toolMajor.maxValue; |
| 819 | } else { |
| 820 | mSizeScale = 0.0f; |
| 821 | } |
| 822 | |
| 823 | mOrientedRanges.haveTouchSize = true; |
| 824 | mOrientedRanges.haveToolSize = true; |
| 825 | mOrientedRanges.haveSize = true; |
| 826 | |
| 827 | mOrientedRanges.touchMajor.axis = AMOTION_EVENT_AXIS_TOUCH_MAJOR; |
| 828 | mOrientedRanges.touchMajor.source = mSource; |
| 829 | mOrientedRanges.touchMajor.min = 0; |
| 830 | mOrientedRanges.touchMajor.max = diagonalSize; |
| 831 | mOrientedRanges.touchMajor.flat = 0; |
| 832 | mOrientedRanges.touchMajor.fuzz = 0; |
| 833 | mOrientedRanges.touchMajor.resolution = 0; |
| 834 | |
| 835 | mOrientedRanges.touchMinor = mOrientedRanges.touchMajor; |
| 836 | mOrientedRanges.touchMinor.axis = AMOTION_EVENT_AXIS_TOUCH_MINOR; |
| 837 | |
| 838 | mOrientedRanges.toolMajor.axis = AMOTION_EVENT_AXIS_TOOL_MAJOR; |
| 839 | mOrientedRanges.toolMajor.source = mSource; |
| 840 | mOrientedRanges.toolMajor.min = 0; |
| 841 | mOrientedRanges.toolMajor.max = diagonalSize; |
| 842 | mOrientedRanges.toolMajor.flat = 0; |
| 843 | mOrientedRanges.toolMajor.fuzz = 0; |
| 844 | mOrientedRanges.toolMajor.resolution = 0; |
| 845 | |
| 846 | mOrientedRanges.toolMinor = mOrientedRanges.toolMajor; |
| 847 | mOrientedRanges.toolMinor.axis = AMOTION_EVENT_AXIS_TOOL_MINOR; |
| 848 | |
| 849 | mOrientedRanges.size.axis = AMOTION_EVENT_AXIS_SIZE; |
| 850 | mOrientedRanges.size.source = mSource; |
| 851 | mOrientedRanges.size.min = 0; |
| 852 | mOrientedRanges.size.max = 1.0; |
| 853 | mOrientedRanges.size.flat = 0; |
| 854 | mOrientedRanges.size.fuzz = 0; |
| 855 | mOrientedRanges.size.resolution = 0; |
| 856 | } else { |
| 857 | mSizeScale = 0.0f; |
| 858 | } |
| 859 | |
| 860 | // Pressure factors. |
| 861 | mPressureScale = 0; |
| 862 | float pressureMax = 1.0; |
| 863 | if (mCalibration.pressureCalibration == Calibration::PRESSURE_CALIBRATION_PHYSICAL || |
| 864 | mCalibration.pressureCalibration == Calibration::PRESSURE_CALIBRATION_AMPLITUDE) { |
| 865 | if (mCalibration.havePressureScale) { |
| 866 | mPressureScale = mCalibration.pressureScale; |
| 867 | pressureMax = mPressureScale * mRawPointerAxes.pressure.maxValue; |
| 868 | } else if (mRawPointerAxes.pressure.valid && mRawPointerAxes.pressure.maxValue != 0) { |
| 869 | mPressureScale = 1.0f / mRawPointerAxes.pressure.maxValue; |
| 870 | } |
| 871 | } |
| 872 | |
| 873 | mOrientedRanges.pressure.axis = AMOTION_EVENT_AXIS_PRESSURE; |
| 874 | mOrientedRanges.pressure.source = mSource; |
| 875 | mOrientedRanges.pressure.min = 0; |
| 876 | mOrientedRanges.pressure.max = pressureMax; |
| 877 | mOrientedRanges.pressure.flat = 0; |
| 878 | mOrientedRanges.pressure.fuzz = 0; |
| 879 | mOrientedRanges.pressure.resolution = 0; |
| 880 | |
| 881 | // Tilt |
| 882 | mTiltXCenter = 0; |
| 883 | mTiltXScale = 0; |
| 884 | mTiltYCenter = 0; |
| 885 | mTiltYScale = 0; |
| 886 | mHaveTilt = mRawPointerAxes.tiltX.valid && mRawPointerAxes.tiltY.valid; |
| 887 | if (mHaveTilt) { |
| 888 | mTiltXCenter = avg(mRawPointerAxes.tiltX.minValue, mRawPointerAxes.tiltX.maxValue); |
| 889 | mTiltYCenter = avg(mRawPointerAxes.tiltY.minValue, mRawPointerAxes.tiltY.maxValue); |
| 890 | mTiltXScale = M_PI / 180; |
| 891 | mTiltYScale = M_PI / 180; |
| 892 | |
| 893 | mOrientedRanges.haveTilt = true; |
| 894 | |
| 895 | mOrientedRanges.tilt.axis = AMOTION_EVENT_AXIS_TILT; |
| 896 | mOrientedRanges.tilt.source = mSource; |
| 897 | mOrientedRanges.tilt.min = 0; |
| 898 | mOrientedRanges.tilt.max = M_PI_2; |
| 899 | mOrientedRanges.tilt.flat = 0; |
| 900 | mOrientedRanges.tilt.fuzz = 0; |
| 901 | mOrientedRanges.tilt.resolution = 0; |
| 902 | } |
| 903 | |
| 904 | // Orientation |
| 905 | mOrientationScale = 0; |
| 906 | if (mHaveTilt) { |
| 907 | mOrientedRanges.haveOrientation = true; |
| 908 | |
| 909 | mOrientedRanges.orientation.axis = AMOTION_EVENT_AXIS_ORIENTATION; |
| 910 | mOrientedRanges.orientation.source = mSource; |
| 911 | mOrientedRanges.orientation.min = -M_PI; |
| 912 | mOrientedRanges.orientation.max = M_PI; |
| 913 | mOrientedRanges.orientation.flat = 0; |
| 914 | mOrientedRanges.orientation.fuzz = 0; |
| 915 | mOrientedRanges.orientation.resolution = 0; |
| 916 | } else if (mCalibration.orientationCalibration != |
| 917 | Calibration::ORIENTATION_CALIBRATION_NONE) { |
| 918 | if (mCalibration.orientationCalibration == |
| 919 | Calibration::ORIENTATION_CALIBRATION_INTERPOLATED) { |
| 920 | if (mRawPointerAxes.orientation.valid) { |
| 921 | if (mRawPointerAxes.orientation.maxValue > 0) { |
| 922 | mOrientationScale = M_PI_2 / mRawPointerAxes.orientation.maxValue; |
| 923 | } else if (mRawPointerAxes.orientation.minValue < 0) { |
| 924 | mOrientationScale = -M_PI_2 / mRawPointerAxes.orientation.minValue; |
| 925 | } else { |
| 926 | mOrientationScale = 0; |
| 927 | } |
| 928 | } |
| 929 | } |
| 930 | |
| 931 | mOrientedRanges.haveOrientation = true; |
| 932 | |
| 933 | mOrientedRanges.orientation.axis = AMOTION_EVENT_AXIS_ORIENTATION; |
| 934 | mOrientedRanges.orientation.source = mSource; |
| 935 | mOrientedRanges.orientation.min = -M_PI_2; |
| 936 | mOrientedRanges.orientation.max = M_PI_2; |
| 937 | mOrientedRanges.orientation.flat = 0; |
| 938 | mOrientedRanges.orientation.fuzz = 0; |
| 939 | mOrientedRanges.orientation.resolution = 0; |
| 940 | } |
| 941 | |
| 942 | // Distance |
| 943 | mDistanceScale = 0; |
| 944 | if (mCalibration.distanceCalibration != Calibration::DISTANCE_CALIBRATION_NONE) { |
| 945 | if (mCalibration.distanceCalibration == Calibration::DISTANCE_CALIBRATION_SCALED) { |
| 946 | if (mCalibration.haveDistanceScale) { |
| 947 | mDistanceScale = mCalibration.distanceScale; |
| 948 | } else { |
| 949 | mDistanceScale = 1.0f; |
| 950 | } |
| 951 | } |
| 952 | |
| 953 | mOrientedRanges.haveDistance = true; |
| 954 | |
| 955 | mOrientedRanges.distance.axis = AMOTION_EVENT_AXIS_DISTANCE; |
| 956 | mOrientedRanges.distance.source = mSource; |
| 957 | mOrientedRanges.distance.min = mRawPointerAxes.distance.minValue * mDistanceScale; |
| 958 | mOrientedRanges.distance.max = mRawPointerAxes.distance.maxValue * mDistanceScale; |
| 959 | mOrientedRanges.distance.flat = 0; |
| 960 | mOrientedRanges.distance.fuzz = mRawPointerAxes.distance.fuzz * mDistanceScale; |
| 961 | mOrientedRanges.distance.resolution = 0; |
| 962 | } |
| 963 | |
| 964 | // Compute oriented precision, scales and ranges. |
| 965 | // Note that the maximum value reported is an inclusive maximum value so it is one |
| 966 | // unit less than the total width or height of surface. |
| 967 | switch (mSurfaceOrientation) { |
| 968 | case DISPLAY_ORIENTATION_90: |
| 969 | case DISPLAY_ORIENTATION_270: |
| 970 | mOrientedXPrecision = mYPrecision; |
| 971 | mOrientedYPrecision = mXPrecision; |
| 972 | |
| 973 | mOrientedRanges.x.min = mYTranslate; |
| 974 | mOrientedRanges.x.max = mSurfaceHeight + mYTranslate - 1; |
| 975 | mOrientedRanges.x.flat = 0; |
| 976 | mOrientedRanges.x.fuzz = 0; |
| 977 | mOrientedRanges.x.resolution = mRawPointerAxes.y.resolution * mYScale; |
| 978 | |
| 979 | mOrientedRanges.y.min = mXTranslate; |
| 980 | mOrientedRanges.y.max = mSurfaceWidth + mXTranslate - 1; |
| 981 | mOrientedRanges.y.flat = 0; |
| 982 | mOrientedRanges.y.fuzz = 0; |
| 983 | mOrientedRanges.y.resolution = mRawPointerAxes.x.resolution * mXScale; |
| 984 | break; |
| 985 | |
| 986 | default: |
| 987 | mOrientedXPrecision = mXPrecision; |
| 988 | mOrientedYPrecision = mYPrecision; |
| 989 | |
| 990 | mOrientedRanges.x.min = mXTranslate; |
| 991 | mOrientedRanges.x.max = mSurfaceWidth + mXTranslate - 1; |
| 992 | mOrientedRanges.x.flat = 0; |
| 993 | mOrientedRanges.x.fuzz = 0; |
| 994 | mOrientedRanges.x.resolution = mRawPointerAxes.x.resolution * mXScale; |
| 995 | |
| 996 | mOrientedRanges.y.min = mYTranslate; |
| 997 | mOrientedRanges.y.max = mSurfaceHeight + mYTranslate - 1; |
| 998 | mOrientedRanges.y.flat = 0; |
| 999 | mOrientedRanges.y.fuzz = 0; |
| 1000 | mOrientedRanges.y.resolution = mRawPointerAxes.y.resolution * mYScale; |
| 1001 | break; |
| 1002 | } |
| 1003 | |
| 1004 | // Location |
| 1005 | updateAffineTransformation(); |
| 1006 | |
| 1007 | if (mDeviceMode == DEVICE_MODE_POINTER) { |
| 1008 | // Compute pointer gesture detection parameters. |
| 1009 | float rawDiagonal = hypotf(rawWidth, rawHeight); |
| 1010 | float displayDiagonal = hypotf(mSurfaceWidth, mSurfaceHeight); |
| 1011 | |
| 1012 | // Scale movements such that one whole swipe of the touch pad covers a |
| 1013 | // given area relative to the diagonal size of the display when no acceleration |
| 1014 | // is applied. |
| 1015 | // Assume that the touch pad has a square aspect ratio such that movements in |
| 1016 | // X and Y of the same number of raw units cover the same physical distance. |
| 1017 | mPointerXMovementScale = |
| 1018 | mConfig.pointerGestureMovementSpeedRatio * displayDiagonal / rawDiagonal; |
| 1019 | mPointerYMovementScale = mPointerXMovementScale; |
| 1020 | |
| 1021 | // Scale zooms to cover a smaller range of the display than movements do. |
| 1022 | // This value determines the area around the pointer that is affected by freeform |
| 1023 | // pointer gestures. |
| 1024 | mPointerXZoomScale = |
| 1025 | mConfig.pointerGestureZoomSpeedRatio * displayDiagonal / rawDiagonal; |
| 1026 | mPointerYZoomScale = mPointerXZoomScale; |
| 1027 | |
| 1028 | // Max width between pointers to detect a swipe gesture is more than some fraction |
| 1029 | // of the diagonal axis of the touch pad. Touches that are wider than this are |
| 1030 | // translated into freeform gestures. |
| 1031 | mPointerGestureMaxSwipeWidth = mConfig.pointerGestureSwipeMaxWidthRatio * rawDiagonal; |
| 1032 | |
| 1033 | // Abort current pointer usages because the state has changed. |
| 1034 | abortPointerUsage(when, 0 /*policyFlags*/); |
| 1035 | } |
| 1036 | |
| 1037 | // Inform the dispatcher about the changes. |
| 1038 | *outResetNeeded = true; |
| 1039 | bumpGeneration(); |
| 1040 | } |
| 1041 | } |
| 1042 | |
| 1043 | void TouchInputMapper::dumpSurface(std::string& dump) { |
| 1044 | dump += StringPrintf(INDENT3 "%s\n", mViewport.toString().c_str()); |
| 1045 | dump += StringPrintf(INDENT3 "SurfaceWidth: %dpx\n", mSurfaceWidth); |
| 1046 | dump += StringPrintf(INDENT3 "SurfaceHeight: %dpx\n", mSurfaceHeight); |
| 1047 | dump += StringPrintf(INDENT3 "SurfaceLeft: %d\n", mSurfaceLeft); |
| 1048 | dump += StringPrintf(INDENT3 "SurfaceTop: %d\n", mSurfaceTop); |
| 1049 | dump += StringPrintf(INDENT3 "PhysicalWidth: %dpx\n", mPhysicalWidth); |
| 1050 | dump += StringPrintf(INDENT3 "PhysicalHeight: %dpx\n", mPhysicalHeight); |
| 1051 | dump += StringPrintf(INDENT3 "PhysicalLeft: %d\n", mPhysicalLeft); |
| 1052 | dump += StringPrintf(INDENT3 "PhysicalTop: %d\n", mPhysicalTop); |
| 1053 | dump += StringPrintf(INDENT3 "SurfaceOrientation: %d\n", mSurfaceOrientation); |
| 1054 | } |
| 1055 | |
| 1056 | void TouchInputMapper::configureVirtualKeys() { |
| 1057 | std::vector<VirtualKeyDefinition> virtualKeyDefinitions; |
| 1058 | getEventHub()->getVirtualKeyDefinitions(getDeviceId(), virtualKeyDefinitions); |
| 1059 | |
| 1060 | mVirtualKeys.clear(); |
| 1061 | |
| 1062 | if (virtualKeyDefinitions.size() == 0) { |
| 1063 | return; |
| 1064 | } |
| 1065 | |
| 1066 | int32_t touchScreenLeft = mRawPointerAxes.x.minValue; |
| 1067 | int32_t touchScreenTop = mRawPointerAxes.y.minValue; |
| 1068 | int32_t touchScreenWidth = mRawPointerAxes.getRawWidth(); |
| 1069 | int32_t touchScreenHeight = mRawPointerAxes.getRawHeight(); |
| 1070 | |
| 1071 | for (const VirtualKeyDefinition& virtualKeyDefinition : virtualKeyDefinitions) { |
| 1072 | VirtualKey virtualKey; |
| 1073 | |
| 1074 | virtualKey.scanCode = virtualKeyDefinition.scanCode; |
| 1075 | int32_t keyCode; |
| 1076 | int32_t dummyKeyMetaState; |
| 1077 | uint32_t flags; |
| 1078 | if (getEventHub()->mapKey(getDeviceId(), virtualKey.scanCode, 0, 0, &keyCode, |
| 1079 | &dummyKeyMetaState, &flags)) { |
| 1080 | ALOGW(INDENT "VirtualKey %d: could not obtain key code, ignoring", virtualKey.scanCode); |
| 1081 | continue; // drop the key |
| 1082 | } |
| 1083 | |
| 1084 | virtualKey.keyCode = keyCode; |
| 1085 | virtualKey.flags = flags; |
| 1086 | |
| 1087 | // convert the key definition's display coordinates into touch coordinates for a hit box |
| 1088 | int32_t halfWidth = virtualKeyDefinition.width / 2; |
| 1089 | int32_t halfHeight = virtualKeyDefinition.height / 2; |
| 1090 | |
| 1091 | virtualKey.hitLeft = |
| 1092 | (virtualKeyDefinition.centerX - halfWidth) * touchScreenWidth / mSurfaceWidth + |
| 1093 | touchScreenLeft; |
| 1094 | virtualKey.hitRight = |
| 1095 | (virtualKeyDefinition.centerX + halfWidth) * touchScreenWidth / mSurfaceWidth + |
| 1096 | touchScreenLeft; |
| 1097 | virtualKey.hitTop = |
| 1098 | (virtualKeyDefinition.centerY - halfHeight) * touchScreenHeight / mSurfaceHeight + |
| 1099 | touchScreenTop; |
| 1100 | virtualKey.hitBottom = |
| 1101 | (virtualKeyDefinition.centerY + halfHeight) * touchScreenHeight / mSurfaceHeight + |
| 1102 | touchScreenTop; |
| 1103 | mVirtualKeys.push_back(virtualKey); |
| 1104 | } |
| 1105 | } |
| 1106 | |
| 1107 | void TouchInputMapper::dumpVirtualKeys(std::string& dump) { |
| 1108 | if (!mVirtualKeys.empty()) { |
| 1109 | dump += INDENT3 "Virtual Keys:\n"; |
| 1110 | |
| 1111 | for (size_t i = 0; i < mVirtualKeys.size(); i++) { |
| 1112 | const VirtualKey& virtualKey = mVirtualKeys[i]; |
| 1113 | dump += StringPrintf(INDENT4 "%zu: scanCode=%d, keyCode=%d, " |
| 1114 | "hitLeft=%d, hitRight=%d, hitTop=%d, hitBottom=%d\n", |
| 1115 | i, virtualKey.scanCode, virtualKey.keyCode, virtualKey.hitLeft, |
| 1116 | virtualKey.hitRight, virtualKey.hitTop, virtualKey.hitBottom); |
| 1117 | } |
| 1118 | } |
| 1119 | } |
| 1120 | |
| 1121 | void TouchInputMapper::parseCalibration() { |
| 1122 | const PropertyMap& in = getDevice()->getConfiguration(); |
| 1123 | Calibration& out = mCalibration; |
| 1124 | |
| 1125 | // Size |
| 1126 | out.sizeCalibration = Calibration::SIZE_CALIBRATION_DEFAULT; |
| 1127 | String8 sizeCalibrationString; |
| 1128 | if (in.tryGetProperty(String8("touch.size.calibration"), sizeCalibrationString)) { |
| 1129 | if (sizeCalibrationString == "none") { |
| 1130 | out.sizeCalibration = Calibration::SIZE_CALIBRATION_NONE; |
| 1131 | } else if (sizeCalibrationString == "geometric") { |
| 1132 | out.sizeCalibration = Calibration::SIZE_CALIBRATION_GEOMETRIC; |
| 1133 | } else if (sizeCalibrationString == "diameter") { |
| 1134 | out.sizeCalibration = Calibration::SIZE_CALIBRATION_DIAMETER; |
| 1135 | } else if (sizeCalibrationString == "box") { |
| 1136 | out.sizeCalibration = Calibration::SIZE_CALIBRATION_BOX; |
| 1137 | } else if (sizeCalibrationString == "area") { |
| 1138 | out.sizeCalibration = Calibration::SIZE_CALIBRATION_AREA; |
| 1139 | } else if (sizeCalibrationString != "default") { |
| 1140 | ALOGW("Invalid value for touch.size.calibration: '%s'", sizeCalibrationString.string()); |
| 1141 | } |
| 1142 | } |
| 1143 | |
| 1144 | out.haveSizeScale = in.tryGetProperty(String8("touch.size.scale"), out.sizeScale); |
| 1145 | out.haveSizeBias = in.tryGetProperty(String8("touch.size.bias"), out.sizeBias); |
| 1146 | out.haveSizeIsSummed = in.tryGetProperty(String8("touch.size.isSummed"), out.sizeIsSummed); |
| 1147 | |
| 1148 | // Pressure |
| 1149 | out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_DEFAULT; |
| 1150 | String8 pressureCalibrationString; |
| 1151 | if (in.tryGetProperty(String8("touch.pressure.calibration"), pressureCalibrationString)) { |
| 1152 | if (pressureCalibrationString == "none") { |
| 1153 | out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_NONE; |
| 1154 | } else if (pressureCalibrationString == "physical") { |
| 1155 | out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_PHYSICAL; |
| 1156 | } else if (pressureCalibrationString == "amplitude") { |
| 1157 | out.pressureCalibration = Calibration::PRESSURE_CALIBRATION_AMPLITUDE; |
| 1158 | } else if (pressureCalibrationString != "default") { |
| 1159 | ALOGW("Invalid value for touch.pressure.calibration: '%s'", |
| 1160 | pressureCalibrationString.string()); |
| 1161 | } |
| 1162 | } |
| 1163 | |
| 1164 | out.havePressureScale = in.tryGetProperty(String8("touch.pressure.scale"), out.pressureScale); |
| 1165 | |
| 1166 | // Orientation |
| 1167 | out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_DEFAULT; |
| 1168 | String8 orientationCalibrationString; |
| 1169 | if (in.tryGetProperty(String8("touch.orientation.calibration"), orientationCalibrationString)) { |
| 1170 | if (orientationCalibrationString == "none") { |
| 1171 | out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_NONE; |
| 1172 | } else if (orientationCalibrationString == "interpolated") { |
| 1173 | out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_INTERPOLATED; |
| 1174 | } else if (orientationCalibrationString == "vector") { |
| 1175 | out.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_VECTOR; |
| 1176 | } else if (orientationCalibrationString != "default") { |
| 1177 | ALOGW("Invalid value for touch.orientation.calibration: '%s'", |
| 1178 | orientationCalibrationString.string()); |
| 1179 | } |
| 1180 | } |
| 1181 | |
| 1182 | // Distance |
| 1183 | out.distanceCalibration = Calibration::DISTANCE_CALIBRATION_DEFAULT; |
| 1184 | String8 distanceCalibrationString; |
| 1185 | if (in.tryGetProperty(String8("touch.distance.calibration"), distanceCalibrationString)) { |
| 1186 | if (distanceCalibrationString == "none") { |
| 1187 | out.distanceCalibration = Calibration::DISTANCE_CALIBRATION_NONE; |
| 1188 | } else if (distanceCalibrationString == "scaled") { |
| 1189 | out.distanceCalibration = Calibration::DISTANCE_CALIBRATION_SCALED; |
| 1190 | } else if (distanceCalibrationString != "default") { |
| 1191 | ALOGW("Invalid value for touch.distance.calibration: '%s'", |
| 1192 | distanceCalibrationString.string()); |
| 1193 | } |
| 1194 | } |
| 1195 | |
| 1196 | out.haveDistanceScale = in.tryGetProperty(String8("touch.distance.scale"), out.distanceScale); |
| 1197 | |
| 1198 | out.coverageCalibration = Calibration::COVERAGE_CALIBRATION_DEFAULT; |
| 1199 | String8 coverageCalibrationString; |
| 1200 | if (in.tryGetProperty(String8("touch.coverage.calibration"), coverageCalibrationString)) { |
| 1201 | if (coverageCalibrationString == "none") { |
| 1202 | out.coverageCalibration = Calibration::COVERAGE_CALIBRATION_NONE; |
| 1203 | } else if (coverageCalibrationString == "box") { |
| 1204 | out.coverageCalibration = Calibration::COVERAGE_CALIBRATION_BOX; |
| 1205 | } else if (coverageCalibrationString != "default") { |
| 1206 | ALOGW("Invalid value for touch.coverage.calibration: '%s'", |
| 1207 | coverageCalibrationString.string()); |
| 1208 | } |
| 1209 | } |
| 1210 | } |
| 1211 | |
| 1212 | void TouchInputMapper::resolveCalibration() { |
| 1213 | // Size |
| 1214 | if (mRawPointerAxes.touchMajor.valid || mRawPointerAxes.toolMajor.valid) { |
| 1215 | if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_DEFAULT) { |
| 1216 | mCalibration.sizeCalibration = Calibration::SIZE_CALIBRATION_GEOMETRIC; |
| 1217 | } |
| 1218 | } else { |
| 1219 | mCalibration.sizeCalibration = Calibration::SIZE_CALIBRATION_NONE; |
| 1220 | } |
| 1221 | |
| 1222 | // Pressure |
| 1223 | if (mRawPointerAxes.pressure.valid) { |
| 1224 | if (mCalibration.pressureCalibration == Calibration::PRESSURE_CALIBRATION_DEFAULT) { |
| 1225 | mCalibration.pressureCalibration = Calibration::PRESSURE_CALIBRATION_PHYSICAL; |
| 1226 | } |
| 1227 | } else { |
| 1228 | mCalibration.pressureCalibration = Calibration::PRESSURE_CALIBRATION_NONE; |
| 1229 | } |
| 1230 | |
| 1231 | // Orientation |
| 1232 | if (mRawPointerAxes.orientation.valid) { |
| 1233 | if (mCalibration.orientationCalibration == Calibration::ORIENTATION_CALIBRATION_DEFAULT) { |
| 1234 | mCalibration.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_INTERPOLATED; |
| 1235 | } |
| 1236 | } else { |
| 1237 | mCalibration.orientationCalibration = Calibration::ORIENTATION_CALIBRATION_NONE; |
| 1238 | } |
| 1239 | |
| 1240 | // Distance |
| 1241 | if (mRawPointerAxes.distance.valid) { |
| 1242 | if (mCalibration.distanceCalibration == Calibration::DISTANCE_CALIBRATION_DEFAULT) { |
| 1243 | mCalibration.distanceCalibration = Calibration::DISTANCE_CALIBRATION_SCALED; |
| 1244 | } |
| 1245 | } else { |
| 1246 | mCalibration.distanceCalibration = Calibration::DISTANCE_CALIBRATION_NONE; |
| 1247 | } |
| 1248 | |
| 1249 | // Coverage |
| 1250 | if (mCalibration.coverageCalibration == Calibration::COVERAGE_CALIBRATION_DEFAULT) { |
| 1251 | mCalibration.coverageCalibration = Calibration::COVERAGE_CALIBRATION_NONE; |
| 1252 | } |
| 1253 | } |
| 1254 | |
| 1255 | void TouchInputMapper::dumpCalibration(std::string& dump) { |
| 1256 | dump += INDENT3 "Calibration:\n"; |
| 1257 | |
| 1258 | // Size |
| 1259 | switch (mCalibration.sizeCalibration) { |
| 1260 | case Calibration::SIZE_CALIBRATION_NONE: |
| 1261 | dump += INDENT4 "touch.size.calibration: none\n"; |
| 1262 | break; |
| 1263 | case Calibration::SIZE_CALIBRATION_GEOMETRIC: |
| 1264 | dump += INDENT4 "touch.size.calibration: geometric\n"; |
| 1265 | break; |
| 1266 | case Calibration::SIZE_CALIBRATION_DIAMETER: |
| 1267 | dump += INDENT4 "touch.size.calibration: diameter\n"; |
| 1268 | break; |
| 1269 | case Calibration::SIZE_CALIBRATION_BOX: |
| 1270 | dump += INDENT4 "touch.size.calibration: box\n"; |
| 1271 | break; |
| 1272 | case Calibration::SIZE_CALIBRATION_AREA: |
| 1273 | dump += INDENT4 "touch.size.calibration: area\n"; |
| 1274 | break; |
| 1275 | default: |
| 1276 | ALOG_ASSERT(false); |
| 1277 | } |
| 1278 | |
| 1279 | if (mCalibration.haveSizeScale) { |
| 1280 | dump += StringPrintf(INDENT4 "touch.size.scale: %0.3f\n", mCalibration.sizeScale); |
| 1281 | } |
| 1282 | |
| 1283 | if (mCalibration.haveSizeBias) { |
| 1284 | dump += StringPrintf(INDENT4 "touch.size.bias: %0.3f\n", mCalibration.sizeBias); |
| 1285 | } |
| 1286 | |
| 1287 | if (mCalibration.haveSizeIsSummed) { |
| 1288 | dump += StringPrintf(INDENT4 "touch.size.isSummed: %s\n", |
| 1289 | toString(mCalibration.sizeIsSummed)); |
| 1290 | } |
| 1291 | |
| 1292 | // Pressure |
| 1293 | switch (mCalibration.pressureCalibration) { |
| 1294 | case Calibration::PRESSURE_CALIBRATION_NONE: |
| 1295 | dump += INDENT4 "touch.pressure.calibration: none\n"; |
| 1296 | break; |
| 1297 | case Calibration::PRESSURE_CALIBRATION_PHYSICAL: |
| 1298 | dump += INDENT4 "touch.pressure.calibration: physical\n"; |
| 1299 | break; |
| 1300 | case Calibration::PRESSURE_CALIBRATION_AMPLITUDE: |
| 1301 | dump += INDENT4 "touch.pressure.calibration: amplitude\n"; |
| 1302 | break; |
| 1303 | default: |
| 1304 | ALOG_ASSERT(false); |
| 1305 | } |
| 1306 | |
| 1307 | if (mCalibration.havePressureScale) { |
| 1308 | dump += StringPrintf(INDENT4 "touch.pressure.scale: %0.3f\n", mCalibration.pressureScale); |
| 1309 | } |
| 1310 | |
| 1311 | // Orientation |
| 1312 | switch (mCalibration.orientationCalibration) { |
| 1313 | case Calibration::ORIENTATION_CALIBRATION_NONE: |
| 1314 | dump += INDENT4 "touch.orientation.calibration: none\n"; |
| 1315 | break; |
| 1316 | case Calibration::ORIENTATION_CALIBRATION_INTERPOLATED: |
| 1317 | dump += INDENT4 "touch.orientation.calibration: interpolated\n"; |
| 1318 | break; |
| 1319 | case Calibration::ORIENTATION_CALIBRATION_VECTOR: |
| 1320 | dump += INDENT4 "touch.orientation.calibration: vector\n"; |
| 1321 | break; |
| 1322 | default: |
| 1323 | ALOG_ASSERT(false); |
| 1324 | } |
| 1325 | |
| 1326 | // Distance |
| 1327 | switch (mCalibration.distanceCalibration) { |
| 1328 | case Calibration::DISTANCE_CALIBRATION_NONE: |
| 1329 | dump += INDENT4 "touch.distance.calibration: none\n"; |
| 1330 | break; |
| 1331 | case Calibration::DISTANCE_CALIBRATION_SCALED: |
| 1332 | dump += INDENT4 "touch.distance.calibration: scaled\n"; |
| 1333 | break; |
| 1334 | default: |
| 1335 | ALOG_ASSERT(false); |
| 1336 | } |
| 1337 | |
| 1338 | if (mCalibration.haveDistanceScale) { |
| 1339 | dump += StringPrintf(INDENT4 "touch.distance.scale: %0.3f\n", mCalibration.distanceScale); |
| 1340 | } |
| 1341 | |
| 1342 | switch (mCalibration.coverageCalibration) { |
| 1343 | case Calibration::COVERAGE_CALIBRATION_NONE: |
| 1344 | dump += INDENT4 "touch.coverage.calibration: none\n"; |
| 1345 | break; |
| 1346 | case Calibration::COVERAGE_CALIBRATION_BOX: |
| 1347 | dump += INDENT4 "touch.coverage.calibration: box\n"; |
| 1348 | break; |
| 1349 | default: |
| 1350 | ALOG_ASSERT(false); |
| 1351 | } |
| 1352 | } |
| 1353 | |
| 1354 | void TouchInputMapper::dumpAffineTransformation(std::string& dump) { |
| 1355 | dump += INDENT3 "Affine Transformation:\n"; |
| 1356 | |
| 1357 | dump += StringPrintf(INDENT4 "X scale: %0.3f\n", mAffineTransform.x_scale); |
| 1358 | dump += StringPrintf(INDENT4 "X ymix: %0.3f\n", mAffineTransform.x_ymix); |
| 1359 | dump += StringPrintf(INDENT4 "X offset: %0.3f\n", mAffineTransform.x_offset); |
| 1360 | dump += StringPrintf(INDENT4 "Y xmix: %0.3f\n", mAffineTransform.y_xmix); |
| 1361 | dump += StringPrintf(INDENT4 "Y scale: %0.3f\n", mAffineTransform.y_scale); |
| 1362 | dump += StringPrintf(INDENT4 "Y offset: %0.3f\n", mAffineTransform.y_offset); |
| 1363 | } |
| 1364 | |
| 1365 | void TouchInputMapper::updateAffineTransformation() { |
| 1366 | mAffineTransform = getPolicy()->getTouchAffineTransformation(mDevice->getDescriptor(), |
| 1367 | mSurfaceOrientation); |
| 1368 | } |
| 1369 | |
| 1370 | void TouchInputMapper::reset(nsecs_t when) { |
| 1371 | mCursorButtonAccumulator.reset(getDevice()); |
| 1372 | mCursorScrollAccumulator.reset(getDevice()); |
| 1373 | mTouchButtonAccumulator.reset(getDevice()); |
| 1374 | |
| 1375 | mPointerVelocityControl.reset(); |
| 1376 | mWheelXVelocityControl.reset(); |
| 1377 | mWheelYVelocityControl.reset(); |
| 1378 | |
| 1379 | mRawStatesPending.clear(); |
| 1380 | mCurrentRawState.clear(); |
| 1381 | mCurrentCookedState.clear(); |
| 1382 | mLastRawState.clear(); |
| 1383 | mLastCookedState.clear(); |
| 1384 | mPointerUsage = POINTER_USAGE_NONE; |
| 1385 | mSentHoverEnter = false; |
| 1386 | mHavePointerIds = false; |
| 1387 | mCurrentMotionAborted = false; |
| 1388 | mDownTime = 0; |
| 1389 | |
| 1390 | mCurrentVirtualKey.down = false; |
| 1391 | |
| 1392 | mPointerGesture.reset(); |
| 1393 | mPointerSimple.reset(); |
| 1394 | resetExternalStylus(); |
| 1395 | |
| 1396 | if (mPointerController != nullptr) { |
| 1397 | mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL); |
| 1398 | mPointerController->clearSpots(); |
| 1399 | } |
| 1400 | |
| 1401 | InputMapper::reset(when); |
| 1402 | } |
| 1403 | |
| 1404 | void TouchInputMapper::resetExternalStylus() { |
| 1405 | mExternalStylusState.clear(); |
| 1406 | mExternalStylusId = -1; |
| 1407 | mExternalStylusFusionTimeout = LLONG_MAX; |
| 1408 | mExternalStylusDataPending = false; |
| 1409 | } |
| 1410 | |
| 1411 | void TouchInputMapper::clearStylusDataPendingFlags() { |
| 1412 | mExternalStylusDataPending = false; |
| 1413 | mExternalStylusFusionTimeout = LLONG_MAX; |
| 1414 | } |
| 1415 | |
| 1416 | void TouchInputMapper::reportEventForStatistics(nsecs_t evdevTime) { |
| 1417 | nsecs_t now = systemTime(CLOCK_MONOTONIC); |
| 1418 | nsecs_t latency = now - evdevTime; |
| 1419 | mStatistics.addValue(nanoseconds_to_microseconds(latency)); |
| 1420 | nsecs_t timeSinceLastReport = now - mStatistics.lastReportTime; |
| 1421 | if (timeSinceLastReport > STATISTICS_REPORT_FREQUENCY) { |
| 1422 | android::util::stats_write(android::util::TOUCH_EVENT_REPORTED, mStatistics.min, |
| 1423 | mStatistics.max, mStatistics.mean(), mStatistics.stdev(), |
| 1424 | mStatistics.count); |
| 1425 | mStatistics.reset(now); |
| 1426 | } |
| 1427 | } |
| 1428 | |
| 1429 | void TouchInputMapper::process(const RawEvent* rawEvent) { |
| 1430 | mCursorButtonAccumulator.process(rawEvent); |
| 1431 | mCursorScrollAccumulator.process(rawEvent); |
| 1432 | mTouchButtonAccumulator.process(rawEvent); |
| 1433 | |
| 1434 | if (rawEvent->type == EV_SYN && rawEvent->code == SYN_REPORT) { |
| 1435 | reportEventForStatistics(rawEvent->when); |
| 1436 | sync(rawEvent->when); |
| 1437 | } |
| 1438 | } |
| 1439 | |
| 1440 | void TouchInputMapper::sync(nsecs_t when) { |
| 1441 | const RawState* last = |
| 1442 | mRawStatesPending.empty() ? &mCurrentRawState : &mRawStatesPending.back(); |
| 1443 | |
| 1444 | // Push a new state. |
| 1445 | mRawStatesPending.emplace_back(); |
| 1446 | |
| 1447 | RawState* next = &mRawStatesPending.back(); |
| 1448 | next->clear(); |
| 1449 | next->when = when; |
| 1450 | |
| 1451 | // Sync button state. |
| 1452 | next->buttonState = |
| 1453 | mTouchButtonAccumulator.getButtonState() | mCursorButtonAccumulator.getButtonState(); |
| 1454 | |
| 1455 | // Sync scroll |
| 1456 | next->rawVScroll = mCursorScrollAccumulator.getRelativeVWheel(); |
| 1457 | next->rawHScroll = mCursorScrollAccumulator.getRelativeHWheel(); |
| 1458 | mCursorScrollAccumulator.finishSync(); |
| 1459 | |
| 1460 | // Sync touch |
| 1461 | syncTouch(when, next); |
| 1462 | |
| 1463 | // Assign pointer ids. |
| 1464 | if (!mHavePointerIds) { |
| 1465 | assignPointerIds(last, next); |
| 1466 | } |
| 1467 | |
| 1468 | #if DEBUG_RAW_EVENTS |
| 1469 | ALOGD("syncTouch: pointerCount %d -> %d, touching ids 0x%08x -> 0x%08x, " |
| 1470 | "hovering ids 0x%08x -> 0x%08x", |
| 1471 | last->rawPointerData.pointerCount, next->rawPointerData.pointerCount, |
| 1472 | last->rawPointerData.touchingIdBits.value, next->rawPointerData.touchingIdBits.value, |
| 1473 | last->rawPointerData.hoveringIdBits.value, next->rawPointerData.hoveringIdBits.value); |
| 1474 | #endif |
| 1475 | |
| 1476 | processRawTouches(false /*timeout*/); |
| 1477 | } |
| 1478 | |
| 1479 | void TouchInputMapper::processRawTouches(bool timeout) { |
| 1480 | if (mDeviceMode == DEVICE_MODE_DISABLED) { |
| 1481 | // Drop all input if the device is disabled. |
| 1482 | mCurrentRawState.clear(); |
| 1483 | mRawStatesPending.clear(); |
| 1484 | return; |
| 1485 | } |
| 1486 | |
| 1487 | // Drain any pending touch states. The invariant here is that the mCurrentRawState is always |
| 1488 | // valid and must go through the full cook and dispatch cycle. This ensures that anything |
| 1489 | // touching the current state will only observe the events that have been dispatched to the |
| 1490 | // rest of the pipeline. |
| 1491 | const size_t N = mRawStatesPending.size(); |
| 1492 | size_t count; |
| 1493 | for (count = 0; count < N; count++) { |
| 1494 | const RawState& next = mRawStatesPending[count]; |
| 1495 | |
| 1496 | // A failure to assign the stylus id means that we're waiting on stylus data |
| 1497 | // and so should defer the rest of the pipeline. |
| 1498 | if (assignExternalStylusId(next, timeout)) { |
| 1499 | break; |
| 1500 | } |
| 1501 | |
| 1502 | // All ready to go. |
| 1503 | clearStylusDataPendingFlags(); |
| 1504 | mCurrentRawState.copyFrom(next); |
| 1505 | if (mCurrentRawState.when < mLastRawState.when) { |
| 1506 | mCurrentRawState.when = mLastRawState.when; |
| 1507 | } |
| 1508 | cookAndDispatch(mCurrentRawState.when); |
| 1509 | } |
| 1510 | if (count != 0) { |
| 1511 | mRawStatesPending.erase(mRawStatesPending.begin(), mRawStatesPending.begin() + count); |
| 1512 | } |
| 1513 | |
| 1514 | if (mExternalStylusDataPending) { |
| 1515 | if (timeout) { |
| 1516 | nsecs_t when = mExternalStylusFusionTimeout - STYLUS_DATA_LATENCY; |
| 1517 | clearStylusDataPendingFlags(); |
| 1518 | mCurrentRawState.copyFrom(mLastRawState); |
| 1519 | #if DEBUG_STYLUS_FUSION |
| 1520 | ALOGD("Timeout expired, synthesizing event with new stylus data"); |
| 1521 | #endif |
| 1522 | cookAndDispatch(when); |
| 1523 | } else if (mExternalStylusFusionTimeout == LLONG_MAX) { |
| 1524 | mExternalStylusFusionTimeout = mExternalStylusState.when + TOUCH_DATA_TIMEOUT; |
| 1525 | getContext()->requestTimeoutAtTime(mExternalStylusFusionTimeout); |
| 1526 | } |
| 1527 | } |
| 1528 | } |
| 1529 | |
| 1530 | void TouchInputMapper::cookAndDispatch(nsecs_t when) { |
| 1531 | // Always start with a clean state. |
| 1532 | mCurrentCookedState.clear(); |
| 1533 | |
| 1534 | // Apply stylus buttons to current raw state. |
| 1535 | applyExternalStylusButtonState(when); |
| 1536 | |
| 1537 | // Handle policy on initial down or hover events. |
| 1538 | bool initialDown = mLastRawState.rawPointerData.pointerCount == 0 && |
| 1539 | mCurrentRawState.rawPointerData.pointerCount != 0; |
| 1540 | |
| 1541 | uint32_t policyFlags = 0; |
| 1542 | bool buttonsPressed = mCurrentRawState.buttonState & ~mLastRawState.buttonState; |
| 1543 | if (initialDown || buttonsPressed) { |
| 1544 | // If this is a touch screen, hide the pointer on an initial down. |
| 1545 | if (mDeviceMode == DEVICE_MODE_DIRECT) { |
| 1546 | getContext()->fadePointer(); |
| 1547 | } |
| 1548 | |
| 1549 | if (mParameters.wake) { |
| 1550 | policyFlags |= POLICY_FLAG_WAKE; |
| 1551 | } |
| 1552 | } |
| 1553 | |
| 1554 | // Consume raw off-screen touches before cooking pointer data. |
| 1555 | // If touches are consumed, subsequent code will not receive any pointer data. |
| 1556 | if (consumeRawTouches(when, policyFlags)) { |
| 1557 | mCurrentRawState.rawPointerData.clear(); |
| 1558 | } |
| 1559 | |
| 1560 | // Cook pointer data. This call populates the mCurrentCookedState.cookedPointerData structure |
| 1561 | // with cooked pointer data that has the same ids and indices as the raw data. |
| 1562 | // The following code can use either the raw or cooked data, as needed. |
| 1563 | cookPointerData(); |
| 1564 | |
| 1565 | // Apply stylus pressure to current cooked state. |
| 1566 | applyExternalStylusTouchState(when); |
| 1567 | |
| 1568 | // Synthesize key down from raw buttons if needed. |
| 1569 | synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_DOWN, when, getDeviceId(), mSource, |
| 1570 | mViewport.displayId, policyFlags, mLastCookedState.buttonState, |
| 1571 | mCurrentCookedState.buttonState); |
| 1572 | |
| 1573 | // Dispatch the touches either directly or by translation through a pointer on screen. |
| 1574 | if (mDeviceMode == DEVICE_MODE_POINTER) { |
| 1575 | for (BitSet32 idBits(mCurrentRawState.rawPointerData.touchingIdBits); !idBits.isEmpty();) { |
| 1576 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 1577 | const RawPointerData::Pointer& pointer = |
| 1578 | mCurrentRawState.rawPointerData.pointerForId(id); |
| 1579 | if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS || |
| 1580 | pointer.toolType == AMOTION_EVENT_TOOL_TYPE_ERASER) { |
| 1581 | mCurrentCookedState.stylusIdBits.markBit(id); |
| 1582 | } else if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_FINGER || |
| 1583 | pointer.toolType == AMOTION_EVENT_TOOL_TYPE_UNKNOWN) { |
| 1584 | mCurrentCookedState.fingerIdBits.markBit(id); |
| 1585 | } else if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_MOUSE) { |
| 1586 | mCurrentCookedState.mouseIdBits.markBit(id); |
| 1587 | } |
| 1588 | } |
| 1589 | for (BitSet32 idBits(mCurrentRawState.rawPointerData.hoveringIdBits); !idBits.isEmpty();) { |
| 1590 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 1591 | const RawPointerData::Pointer& pointer = |
| 1592 | mCurrentRawState.rawPointerData.pointerForId(id); |
| 1593 | if (pointer.toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS || |
| 1594 | pointer.toolType == AMOTION_EVENT_TOOL_TYPE_ERASER) { |
| 1595 | mCurrentCookedState.stylusIdBits.markBit(id); |
| 1596 | } |
| 1597 | } |
| 1598 | |
| 1599 | // Stylus takes precedence over all tools, then mouse, then finger. |
| 1600 | PointerUsage pointerUsage = mPointerUsage; |
| 1601 | if (!mCurrentCookedState.stylusIdBits.isEmpty()) { |
| 1602 | mCurrentCookedState.mouseIdBits.clear(); |
| 1603 | mCurrentCookedState.fingerIdBits.clear(); |
| 1604 | pointerUsage = POINTER_USAGE_STYLUS; |
| 1605 | } else if (!mCurrentCookedState.mouseIdBits.isEmpty()) { |
| 1606 | mCurrentCookedState.fingerIdBits.clear(); |
| 1607 | pointerUsage = POINTER_USAGE_MOUSE; |
| 1608 | } else if (!mCurrentCookedState.fingerIdBits.isEmpty() || |
| 1609 | isPointerDown(mCurrentRawState.buttonState)) { |
| 1610 | pointerUsage = POINTER_USAGE_GESTURES; |
| 1611 | } |
| 1612 | |
| 1613 | dispatchPointerUsage(when, policyFlags, pointerUsage); |
| 1614 | } else { |
| 1615 | if (mDeviceMode == DEVICE_MODE_DIRECT && mConfig.showTouches && |
| 1616 | mPointerController != nullptr) { |
| 1617 | mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_SPOT); |
| 1618 | mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL); |
| 1619 | |
| 1620 | mPointerController->setButtonState(mCurrentRawState.buttonState); |
| 1621 | mPointerController->setSpots(mCurrentCookedState.cookedPointerData.pointerCoords, |
| 1622 | mCurrentCookedState.cookedPointerData.idToIndex, |
| 1623 | mCurrentCookedState.cookedPointerData.touchingIdBits, |
| 1624 | mViewport.displayId); |
| 1625 | } |
| 1626 | |
| 1627 | if (!mCurrentMotionAborted) { |
| 1628 | dispatchButtonRelease(when, policyFlags); |
| 1629 | dispatchHoverExit(when, policyFlags); |
| 1630 | dispatchTouches(when, policyFlags); |
| 1631 | dispatchHoverEnterAndMove(when, policyFlags); |
| 1632 | dispatchButtonPress(when, policyFlags); |
| 1633 | } |
| 1634 | |
| 1635 | if (mCurrentCookedState.cookedPointerData.pointerCount == 0) { |
| 1636 | mCurrentMotionAborted = false; |
| 1637 | } |
| 1638 | } |
| 1639 | |
| 1640 | // Synthesize key up from raw buttons if needed. |
| 1641 | synthesizeButtonKeys(getContext(), AKEY_EVENT_ACTION_UP, when, getDeviceId(), mSource, |
| 1642 | mViewport.displayId, policyFlags, mLastCookedState.buttonState, |
| 1643 | mCurrentCookedState.buttonState); |
| 1644 | |
| 1645 | // Clear some transient state. |
| 1646 | mCurrentRawState.rawVScroll = 0; |
| 1647 | mCurrentRawState.rawHScroll = 0; |
| 1648 | |
| 1649 | // Copy current touch to last touch in preparation for the next cycle. |
| 1650 | mLastRawState.copyFrom(mCurrentRawState); |
| 1651 | mLastCookedState.copyFrom(mCurrentCookedState); |
| 1652 | } |
| 1653 | |
| 1654 | void TouchInputMapper::applyExternalStylusButtonState(nsecs_t when) { |
| 1655 | if (mDeviceMode == DEVICE_MODE_DIRECT && hasExternalStylus() && mExternalStylusId != -1) { |
| 1656 | mCurrentRawState.buttonState |= mExternalStylusState.buttons; |
| 1657 | } |
| 1658 | } |
| 1659 | |
| 1660 | void TouchInputMapper::applyExternalStylusTouchState(nsecs_t when) { |
| 1661 | CookedPointerData& currentPointerData = mCurrentCookedState.cookedPointerData; |
| 1662 | const CookedPointerData& lastPointerData = mLastCookedState.cookedPointerData; |
| 1663 | |
| 1664 | if (mExternalStylusId != -1 && currentPointerData.isTouching(mExternalStylusId)) { |
| 1665 | float pressure = mExternalStylusState.pressure; |
| 1666 | if (pressure == 0.0f && lastPointerData.isTouching(mExternalStylusId)) { |
| 1667 | const PointerCoords& coords = lastPointerData.pointerCoordsForId(mExternalStylusId); |
| 1668 | pressure = coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE); |
| 1669 | } |
| 1670 | PointerCoords& coords = currentPointerData.editPointerCoordsWithId(mExternalStylusId); |
| 1671 | coords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, pressure); |
| 1672 | |
| 1673 | PointerProperties& properties = |
| 1674 | currentPointerData.editPointerPropertiesWithId(mExternalStylusId); |
| 1675 | if (mExternalStylusState.toolType != AMOTION_EVENT_TOOL_TYPE_UNKNOWN) { |
| 1676 | properties.toolType = mExternalStylusState.toolType; |
| 1677 | } |
| 1678 | } |
| 1679 | } |
| 1680 | |
| 1681 | bool TouchInputMapper::assignExternalStylusId(const RawState& state, bool timeout) { |
| 1682 | if (mDeviceMode != DEVICE_MODE_DIRECT || !hasExternalStylus()) { |
| 1683 | return false; |
| 1684 | } |
| 1685 | |
| 1686 | const bool initialDown = mLastRawState.rawPointerData.pointerCount == 0 && |
| 1687 | state.rawPointerData.pointerCount != 0; |
| 1688 | if (initialDown) { |
| 1689 | if (mExternalStylusState.pressure != 0.0f) { |
| 1690 | #if DEBUG_STYLUS_FUSION |
| 1691 | ALOGD("Have both stylus and touch data, beginning fusion"); |
| 1692 | #endif |
| 1693 | mExternalStylusId = state.rawPointerData.touchingIdBits.firstMarkedBit(); |
| 1694 | } else if (timeout) { |
| 1695 | #if DEBUG_STYLUS_FUSION |
| 1696 | ALOGD("Timeout expired, assuming touch is not a stylus."); |
| 1697 | #endif |
| 1698 | resetExternalStylus(); |
| 1699 | } else { |
| 1700 | if (mExternalStylusFusionTimeout == LLONG_MAX) { |
| 1701 | mExternalStylusFusionTimeout = state.when + EXTERNAL_STYLUS_DATA_TIMEOUT; |
| 1702 | } |
| 1703 | #if DEBUG_STYLUS_FUSION |
| 1704 | ALOGD("No stylus data but stylus is connected, requesting timeout " |
| 1705 | "(%" PRId64 "ms)", |
| 1706 | mExternalStylusFusionTimeout); |
| 1707 | #endif |
| 1708 | getContext()->requestTimeoutAtTime(mExternalStylusFusionTimeout); |
| 1709 | return true; |
| 1710 | } |
| 1711 | } |
| 1712 | |
| 1713 | // Check if the stylus pointer has gone up. |
| 1714 | if (mExternalStylusId != -1 && !state.rawPointerData.touchingIdBits.hasBit(mExternalStylusId)) { |
| 1715 | #if DEBUG_STYLUS_FUSION |
| 1716 | ALOGD("Stylus pointer is going up"); |
| 1717 | #endif |
| 1718 | mExternalStylusId = -1; |
| 1719 | } |
| 1720 | |
| 1721 | return false; |
| 1722 | } |
| 1723 | |
| 1724 | void TouchInputMapper::timeoutExpired(nsecs_t when) { |
| 1725 | if (mDeviceMode == DEVICE_MODE_POINTER) { |
| 1726 | if (mPointerUsage == POINTER_USAGE_GESTURES) { |
| 1727 | dispatchPointerGestures(when, 0 /*policyFlags*/, true /*isTimeout*/); |
| 1728 | } |
| 1729 | } else if (mDeviceMode == DEVICE_MODE_DIRECT) { |
| 1730 | if (mExternalStylusFusionTimeout < when) { |
| 1731 | processRawTouches(true /*timeout*/); |
| 1732 | } else if (mExternalStylusFusionTimeout != LLONG_MAX) { |
| 1733 | getContext()->requestTimeoutAtTime(mExternalStylusFusionTimeout); |
| 1734 | } |
| 1735 | } |
| 1736 | } |
| 1737 | |
| 1738 | void TouchInputMapper::updateExternalStylusState(const StylusState& state) { |
| 1739 | mExternalStylusState.copyFrom(state); |
| 1740 | if (mExternalStylusId != -1 || mExternalStylusFusionTimeout != LLONG_MAX) { |
| 1741 | // We're either in the middle of a fused stream of data or we're waiting on data before |
| 1742 | // dispatching the initial down, so go ahead and dispatch now that we have fresh stylus |
| 1743 | // data. |
| 1744 | mExternalStylusDataPending = true; |
| 1745 | processRawTouches(false /*timeout*/); |
| 1746 | } |
| 1747 | } |
| 1748 | |
| 1749 | bool TouchInputMapper::consumeRawTouches(nsecs_t when, uint32_t policyFlags) { |
| 1750 | // Check for release of a virtual key. |
| 1751 | if (mCurrentVirtualKey.down) { |
| 1752 | if (mCurrentRawState.rawPointerData.touchingIdBits.isEmpty()) { |
| 1753 | // Pointer went up while virtual key was down. |
| 1754 | mCurrentVirtualKey.down = false; |
| 1755 | if (!mCurrentVirtualKey.ignored) { |
| 1756 | #if DEBUG_VIRTUAL_KEYS |
| 1757 | ALOGD("VirtualKeys: Generating key up: keyCode=%d, scanCode=%d", |
| 1758 | mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode); |
| 1759 | #endif |
| 1760 | dispatchVirtualKey(when, policyFlags, AKEY_EVENT_ACTION_UP, |
| 1761 | AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY); |
| 1762 | } |
| 1763 | return true; |
| 1764 | } |
| 1765 | |
| 1766 | if (mCurrentRawState.rawPointerData.touchingIdBits.count() == 1) { |
| 1767 | uint32_t id = mCurrentRawState.rawPointerData.touchingIdBits.firstMarkedBit(); |
| 1768 | const RawPointerData::Pointer& pointer = |
| 1769 | mCurrentRawState.rawPointerData.pointerForId(id); |
| 1770 | const VirtualKey* virtualKey = findVirtualKeyHit(pointer.x, pointer.y); |
| 1771 | if (virtualKey && virtualKey->keyCode == mCurrentVirtualKey.keyCode) { |
| 1772 | // Pointer is still within the space of the virtual key. |
| 1773 | return true; |
| 1774 | } |
| 1775 | } |
| 1776 | |
| 1777 | // Pointer left virtual key area or another pointer also went down. |
| 1778 | // Send key cancellation but do not consume the touch yet. |
| 1779 | // This is useful when the user swipes through from the virtual key area |
| 1780 | // into the main display surface. |
| 1781 | mCurrentVirtualKey.down = false; |
| 1782 | if (!mCurrentVirtualKey.ignored) { |
| 1783 | #if DEBUG_VIRTUAL_KEYS |
| 1784 | ALOGD("VirtualKeys: Canceling key: keyCode=%d, scanCode=%d", mCurrentVirtualKey.keyCode, |
| 1785 | mCurrentVirtualKey.scanCode); |
| 1786 | #endif |
| 1787 | dispatchVirtualKey(when, policyFlags, AKEY_EVENT_ACTION_UP, |
| 1788 | AKEY_EVENT_FLAG_FROM_SYSTEM | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY | |
| 1789 | AKEY_EVENT_FLAG_CANCELED); |
| 1790 | } |
| 1791 | } |
| 1792 | |
| 1793 | if (mLastRawState.rawPointerData.touchingIdBits.isEmpty() && |
| 1794 | !mCurrentRawState.rawPointerData.touchingIdBits.isEmpty()) { |
| 1795 | // Pointer just went down. Check for virtual key press or off-screen touches. |
| 1796 | uint32_t id = mCurrentRawState.rawPointerData.touchingIdBits.firstMarkedBit(); |
| 1797 | const RawPointerData::Pointer& pointer = mCurrentRawState.rawPointerData.pointerForId(id); |
| 1798 | if (!isPointInsideSurface(pointer.x, pointer.y)) { |
| 1799 | // If exactly one pointer went down, check for virtual key hit. |
| 1800 | // Otherwise we will drop the entire stroke. |
| 1801 | if (mCurrentRawState.rawPointerData.touchingIdBits.count() == 1) { |
| 1802 | const VirtualKey* virtualKey = findVirtualKeyHit(pointer.x, pointer.y); |
| 1803 | if (virtualKey) { |
| 1804 | mCurrentVirtualKey.down = true; |
| 1805 | mCurrentVirtualKey.downTime = when; |
| 1806 | mCurrentVirtualKey.keyCode = virtualKey->keyCode; |
| 1807 | mCurrentVirtualKey.scanCode = virtualKey->scanCode; |
| 1808 | mCurrentVirtualKey.ignored = |
| 1809 | mContext->shouldDropVirtualKey(when, getDevice(), virtualKey->keyCode, |
| 1810 | virtualKey->scanCode); |
| 1811 | |
| 1812 | if (!mCurrentVirtualKey.ignored) { |
| 1813 | #if DEBUG_VIRTUAL_KEYS |
| 1814 | ALOGD("VirtualKeys: Generating key down: keyCode=%d, scanCode=%d", |
| 1815 | mCurrentVirtualKey.keyCode, mCurrentVirtualKey.scanCode); |
| 1816 | #endif |
| 1817 | dispatchVirtualKey(when, policyFlags, AKEY_EVENT_ACTION_DOWN, |
| 1818 | AKEY_EVENT_FLAG_FROM_SYSTEM | |
| 1819 | AKEY_EVENT_FLAG_VIRTUAL_HARD_KEY); |
| 1820 | } |
| 1821 | } |
| 1822 | } |
| 1823 | return true; |
| 1824 | } |
| 1825 | } |
| 1826 | |
| 1827 | // Disable all virtual key touches that happen within a short time interval of the |
| 1828 | // most recent touch within the screen area. The idea is to filter out stray |
| 1829 | // virtual key presses when interacting with the touch screen. |
| 1830 | // |
| 1831 | // Problems we're trying to solve: |
| 1832 | // |
| 1833 | // 1. While scrolling a list or dragging the window shade, the user swipes down into a |
| 1834 | // virtual key area that is implemented by a separate touch panel and accidentally |
| 1835 | // triggers a virtual key. |
| 1836 | // |
| 1837 | // 2. While typing in the on screen keyboard, the user taps slightly outside the screen |
| 1838 | // area and accidentally triggers a virtual key. This often happens when virtual keys |
| 1839 | // are layed out below the screen near to where the on screen keyboard's space bar |
| 1840 | // is displayed. |
| 1841 | if (mConfig.virtualKeyQuietTime > 0 && |
| 1842 | !mCurrentRawState.rawPointerData.touchingIdBits.isEmpty()) { |
| 1843 | mContext->disableVirtualKeysUntil(when + mConfig.virtualKeyQuietTime); |
| 1844 | } |
| 1845 | return false; |
| 1846 | } |
| 1847 | |
| 1848 | void TouchInputMapper::dispatchVirtualKey(nsecs_t when, uint32_t policyFlags, |
| 1849 | int32_t keyEventAction, int32_t keyEventFlags) { |
| 1850 | int32_t keyCode = mCurrentVirtualKey.keyCode; |
| 1851 | int32_t scanCode = mCurrentVirtualKey.scanCode; |
| 1852 | nsecs_t downTime = mCurrentVirtualKey.downTime; |
| 1853 | int32_t metaState = mContext->getGlobalMetaState(); |
| 1854 | policyFlags |= POLICY_FLAG_VIRTUAL; |
| 1855 | |
| 1856 | NotifyKeyArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), AINPUT_SOURCE_KEYBOARD, |
| 1857 | mViewport.displayId, policyFlags, keyEventAction, keyEventFlags, keyCode, |
| 1858 | scanCode, metaState, downTime); |
| 1859 | getListener()->notifyKey(&args); |
| 1860 | } |
| 1861 | |
| 1862 | void TouchInputMapper::abortTouches(nsecs_t when, uint32_t policyFlags) { |
| 1863 | BitSet32 currentIdBits = mCurrentCookedState.cookedPointerData.touchingIdBits; |
| 1864 | if (!currentIdBits.isEmpty()) { |
| 1865 | int32_t metaState = getContext()->getGlobalMetaState(); |
| 1866 | int32_t buttonState = mCurrentCookedState.buttonState; |
| 1867 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_CANCEL, 0, 0, metaState, |
| 1868 | buttonState, AMOTION_EVENT_EDGE_FLAG_NONE, |
| 1869 | mCurrentCookedState.deviceTimestamp, |
| 1870 | mCurrentCookedState.cookedPointerData.pointerProperties, |
| 1871 | mCurrentCookedState.cookedPointerData.pointerCoords, |
| 1872 | mCurrentCookedState.cookedPointerData.idToIndex, currentIdBits, -1, |
| 1873 | mOrientedXPrecision, mOrientedYPrecision, mDownTime); |
| 1874 | mCurrentMotionAborted = true; |
| 1875 | } |
| 1876 | } |
| 1877 | |
| 1878 | void TouchInputMapper::dispatchTouches(nsecs_t when, uint32_t policyFlags) { |
| 1879 | BitSet32 currentIdBits = mCurrentCookedState.cookedPointerData.touchingIdBits; |
| 1880 | BitSet32 lastIdBits = mLastCookedState.cookedPointerData.touchingIdBits; |
| 1881 | int32_t metaState = getContext()->getGlobalMetaState(); |
| 1882 | int32_t buttonState = mCurrentCookedState.buttonState; |
| 1883 | |
| 1884 | if (currentIdBits == lastIdBits) { |
| 1885 | if (!currentIdBits.isEmpty()) { |
| 1886 | // No pointer id changes so this is a move event. |
| 1887 | // The listener takes care of batching moves so we don't have to deal with that here. |
| 1888 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_MOVE, 0, 0, metaState, |
| 1889 | buttonState, AMOTION_EVENT_EDGE_FLAG_NONE, |
| 1890 | mCurrentCookedState.deviceTimestamp, |
| 1891 | mCurrentCookedState.cookedPointerData.pointerProperties, |
| 1892 | mCurrentCookedState.cookedPointerData.pointerCoords, |
| 1893 | mCurrentCookedState.cookedPointerData.idToIndex, currentIdBits, -1, |
| 1894 | mOrientedXPrecision, mOrientedYPrecision, mDownTime); |
| 1895 | } |
| 1896 | } else { |
| 1897 | // There may be pointers going up and pointers going down and pointers moving |
| 1898 | // all at the same time. |
| 1899 | BitSet32 upIdBits(lastIdBits.value & ~currentIdBits.value); |
| 1900 | BitSet32 downIdBits(currentIdBits.value & ~lastIdBits.value); |
| 1901 | BitSet32 moveIdBits(lastIdBits.value & currentIdBits.value); |
| 1902 | BitSet32 dispatchedIdBits(lastIdBits.value); |
| 1903 | |
| 1904 | // Update last coordinates of pointers that have moved so that we observe the new |
| 1905 | // pointer positions at the same time as other pointers that have just gone up. |
| 1906 | bool moveNeeded = |
| 1907 | updateMovedPointers(mCurrentCookedState.cookedPointerData.pointerProperties, |
| 1908 | mCurrentCookedState.cookedPointerData.pointerCoords, |
| 1909 | mCurrentCookedState.cookedPointerData.idToIndex, |
| 1910 | mLastCookedState.cookedPointerData.pointerProperties, |
| 1911 | mLastCookedState.cookedPointerData.pointerCoords, |
| 1912 | mLastCookedState.cookedPointerData.idToIndex, moveIdBits); |
| 1913 | if (buttonState != mLastCookedState.buttonState) { |
| 1914 | moveNeeded = true; |
| 1915 | } |
| 1916 | |
| 1917 | // Dispatch pointer up events. |
| 1918 | while (!upIdBits.isEmpty()) { |
| 1919 | uint32_t upId = upIdBits.clearFirstMarkedBit(); |
| 1920 | |
| 1921 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_POINTER_UP, 0, 0, |
| 1922 | metaState, buttonState, 0, mCurrentCookedState.deviceTimestamp, |
| 1923 | mLastCookedState.cookedPointerData.pointerProperties, |
| 1924 | mLastCookedState.cookedPointerData.pointerCoords, |
| 1925 | mLastCookedState.cookedPointerData.idToIndex, dispatchedIdBits, upId, |
| 1926 | mOrientedXPrecision, mOrientedYPrecision, mDownTime); |
| 1927 | dispatchedIdBits.clearBit(upId); |
| 1928 | } |
| 1929 | |
| 1930 | // Dispatch move events if any of the remaining pointers moved from their old locations. |
| 1931 | // Although applications receive new locations as part of individual pointer up |
| 1932 | // events, they do not generally handle them except when presented in a move event. |
| 1933 | if (moveNeeded && !moveIdBits.isEmpty()) { |
| 1934 | ALOG_ASSERT(moveIdBits.value == dispatchedIdBits.value); |
| 1935 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_MOVE, 0, 0, metaState, |
| 1936 | buttonState, 0, mCurrentCookedState.deviceTimestamp, |
| 1937 | mCurrentCookedState.cookedPointerData.pointerProperties, |
| 1938 | mCurrentCookedState.cookedPointerData.pointerCoords, |
| 1939 | mCurrentCookedState.cookedPointerData.idToIndex, dispatchedIdBits, -1, |
| 1940 | mOrientedXPrecision, mOrientedYPrecision, mDownTime); |
| 1941 | } |
| 1942 | |
| 1943 | // Dispatch pointer down events using the new pointer locations. |
| 1944 | while (!downIdBits.isEmpty()) { |
| 1945 | uint32_t downId = downIdBits.clearFirstMarkedBit(); |
| 1946 | dispatchedIdBits.markBit(downId); |
| 1947 | |
| 1948 | if (dispatchedIdBits.count() == 1) { |
| 1949 | // First pointer is going down. Set down time. |
| 1950 | mDownTime = when; |
| 1951 | } |
| 1952 | |
| 1953 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_POINTER_DOWN, 0, 0, |
| 1954 | metaState, buttonState, 0, mCurrentCookedState.deviceTimestamp, |
| 1955 | mCurrentCookedState.cookedPointerData.pointerProperties, |
| 1956 | mCurrentCookedState.cookedPointerData.pointerCoords, |
| 1957 | mCurrentCookedState.cookedPointerData.idToIndex, dispatchedIdBits, |
| 1958 | downId, mOrientedXPrecision, mOrientedYPrecision, mDownTime); |
| 1959 | } |
| 1960 | } |
| 1961 | } |
| 1962 | |
| 1963 | void TouchInputMapper::dispatchHoverExit(nsecs_t when, uint32_t policyFlags) { |
| 1964 | if (mSentHoverEnter && |
| 1965 | (mCurrentCookedState.cookedPointerData.hoveringIdBits.isEmpty() || |
| 1966 | !mCurrentCookedState.cookedPointerData.touchingIdBits.isEmpty())) { |
| 1967 | int32_t metaState = getContext()->getGlobalMetaState(); |
| 1968 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_HOVER_EXIT, 0, 0, metaState, |
| 1969 | mLastCookedState.buttonState, 0, mLastCookedState.deviceTimestamp, |
| 1970 | mLastCookedState.cookedPointerData.pointerProperties, |
| 1971 | mLastCookedState.cookedPointerData.pointerCoords, |
| 1972 | mLastCookedState.cookedPointerData.idToIndex, |
| 1973 | mLastCookedState.cookedPointerData.hoveringIdBits, -1, mOrientedXPrecision, |
| 1974 | mOrientedYPrecision, mDownTime); |
| 1975 | mSentHoverEnter = false; |
| 1976 | } |
| 1977 | } |
| 1978 | |
| 1979 | void TouchInputMapper::dispatchHoverEnterAndMove(nsecs_t when, uint32_t policyFlags) { |
| 1980 | if (mCurrentCookedState.cookedPointerData.touchingIdBits.isEmpty() && |
| 1981 | !mCurrentCookedState.cookedPointerData.hoveringIdBits.isEmpty()) { |
| 1982 | int32_t metaState = getContext()->getGlobalMetaState(); |
| 1983 | if (!mSentHoverEnter) { |
| 1984 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_HOVER_ENTER, 0, 0, |
| 1985 | metaState, mCurrentRawState.buttonState, 0, |
| 1986 | mCurrentCookedState.deviceTimestamp, |
| 1987 | mCurrentCookedState.cookedPointerData.pointerProperties, |
| 1988 | mCurrentCookedState.cookedPointerData.pointerCoords, |
| 1989 | mCurrentCookedState.cookedPointerData.idToIndex, |
| 1990 | mCurrentCookedState.cookedPointerData.hoveringIdBits, -1, |
| 1991 | mOrientedXPrecision, mOrientedYPrecision, mDownTime); |
| 1992 | mSentHoverEnter = true; |
| 1993 | } |
| 1994 | |
| 1995 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0, metaState, |
| 1996 | mCurrentRawState.buttonState, 0, mCurrentCookedState.deviceTimestamp, |
| 1997 | mCurrentCookedState.cookedPointerData.pointerProperties, |
| 1998 | mCurrentCookedState.cookedPointerData.pointerCoords, |
| 1999 | mCurrentCookedState.cookedPointerData.idToIndex, |
| 2000 | mCurrentCookedState.cookedPointerData.hoveringIdBits, -1, |
| 2001 | mOrientedXPrecision, mOrientedYPrecision, mDownTime); |
| 2002 | } |
| 2003 | } |
| 2004 | |
| 2005 | void TouchInputMapper::dispatchButtonRelease(nsecs_t when, uint32_t policyFlags) { |
| 2006 | BitSet32 releasedButtons(mLastCookedState.buttonState & ~mCurrentCookedState.buttonState); |
| 2007 | const BitSet32& idBits = findActiveIdBits(mLastCookedState.cookedPointerData); |
| 2008 | const int32_t metaState = getContext()->getGlobalMetaState(); |
| 2009 | int32_t buttonState = mLastCookedState.buttonState; |
| 2010 | while (!releasedButtons.isEmpty()) { |
| 2011 | int32_t actionButton = BitSet32::valueForBit(releasedButtons.clearFirstMarkedBit()); |
| 2012 | buttonState &= ~actionButton; |
| 2013 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_BUTTON_RELEASE, |
| 2014 | actionButton, 0, metaState, buttonState, 0, |
| 2015 | mCurrentCookedState.deviceTimestamp, |
| 2016 | mCurrentCookedState.cookedPointerData.pointerProperties, |
| 2017 | mCurrentCookedState.cookedPointerData.pointerCoords, |
| 2018 | mCurrentCookedState.cookedPointerData.idToIndex, idBits, -1, |
| 2019 | mOrientedXPrecision, mOrientedYPrecision, mDownTime); |
| 2020 | } |
| 2021 | } |
| 2022 | |
| 2023 | void TouchInputMapper::dispatchButtonPress(nsecs_t when, uint32_t policyFlags) { |
| 2024 | BitSet32 pressedButtons(mCurrentCookedState.buttonState & ~mLastCookedState.buttonState); |
| 2025 | const BitSet32& idBits = findActiveIdBits(mCurrentCookedState.cookedPointerData); |
| 2026 | const int32_t metaState = getContext()->getGlobalMetaState(); |
| 2027 | int32_t buttonState = mLastCookedState.buttonState; |
| 2028 | while (!pressedButtons.isEmpty()) { |
| 2029 | int32_t actionButton = BitSet32::valueForBit(pressedButtons.clearFirstMarkedBit()); |
| 2030 | buttonState |= actionButton; |
| 2031 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_BUTTON_PRESS, actionButton, |
| 2032 | 0, metaState, buttonState, 0, mCurrentCookedState.deviceTimestamp, |
| 2033 | mCurrentCookedState.cookedPointerData.pointerProperties, |
| 2034 | mCurrentCookedState.cookedPointerData.pointerCoords, |
| 2035 | mCurrentCookedState.cookedPointerData.idToIndex, idBits, -1, |
| 2036 | mOrientedXPrecision, mOrientedYPrecision, mDownTime); |
| 2037 | } |
| 2038 | } |
| 2039 | |
| 2040 | const BitSet32& TouchInputMapper::findActiveIdBits(const CookedPointerData& cookedPointerData) { |
| 2041 | if (!cookedPointerData.touchingIdBits.isEmpty()) { |
| 2042 | return cookedPointerData.touchingIdBits; |
| 2043 | } |
| 2044 | return cookedPointerData.hoveringIdBits; |
| 2045 | } |
| 2046 | |
| 2047 | void TouchInputMapper::cookPointerData() { |
| 2048 | uint32_t currentPointerCount = mCurrentRawState.rawPointerData.pointerCount; |
| 2049 | |
| 2050 | mCurrentCookedState.cookedPointerData.clear(); |
| 2051 | mCurrentCookedState.deviceTimestamp = mCurrentRawState.deviceTimestamp; |
| 2052 | mCurrentCookedState.cookedPointerData.pointerCount = currentPointerCount; |
| 2053 | mCurrentCookedState.cookedPointerData.hoveringIdBits = |
| 2054 | mCurrentRawState.rawPointerData.hoveringIdBits; |
| 2055 | mCurrentCookedState.cookedPointerData.touchingIdBits = |
| 2056 | mCurrentRawState.rawPointerData.touchingIdBits; |
| 2057 | |
| 2058 | if (mCurrentCookedState.cookedPointerData.pointerCount == 0) { |
| 2059 | mCurrentCookedState.buttonState = 0; |
| 2060 | } else { |
| 2061 | mCurrentCookedState.buttonState = mCurrentRawState.buttonState; |
| 2062 | } |
| 2063 | |
| 2064 | // Walk through the the active pointers and map device coordinates onto |
| 2065 | // surface coordinates and adjust for display orientation. |
| 2066 | for (uint32_t i = 0; i < currentPointerCount; i++) { |
| 2067 | const RawPointerData::Pointer& in = mCurrentRawState.rawPointerData.pointers[i]; |
| 2068 | |
| 2069 | // Size |
| 2070 | float touchMajor, touchMinor, toolMajor, toolMinor, size; |
| 2071 | switch (mCalibration.sizeCalibration) { |
| 2072 | case Calibration::SIZE_CALIBRATION_GEOMETRIC: |
| 2073 | case Calibration::SIZE_CALIBRATION_DIAMETER: |
| 2074 | case Calibration::SIZE_CALIBRATION_BOX: |
| 2075 | case Calibration::SIZE_CALIBRATION_AREA: |
| 2076 | if (mRawPointerAxes.touchMajor.valid && mRawPointerAxes.toolMajor.valid) { |
| 2077 | touchMajor = in.touchMajor; |
| 2078 | touchMinor = mRawPointerAxes.touchMinor.valid ? in.touchMinor : in.touchMajor; |
| 2079 | toolMajor = in.toolMajor; |
| 2080 | toolMinor = mRawPointerAxes.toolMinor.valid ? in.toolMinor : in.toolMajor; |
| 2081 | size = mRawPointerAxes.touchMinor.valid ? avg(in.touchMajor, in.touchMinor) |
| 2082 | : in.touchMajor; |
| 2083 | } else if (mRawPointerAxes.touchMajor.valid) { |
| 2084 | toolMajor = touchMajor = in.touchMajor; |
| 2085 | toolMinor = touchMinor = |
| 2086 | mRawPointerAxes.touchMinor.valid ? in.touchMinor : in.touchMajor; |
| 2087 | size = mRawPointerAxes.touchMinor.valid ? avg(in.touchMajor, in.touchMinor) |
| 2088 | : in.touchMajor; |
| 2089 | } else if (mRawPointerAxes.toolMajor.valid) { |
| 2090 | touchMajor = toolMajor = in.toolMajor; |
| 2091 | touchMinor = toolMinor = |
| 2092 | mRawPointerAxes.toolMinor.valid ? in.toolMinor : in.toolMajor; |
| 2093 | size = mRawPointerAxes.toolMinor.valid ? avg(in.toolMajor, in.toolMinor) |
| 2094 | : in.toolMajor; |
| 2095 | } else { |
| 2096 | ALOG_ASSERT(false, |
| 2097 | "No touch or tool axes. " |
| 2098 | "Size calibration should have been resolved to NONE."); |
| 2099 | touchMajor = 0; |
| 2100 | touchMinor = 0; |
| 2101 | toolMajor = 0; |
| 2102 | toolMinor = 0; |
| 2103 | size = 0; |
| 2104 | } |
| 2105 | |
| 2106 | if (mCalibration.haveSizeIsSummed && mCalibration.sizeIsSummed) { |
| 2107 | uint32_t touchingCount = mCurrentRawState.rawPointerData.touchingIdBits.count(); |
| 2108 | if (touchingCount > 1) { |
| 2109 | touchMajor /= touchingCount; |
| 2110 | touchMinor /= touchingCount; |
| 2111 | toolMajor /= touchingCount; |
| 2112 | toolMinor /= touchingCount; |
| 2113 | size /= touchingCount; |
| 2114 | } |
| 2115 | } |
| 2116 | |
| 2117 | if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_GEOMETRIC) { |
| 2118 | touchMajor *= mGeometricScale; |
| 2119 | touchMinor *= mGeometricScale; |
| 2120 | toolMajor *= mGeometricScale; |
| 2121 | toolMinor *= mGeometricScale; |
| 2122 | } else if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_AREA) { |
| 2123 | touchMajor = touchMajor > 0 ? sqrtf(touchMajor) : 0; |
| 2124 | touchMinor = touchMajor; |
| 2125 | toolMajor = toolMajor > 0 ? sqrtf(toolMajor) : 0; |
| 2126 | toolMinor = toolMajor; |
| 2127 | } else if (mCalibration.sizeCalibration == Calibration::SIZE_CALIBRATION_DIAMETER) { |
| 2128 | touchMinor = touchMajor; |
| 2129 | toolMinor = toolMajor; |
| 2130 | } |
| 2131 | |
| 2132 | mCalibration.applySizeScaleAndBias(&touchMajor); |
| 2133 | mCalibration.applySizeScaleAndBias(&touchMinor); |
| 2134 | mCalibration.applySizeScaleAndBias(&toolMajor); |
| 2135 | mCalibration.applySizeScaleAndBias(&toolMinor); |
| 2136 | size *= mSizeScale; |
| 2137 | break; |
| 2138 | default: |
| 2139 | touchMajor = 0; |
| 2140 | touchMinor = 0; |
| 2141 | toolMajor = 0; |
| 2142 | toolMinor = 0; |
| 2143 | size = 0; |
| 2144 | break; |
| 2145 | } |
| 2146 | |
| 2147 | // Pressure |
| 2148 | float pressure; |
| 2149 | switch (mCalibration.pressureCalibration) { |
| 2150 | case Calibration::PRESSURE_CALIBRATION_PHYSICAL: |
| 2151 | case Calibration::PRESSURE_CALIBRATION_AMPLITUDE: |
| 2152 | pressure = in.pressure * mPressureScale; |
| 2153 | break; |
| 2154 | default: |
| 2155 | pressure = in.isHovering ? 0 : 1; |
| 2156 | break; |
| 2157 | } |
| 2158 | |
| 2159 | // Tilt and Orientation |
| 2160 | float tilt; |
| 2161 | float orientation; |
| 2162 | if (mHaveTilt) { |
| 2163 | float tiltXAngle = (in.tiltX - mTiltXCenter) * mTiltXScale; |
| 2164 | float tiltYAngle = (in.tiltY - mTiltYCenter) * mTiltYScale; |
| 2165 | orientation = atan2f(-sinf(tiltXAngle), sinf(tiltYAngle)); |
| 2166 | tilt = acosf(cosf(tiltXAngle) * cosf(tiltYAngle)); |
| 2167 | } else { |
| 2168 | tilt = 0; |
| 2169 | |
| 2170 | switch (mCalibration.orientationCalibration) { |
| 2171 | case Calibration::ORIENTATION_CALIBRATION_INTERPOLATED: |
| 2172 | orientation = in.orientation * mOrientationScale; |
| 2173 | break; |
| 2174 | case Calibration::ORIENTATION_CALIBRATION_VECTOR: { |
| 2175 | int32_t c1 = signExtendNybble((in.orientation & 0xf0) >> 4); |
| 2176 | int32_t c2 = signExtendNybble(in.orientation & 0x0f); |
| 2177 | if (c1 != 0 || c2 != 0) { |
| 2178 | orientation = atan2f(c1, c2) * 0.5f; |
| 2179 | float confidence = hypotf(c1, c2); |
| 2180 | float scale = 1.0f + confidence / 16.0f; |
| 2181 | touchMajor *= scale; |
| 2182 | touchMinor /= scale; |
| 2183 | toolMajor *= scale; |
| 2184 | toolMinor /= scale; |
| 2185 | } else { |
| 2186 | orientation = 0; |
| 2187 | } |
| 2188 | break; |
| 2189 | } |
| 2190 | default: |
| 2191 | orientation = 0; |
| 2192 | } |
| 2193 | } |
| 2194 | |
| 2195 | // Distance |
| 2196 | float distance; |
| 2197 | switch (mCalibration.distanceCalibration) { |
| 2198 | case Calibration::DISTANCE_CALIBRATION_SCALED: |
| 2199 | distance = in.distance * mDistanceScale; |
| 2200 | break; |
| 2201 | default: |
| 2202 | distance = 0; |
| 2203 | } |
| 2204 | |
| 2205 | // Coverage |
| 2206 | int32_t rawLeft, rawTop, rawRight, rawBottom; |
| 2207 | switch (mCalibration.coverageCalibration) { |
| 2208 | case Calibration::COVERAGE_CALIBRATION_BOX: |
| 2209 | rawLeft = (in.toolMinor & 0xffff0000) >> 16; |
| 2210 | rawRight = in.toolMinor & 0x0000ffff; |
| 2211 | rawBottom = in.toolMajor & 0x0000ffff; |
| 2212 | rawTop = (in.toolMajor & 0xffff0000) >> 16; |
| 2213 | break; |
| 2214 | default: |
| 2215 | rawLeft = rawTop = rawRight = rawBottom = 0; |
| 2216 | break; |
| 2217 | } |
| 2218 | |
| 2219 | // Adjust X,Y coords for device calibration |
| 2220 | // TODO: Adjust coverage coords? |
| 2221 | float xTransformed = in.x, yTransformed = in.y; |
| 2222 | mAffineTransform.applyTo(xTransformed, yTransformed); |
| 2223 | |
| 2224 | // Adjust X, Y, and coverage coords for surface orientation. |
| 2225 | float x, y; |
| 2226 | float left, top, right, bottom; |
| 2227 | |
| 2228 | switch (mSurfaceOrientation) { |
| 2229 | case DISPLAY_ORIENTATION_90: |
| 2230 | x = float(yTransformed - mRawPointerAxes.y.minValue) * mYScale + mYTranslate; |
| 2231 | y = float(mRawPointerAxes.x.maxValue - xTransformed) * mXScale + mXTranslate; |
| 2232 | left = float(rawTop - mRawPointerAxes.y.minValue) * mYScale + mYTranslate; |
| 2233 | right = float(rawBottom - mRawPointerAxes.y.minValue) * mYScale + mYTranslate; |
| 2234 | bottom = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale + mXTranslate; |
| 2235 | top = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale + mXTranslate; |
| 2236 | orientation -= M_PI_2; |
| 2237 | if (mOrientedRanges.haveOrientation && |
| 2238 | orientation < mOrientedRanges.orientation.min) { |
| 2239 | orientation += |
| 2240 | (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min); |
| 2241 | } |
| 2242 | break; |
| 2243 | case DISPLAY_ORIENTATION_180: |
| 2244 | x = float(mRawPointerAxes.x.maxValue - xTransformed) * mXScale; |
| 2245 | y = float(mRawPointerAxes.y.maxValue - yTransformed) * mYScale + mYTranslate; |
| 2246 | left = float(mRawPointerAxes.x.maxValue - rawRight) * mXScale; |
| 2247 | right = float(mRawPointerAxes.x.maxValue - rawLeft) * mXScale; |
| 2248 | bottom = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale + mYTranslate; |
| 2249 | top = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale + mYTranslate; |
| 2250 | orientation -= M_PI; |
| 2251 | if (mOrientedRanges.haveOrientation && |
| 2252 | orientation < mOrientedRanges.orientation.min) { |
| 2253 | orientation += |
| 2254 | (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min); |
| 2255 | } |
| 2256 | break; |
| 2257 | case DISPLAY_ORIENTATION_270: |
| 2258 | x = float(mRawPointerAxes.y.maxValue - yTransformed) * mYScale; |
| 2259 | y = float(xTransformed - mRawPointerAxes.x.minValue) * mXScale + mXTranslate; |
| 2260 | left = float(mRawPointerAxes.y.maxValue - rawBottom) * mYScale; |
| 2261 | right = float(mRawPointerAxes.y.maxValue - rawTop) * mYScale; |
| 2262 | bottom = float(rawRight - mRawPointerAxes.x.minValue) * mXScale + mXTranslate; |
| 2263 | top = float(rawLeft - mRawPointerAxes.x.minValue) * mXScale + mXTranslate; |
| 2264 | orientation += M_PI_2; |
| 2265 | if (mOrientedRanges.haveOrientation && |
| 2266 | orientation > mOrientedRanges.orientation.max) { |
| 2267 | orientation -= |
| 2268 | (mOrientedRanges.orientation.max - mOrientedRanges.orientation.min); |
| 2269 | } |
| 2270 | break; |
| 2271 | default: |
| 2272 | x = float(xTransformed - mRawPointerAxes.x.minValue) * mXScale + mXTranslate; |
| 2273 | y = float(yTransformed - mRawPointerAxes.y.minValue) * mYScale + mYTranslate; |
| 2274 | left = float(rawLeft - mRawPointerAxes.x.minValue) * mXScale + mXTranslate; |
| 2275 | right = float(rawRight - mRawPointerAxes.x.minValue) * mXScale + mXTranslate; |
| 2276 | bottom = float(rawBottom - mRawPointerAxes.y.minValue) * mYScale + mYTranslate; |
| 2277 | top = float(rawTop - mRawPointerAxes.y.minValue) * mYScale + mYTranslate; |
| 2278 | break; |
| 2279 | } |
| 2280 | |
| 2281 | // Write output coords. |
| 2282 | PointerCoords& out = mCurrentCookedState.cookedPointerData.pointerCoords[i]; |
| 2283 | out.clear(); |
| 2284 | out.setAxisValue(AMOTION_EVENT_AXIS_X, x); |
| 2285 | out.setAxisValue(AMOTION_EVENT_AXIS_Y, y); |
| 2286 | out.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, pressure); |
| 2287 | out.setAxisValue(AMOTION_EVENT_AXIS_SIZE, size); |
| 2288 | out.setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MAJOR, touchMajor); |
| 2289 | out.setAxisValue(AMOTION_EVENT_AXIS_TOUCH_MINOR, touchMinor); |
| 2290 | out.setAxisValue(AMOTION_EVENT_AXIS_ORIENTATION, orientation); |
| 2291 | out.setAxisValue(AMOTION_EVENT_AXIS_TILT, tilt); |
| 2292 | out.setAxisValue(AMOTION_EVENT_AXIS_DISTANCE, distance); |
| 2293 | if (mCalibration.coverageCalibration == Calibration::COVERAGE_CALIBRATION_BOX) { |
| 2294 | out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_1, left); |
| 2295 | out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_2, top); |
| 2296 | out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_3, right); |
| 2297 | out.setAxisValue(AMOTION_EVENT_AXIS_GENERIC_4, bottom); |
| 2298 | } else { |
| 2299 | out.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MAJOR, toolMajor); |
| 2300 | out.setAxisValue(AMOTION_EVENT_AXIS_TOOL_MINOR, toolMinor); |
| 2301 | } |
| 2302 | |
| 2303 | // Write output properties. |
| 2304 | PointerProperties& properties = mCurrentCookedState.cookedPointerData.pointerProperties[i]; |
| 2305 | uint32_t id = in.id; |
| 2306 | properties.clear(); |
| 2307 | properties.id = id; |
| 2308 | properties.toolType = in.toolType; |
| 2309 | |
| 2310 | // Write id index. |
| 2311 | mCurrentCookedState.cookedPointerData.idToIndex[id] = i; |
| 2312 | } |
| 2313 | } |
| 2314 | |
| 2315 | void TouchInputMapper::dispatchPointerUsage(nsecs_t when, uint32_t policyFlags, |
| 2316 | PointerUsage pointerUsage) { |
| 2317 | if (pointerUsage != mPointerUsage) { |
| 2318 | abortPointerUsage(when, policyFlags); |
| 2319 | mPointerUsage = pointerUsage; |
| 2320 | } |
| 2321 | |
| 2322 | switch (mPointerUsage) { |
| 2323 | case POINTER_USAGE_GESTURES: |
| 2324 | dispatchPointerGestures(when, policyFlags, false /*isTimeout*/); |
| 2325 | break; |
| 2326 | case POINTER_USAGE_STYLUS: |
| 2327 | dispatchPointerStylus(when, policyFlags); |
| 2328 | break; |
| 2329 | case POINTER_USAGE_MOUSE: |
| 2330 | dispatchPointerMouse(when, policyFlags); |
| 2331 | break; |
| 2332 | default: |
| 2333 | break; |
| 2334 | } |
| 2335 | } |
| 2336 | |
| 2337 | void TouchInputMapper::abortPointerUsage(nsecs_t when, uint32_t policyFlags) { |
| 2338 | switch (mPointerUsage) { |
| 2339 | case POINTER_USAGE_GESTURES: |
| 2340 | abortPointerGestures(when, policyFlags); |
| 2341 | break; |
| 2342 | case POINTER_USAGE_STYLUS: |
| 2343 | abortPointerStylus(when, policyFlags); |
| 2344 | break; |
| 2345 | case POINTER_USAGE_MOUSE: |
| 2346 | abortPointerMouse(when, policyFlags); |
| 2347 | break; |
| 2348 | default: |
| 2349 | break; |
| 2350 | } |
| 2351 | |
| 2352 | mPointerUsage = POINTER_USAGE_NONE; |
| 2353 | } |
| 2354 | |
| 2355 | void TouchInputMapper::dispatchPointerGestures(nsecs_t when, uint32_t policyFlags, bool isTimeout) { |
| 2356 | // Update current gesture coordinates. |
| 2357 | bool cancelPreviousGesture, finishPreviousGesture; |
| 2358 | bool sendEvents = |
| 2359 | preparePointerGestures(when, &cancelPreviousGesture, &finishPreviousGesture, isTimeout); |
| 2360 | if (!sendEvents) { |
| 2361 | return; |
| 2362 | } |
| 2363 | if (finishPreviousGesture) { |
| 2364 | cancelPreviousGesture = false; |
| 2365 | } |
| 2366 | |
| 2367 | // Update the pointer presentation and spots. |
| 2368 | if (mParameters.gestureMode == Parameters::GESTURE_MODE_MULTI_TOUCH) { |
| 2369 | mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_POINTER); |
| 2370 | if (finishPreviousGesture || cancelPreviousGesture) { |
| 2371 | mPointerController->clearSpots(); |
| 2372 | } |
| 2373 | |
| 2374 | if (mPointerGesture.currentGestureMode == PointerGesture::FREEFORM) { |
| 2375 | mPointerController->setSpots(mPointerGesture.currentGestureCoords, |
| 2376 | mPointerGesture.currentGestureIdToIndex, |
| 2377 | mPointerGesture.currentGestureIdBits, |
| 2378 | mPointerController->getDisplayId()); |
| 2379 | } |
| 2380 | } else { |
| 2381 | mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_POINTER); |
| 2382 | } |
| 2383 | |
| 2384 | // Show or hide the pointer if needed. |
| 2385 | switch (mPointerGesture.currentGestureMode) { |
| 2386 | case PointerGesture::NEUTRAL: |
| 2387 | case PointerGesture::QUIET: |
| 2388 | if (mParameters.gestureMode == Parameters::GESTURE_MODE_MULTI_TOUCH && |
| 2389 | mPointerGesture.lastGestureMode == PointerGesture::FREEFORM) { |
| 2390 | // Remind the user of where the pointer is after finishing a gesture with spots. |
| 2391 | mPointerController->unfade(PointerControllerInterface::TRANSITION_GRADUAL); |
| 2392 | } |
| 2393 | break; |
| 2394 | case PointerGesture::TAP: |
| 2395 | case PointerGesture::TAP_DRAG: |
| 2396 | case PointerGesture::BUTTON_CLICK_OR_DRAG: |
| 2397 | case PointerGesture::HOVER: |
| 2398 | case PointerGesture::PRESS: |
| 2399 | case PointerGesture::SWIPE: |
| 2400 | // Unfade the pointer when the current gesture manipulates the |
| 2401 | // area directly under the pointer. |
| 2402 | mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE); |
| 2403 | break; |
| 2404 | case PointerGesture::FREEFORM: |
| 2405 | // Fade the pointer when the current gesture manipulates a different |
| 2406 | // area and there are spots to guide the user experience. |
| 2407 | if (mParameters.gestureMode == Parameters::GESTURE_MODE_MULTI_TOUCH) { |
| 2408 | mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL); |
| 2409 | } else { |
| 2410 | mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE); |
| 2411 | } |
| 2412 | break; |
| 2413 | } |
| 2414 | |
| 2415 | // Send events! |
| 2416 | int32_t metaState = getContext()->getGlobalMetaState(); |
| 2417 | int32_t buttonState = mCurrentCookedState.buttonState; |
| 2418 | |
| 2419 | // Update last coordinates of pointers that have moved so that we observe the new |
| 2420 | // pointer positions at the same time as other pointers that have just gone up. |
| 2421 | bool down = mPointerGesture.currentGestureMode == PointerGesture::TAP || |
| 2422 | mPointerGesture.currentGestureMode == PointerGesture::TAP_DRAG || |
| 2423 | mPointerGesture.currentGestureMode == PointerGesture::BUTTON_CLICK_OR_DRAG || |
| 2424 | mPointerGesture.currentGestureMode == PointerGesture::PRESS || |
| 2425 | mPointerGesture.currentGestureMode == PointerGesture::SWIPE || |
| 2426 | mPointerGesture.currentGestureMode == PointerGesture::FREEFORM; |
| 2427 | bool moveNeeded = false; |
| 2428 | if (down && !cancelPreviousGesture && !finishPreviousGesture && |
| 2429 | !mPointerGesture.lastGestureIdBits.isEmpty() && |
| 2430 | !mPointerGesture.currentGestureIdBits.isEmpty()) { |
| 2431 | BitSet32 movedGestureIdBits(mPointerGesture.currentGestureIdBits.value & |
| 2432 | mPointerGesture.lastGestureIdBits.value); |
| 2433 | moveNeeded = updateMovedPointers(mPointerGesture.currentGestureProperties, |
| 2434 | mPointerGesture.currentGestureCoords, |
| 2435 | mPointerGesture.currentGestureIdToIndex, |
| 2436 | mPointerGesture.lastGestureProperties, |
| 2437 | mPointerGesture.lastGestureCoords, |
| 2438 | mPointerGesture.lastGestureIdToIndex, movedGestureIdBits); |
| 2439 | if (buttonState != mLastCookedState.buttonState) { |
| 2440 | moveNeeded = true; |
| 2441 | } |
| 2442 | } |
| 2443 | |
| 2444 | // Send motion events for all pointers that went up or were canceled. |
| 2445 | BitSet32 dispatchedGestureIdBits(mPointerGesture.lastGestureIdBits); |
| 2446 | if (!dispatchedGestureIdBits.isEmpty()) { |
| 2447 | if (cancelPreviousGesture) { |
| 2448 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_CANCEL, 0, 0, metaState, |
| 2449 | buttonState, AMOTION_EVENT_EDGE_FLAG_NONE, /* deviceTimestamp */ 0, |
| 2450 | mPointerGesture.lastGestureProperties, mPointerGesture.lastGestureCoords, |
| 2451 | mPointerGesture.lastGestureIdToIndex, dispatchedGestureIdBits, -1, 0, 0, |
| 2452 | mPointerGesture.downTime); |
| 2453 | |
| 2454 | dispatchedGestureIdBits.clear(); |
| 2455 | } else { |
| 2456 | BitSet32 upGestureIdBits; |
| 2457 | if (finishPreviousGesture) { |
| 2458 | upGestureIdBits = dispatchedGestureIdBits; |
| 2459 | } else { |
| 2460 | upGestureIdBits.value = |
| 2461 | dispatchedGestureIdBits.value & ~mPointerGesture.currentGestureIdBits.value; |
| 2462 | } |
| 2463 | while (!upGestureIdBits.isEmpty()) { |
| 2464 | uint32_t id = upGestureIdBits.clearFirstMarkedBit(); |
| 2465 | |
| 2466 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_POINTER_UP, 0, 0, |
| 2467 | metaState, buttonState, AMOTION_EVENT_EDGE_FLAG_NONE, |
| 2468 | /* deviceTimestamp */ 0, mPointerGesture.lastGestureProperties, |
| 2469 | mPointerGesture.lastGestureCoords, |
| 2470 | mPointerGesture.lastGestureIdToIndex, dispatchedGestureIdBits, id, 0, |
| 2471 | 0, mPointerGesture.downTime); |
| 2472 | |
| 2473 | dispatchedGestureIdBits.clearBit(id); |
| 2474 | } |
| 2475 | } |
| 2476 | } |
| 2477 | |
| 2478 | // Send motion events for all pointers that moved. |
| 2479 | if (moveNeeded) { |
| 2480 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_MOVE, 0, 0, metaState, |
| 2481 | buttonState, AMOTION_EVENT_EDGE_FLAG_NONE, /* deviceTimestamp */ 0, |
| 2482 | mPointerGesture.currentGestureProperties, |
| 2483 | mPointerGesture.currentGestureCoords, |
| 2484 | mPointerGesture.currentGestureIdToIndex, dispatchedGestureIdBits, -1, 0, 0, |
| 2485 | mPointerGesture.downTime); |
| 2486 | } |
| 2487 | |
| 2488 | // Send motion events for all pointers that went down. |
| 2489 | if (down) { |
| 2490 | BitSet32 downGestureIdBits(mPointerGesture.currentGestureIdBits.value & |
| 2491 | ~dispatchedGestureIdBits.value); |
| 2492 | while (!downGestureIdBits.isEmpty()) { |
| 2493 | uint32_t id = downGestureIdBits.clearFirstMarkedBit(); |
| 2494 | dispatchedGestureIdBits.markBit(id); |
| 2495 | |
| 2496 | if (dispatchedGestureIdBits.count() == 1) { |
| 2497 | mPointerGesture.downTime = when; |
| 2498 | } |
| 2499 | |
| 2500 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_POINTER_DOWN, 0, 0, |
| 2501 | metaState, buttonState, 0, |
| 2502 | /* deviceTimestamp */ 0, mPointerGesture.currentGestureProperties, |
| 2503 | mPointerGesture.currentGestureCoords, |
| 2504 | mPointerGesture.currentGestureIdToIndex, dispatchedGestureIdBits, id, 0, |
| 2505 | 0, mPointerGesture.downTime); |
| 2506 | } |
| 2507 | } |
| 2508 | |
| 2509 | // Send motion events for hover. |
| 2510 | if (mPointerGesture.currentGestureMode == PointerGesture::HOVER) { |
| 2511 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0, metaState, |
| 2512 | buttonState, AMOTION_EVENT_EDGE_FLAG_NONE, /* deviceTimestamp */ 0, |
| 2513 | mPointerGesture.currentGestureProperties, |
| 2514 | mPointerGesture.currentGestureCoords, |
| 2515 | mPointerGesture.currentGestureIdToIndex, |
| 2516 | mPointerGesture.currentGestureIdBits, -1, 0, 0, mPointerGesture.downTime); |
| 2517 | } else if (dispatchedGestureIdBits.isEmpty() && !mPointerGesture.lastGestureIdBits.isEmpty()) { |
| 2518 | // Synthesize a hover move event after all pointers go up to indicate that |
| 2519 | // the pointer is hovering again even if the user is not currently touching |
| 2520 | // the touch pad. This ensures that a view will receive a fresh hover enter |
| 2521 | // event after a tap. |
| 2522 | float x, y; |
| 2523 | mPointerController->getPosition(&x, &y); |
| 2524 | |
| 2525 | PointerProperties pointerProperties; |
| 2526 | pointerProperties.clear(); |
| 2527 | pointerProperties.id = 0; |
| 2528 | pointerProperties.toolType = AMOTION_EVENT_TOOL_TYPE_FINGER; |
| 2529 | |
| 2530 | PointerCoords pointerCoords; |
| 2531 | pointerCoords.clear(); |
| 2532 | pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x); |
| 2533 | pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y); |
| 2534 | |
| 2535 | const int32_t displayId = mPointerController->getDisplayId(); |
| 2536 | NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), mSource, |
| 2537 | displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0, |
| 2538 | metaState, buttonState, MotionClassification::NONE, |
| 2539 | AMOTION_EVENT_EDGE_FLAG_NONE, |
| 2540 | /* deviceTimestamp */ 0, 1, &pointerProperties, &pointerCoords, 0, 0, |
| 2541 | mPointerGesture.downTime, /* videoFrames */ {}); |
| 2542 | getListener()->notifyMotion(&args); |
| 2543 | } |
| 2544 | |
| 2545 | // Update state. |
| 2546 | mPointerGesture.lastGestureMode = mPointerGesture.currentGestureMode; |
| 2547 | if (!down) { |
| 2548 | mPointerGesture.lastGestureIdBits.clear(); |
| 2549 | } else { |
| 2550 | mPointerGesture.lastGestureIdBits = mPointerGesture.currentGestureIdBits; |
| 2551 | for (BitSet32 idBits(mPointerGesture.currentGestureIdBits); !idBits.isEmpty();) { |
| 2552 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 2553 | uint32_t index = mPointerGesture.currentGestureIdToIndex[id]; |
| 2554 | mPointerGesture.lastGestureProperties[index].copyFrom( |
| 2555 | mPointerGesture.currentGestureProperties[index]); |
| 2556 | mPointerGesture.lastGestureCoords[index].copyFrom( |
| 2557 | mPointerGesture.currentGestureCoords[index]); |
| 2558 | mPointerGesture.lastGestureIdToIndex[id] = index; |
| 2559 | } |
| 2560 | } |
| 2561 | } |
| 2562 | |
| 2563 | void TouchInputMapper::abortPointerGestures(nsecs_t when, uint32_t policyFlags) { |
| 2564 | // Cancel previously dispatches pointers. |
| 2565 | if (!mPointerGesture.lastGestureIdBits.isEmpty()) { |
| 2566 | int32_t metaState = getContext()->getGlobalMetaState(); |
| 2567 | int32_t buttonState = mCurrentRawState.buttonState; |
| 2568 | dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_CANCEL, 0, 0, metaState, |
| 2569 | buttonState, AMOTION_EVENT_EDGE_FLAG_NONE, /* deviceTimestamp */ 0, |
| 2570 | mPointerGesture.lastGestureProperties, mPointerGesture.lastGestureCoords, |
| 2571 | mPointerGesture.lastGestureIdToIndex, mPointerGesture.lastGestureIdBits, -1, |
| 2572 | 0, 0, mPointerGesture.downTime); |
| 2573 | } |
| 2574 | |
| 2575 | // Reset the current pointer gesture. |
| 2576 | mPointerGesture.reset(); |
| 2577 | mPointerVelocityControl.reset(); |
| 2578 | |
| 2579 | // Remove any current spots. |
| 2580 | if (mPointerController != nullptr) { |
| 2581 | mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL); |
| 2582 | mPointerController->clearSpots(); |
| 2583 | } |
| 2584 | } |
| 2585 | |
| 2586 | bool TouchInputMapper::preparePointerGestures(nsecs_t when, bool* outCancelPreviousGesture, |
| 2587 | bool* outFinishPreviousGesture, bool isTimeout) { |
| 2588 | *outCancelPreviousGesture = false; |
| 2589 | *outFinishPreviousGesture = false; |
| 2590 | |
| 2591 | // Handle TAP timeout. |
| 2592 | if (isTimeout) { |
| 2593 | #if DEBUG_GESTURES |
| 2594 | ALOGD("Gestures: Processing timeout"); |
| 2595 | #endif |
| 2596 | |
| 2597 | if (mPointerGesture.lastGestureMode == PointerGesture::TAP) { |
| 2598 | if (when <= mPointerGesture.tapUpTime + mConfig.pointerGestureTapDragInterval) { |
| 2599 | // The tap/drag timeout has not yet expired. |
| 2600 | getContext()->requestTimeoutAtTime(mPointerGesture.tapUpTime + |
| 2601 | mConfig.pointerGestureTapDragInterval); |
| 2602 | } else { |
| 2603 | // The tap is finished. |
| 2604 | #if DEBUG_GESTURES |
| 2605 | ALOGD("Gestures: TAP finished"); |
| 2606 | #endif |
| 2607 | *outFinishPreviousGesture = true; |
| 2608 | |
| 2609 | mPointerGesture.activeGestureId = -1; |
| 2610 | mPointerGesture.currentGestureMode = PointerGesture::NEUTRAL; |
| 2611 | mPointerGesture.currentGestureIdBits.clear(); |
| 2612 | |
| 2613 | mPointerVelocityControl.reset(); |
| 2614 | return true; |
| 2615 | } |
| 2616 | } |
| 2617 | |
| 2618 | // We did not handle this timeout. |
| 2619 | return false; |
| 2620 | } |
| 2621 | |
| 2622 | const uint32_t currentFingerCount = mCurrentCookedState.fingerIdBits.count(); |
| 2623 | const uint32_t lastFingerCount = mLastCookedState.fingerIdBits.count(); |
| 2624 | |
| 2625 | // Update the velocity tracker. |
| 2626 | { |
| 2627 | VelocityTracker::Position positions[MAX_POINTERS]; |
| 2628 | uint32_t count = 0; |
| 2629 | for (BitSet32 idBits(mCurrentCookedState.fingerIdBits); !idBits.isEmpty(); count++) { |
| 2630 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 2631 | const RawPointerData::Pointer& pointer = |
| 2632 | mCurrentRawState.rawPointerData.pointerForId(id); |
| 2633 | positions[count].x = pointer.x * mPointerXMovementScale; |
| 2634 | positions[count].y = pointer.y * mPointerYMovementScale; |
| 2635 | } |
| 2636 | mPointerGesture.velocityTracker.addMovement(when, mCurrentCookedState.fingerIdBits, |
| 2637 | positions); |
| 2638 | } |
| 2639 | |
| 2640 | // If the gesture ever enters a mode other than TAP, HOVER or TAP_DRAG, without first returning |
| 2641 | // to NEUTRAL, then we should not generate tap event. |
| 2642 | if (mPointerGesture.lastGestureMode != PointerGesture::HOVER && |
| 2643 | mPointerGesture.lastGestureMode != PointerGesture::TAP && |
| 2644 | mPointerGesture.lastGestureMode != PointerGesture::TAP_DRAG) { |
| 2645 | mPointerGesture.resetTap(); |
| 2646 | } |
| 2647 | |
| 2648 | // Pick a new active touch id if needed. |
| 2649 | // Choose an arbitrary pointer that just went down, if there is one. |
| 2650 | // Otherwise choose an arbitrary remaining pointer. |
| 2651 | // This guarantees we always have an active touch id when there is at least one pointer. |
| 2652 | // We keep the same active touch id for as long as possible. |
| 2653 | int32_t lastActiveTouchId = mPointerGesture.activeTouchId; |
| 2654 | int32_t activeTouchId = lastActiveTouchId; |
| 2655 | if (activeTouchId < 0) { |
| 2656 | if (!mCurrentCookedState.fingerIdBits.isEmpty()) { |
| 2657 | activeTouchId = mPointerGesture.activeTouchId = |
| 2658 | mCurrentCookedState.fingerIdBits.firstMarkedBit(); |
| 2659 | mPointerGesture.firstTouchTime = when; |
| 2660 | } |
| 2661 | } else if (!mCurrentCookedState.fingerIdBits.hasBit(activeTouchId)) { |
| 2662 | if (!mCurrentCookedState.fingerIdBits.isEmpty()) { |
| 2663 | activeTouchId = mPointerGesture.activeTouchId = |
| 2664 | mCurrentCookedState.fingerIdBits.firstMarkedBit(); |
| 2665 | } else { |
| 2666 | activeTouchId = mPointerGesture.activeTouchId = -1; |
| 2667 | } |
| 2668 | } |
| 2669 | |
| 2670 | // Determine whether we are in quiet time. |
| 2671 | bool isQuietTime = false; |
| 2672 | if (activeTouchId < 0) { |
| 2673 | mPointerGesture.resetQuietTime(); |
| 2674 | } else { |
| 2675 | isQuietTime = when < mPointerGesture.quietTime + mConfig.pointerGestureQuietInterval; |
| 2676 | if (!isQuietTime) { |
| 2677 | if ((mPointerGesture.lastGestureMode == PointerGesture::PRESS || |
| 2678 | mPointerGesture.lastGestureMode == PointerGesture::SWIPE || |
| 2679 | mPointerGesture.lastGestureMode == PointerGesture::FREEFORM) && |
| 2680 | currentFingerCount < 2) { |
| 2681 | // Enter quiet time when exiting swipe or freeform state. |
| 2682 | // This is to prevent accidentally entering the hover state and flinging the |
| 2683 | // pointer when finishing a swipe and there is still one pointer left onscreen. |
| 2684 | isQuietTime = true; |
| 2685 | } else if (mPointerGesture.lastGestureMode == PointerGesture::BUTTON_CLICK_OR_DRAG && |
| 2686 | currentFingerCount >= 2 && !isPointerDown(mCurrentRawState.buttonState)) { |
| 2687 | // Enter quiet time when releasing the button and there are still two or more |
| 2688 | // fingers down. This may indicate that one finger was used to press the button |
| 2689 | // but it has not gone up yet. |
| 2690 | isQuietTime = true; |
| 2691 | } |
| 2692 | if (isQuietTime) { |
| 2693 | mPointerGesture.quietTime = when; |
| 2694 | } |
| 2695 | } |
| 2696 | } |
| 2697 | |
| 2698 | // Switch states based on button and pointer state. |
| 2699 | if (isQuietTime) { |
| 2700 | // Case 1: Quiet time. (QUIET) |
| 2701 | #if DEBUG_GESTURES |
| 2702 | ALOGD("Gestures: QUIET for next %0.3fms", |
| 2703 | (mPointerGesture.quietTime + mConfig.pointerGestureQuietInterval - when) * 0.000001f); |
| 2704 | #endif |
| 2705 | if (mPointerGesture.lastGestureMode != PointerGesture::QUIET) { |
| 2706 | *outFinishPreviousGesture = true; |
| 2707 | } |
| 2708 | |
| 2709 | mPointerGesture.activeGestureId = -1; |
| 2710 | mPointerGesture.currentGestureMode = PointerGesture::QUIET; |
| 2711 | mPointerGesture.currentGestureIdBits.clear(); |
| 2712 | |
| 2713 | mPointerVelocityControl.reset(); |
| 2714 | } else if (isPointerDown(mCurrentRawState.buttonState)) { |
| 2715 | // Case 2: Button is pressed. (BUTTON_CLICK_OR_DRAG) |
| 2716 | // The pointer follows the active touch point. |
| 2717 | // Emit DOWN, MOVE, UP events at the pointer location. |
| 2718 | // |
| 2719 | // Only the active touch matters; other fingers are ignored. This policy helps |
| 2720 | // to handle the case where the user places a second finger on the touch pad |
| 2721 | // to apply the necessary force to depress an integrated button below the surface. |
| 2722 | // We don't want the second finger to be delivered to applications. |
| 2723 | // |
| 2724 | // For this to work well, we need to make sure to track the pointer that is really |
| 2725 | // active. If the user first puts one finger down to click then adds another |
| 2726 | // finger to drag then the active pointer should switch to the finger that is |
| 2727 | // being dragged. |
| 2728 | #if DEBUG_GESTURES |
| 2729 | ALOGD("Gestures: BUTTON_CLICK_OR_DRAG activeTouchId=%d, " |
| 2730 | "currentFingerCount=%d", |
| 2731 | activeTouchId, currentFingerCount); |
| 2732 | #endif |
| 2733 | // Reset state when just starting. |
| 2734 | if (mPointerGesture.lastGestureMode != PointerGesture::BUTTON_CLICK_OR_DRAG) { |
| 2735 | *outFinishPreviousGesture = true; |
| 2736 | mPointerGesture.activeGestureId = 0; |
| 2737 | } |
| 2738 | |
| 2739 | // Switch pointers if needed. |
| 2740 | // Find the fastest pointer and follow it. |
| 2741 | if (activeTouchId >= 0 && currentFingerCount > 1) { |
| 2742 | int32_t bestId = -1; |
| 2743 | float bestSpeed = mConfig.pointerGestureDragMinSwitchSpeed; |
| 2744 | for (BitSet32 idBits(mCurrentCookedState.fingerIdBits); !idBits.isEmpty();) { |
| 2745 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 2746 | float vx, vy; |
| 2747 | if (mPointerGesture.velocityTracker.getVelocity(id, &vx, &vy)) { |
| 2748 | float speed = hypotf(vx, vy); |
| 2749 | if (speed > bestSpeed) { |
| 2750 | bestId = id; |
| 2751 | bestSpeed = speed; |
| 2752 | } |
| 2753 | } |
| 2754 | } |
| 2755 | if (bestId >= 0 && bestId != activeTouchId) { |
| 2756 | mPointerGesture.activeTouchId = activeTouchId = bestId; |
| 2757 | #if DEBUG_GESTURES |
| 2758 | ALOGD("Gestures: BUTTON_CLICK_OR_DRAG switched pointers, " |
| 2759 | "bestId=%d, bestSpeed=%0.3f", |
| 2760 | bestId, bestSpeed); |
| 2761 | #endif |
| 2762 | } |
| 2763 | } |
| 2764 | |
| 2765 | float deltaX = 0, deltaY = 0; |
| 2766 | if (activeTouchId >= 0 && mLastCookedState.fingerIdBits.hasBit(activeTouchId)) { |
| 2767 | const RawPointerData::Pointer& currentPointer = |
| 2768 | mCurrentRawState.rawPointerData.pointerForId(activeTouchId); |
| 2769 | const RawPointerData::Pointer& lastPointer = |
| 2770 | mLastRawState.rawPointerData.pointerForId(activeTouchId); |
| 2771 | deltaX = (currentPointer.x - lastPointer.x) * mPointerXMovementScale; |
| 2772 | deltaY = (currentPointer.y - lastPointer.y) * mPointerYMovementScale; |
| 2773 | |
| 2774 | rotateDelta(mSurfaceOrientation, &deltaX, &deltaY); |
| 2775 | mPointerVelocityControl.move(when, &deltaX, &deltaY); |
| 2776 | |
| 2777 | // Move the pointer using a relative motion. |
| 2778 | // When using spots, the click will occur at the position of the anchor |
| 2779 | // spot and all other spots will move there. |
| 2780 | mPointerController->move(deltaX, deltaY); |
| 2781 | } else { |
| 2782 | mPointerVelocityControl.reset(); |
| 2783 | } |
| 2784 | |
| 2785 | float x, y; |
| 2786 | mPointerController->getPosition(&x, &y); |
| 2787 | |
| 2788 | mPointerGesture.currentGestureMode = PointerGesture::BUTTON_CLICK_OR_DRAG; |
| 2789 | mPointerGesture.currentGestureIdBits.clear(); |
| 2790 | mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId); |
| 2791 | mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0; |
| 2792 | mPointerGesture.currentGestureProperties[0].clear(); |
| 2793 | mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId; |
| 2794 | mPointerGesture.currentGestureProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER; |
| 2795 | mPointerGesture.currentGestureCoords[0].clear(); |
| 2796 | mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, x); |
| 2797 | mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, y); |
| 2798 | mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f); |
| 2799 | } else if (currentFingerCount == 0) { |
| 2800 | // Case 3. No fingers down and button is not pressed. (NEUTRAL) |
| 2801 | if (mPointerGesture.lastGestureMode != PointerGesture::NEUTRAL) { |
| 2802 | *outFinishPreviousGesture = true; |
| 2803 | } |
| 2804 | |
| 2805 | // Watch for taps coming out of HOVER or TAP_DRAG mode. |
| 2806 | // Checking for taps after TAP_DRAG allows us to detect double-taps. |
| 2807 | bool tapped = false; |
| 2808 | if ((mPointerGesture.lastGestureMode == PointerGesture::HOVER || |
| 2809 | mPointerGesture.lastGestureMode == PointerGesture::TAP_DRAG) && |
| 2810 | lastFingerCount == 1) { |
| 2811 | if (when <= mPointerGesture.tapDownTime + mConfig.pointerGestureTapInterval) { |
| 2812 | float x, y; |
| 2813 | mPointerController->getPosition(&x, &y); |
| 2814 | if (fabs(x - mPointerGesture.tapX) <= mConfig.pointerGestureTapSlop && |
| 2815 | fabs(y - mPointerGesture.tapY) <= mConfig.pointerGestureTapSlop) { |
| 2816 | #if DEBUG_GESTURES |
| 2817 | ALOGD("Gestures: TAP"); |
| 2818 | #endif |
| 2819 | |
| 2820 | mPointerGesture.tapUpTime = when; |
| 2821 | getContext()->requestTimeoutAtTime(when + |
| 2822 | mConfig.pointerGestureTapDragInterval); |
| 2823 | |
| 2824 | mPointerGesture.activeGestureId = 0; |
| 2825 | mPointerGesture.currentGestureMode = PointerGesture::TAP; |
| 2826 | mPointerGesture.currentGestureIdBits.clear(); |
| 2827 | mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId); |
| 2828 | mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0; |
| 2829 | mPointerGesture.currentGestureProperties[0].clear(); |
| 2830 | mPointerGesture.currentGestureProperties[0].id = |
| 2831 | mPointerGesture.activeGestureId; |
| 2832 | mPointerGesture.currentGestureProperties[0].toolType = |
| 2833 | AMOTION_EVENT_TOOL_TYPE_FINGER; |
| 2834 | mPointerGesture.currentGestureCoords[0].clear(); |
| 2835 | mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, |
| 2836 | mPointerGesture.tapX); |
| 2837 | mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, |
| 2838 | mPointerGesture.tapY); |
| 2839 | mPointerGesture.currentGestureCoords[0] |
| 2840 | .setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f); |
| 2841 | |
| 2842 | tapped = true; |
| 2843 | } else { |
| 2844 | #if DEBUG_GESTURES |
| 2845 | ALOGD("Gestures: Not a TAP, deltaX=%f, deltaY=%f", x - mPointerGesture.tapX, |
| 2846 | y - mPointerGesture.tapY); |
| 2847 | #endif |
| 2848 | } |
| 2849 | } else { |
| 2850 | #if DEBUG_GESTURES |
| 2851 | if (mPointerGesture.tapDownTime != LLONG_MIN) { |
| 2852 | ALOGD("Gestures: Not a TAP, %0.3fms since down", |
| 2853 | (when - mPointerGesture.tapDownTime) * 0.000001f); |
| 2854 | } else { |
| 2855 | ALOGD("Gestures: Not a TAP, incompatible mode transitions"); |
| 2856 | } |
| 2857 | #endif |
| 2858 | } |
| 2859 | } |
| 2860 | |
| 2861 | mPointerVelocityControl.reset(); |
| 2862 | |
| 2863 | if (!tapped) { |
| 2864 | #if DEBUG_GESTURES |
| 2865 | ALOGD("Gestures: NEUTRAL"); |
| 2866 | #endif |
| 2867 | mPointerGesture.activeGestureId = -1; |
| 2868 | mPointerGesture.currentGestureMode = PointerGesture::NEUTRAL; |
| 2869 | mPointerGesture.currentGestureIdBits.clear(); |
| 2870 | } |
| 2871 | } else if (currentFingerCount == 1) { |
| 2872 | // Case 4. Exactly one finger down, button is not pressed. (HOVER or TAP_DRAG) |
| 2873 | // The pointer follows the active touch point. |
| 2874 | // When in HOVER, emit HOVER_MOVE events at the pointer location. |
| 2875 | // When in TAP_DRAG, emit MOVE events at the pointer location. |
| 2876 | ALOG_ASSERT(activeTouchId >= 0); |
| 2877 | |
| 2878 | mPointerGesture.currentGestureMode = PointerGesture::HOVER; |
| 2879 | if (mPointerGesture.lastGestureMode == PointerGesture::TAP) { |
| 2880 | if (when <= mPointerGesture.tapUpTime + mConfig.pointerGestureTapDragInterval) { |
| 2881 | float x, y; |
| 2882 | mPointerController->getPosition(&x, &y); |
| 2883 | if (fabs(x - mPointerGesture.tapX) <= mConfig.pointerGestureTapSlop && |
| 2884 | fabs(y - mPointerGesture.tapY) <= mConfig.pointerGestureTapSlop) { |
| 2885 | mPointerGesture.currentGestureMode = PointerGesture::TAP_DRAG; |
| 2886 | } else { |
| 2887 | #if DEBUG_GESTURES |
| 2888 | ALOGD("Gestures: Not a TAP_DRAG, deltaX=%f, deltaY=%f", |
| 2889 | x - mPointerGesture.tapX, y - mPointerGesture.tapY); |
| 2890 | #endif |
| 2891 | } |
| 2892 | } else { |
| 2893 | #if DEBUG_GESTURES |
| 2894 | ALOGD("Gestures: Not a TAP_DRAG, %0.3fms time since up", |
| 2895 | (when - mPointerGesture.tapUpTime) * 0.000001f); |
| 2896 | #endif |
| 2897 | } |
| 2898 | } else if (mPointerGesture.lastGestureMode == PointerGesture::TAP_DRAG) { |
| 2899 | mPointerGesture.currentGestureMode = PointerGesture::TAP_DRAG; |
| 2900 | } |
| 2901 | |
| 2902 | float deltaX = 0, deltaY = 0; |
| 2903 | if (mLastCookedState.fingerIdBits.hasBit(activeTouchId)) { |
| 2904 | const RawPointerData::Pointer& currentPointer = |
| 2905 | mCurrentRawState.rawPointerData.pointerForId(activeTouchId); |
| 2906 | const RawPointerData::Pointer& lastPointer = |
| 2907 | mLastRawState.rawPointerData.pointerForId(activeTouchId); |
| 2908 | deltaX = (currentPointer.x - lastPointer.x) * mPointerXMovementScale; |
| 2909 | deltaY = (currentPointer.y - lastPointer.y) * mPointerYMovementScale; |
| 2910 | |
| 2911 | rotateDelta(mSurfaceOrientation, &deltaX, &deltaY); |
| 2912 | mPointerVelocityControl.move(when, &deltaX, &deltaY); |
| 2913 | |
| 2914 | // Move the pointer using a relative motion. |
| 2915 | // When using spots, the hover or drag will occur at the position of the anchor spot. |
| 2916 | mPointerController->move(deltaX, deltaY); |
| 2917 | } else { |
| 2918 | mPointerVelocityControl.reset(); |
| 2919 | } |
| 2920 | |
| 2921 | bool down; |
| 2922 | if (mPointerGesture.currentGestureMode == PointerGesture::TAP_DRAG) { |
| 2923 | #if DEBUG_GESTURES |
| 2924 | ALOGD("Gestures: TAP_DRAG"); |
| 2925 | #endif |
| 2926 | down = true; |
| 2927 | } else { |
| 2928 | #if DEBUG_GESTURES |
| 2929 | ALOGD("Gestures: HOVER"); |
| 2930 | #endif |
| 2931 | if (mPointerGesture.lastGestureMode != PointerGesture::HOVER) { |
| 2932 | *outFinishPreviousGesture = true; |
| 2933 | } |
| 2934 | mPointerGesture.activeGestureId = 0; |
| 2935 | down = false; |
| 2936 | } |
| 2937 | |
| 2938 | float x, y; |
| 2939 | mPointerController->getPosition(&x, &y); |
| 2940 | |
| 2941 | mPointerGesture.currentGestureIdBits.clear(); |
| 2942 | mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId); |
| 2943 | mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0; |
| 2944 | mPointerGesture.currentGestureProperties[0].clear(); |
| 2945 | mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId; |
| 2946 | mPointerGesture.currentGestureProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER; |
| 2947 | mPointerGesture.currentGestureCoords[0].clear(); |
| 2948 | mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, x); |
| 2949 | mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, y); |
| 2950 | mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, |
| 2951 | down ? 1.0f : 0.0f); |
| 2952 | |
| 2953 | if (lastFingerCount == 0 && currentFingerCount != 0) { |
| 2954 | mPointerGesture.resetTap(); |
| 2955 | mPointerGesture.tapDownTime = when; |
| 2956 | mPointerGesture.tapX = x; |
| 2957 | mPointerGesture.tapY = y; |
| 2958 | } |
| 2959 | } else { |
| 2960 | // Case 5. At least two fingers down, button is not pressed. (PRESS, SWIPE or FREEFORM) |
| 2961 | // We need to provide feedback for each finger that goes down so we cannot wait |
| 2962 | // for the fingers to move before deciding what to do. |
| 2963 | // |
| 2964 | // The ambiguous case is deciding what to do when there are two fingers down but they |
| 2965 | // have not moved enough to determine whether they are part of a drag or part of a |
| 2966 | // freeform gesture, or just a press or long-press at the pointer location. |
| 2967 | // |
| 2968 | // When there are two fingers we start with the PRESS hypothesis and we generate a |
| 2969 | // down at the pointer location. |
| 2970 | // |
| 2971 | // When the two fingers move enough or when additional fingers are added, we make |
| 2972 | // a decision to transition into SWIPE or FREEFORM mode accordingly. |
| 2973 | ALOG_ASSERT(activeTouchId >= 0); |
| 2974 | |
| 2975 | bool settled = when >= |
| 2976 | mPointerGesture.firstTouchTime + mConfig.pointerGestureMultitouchSettleInterval; |
| 2977 | if (mPointerGesture.lastGestureMode != PointerGesture::PRESS && |
| 2978 | mPointerGesture.lastGestureMode != PointerGesture::SWIPE && |
| 2979 | mPointerGesture.lastGestureMode != PointerGesture::FREEFORM) { |
| 2980 | *outFinishPreviousGesture = true; |
| 2981 | } else if (!settled && currentFingerCount > lastFingerCount) { |
| 2982 | // Additional pointers have gone down but not yet settled. |
| 2983 | // Reset the gesture. |
| 2984 | #if DEBUG_GESTURES |
| 2985 | ALOGD("Gestures: Resetting gesture since additional pointers went down for MULTITOUCH, " |
| 2986 | "settle time remaining %0.3fms", |
| 2987 | (mPointerGesture.firstTouchTime + mConfig.pointerGestureMultitouchSettleInterval - |
| 2988 | when) * 0.000001f); |
| 2989 | #endif |
| 2990 | *outCancelPreviousGesture = true; |
| 2991 | } else { |
| 2992 | // Continue previous gesture. |
| 2993 | mPointerGesture.currentGestureMode = mPointerGesture.lastGestureMode; |
| 2994 | } |
| 2995 | |
| 2996 | if (*outFinishPreviousGesture || *outCancelPreviousGesture) { |
| 2997 | mPointerGesture.currentGestureMode = PointerGesture::PRESS; |
| 2998 | mPointerGesture.activeGestureId = 0; |
| 2999 | mPointerGesture.referenceIdBits.clear(); |
| 3000 | mPointerVelocityControl.reset(); |
| 3001 | |
| 3002 | // Use the centroid and pointer location as the reference points for the gesture. |
| 3003 | #if DEBUG_GESTURES |
| 3004 | ALOGD("Gestures: Using centroid as reference for MULTITOUCH, " |
| 3005 | "settle time remaining %0.3fms", |
| 3006 | (mPointerGesture.firstTouchTime + mConfig.pointerGestureMultitouchSettleInterval - |
| 3007 | when) * 0.000001f); |
| 3008 | #endif |
| 3009 | mCurrentRawState.rawPointerData |
| 3010 | .getCentroidOfTouchingPointers(&mPointerGesture.referenceTouchX, |
| 3011 | &mPointerGesture.referenceTouchY); |
| 3012 | mPointerController->getPosition(&mPointerGesture.referenceGestureX, |
| 3013 | &mPointerGesture.referenceGestureY); |
| 3014 | } |
| 3015 | |
| 3016 | // Clear the reference deltas for fingers not yet included in the reference calculation. |
| 3017 | for (BitSet32 idBits(mCurrentCookedState.fingerIdBits.value & |
| 3018 | ~mPointerGesture.referenceIdBits.value); |
| 3019 | !idBits.isEmpty();) { |
| 3020 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 3021 | mPointerGesture.referenceDeltas[id].dx = 0; |
| 3022 | mPointerGesture.referenceDeltas[id].dy = 0; |
| 3023 | } |
| 3024 | mPointerGesture.referenceIdBits = mCurrentCookedState.fingerIdBits; |
| 3025 | |
| 3026 | // Add delta for all fingers and calculate a common movement delta. |
| 3027 | float commonDeltaX = 0, commonDeltaY = 0; |
| 3028 | BitSet32 commonIdBits(mLastCookedState.fingerIdBits.value & |
| 3029 | mCurrentCookedState.fingerIdBits.value); |
| 3030 | for (BitSet32 idBits(commonIdBits); !idBits.isEmpty();) { |
| 3031 | bool first = (idBits == commonIdBits); |
| 3032 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 3033 | const RawPointerData::Pointer& cpd = mCurrentRawState.rawPointerData.pointerForId(id); |
| 3034 | const RawPointerData::Pointer& lpd = mLastRawState.rawPointerData.pointerForId(id); |
| 3035 | PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id]; |
| 3036 | delta.dx += cpd.x - lpd.x; |
| 3037 | delta.dy += cpd.y - lpd.y; |
| 3038 | |
| 3039 | if (first) { |
| 3040 | commonDeltaX = delta.dx; |
| 3041 | commonDeltaY = delta.dy; |
| 3042 | } else { |
| 3043 | commonDeltaX = calculateCommonVector(commonDeltaX, delta.dx); |
| 3044 | commonDeltaY = calculateCommonVector(commonDeltaY, delta.dy); |
| 3045 | } |
| 3046 | } |
| 3047 | |
| 3048 | // Consider transitions from PRESS to SWIPE or MULTITOUCH. |
| 3049 | if (mPointerGesture.currentGestureMode == PointerGesture::PRESS) { |
| 3050 | float dist[MAX_POINTER_ID + 1]; |
| 3051 | int32_t distOverThreshold = 0; |
| 3052 | for (BitSet32 idBits(mPointerGesture.referenceIdBits); !idBits.isEmpty();) { |
| 3053 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 3054 | PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id]; |
| 3055 | dist[id] = hypotf(delta.dx * mPointerXZoomScale, delta.dy * mPointerYZoomScale); |
| 3056 | if (dist[id] > mConfig.pointerGestureMultitouchMinDistance) { |
| 3057 | distOverThreshold += 1; |
| 3058 | } |
| 3059 | } |
| 3060 | |
| 3061 | // Only transition when at least two pointers have moved further than |
| 3062 | // the minimum distance threshold. |
| 3063 | if (distOverThreshold >= 2) { |
| 3064 | if (currentFingerCount > 2) { |
| 3065 | // There are more than two pointers, switch to FREEFORM. |
| 3066 | #if DEBUG_GESTURES |
| 3067 | ALOGD("Gestures: PRESS transitioned to FREEFORM, number of pointers %d > 2", |
| 3068 | currentFingerCount); |
| 3069 | #endif |
| 3070 | *outCancelPreviousGesture = true; |
| 3071 | mPointerGesture.currentGestureMode = PointerGesture::FREEFORM; |
| 3072 | } else { |
| 3073 | // There are exactly two pointers. |
| 3074 | BitSet32 idBits(mCurrentCookedState.fingerIdBits); |
| 3075 | uint32_t id1 = idBits.clearFirstMarkedBit(); |
| 3076 | uint32_t id2 = idBits.firstMarkedBit(); |
| 3077 | const RawPointerData::Pointer& p1 = |
| 3078 | mCurrentRawState.rawPointerData.pointerForId(id1); |
| 3079 | const RawPointerData::Pointer& p2 = |
| 3080 | mCurrentRawState.rawPointerData.pointerForId(id2); |
| 3081 | float mutualDistance = distance(p1.x, p1.y, p2.x, p2.y); |
| 3082 | if (mutualDistance > mPointerGestureMaxSwipeWidth) { |
| 3083 | // There are two pointers but they are too far apart for a SWIPE, |
| 3084 | // switch to FREEFORM. |
| 3085 | #if DEBUG_GESTURES |
| 3086 | ALOGD("Gestures: PRESS transitioned to FREEFORM, distance %0.3f > %0.3f", |
| 3087 | mutualDistance, mPointerGestureMaxSwipeWidth); |
| 3088 | #endif |
| 3089 | *outCancelPreviousGesture = true; |
| 3090 | mPointerGesture.currentGestureMode = PointerGesture::FREEFORM; |
| 3091 | } else { |
| 3092 | // There are two pointers. Wait for both pointers to start moving |
| 3093 | // before deciding whether this is a SWIPE or FREEFORM gesture. |
| 3094 | float dist1 = dist[id1]; |
| 3095 | float dist2 = dist[id2]; |
| 3096 | if (dist1 >= mConfig.pointerGestureMultitouchMinDistance && |
| 3097 | dist2 >= mConfig.pointerGestureMultitouchMinDistance) { |
| 3098 | // Calculate the dot product of the displacement vectors. |
| 3099 | // When the vectors are oriented in approximately the same direction, |
| 3100 | // the angle betweeen them is near zero and the cosine of the angle |
| 3101 | // approches 1.0. Recall that dot(v1, v2) = cos(angle) * mag(v1) * |
| 3102 | // mag(v2). |
| 3103 | PointerGesture::Delta& delta1 = mPointerGesture.referenceDeltas[id1]; |
| 3104 | PointerGesture::Delta& delta2 = mPointerGesture.referenceDeltas[id2]; |
| 3105 | float dx1 = delta1.dx * mPointerXZoomScale; |
| 3106 | float dy1 = delta1.dy * mPointerYZoomScale; |
| 3107 | float dx2 = delta2.dx * mPointerXZoomScale; |
| 3108 | float dy2 = delta2.dy * mPointerYZoomScale; |
| 3109 | float dot = dx1 * dx2 + dy1 * dy2; |
| 3110 | float cosine = dot / (dist1 * dist2); // denominator always > 0 |
| 3111 | if (cosine >= mConfig.pointerGestureSwipeTransitionAngleCosine) { |
| 3112 | // Pointers are moving in the same direction. Switch to SWIPE. |
| 3113 | #if DEBUG_GESTURES |
| 3114 | ALOGD("Gestures: PRESS transitioned to SWIPE, " |
| 3115 | "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, " |
| 3116 | "cosine %0.3f >= %0.3f", |
| 3117 | dist1, mConfig.pointerGestureMultitouchMinDistance, dist2, |
| 3118 | mConfig.pointerGestureMultitouchMinDistance, cosine, |
| 3119 | mConfig.pointerGestureSwipeTransitionAngleCosine); |
| 3120 | #endif |
| 3121 | mPointerGesture.currentGestureMode = PointerGesture::SWIPE; |
| 3122 | } else { |
| 3123 | // Pointers are moving in different directions. Switch to FREEFORM. |
| 3124 | #if DEBUG_GESTURES |
| 3125 | ALOGD("Gestures: PRESS transitioned to FREEFORM, " |
| 3126 | "dist1 %0.3f >= %0.3f, dist2 %0.3f >= %0.3f, " |
| 3127 | "cosine %0.3f < %0.3f", |
| 3128 | dist1, mConfig.pointerGestureMultitouchMinDistance, dist2, |
| 3129 | mConfig.pointerGestureMultitouchMinDistance, cosine, |
| 3130 | mConfig.pointerGestureSwipeTransitionAngleCosine); |
| 3131 | #endif |
| 3132 | *outCancelPreviousGesture = true; |
| 3133 | mPointerGesture.currentGestureMode = PointerGesture::FREEFORM; |
| 3134 | } |
| 3135 | } |
| 3136 | } |
| 3137 | } |
| 3138 | } |
| 3139 | } else if (mPointerGesture.currentGestureMode == PointerGesture::SWIPE) { |
| 3140 | // Switch from SWIPE to FREEFORM if additional pointers go down. |
| 3141 | // Cancel previous gesture. |
| 3142 | if (currentFingerCount > 2) { |
| 3143 | #if DEBUG_GESTURES |
| 3144 | ALOGD("Gestures: SWIPE transitioned to FREEFORM, number of pointers %d > 2", |
| 3145 | currentFingerCount); |
| 3146 | #endif |
| 3147 | *outCancelPreviousGesture = true; |
| 3148 | mPointerGesture.currentGestureMode = PointerGesture::FREEFORM; |
| 3149 | } |
| 3150 | } |
| 3151 | |
| 3152 | // Move the reference points based on the overall group motion of the fingers |
| 3153 | // except in PRESS mode while waiting for a transition to occur. |
| 3154 | if (mPointerGesture.currentGestureMode != PointerGesture::PRESS && |
| 3155 | (commonDeltaX || commonDeltaY)) { |
| 3156 | for (BitSet32 idBits(mPointerGesture.referenceIdBits); !idBits.isEmpty();) { |
| 3157 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 3158 | PointerGesture::Delta& delta = mPointerGesture.referenceDeltas[id]; |
| 3159 | delta.dx = 0; |
| 3160 | delta.dy = 0; |
| 3161 | } |
| 3162 | |
| 3163 | mPointerGesture.referenceTouchX += commonDeltaX; |
| 3164 | mPointerGesture.referenceTouchY += commonDeltaY; |
| 3165 | |
| 3166 | commonDeltaX *= mPointerXMovementScale; |
| 3167 | commonDeltaY *= mPointerYMovementScale; |
| 3168 | |
| 3169 | rotateDelta(mSurfaceOrientation, &commonDeltaX, &commonDeltaY); |
| 3170 | mPointerVelocityControl.move(when, &commonDeltaX, &commonDeltaY); |
| 3171 | |
| 3172 | mPointerGesture.referenceGestureX += commonDeltaX; |
| 3173 | mPointerGesture.referenceGestureY += commonDeltaY; |
| 3174 | } |
| 3175 | |
| 3176 | // Report gestures. |
| 3177 | if (mPointerGesture.currentGestureMode == PointerGesture::PRESS || |
| 3178 | mPointerGesture.currentGestureMode == PointerGesture::SWIPE) { |
| 3179 | // PRESS or SWIPE mode. |
| 3180 | #if DEBUG_GESTURES |
| 3181 | ALOGD("Gestures: PRESS or SWIPE activeTouchId=%d," |
| 3182 | "activeGestureId=%d, currentTouchPointerCount=%d", |
| 3183 | activeTouchId, mPointerGesture.activeGestureId, currentFingerCount); |
| 3184 | #endif |
| 3185 | ALOG_ASSERT(mPointerGesture.activeGestureId >= 0); |
| 3186 | |
| 3187 | mPointerGesture.currentGestureIdBits.clear(); |
| 3188 | mPointerGesture.currentGestureIdBits.markBit(mPointerGesture.activeGestureId); |
| 3189 | mPointerGesture.currentGestureIdToIndex[mPointerGesture.activeGestureId] = 0; |
| 3190 | mPointerGesture.currentGestureProperties[0].clear(); |
| 3191 | mPointerGesture.currentGestureProperties[0].id = mPointerGesture.activeGestureId; |
| 3192 | mPointerGesture.currentGestureProperties[0].toolType = AMOTION_EVENT_TOOL_TYPE_FINGER; |
| 3193 | mPointerGesture.currentGestureCoords[0].clear(); |
| 3194 | mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_X, |
| 3195 | mPointerGesture.referenceGestureX); |
| 3196 | mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_Y, |
| 3197 | mPointerGesture.referenceGestureY); |
| 3198 | mPointerGesture.currentGestureCoords[0].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, 1.0f); |
| 3199 | } else if (mPointerGesture.currentGestureMode == PointerGesture::FREEFORM) { |
| 3200 | // FREEFORM mode. |
| 3201 | #if DEBUG_GESTURES |
| 3202 | ALOGD("Gestures: FREEFORM activeTouchId=%d," |
| 3203 | "activeGestureId=%d, currentTouchPointerCount=%d", |
| 3204 | activeTouchId, mPointerGesture.activeGestureId, currentFingerCount); |
| 3205 | #endif |
| 3206 | ALOG_ASSERT(mPointerGesture.activeGestureId >= 0); |
| 3207 | |
| 3208 | mPointerGesture.currentGestureIdBits.clear(); |
| 3209 | |
| 3210 | BitSet32 mappedTouchIdBits; |
| 3211 | BitSet32 usedGestureIdBits; |
| 3212 | if (mPointerGesture.lastGestureMode != PointerGesture::FREEFORM) { |
| 3213 | // Initially, assign the active gesture id to the active touch point |
| 3214 | // if there is one. No other touch id bits are mapped yet. |
| 3215 | if (!*outCancelPreviousGesture) { |
| 3216 | mappedTouchIdBits.markBit(activeTouchId); |
| 3217 | usedGestureIdBits.markBit(mPointerGesture.activeGestureId); |
| 3218 | mPointerGesture.freeformTouchToGestureIdMap[activeTouchId] = |
| 3219 | mPointerGesture.activeGestureId; |
| 3220 | } else { |
| 3221 | mPointerGesture.activeGestureId = -1; |
| 3222 | } |
| 3223 | } else { |
| 3224 | // Otherwise, assume we mapped all touches from the previous frame. |
| 3225 | // Reuse all mappings that are still applicable. |
| 3226 | mappedTouchIdBits.value = mLastCookedState.fingerIdBits.value & |
| 3227 | mCurrentCookedState.fingerIdBits.value; |
| 3228 | usedGestureIdBits = mPointerGesture.lastGestureIdBits; |
| 3229 | |
| 3230 | // Check whether we need to choose a new active gesture id because the |
| 3231 | // current went went up. |
| 3232 | for (BitSet32 upTouchIdBits(mLastCookedState.fingerIdBits.value & |
| 3233 | ~mCurrentCookedState.fingerIdBits.value); |
| 3234 | !upTouchIdBits.isEmpty();) { |
| 3235 | uint32_t upTouchId = upTouchIdBits.clearFirstMarkedBit(); |
| 3236 | uint32_t upGestureId = mPointerGesture.freeformTouchToGestureIdMap[upTouchId]; |
| 3237 | if (upGestureId == uint32_t(mPointerGesture.activeGestureId)) { |
| 3238 | mPointerGesture.activeGestureId = -1; |
| 3239 | break; |
| 3240 | } |
| 3241 | } |
| 3242 | } |
| 3243 | |
| 3244 | #if DEBUG_GESTURES |
| 3245 | ALOGD("Gestures: FREEFORM follow up " |
| 3246 | "mappedTouchIdBits=0x%08x, usedGestureIdBits=0x%08x, " |
| 3247 | "activeGestureId=%d", |
| 3248 | mappedTouchIdBits.value, usedGestureIdBits.value, |
| 3249 | mPointerGesture.activeGestureId); |
| 3250 | #endif |
| 3251 | |
| 3252 | BitSet32 idBits(mCurrentCookedState.fingerIdBits); |
| 3253 | for (uint32_t i = 0; i < currentFingerCount; i++) { |
| 3254 | uint32_t touchId = idBits.clearFirstMarkedBit(); |
| 3255 | uint32_t gestureId; |
| 3256 | if (!mappedTouchIdBits.hasBit(touchId)) { |
| 3257 | gestureId = usedGestureIdBits.markFirstUnmarkedBit(); |
| 3258 | mPointerGesture.freeformTouchToGestureIdMap[touchId] = gestureId; |
| 3259 | #if DEBUG_GESTURES |
| 3260 | ALOGD("Gestures: FREEFORM " |
| 3261 | "new mapping for touch id %d -> gesture id %d", |
| 3262 | touchId, gestureId); |
| 3263 | #endif |
| 3264 | } else { |
| 3265 | gestureId = mPointerGesture.freeformTouchToGestureIdMap[touchId]; |
| 3266 | #if DEBUG_GESTURES |
| 3267 | ALOGD("Gestures: FREEFORM " |
| 3268 | "existing mapping for touch id %d -> gesture id %d", |
| 3269 | touchId, gestureId); |
| 3270 | #endif |
| 3271 | } |
| 3272 | mPointerGesture.currentGestureIdBits.markBit(gestureId); |
| 3273 | mPointerGesture.currentGestureIdToIndex[gestureId] = i; |
| 3274 | |
| 3275 | const RawPointerData::Pointer& pointer = |
| 3276 | mCurrentRawState.rawPointerData.pointerForId(touchId); |
| 3277 | float deltaX = (pointer.x - mPointerGesture.referenceTouchX) * mPointerXZoomScale; |
| 3278 | float deltaY = (pointer.y - mPointerGesture.referenceTouchY) * mPointerYZoomScale; |
| 3279 | rotateDelta(mSurfaceOrientation, &deltaX, &deltaY); |
| 3280 | |
| 3281 | mPointerGesture.currentGestureProperties[i].clear(); |
| 3282 | mPointerGesture.currentGestureProperties[i].id = gestureId; |
| 3283 | mPointerGesture.currentGestureProperties[i].toolType = |
| 3284 | AMOTION_EVENT_TOOL_TYPE_FINGER; |
| 3285 | mPointerGesture.currentGestureCoords[i].clear(); |
| 3286 | mPointerGesture.currentGestureCoords[i] |
| 3287 | .setAxisValue(AMOTION_EVENT_AXIS_X, |
| 3288 | mPointerGesture.referenceGestureX + deltaX); |
| 3289 | mPointerGesture.currentGestureCoords[i] |
| 3290 | .setAxisValue(AMOTION_EVENT_AXIS_Y, |
| 3291 | mPointerGesture.referenceGestureY + deltaY); |
| 3292 | mPointerGesture.currentGestureCoords[i].setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, |
| 3293 | 1.0f); |
| 3294 | } |
| 3295 | |
| 3296 | if (mPointerGesture.activeGestureId < 0) { |
| 3297 | mPointerGesture.activeGestureId = |
| 3298 | mPointerGesture.currentGestureIdBits.firstMarkedBit(); |
| 3299 | #if DEBUG_GESTURES |
| 3300 | ALOGD("Gestures: FREEFORM new " |
| 3301 | "activeGestureId=%d", |
| 3302 | mPointerGesture.activeGestureId); |
| 3303 | #endif |
| 3304 | } |
| 3305 | } |
| 3306 | } |
| 3307 | |
| 3308 | mPointerController->setButtonState(mCurrentRawState.buttonState); |
| 3309 | |
| 3310 | #if DEBUG_GESTURES |
| 3311 | ALOGD("Gestures: finishPreviousGesture=%s, cancelPreviousGesture=%s, " |
| 3312 | "currentGestureMode=%d, currentGestureIdBits=0x%08x, " |
| 3313 | "lastGestureMode=%d, lastGestureIdBits=0x%08x", |
| 3314 | toString(*outFinishPreviousGesture), toString(*outCancelPreviousGesture), |
| 3315 | mPointerGesture.currentGestureMode, mPointerGesture.currentGestureIdBits.value, |
| 3316 | mPointerGesture.lastGestureMode, mPointerGesture.lastGestureIdBits.value); |
| 3317 | for (BitSet32 idBits = mPointerGesture.currentGestureIdBits; !idBits.isEmpty();) { |
| 3318 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 3319 | uint32_t index = mPointerGesture.currentGestureIdToIndex[id]; |
| 3320 | const PointerProperties& properties = mPointerGesture.currentGestureProperties[index]; |
| 3321 | const PointerCoords& coords = mPointerGesture.currentGestureCoords[index]; |
| 3322 | ALOGD(" currentGesture[%d]: index=%d, toolType=%d, " |
| 3323 | "x=%0.3f, y=%0.3f, pressure=%0.3f", |
| 3324 | id, index, properties.toolType, coords.getAxisValue(AMOTION_EVENT_AXIS_X), |
| 3325 | coords.getAxisValue(AMOTION_EVENT_AXIS_Y), |
| 3326 | coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE)); |
| 3327 | } |
| 3328 | for (BitSet32 idBits = mPointerGesture.lastGestureIdBits; !idBits.isEmpty();) { |
| 3329 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 3330 | uint32_t index = mPointerGesture.lastGestureIdToIndex[id]; |
| 3331 | const PointerProperties& properties = mPointerGesture.lastGestureProperties[index]; |
| 3332 | const PointerCoords& coords = mPointerGesture.lastGestureCoords[index]; |
| 3333 | ALOGD(" lastGesture[%d]: index=%d, toolType=%d, " |
| 3334 | "x=%0.3f, y=%0.3f, pressure=%0.3f", |
| 3335 | id, index, properties.toolType, coords.getAxisValue(AMOTION_EVENT_AXIS_X), |
| 3336 | coords.getAxisValue(AMOTION_EVENT_AXIS_Y), |
| 3337 | coords.getAxisValue(AMOTION_EVENT_AXIS_PRESSURE)); |
| 3338 | } |
| 3339 | #endif |
| 3340 | return true; |
| 3341 | } |
| 3342 | |
| 3343 | void TouchInputMapper::dispatchPointerStylus(nsecs_t when, uint32_t policyFlags) { |
| 3344 | mPointerSimple.currentCoords.clear(); |
| 3345 | mPointerSimple.currentProperties.clear(); |
| 3346 | |
| 3347 | bool down, hovering; |
| 3348 | if (!mCurrentCookedState.stylusIdBits.isEmpty()) { |
| 3349 | uint32_t id = mCurrentCookedState.stylusIdBits.firstMarkedBit(); |
| 3350 | uint32_t index = mCurrentCookedState.cookedPointerData.idToIndex[id]; |
| 3351 | float x = mCurrentCookedState.cookedPointerData.pointerCoords[index].getX(); |
| 3352 | float y = mCurrentCookedState.cookedPointerData.pointerCoords[index].getY(); |
| 3353 | mPointerController->setPosition(x, y); |
| 3354 | |
| 3355 | hovering = mCurrentCookedState.cookedPointerData.hoveringIdBits.hasBit(id); |
| 3356 | down = !hovering; |
| 3357 | |
| 3358 | mPointerController->getPosition(&x, &y); |
| 3359 | mPointerSimple.currentCoords.copyFrom( |
| 3360 | mCurrentCookedState.cookedPointerData.pointerCoords[index]); |
| 3361 | mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x); |
| 3362 | mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y); |
| 3363 | mPointerSimple.currentProperties.id = 0; |
| 3364 | mPointerSimple.currentProperties.toolType = |
| 3365 | mCurrentCookedState.cookedPointerData.pointerProperties[index].toolType; |
| 3366 | } else { |
| 3367 | down = false; |
| 3368 | hovering = false; |
| 3369 | } |
| 3370 | |
| 3371 | dispatchPointerSimple(when, policyFlags, down, hovering); |
| 3372 | } |
| 3373 | |
| 3374 | void TouchInputMapper::abortPointerStylus(nsecs_t when, uint32_t policyFlags) { |
| 3375 | abortPointerSimple(when, policyFlags); |
| 3376 | } |
| 3377 | |
| 3378 | void TouchInputMapper::dispatchPointerMouse(nsecs_t when, uint32_t policyFlags) { |
| 3379 | mPointerSimple.currentCoords.clear(); |
| 3380 | mPointerSimple.currentProperties.clear(); |
| 3381 | |
| 3382 | bool down, hovering; |
| 3383 | if (!mCurrentCookedState.mouseIdBits.isEmpty()) { |
| 3384 | uint32_t id = mCurrentCookedState.mouseIdBits.firstMarkedBit(); |
| 3385 | uint32_t currentIndex = mCurrentRawState.rawPointerData.idToIndex[id]; |
| 3386 | float deltaX = 0, deltaY = 0; |
| 3387 | if (mLastCookedState.mouseIdBits.hasBit(id)) { |
| 3388 | uint32_t lastIndex = mCurrentRawState.rawPointerData.idToIndex[id]; |
| 3389 | deltaX = (mCurrentRawState.rawPointerData.pointers[currentIndex].x - |
| 3390 | mLastRawState.rawPointerData.pointers[lastIndex].x) * |
| 3391 | mPointerXMovementScale; |
| 3392 | deltaY = (mCurrentRawState.rawPointerData.pointers[currentIndex].y - |
| 3393 | mLastRawState.rawPointerData.pointers[lastIndex].y) * |
| 3394 | mPointerYMovementScale; |
| 3395 | |
| 3396 | rotateDelta(mSurfaceOrientation, &deltaX, &deltaY); |
| 3397 | mPointerVelocityControl.move(when, &deltaX, &deltaY); |
| 3398 | |
| 3399 | mPointerController->move(deltaX, deltaY); |
| 3400 | } else { |
| 3401 | mPointerVelocityControl.reset(); |
| 3402 | } |
| 3403 | |
| 3404 | down = isPointerDown(mCurrentRawState.buttonState); |
| 3405 | hovering = !down; |
| 3406 | |
| 3407 | float x, y; |
| 3408 | mPointerController->getPosition(&x, &y); |
| 3409 | mPointerSimple.currentCoords.copyFrom( |
| 3410 | mCurrentCookedState.cookedPointerData.pointerCoords[currentIndex]); |
| 3411 | mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_X, x); |
| 3412 | mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_Y, y); |
| 3413 | mPointerSimple.currentCoords.setAxisValue(AMOTION_EVENT_AXIS_PRESSURE, |
| 3414 | hovering ? 0.0f : 1.0f); |
| 3415 | mPointerSimple.currentProperties.id = 0; |
| 3416 | mPointerSimple.currentProperties.toolType = |
| 3417 | mCurrentCookedState.cookedPointerData.pointerProperties[currentIndex].toolType; |
| 3418 | } else { |
| 3419 | mPointerVelocityControl.reset(); |
| 3420 | |
| 3421 | down = false; |
| 3422 | hovering = false; |
| 3423 | } |
| 3424 | |
| 3425 | dispatchPointerSimple(when, policyFlags, down, hovering); |
| 3426 | } |
| 3427 | |
| 3428 | void TouchInputMapper::abortPointerMouse(nsecs_t when, uint32_t policyFlags) { |
| 3429 | abortPointerSimple(when, policyFlags); |
| 3430 | |
| 3431 | mPointerVelocityControl.reset(); |
| 3432 | } |
| 3433 | |
| 3434 | void TouchInputMapper::dispatchPointerSimple(nsecs_t when, uint32_t policyFlags, bool down, |
| 3435 | bool hovering) { |
| 3436 | int32_t metaState = getContext()->getGlobalMetaState(); |
| 3437 | int32_t displayId = mViewport.displayId; |
| 3438 | |
| 3439 | if (mPointerController != nullptr) { |
| 3440 | if (down || hovering) { |
| 3441 | mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_POINTER); |
| 3442 | mPointerController->clearSpots(); |
| 3443 | mPointerController->setButtonState(mCurrentRawState.buttonState); |
| 3444 | mPointerController->unfade(PointerControllerInterface::TRANSITION_IMMEDIATE); |
| 3445 | } else if (!down && !hovering && (mPointerSimple.down || mPointerSimple.hovering)) { |
| 3446 | mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL); |
| 3447 | } |
| 3448 | displayId = mPointerController->getDisplayId(); |
| 3449 | } |
| 3450 | |
| 3451 | if (mPointerSimple.down && !down) { |
| 3452 | mPointerSimple.down = false; |
| 3453 | |
| 3454 | // Send up. |
| 3455 | NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), mSource, |
| 3456 | displayId, policyFlags, AMOTION_EVENT_ACTION_UP, 0, 0, metaState, |
| 3457 | mLastRawState.buttonState, MotionClassification::NONE, |
| 3458 | AMOTION_EVENT_EDGE_FLAG_NONE, /* deviceTimestamp */ 0, 1, |
| 3459 | &mPointerSimple.lastProperties, &mPointerSimple.lastCoords, |
| 3460 | mOrientedXPrecision, mOrientedYPrecision, mPointerSimple.downTime, |
| 3461 | /* videoFrames */ {}); |
| 3462 | getListener()->notifyMotion(&args); |
| 3463 | } |
| 3464 | |
| 3465 | if (mPointerSimple.hovering && !hovering) { |
| 3466 | mPointerSimple.hovering = false; |
| 3467 | |
| 3468 | // Send hover exit. |
| 3469 | NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), mSource, |
| 3470 | displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_EXIT, 0, 0, |
| 3471 | metaState, mLastRawState.buttonState, MotionClassification::NONE, |
| 3472 | AMOTION_EVENT_EDGE_FLAG_NONE, /* deviceTimestamp */ 0, 1, |
| 3473 | &mPointerSimple.lastProperties, &mPointerSimple.lastCoords, |
| 3474 | mOrientedXPrecision, mOrientedYPrecision, mPointerSimple.downTime, |
| 3475 | /* videoFrames */ {}); |
| 3476 | getListener()->notifyMotion(&args); |
| 3477 | } |
| 3478 | |
| 3479 | if (down) { |
| 3480 | if (!mPointerSimple.down) { |
| 3481 | mPointerSimple.down = true; |
| 3482 | mPointerSimple.downTime = when; |
| 3483 | |
| 3484 | // Send down. |
| 3485 | NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), mSource, |
| 3486 | displayId, policyFlags, AMOTION_EVENT_ACTION_DOWN, 0, 0, |
| 3487 | metaState, mCurrentRawState.buttonState, |
| 3488 | MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, |
| 3489 | /* deviceTimestamp */ 0, 1, &mPointerSimple.currentProperties, |
| 3490 | &mPointerSimple.currentCoords, mOrientedXPrecision, |
| 3491 | mOrientedYPrecision, mPointerSimple.downTime, |
| 3492 | /* videoFrames */ {}); |
| 3493 | getListener()->notifyMotion(&args); |
| 3494 | } |
| 3495 | |
| 3496 | // Send move. |
| 3497 | NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), mSource, |
| 3498 | displayId, policyFlags, AMOTION_EVENT_ACTION_MOVE, 0, 0, metaState, |
| 3499 | mCurrentRawState.buttonState, MotionClassification::NONE, |
| 3500 | AMOTION_EVENT_EDGE_FLAG_NONE, /* deviceTimestamp */ 0, 1, |
| 3501 | &mPointerSimple.currentProperties, &mPointerSimple.currentCoords, |
| 3502 | mOrientedXPrecision, mOrientedYPrecision, mPointerSimple.downTime, |
| 3503 | /* videoFrames */ {}); |
| 3504 | getListener()->notifyMotion(&args); |
| 3505 | } |
| 3506 | |
| 3507 | if (hovering) { |
| 3508 | if (!mPointerSimple.hovering) { |
| 3509 | mPointerSimple.hovering = true; |
| 3510 | |
| 3511 | // Send hover enter. |
| 3512 | NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), mSource, |
| 3513 | displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_ENTER, 0, 0, |
| 3514 | metaState, mCurrentRawState.buttonState, |
| 3515 | MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, |
| 3516 | /* deviceTimestamp */ 0, 1, &mPointerSimple.currentProperties, |
| 3517 | &mPointerSimple.currentCoords, mOrientedXPrecision, |
| 3518 | mOrientedYPrecision, mPointerSimple.downTime, |
| 3519 | /* videoFrames */ {}); |
| 3520 | getListener()->notifyMotion(&args); |
| 3521 | } |
| 3522 | |
| 3523 | // Send hover move. |
| 3524 | NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), mSource, |
| 3525 | displayId, policyFlags, AMOTION_EVENT_ACTION_HOVER_MOVE, 0, 0, |
| 3526 | metaState, mCurrentRawState.buttonState, MotionClassification::NONE, |
| 3527 | AMOTION_EVENT_EDGE_FLAG_NONE, /* deviceTimestamp */ 0, 1, |
| 3528 | &mPointerSimple.currentProperties, &mPointerSimple.currentCoords, |
| 3529 | mOrientedXPrecision, mOrientedYPrecision, mPointerSimple.downTime, |
| 3530 | /* videoFrames */ {}); |
| 3531 | getListener()->notifyMotion(&args); |
| 3532 | } |
| 3533 | |
| 3534 | if (mCurrentRawState.rawVScroll || mCurrentRawState.rawHScroll) { |
| 3535 | float vscroll = mCurrentRawState.rawVScroll; |
| 3536 | float hscroll = mCurrentRawState.rawHScroll; |
| 3537 | mWheelYVelocityControl.move(when, nullptr, &vscroll); |
| 3538 | mWheelXVelocityControl.move(when, &hscroll, nullptr); |
| 3539 | |
| 3540 | // Send scroll. |
| 3541 | PointerCoords pointerCoords; |
| 3542 | pointerCoords.copyFrom(mPointerSimple.currentCoords); |
| 3543 | pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_VSCROLL, vscroll); |
| 3544 | pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_HSCROLL, hscroll); |
| 3545 | |
| 3546 | NotifyMotionArgs args(mContext->getNextSequenceNum(), when, getDeviceId(), mSource, |
| 3547 | displayId, policyFlags, AMOTION_EVENT_ACTION_SCROLL, 0, 0, metaState, |
| 3548 | mCurrentRawState.buttonState, MotionClassification::NONE, |
| 3549 | AMOTION_EVENT_EDGE_FLAG_NONE, /* deviceTimestamp */ 0, 1, |
| 3550 | &mPointerSimple.currentProperties, &pointerCoords, |
| 3551 | mOrientedXPrecision, mOrientedYPrecision, mPointerSimple.downTime, |
| 3552 | /* videoFrames */ {}); |
| 3553 | getListener()->notifyMotion(&args); |
| 3554 | } |
| 3555 | |
| 3556 | // Save state. |
| 3557 | if (down || hovering) { |
| 3558 | mPointerSimple.lastCoords.copyFrom(mPointerSimple.currentCoords); |
| 3559 | mPointerSimple.lastProperties.copyFrom(mPointerSimple.currentProperties); |
| 3560 | } else { |
| 3561 | mPointerSimple.reset(); |
| 3562 | } |
| 3563 | } |
| 3564 | |
| 3565 | void TouchInputMapper::abortPointerSimple(nsecs_t when, uint32_t policyFlags) { |
| 3566 | mPointerSimple.currentCoords.clear(); |
| 3567 | mPointerSimple.currentProperties.clear(); |
| 3568 | |
| 3569 | dispatchPointerSimple(when, policyFlags, false, false); |
| 3570 | } |
| 3571 | |
| 3572 | void TouchInputMapper::dispatchMotion(nsecs_t when, uint32_t policyFlags, uint32_t source, |
| 3573 | int32_t action, int32_t actionButton, int32_t flags, |
| 3574 | int32_t metaState, int32_t buttonState, int32_t edgeFlags, |
| 3575 | uint32_t deviceTimestamp, const PointerProperties* properties, |
| 3576 | const PointerCoords* coords, const uint32_t* idToIndex, |
| 3577 | BitSet32 idBits, int32_t changedId, float xPrecision, |
| 3578 | float yPrecision, nsecs_t downTime) { |
| 3579 | PointerCoords pointerCoords[MAX_POINTERS]; |
| 3580 | PointerProperties pointerProperties[MAX_POINTERS]; |
| 3581 | uint32_t pointerCount = 0; |
| 3582 | while (!idBits.isEmpty()) { |
| 3583 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 3584 | uint32_t index = idToIndex[id]; |
| 3585 | pointerProperties[pointerCount].copyFrom(properties[index]); |
| 3586 | pointerCoords[pointerCount].copyFrom(coords[index]); |
| 3587 | |
| 3588 | if (changedId >= 0 && id == uint32_t(changedId)) { |
| 3589 | action |= pointerCount << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT; |
| 3590 | } |
| 3591 | |
| 3592 | pointerCount += 1; |
| 3593 | } |
| 3594 | |
| 3595 | ALOG_ASSERT(pointerCount != 0); |
| 3596 | |
| 3597 | if (changedId >= 0 && pointerCount == 1) { |
| 3598 | // Replace initial down and final up action. |
| 3599 | // We can compare the action without masking off the changed pointer index |
| 3600 | // because we know the index is 0. |
| 3601 | if (action == AMOTION_EVENT_ACTION_POINTER_DOWN) { |
| 3602 | action = AMOTION_EVENT_ACTION_DOWN; |
| 3603 | } else if (action == AMOTION_EVENT_ACTION_POINTER_UP) { |
| 3604 | action = AMOTION_EVENT_ACTION_UP; |
| 3605 | } else { |
| 3606 | // Can't happen. |
| 3607 | ALOG_ASSERT(false); |
| 3608 | } |
| 3609 | } |
| 3610 | const int32_t displayId = getAssociatedDisplay().value_or(ADISPLAY_ID_NONE); |
| 3611 | const int32_t deviceId = getDeviceId(); |
| 3612 | std::vector<TouchVideoFrame> frames = mDevice->getEventHub()->getVideoFrames(deviceId); |
| 3613 | std::for_each(frames.begin(), frames.end(), |
| 3614 | [this](TouchVideoFrame& frame) { frame.rotate(this->mSurfaceOrientation); }); |
| 3615 | NotifyMotionArgs args(mContext->getNextSequenceNum(), when, deviceId, source, displayId, |
| 3616 | policyFlags, action, actionButton, flags, metaState, buttonState, |
| 3617 | MotionClassification::NONE, edgeFlags, deviceTimestamp, pointerCount, |
| 3618 | pointerProperties, pointerCoords, xPrecision, yPrecision, downTime, |
| 3619 | std::move(frames)); |
| 3620 | getListener()->notifyMotion(&args); |
| 3621 | } |
| 3622 | |
| 3623 | bool TouchInputMapper::updateMovedPointers(const PointerProperties* inProperties, |
| 3624 | const PointerCoords* inCoords, |
| 3625 | const uint32_t* inIdToIndex, |
| 3626 | PointerProperties* outProperties, |
| 3627 | PointerCoords* outCoords, const uint32_t* outIdToIndex, |
| 3628 | BitSet32 idBits) const { |
| 3629 | bool changed = false; |
| 3630 | while (!idBits.isEmpty()) { |
| 3631 | uint32_t id = idBits.clearFirstMarkedBit(); |
| 3632 | uint32_t inIndex = inIdToIndex[id]; |
| 3633 | uint32_t outIndex = outIdToIndex[id]; |
| 3634 | |
| 3635 | const PointerProperties& curInProperties = inProperties[inIndex]; |
| 3636 | const PointerCoords& curInCoords = inCoords[inIndex]; |
| 3637 | PointerProperties& curOutProperties = outProperties[outIndex]; |
| 3638 | PointerCoords& curOutCoords = outCoords[outIndex]; |
| 3639 | |
| 3640 | if (curInProperties != curOutProperties) { |
| 3641 | curOutProperties.copyFrom(curInProperties); |
| 3642 | changed = true; |
| 3643 | } |
| 3644 | |
| 3645 | if (curInCoords != curOutCoords) { |
| 3646 | curOutCoords.copyFrom(curInCoords); |
| 3647 | changed = true; |
| 3648 | } |
| 3649 | } |
| 3650 | return changed; |
| 3651 | } |
| 3652 | |
| 3653 | void TouchInputMapper::fadePointer() { |
| 3654 | if (mPointerController != nullptr) { |
| 3655 | mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL); |
| 3656 | } |
| 3657 | } |
| 3658 | |
| 3659 | void TouchInputMapper::cancelTouch(nsecs_t when) { |
| 3660 | abortPointerUsage(when, 0 /*policyFlags*/); |
| 3661 | abortTouches(when, 0 /* policyFlags*/); |
| 3662 | } |
| 3663 | |
| 3664 | bool TouchInputMapper::isPointInsideSurface(int32_t x, int32_t y) { |
| 3665 | const float scaledX = x * mXScale; |
| 3666 | const float scaledY = y * mYScale; |
| 3667 | return x >= mRawPointerAxes.x.minValue && x <= mRawPointerAxes.x.maxValue && |
| 3668 | scaledX >= mPhysicalLeft && scaledX <= mPhysicalLeft + mPhysicalWidth && |
| 3669 | y >= mRawPointerAxes.y.minValue && y <= mRawPointerAxes.y.maxValue && |
| 3670 | scaledY >= mPhysicalTop && scaledY <= mPhysicalTop + mPhysicalHeight; |
| 3671 | } |
| 3672 | |
| 3673 | const TouchInputMapper::VirtualKey* TouchInputMapper::findVirtualKeyHit(int32_t x, int32_t y) { |
| 3674 | for (const VirtualKey& virtualKey : mVirtualKeys) { |
| 3675 | #if DEBUG_VIRTUAL_KEYS |
| 3676 | ALOGD("VirtualKeys: Hit test (%d, %d): keyCode=%d, scanCode=%d, " |
| 3677 | "left=%d, top=%d, right=%d, bottom=%d", |
| 3678 | x, y, virtualKey.keyCode, virtualKey.scanCode, virtualKey.hitLeft, virtualKey.hitTop, |
| 3679 | virtualKey.hitRight, virtualKey.hitBottom); |
| 3680 | #endif |
| 3681 | |
| 3682 | if (virtualKey.isHit(x, y)) { |
| 3683 | return &virtualKey; |
| 3684 | } |
| 3685 | } |
| 3686 | |
| 3687 | return nullptr; |
| 3688 | } |
| 3689 | |
| 3690 | void TouchInputMapper::assignPointerIds(const RawState* last, RawState* current) { |
| 3691 | uint32_t currentPointerCount = current->rawPointerData.pointerCount; |
| 3692 | uint32_t lastPointerCount = last->rawPointerData.pointerCount; |
| 3693 | |
| 3694 | current->rawPointerData.clearIdBits(); |
| 3695 | |
| 3696 | if (currentPointerCount == 0) { |
| 3697 | // No pointers to assign. |
| 3698 | return; |
| 3699 | } |
| 3700 | |
| 3701 | if (lastPointerCount == 0) { |
| 3702 | // All pointers are new. |
| 3703 | for (uint32_t i = 0; i < currentPointerCount; i++) { |
| 3704 | uint32_t id = i; |
| 3705 | current->rawPointerData.pointers[i].id = id; |
| 3706 | current->rawPointerData.idToIndex[id] = i; |
| 3707 | current->rawPointerData.markIdBit(id, current->rawPointerData.isHovering(i)); |
| 3708 | } |
| 3709 | return; |
| 3710 | } |
| 3711 | |
| 3712 | if (currentPointerCount == 1 && lastPointerCount == 1 && |
| 3713 | current->rawPointerData.pointers[0].toolType == last->rawPointerData.pointers[0].toolType) { |
| 3714 | // Only one pointer and no change in count so it must have the same id as before. |
| 3715 | uint32_t id = last->rawPointerData.pointers[0].id; |
| 3716 | current->rawPointerData.pointers[0].id = id; |
| 3717 | current->rawPointerData.idToIndex[id] = 0; |
| 3718 | current->rawPointerData.markIdBit(id, current->rawPointerData.isHovering(0)); |
| 3719 | return; |
| 3720 | } |
| 3721 | |
| 3722 | // General case. |
| 3723 | // We build a heap of squared euclidean distances between current and last pointers |
| 3724 | // associated with the current and last pointer indices. Then, we find the best |
| 3725 | // match (by distance) for each current pointer. |
| 3726 | // The pointers must have the same tool type but it is possible for them to |
| 3727 | // transition from hovering to touching or vice-versa while retaining the same id. |
| 3728 | PointerDistanceHeapElement heap[MAX_POINTERS * MAX_POINTERS]; |
| 3729 | |
| 3730 | uint32_t heapSize = 0; |
| 3731 | for (uint32_t currentPointerIndex = 0; currentPointerIndex < currentPointerCount; |
| 3732 | currentPointerIndex++) { |
| 3733 | for (uint32_t lastPointerIndex = 0; lastPointerIndex < lastPointerCount; |
| 3734 | lastPointerIndex++) { |
| 3735 | const RawPointerData::Pointer& currentPointer = |
| 3736 | current->rawPointerData.pointers[currentPointerIndex]; |
| 3737 | const RawPointerData::Pointer& lastPointer = |
| 3738 | last->rawPointerData.pointers[lastPointerIndex]; |
| 3739 | if (currentPointer.toolType == lastPointer.toolType) { |
| 3740 | int64_t deltaX = currentPointer.x - lastPointer.x; |
| 3741 | int64_t deltaY = currentPointer.y - lastPointer.y; |
| 3742 | |
| 3743 | uint64_t distance = uint64_t(deltaX * deltaX + deltaY * deltaY); |
| 3744 | |
| 3745 | // Insert new element into the heap (sift up). |
| 3746 | heap[heapSize].currentPointerIndex = currentPointerIndex; |
| 3747 | heap[heapSize].lastPointerIndex = lastPointerIndex; |
| 3748 | heap[heapSize].distance = distance; |
| 3749 | heapSize += 1; |
| 3750 | } |
| 3751 | } |
| 3752 | } |
| 3753 | |
| 3754 | // Heapify |
| 3755 | for (uint32_t startIndex = heapSize / 2; startIndex != 0;) { |
| 3756 | startIndex -= 1; |
| 3757 | for (uint32_t parentIndex = startIndex;;) { |
| 3758 | uint32_t childIndex = parentIndex * 2 + 1; |
| 3759 | if (childIndex >= heapSize) { |
| 3760 | break; |
| 3761 | } |
| 3762 | |
| 3763 | if (childIndex + 1 < heapSize && |
| 3764 | heap[childIndex + 1].distance < heap[childIndex].distance) { |
| 3765 | childIndex += 1; |
| 3766 | } |
| 3767 | |
| 3768 | if (heap[parentIndex].distance <= heap[childIndex].distance) { |
| 3769 | break; |
| 3770 | } |
| 3771 | |
| 3772 | swap(heap[parentIndex], heap[childIndex]); |
| 3773 | parentIndex = childIndex; |
| 3774 | } |
| 3775 | } |
| 3776 | |
| 3777 | #if DEBUG_POINTER_ASSIGNMENT |
| 3778 | ALOGD("assignPointerIds - initial distance min-heap: size=%d", heapSize); |
| 3779 | for (size_t i = 0; i < heapSize; i++) { |
| 3780 | ALOGD(" heap[%zu]: cur=%" PRIu32 ", last=%" PRIu32 ", distance=%" PRIu64, i, |
| 3781 | heap[i].currentPointerIndex, heap[i].lastPointerIndex, heap[i].distance); |
| 3782 | } |
| 3783 | #endif |
| 3784 | |
| 3785 | // Pull matches out by increasing order of distance. |
| 3786 | // To avoid reassigning pointers that have already been matched, the loop keeps track |
| 3787 | // of which last and current pointers have been matched using the matchedXXXBits variables. |
| 3788 | // It also tracks the used pointer id bits. |
| 3789 | BitSet32 matchedLastBits(0); |
| 3790 | BitSet32 matchedCurrentBits(0); |
| 3791 | BitSet32 usedIdBits(0); |
| 3792 | bool first = true; |
| 3793 | for (uint32_t i = min(currentPointerCount, lastPointerCount); heapSize > 0 && i > 0; i--) { |
| 3794 | while (heapSize > 0) { |
| 3795 | if (first) { |
| 3796 | // The first time through the loop, we just consume the root element of |
| 3797 | // the heap (the one with smallest distance). |
| 3798 | first = false; |
| 3799 | } else { |
| 3800 | // Previous iterations consumed the root element of the heap. |
| 3801 | // Pop root element off of the heap (sift down). |
| 3802 | heap[0] = heap[heapSize]; |
| 3803 | for (uint32_t parentIndex = 0;;) { |
| 3804 | uint32_t childIndex = parentIndex * 2 + 1; |
| 3805 | if (childIndex >= heapSize) { |
| 3806 | break; |
| 3807 | } |
| 3808 | |
| 3809 | if (childIndex + 1 < heapSize && |
| 3810 | heap[childIndex + 1].distance < heap[childIndex].distance) { |
| 3811 | childIndex += 1; |
| 3812 | } |
| 3813 | |
| 3814 | if (heap[parentIndex].distance <= heap[childIndex].distance) { |
| 3815 | break; |
| 3816 | } |
| 3817 | |
| 3818 | swap(heap[parentIndex], heap[childIndex]); |
| 3819 | parentIndex = childIndex; |
| 3820 | } |
| 3821 | |
| 3822 | #if DEBUG_POINTER_ASSIGNMENT |
| 3823 | ALOGD("assignPointerIds - reduced distance min-heap: size=%d", heapSize); |
| 3824 | for (size_t i = 0; i < heapSize; i++) { |
| 3825 | ALOGD(" heap[%zu]: cur=%" PRIu32 ", last=%" PRIu32 ", distance=%" PRIu64, i, |
| 3826 | heap[i].currentPointerIndex, heap[i].lastPointerIndex, heap[i].distance); |
| 3827 | } |
| 3828 | #endif |
| 3829 | } |
| 3830 | |
| 3831 | heapSize -= 1; |
| 3832 | |
| 3833 | uint32_t currentPointerIndex = heap[0].currentPointerIndex; |
| 3834 | if (matchedCurrentBits.hasBit(currentPointerIndex)) continue; // already matched |
| 3835 | |
| 3836 | uint32_t lastPointerIndex = heap[0].lastPointerIndex; |
| 3837 | if (matchedLastBits.hasBit(lastPointerIndex)) continue; // already matched |
| 3838 | |
| 3839 | matchedCurrentBits.markBit(currentPointerIndex); |
| 3840 | matchedLastBits.markBit(lastPointerIndex); |
| 3841 | |
| 3842 | uint32_t id = last->rawPointerData.pointers[lastPointerIndex].id; |
| 3843 | current->rawPointerData.pointers[currentPointerIndex].id = id; |
| 3844 | current->rawPointerData.idToIndex[id] = currentPointerIndex; |
| 3845 | current->rawPointerData.markIdBit(id, |
| 3846 | current->rawPointerData.isHovering( |
| 3847 | currentPointerIndex)); |
| 3848 | usedIdBits.markBit(id); |
| 3849 | |
| 3850 | #if DEBUG_POINTER_ASSIGNMENT |
| 3851 | ALOGD("assignPointerIds - matched: cur=%" PRIu32 ", last=%" PRIu32 ", id=%" PRIu32 |
| 3852 | ", distance=%" PRIu64, |
| 3853 | lastPointerIndex, currentPointerIndex, id, heap[0].distance); |
| 3854 | #endif |
| 3855 | break; |
| 3856 | } |
| 3857 | } |
| 3858 | |
| 3859 | // Assign fresh ids to pointers that were not matched in the process. |
| 3860 | for (uint32_t i = currentPointerCount - matchedCurrentBits.count(); i != 0; i--) { |
| 3861 | uint32_t currentPointerIndex = matchedCurrentBits.markFirstUnmarkedBit(); |
| 3862 | uint32_t id = usedIdBits.markFirstUnmarkedBit(); |
| 3863 | |
| 3864 | current->rawPointerData.pointers[currentPointerIndex].id = id; |
| 3865 | current->rawPointerData.idToIndex[id] = currentPointerIndex; |
| 3866 | current->rawPointerData.markIdBit(id, |
| 3867 | current->rawPointerData.isHovering(currentPointerIndex)); |
| 3868 | |
| 3869 | #if DEBUG_POINTER_ASSIGNMENT |
| 3870 | ALOGD("assignPointerIds - assigned: cur=%" PRIu32 ", id=%" PRIu32, currentPointerIndex, id); |
| 3871 | #endif |
| 3872 | } |
| 3873 | } |
| 3874 | |
| 3875 | int32_t TouchInputMapper::getKeyCodeState(uint32_t sourceMask, int32_t keyCode) { |
| 3876 | if (mCurrentVirtualKey.down && mCurrentVirtualKey.keyCode == keyCode) { |
| 3877 | return AKEY_STATE_VIRTUAL; |
| 3878 | } |
| 3879 | |
| 3880 | for (const VirtualKey& virtualKey : mVirtualKeys) { |
| 3881 | if (virtualKey.keyCode == keyCode) { |
| 3882 | return AKEY_STATE_UP; |
| 3883 | } |
| 3884 | } |
| 3885 | |
| 3886 | return AKEY_STATE_UNKNOWN; |
| 3887 | } |
| 3888 | |
| 3889 | int32_t TouchInputMapper::getScanCodeState(uint32_t sourceMask, int32_t scanCode) { |
| 3890 | if (mCurrentVirtualKey.down && mCurrentVirtualKey.scanCode == scanCode) { |
| 3891 | return AKEY_STATE_VIRTUAL; |
| 3892 | } |
| 3893 | |
| 3894 | for (const VirtualKey& virtualKey : mVirtualKeys) { |
| 3895 | if (virtualKey.scanCode == scanCode) { |
| 3896 | return AKEY_STATE_UP; |
| 3897 | } |
| 3898 | } |
| 3899 | |
| 3900 | return AKEY_STATE_UNKNOWN; |
| 3901 | } |
| 3902 | |
| 3903 | bool TouchInputMapper::markSupportedKeyCodes(uint32_t sourceMask, size_t numCodes, |
| 3904 | const int32_t* keyCodes, uint8_t* outFlags) { |
| 3905 | for (const VirtualKey& virtualKey : mVirtualKeys) { |
| 3906 | for (size_t i = 0; i < numCodes; i++) { |
| 3907 | if (virtualKey.keyCode == keyCodes[i]) { |
| 3908 | outFlags[i] = 1; |
| 3909 | } |
| 3910 | } |
| 3911 | } |
| 3912 | |
| 3913 | return true; |
| 3914 | } |
| 3915 | |
| 3916 | std::optional<int32_t> TouchInputMapper::getAssociatedDisplay() { |
| 3917 | if (mParameters.hasAssociatedDisplay) { |
| 3918 | if (mDeviceMode == DEVICE_MODE_POINTER) { |
| 3919 | return std::make_optional(mPointerController->getDisplayId()); |
| 3920 | } else { |
| 3921 | return std::make_optional(mViewport.displayId); |
| 3922 | } |
| 3923 | } |
| 3924 | return std::nullopt; |
| 3925 | } |
| 3926 | |
| 3927 | } // namespace android |