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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ui/events/x/device_data_manager.h" | |
| 6 | |
| 7 #include <X11/extensions/XInput.h> | |
| 8 #include <X11/extensions/XInput2.h> | |
| 9 #include <X11/Xlib.h> | |
| 10 | |
| 11 #include "base/logging.h" | |
| 12 #include "base/memory/singleton.h" | |
| 13 #include "base/sys_info.h" | |
| 14 #include "ui/events/event_constants.h" | |
| 15 #include "ui/events/event_switches.h" | |
| 16 #include "ui/events/x/device_list_cache_x.h" | |
| 17 #include "ui/events/x/touch_factory_x11.h" | |
| 18 #include "ui/gfx/display.h" | |
| 19 #include "ui/gfx/point3_f.h" | |
| 20 #include "ui/gfx/x/x11_types.h" | |
| 21 | |
| 22 // XIScrollClass was introduced in XI 2.1 so we need to define it here | |
| 23 // for backward-compatibility with older versions of XInput. | |
| 24 #if !defined(XIScrollClass) | |
| 25 #define XIScrollClass 3 | |
| 26 #endif | |
| 27 | |
| 28 // Multi-touch support was introduced in XI 2.2. Add XI event types here | |
| 29 // for backward-compatibility with older versions of XInput. | |
| 30 #if !defined(XI_TouchBegin) | |
| 31 #define XI_TouchBegin 18 | |
| 32 #define XI_TouchUpdate 19 | |
| 33 #define XI_TouchEnd 20 | |
| 34 #endif | |
| 35 | |
| 36 // Copied from xserver-properties.h | |
| 37 #define AXIS_LABEL_PROP_REL_HWHEEL "Rel Horiz Wheel" | |
| 38 #define AXIS_LABEL_PROP_REL_WHEEL "Rel Vert Wheel" | |
| 39 | |
| 40 // CMT specific timings | |
| 41 #define AXIS_LABEL_PROP_ABS_DBL_START_TIME "Abs Dbl Start Timestamp" | |
| 42 #define AXIS_LABEL_PROP_ABS_DBL_END_TIME "Abs Dbl End Timestamp" | |
| 43 | |
| 44 // Ordinal values | |
| 45 #define AXIS_LABEL_PROP_ABS_DBL_ORDINAL_X "Abs Dbl Ordinal X" | |
| 46 #define AXIS_LABEL_PROP_ABS_DBL_ORDINAL_Y "Abs Dbl Ordinal Y" | |
| 47 | |
| 48 // Fling properties | |
| 49 #define AXIS_LABEL_PROP_ABS_DBL_FLING_VX "Abs Dbl Fling X Velocity" | |
| 50 #define AXIS_LABEL_PROP_ABS_DBL_FLING_VY "Abs Dbl Fling Y Velocity" | |
| 51 #define AXIS_LABEL_PROP_ABS_FLING_STATE "Abs Fling State" | |
| 52 | |
| 53 #define AXIS_LABEL_PROP_ABS_FINGER_COUNT "Abs Finger Count" | |
| 54 | |
| 55 // Cros metrics gesture from touchpad | |
| 56 #define AXIS_LABEL_PROP_ABS_METRICS_TYPE "Abs Metrics Type" | |
| 57 #define AXIS_LABEL_PROP_ABS_DBL_METRICS_DATA1 "Abs Dbl Metrics Data 1" | |
| 58 #define AXIS_LABEL_PROP_ABS_DBL_METRICS_DATA2 "Abs Dbl Metrics Data 2" | |
| 59 | |
| 60 // Touchscreen multi-touch | |
| 61 #define AXIS_LABEL_ABS_MT_TOUCH_MAJOR "Abs MT Touch Major" | |
| 62 #define AXIS_LABEL_ABS_MT_TOUCH_MINOR "Abs MT Touch Minor" | |
| 63 #define AXIS_LABEL_ABS_MT_ORIENTATION "Abs MT Orientation" | |
| 64 #define AXIS_LABEL_ABS_MT_PRESSURE "Abs MT Pressure" | |
| 65 #define AXIS_LABEL_ABS_MT_TRACKING_ID "Abs MT Tracking ID" | |
| 66 #define AXIS_LABEL_TOUCH_TIMESTAMP "Touch Timestamp" | |
| 67 | |
| 68 // When you add new data types, please make sure the order here is aligned | |
| 69 // with the order in the DataType enum in the header file because we assume | |
| 70 // they are in sync when updating the device list (see UpdateDeviceList). | |
| 71 const char* kCachedAtoms[] = { | |
| 72 AXIS_LABEL_PROP_REL_HWHEEL, | |
| 73 AXIS_LABEL_PROP_REL_WHEEL, | |
| 74 AXIS_LABEL_PROP_ABS_DBL_ORDINAL_X, | |
| 75 AXIS_LABEL_PROP_ABS_DBL_ORDINAL_Y, | |
| 76 AXIS_LABEL_PROP_ABS_DBL_START_TIME, | |
| 77 AXIS_LABEL_PROP_ABS_DBL_END_TIME, | |
| 78 AXIS_LABEL_PROP_ABS_DBL_FLING_VX, | |
| 79 AXIS_LABEL_PROP_ABS_DBL_FLING_VY, | |
| 80 AXIS_LABEL_PROP_ABS_FLING_STATE, | |
| 81 AXIS_LABEL_PROP_ABS_METRICS_TYPE, | |
| 82 AXIS_LABEL_PROP_ABS_DBL_METRICS_DATA1, | |
| 83 AXIS_LABEL_PROP_ABS_DBL_METRICS_DATA2, | |
| 84 AXIS_LABEL_PROP_ABS_FINGER_COUNT, | |
| 85 AXIS_LABEL_ABS_MT_TOUCH_MAJOR, | |
| 86 AXIS_LABEL_ABS_MT_TOUCH_MINOR, | |
| 87 AXIS_LABEL_ABS_MT_ORIENTATION, | |
| 88 AXIS_LABEL_ABS_MT_PRESSURE, | |
| 89 AXIS_LABEL_ABS_MT_TRACKING_ID, | |
| 90 AXIS_LABEL_TOUCH_TIMESTAMP, | |
| 91 | |
| 92 NULL | |
| 93 }; | |
| 94 | |
| 95 // Constants for checking if a data type lies in the range of CMT/Touch data | |
| 96 // types. | |
| 97 const int kCMTDataTypeStart = ui::DeviceDataManager::DT_CMT_SCROLL_X; | |
| 98 const int kCMTDataTypeEnd = ui::DeviceDataManager::DT_CMT_FINGER_COUNT; | |
| 99 const int kTouchDataTypeStart = ui::DeviceDataManager::DT_TOUCH_MAJOR; | |
| 100 const int kTouchDataTypeEnd = ui::DeviceDataManager::DT_TOUCH_RAW_TIMESTAMP; | |
| 101 | |
| 102 namespace ui { | |
| 103 | |
| 104 bool DeviceDataManager::IsCMTDataType(const int type) { | |
| 105 return (type >= kCMTDataTypeStart) && (type <= kCMTDataTypeEnd); | |
| 106 } | |
| 107 | |
| 108 bool DeviceDataManager::IsTouchDataType(const int type) { | |
| 109 return (type >= kTouchDataTypeStart) && (type <= kTouchDataTypeEnd); | |
| 110 } | |
| 111 | |
| 112 DeviceDataManager* DeviceDataManager::GetInstance() { | |
| 113 return Singleton<DeviceDataManager>::get(); | |
| 114 } | |
| 115 | |
| 116 DeviceDataManager::DeviceDataManager() | |
| 117 : xi_opcode_(-1), | |
| 118 atom_cache_(gfx::GetXDisplay(), kCachedAtoms), | |
| 119 button_map_count_(0) { | |
| 120 CHECK(gfx::GetXDisplay()); | |
| 121 InitializeXInputInternal(); | |
| 122 | |
| 123 // Make sure the sizes of enum and kCachedAtoms are aligned. | |
| 124 CHECK(arraysize(kCachedAtoms) == static_cast<size_t>(DT_LAST_ENTRY) + 1); | |
| 125 UpdateDeviceList(gfx::GetXDisplay()); | |
| 126 UpdateButtonMap(); | |
| 127 for (int i = 0; i < kMaxDeviceNum; i++) | |
| 128 touch_device_to_display_map_[i] = gfx::Display::kInvalidDisplayID; | |
| 129 } | |
| 130 | |
| 131 DeviceDataManager::~DeviceDataManager() { | |
| 132 } | |
| 133 | |
| 134 bool DeviceDataManager::InitializeXInputInternal() { | |
| 135 // Check if XInput is available on the system. | |
| 136 xi_opcode_ = -1; | |
| 137 int opcode, event, error; | |
| 138 if (!XQueryExtension( | |
| 139 gfx::GetXDisplay(), "XInputExtension", &opcode, &event, &error)) { | |
| 140 VLOG(1) << "X Input extension not available: error=" << error; | |
| 141 return false; | |
| 142 } | |
| 143 | |
| 144 // Check the XInput version. | |
| 145 #if defined(USE_XI2_MT) | |
| 146 int major = 2, minor = USE_XI2_MT; | |
| 147 #else | |
| 148 int major = 2, minor = 0; | |
| 149 #endif | |
| 150 if (XIQueryVersion(gfx::GetXDisplay(), &major, &minor) == BadRequest) { | |
| 151 VLOG(1) << "XInput2 not supported in the server."; | |
| 152 return false; | |
| 153 } | |
| 154 #if defined(USE_XI2_MT) | |
| 155 if (major < 2 || (major == 2 && minor < USE_XI2_MT)) { | |
| 156 DVLOG(1) << "XI version on server is " << major << "." << minor << ". " | |
| 157 << "But 2." << USE_XI2_MT << " is required."; | |
| 158 return false; | |
| 159 } | |
| 160 #endif | |
| 161 | |
| 162 xi_opcode_ = opcode; | |
| 163 CHECK_NE(-1, xi_opcode_); | |
| 164 | |
| 165 // Possible XI event types for XIDeviceEvent. See the XI2 protocol | |
| 166 // specification. | |
| 167 xi_device_event_types_[XI_KeyPress] = true; | |
| 168 xi_device_event_types_[XI_KeyRelease] = true; | |
| 169 xi_device_event_types_[XI_ButtonPress] = true; | |
| 170 xi_device_event_types_[XI_ButtonRelease] = true; | |
| 171 xi_device_event_types_[XI_Motion] = true; | |
| 172 // Multi-touch support was introduced in XI 2.2. | |
| 173 if (minor >= 2) { | |
| 174 xi_device_event_types_[XI_TouchBegin] = true; | |
| 175 xi_device_event_types_[XI_TouchUpdate] = true; | |
| 176 xi_device_event_types_[XI_TouchEnd] = true; | |
| 177 } | |
| 178 return true; | |
| 179 } | |
| 180 | |
| 181 bool DeviceDataManager::IsXInput2Available() const { | |
| 182 return xi_opcode_ != -1; | |
| 183 } | |
| 184 | |
| 185 void DeviceDataManager::UpdateDeviceList(Display* display) { | |
| 186 cmt_devices_.reset(); | |
| 187 touchpads_.reset(); | |
| 188 for (int i = 0; i < kMaxDeviceNum; ++i) { | |
| 189 valuator_count_[i] = 0; | |
| 190 valuator_lookup_[i].clear(); | |
| 191 data_type_lookup_[i].clear(); | |
| 192 valuator_min_[i].clear(); | |
| 193 valuator_max_[i].clear(); | |
| 194 for (int j = 0; j < kMaxSlotNum; j++) | |
| 195 last_seen_valuator_[i][j].clear(); | |
| 196 } | |
| 197 | |
| 198 // Find all the touchpad devices. | |
| 199 XDeviceList dev_list = | |
| 200 ui::DeviceListCacheX::GetInstance()->GetXDeviceList(display); | |
| 201 Atom xi_touchpad = XInternAtom(display, XI_TOUCHPAD, false); | |
| 202 for (int i = 0; i < dev_list.count; ++i) | |
| 203 if (dev_list[i].type == xi_touchpad) | |
| 204 touchpads_[dev_list[i].id] = true; | |
| 205 | |
| 206 if (!IsXInput2Available()) | |
| 207 return; | |
| 208 | |
| 209 // Update the structs with new valuator information | |
| 210 XIDeviceList info_list = | |
| 211 ui::DeviceListCacheX::GetInstance()->GetXI2DeviceList(display); | |
| 212 Atom atoms[DT_LAST_ENTRY]; | |
| 213 for (int data_type = 0; data_type < DT_LAST_ENTRY; ++data_type) | |
| 214 atoms[data_type] = atom_cache_.GetAtom(kCachedAtoms[data_type]); | |
| 215 | |
| 216 for (int i = 0; i < info_list.count; ++i) { | |
| 217 XIDeviceInfo* info = info_list.devices + i; | |
| 218 | |
| 219 // We currently handle only slave, non-keyboard devices | |
| 220 if (info->use != XISlavePointer && info->use != XIFloatingSlave) | |
| 221 continue; | |
| 222 | |
| 223 bool possible_cmt = false; | |
| 224 bool not_cmt = false; | |
| 225 const int deviceid = info->deviceid; | |
| 226 | |
| 227 for (int j = 0; j < info->num_classes; ++j) { | |
| 228 if (info->classes[j]->type == XIValuatorClass) | |
| 229 ++valuator_count_[deviceid]; | |
| 230 else if (info->classes[j]->type == XIScrollClass) | |
| 231 not_cmt = true; | |
| 232 } | |
| 233 | |
| 234 // Skip devices that don't use any valuator | |
| 235 if (!valuator_count_[deviceid]) | |
| 236 continue; | |
| 237 | |
| 238 valuator_lookup_[deviceid].resize(DT_LAST_ENTRY, -1); | |
| 239 data_type_lookup_[deviceid].resize( | |
| 240 valuator_count_[deviceid], DT_LAST_ENTRY); | |
| 241 valuator_min_[deviceid].resize(DT_LAST_ENTRY, 0); | |
| 242 valuator_max_[deviceid].resize(DT_LAST_ENTRY, 0); | |
| 243 for (int j = 0; j < kMaxSlotNum; j++) | |
| 244 last_seen_valuator_[deviceid][j].resize(DT_LAST_ENTRY, 0); | |
| 245 for (int j = 0; j < info->num_classes; ++j) { | |
| 246 if (info->classes[j]->type != XIValuatorClass) | |
| 247 continue; | |
| 248 | |
| 249 XIValuatorClassInfo* v = | |
| 250 reinterpret_cast<XIValuatorClassInfo*>(info->classes[j]); | |
| 251 for (int data_type = 0; data_type < DT_LAST_ENTRY; ++data_type) { | |
| 252 if (v->label == atoms[data_type]) { | |
| 253 valuator_lookup_[deviceid][data_type] = v->number; | |
| 254 data_type_lookup_[deviceid][v->number] = data_type; | |
| 255 valuator_min_[deviceid][data_type] = v->min; | |
| 256 valuator_max_[deviceid][data_type] = v->max; | |
| 257 if (IsCMTDataType(data_type)) | |
| 258 possible_cmt = true; | |
| 259 break; | |
| 260 } | |
| 261 } | |
| 262 } | |
| 263 | |
| 264 if (possible_cmt && !not_cmt) | |
| 265 cmt_devices_[deviceid] = true; | |
| 266 } | |
| 267 } | |
| 268 | |
| 269 bool DeviceDataManager::GetSlotNumber(const XIDeviceEvent* xiev, int* slot) { | |
| 270 #if defined(USE_XI2_MT) | |
| 271 ui::TouchFactory* factory = ui::TouchFactory::GetInstance(); | |
| 272 if (!factory->IsMultiTouchDevice(xiev->sourceid)) { | |
| 273 *slot = 0; | |
| 274 return true; | |
| 275 } | |
| 276 return factory->QuerySlotForTrackingID(xiev->detail, slot); | |
| 277 #else | |
| 278 *slot = 0; | |
| 279 return true; | |
| 280 #endif | |
| 281 } | |
| 282 | |
| 283 void DeviceDataManager::GetEventRawData(const XEvent& xev, EventData* data) { | |
| 284 if (xev.type != GenericEvent) | |
| 285 return; | |
| 286 | |
| 287 XIDeviceEvent* xiev = static_cast<XIDeviceEvent*>(xev.xcookie.data); | |
| 288 if (xiev->sourceid >= kMaxDeviceNum || xiev->deviceid >= kMaxDeviceNum) | |
| 289 return; | |
| 290 data->clear(); | |
| 291 const int sourceid = xiev->sourceid; | |
| 292 double* valuators = xiev->valuators.values; | |
| 293 for (int i = 0; i <= valuator_count_[sourceid]; ++i) { | |
| 294 if (XIMaskIsSet(xiev->valuators.mask, i)) { | |
| 295 int type = data_type_lookup_[sourceid][i]; | |
| 296 if (type != DT_LAST_ENTRY) { | |
| 297 (*data)[type] = *valuators; | |
| 298 if (IsTouchDataType(type)) { | |
| 299 int slot = -1; | |
| 300 if (GetSlotNumber(xiev, &slot) && slot >= 0 && slot < kMaxSlotNum) | |
| 301 last_seen_valuator_[sourceid][slot][type] = *valuators; | |
| 302 } | |
| 303 } | |
| 304 valuators++; | |
| 305 } | |
| 306 } | |
| 307 } | |
| 308 | |
| 309 bool DeviceDataManager::GetEventData(const XEvent& xev, | |
| 310 const DataType type, double* value) { | |
| 311 if (xev.type != GenericEvent) | |
| 312 return false; | |
| 313 | |
| 314 XIDeviceEvent* xiev = static_cast<XIDeviceEvent*>(xev.xcookie.data); | |
| 315 if (xiev->sourceid >= kMaxDeviceNum || xiev->deviceid >= kMaxDeviceNum) | |
| 316 return false; | |
| 317 const int sourceid = xiev->sourceid; | |
| 318 if (valuator_lookup_[sourceid].empty()) | |
| 319 return false; | |
| 320 | |
| 321 if (type == DT_TOUCH_TRACKING_ID) { | |
| 322 // With XInput2 MT, Tracking ID is provided in the detail field for touch | |
| 323 // events. | |
| 324 if (xiev->evtype == XI_TouchBegin || | |
| 325 xiev->evtype == XI_TouchEnd || | |
| 326 xiev->evtype == XI_TouchUpdate) { | |
| 327 *value = xiev->detail; | |
| 328 } else { | |
| 329 *value = 0; | |
| 330 } | |
| 331 return true; | |
| 332 } | |
| 333 | |
| 334 int val_index = valuator_lookup_[sourceid][type]; | |
| 335 int slot = 0; | |
| 336 if (val_index >= 0) { | |
| 337 if (XIMaskIsSet(xiev->valuators.mask, val_index)) { | |
| 338 double* valuators = xiev->valuators.values; | |
| 339 while (val_index--) { | |
| 340 if (XIMaskIsSet(xiev->valuators.mask, val_index)) | |
| 341 ++valuators; | |
| 342 } | |
| 343 *value = *valuators; | |
| 344 if (IsTouchDataType(type)) { | |
| 345 if (GetSlotNumber(xiev, &slot) && slot >= 0 && slot < kMaxSlotNum) | |
| 346 last_seen_valuator_[sourceid][slot][type] = *value; | |
| 347 } | |
| 348 return true; | |
| 349 } else if (IsTouchDataType(type)) { | |
| 350 if (GetSlotNumber(xiev, &slot) && slot >= 0 && slot < kMaxSlotNum) | |
| 351 *value = last_seen_valuator_[sourceid][slot][type]; | |
| 352 } | |
| 353 } | |
| 354 | |
| 355 return false; | |
| 356 } | |
| 357 | |
| 358 bool DeviceDataManager::IsXIDeviceEvent( | |
| 359 const base::NativeEvent& native_event) const { | |
| 360 if (native_event->type != GenericEvent || | |
| 361 native_event->xcookie.extension != xi_opcode_) | |
| 362 return false; | |
| 363 return xi_device_event_types_[native_event->xcookie.evtype]; | |
| 364 } | |
| 365 | |
| 366 bool DeviceDataManager::IsTouchpadXInputEvent( | |
| 367 const base::NativeEvent& native_event) const { | |
| 368 if (native_event->type != GenericEvent) | |
| 369 return false; | |
| 370 | |
| 371 XIDeviceEvent* xievent = | |
| 372 static_cast<XIDeviceEvent*>(native_event->xcookie.data); | |
| 373 if (xievent->sourceid >= kMaxDeviceNum) | |
| 374 return false; | |
| 375 return touchpads_[xievent->sourceid]; | |
| 376 } | |
| 377 | |
| 378 bool DeviceDataManager::IsCMTDeviceEvent( | |
| 379 const base::NativeEvent& native_event) const { | |
| 380 if (native_event->type != GenericEvent) | |
| 381 return false; | |
| 382 | |
| 383 XIDeviceEvent* xievent = | |
| 384 static_cast<XIDeviceEvent*>(native_event->xcookie.data); | |
| 385 if (xievent->sourceid >= kMaxDeviceNum) | |
| 386 return false; | |
| 387 return cmt_devices_[xievent->sourceid]; | |
| 388 } | |
| 389 | |
| 390 bool DeviceDataManager::IsCMTGestureEvent( | |
| 391 const base::NativeEvent& native_event) const { | |
| 392 return (IsScrollEvent(native_event) || | |
| 393 IsFlingEvent(native_event) || | |
| 394 IsCMTMetricsEvent(native_event)); | |
| 395 } | |
| 396 | |
| 397 bool DeviceDataManager::HasEventData( | |
| 398 const XIDeviceEvent* xiev, const DataType type) const { | |
| 399 const int idx = valuator_lookup_[xiev->sourceid][type]; | |
| 400 return (idx >= 0) && XIMaskIsSet(xiev->valuators.mask, idx); | |
| 401 } | |
| 402 | |
| 403 bool DeviceDataManager::IsScrollEvent( | |
| 404 const base::NativeEvent& native_event) const { | |
| 405 if (!IsCMTDeviceEvent(native_event)) | |
| 406 return false; | |
| 407 | |
| 408 XIDeviceEvent* xiev = | |
| 409 static_cast<XIDeviceEvent*>(native_event->xcookie.data); | |
| 410 return (HasEventData(xiev, DT_CMT_SCROLL_X) || | |
| 411 HasEventData(xiev, DT_CMT_SCROLL_Y)); | |
| 412 } | |
| 413 | |
| 414 bool DeviceDataManager::IsFlingEvent( | |
| 415 const base::NativeEvent& native_event) const { | |
| 416 if (!IsCMTDeviceEvent(native_event)) | |
| 417 return false; | |
| 418 | |
| 419 XIDeviceEvent* xiev = | |
| 420 static_cast<XIDeviceEvent*>(native_event->xcookie.data); | |
| 421 return (HasEventData(xiev, DT_CMT_FLING_X) && | |
| 422 HasEventData(xiev, DT_CMT_FLING_Y) && | |
| 423 HasEventData(xiev, DT_CMT_FLING_STATE)); | |
| 424 } | |
| 425 | |
| 426 bool DeviceDataManager::IsCMTMetricsEvent( | |
| 427 const base::NativeEvent& native_event) const { | |
| 428 if (!IsCMTDeviceEvent(native_event)) | |
| 429 return false; | |
| 430 | |
| 431 XIDeviceEvent* xiev = | |
| 432 static_cast<XIDeviceEvent*>(native_event->xcookie.data); | |
| 433 return (HasEventData(xiev, DT_CMT_METRICS_TYPE) && | |
| 434 HasEventData(xiev, DT_CMT_METRICS_DATA1) && | |
| 435 HasEventData(xiev, DT_CMT_METRICS_DATA2)); | |
| 436 } | |
| 437 | |
| 438 bool DeviceDataManager::HasGestureTimes( | |
| 439 const base::NativeEvent& native_event) const { | |
| 440 if (!IsCMTDeviceEvent(native_event)) | |
| 441 return false; | |
| 442 | |
| 443 XIDeviceEvent* xiev = | |
| 444 static_cast<XIDeviceEvent*>(native_event->xcookie.data); | |
| 445 return (HasEventData(xiev, DT_CMT_START_TIME) && | |
| 446 HasEventData(xiev, DT_CMT_END_TIME)); | |
| 447 } | |
| 448 | |
| 449 void DeviceDataManager::GetScrollOffsets(const base::NativeEvent& native_event, | |
| 450 float* x_offset, float* y_offset, | |
| 451 float* x_offset_ordinal, | |
| 452 float* y_offset_ordinal, | |
| 453 int* finger_count) { | |
| 454 *x_offset = 0; | |
| 455 *y_offset = 0; | |
| 456 *x_offset_ordinal = 0; | |
| 457 *y_offset_ordinal = 0; | |
| 458 *finger_count = 2; | |
| 459 | |
| 460 EventData data; | |
| 461 GetEventRawData(*native_event, &data); | |
| 462 | |
| 463 if (data.find(DT_CMT_SCROLL_X) != data.end()) | |
| 464 *x_offset = data[DT_CMT_SCROLL_X]; | |
| 465 if (data.find(DT_CMT_SCROLL_Y) != data.end()) | |
| 466 *y_offset = data[DT_CMT_SCROLL_Y]; | |
| 467 if (data.find(DT_CMT_ORDINAL_X) != data.end()) | |
| 468 *x_offset_ordinal = data[DT_CMT_ORDINAL_X]; | |
| 469 if (data.find(DT_CMT_ORDINAL_Y) != data.end()) | |
| 470 *y_offset_ordinal = data[DT_CMT_ORDINAL_Y]; | |
| 471 if (data.find(DT_CMT_FINGER_COUNT) != data.end()) | |
| 472 *finger_count = static_cast<int>(data[DT_CMT_FINGER_COUNT]); | |
| 473 } | |
| 474 | |
| 475 void DeviceDataManager::GetFlingData(const base::NativeEvent& native_event, | |
| 476 float* vx, float* vy, | |
| 477 float* vx_ordinal, float* vy_ordinal, | |
| 478 bool* is_cancel) { | |
| 479 *vx = 0; | |
| 480 *vy = 0; | |
| 481 *vx_ordinal = 0; | |
| 482 *vy_ordinal = 0; | |
| 483 *is_cancel = false; | |
| 484 | |
| 485 EventData data; | |
| 486 GetEventRawData(*native_event, &data); | |
| 487 | |
| 488 if (data.find(DT_CMT_FLING_X) != data.end()) | |
| 489 *vx = data[DT_CMT_FLING_X]; | |
| 490 if (data.find(DT_CMT_FLING_Y) != data.end()) | |
| 491 *vy = data[DT_CMT_FLING_Y]; | |
| 492 if (data.find(DT_CMT_FLING_STATE) != data.end()) | |
| 493 *is_cancel = !!static_cast<unsigned int>(data[DT_CMT_FLING_STATE]); | |
| 494 if (data.find(DT_CMT_ORDINAL_X) != data.end()) | |
| 495 *vx_ordinal = data[DT_CMT_ORDINAL_X]; | |
| 496 if (data.find(DT_CMT_ORDINAL_Y) != data.end()) | |
| 497 *vy_ordinal = data[DT_CMT_ORDINAL_Y]; | |
| 498 } | |
| 499 | |
| 500 void DeviceDataManager::GetMetricsData(const base::NativeEvent& native_event, | |
| 501 GestureMetricsType* type, | |
| 502 float* data1, float* data2) { | |
| 503 *type = kGestureMetricsTypeUnknown; | |
| 504 *data1 = 0; | |
| 505 *data2 = 0; | |
| 506 | |
| 507 EventData data; | |
| 508 GetEventRawData(*native_event, &data); | |
| 509 | |
| 510 if (data.find(DT_CMT_METRICS_TYPE) != data.end()) { | |
| 511 int val = static_cast<int>(data[DT_CMT_METRICS_TYPE]); | |
| 512 if (val == 0) | |
| 513 *type = kGestureMetricsTypeNoisyGround; | |
| 514 else | |
| 515 *type = kGestureMetricsTypeUnknown; | |
| 516 } | |
| 517 if (data.find(DT_CMT_METRICS_DATA1) != data.end()) | |
| 518 *data1 = data[DT_CMT_METRICS_DATA1]; | |
| 519 if (data.find(DT_CMT_METRICS_DATA2) != data.end()) | |
| 520 *data2 = data[DT_CMT_METRICS_DATA2]; | |
| 521 } | |
| 522 | |
| 523 int DeviceDataManager::GetMappedButton(int button) { | |
| 524 return button > 0 && button <= button_map_count_ ? button_map_[button - 1] : | |
| 525 button; | |
| 526 } | |
| 527 | |
| 528 void DeviceDataManager::UpdateButtonMap() { | |
| 529 button_map_count_ = XGetPointerMapping(gfx::GetXDisplay(), | |
| 530 button_map_, | |
| 531 arraysize(button_map_)); | |
| 532 } | |
| 533 | |
| 534 void DeviceDataManager::GetGestureTimes(const base::NativeEvent& native_event, | |
| 535 double* start_time, | |
| 536 double* end_time) { | |
| 537 *start_time = 0; | |
| 538 *end_time = 0; | |
| 539 | |
| 540 EventData data; | |
| 541 GetEventRawData(*native_event, &data); | |
| 542 | |
| 543 if (data.find(DT_CMT_START_TIME) != data.end()) | |
| 544 *start_time = data[DT_CMT_START_TIME]; | |
| 545 if (data.find(DT_CMT_END_TIME) != data.end()) | |
| 546 *end_time = data[DT_CMT_END_TIME]; | |
| 547 } | |
| 548 | |
| 549 bool DeviceDataManager::NormalizeData(unsigned int deviceid, | |
| 550 const DataType type, | |
| 551 double* value) { | |
| 552 double max_value; | |
| 553 double min_value; | |
| 554 if (GetDataRange(deviceid, type, &min_value, &max_value)) { | |
| 555 *value = (*value - min_value) / (max_value - min_value); | |
| 556 DCHECK(*value >= 0.0 && *value <= 1.0); | |
| 557 return true; | |
| 558 } | |
| 559 return false; | |
| 560 } | |
| 561 | |
| 562 bool DeviceDataManager::GetDataRange(unsigned int deviceid, | |
| 563 const DataType type, | |
| 564 double* min, double* max) { | |
| 565 if (deviceid >= static_cast<unsigned int>(kMaxDeviceNum)) | |
| 566 return false; | |
| 567 if (valuator_lookup_[deviceid][type] >= 0) { | |
| 568 *min = valuator_min_[deviceid][type]; | |
| 569 *max = valuator_max_[deviceid][type]; | |
| 570 return true; | |
| 571 } | |
| 572 return false; | |
| 573 } | |
| 574 | |
| 575 void DeviceDataManager::SetDeviceListForTest( | |
| 576 const std::vector<unsigned int>& touchscreen, | |
| 577 const std::vector<unsigned int>& cmt_devices) { | |
| 578 for (int i = 0; i < kMaxDeviceNum; ++i) { | |
| 579 valuator_count_[i] = 0; | |
| 580 valuator_lookup_[i].clear(); | |
| 581 data_type_lookup_[i].clear(); | |
| 582 valuator_min_[i].clear(); | |
| 583 valuator_max_[i].clear(); | |
| 584 for (int j = 0; j < kMaxSlotNum; j++) | |
| 585 last_seen_valuator_[i][j].clear(); | |
| 586 } | |
| 587 | |
| 588 for (size_t i = 0; i < touchscreen.size(); i++) { | |
| 589 unsigned int deviceid = touchscreen[i]; | |
| 590 InitializeValuatorsForTest(deviceid, kTouchDataTypeStart, kTouchDataTypeEnd, | |
| 591 0, 1000); | |
| 592 } | |
| 593 | |
| 594 cmt_devices_.reset(); | |
| 595 for (size_t i = 0; i < cmt_devices.size(); ++i) { | |
| 596 unsigned int deviceid = cmt_devices[i]; | |
| 597 cmt_devices_[deviceid] = true; | |
| 598 touchpads_[deviceid] = true; | |
| 599 InitializeValuatorsForTest(deviceid, kCMTDataTypeStart, kCMTDataTypeEnd, | |
| 600 -1000, 1000); | |
| 601 } | |
| 602 } | |
| 603 | |
| 604 void DeviceDataManager::SetValuatorDataForTest(XIDeviceEvent* xievent, | |
| 605 DataType type, | |
| 606 double value) { | |
| 607 int index = valuator_lookup_[xievent->deviceid][type]; | |
| 608 CHECK(!XIMaskIsSet(xievent->valuators.mask, index)); | |
| 609 CHECK(index >= 0 && index < valuator_count_[xievent->deviceid]); | |
| 610 XISetMask(xievent->valuators.mask, index); | |
| 611 | |
| 612 double* valuators = xievent->valuators.values; | |
| 613 for (int i = 0; i < index; ++i) { | |
| 614 if (XIMaskIsSet(xievent->valuators.mask, i)) | |
| 615 valuators++; | |
| 616 } | |
| 617 for (int i = DT_LAST_ENTRY - 1; i > valuators - xievent->valuators.values; | |
| 618 --i) | |
| 619 xievent->valuators.values[i] = xievent->valuators.values[i - 1]; | |
| 620 *valuators = value; | |
| 621 } | |
| 622 | |
| 623 void DeviceDataManager::InitializeValuatorsForTest(int deviceid, | |
| 624 int start_valuator, | |
| 625 int end_valuator, | |
| 626 double min_value, | |
| 627 double max_value) { | |
| 628 valuator_lookup_[deviceid].resize(DT_LAST_ENTRY, -1); | |
| 629 data_type_lookup_[deviceid].resize(DT_LAST_ENTRY, DT_LAST_ENTRY); | |
| 630 valuator_min_[deviceid].resize(DT_LAST_ENTRY, 0); | |
| 631 valuator_max_[deviceid].resize(DT_LAST_ENTRY, 0); | |
| 632 for (int j = 0; j < kMaxSlotNum; j++) | |
| 633 last_seen_valuator_[deviceid][j].resize(DT_LAST_ENTRY, 0); | |
| 634 for (int j = start_valuator; j <= end_valuator; ++j) { | |
| 635 valuator_lookup_[deviceid][j] = valuator_count_[deviceid]; | |
| 636 data_type_lookup_[deviceid][valuator_count_[deviceid]] = j; | |
| 637 valuator_min_[deviceid][j] = min_value; | |
| 638 valuator_max_[deviceid][j] = max_value; | |
| 639 valuator_count_[deviceid]++; | |
| 640 } | |
| 641 } | |
| 642 | |
| 643 bool DeviceDataManager::TouchEventNeedsCalibrate(int touch_device_id) const { | |
| 644 #if defined(OS_CHROMEOS) && defined(USE_XI2_MT) | |
| 645 int64 touch_display_id = GetDisplayForTouchDevice(touch_device_id); | |
| 646 if (base::SysInfo::IsRunningOnChromeOS() && | |
| 647 touch_display_id == gfx::Display::InternalDisplayId()) { | |
| 648 return true; | |
| 649 } | |
| 650 #endif // defined(OS_CHROMEOS) && defined(USE_XI2_MT) | |
| 651 return false; | |
| 652 } | |
| 653 | |
| 654 void DeviceDataManager::ClearTouchTransformerRecord() { | |
| 655 for (int i = 0; i < kMaxDeviceNum; i++) { | |
| 656 touch_device_transformer_map_[i] = gfx::Transform(); | |
| 657 touch_device_to_display_map_[i] = gfx::Display::kInvalidDisplayID; | |
| 658 } | |
| 659 } | |
| 660 | |
| 661 bool DeviceDataManager::IsTouchDeviceIdValid(int touch_device_id) const { | |
| 662 return (touch_device_id > 0 && touch_device_id < kMaxDeviceNum); | |
| 663 } | |
| 664 | |
| 665 void DeviceDataManager::UpdateTouchInfoForDisplay( | |
| 666 int64 display_id, | |
| 667 int touch_device_id, | |
| 668 const gfx::Transform& touch_transformer) { | |
| 669 if (IsTouchDeviceIdValid(touch_device_id)) { | |
| 670 touch_device_to_display_map_[touch_device_id] = display_id; | |
| 671 touch_device_transformer_map_[touch_device_id] = touch_transformer; | |
| 672 } | |
| 673 } | |
| 674 | |
| 675 void DeviceDataManager::ApplyTouchTransformer(int touch_device_id, | |
| 676 float* x, float* y) { | |
| 677 if (IsTouchDeviceIdValid(touch_device_id)) { | |
| 678 gfx::Point3F point(*x, *y, 0.0); | |
| 679 const gfx::Transform& trans = | |
| 680 touch_device_transformer_map_[touch_device_id]; | |
| 681 trans.TransformPoint(&point); | |
| 682 *x = point.x(); | |
| 683 *y = point.y(); | |
| 684 } | |
| 685 } | |
| 686 | |
| 687 int64 DeviceDataManager::GetDisplayForTouchDevice(int touch_device_id) const { | |
| 688 if (IsTouchDeviceIdValid(touch_device_id)) | |
| 689 return touch_device_to_display_map_[touch_device_id]; | |
| 690 return gfx::Display::kInvalidDisplayID; | |
| 691 } | |
| 692 | |
| 693 } // namespace ui | |
| OLD | NEW |
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Chromium Code Reviews
Issue 289283015:
Extract touchscreen device management into a generic manager (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src