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| 1 // Copyright 2014 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_x11.h" | |
| 6 | |
| 7 #include <X11/extensions/XInput.h> | |
| 8 #include <X11/extensions/XInput2.h> | |
| 9 #include <X11/Xlib.h> | |
| 10 | |
| 11 #include <utility> | |
| 12 | |
| 13 #include "base/logging.h" | |
| 14 #include "base/memory/singleton.h" | |
| 15 #include "base/sys_info.h" | |
| 16 #include "ui/events/event_constants.h" | |
| 17 #include "ui/events/event_switches.h" | |
| 18 #include "ui/events/keyboard_device.h" | |
| 19 #include "ui/events/keycodes/keyboard_code_conversion_x.h" | |
| 20 #include "ui/events/x/device_list_cache_x.h" | |
| 21 #include "ui/events/x/touch_factory_x11.h" | |
| 22 #include "ui/gfx/display.h" | |
| 23 #include "ui/gfx/point3_f.h" | |
| 24 #include "ui/gfx/x/x11_types.h" | |
| 25 | |
| 26 // XIScrollClass was introduced in XI 2.1 so we need to define it here | |
| 27 // for backward-compatibility with older versions of XInput. | |
| 28 #if !defined(XIScrollClass) | |
| 29 #define XIScrollClass 3 | |
| 30 #endif | |
| 31 | |
| 32 // Multi-touch support was introduced in XI 2.2. Add XI event types here | |
| 33 // for backward-compatibility with older versions of XInput. | |
| 34 #if !defined(XI_TouchBegin) | |
| 35 #define XI_TouchBegin 18 | |
| 36 #define XI_TouchUpdate 19 | |
| 37 #define XI_TouchEnd 20 | |
| 38 #endif | |
| 39 | |
| 40 // Copied from xserver-properties.h | |
| 41 #define AXIS_LABEL_PROP_REL_HWHEEL "Rel Horiz Wheel" | |
| 42 #define AXIS_LABEL_PROP_REL_WHEEL "Rel Vert Wheel" | |
| 43 | |
| 44 // CMT specific timings | |
| 45 #define AXIS_LABEL_PROP_ABS_DBL_START_TIME "Abs Dbl Start Timestamp" | |
| 46 #define AXIS_LABEL_PROP_ABS_DBL_END_TIME "Abs Dbl End Timestamp" | |
| 47 | |
| 48 // Ordinal values | |
| 49 #define AXIS_LABEL_PROP_ABS_DBL_ORDINAL_X "Abs Dbl Ordinal X" | |
| 50 #define AXIS_LABEL_PROP_ABS_DBL_ORDINAL_Y "Abs Dbl Ordinal Y" | |
| 51 | |
| 52 // Fling properties | |
| 53 #define AXIS_LABEL_PROP_ABS_DBL_FLING_VX "Abs Dbl Fling X Velocity" | |
| 54 #define AXIS_LABEL_PROP_ABS_DBL_FLING_VY "Abs Dbl Fling Y Velocity" | |
| 55 #define AXIS_LABEL_PROP_ABS_FLING_STATE "Abs Fling State" | |
| 56 | |
| 57 #define AXIS_LABEL_PROP_ABS_FINGER_COUNT "Abs Finger Count" | |
| 58 | |
| 59 // Cros metrics gesture from touchpad | |
| 60 #define AXIS_LABEL_PROP_ABS_METRICS_TYPE "Abs Metrics Type" | |
| 61 #define AXIS_LABEL_PROP_ABS_DBL_METRICS_DATA1 "Abs Dbl Metrics Data 1" | |
| 62 #define AXIS_LABEL_PROP_ABS_DBL_METRICS_DATA2 "Abs Dbl Metrics Data 2" | |
| 63 | |
| 64 // Touchscreen multi-touch | |
| 65 #define AXIS_LABEL_ABS_MT_TOUCH_MAJOR "Abs MT Touch Major" | |
| 66 #define AXIS_LABEL_ABS_MT_TOUCH_MINOR "Abs MT Touch Minor" | |
| 67 #define AXIS_LABEL_ABS_MT_ORIENTATION "Abs MT Orientation" | |
| 68 #define AXIS_LABEL_ABS_MT_PRESSURE "Abs MT Pressure" | |
| 69 #define AXIS_LABEL_ABS_MT_POSITION_X "Abs MT Position X" | |
| 70 #define AXIS_LABEL_ABS_MT_POSITION_Y "Abs MT Position Y" | |
| 71 #define AXIS_LABEL_ABS_MT_TRACKING_ID "Abs MT Tracking ID" | |
| 72 #define AXIS_LABEL_TOUCH_TIMESTAMP "Touch Timestamp" | |
| 73 | |
| 74 // When you add new data types, please make sure the order here is aligned | |
| 75 // with the order in the DataType enum in the header file because we assume | |
| 76 // they are in sync when updating the device list (see UpdateDeviceList). | |
| 77 const char* kCachedAtoms[] = { | |
| 78 AXIS_LABEL_PROP_REL_HWHEEL, | |
| 79 AXIS_LABEL_PROP_REL_WHEEL, | |
| 80 AXIS_LABEL_PROP_ABS_DBL_ORDINAL_X, | |
| 81 AXIS_LABEL_PROP_ABS_DBL_ORDINAL_Y, | |
| 82 AXIS_LABEL_PROP_ABS_DBL_START_TIME, | |
| 83 AXIS_LABEL_PROP_ABS_DBL_END_TIME, | |
| 84 AXIS_LABEL_PROP_ABS_DBL_FLING_VX, | |
| 85 AXIS_LABEL_PROP_ABS_DBL_FLING_VY, | |
| 86 AXIS_LABEL_PROP_ABS_FLING_STATE, | |
| 87 AXIS_LABEL_PROP_ABS_METRICS_TYPE, | |
| 88 AXIS_LABEL_PROP_ABS_DBL_METRICS_DATA1, | |
| 89 AXIS_LABEL_PROP_ABS_DBL_METRICS_DATA2, | |
| 90 AXIS_LABEL_PROP_ABS_FINGER_COUNT, | |
| 91 AXIS_LABEL_ABS_MT_TOUCH_MAJOR, | |
| 92 AXIS_LABEL_ABS_MT_TOUCH_MINOR, | |
| 93 AXIS_LABEL_ABS_MT_ORIENTATION, | |
| 94 AXIS_LABEL_ABS_MT_PRESSURE, | |
| 95 AXIS_LABEL_ABS_MT_POSITION_X, | |
| 96 AXIS_LABEL_ABS_MT_POSITION_Y, | |
| 97 AXIS_LABEL_ABS_MT_TRACKING_ID, | |
| 98 AXIS_LABEL_TOUCH_TIMESTAMP, | |
| 99 | |
| 100 NULL | |
| 101 }; | |
| 102 | |
| 103 // Constants for checking if a data type lies in the range of CMT/Touch data | |
| 104 // types. | |
| 105 const int kCMTDataTypeStart = ui::DeviceDataManagerX11::DT_CMT_SCROLL_X; | |
| 106 const int kCMTDataTypeEnd = ui::DeviceDataManagerX11::DT_CMT_FINGER_COUNT; | |
| 107 const int kTouchDataTypeStart = ui::DeviceDataManagerX11::DT_TOUCH_MAJOR; | |
| 108 const int kTouchDataTypeEnd = ui::DeviceDataManagerX11::DT_TOUCH_RAW_TIMESTAMP; | |
| 109 | |
| 110 namespace ui { | |
| 111 | |
| 112 namespace { | |
| 113 | |
| 114 bool KeyboardDeviceHasId(const ui::KeyboardDevice keyboard, unsigned int id) { | |
| 115 return keyboard.id == id; | |
| 116 } | |
| 117 | |
| 118 } // namespace | |
| 119 | |
| 120 bool DeviceDataManagerX11::IsCMTDataType(const int type) { | |
| 121 return (type >= kCMTDataTypeStart) && (type <= kCMTDataTypeEnd); | |
| 122 } | |
| 123 | |
| 124 bool DeviceDataManagerX11::IsTouchDataType(const int type) { | |
| 125 return (type >= kTouchDataTypeStart) && (type <= kTouchDataTypeEnd); | |
| 126 } | |
| 127 | |
| 128 // static | |
| 129 void DeviceDataManagerX11::CreateInstance() { | |
| 130 if (instance()) | |
| 131 return; | |
| 132 | |
| 133 new DeviceDataManagerX11(); | |
| 134 } | |
| 135 | |
| 136 // static | |
| 137 DeviceDataManagerX11* DeviceDataManagerX11::GetInstance() { | |
| 138 return static_cast<DeviceDataManagerX11*>(DeviceDataManager::GetInstance()); | |
| 139 } | |
| 140 | |
| 141 DeviceDataManagerX11::DeviceDataManagerX11() | |
| 142 : xi_opcode_(-1), | |
| 143 atom_cache_(gfx::GetXDisplay(), kCachedAtoms), | |
| 144 button_map_count_(0) { | |
| 145 CHECK(gfx::GetXDisplay()); | |
| 146 InitializeXInputInternal(); | |
| 147 | |
| 148 // Make sure the sizes of enum and kCachedAtoms are aligned. | |
| 149 CHECK(arraysize(kCachedAtoms) == static_cast<size_t>(DT_LAST_ENTRY) + 1); | |
| 150 UpdateDeviceList(gfx::GetXDisplay()); | |
| 151 UpdateButtonMap(); | |
| 152 } | |
| 153 | |
| 154 DeviceDataManagerX11::~DeviceDataManagerX11() { | |
| 155 } | |
| 156 | |
| 157 bool DeviceDataManagerX11::InitializeXInputInternal() { | |
| 158 // Check if XInput is available on the system. | |
| 159 xi_opcode_ = -1; | |
| 160 int opcode, event, error; | |
| 161 if (!XQueryExtension( | |
| 162 gfx::GetXDisplay(), "XInputExtension", &opcode, &event, &error)) { | |
| 163 VLOG(1) << "X Input extension not available: error=" << error; | |
| 164 return false; | |
| 165 } | |
| 166 | |
| 167 // Check the XInput version. | |
| 168 #if defined(USE_XI2_MT) | |
| 169 int major = 2, minor = USE_XI2_MT; | |
| 170 #else | |
| 171 int major = 2, minor = 0; | |
| 172 #endif | |
| 173 if (XIQueryVersion(gfx::GetXDisplay(), &major, &minor) == BadRequest) { | |
| 174 VLOG(1) << "XInput2 not supported in the server."; | |
| 175 return false; | |
| 176 } | |
| 177 #if defined(USE_XI2_MT) | |
| 178 if (major < 2 || (major == 2 && minor < USE_XI2_MT)) { | |
| 179 DVLOG(1) << "XI version on server is " << major << "." << minor << ". " | |
| 180 << "But 2." << USE_XI2_MT << " is required."; | |
| 181 return false; | |
| 182 } | |
| 183 #endif | |
| 184 | |
| 185 xi_opcode_ = opcode; | |
| 186 CHECK_NE(-1, xi_opcode_); | |
| 187 | |
| 188 // Possible XI event types for XIDeviceEvent. See the XI2 protocol | |
| 189 // specification. | |
| 190 xi_device_event_types_[XI_KeyPress] = true; | |
| 191 xi_device_event_types_[XI_KeyRelease] = true; | |
| 192 xi_device_event_types_[XI_ButtonPress] = true; | |
| 193 xi_device_event_types_[XI_ButtonRelease] = true; | |
| 194 xi_device_event_types_[XI_Motion] = true; | |
| 195 // Multi-touch support was introduced in XI 2.2. | |
| 196 if (minor >= 2) { | |
| 197 xi_device_event_types_[XI_TouchBegin] = true; | |
| 198 xi_device_event_types_[XI_TouchUpdate] = true; | |
| 199 xi_device_event_types_[XI_TouchEnd] = true; | |
| 200 } | |
| 201 return true; | |
| 202 } | |
| 203 | |
| 204 bool DeviceDataManagerX11::IsXInput2Available() const { | |
| 205 return xi_opcode_ != -1; | |
| 206 } | |
| 207 | |
| 208 void DeviceDataManagerX11::UpdateDeviceList(Display* display) { | |
| 209 cmt_devices_.reset(); | |
| 210 touchpads_.reset(); | |
| 211 for (int i = 0; i < kMaxDeviceNum; ++i) { | |
| 212 valuator_count_[i] = 0; | |
| 213 valuator_lookup_[i].clear(); | |
| 214 data_type_lookup_[i].clear(); | |
| 215 valuator_min_[i].clear(); | |
| 216 valuator_max_[i].clear(); | |
| 217 for (int j = 0; j < kMaxSlotNum; j++) | |
| 218 last_seen_valuator_[i][j].clear(); | |
| 219 } | |
| 220 | |
| 221 // Find all the touchpad devices. | |
| 222 XDeviceList dev_list = | |
| 223 ui::DeviceListCacheX::GetInstance()->GetXDeviceList(display); | |
| 224 Atom xi_touchpad = XInternAtom(display, XI_TOUCHPAD, false); | |
| 225 for (int i = 0; i < dev_list.count; ++i) | |
| 226 if (dev_list[i].type == xi_touchpad) | |
| 227 touchpads_[dev_list[i].id] = true; | |
| 228 | |
| 229 if (!IsXInput2Available()) | |
| 230 return; | |
| 231 | |
| 232 // Update the structs with new valuator information | |
| 233 XIDeviceList info_list = | |
| 234 ui::DeviceListCacheX::GetInstance()->GetXI2DeviceList(display); | |
| 235 Atom atoms[DT_LAST_ENTRY]; | |
| 236 for (int data_type = 0; data_type < DT_LAST_ENTRY; ++data_type) | |
| 237 atoms[data_type] = atom_cache_.GetAtom(kCachedAtoms[data_type]); | |
| 238 | |
| 239 for (int i = 0; i < info_list.count; ++i) { | |
| 240 XIDeviceInfo* info = info_list.devices + i; | |
| 241 | |
| 242 // We currently handle only slave, non-keyboard devices | |
| 243 if (info->use != XISlavePointer && info->use != XIFloatingSlave) | |
| 244 continue; | |
| 245 | |
| 246 bool possible_cmt = false; | |
| 247 bool not_cmt = false; | |
| 248 const int deviceid = info->deviceid; | |
| 249 | |
| 250 for (int j = 0; j < info->num_classes; ++j) { | |
| 251 if (info->classes[j]->type == XIValuatorClass) | |
| 252 ++valuator_count_[deviceid]; | |
| 253 else if (info->classes[j]->type == XIScrollClass) | |
| 254 not_cmt = true; | |
| 255 } | |
| 256 | |
| 257 // Skip devices that don't use any valuator | |
| 258 if (!valuator_count_[deviceid]) | |
| 259 continue; | |
| 260 | |
| 261 valuator_lookup_[deviceid].resize(DT_LAST_ENTRY, -1); | |
| 262 data_type_lookup_[deviceid].resize( | |
| 263 valuator_count_[deviceid], DT_LAST_ENTRY); | |
| 264 valuator_min_[deviceid].resize(DT_LAST_ENTRY, 0); | |
| 265 valuator_max_[deviceid].resize(DT_LAST_ENTRY, 0); | |
| 266 for (int j = 0; j < kMaxSlotNum; j++) | |
| 267 last_seen_valuator_[deviceid][j].resize(DT_LAST_ENTRY, 0); | |
| 268 for (int j = 0; j < info->num_classes; ++j) { | |
| 269 if (info->classes[j]->type != XIValuatorClass) | |
| 270 continue; | |
| 271 | |
| 272 XIValuatorClassInfo* v = | |
| 273 reinterpret_cast<XIValuatorClassInfo*>(info->classes[j]); | |
| 274 for (int data_type = 0; data_type < DT_LAST_ENTRY; ++data_type) { | |
| 275 if (v->label == atoms[data_type]) { | |
| 276 valuator_lookup_[deviceid][data_type] = v->number; | |
| 277 data_type_lookup_[deviceid][v->number] = data_type; | |
| 278 valuator_min_[deviceid][data_type] = v->min; | |
| 279 valuator_max_[deviceid][data_type] = v->max; | |
| 280 if (IsCMTDataType(data_type)) | |
| 281 possible_cmt = true; | |
| 282 break; | |
| 283 } | |
| 284 } | |
| 285 } | |
| 286 | |
| 287 if (possible_cmt && !not_cmt) | |
| 288 cmt_devices_[deviceid] = true; | |
| 289 } | |
| 290 } | |
| 291 | |
| 292 bool DeviceDataManagerX11::GetSlotNumber(const XIDeviceEvent* xiev, int* slot) { | |
| 293 #if defined(USE_XI2_MT) | |
| 294 ui::TouchFactory* factory = ui::TouchFactory::GetInstance(); | |
| 295 if (!factory->IsMultiTouchDevice(xiev->sourceid)) { | |
| 296 *slot = 0; | |
| 297 return true; | |
| 298 } | |
| 299 return factory->QuerySlotForTrackingID(xiev->detail, slot); | |
| 300 #else | |
| 301 *slot = 0; | |
| 302 return true; | |
| 303 #endif | |
| 304 } | |
| 305 | |
| 306 void DeviceDataManagerX11::GetEventRawData(const XEvent& xev, EventData* data) { | |
| 307 if (xev.type != GenericEvent) | |
| 308 return; | |
| 309 | |
| 310 XIDeviceEvent* xiev = static_cast<XIDeviceEvent*>(xev.xcookie.data); | |
| 311 if (xiev->sourceid >= kMaxDeviceNum || xiev->deviceid >= kMaxDeviceNum) | |
| 312 return; | |
| 313 data->clear(); | |
| 314 const int sourceid = xiev->sourceid; | |
| 315 double* valuators = xiev->valuators.values; | |
| 316 for (int i = 0; i <= valuator_count_[sourceid]; ++i) { | |
| 317 if (XIMaskIsSet(xiev->valuators.mask, i)) { | |
| 318 int type = data_type_lookup_[sourceid][i]; | |
| 319 if (type != DT_LAST_ENTRY) { | |
| 320 (*data)[type] = *valuators; | |
| 321 if (IsTouchDataType(type)) { | |
| 322 int slot = -1; | |
| 323 if (GetSlotNumber(xiev, &slot) && slot >= 0 && slot < kMaxSlotNum) | |
| 324 last_seen_valuator_[sourceid][slot][type] = *valuators; | |
| 325 } | |
| 326 } | |
| 327 valuators++; | |
| 328 } | |
| 329 } | |
| 330 } | |
| 331 | |
| 332 bool DeviceDataManagerX11::GetEventData(const XEvent& xev, | |
| 333 const DataType type, double* value) { | |
| 334 if (xev.type != GenericEvent) | |
| 335 return false; | |
| 336 | |
| 337 XIDeviceEvent* xiev = static_cast<XIDeviceEvent*>(xev.xcookie.data); | |
| 338 if (xiev->sourceid >= kMaxDeviceNum || xiev->deviceid >= kMaxDeviceNum) | |
| 339 return false; | |
| 340 const int sourceid = xiev->sourceid; | |
| 341 if (valuator_lookup_[sourceid].empty()) | |
| 342 return false; | |
| 343 | |
| 344 if (type == DT_TOUCH_TRACKING_ID) { | |
| 345 // With XInput2 MT, Tracking ID is provided in the detail field for touch | |
| 346 // events. | |
| 347 if (xiev->evtype == XI_TouchBegin || | |
| 348 xiev->evtype == XI_TouchEnd || | |
| 349 xiev->evtype == XI_TouchUpdate) { | |
| 350 *value = xiev->detail; | |
| 351 } else { | |
| 352 *value = 0; | |
| 353 } | |
| 354 return true; | |
| 355 } | |
| 356 | |
| 357 int val_index = valuator_lookup_[sourceid][type]; | |
| 358 int slot = 0; | |
| 359 if (val_index >= 0) { | |
| 360 if (XIMaskIsSet(xiev->valuators.mask, val_index)) { | |
| 361 double* valuators = xiev->valuators.values; | |
| 362 while (val_index--) { | |
| 363 if (XIMaskIsSet(xiev->valuators.mask, val_index)) | |
| 364 ++valuators; | |
| 365 } | |
| 366 *value = *valuators; | |
| 367 if (IsTouchDataType(type)) { | |
| 368 if (GetSlotNumber(xiev, &slot) && slot >= 0 && slot < kMaxSlotNum) | |
| 369 last_seen_valuator_[sourceid][slot][type] = *value; | |
| 370 } | |
| 371 return true; | |
| 372 } else if (IsTouchDataType(type)) { | |
| 373 if (GetSlotNumber(xiev, &slot) && slot >= 0 && slot < kMaxSlotNum) | |
| 374 *value = last_seen_valuator_[sourceid][slot][type]; | |
| 375 } | |
| 376 } | |
| 377 | |
| 378 return false; | |
| 379 } | |
| 380 | |
| 381 bool DeviceDataManagerX11::IsXIDeviceEvent( | |
| 382 const base::NativeEvent& native_event) const { | |
| 383 if (native_event->type != GenericEvent || | |
| 384 native_event->xcookie.extension != xi_opcode_) | |
| 385 return false; | |
| 386 return xi_device_event_types_[native_event->xcookie.evtype]; | |
| 387 } | |
| 388 | |
| 389 bool DeviceDataManagerX11::IsTouchpadXInputEvent( | |
| 390 const base::NativeEvent& native_event) const { | |
| 391 if (native_event->type != GenericEvent) | |
| 392 return false; | |
| 393 | |
| 394 XIDeviceEvent* xievent = | |
| 395 static_cast<XIDeviceEvent*>(native_event->xcookie.data); | |
| 396 if (xievent->sourceid >= kMaxDeviceNum) | |
| 397 return false; | |
| 398 return touchpads_[xievent->sourceid]; | |
| 399 } | |
| 400 | |
| 401 bool DeviceDataManagerX11::IsCMTDeviceEvent( | |
| 402 const base::NativeEvent& native_event) const { | |
| 403 if (native_event->type != GenericEvent) | |
| 404 return false; | |
| 405 | |
| 406 XIDeviceEvent* xievent = | |
| 407 static_cast<XIDeviceEvent*>(native_event->xcookie.data); | |
| 408 if (xievent->sourceid >= kMaxDeviceNum) | |
| 409 return false; | |
| 410 return cmt_devices_[xievent->sourceid]; | |
| 411 } | |
| 412 | |
| 413 bool DeviceDataManagerX11::IsCMTGestureEvent( | |
| 414 const base::NativeEvent& native_event) const { | |
| 415 return (IsScrollEvent(native_event) || | |
| 416 IsFlingEvent(native_event) || | |
| 417 IsCMTMetricsEvent(native_event)); | |
| 418 } | |
| 419 | |
| 420 bool DeviceDataManagerX11::HasEventData( | |
| 421 const XIDeviceEvent* xiev, const DataType type) const { | |
| 422 const int idx = valuator_lookup_[xiev->sourceid][type]; | |
| 423 return (idx >= 0) && XIMaskIsSet(xiev->valuators.mask, idx); | |
| 424 } | |
| 425 | |
| 426 bool DeviceDataManagerX11::IsScrollEvent( | |
| 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_SCROLL_X) || | |
| 434 HasEventData(xiev, DT_CMT_SCROLL_Y)); | |
| 435 } | |
| 436 | |
| 437 bool DeviceDataManagerX11::IsFlingEvent( | |
| 438 const base::NativeEvent& native_event) const { | |
| 439 if (!IsCMTDeviceEvent(native_event)) | |
| 440 return false; | |
| 441 | |
| 442 XIDeviceEvent* xiev = | |
| 443 static_cast<XIDeviceEvent*>(native_event->xcookie.data); | |
| 444 return (HasEventData(xiev, DT_CMT_FLING_X) && | |
| 445 HasEventData(xiev, DT_CMT_FLING_Y) && | |
| 446 HasEventData(xiev, DT_CMT_FLING_STATE)); | |
| 447 } | |
| 448 | |
| 449 bool DeviceDataManagerX11::IsCMTMetricsEvent( | |
| 450 const base::NativeEvent& native_event) const { | |
| 451 if (!IsCMTDeviceEvent(native_event)) | |
| 452 return false; | |
| 453 | |
| 454 XIDeviceEvent* xiev = | |
| 455 static_cast<XIDeviceEvent*>(native_event->xcookie.data); | |
| 456 return (HasEventData(xiev, DT_CMT_METRICS_TYPE) && | |
| 457 HasEventData(xiev, DT_CMT_METRICS_DATA1) && | |
| 458 HasEventData(xiev, DT_CMT_METRICS_DATA2)); | |
| 459 } | |
| 460 | |
| 461 bool DeviceDataManagerX11::HasGestureTimes( | |
| 462 const base::NativeEvent& native_event) const { | |
| 463 if (!IsCMTDeviceEvent(native_event)) | |
| 464 return false; | |
| 465 | |
| 466 XIDeviceEvent* xiev = | |
| 467 static_cast<XIDeviceEvent*>(native_event->xcookie.data); | |
| 468 return (HasEventData(xiev, DT_CMT_START_TIME) && | |
| 469 HasEventData(xiev, DT_CMT_END_TIME)); | |
| 470 } | |
| 471 | |
| 472 void DeviceDataManagerX11::GetScrollOffsets( | |
| 473 const base::NativeEvent& native_event, | |
| 474 float* x_offset, | |
| 475 float* y_offset, | |
| 476 float* x_offset_ordinal, | |
| 477 float* y_offset_ordinal, | |
| 478 int* finger_count) { | |
| 479 *x_offset = 0; | |
| 480 *y_offset = 0; | |
| 481 *x_offset_ordinal = 0; | |
| 482 *y_offset_ordinal = 0; | |
| 483 *finger_count = 2; | |
| 484 | |
| 485 EventData data; | |
| 486 GetEventRawData(*native_event, &data); | |
| 487 | |
| 488 if (data.find(DT_CMT_SCROLL_X) != data.end()) | |
| 489 *x_offset = data[DT_CMT_SCROLL_X]; | |
| 490 if (data.find(DT_CMT_SCROLL_Y) != data.end()) | |
| 491 *y_offset = data[DT_CMT_SCROLL_Y]; | |
| 492 if (data.find(DT_CMT_ORDINAL_X) != data.end()) | |
| 493 *x_offset_ordinal = data[DT_CMT_ORDINAL_X]; | |
| 494 if (data.find(DT_CMT_ORDINAL_Y) != data.end()) | |
| 495 *y_offset_ordinal = data[DT_CMT_ORDINAL_Y]; | |
| 496 if (data.find(DT_CMT_FINGER_COUNT) != data.end()) | |
| 497 *finger_count = static_cast<int>(data[DT_CMT_FINGER_COUNT]); | |
| 498 } | |
| 499 | |
| 500 void DeviceDataManagerX11::GetFlingData( | |
| 501 const base::NativeEvent& native_event, | |
| 502 float* vx, | |
| 503 float* vy, | |
| 504 float* vx_ordinal, | |
| 505 float* vy_ordinal, | |
| 506 bool* is_cancel) { | |
| 507 *vx = 0; | |
| 508 *vy = 0; | |
| 509 *vx_ordinal = 0; | |
| 510 *vy_ordinal = 0; | |
| 511 *is_cancel = false; | |
| 512 | |
| 513 EventData data; | |
| 514 GetEventRawData(*native_event, &data); | |
| 515 | |
| 516 if (data.find(DT_CMT_FLING_X) != data.end()) | |
| 517 *vx = data[DT_CMT_FLING_X]; | |
| 518 if (data.find(DT_CMT_FLING_Y) != data.end()) | |
| 519 *vy = data[DT_CMT_FLING_Y]; | |
| 520 if (data.find(DT_CMT_FLING_STATE) != data.end()) | |
| 521 *is_cancel = !!static_cast<unsigned int>(data[DT_CMT_FLING_STATE]); | |
| 522 if (data.find(DT_CMT_ORDINAL_X) != data.end()) | |
| 523 *vx_ordinal = data[DT_CMT_ORDINAL_X]; | |
| 524 if (data.find(DT_CMT_ORDINAL_Y) != data.end()) | |
| 525 *vy_ordinal = data[DT_CMT_ORDINAL_Y]; | |
| 526 } | |
| 527 | |
| 528 void DeviceDataManagerX11::GetMetricsData( | |
| 529 const base::NativeEvent& native_event, | |
| 530 GestureMetricsType* type, | |
| 531 float* data1, | |
| 532 float* data2) { | |
| 533 *type = kGestureMetricsTypeUnknown; | |
| 534 *data1 = 0; | |
| 535 *data2 = 0; | |
| 536 | |
| 537 EventData data; | |
| 538 GetEventRawData(*native_event, &data); | |
| 539 | |
| 540 if (data.find(DT_CMT_METRICS_TYPE) != data.end()) { | |
| 541 int val = static_cast<int>(data[DT_CMT_METRICS_TYPE]); | |
| 542 if (val == 0) | |
| 543 *type = kGestureMetricsTypeNoisyGround; | |
| 544 else | |
| 545 *type = kGestureMetricsTypeUnknown; | |
| 546 } | |
| 547 if (data.find(DT_CMT_METRICS_DATA1) != data.end()) | |
| 548 *data1 = data[DT_CMT_METRICS_DATA1]; | |
| 549 if (data.find(DT_CMT_METRICS_DATA2) != data.end()) | |
| 550 *data2 = data[DT_CMT_METRICS_DATA2]; | |
| 551 } | |
| 552 | |
| 553 int DeviceDataManagerX11::GetMappedButton(int button) { | |
| 554 return button > 0 && button <= button_map_count_ ? button_map_[button - 1] : | |
| 555 button; | |
| 556 } | |
| 557 | |
| 558 void DeviceDataManagerX11::UpdateButtonMap() { | |
| 559 button_map_count_ = XGetPointerMapping(gfx::GetXDisplay(), | |
| 560 button_map_, | |
| 561 arraysize(button_map_)); | |
| 562 } | |
| 563 | |
| 564 void DeviceDataManagerX11::GetGestureTimes( | |
| 565 const base::NativeEvent& native_event, | |
| 566 double* start_time, | |
| 567 double* end_time) { | |
| 568 *start_time = 0; | |
| 569 *end_time = 0; | |
| 570 | |
| 571 EventData data; | |
| 572 GetEventRawData(*native_event, &data); | |
| 573 | |
| 574 if (data.find(DT_CMT_START_TIME) != data.end()) | |
| 575 *start_time = data[DT_CMT_START_TIME]; | |
| 576 if (data.find(DT_CMT_END_TIME) != data.end()) | |
| 577 *end_time = data[DT_CMT_END_TIME]; | |
| 578 } | |
| 579 | |
| 580 bool DeviceDataManagerX11::NormalizeData(unsigned int deviceid, | |
| 581 const DataType type, | |
| 582 double* value) { | |
| 583 double max_value; | |
| 584 double min_value; | |
| 585 if (GetDataRange(deviceid, type, &min_value, &max_value)) { | |
| 586 *value = (*value - min_value) / (max_value - min_value); | |
| 587 DCHECK(*value >= 0.0 && *value <= 1.0); | |
| 588 return true; | |
| 589 } | |
| 590 return false; | |
| 591 } | |
| 592 | |
| 593 bool DeviceDataManagerX11::GetDataRange(unsigned int deviceid, | |
| 594 const DataType type, | |
| 595 double* min, | |
| 596 double* max) { | |
| 597 if (deviceid >= static_cast<unsigned int>(kMaxDeviceNum)) | |
| 598 return false; | |
| 599 if (valuator_lookup_[deviceid][type] >= 0) { | |
| 600 *min = valuator_min_[deviceid][type]; | |
| 601 *max = valuator_max_[deviceid][type]; | |
| 602 return true; | |
| 603 } | |
| 604 return false; | |
| 605 } | |
| 606 | |
| 607 void DeviceDataManagerX11::SetDeviceListForTest( | |
| 608 const std::vector<unsigned int>& touchscreen, | |
| 609 const std::vector<unsigned int>& cmt_devices) { | |
| 610 for (int i = 0; i < kMaxDeviceNum; ++i) { | |
| 611 valuator_count_[i] = 0; | |
| 612 valuator_lookup_[i].clear(); | |
| 613 data_type_lookup_[i].clear(); | |
| 614 valuator_min_[i].clear(); | |
| 615 valuator_max_[i].clear(); | |
| 616 for (int j = 0; j < kMaxSlotNum; j++) | |
| 617 last_seen_valuator_[i][j].clear(); | |
| 618 } | |
| 619 | |
| 620 for (size_t i = 0; i < touchscreen.size(); i++) { | |
| 621 unsigned int deviceid = touchscreen[i]; | |
| 622 InitializeValuatorsForTest(deviceid, kTouchDataTypeStart, kTouchDataTypeEnd, | |
| 623 0, 1000); | |
| 624 } | |
| 625 | |
| 626 cmt_devices_.reset(); | |
| 627 for (size_t i = 0; i < cmt_devices.size(); ++i) { | |
| 628 unsigned int deviceid = cmt_devices[i]; | |
| 629 cmt_devices_[deviceid] = true; | |
| 630 touchpads_[deviceid] = true; | |
| 631 InitializeValuatorsForTest(deviceid, kCMTDataTypeStart, kCMTDataTypeEnd, | |
| 632 -1000, 1000); | |
| 633 } | |
| 634 } | |
| 635 | |
| 636 void DeviceDataManagerX11::SetValuatorDataForTest(XIDeviceEvent* xievent, | |
| 637 DataType type, | |
| 638 double value) { | |
| 639 int index = valuator_lookup_[xievent->deviceid][type]; | |
| 640 CHECK(!XIMaskIsSet(xievent->valuators.mask, index)); | |
| 641 CHECK(index >= 0 && index < valuator_count_[xievent->deviceid]); | |
| 642 XISetMask(xievent->valuators.mask, index); | |
| 643 | |
| 644 double* valuators = xievent->valuators.values; | |
| 645 for (int i = 0; i < index; ++i) { | |
| 646 if (XIMaskIsSet(xievent->valuators.mask, i)) | |
| 647 valuators++; | |
| 648 } | |
| 649 for (int i = DT_LAST_ENTRY - 1; i > valuators - xievent->valuators.values; | |
| 650 --i) | |
| 651 xievent->valuators.values[i] = xievent->valuators.values[i - 1]; | |
| 652 *valuators = value; | |
| 653 } | |
| 654 | |
| 655 void DeviceDataManagerX11::InitializeValuatorsForTest(int deviceid, | |
| 656 int start_valuator, | |
| 657 int end_valuator, | |
| 658 double min_value, | |
| 659 double max_value) { | |
| 660 valuator_lookup_[deviceid].resize(DT_LAST_ENTRY, -1); | |
| 661 data_type_lookup_[deviceid].resize(DT_LAST_ENTRY, DT_LAST_ENTRY); | |
| 662 valuator_min_[deviceid].resize(DT_LAST_ENTRY, 0); | |
| 663 valuator_max_[deviceid].resize(DT_LAST_ENTRY, 0); | |
| 664 for (int j = 0; j < kMaxSlotNum; j++) | |
| 665 last_seen_valuator_[deviceid][j].resize(DT_LAST_ENTRY, 0); | |
| 666 for (int j = start_valuator; j <= end_valuator; ++j) { | |
| 667 valuator_lookup_[deviceid][j] = valuator_count_[deviceid]; | |
| 668 data_type_lookup_[deviceid][valuator_count_[deviceid]] = j; | |
| 669 valuator_min_[deviceid][j] = min_value; | |
| 670 valuator_max_[deviceid][j] = max_value; | |
| 671 valuator_count_[deviceid]++; | |
| 672 } | |
| 673 } | |
| 674 | |
| 675 bool DeviceDataManagerX11::TouchEventNeedsCalibrate( | |
| 676 unsigned int touch_device_id) const { | |
| 677 #if defined(OS_CHROMEOS) && defined(USE_XI2_MT) | |
| 678 int64 touch_display_id = GetDisplayForTouchDevice(touch_device_id); | |
| 679 if (base::SysInfo::IsRunningOnChromeOS() && | |
| 680 touch_display_id == gfx::Display::InternalDisplayId()) { | |
| 681 return true; | |
| 682 } | |
| 683 #endif // defined(OS_CHROMEOS) && defined(USE_XI2_MT) | |
| 684 return false; | |
| 685 } | |
| 686 | |
| 687 void DeviceDataManagerX11::SetDisabledKeyboardAllowedKeys( | |
| 688 scoped_ptr<std::set<KeyboardCode> > excepted_keys) { | |
| 689 DCHECK(!excepted_keys.get() || | |
| 690 !blocked_keyboard_allowed_keys_.get()); | |
| 691 blocked_keyboard_allowed_keys_ = excepted_keys.Pass(); | |
| 692 } | |
| 693 | |
| 694 void DeviceDataManagerX11::DisableDevice(unsigned int deviceid) { | |
| 695 blocked_devices_.set(deviceid, true); | |
| 696 // TODO(rsadam@): Support blocking touchscreen devices. | |
| 697 std::vector<KeyboardDevice> keyboards = keyboard_devices(); | |
| 698 std::vector<KeyboardDevice>::iterator it = | |
| 699 std::find_if(keyboards.begin(), | |
| 700 keyboards.end(), | |
| 701 std::bind2nd(std::ptr_fun(&KeyboardDeviceHasId), deviceid)); | |
| 702 if (it != std::end(keyboards)) { | |
| 703 blocked_keyboards_.insert( | |
| 704 std::pair<unsigned int, KeyboardDevice>(deviceid, *it)); | |
| 705 keyboards.erase(it); | |
| 706 DeviceDataManager::OnKeyboardDevicesUpdated(keyboards); | |
| 707 } | |
| 708 } | |
| 709 | |
| 710 void DeviceDataManagerX11::EnableDevice(unsigned int deviceid) { | |
| 711 blocked_devices_.set(deviceid, false); | |
| 712 std::map<unsigned int, KeyboardDevice>::iterator it = | |
| 713 blocked_keyboards_.find(deviceid); | |
| 714 if (it != blocked_keyboards_.end()) { | |
| 715 std::vector<KeyboardDevice> devices = keyboard_devices(); | |
| 716 // Add device to current list of active devices. | |
| 717 devices.push_back((*it).second); | |
| 718 blocked_keyboards_.erase(it); | |
| 719 DeviceDataManager::OnKeyboardDevicesUpdated(devices); | |
| 720 } | |
| 721 } | |
| 722 | |
| 723 bool DeviceDataManagerX11::IsEventBlocked( | |
| 724 const base::NativeEvent& native_event) { | |
| 725 // Only check XI2 events which have a source device id. | |
| 726 if (native_event->type != GenericEvent) | |
| 727 return false; | |
| 728 | |
| 729 XIDeviceEvent* xievent = | |
| 730 static_cast<XIDeviceEvent*>(native_event->xcookie.data); | |
| 731 // Allow any key events from blocked_keyboard_allowed_keys_. | |
| 732 if (blocked_keyboard_allowed_keys_ && | |
| 733 (xievent->evtype == XI_KeyPress || xievent->evtype == XI_KeyRelease) && | |
| 734 blocked_keyboard_allowed_keys_->find( | |
| 735 KeyboardCodeFromXKeyEvent(native_event)) != | |
| 736 blocked_keyboard_allowed_keys_->end()) { | |
| 737 return false; | |
| 738 } | |
| 739 | |
| 740 return blocked_devices_.test(xievent->sourceid); | |
| 741 } | |
| 742 | |
| 743 void DeviceDataManagerX11::OnKeyboardDevicesUpdated( | |
| 744 const std::vector<KeyboardDevice>& devices) { | |
| 745 std::vector<KeyboardDevice> keyboards(devices); | |
| 746 for (std::map<unsigned int, KeyboardDevice>::iterator blocked_iter = | |
| 747 blocked_keyboards_.begin(); | |
| 748 blocked_iter != blocked_keyboards_.end();) { | |
| 749 // Check if the blocked device still exists in list of devices. | |
| 750 std::vector<KeyboardDevice>::iterator it = | |
| 751 std::find_if(keyboards.begin(), | |
| 752 keyboards.end(), | |
| 753 std::bind2nd(std::ptr_fun(&KeyboardDeviceHasId), | |
| 754 (*blocked_iter).first)); | |
| 755 // If the device no longer exists, unblock it, else filter it out from our | |
| 756 // active list. | |
| 757 if (it == keyboards.end()) { | |
| 758 blocked_devices_.set((*blocked_iter).first, false); | |
| 759 blocked_keyboards_.erase(blocked_iter++); | |
| 760 } else { | |
| 761 keyboards.erase(it); | |
| 762 ++blocked_iter; | |
| 763 } | |
| 764 } | |
| 765 // Notify base class of updated list. | |
| 766 DeviceDataManager::OnKeyboardDevicesUpdated(keyboards); | |
| 767 } | |
| 768 | |
| 769 } // namespace ui | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 685793002:
Move all event related devices from ui/events/ to ui/events/devices/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@internal-touchscreens