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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // MSVC++ requires this to be set before any other includes to get M_PI. | 5 // MSVC++ requires this to be set before any other includes to get M_PI. |
| 6 #define _USE_MATH_DEFINES | 6 #define _USE_MATH_DEFINES |
| 7 | 7 |
| 8 #include "ui/events/gesture_detection/motion_event_generic.h" | 8 #include "ui/events/gesture_detection/motion_event_generic.h" |
| 9 | 9 |
| 10 #include <cmath> | 10 #include <cmath> |
| 11 #include <utility> |
| 11 | 12 |
| 12 #include "base/logging.h" | 13 #include "base/logging.h" |
| 13 #include "ui/events/base_event_utils.h" | 14 #include "ui/events/base_event_utils.h" |
| 14 | 15 |
| 15 namespace ui { | 16 namespace ui { |
| 16 | 17 |
| 17 PointerProperties::PointerProperties() | 18 PointerProperties::PointerProperties() |
| 18 : PointerProperties(0, 0, 0) { | 19 : PointerProperties(0, 0, 0) { |
| 19 } | 20 } |
| 20 | 21 |
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| 232 } | 233 } |
| 233 | 234 |
| 234 // static | 235 // static |
| 235 scoped_ptr<MotionEventGeneric> MotionEventGeneric::CancelEvent( | 236 scoped_ptr<MotionEventGeneric> MotionEventGeneric::CancelEvent( |
| 236 const MotionEvent& event) { | 237 const MotionEvent& event) { |
| 237 bool with_history = false; | 238 bool with_history = false; |
| 238 scoped_ptr<MotionEventGeneric> cancel_event( | 239 scoped_ptr<MotionEventGeneric> cancel_event( |
| 239 new MotionEventGeneric(event, with_history)); | 240 new MotionEventGeneric(event, with_history)); |
| 240 cancel_event->set_action(ACTION_CANCEL); | 241 cancel_event->set_action(ACTION_CANCEL); |
| 241 cancel_event->set_unique_event_id(ui::GetNextTouchEventId()); | 242 cancel_event->set_unique_event_id(ui::GetNextTouchEventId()); |
| 242 return cancel_event.Pass(); | 243 return cancel_event; |
| 243 } | 244 } |
| 244 | 245 |
| 245 size_t MotionEventGeneric::PushPointer(const PointerProperties& pointer) { | 246 size_t MotionEventGeneric::PushPointer(const PointerProperties& pointer) { |
| 246 DCHECK_EQ(0U, GetHistorySize()); | 247 DCHECK_EQ(0U, GetHistorySize()); |
| 247 pointers_->push_back(pointer); | 248 pointers_->push_back(pointer); |
| 248 return pointers_->size() - 1; | 249 return pointers_->size() - 1; |
| 249 } | 250 } |
| 250 | 251 |
| 251 void MotionEventGeneric::RemovePointerAt(size_t index) { | 252 void MotionEventGeneric::RemovePointerAt(size_t index) { |
| 252 DCHECK_LT(index, pointers_->size()); | 253 DCHECK_LT(index, pointers_->size()); |
| 253 pointers_->erase(pointers_->begin() + index); | 254 pointers_->erase(pointers_->begin() + index); |
| 254 } | 255 } |
| 255 | 256 |
| 256 void MotionEventGeneric::PushHistoricalEvent(scoped_ptr<MotionEvent> event) { | 257 void MotionEventGeneric::PushHistoricalEvent(scoped_ptr<MotionEvent> event) { |
| 257 DCHECK(event); | 258 DCHECK(event); |
| 258 DCHECK_EQ(event->GetAction(), ACTION_MOVE); | 259 DCHECK_EQ(event->GetAction(), ACTION_MOVE); |
| 259 DCHECK_EQ(event->GetPointerCount(), GetPointerCount()); | 260 DCHECK_EQ(event->GetPointerCount(), GetPointerCount()); |
| 260 DCHECK_EQ(event->GetAction(), GetAction()); | 261 DCHECK_EQ(event->GetAction(), GetAction()); |
| 261 DCHECK_LE(event->GetEventTime().ToInternalValue(), | 262 DCHECK_LE(event->GetEventTime().ToInternalValue(), |
| 262 GetEventTime().ToInternalValue()); | 263 GetEventTime().ToInternalValue()); |
| 263 historical_events_.push_back(event.Pass()); | 264 historical_events_.push_back(std::move(event)); |
| 264 } | 265 } |
| 265 | 266 |
| 266 MotionEventGeneric::MotionEventGeneric() | 267 MotionEventGeneric::MotionEventGeneric() |
| 267 : action_(ACTION_NONE), | 268 : action_(ACTION_NONE), |
| 268 unique_event_id_(ui::GetNextTouchEventId()), | 269 unique_event_id_(ui::GetNextTouchEventId()), |
| 269 action_index_(-1), | 270 action_index_(-1), |
| 270 button_state_(0) { | 271 button_state_(0) { |
| 271 } | 272 } |
| 272 | 273 |
| 273 MotionEventGeneric::MotionEventGeneric(const MotionEvent& event, | 274 MotionEventGeneric::MotionEventGeneric(const MotionEvent& event, |
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| 292 for (size_t h = 0; h < history_size; ++h) { | 293 for (size_t h = 0; h < history_size; ++h) { |
| 293 scoped_ptr<MotionEventGeneric> historical_event(new MotionEventGeneric()); | 294 scoped_ptr<MotionEventGeneric> historical_event(new MotionEventGeneric()); |
| 294 historical_event->set_action(ACTION_MOVE); | 295 historical_event->set_action(ACTION_MOVE); |
| 295 historical_event->set_event_time(event.GetHistoricalEventTime(h)); | 296 historical_event->set_event_time(event.GetHistoricalEventTime(h)); |
| 296 for (size_t i = 0; i < pointer_count; ++i) { | 297 for (size_t i = 0; i < pointer_count; ++i) { |
| 297 historical_event->PushPointer( | 298 historical_event->PushPointer( |
| 298 PointerProperties(event.GetHistoricalX(i, h), | 299 PointerProperties(event.GetHistoricalX(i, h), |
| 299 event.GetHistoricalY(i, h), | 300 event.GetHistoricalY(i, h), |
| 300 event.GetHistoricalTouchMajor(i, h))); | 301 event.GetHistoricalTouchMajor(i, h))); |
| 301 } | 302 } |
| 302 PushHistoricalEvent(historical_event.Pass()); | 303 PushHistoricalEvent(std::move(historical_event)); |
| 303 } | 304 } |
| 304 } | 305 } |
| 305 | 306 |
| 306 MotionEventGeneric& MotionEventGeneric::operator=( | 307 MotionEventGeneric& MotionEventGeneric::operator=( |
| 307 const MotionEventGeneric& other) { | 308 const MotionEventGeneric& other) { |
| 308 action_ = other.action_; | 309 action_ = other.action_; |
| 309 event_time_ = other.event_time_; | 310 event_time_ = other.event_time_; |
| 310 unique_event_id_ = other.unique_event_id_; | 311 unique_event_id_ = other.unique_event_id_; |
| 311 action_index_ = other.action_index_; | 312 action_index_ = other.action_index_; |
| 312 button_state_ = other.button_state_; | 313 button_state_ = other.button_state_; |
| 313 flags_ = other.flags_; | 314 flags_ = other.flags_; |
| 314 pointers_ = other.pointers_; | 315 pointers_ = other.pointers_; |
| 315 const size_t history_size = other.GetHistorySize(); | 316 const size_t history_size = other.GetHistorySize(); |
| 316 for (size_t h = 0; h < history_size; ++h) | 317 for (size_t h = 0; h < history_size; ++h) |
| 317 PushHistoricalEvent(other.historical_events_[h]->Clone()); | 318 PushHistoricalEvent(other.historical_events_[h]->Clone()); |
| 318 return *this; | 319 return *this; |
| 319 } | 320 } |
| 320 | 321 |
| 321 void MotionEventGeneric::PopPointer() { | 322 void MotionEventGeneric::PopPointer() { |
| 322 DCHECK_GT(pointers_->size(), 0U); | 323 DCHECK_GT(pointers_->size(), 0U); |
| 323 pointers_->pop_back(); | 324 pointers_->pop_back(); |
| 324 } | 325 } |
| 325 | 326 |
| 326 } // namespace ui | 327 } // namespace ui |
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