| // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "gestures/include/t5r2_correcting_filter_interpreter.h" |
| |
| namespace gestures { |
| |
| // Takes ownership of |next|: |
| T5R2CorrectingFilterInterpreter::T5R2CorrectingFilterInterpreter( |
| PropRegistry* prop_reg, Interpreter* next, Tracer* tracer) |
| : FilterInterpreter(NULL, next, tracer, false), |
| last_finger_cnt_(0), |
| last_touch_cnt_(0), |
| touch_cnt_correct_enabled_(prop_reg, |
| "T5R2 Touch Count Correct Enabled", 1) { |
| InitName(); |
| } |
| |
| void T5R2CorrectingFilterInterpreter::SyncInterpretImpl( |
| HardwareState* hwstate, |
| stime_t* timeout) { |
| if (touch_cnt_correct_enabled_.val_ && |
| hwstate->finger_cnt == 0 && last_finger_cnt_ == 0 && |
| hwstate->touch_cnt != 0 && hwstate->touch_cnt == last_touch_cnt_) { |
| hwstate->touch_cnt = 0; |
| } |
| last_touch_cnt_ = hwstate->touch_cnt; |
| last_finger_cnt_ = hwstate->finger_cnt; |
| next_->SyncInterpret(hwstate, timeout); |
| } |
| |
| }; // namespace gestures |
