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// Copyright 2012 The ChromiumOS Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "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", true) {
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
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