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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "../Macros.h"
#include "SwitchInputMapper.h"
namespace android {
SwitchInputMapper::SwitchInputMapper(InputDeviceContext& deviceContext,
const InputReaderConfiguration& readerConfig)
: InputMapper(deviceContext, readerConfig), mSwitchValues(0), mUpdatedSwitchMask(0) {}
SwitchInputMapper::~SwitchInputMapper() {}
uint32_t SwitchInputMapper::getSources() const {
return AINPUT_SOURCE_SWITCH;
}
std::list<NotifyArgs> SwitchInputMapper::process(const RawEvent* rawEvent) {
std::list<NotifyArgs> out;
switch (rawEvent->type) {
case EV_SW:
processSwitch(rawEvent->code, rawEvent->value);
break;
case EV_SYN:
if (rawEvent->code == SYN_REPORT) {
out += sync(rawEvent->when);
}
}
return out;
}
void SwitchInputMapper::processSwitch(int32_t switchCode, int32_t switchValue) {
if (switchCode >= 0 && switchCode < 32) {
if (switchValue) {
mSwitchValues |= 1 << switchCode;
} else {
mSwitchValues &= ~(1 << switchCode);
}
mUpdatedSwitchMask |= 1 << switchCode;
}
}
std::list<NotifyArgs> SwitchInputMapper::sync(nsecs_t when) {
std::list<NotifyArgs> out;
if (mUpdatedSwitchMask) {
uint32_t updatedSwitchValues = mSwitchValues & mUpdatedSwitchMask;
out.push_back(NotifySwitchArgs(getContext()->getNextId(), when, /*policyFlags=*/0,
updatedSwitchValues, mUpdatedSwitchMask));
mUpdatedSwitchMask = 0;
}
return out;
}
int32_t SwitchInputMapper::getSwitchState(uint32_t sourceMask, int32_t switchCode) {
return getDeviceContext().getSwitchState(switchCode);
}
void SwitchInputMapper::dump(std::string& dump) {
dump += INDENT2 "Switch Input Mapper:\n";
dump += StringPrintf(INDENT3 "SwitchValues: %x\n", mSwitchValues);
}
} // namespace android
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