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