151 lines
4.6 KiB
C++
151 lines
4.6 KiB
C++
/*
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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 "VibratorInputMapper.h"
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namespace android {
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VibratorInputMapper::VibratorInputMapper(InputDeviceContext& deviceContext)
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: InputMapper(deviceContext), mVibrating(false), mSequence(0) {}
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VibratorInputMapper::~VibratorInputMapper() {}
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uint32_t VibratorInputMapper::getSources() const {
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return 0;
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}
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void VibratorInputMapper::populateDeviceInfo(InputDeviceInfo* info) {
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InputMapper::populateDeviceInfo(info);
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info->setVibrator(true);
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}
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void VibratorInputMapper::process(const RawEvent* rawEvent) {
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// TODO: Handle FF_STATUS, although it does not seem to be widely supported.
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}
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void VibratorInputMapper::vibrate(const VibrationSequence& sequence, ssize_t repeat,
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int32_t token) {
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if (DEBUG_VIBRATOR) {
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ALOGD("vibrate: deviceId=%d, pattern=[%s], repeat=%zd, token=%d", getDeviceId(),
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sequence.toString().c_str(), repeat, token);
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}
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mVibrating = true;
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mSequence = sequence;
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mRepeat = repeat;
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mToken = token;
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mIndex = -1;
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// Request InputReader to notify InputManagerService for vibration started.
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NotifyVibratorStateArgs args(getContext()->getNextId(), systemTime(), getDeviceId(), true);
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getListener().notifyVibratorState(&args);
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nextStep();
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}
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void VibratorInputMapper::cancelVibrate(int32_t token) {
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if (DEBUG_VIBRATOR) {
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ALOGD("cancelVibrate: deviceId=%d, token=%d", getDeviceId(), token);
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}
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if (mVibrating && mToken == token) {
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stopVibrating();
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}
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}
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bool VibratorInputMapper::isVibrating() {
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return mVibrating;
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}
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std::vector<int32_t> VibratorInputMapper::getVibratorIds() {
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return getDeviceContext().getVibratorIds();
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}
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void VibratorInputMapper::timeoutExpired(nsecs_t when) {
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if (mVibrating) {
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if (when >= mNextStepTime) {
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nextStep();
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} else {
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getContext()->requestTimeoutAtTime(mNextStepTime);
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}
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}
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}
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void VibratorInputMapper::nextStep() {
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if (DEBUG_VIBRATOR) {
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ALOGD("nextStep: index=%d, vibrate deviceId=%d", (int)mIndex, getDeviceId());
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}
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mIndex += 1;
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if (size_t(mIndex) >= mSequence.pattern.size()) {
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if (mRepeat < 0) {
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// We are done.
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stopVibrating();
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return;
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}
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mIndex = mRepeat;
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}
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const VibrationElement& element = mSequence.pattern[mIndex];
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if (element.isOn()) {
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if (DEBUG_VIBRATOR) {
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std::string description = element.toString();
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ALOGD("nextStep: sending vibrate deviceId=%d, element=%s", getDeviceId(),
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description.c_str());
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}
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getDeviceContext().vibrate(element);
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} else {
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if (DEBUG_VIBRATOR) {
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ALOGD("nextStep: sending cancel vibrate deviceId=%d", getDeviceId());
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}
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getDeviceContext().cancelVibrate();
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}
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nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
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std::chrono::nanoseconds duration =
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std::chrono::duration_cast<std::chrono::nanoseconds>(element.duration);
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mNextStepTime = now + duration.count();
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getContext()->requestTimeoutAtTime(mNextStepTime);
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if (DEBUG_VIBRATOR) {
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ALOGD("nextStep: scheduled timeout in %lldms", element.duration.count());
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}
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}
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void VibratorInputMapper::stopVibrating() {
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mVibrating = false;
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if (DEBUG_VIBRATOR) {
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ALOGD("stopVibrating: sending cancel vibrate deviceId=%d", getDeviceId());
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}
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getDeviceContext().cancelVibrate();
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// Request InputReader to notify InputManagerService for vibration complete.
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NotifyVibratorStateArgs args(getContext()->getNextId(), systemTime(), getDeviceId(), false);
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getListener().notifyVibratorState(&args);
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}
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void VibratorInputMapper::dump(std::string& dump) {
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dump += INDENT2 "Vibrator Input Mapper:\n";
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dump += StringPrintf(INDENT3 "Vibrating: %s\n", toString(mVibrating));
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if (mVibrating) {
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dump += INDENT3 "Pattern: ";
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dump += mSequence.toString();
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dump += "\n";
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dump += StringPrintf(INDENT3 "Repeat Index: %zd\n", mRepeat);
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}
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}
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} // namespace android
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