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317 lines
10 KiB
317 lines
10 KiB
/*
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* Copyright (C) 2021 The LineageOS Project
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "Vibrator.h"
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#include <android-base/logging.h>
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#include <cmath>
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#include <fstream>
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#include <iostream>
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#include <map>
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#include <thread>
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namespace aidl {
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namespace android {
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namespace hardware {
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namespace vibrator {
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static std::map<Effect, int> CP_TRIGGER_EFFECTS {
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{ Effect::CLICK, 10 },
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{ Effect::DOUBLE_CLICK, 14 },
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{ Effect::HEAVY_CLICK, 23 },
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{ Effect::TEXTURE_TICK, 50 },
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{ Effect::TICK, 50 }
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};
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/*
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* Write value to path and close file.
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*/
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template <typename T>
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static ndk::ScopedAStatus writeNode(const std::string& path, const T& value) {
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std::ofstream node(path);
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if (!node) {
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LOG(ERROR) << "Failed to open: " << path;
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return ndk::ScopedAStatus::fromStatus(STATUS_UNKNOWN_ERROR);
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}
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LOG(DEBUG) << "writeNode node: " << path << " value: " << value;
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node << value << std::endl;
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if (!node) {
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LOG(ERROR) << "Failed to write: " << value;
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return ndk::ScopedAStatus::fromStatus(STATUS_UNKNOWN_ERROR);
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}
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return ndk::ScopedAStatus::ok();
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}
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static bool nodeExists(const std::string& path) {
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std::ofstream f(path.c_str());
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return f.good();
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}
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Vibrator::Vibrator() {
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mIsTimedOutVibrator = nodeExists(VIBRATOR_TIMEOUT_PATH);
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mHasTimedOutIntensity = nodeExists(VIBRATOR_INTENSITY_PATH);
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mHasTimedOutEffect = nodeExists(VIBRATOR_CP_TRIGGER_PATH);
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}
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ndk::ScopedAStatus Vibrator::getCapabilities(int32_t* _aidl_return) {
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*_aidl_return = IVibrator::CAP_ON_CALLBACK | IVibrator::CAP_PERFORM_CALLBACK |
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IVibrator::CAP_EXTERNAL_CONTROL /*| IVibrator::CAP_COMPOSE_EFFECTS |
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IVibrator::CAP_ALWAYS_ON_CONTROL*/;
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if (mHasTimedOutIntensity) {
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*_aidl_return = *_aidl_return | IVibrator::CAP_AMPLITUDE_CONTROL |
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IVibrator::CAP_EXTERNAL_AMPLITUDE_CONTROL;
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}
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::off() {
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return activate(0);
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}
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ndk::ScopedAStatus Vibrator::on(int32_t timeoutMs, const std::shared_ptr<IVibratorCallback>& callback) {
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ndk::ScopedAStatus status;
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if (mHasTimedOutEffect)
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writeNode(VIBRATOR_CP_TRIGGER_PATH, 0); // Clear all effects
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status = activate(timeoutMs);
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if (callback != nullptr) {
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std::thread([=] {
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LOG(DEBUG) << "Starting on on another thread";
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usleep(timeoutMs * 1000);
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LOG(DEBUG) << "Notifying on complete";
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if (!callback->onComplete().isOk()) {
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LOG(ERROR) << "Failed to call onComplete";
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}
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}).detach();
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}
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return status;
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}
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ndk::ScopedAStatus Vibrator::perform(Effect effect, EffectStrength strength, const std::shared_ptr<IVibratorCallback>& callback, int32_t* _aidl_return) {
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ndk::ScopedAStatus status;
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uint32_t amplitude = strengthToAmplitude(strength, &status);
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uint32_t ms = 1000;
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if (!status.isOk())
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return status;
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activate(0);
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setAmplitude(amplitude);
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if (mHasTimedOutEffect && CP_TRIGGER_EFFECTS.find(effect) != CP_TRIGGER_EFFECTS.end()) {
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writeNode(VIBRATOR_CP_TRIGGER_PATH, CP_TRIGGER_EFFECTS[effect]);
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} else {
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if (mHasTimedOutEffect)
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writeNode(VIBRATOR_CP_TRIGGER_PATH, 0); // Clear previous effect
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ms = effectToMs(effect, &status);
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if (!status.isOk())
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return status;
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}
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status = activate(ms);
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if (callback != nullptr) {
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std::thread([=] {
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LOG(DEBUG) << "Starting perform on another thread";
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usleep(ms * 1000);
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LOG(DEBUG) << "Notifying perform complete";
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callback->onComplete();
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}).detach();
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}
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*_aidl_return = ms;
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return status;
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}
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ndk::ScopedAStatus Vibrator::getSupportedEffects(std::vector<Effect>* _aidl_return) {
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*_aidl_return = {Effect::CLICK, Effect::DOUBLE_CLICK, Effect::HEAVY_CLICK,
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Effect::TICK, Effect::TEXTURE_TICK, Effect::THUD, Effect::POP,
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Effect::RINGTONE_1, Effect::RINGTONE_2, Effect::RINGTONE_3,
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Effect::RINGTONE_4, Effect::RINGTONE_5, Effect::RINGTONE_6,
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Effect::RINGTONE_7, Effect::RINGTONE_7, Effect::RINGTONE_8,
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Effect::RINGTONE_9, Effect::RINGTONE_10, Effect::RINGTONE_11,
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Effect::RINGTONE_12, Effect::RINGTONE_13, Effect::RINGTONE_14,
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Effect::RINGTONE_15};
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::setAmplitude(float amplitude) {
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uint32_t intensity;
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if (amplitude == 0) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
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}
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LOG(DEBUG) << "Setting amplitude: " << (uint32_t)amplitude;
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intensity = std::lround((amplitude - 1) * INTENSITY_MAX / 254.0);
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if (intensity > INTENSITY_MAX) {
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intensity = INTENSITY_MAX;
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}
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LOG(DEBUG) << "Setting intensity: " << intensity;
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if (mHasTimedOutIntensity) {
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return writeNode(VIBRATOR_INTENSITY_PATH, intensity);
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}
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::setExternalControl(bool enabled) {
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if (mEnabled) {
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LOG(WARNING) << "Setting external control while the vibrator is enabled is "
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"unsupported!";
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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LOG(INFO) << "ExternalControl: " << mExternalControl << " -> " << enabled;
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mExternalControl = enabled;
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Vibrator::getCompositionDelayMax(int32_t* /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getCompositionSizeMax(int32_t* /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getSupportedPrimitives(std::vector<CompositePrimitive>* /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getPrimitiveDuration(CompositePrimitive /*primitive*/, int32_t* /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::compose(const std::vector<CompositeEffect>& /*composite*/, const std::shared_ptr<IVibratorCallback>& /*callback*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getSupportedAlwaysOnEffects(std::vector<Effect>* /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::alwaysOnEnable(int32_t /*id*/, Effect /*effect*/, EffectStrength /*strength*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::alwaysOnDisable(int32_t /*id*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getResonantFrequency(float* /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getQFactor(float* /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getFrequencyResolution(float* /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getFrequencyMinimum(float* /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getBandwidthAmplitudeMap(std::vector<float>* /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getPwlePrimitiveDurationMax(int32_t* /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getPwleCompositionSizeMax(int32_t* /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::getSupportedBraking(std::vector<Braking>* /*_aidl_return*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::composePwle(const std::vector<PrimitivePwle>& /*composite*/, const std::shared_ptr<IVibratorCallback>& /*callback*/) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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ndk::ScopedAStatus Vibrator::activate(uint32_t timeoutMs) {
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std::lock_guard<std::mutex> lock{mMutex};
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if (!mIsTimedOutVibrator) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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return writeNode(VIBRATOR_TIMEOUT_PATH, timeoutMs);
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}
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uint8_t Vibrator::strengthToAmplitude(EffectStrength strength, ndk::ScopedAStatus* status) {
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*status = ndk::ScopedAStatus::ok();
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switch (strength) {
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case EffectStrength::LIGHT:
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return 64;
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case EffectStrength::MEDIUM:
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return 128;
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case EffectStrength::STRONG:
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return 255;
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}
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*status = ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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return 0;
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}
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uint32_t Vibrator::effectToMs(Effect effect, ndk::ScopedAStatus* status) {
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*status = ndk::ScopedAStatus::ok();
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switch (effect) {
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case Effect::CLICK:
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return 10;
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case Effect::DOUBLE_CLICK:
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return 15;
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case Effect::TICK:
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case Effect::TEXTURE_TICK:
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case Effect::THUD:
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case Effect::POP:
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return 5;
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case Effect::HEAVY_CLICK:
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return 10;
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case Effect::RINGTONE_1:
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case Effect::RINGTONE_2:
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case Effect::RINGTONE_3:
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case Effect::RINGTONE_4:
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case Effect::RINGTONE_5:
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case Effect::RINGTONE_6:
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case Effect::RINGTONE_7:
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case Effect::RINGTONE_8:
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case Effect::RINGTONE_9:
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case Effect::RINGTONE_10:
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case Effect::RINGTONE_11:
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case Effect::RINGTONE_12:
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case Effect::RINGTONE_13:
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case Effect::RINGTONE_14:
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case Effect::RINGTONE_15:
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return 30000;
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}
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*status = ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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return 0;
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}
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} // namespace vibrator
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} // namespace hardware
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} // namespace android
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} // namespace aidl
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