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134 lines
3.8 KiB
134 lines
3.8 KiB
/*
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* Copyright (C) 2020 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 "VibrationElement.h"
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#include <android-base/stringprintf.h>
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#include <algorithm>
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#include <cinttypes>
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using android::base::StringPrintf;
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namespace android {
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// VibrationElement implementations
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VibrationElement::VibrationElement(size_t channelNum) {
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channels.reserve(channelNum);
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}
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VibrationElement::VibrationElement(const VibrationElement& other) {
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duration = other.duration;
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channels.resize(other.channels.size());
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for (size_t i = 0; i < other.channels.size(); i++) {
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channels[i].first = other.channels[i].first;
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channels[i].second = other.channels[i].second;
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}
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}
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const std::string VibrationElement::toString() const {
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std::string dump;
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dump += StringPrintf("[duration=%lldms, channels=[", duration.count());
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for (auto it = channels.begin(); it != channels.end(); ++it) {
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dump += std::to_string(it->first);
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dump += " : ";
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dump += std::to_string(it->second);
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if (std::next(it) != channels.end()) {
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dump += ", ";
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}
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}
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dump += "]]";
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return dump;
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}
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uint16_t VibrationElement::getMagnitude(int32_t vibratorId) const {
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auto it =
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std::find_if(channels.begin(), channels.end(),
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[vibratorId](const std::pair<int32_t /*vibratorId*/, uint8_t /*amplitude*/>
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pair) { return pair.first == vibratorId; });
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if (it == channels.end()) {
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return 0;
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}
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// convert range [0,255] to [0,65535] (android framework to linux ff ranges)
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return static_cast<uint16_t>(it->second) << 8;
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}
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bool VibrationElement::isOn() const {
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return std::any_of(channels.begin(), channels.end(),
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[](const auto& channel) { return channel.second != 0; });
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}
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void VibrationElement::addChannel(int32_t vibratorId, uint8_t amplitude) {
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channels.push_back(std::make_pair(vibratorId, amplitude));
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}
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bool VibrationElement::operator==(const VibrationElement& other) const {
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if (duration != other.duration || channels.size() != other.channels.size()) {
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return false;
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}
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for (size_t i = 0; i < CHANNEL_SIZE; i++) {
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if (channels[i] != other.channels[i]) {
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return false;
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}
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}
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return true;
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}
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bool VibrationElement::operator!=(const VibrationElement& other) const {
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return !(*this == other);
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}
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// VibrationSequence implementations
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VibrationSequence::VibrationSequence(size_t length) {
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pattern.reserve(length);
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}
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void VibrationSequence::operator=(const VibrationSequence& other) {
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pattern = other.pattern;
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}
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bool VibrationSequence::operator==(const VibrationSequence& other) const {
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if (pattern.size() != other.pattern.size()) {
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return false;
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}
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for (size_t i = 0; i < pattern.size(); i++) {
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if (pattern[i] != other.pattern[i]) {
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return false;
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}
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}
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return true;
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}
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void VibrationSequence::addElement(VibrationElement element) {
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pattern.push_back(element);
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}
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const std::string VibrationSequence::toString() const {
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std::string dump;
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dump += "[";
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for (const auto& element : pattern) {
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dump += element.toString();
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dump += " ";
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}
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dump += "]";
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return dump;
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}
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} // namespace android
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