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