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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 {
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);
if (std::next(it) != channels.end()) {
dump += ", ";
}
}
dump += "]]";
return dump;
}
uint16_t VibrationElement::getMagnitude(size_t channelIdx) const {
if (channelIdx >= channels.size()) {
return 0;
}
// convert range [0,255] to [0,65535] (android framework to linux ff ranges)
return static_cast<uint16_t>(channels[channelIdx]) << 8;
}
bool VibrationElement::isOn() const {
return std::any_of(channels.begin(), channels.end(),
[](uint16_t channel) { return channel != 0; });
}
} // namespace android
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