| /* |
| * 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 |