/* * Copyright (C) 2019,2021 The LineageOS 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 #include #include #include "KeyDisabler.h" using ::android::base::ReadFileToString; using ::android::base::Trim; using ::android::base::WriteStringToFile; namespace vendor { namespace lineage { namespace touch { namespace V1_0 { namespace implementation { constexpr const char kControlPath[] = "/sys/devices/soc/soc:fpc1020/utouch_disable"; KeyDisabler::KeyDisabler() { has_key_disabler_ = !access(kControlPath, F_OK); } // Methods from ::vendor::lineage::touch::V1_0::IKeyDisabler follow. Return KeyDisabler::isEnabled() { std::string buf; if (!has_key_disabler_) return false; if (!ReadFileToString(kControlPath, &buf, true)) { LOG(ERROR) << "Failed to read " << kControlPath; return false; } return Trim(buf) == "1"; } Return KeyDisabler::setEnabled(bool enabled) { if (!has_key_disabler_) return false; if (!WriteStringToFile(enabled ? "1" : "0", kControlPath, true)) { LOG(ERROR) << "Failed to write " << kControlPath; return false; } return true; } } // namespace implementation } // namespace V1_0 } // namespace touch } // namespace lineage } // namespace vendor