c8b2af03c9
Co-authored-by: dianlujitao <dianlujitao@lineageos.org> Co-authored-by: Edwin Moquete <edwinmmoquete@gmail.com> Co-authored-by: Bruno Martins <bgcngm@gmail.com> Change-Id: I10545e3f16475973135105f94c5821f96adfd369
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*
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* SPDX-FileCopyrightText: 2019-2025 The LineageOS Project
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <android-base/file.h>
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#include <android-base/logging.h>
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#include <android-base/strings.h>
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#include "KeySwapper.h"
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namespace {
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constexpr const char kControlPath[] = "/proc/s1302/key_rep";
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}; // anonymous namespace
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namespace aidl {
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namespace vendor {
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namespace lineage {
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namespace touch {
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KeySwapper::KeySwapper() : has_key_swapper_(!access(kControlPath, R_OK | W_OK)) {}
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ndk::ScopedAStatus KeySwapper::getEnabled(bool* _aidl_return) {
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if (!has_key_swapper_) {
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*_aidl_return = false;
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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std::string buf;
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if (!android::base::ReadFileToString(kControlPath, &buf)) {
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LOG(ERROR) << "Failed to read " << kControlPath;
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*_aidl_return = false;
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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*_aidl_return = std::stoi(android::base::Trim(buf)) == 1;
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus KeySwapper::setEnabled(bool enabled) {
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if (!has_key_swapper_) {
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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if (!android::base::WriteStringToFile(std::to_string(enabled), kControlPath)) {
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LOG(ERROR) << "Failed to write " << kControlPath;
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return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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return ndk::ScopedAStatus::ok();
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}
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} // namespace touch
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} // namespace lineage
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} // namespace vendor
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} // namespace aidl
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