ffa2805f2c
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
65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
/*
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* SPDX-FileCopyrightText: 2019 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 "KeyDisabler.h"
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namespace {
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constexpr const char kControlPath[] = "/proc/touchpanel/key_disable";
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constexpr const char kFpcPath[] =
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"/sys/module/fpc1020_tee/parameters/ignor_home_for_ESD";
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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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KeyDisabler::KeyDisabler() : has_key_disabler_(!access(kControlPath, R_OK | W_OK)) {}
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ndk::ScopedAStatus KeyDisabler::getEnabled(bool* _aidl_return) {
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if (!has_key_disabler_) {
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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 controlBuf, fpcBuf;
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if (!android::base::ReadFileToString(kControlPath, &controlBuf) ||
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!android::base::ReadFileToString(kFpcPath, &fpcBuf)) {
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LOG(ERROR) << "Failed to read key disabler state files";
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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 = android::base::Trim(controlBuf) == "0" && android::base::Trim(fpcBuf) == "0";
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus KeyDisabler::setEnabled(bool enabled) {
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if (!has_key_disabler_) {
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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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if (!android::base::WriteStringToFile((enabled ? "1" : "0"), kFpcPath)) {
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LOG(ERROR) << "Failed to write " << kFpcPath;
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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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