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