android_device_sony_satsuki/lineagehw/HighTouchSensitivity.java
2019-12-15 20:33:17 -05:00

59 lines
2.0 KiB
Java

/*
* Copyright (C) 2017 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.
*/
package org.lineageos.hardware;
import org.lineageos.internal.util.FileUtils;
/**
* Glove mode / high touch sensitivity
*/
public class HighTouchSensitivity {
private static final String FILE_MODE = "/sys/devices/virtual/input/clearpad/glove";
private static final String ENABLED = "1";
private static final String DISABLED = "0";
/**
* Whether device supports high touch sensitivity.
*
* @return boolean Supported devices must return always true
*/
public static boolean isSupported() {
return FileUtils.isFileReadable(FILE_MODE) &&
FileUtils.isFileWritable(FILE_MODE);
}
/** This method returns the current activation status of high touch sensitivity
*
* @return boolean Must be false if high touch sensitivity is not supported or not activated,
* or the operation failed while reading the status; true in any other case.
*/
public static boolean isEnabled() {
return ENABLED.equals(FileUtils.readOneLine(FILE_MODE));
}
/**
* This method allows to setup high touch sensitivity status.
*
* @param state The new high touch sensitivity status
* @return boolean Must be false if high touch sensitivity is not supported or the operation
* failed; true in any other case.
*/
public static boolean setEnabled(boolean state) {
return FileUtils.writeLine(FILE_MODE, state ? ENABLED : DISABLED);
}
}