/*
 * Copyright (C) 2014 The CyanogenMod 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;

/*
 * Disable capacitive keys
 *
 * This is intended for use on devices in which the capacitive keys
 * can be fully disabled for replacement with a soft navbar. You
 * really should not be using this on a device with mechanical or
 * otherwise visible-when-inactive keys
 */

public class KeyDisabler {

    private static String CONTROL_PATH = "/sys/class/sec/sec_touchkey/input/enabled";

    public static boolean isSupported() {
        return FileUtils.isFileWritable(CONTROL_PATH);
    }

    public static boolean isActive() {
        if (KeyDisabler.isSupported()) {
            return FileUtils.readOneLine(CONTROL_PATH).equals("0");
        }
        return true;
    }

    public static boolean setActive(boolean state) {
        if (KeyDisabler.isSupported()) {
            return FileUtils.writeLine(CONTROL_PATH, (state ? "0" : "1"));
        }
        return false;
    }

}

@@ -991,16 +991,96 @@
 bler %7B%0A%0A
+    private static String NAME_PATH = %22/sys/class/sec/sec_touchkey/input/name%22;%0A
     priv
@@ -1207,32 +1207,103 @@
 %0A        return 
+FileUtils.readOneLine(NAME_PATH).equals(%22sec_touchkey%22) &&%0A            
 FileUtils.isFile

validate used control-file in KeyDisabler