Change-Id: I811f721dab1381d637086782a8fd850051981174tirimbino
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/* |
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* Copyright (C) 2014 The CyanogenMod Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.cyanogenmod.hardware; |
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import org.cyanogenmod.hardware.util.FileUtils; |
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import java.io.BufferedReader; |
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import java.io.File; |
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import java.io.FileReader; |
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import java.io.IOException; |
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import android.util.Log; |
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/** |
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* Glove mode / high touch sensitivity |
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*/ |
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public class HighTouchSensitivity { |
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private static String TAG = "HighTouchSensitivity"; |
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private static String COMMAND_PATH = "/sys/class/sec/tsp/cmd"; |
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private static String COMMAND_LIST_PATH = "/sys/class/sec/tsp/cmd_list"; |
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private static String COMMAND_RESULT_PATH = "/sys/class/sec/tsp/cmd_result"; |
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private static String GLOVE_MODE = "glove_mode"; |
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private static String GLOVE_MODE_ENABLE = "glove_mode,1"; |
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private static String GLOVE_MODE_DISABLE = "glove_mode,0"; |
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private static String STATUS_OK = ":OK"; |
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/** |
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* Whether device supports high touch sensitivity. |
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* |
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* @return boolean Supported devices must return always true |
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*/ |
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public static boolean isSupported() { |
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File f = new File(COMMAND_PATH); |
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if (f.exists()) { |
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BufferedReader reader = null; |
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try { |
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String currentLine; |
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reader = new BufferedReader(new FileReader(COMMAND_LIST_PATH)); |
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while ((currentLine = reader.readLine()) != null) { |
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if (GLOVE_MODE.equals(currentLine)) |
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return true; |
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} |
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} catch (IOException e) { |
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// Ignore exception, will be false anyway
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} finally { |
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if (reader != null) { |
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try { |
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reader.close(); |
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} catch (IOException e) { |
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// Ignore exception, no recovery possible
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} |
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} |
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} |
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} |
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return false; |
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} |
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/** This method returns the current activation status of high touch sensitivity |
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* |
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* @return boolean Must be false if high touch sensitivity is not supported or not activated, |
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* or the operation failed while reading the status; true in any other case. |
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*/ |
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public static boolean isEnabled() { |
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return FileUtils.readOneLine(COMMAND_RESULT_PATH).equals(GLOVE_MODE_ENABLE + STATUS_OK); |
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} |
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/** |
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* This method allows to setup high touch sensitivity status. |
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* |
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* @param status The new high touch sensitivity status |
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* @return boolean Must be false if high touch sensitivity is not supported or the operation |
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* failed; true in any other case. |
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*/ |
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public static boolean setEnabled(boolean status) { |
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return FileUtils.writeLine(COMMAND_PATH, status ? GLOVE_MODE_ENABLE : GLOVE_MODE_DISABLE); |
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} |
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} |
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