From 7cc56139f1263a5eda3d6f04b8fbd22d7118ed5f Mon Sep 17 00:00:00 2001 From: Xiao-Long Chen Date: Thu, 11 Sep 2014 15:13:48 -0700 Subject: [PATCH] samsung: hardware: Add HighTouchSensitivity class Change-Id: I811f721dab1381d637086782a8fd850051981174 --- .../hardware/HighTouchSensitivity.java | 93 +++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 cmhw/org/cyanogenmod/hardware/HighTouchSensitivity.java diff --git a/cmhw/org/cyanogenmod/hardware/HighTouchSensitivity.java b/cmhw/org/cyanogenmod/hardware/HighTouchSensitivity.java new file mode 100644 index 00000000..b968be41 --- /dev/null +++ b/cmhw/org/cyanogenmod/hardware/HighTouchSensitivity.java @@ -0,0 +1,93 @@ +/* + * 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.cyanogenmod.hardware; + +import org.cyanogenmod.hardware.util.FileUtils; + +import java.io.BufferedReader; +import java.io.File; +import java.io.FileReader; +import java.io.IOException; + +import android.util.Log; + +/** + * Glove mode / high touch sensitivity + */ +public class HighTouchSensitivity { + + private static String TAG = "HighTouchSensitivity"; + + private static String COMMAND_PATH = "/sys/class/sec/tsp/cmd"; + private static String COMMAND_LIST_PATH = "/sys/class/sec/tsp/cmd_list"; + private static String COMMAND_RESULT_PATH = "/sys/class/sec/tsp/cmd_result"; + private static String GLOVE_MODE = "glove_mode"; + private static String GLOVE_MODE_ENABLE = "glove_mode,1"; + private static String GLOVE_MODE_DISABLE = "glove_mode,0"; + private static String STATUS_OK = ":OK"; + + /** + * Whether device supports high touch sensitivity. + * + * @return boolean Supported devices must return always true + */ + public static boolean isSupported() { + File f = new File(COMMAND_PATH); + if (f.exists()) { + BufferedReader reader = null; + try { + String currentLine; + reader = new BufferedReader(new FileReader(COMMAND_LIST_PATH)); + while ((currentLine = reader.readLine()) != null) { + if (GLOVE_MODE.equals(currentLine)) + return true; + } + } catch (IOException e) { + // Ignore exception, will be false anyway + } finally { + if (reader != null) { + try { + reader.close(); + } catch (IOException e) { + // Ignore exception, no recovery possible + } + } + } + } + return false; + } + + /** 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 FileUtils.readOneLine(COMMAND_RESULT_PATH).equals(GLOVE_MODE_ENABLE + STATUS_OK); + } + + /** + * This method allows to setup high touch sensitivity status. + * + * @param status 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 status) { + return FileUtils.writeLine(COMMAND_PATH, status ? GLOVE_MODE_ENABLE : GLOVE_MODE_DISABLE); + } +}