Add controls for vibrator force

patch2: Correct caps typos and gramatical errors

Change-Id: I3fe3d626ef4194b0385d7ea97b17fac88e17811b

7 files changed, 337 insertions, 2 deletions

diff --git a/GNexusParts/res/layout/preference_dialog_vibrator_tuning.xml b/GNexusParts/res/layout/preference_dialog_vibrator_tuning.xml
new file mode 100644
index 0000000..2b6e077
--- /dev/null
+++ b/GNexusParts/res/layout/preference_dialog_vibrator_tuning.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+    <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center_horizontal"
+            android:paddingBottom="20dip">
+
+        <TextView android:id="@+id/vibrator_text"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/vibrator_title"
+                android:paddingTop="10dip"
+                android:paddingLeft="20dip"
+                android:paddingRight="20dip" />
+        <TextView android:id="@+id/vibrator_value"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentRight="true"
+                android:paddingTop="10dip"
+                android:paddingLeft="20dip"
+                android:paddingRight="20dip" />
+        <SeekBar android:id="@+id/vibrator_seekbar"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_below="@id/vibrator_text"
+                android:paddingTop="2dip"
+                android:paddingLeft="20dip"
+                android:paddingRight="20dip" />
+
+        <LinearLayout
+            android:id="@+id/linearLayout1"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_below="@+id/vibrator_seekbar" >
+
+            <Button
+                android:id="@+id/btnvibratorDefault"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/vibrator_default_title" />
+
+        </LinearLayout>
+
+    </RelativeLayout>
+</ScrollView>
diff --git a/GNexusParts/res/values/strings.xml b/GNexusParts/res/values/strings.xml
index 37264c0..5bc261d 100644
--- a/GNexusParts/res/values/strings.xml
+++ b/GNexusParts/res/values/strings.xml
@@ -25,6 +25,13 @@
     <string name="color_dark_title">Dark Sett.</string>
     <string name="gamma_dss_title">DSS Gamma Set.</string>
 
+    <string name="category_hardware_title">CPU</string>
+    <string name="vibrator_tuning_title_head">Vibrator feedback tuning</string>
+    <string name="vibrator_tuning_summary_head">Controls the default power of vibrator feedback</string>
+
+    <string name="vibrator_title">Vibration %</string>
+    <string name="vibrator_default_title">Default</string>
+
     <string name="preset1_default_title">Default.</string>
     <string name="preset2_default_title">Natural</string>
     <string name="preset3_default_title">Dark Blue</string>
diff --git a/GNexusParts/res/xml/general_preferences.xml b/GNexusParts/res/xml/general_preferences.xml
index fc07c42..73c1495 100644
--- a/GNexusParts/res/xml/general_preferences.xml
+++ b/GNexusParts/res/xml/general_preferences.xml
@@ -2,8 +2,14 @@
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
 
     <!-- General settings -->
-    <PreferenceCategory android:key="category_cpu"
-        android:title="@string/category_cpu_title">
+    <PreferenceCategory android:key="category_hardware"
+        android:title="@string/category_hardware_title">
+    <com.cyanogenmod.settings.device.VibratorTuningPreference
+        android:key="vibrator_tuning"
+        android:title="@string/vibrator_tuning_title_head"
+        android:summary="@string/vibrator_tuning_summary_head"
+        />
+
 
     </PreferenceCategory>
 
diff --git a/GNexusParts/src/com/cyanogenmod/settings/device/DeviceSettings.java b/GNexusParts/src/com/cyanogenmod/settings/device/DeviceSettings.java
index e131654..3499565 100644
--- a/GNexusParts/src/com/cyanogenmod/settings/device/DeviceSettings.java
+++ b/GNexusParts/src/com/cyanogenmod/settings/device/DeviceSettings.java
@@ -43,6 +43,7 @@ public class DeviceSettings extends Activity {
     public static final String ACTION_UPDATE_PREFERENCES = "com.cyanogenmod.settings.device.UPDATE";
     public static final String KEY_COLOR_TUNING = "color_tuning";
     public static final String KEY_GAMMA_TUNING = "gamma_tuning";
+    public static final String KEY_VIBRATOR_TUNING = "vibrator_tuning";
     public static final String KEY_CATEGORY_RADIO = "category_radio";
     public static final String KEY_HSPA = "hspa";
 
diff --git a/GNexusParts/src/com/cyanogenmod/settings/device/GeneralFragmentActivity.java b/GNexusParts/src/com/cyanogenmod/settings/device/GeneralFragmentActivity.java
index ca1b155..0a99c77 100644
--- a/GNexusParts/src/com/cyanogenmod/settings/device/GeneralFragmentActivity.java
+++ b/GNexusParts/src/com/cyanogenmod/settings/device/GeneralFragmentActivity.java
@@ -35,6 +35,8 @@ public class GeneralFragmentActivity extends PreferenceFragment {
     private static final String PREF_ENABLED = "1";
     private static final String TAG = "GNexusParts_General";
 
+    private VibratorTuningPreference mVibratorTuning;
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -43,6 +45,8 @@ public class GeneralFragmentActivity extends PreferenceFragment {
 
         PreferenceScreen prefSet = getPreferenceScreen();
 
+        mVibratorTuning = (VibratorTuningPreference) findPreference(DeviceSettings.KEY_VIBRATOR_TUNING);
+        mVibratorTuning.setEnabled(VibratorTuningPreference.isSupported());
     }
 
     @Override
diff --git a/GNexusParts/src/com/cyanogenmod/settings/device/Startup.java b/GNexusParts/src/com/cyanogenmod/settings/device/Startup.java
index 302e951..ba4aeee 100644
--- a/GNexusParts/src/com/cyanogenmod/settings/device/Startup.java
+++ b/GNexusParts/src/com/cyanogenmod/settings/device/Startup.java
@@ -11,6 +11,7 @@ public class Startup extends BroadcastReceiver {
         ColorTuningPreference.restore(context);
         GammaTuningPreference.restore(context);
         GeneralFragmentActivity.restore(context);
+        VibratorTuningPreference.restore(context);
         if (Hspa.isSupported()) {
             Hspa.restore(context);
         }
diff --git a/GNexusParts/src/com/cyanogenmod/settings/device/VibratorTuningPreference.java b/GNexusParts/src/com/cyanogenmod/settings/device/VibratorTuningPreference.java
new file mode 100644
index 0000000..217ffec
--- /dev/null
+++ b/GNexusParts/src/com/cyanogenmod/settings/device/VibratorTuningPreference.java
@@ -0,0 +1,266 @@
+/*
+ * Copyright (C) 2011 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 com.cyanogenmod.settings.device;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.Editor;
+import android.preference.DialogPreference;
+import android.preference.PreferenceManager;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.SeekBar;
+import android.widget.TextView;
+import android.widget.Button;
+import android.util.Log;
+
+/**
+ * Special preference type that allows configuration of both the ring volume and
+ * notification volume.
+ */
+public class VibratorTuningPreference extends DialogPreference implements OnClickListener {
+
+    private static final String TAG = "vibrator...";
+
+    private static final int[] SEEKBAR_ID = new int[] {
+            R.id.vibrator_seekbar
+    };
+
+    private static final int[] VALUE_DISPLAY_ID = new int[] {
+            R.id.vibrator_value
+    };
+
+    private static final String[] FILE_PATH = new String[] {
+            "/sys/vibrator/pwmvalue",
+    };
+
+    private vibratorSeekBar mSeekBars[] = new vibratorSeekBar[1];
+
+    private static final int MAX_VALUE = 100;
+
+    private static final int OFFSET_VALUE = 0;
+
+    // Track instances to know when to restore original color
+    // (when the orientation changes, a new dialog is created before the old one
+    // is destroyed)
+    private static int sInstances = 0;
+
+    public VibratorTuningPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+
+        setDialogLayoutResource(R.layout.preference_dialog_vibrator_tuning);
+    }
+
+    @Override
+    protected void onBindDialogView(View view) {
+        super.onBindDialogView(view);
+
+        sInstances++;
+
+        for (int i = 0; i < SEEKBAR_ID.length; i++) {
+            SeekBar seekBar = (SeekBar) view.findViewById(SEEKBAR_ID[i]);
+            TextView valueDisplay = (TextView) view.findViewById(VALUE_DISPLAY_ID[i]);
+            if (i < 3)
+                mSeekBars[i] = new vibratorSeekBar(seekBar, valueDisplay, FILE_PATH[i], OFFSET_VALUE, MAX_VALUE);
+            else
+                mSeekBars[i] = new vibratorSeekBar(seekBar, valueDisplay, FILE_PATH[i], 0, 10);
+        }
+        SetupButtonClickListeners(view);
+    }
+
+    private void SetupButtonClickListeners(View view) {
+            Button mDefaultButton = (Button)view.findViewById(R.id.btnvibratorDefault);
+            mDefaultButton.setOnClickListener(this);
+    }
+
+    @Override
+    protected void onDialogClosed(boolean positiveResult) {
+        super.onDialogClosed(positiveResult);
+
+        sInstances--;
+
+        if (positiveResult) {
+            for (vibratorSeekBar csb : mSeekBars) {
+                csb.save();
+            }
+        } else if (sInstances == 0) {
+            for (vibratorSeekBar csb : mSeekBars) {
+                csb.reset();
+            }
+        }
+    }
+
+    /**
+     * Restore screen color tuning from SharedPreferences. (Write to kernel.)
+     *
+     * @param context The context to read the SharedPreferences from
+     */
+    public static void restore(Context context) {
+        if (!isSupported()) {
+            return;
+        }
+
+        SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context);
+
+        Boolean bFirstTime = sharedPrefs.getBoolean("FirstTimevibrator", true);
+        for (String filePath : FILE_PATH) {
+            String sDefaultValue = Utils.readOneLine(filePath);
+            int iValue = sharedPrefs.getInt(filePath, Integer.valueOf(sDefaultValue));
+            if (bFirstTime)
+                Utils.writeValue(filePath, "127");
+            else
+                Utils.writeValue(filePath, String.valueOf((long) iValue));
+        }
+        if (bFirstTime)
+        {
+            SharedPreferences.Editor editor = sharedPrefs.edit();
+            editor.putBoolean("FirstTimevibrator", false);
+            editor.commit();
+        }
+    }
+
+    /**
+     * Check whether the running kernel supports color tuning or not.
+     *
+     * @return Whether color tuning is supported or not
+     */
+    public static boolean isSupported() {
+        boolean supported = true;
+        for (String filePath : FILE_PATH) {
+            if (!Utils.fileExists(filePath)) {
+                supported = false;
+            }
+        }
+
+        return supported;
+    }
+
+    class vibratorSeekBar implements SeekBar.OnSeekBarChangeListener {
+
+        private String mFilePath;
+
+        private int mOriginal;
+
+        private SeekBar mSeekBar;
+
+        private TextView mValueDisplay;
+
+        private int iOffset;
+
+        private int iMax;
+
+        public vibratorSeekBar(SeekBar seekBar, TextView valueDisplay, String filePath, Integer offsetValue, Integer maxValue) {
+            int iValue;
+
+            mSeekBar = seekBar;
+            mValueDisplay = valueDisplay;
+            mFilePath = filePath;
+            iOffset = offsetValue;
+            iMax = maxValue;
+
+            SharedPreferences sharedPreferences = getSharedPreferences();
+
+            // Read original value
+            if (Utils.fileExists(mFilePath)) {
+                String sDefaultValue = Utils.readOneLine(mFilePath);
+                iValue = convertVibratorToAverage(Integer.valueOf(sDefaultValue));
+            } else {
+                iValue = iMax - iOffset;
+            }
+            mOriginal = iValue;
+
+            mSeekBar.setMax(iMax);
+
+            reset();
+            mSeekBar.setOnSeekBarChangeListener(this);
+        }
+
+        public void reset() {
+            int iValue;
+
+            iValue = mOriginal + iOffset;
+            mSeekBar.setProgress(iValue);
+            updateValue(mOriginal);
+        }
+
+        public void save() {
+            int iValue;
+
+            iValue = mSeekBar.getProgress() - iOffset;
+            Editor editor = getEditor();
+            editor.putInt(mFilePath, convertAverageToVibrator(iValue));
+            editor.commit();
+        }
+
+        @Override
+        public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+            int iValue;
+
+            iValue = progress - iOffset;
+            Utils.writeValue(mFilePath, String.valueOf((long) convertAverageToVibrator(iValue)));
+            updateValue(iValue);
+        }
+
+        @Override
+        public void onStartTrackingTouch(SeekBar seekBar) {
+            // Do nothing
+        }
+
+        @Override
+        public void onStopTrackingTouch(SeekBar seekBar) {
+            // Do nothing
+        }
+
+        private void updateValue(int progress) {
+            mValueDisplay.setText(String.format("%d", (int) progress));
+        }
+
+        public void setNewValue(int iValue) {
+            mOriginal = iValue;
+            reset();
+        }
+
+        private int convertAverageToVibrator(int averageValue) {
+            int resultVibrator;
+
+            resultVibrator = (averageValue * 127) / 100;
+            return resultVibrator;
+        }
+
+        private int convertVibratorToAverage(int resultVibrator) {
+            int averageValue;
+
+            averageValue = (resultVibrator * 100) / 127;
+            return resultVibrator;
+        }
+
+    }
+
+    public void onClick(View v) {
+        switch(v.getId()){
+            case R.id.btnvibratorDefault:
+                    setDefaultSettings();
+                    break;
+        }
+    }
+
+    private void setDefaultSettings() {
+        mSeekBars[0].setNewValue(127);
+    }
+
+}