t0lte: user configureable voice/streaming volumes [2/2]

relies on http://review.cyanogenmod.org/#/c/43834/

Change-Id: I03367bf0424257d906a6c8e059e4ca6d9faa7dec

1 files changed, 269 insertions, 0 deletions

diff --git a/DeviceSettings/src/com/cyanogenmod/settings/device/AudioOut.java b/DeviceSettings/src/com/cyanogenmod/settings/device/AudioOut.java
new file mode 100644
index 0000000..e3b5b9f
--- /dev/null
+++ b/DeviceSettings/src/com/cyanogenmod/settings/device/AudioOut.java
@@ -0,0 +1,269 @@
+/*
+ * Copyright (C) 2013 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.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.SharedPreferences;
+import android.content.SharedPreferences.Editor;
+import android.graphics.Color;
+import android.graphics.LightingColorFilter;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.LayerDrawable;
+import android.os.Bundle;
+import android.os.Vibrator;
+import android.preference.DialogPreference;
+import android.preference.PreferenceManager;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.View;
+import android.widget.SeekBar;
+import android.widget.TextView;
+import android.widget.Button;
+
+import java.lang.Math;
+import java.text.DecimalFormat;
+
+/**
+ * Special preference type that allows configuration of audio out volume on some smdk4412
+ * Devices
+ */
+public class AudioOut extends DialogPreference implements SeekBar.OnSeekBarChangeListener {
+    private static final String TAG = "DeviceSettings_AudioOut";
+
+    private static String AUDIOOUT_HEADPHONE_FILE = "/data/local/audio/out_headphone";
+    private static String AUDIOOUT_SPEAKER_FILE = "/data/local/audio/out_speaker";
+    private static int MAX_VALUE;
+    private static int WARNING_THRESHOLD;
+    private static int DEFAULT_VALUE;
+    private static int MIN_VALUE;
+
+    private SeekBar mHeadphoneSeekBar;
+    private SeekBar mSpeakerSeekBar;
+    private TextView mHeadphoneValue;
+    private TextView mSpeakerValue;
+    private TextView mWarning;
+
+    private String mHeadphoneOgValue;
+    private String mSpeakerOgValue;
+    private int mHeadphoneOgPercent;
+    private int mSpeakerOgPercent;
+
+    private Drawable mHeadphoneProgressDrawable;
+    private Drawable mSpeakerProgressDrawable;
+    private Drawable mHeadphoneProgressThumb;
+    private Drawable mSpeakerProgressThumb;
+    private LightingColorFilter mRedFilter;
+
+    private enum Device {
+        headphone,
+        speaker
+    }
+
+    public AudioOut(Context context, AttributeSet attrs) {
+        super(context, attrs);
+
+        MAX_VALUE = Integer.valueOf(context.getResources().getString(R.string.audioout_max_value));
+        WARNING_THRESHOLD = Integer.valueOf(context.getResources().getString(R.string.audioout_warning_threshold));
+        DEFAULT_VALUE = Integer.valueOf(context.getResources().getString(R.string.audioout_default_value));
+        MIN_VALUE = Integer.valueOf(context.getResources().getString(R.string.audioout_min_value));
+
+        setDialogLayoutResource(R.layout.preference_dialog_output_audio_tuning);
+    }
+
+    @Override
+    protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
+        builder.setNeutralButton(R.string.defaults_button, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+            }
+        });
+    }
+
+    @Override
+    protected void onBindDialogView(View view) {
+        super.onBindDialogView(view);
+
+        mHeadphoneSeekBar = (SeekBar) view.findViewById(R.id.audioout_headphone_seekbar);
+        mHeadphoneValue = (TextView) view.findViewById(R.id.audioout_headphone_value);
+        mSpeakerSeekBar = (SeekBar) view.findViewById(R.id.audioout_speaker_seekbar);
+        mSpeakerValue = (TextView) view.findViewById(R.id.audioout_speaker_value);
+        mWarning = (TextView) view.findViewById(R.id.audioout_textWarn);
+
+        String strWarnMsg = getContext().getResources().getString(R.string.audioout_warning, volumeToPercent(WARNING_THRESHOLD));
+        mWarning.setText(strWarnMsg);
+
+        Drawable progressDrawableHeadphone = mHeadphoneSeekBar.getProgressDrawable();
+        if (progressDrawableHeadphone instanceof LayerDrawable) {
+            LayerDrawable ldHeadphone = (LayerDrawable) progressDrawableHeadphone;
+            mHeadphoneProgressDrawable = ldHeadphone.findDrawableByLayerId(android.R.id.progress);
+        }
+        Drawable progressDrawableSpeaker = mSpeakerSeekBar.getProgressDrawable();
+        if (progressDrawableSpeaker instanceof LayerDrawable) {
+            LayerDrawable ldSpeaker = (LayerDrawable) progressDrawableSpeaker;
+            mSpeakerProgressDrawable = ldSpeaker.findDrawableByLayerId(android.R.id.progress);
+        }
+
+        mHeadphoneProgressThumb = mHeadphoneSeekBar.getThumb();
+        mSpeakerProgressThumb = mSpeakerSeekBar.getThumb();
+
+        mRedFilter = new LightingColorFilter(Color.BLACK,
+                getContext().getResources().getColor(android.R.color.holo_red_light));
+
+        mHeadphoneOgValue = Utils.readOneLine(AUDIOOUT_HEADPHONE_FILE);
+        mHeadphoneOgPercent = volumeToPercent(Integer.parseInt(mHeadphoneOgValue));
+
+        mHeadphoneSeekBar.setOnSeekBarChangeListener(this);
+        mHeadphoneSeekBar.setProgress(Integer.valueOf(mHeadphoneOgPercent));
+
+        mSpeakerOgValue = Utils.readOneLine(AUDIOOUT_SPEAKER_FILE);
+        mSpeakerOgPercent = volumeToPercent(Integer.parseInt(mSpeakerOgValue));
+
+        mSpeakerSeekBar.setOnSeekBarChangeListener(this);
+        mSpeakerSeekBar.setProgress(Integer.valueOf(mSpeakerOgPercent));
+    }
+
+    @Override
+    protected void showDialog(Bundle state) {
+        super.showDialog(state);
+
+        // can't use onPrepareDialogBuilder for this as we want the dialog
+        // to be kept open on click
+        AlertDialog d = (AlertDialog) getDialog();
+        Button defaultsButton = d.getButton(DialogInterface.BUTTON_NEUTRAL);
+        defaultsButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                mHeadphoneSeekBar.setProgress(volumeToPercent(DEFAULT_VALUE));
+                mSpeakerSeekBar.setProgress(volumeToPercent(DEFAULT_VALUE));
+            }
+        });
+    }
+
+    @Override
+    protected void onDialogClosed(boolean positiveResult) {
+        super.onDialogClosed(positiveResult);
+        int volumeHeadphone, volumeSpeaker;
+
+        if (positiveResult) {
+            Editor editor = getEditor();
+
+            volumeHeadphone = percentToVolume(mHeadphoneSeekBar.getProgress());
+            editor.putString(AUDIOOUT_HEADPHONE_FILE, String.valueOf(volumeHeadphone));
+            volumeSpeaker = percentToVolume(mSpeakerSeekBar.getProgress());
+            editor.putString(AUDIOOUT_SPEAKER_FILE, String.valueOf(volumeSpeaker));
+            editor.commit();
+        } else {
+            Utils.writeValue(AUDIOOUT_HEADPHONE_FILE, String.valueOf(mHeadphoneOgPercent));
+            Utils.writeValue(AUDIOOUT_SPEAKER_FILE, String.valueOf(mSpeakerOgPercent));
+        }
+    }
+
+    public static void restore(Context context) {
+        SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(context);
+
+        if (isSupported("headphone"))
+            Utils.writeValue(AUDIOOUT_HEADPHONE_FILE, sharedPrefs.getString(AUDIOOUT_HEADPHONE_FILE, "50"));
+        if (isSupported("speaker"))
+            Utils.writeValue(AUDIOOUT_SPEAKER_FILE, sharedPrefs.getString(AUDIOOUT_SPEAKER_FILE, "50"));
+    }
+
+    public static boolean isSupported(String output) {
+        String FILE = null;
+        Device outputDevice = Device.valueOf(output);
+
+        switch(outputDevice) {
+            case headphone:
+                FILE = AUDIOOUT_HEADPHONE_FILE;
+            case speaker:
+                FILE = AUDIOOUT_SPEAKER_FILE;
+        }
+        return Utils.fileExists(FILE);
+    }
+
+    @Override
+    public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+        boolean shouldWarn = progress >= volumeToPercent(WARNING_THRESHOLD);
+        int stepSize = 1;
+        progress = Math.round(progress/stepSize)*stepSize;
+
+        if(seekBar == mHeadphoneSeekBar){
+            if (mHeadphoneProgressDrawable != null) {
+                mHeadphoneProgressDrawable.setColorFilter(shouldWarn ? mRedFilter : null);
+            }
+            if (mHeadphoneProgressThumb != null) {
+                mHeadphoneProgressThumb.setColorFilter(shouldWarn ? mRedFilter : null);
+            }
+            mHeadphoneSeekBar.setProgress(progress);
+            Utils.writeValue(AUDIOOUT_HEADPHONE_FILE, String.valueOf(percentToVolume(progress)));
+            mHeadphoneValue.setText(String.format("%d%%", progress));
+        }else if(seekBar == mSpeakerSeekBar){
+            if (mSpeakerProgressDrawable != null) {
+                mSpeakerProgressDrawable.setColorFilter(shouldWarn ? mRedFilter : null);
+            }
+            if (mSpeakerProgressThumb != null) {
+                mSpeakerProgressThumb.setColorFilter(shouldWarn ? mRedFilter : null);
+            }
+            mSpeakerSeekBar.setProgress(progress);
+            Utils.writeValue(AUDIOOUT_SPEAKER_FILE, String.valueOf(percentToVolume(progress)));
+            mSpeakerValue.setText(String.format("%d%%", progress));
+        }
+    }
+
+    @Override
+    public void onStartTrackingTouch(SeekBar seekBar) {
+        // Do nothing
+    }
+
+    @Override
+    public void onStopTrackingTouch(SeekBar seekBar) {
+        //Vibrator vib = (Vibrator) getContext().getSystemService(Context.VIBRATOR_SERVICE);
+        //vib.vibrate(200);
+    }
+
+    /**
+    * Convert volume to percent
+    */
+    public static int volumeToPercent(int volume) {
+        double maxValue = MAX_VALUE;
+        double minValue = MIN_VALUE;
+
+        double percent = (volume - minValue) * (100 / (maxValue - minValue));
+
+        if (percent > 100)
+            percent = 100;
+        else if (percent < 0)
+            percent = 0;
+
+        return (int) percent;
+    }
+
+    /**
+    * Convert percent to volume
+    */
+    public static int percentToVolume(int percent) {
+        int volume = Math.round((((MAX_VALUE - MIN_VALUE) * percent) / 100) + MIN_VALUE);
+
+        if (volume > MAX_VALUE)
+            volume = MAX_VALUE;
+        else if (volume < MIN_VALUE)
+            volume = MIN_VALUE;
+
+        return volume;
+    }
+}