1 files changed, 245 insertions, 0 deletions
diff --git a/AriesParts/src/com/cyanogenmod/settings/device/VolumeBoostPreference.java b/AriesParts/src/com/cyanogenmod/settings/device/VolumeBoostPreference.java
new file mode 100644
index 0000000..efbf293
--- /dev/null
+++ b/AriesParts/src/com/cyanogenmod/settings/device/VolumeBoostPreference.java
@@ -0,0 +1,245 @@
+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.widget.SeekBar;
+import android.widget.TextView;
+
+/**
+ * Special preference type that allows configuration of both the in call volume and
+ * in call mic gain.
+ */
+public class VolumeBoostPreference extends DialogPreference {
+
+    private static final int[] SEEKBAR_ID = new int[] {
+        R.id.boost_rcv_seekbar,
+        R.id.boost_bt_seekbar,
+        R.id.boost_spk_seekbar,
+        R.id.boost_hp_seekbar
+    };
+
+    private static final int[] VALUE_DISPLAY_ID = new int[] {
+        R.id.boost_rcv_value,
+        R.id.boost_bt_value,
+        R.id.boost_spk_value,
+        R.id.boost_hp_value
+    };
+
+    private static final int[] MIC_SEEKBAR_ID = new int[] {
+        R.id.mic_rcv_seekbar,
+        R.id.mic_spk_seekbar,
+        R.id.mic_hp_seekbar,
+        R.id.mic_hp_no_mic_seekbar
+    };
+
+    private static final int[] MIC_VALUE_DISPLAY_ID = new int[] {
+        R.id.mic_rcv_value,
+        R.id.mic_spk_value,
+        R.id.mic_hp_value,
+        R.id.mic_hp_no_mic_value
+    };
+
+    private static final String[] BOOST_FILE_PATH = new String[] {
+        "/sys/devices/virtual/misc/voodoo_sound/incall_boost_rcv",
+        "/sys/devices/virtual/misc/voodoo_sound/incall_boost_bt",
+        "/sys/devices/virtual/misc/voodoo_sound/incall_boost_spk",
+        "/sys/devices/virtual/misc/voodoo_sound/incall_boost_hp"
+    };
+
+    private static final String[] MIC_FILE_PATH = new String[] {
+        "/sys/devices/virtual/misc/voodoo_sound/incall_mic_gain_rcv",
+        "/sys/devices/virtual/misc/voodoo_sound/incall_mic_gain_spk",
+        "/sys/devices/virtual/misc/voodoo_sound/incall_mic_gain_hp",
+        "/sys/devices/virtual/misc/voodoo_sound/incall_mic_gain_hp_no_mic"
+    };
+
+    private VolumeSeekBar mSeekBars[] = new VolumeSeekBar[8];
+
+    private static final int BOOST_DEFAULT_VALUE = 2;
+    private static final int BOOST_MAX_VALUE = 3;
+
+    private static final int[] MIC_DEFAULT_VALUE = new int[] { 19, 31, 29, 18 };
+    private static final int MIC_MAX_VALUE = 31;
+
+    // Track instances to know when to restore original value
+    // (when the orientation changes, a new dialog is created before the old one is destroyed)
+    private static int sInstances = 0;
+
+    public VolumeBoostPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+
+        setDialogLayoutResource(R.layout.preference_dialog_volume_boost);
+    }
+
+    @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]);
+            mSeekBars[i] = new VolumeSeekBar(seekBar, valueDisplay, BOOST_FILE_PATH[i]);
+        }
+
+        for (int i = 0; i < MIC_SEEKBAR_ID.length; i++) {
+            SeekBar seekBar = (SeekBar) view.findViewById(MIC_SEEKBAR_ID[i]);
+            TextView valueDisplay = (TextView) view.findViewById(MIC_VALUE_DISPLAY_ID[i]);
+            mSeekBars[SEEKBAR_ID.length + i] = new MicSeekBar(seekBar, valueDisplay, MIC_FILE_PATH[i], i);
+        }
+    }
+
+    @Override
+    protected void onDialogClosed(boolean positiveResult) {
+        super.onDialogClosed(positiveResult);
+
+        sInstances--;
+
+        if (positiveResult) {
+            for (VolumeSeekBar vsb : mSeekBars) {
+                vsb.save();
+            }
+        } else if (sInstances == 0) {
+            for (VolumeSeekBar vsb : mSeekBars) {
+                vsb.reset();
+            }
+        }
+    }
+
+    /**
+     * Restore volume preference 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);
+        for (int i = 0; i < BOOST_FILE_PATH.length; i++) {
+            int value = sharedPrefs.getInt(BOOST_FILE_PATH[i], BOOST_DEFAULT_VALUE);
+            Utils.writeValue(BOOST_FILE_PATH[i], String.valueOf(value));
+        }
+
+        for (int i = 0; i < MIC_FILE_PATH.length; i++) {
+            int value = sharedPrefs.getInt(MIC_FILE_PATH[i], MIC_DEFAULT_VALUE[i]);
+            Utils.writeValue(MIC_FILE_PATH[i], String.valueOf(value));
+        }
+    }
+
+    /**
+     * Check whether the running kernel supports volume boost or not.
+     * @return              Whether volume boost is supported or not
+     */
+    public static boolean isSupported() {
+        boolean supported = true;
+
+        for (int i = 0; i < BOOST_FILE_PATH.length; i++) {
+            if (!Utils.fileExists(BOOST_FILE_PATH[i])) {
+                supported = false;
+            }
+        }
+        for (int i = 0; i < MIC_FILE_PATH.length; i++) {
+            if (!Utils.fileExists(MIC_FILE_PATH[i])) {
+                supported = false;
+            }
+        }
+
+        return supported;
+    }
+
+    class VolumeSeekBar implements SeekBar.OnSeekBarChangeListener {
+
+        protected String mFilePath;
+        protected int mOriginal;
+        protected SeekBar mSeekBar;
+        protected TextView mValueDisplay;
+
+        public VolumeSeekBar(SeekBar seekBar, TextView valueDisplay, String filePath) {
+            mSeekBar = seekBar;
+            mValueDisplay = valueDisplay;
+            mFilePath = filePath;
+
+            // Read original value
+            SharedPreferences sharedPreferences = getSharedPreferences();
+            mOriginal = sharedPreferences.getInt(mFilePath, BOOST_DEFAULT_VALUE);
+
+            seekBar.setMax(BOOST_MAX_VALUE);
+            reset();
+            seekBar.setOnSeekBarChangeListener(this);
+        }
+
+        // For inheriting class
+        protected VolumeSeekBar() {
+        }
+
+        public void reset() {
+            mSeekBar.setProgress(mOriginal);
+            updateValue(mOriginal);
+        }
+
+        public void save() {
+            Editor editor = getEditor();
+            editor.putInt(mFilePath, mSeekBar.getProgress());
+            editor.commit();
+        }
+
+        @Override
+        public void onProgressChanged(SeekBar seekBar, int progress,
+                boolean fromUser) {
+            Utils.writeValue(mFilePath, String.valueOf(progress));
+            updateValue(progress);
+        }
+
+        @Override
+        public void onStartTrackingTouch(SeekBar seekBar) {
+            // Do nothing
+        }
+
+        @Override
+        public void onStopTrackingTouch(SeekBar seekBar) {
+            // Do nothing
+        }
+
+        protected void updateValue(int progress) {
+            mValueDisplay.setText(String.valueOf(progress));
+        }
+
+    }
+
+    class MicSeekBar extends VolumeSeekBar {
+
+        public MicSeekBar(SeekBar seekBar, TextView valueDisplay, String filePath, int defaultValue) {
+            mSeekBar = seekBar;
+            mValueDisplay = valueDisplay;
+            mFilePath = filePath;
+
+            // Read original value
+            SharedPreferences sharedPreferences = getSharedPreferences();
+            mOriginal = sharedPreferences.getInt(mFilePath, MIC_DEFAULT_VALUE[defaultValue]);
+
+            seekBar.setMax(MIC_MAX_VALUE);
+            reset();
+            seekBar.setOnSeekBarChangeListener(this);
+        }
+
+        @Override
+        public void onProgressChanged(SeekBar seekBar, int progress,
+                boolean fromUser) {
+            Utils.writeValue(mFilePath, String.valueOf(progress));
+            updateValue(progress);
+        }
+
+        @Override
+        protected void updateValue(int progress) {
+            mValueDisplay.setText(String.valueOf(progress));
+        }
+
+    }
+}