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package com.cyngn.audiofx.service;
import static com.cyngn.audiofx.Constants.AUDIOFX_GLOBAL_FILE;
import static com.cyngn.audiofx.Constants.AUDIOFX_GLOBAL_HAS_BASSBOOST;
import static com.cyngn.audiofx.Constants.AUDIOFX_GLOBAL_HAS_DTS;
import static com.cyngn.audiofx.Constants.AUDIOFX_GLOBAL_HAS_MAXXAUDIO;
import static com.cyngn.audiofx.Constants.AUDIOFX_GLOBAL_HAS_VIRTUALIZER;
import static com.cyngn.audiofx.Constants.DEVICE_AUDIOFX_BASS_ENABLE;
import static com.cyngn.audiofx.Constants.DEVICE_AUDIOFX_BASS_STRENGTH;
import static com.cyngn.audiofx.Constants.DEVICE_AUDIOFX_EQ_PRESET;
import static com.cyngn.audiofx.Constants.DEVICE_AUDIOFX_GLOBAL_ENABLE;
import static com.cyngn.audiofx.Constants.DEVICE_AUDIOFX_MAXXVOLUME_ENABLE;
import static com.cyngn.audiofx.Constants.DEVICE_AUDIOFX_TREBLE_ENABLE;
import static com.cyngn.audiofx.Constants.DEVICE_AUDIOFX_TREBLE_STRENGTH;
import static com.cyngn.audiofx.Constants.DEVICE_AUDIOFX_VIRTUALIZER_ENABLE;
import static com.cyngn.audiofx.Constants.DEVICE_AUDIOFX_VIRTUALIZER_STRENGTH;
import static com.cyngn.audiofx.Constants.DEVICE_HEADSET;
import static com.cyngn.audiofx.Constants.DEVICE_SPEAKER;
import static com.cyngn.audiofx.Constants.EQUALIZER_BAND_LEVEL_RANGE;
import static com.cyngn.audiofx.Constants.EQUALIZER_CENTER_FREQS;
import static com.cyngn.audiofx.Constants.EQUALIZER_NUMBER_OF_BANDS;
import static com.cyngn.audiofx.Constants.EQUALIZER_NUMBER_OF_PRESETS;
import static com.cyngn.audiofx.Constants.EQUALIZER_PRESET;
import static com.cyngn.audiofx.Constants.EQUALIZER_PRESET_NAMES;
import static com.cyngn.audiofx.Constants.SAVED_DEFAULTS;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.media.AudioDeviceInfo;
import android.text.TextUtils;
import android.util.Log;
import com.cyngn.audiofx.Constants;
import com.cyngn.audiofx.R;
import com.cyngn.audiofx.activity.MasterConfigControl;
import com.cyngn.audiofx.backends.EffectSet;
import com.cyngn.audiofx.backends.EffectsFactory;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
class DevicePreferenceManager implements AudioOutputChangeListener.AudioOutputChangedCallback {
private static final String TAG = AudioFxService.TAG;
private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
private final Context mContext;
private AudioDeviceInfo mCurrentDevice;
public DevicePreferenceManager(Context context, AudioDeviceInfo device) {
mContext = context;
mCurrentDevice = device;
}
public boolean initDefaults() {
try {
saveAndApplyDefaults(false);
} catch (Exception e) {
SharedPreferences prefs = Constants.getGlobalPrefs(mContext);
prefs.edit().clear().commit();
Log.e(TAG, "Failed to initialize defaults!", e);
return false;
}
return true;
}
@Override
public void onAudioOutputChanged(boolean firstChange, AudioDeviceInfo outputDevice) {
mCurrentDevice = outputDevice;
}
public SharedPreferences getCurrentDevicePrefs() {
return mContext.getSharedPreferences(
MasterConfigControl.getDeviceIdentifierString(mCurrentDevice), 0);
}
public SharedPreferences prefsFor(final String name) {
return mContext.getSharedPreferences(name, 0);
}
private boolean hasPrefs(final String name) {
return mContext.getSharedPrefsFile(name).exists();
}
public boolean isGlobalEnabled() {
return getCurrentDevicePrefs().getBoolean(DEVICE_AUDIOFX_GLOBAL_ENABLE, false);
}
/**
* This method sets some sane defaults for presets, device defaults, etc
* <p/>
* First we read presets from the system, then adjusts some setting values
* for some better defaults!
*/
private void saveAndApplyDefaults(boolean overridePrevious) {
if (DEBUG) {
Log.d(TAG, "saveAndApplyDefaults() called with overridePrevious = " +
"[" + overridePrevious + "]");
}
SharedPreferences prefs = Constants.getGlobalPrefs(mContext);
final int currentPrefVer = prefs.getInt(Constants.AUDIOFX_GLOBAL_PREFS_VERSION_INT, 0);
boolean needsPrefsUpdate = currentPrefVer < Constants.CURRENT_PREFS_INT_VERSION
|| overridePrevious;
if (needsPrefsUpdate) {
Log.d(TAG, "rebuilding presets due to preference upgrade from " + currentPrefVer
+ " to " + Constants.CURRENT_PREFS_INT_VERSION);
}
if (prefs.getBoolean(SAVED_DEFAULTS, false) && !needsPrefsUpdate) {
if (DEBUG) {
Log.e(TAG, "we've already saved defaults and don't need a pref update. aborting.");
}
return;
}
EffectSet temp = new EffectsFactory().createEffectSet(mContext, 0, null);
final int numBands = temp.getNumEqualizerBands();
final int numPresets = temp.getNumEqualizerPresets();
SharedPreferences.Editor editor = prefs.edit();
editor.putString(EQUALIZER_NUMBER_OF_PRESETS, String.valueOf(numPresets));
editor.putString(EQUALIZER_NUMBER_OF_BANDS, String.valueOf(numBands));
// range
short[] rangeShortArr = temp.getEqualizerBandLevelRange();
editor.putString(EQUALIZER_BAND_LEVEL_RANGE, rangeShortArr[0]
+ ";" + rangeShortArr[1]);
// center freqs
StringBuilder centerFreqs = new StringBuilder();
// audiofx.global.centerfreqs
for (short i = 0; i < numBands; i++) {
centerFreqs.append(temp.getCenterFrequency(i));
centerFreqs.append(";");
}
centerFreqs.deleteCharAt(centerFreqs.length() - 1);
editor.putString(EQUALIZER_CENTER_FREQS, centerFreqs.toString());
// populate preset names
StringBuilder presetNames = new StringBuilder();
for (int i = 0; i < numPresets; i++) {
String presetName = temp.getEqualizerPresetName((short) i);
presetNames.append(presetName);
presetNames.append("|");
// populate preset band values
StringBuilder presetBands = new StringBuilder();
temp.useEqualizerPreset((short) i);
for (int j = 0; j < numBands; j++) {
// loop through preset bands
presetBands.append(temp.getEqualizerBandLevel((short) j));
presetBands.append(";");
}
presetBands.deleteCharAt(presetBands.length() - 1);
editor.putString(EQUALIZER_PRESET + i, presetBands.toString());
}
if (presetNames.length() > 0) {
presetNames.deleteCharAt(presetNames.length() - 1);
}
editor.putString(EQUALIZER_PRESET_NAMES, presetNames.toString());
editor.putBoolean(AUDIOFX_GLOBAL_HAS_VIRTUALIZER, temp.hasVirtualizer());
editor.putBoolean(AUDIOFX_GLOBAL_HAS_BASSBOOST, temp.hasBassBoost());
editor.putBoolean(AUDIOFX_GLOBAL_HAS_MAXXAUDIO, temp.getBrand() == Constants.EFFECT_TYPE_MAXXAUDIO);
editor.putBoolean(AUDIOFX_GLOBAL_HAS_DTS, temp.getBrand() == Constants.EFFECT_TYPE_DTS);
editor.commit();
temp.release();
applyDefaults(needsPrefsUpdate);
prefs
.edit()
.putInt(Constants.AUDIOFX_GLOBAL_PREFS_VERSION_INT,
Constants.CURRENT_PREFS_INT_VERSION)
.putBoolean(Constants.SAVED_DEFAULTS, true)
.commit();
}
private static int findInList(String needle, List<String> haystack) {
for (int i = 0; i < haystack.size(); i++) {
if (haystack.get(i).equalsIgnoreCase(needle)) {
return i;
}
}
return -1;
}
/**
* This method sets up some *persisted* defaults.
* Prereq: saveDefaults() must have been run before this can apply its defaults properly.
*/
private void applyDefaults(boolean overridePrevious) {
if (DEBUG) {
Log.d(TAG, "applyDefaults() called with overridePrevious = [" + overridePrevious + "]");
}
if (!(overridePrevious || !hasPrefs(DEVICE_SPEAKER) ||
!hasPrefs(AUDIOFX_GLOBAL_FILE))) {
return;
}
final SharedPreferences globalPrefs = Constants.getGlobalPrefs(mContext);
// Nothing to see here for EFFECT_TYPE_DTS
if (globalPrefs.getBoolean(AUDIOFX_GLOBAL_HAS_DTS, false)) {
return;
}
// set up the builtin speaker configuration
final String smallSpeakers = getNonLocalizedString(R.string.small_speakers);
final List<String> presetNames = new ArrayList<String>(Arrays.asList(
globalPrefs.getString(EQUALIZER_PRESET_NAMES, "").split("\\|")));
final SharedPreferences speakerPrefs = prefsFor(DEVICE_SPEAKER);
if (globalPrefs.getBoolean(AUDIOFX_GLOBAL_HAS_MAXXAUDIO, false)) {
// MaxxAudio defaults for builtin speaker:
// maxxvolume: on maxxbass: 40% maxxtreble: 32%
speakerPrefs.edit()
.putBoolean(DEVICE_AUDIOFX_GLOBAL_ENABLE, true)
.putBoolean(DEVICE_AUDIOFX_MAXXVOLUME_ENABLE, true)
.putBoolean(DEVICE_AUDIOFX_BASS_ENABLE, true)
.putString(DEVICE_AUDIOFX_BASS_STRENGTH, "400")
.putBoolean(DEVICE_AUDIOFX_TREBLE_ENABLE, true)
.putString(DEVICE_AUDIOFX_TREBLE_STRENGTH, "32")
.commit();
// Defaults for headphones
// maxxvolume: on maxxbass: 20% maxxtreble: 40% maxxspace: 20%
prefsFor(DEVICE_HEADSET).edit()
.putBoolean(DEVICE_AUDIOFX_GLOBAL_ENABLE, true)
.putBoolean(DEVICE_AUDIOFX_MAXXVOLUME_ENABLE, true)
.putBoolean(DEVICE_AUDIOFX_BASS_ENABLE, true)
.putString(DEVICE_AUDIOFX_BASS_STRENGTH, "200")
.putBoolean(DEVICE_AUDIOFX_TREBLE_ENABLE, true)
.putString(DEVICE_AUDIOFX_TREBLE_STRENGTH, "40")
.putBoolean(DEVICE_AUDIOFX_VIRTUALIZER_ENABLE, true)
.putString(DEVICE_AUDIOFX_VIRTUALIZER_STRENGTH, "200")
.commit();
} else {
// Defaults for headphones
// bass boost: 15% virtualizer: 20% preset: FLAT
int flat = findInList(getNonLocalizedString(R.string.flat), presetNames);
prefsFor(DEVICE_HEADSET).edit()
.putBoolean(DEVICE_AUDIOFX_GLOBAL_ENABLE, true)
.putBoolean(DEVICE_AUDIOFX_BASS_ENABLE, true)
.putString(DEVICE_AUDIOFX_BASS_STRENGTH, "150")
.putBoolean(DEVICE_AUDIOFX_VIRTUALIZER_ENABLE, true)
.putString(DEVICE_AUDIOFX_VIRTUALIZER_STRENGTH, "200")
.putString(DEVICE_AUDIOFX_EQ_PRESET, (flat >= 0 ? String.valueOf(flat) : "0"))
.commit();
}
// for 5 band configs, let's add a `Small Speaker` configuration if one
// doesn't exist ( from oss AudioFX: -170;270;50;-220;200 )
if (Integer.parseInt(globalPrefs.getString(EQUALIZER_NUMBER_OF_BANDS, "0")) == 5 &&
findInList(smallSpeakers, presetNames) < 0) {
int currentPresets = Integer.parseInt(
globalPrefs.getString(EQUALIZER_NUMBER_OF_PRESETS, "0"));
presetNames.add(smallSpeakers);
String newPresetNames = TextUtils.join("|", presetNames);
globalPrefs.edit()
.putString(EQUALIZER_PRESET + currentPresets, "-170;270;50;-220;200")
.putString(EQUALIZER_PRESET_NAMES, newPresetNames)
.putString(EQUALIZER_NUMBER_OF_PRESETS, Integer.toString(++currentPresets))
.commit();
}
// set the small speakers preset as the default
int idx = findInList(smallSpeakers, presetNames);
if (idx >= 0) {
speakerPrefs.edit()
.putBoolean(DEVICE_AUDIOFX_GLOBAL_ENABLE, true)
.putString(DEVICE_AUDIOFX_EQ_PRESET, String.valueOf(idx))
.commit();
}
}
private String getNonLocalizedString(int res) {
Configuration config = new Configuration(mContext.getResources().getConfiguration());
config.setLocale(Locale.ROOT);
return mContext.createConfigurationContext(config).getString(res);
}
}
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