PlayerAndroid/app/src/main/java/code/name/monkey/retromusic/fragments/settings/AudioSettings.kt

/*
 * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
 * This is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 */
package code.name.monkey.retromusic.fragments.settings

import android.content.Intent
import android.media.audiofx.AudioEffect
import android.os.Bundle
import androidx.preference.Preference
import code.name.monkey.retromusic.EQUALIZER
import code.name.monkey.retromusic.R
import code.name.monkey.retromusic.util.NavigationUtil

/**
 * @author Hemanth S (h4h13).
 */

class AudioSettings : AbsSettingsFragment() {
    override fun invalidateSettings() {
        val findPreference: Preference? = findPreference(EQUALIZER)
        if (!hasEqualizer()) {
            findPreference?.isEnabled = false
            findPreference?.summary = resources.getString(R.string.no_equalizer)
        } else {
            findPreference?.isEnabled = true
        }
        findPreference?.setOnPreferenceClickListener {
            NavigationUtil.openEqualizer(requireActivity())
            true
        }
    }

    private fun hasEqualizer(): Boolean {
        val effects = Intent(AudioEffect.ACTION_DISPLAY_AUDIO_EFFECT_CONTROL_PANEL)

        val pm = requireActivity().packageManager
        val ri = pm.resolveActivity(effects, 0)
        return ri != null
    }

    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
        addPreferencesFromResource(R.xml.pref_audio)
    }
}