PlayerAndroid/app/src/main/java/code/name/monkey/retromusic/fragments/genres/GenreDetailsFragment.kt

125 lines
4.8 KiB
Kotlin

/*
* 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.genres
import android.os.Bundle
import android.view.Menu
import android.view.MenuInflater
import android.view.MenuItem
import android.view.View
import androidx.core.view.ViewCompat
import androidx.core.view.doOnPreDraw
import androidx.navigation.fragment.navArgs
import androidx.recyclerview.widget.DefaultItemAnimator
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import code.name.monkey.retromusic.R
import code.name.monkey.retromusic.adapter.song.SongAdapter
import code.name.monkey.retromusic.databinding.FragmentPlaylistDetailBinding
import code.name.monkey.retromusic.extensions.dipToPix
import code.name.monkey.retromusic.fragments.base.AbsMainActivityFragment
import code.name.monkey.retromusic.helper.menu.GenreMenuHelper
import code.name.monkey.retromusic.model.Genre
import code.name.monkey.retromusic.model.Song
import com.google.android.material.shape.MaterialShapeDrawable
import com.google.android.material.transition.MaterialSharedAxis
import org.koin.androidx.viewmodel.ext.android.viewModel
import org.koin.core.parameter.parametersOf
import java.util.*
class GenreDetailsFragment : AbsMainActivityFragment(R.layout.fragment_playlist_detail) {
private val arguments by navArgs<GenreDetailsFragmentArgs>()
private val detailsViewModel: GenreDetailsViewModel by viewModel {
parametersOf(arguments.extraGenre)
}
private lateinit var genre: Genre
private lateinit var songAdapter: SongAdapter
private var _binding: FragmentPlaylistDetailBinding? = null
private val binding get() = _binding!!
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
enterTransition = MaterialSharedAxis(MaterialSharedAxis.Z, true).addTarget(view)
returnTransition = MaterialSharedAxis(MaterialSharedAxis.Z, false)
_binding = FragmentPlaylistDetailBinding.bind(view)
setHasOptionsMenu(true)
mainActivity.addMusicServiceEventListener(detailsViewModel)
mainActivity.setSupportActionBar(binding.toolbar)
ViewCompat.setTransitionName(binding.container, "genre")
genre = arguments.extraGenre
binding.toolbar.title = arguments.extraGenre.name
setupRecyclerView()
detailsViewModel.getSongs().observe(viewLifecycleOwner, {
songs(it)
})
postponeEnterTransition()
view.doOnPreDraw {
startPostponedEnterTransition()
}
binding.appBarLayout.statusBarForeground =
MaterialShapeDrawable.createWithElevationOverlay(requireContext())
}
private fun setupRecyclerView() {
songAdapter = SongAdapter(requireActivity(), ArrayList(), R.layout.item_list, null)
binding.recyclerView.apply {
itemAnimator = DefaultItemAnimator()
layoutManager = LinearLayoutManager(requireContext())
adapter = songAdapter
}
songAdapter.registerAdapterDataObserver(object : RecyclerView.AdapterDataObserver() {
override fun onChanged() {
super.onChanged()
checkIsEmpty()
}
})
}
fun songs(songs: List<Song>) {
binding.progressIndicator.hide()
if (songs.isNotEmpty()) songAdapter.swapDataSet(songs)
else songAdapter.swapDataSet(emptyList())
}
private fun getEmojiByUnicode(unicode: Int): String {
return String(Character.toChars(unicode))
}
private fun checkIsEmpty() {
checkForPadding()
binding.emptyEmoji.text = getEmojiByUnicode(0x1F631)
binding.empty.visibility = if (songAdapter.itemCount == 0) View.VISIBLE else View.GONE
}
private fun checkForPadding() {
val height = dipToPix(52f).toInt()
binding.recyclerView.setPadding(0, 0, 0, height)
}
override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
super.onCreateOptionsMenu(menu, inflater)
inflater.inflate(R.menu.menu_genre_detail, menu)
}
override fun onOptionsItemSelected(item: MenuItem): Boolean {
return GenreMenuHelper.handleMenuClick(requireActivity(), genre, item)
}
override fun onDestroyView() {
super.onDestroyView()
_binding = null
}
}