Kotlin refactoring

app/src/main/java/code/name/monkey/retromusic/activities/MainActivity.kt

@@ -13,12 +13,14 @@ import android.view.View
 import androidx.core.app.ActivityCompat
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.commit
+import androidx.lifecycle.ViewModelProvider
 import code.name.monkey.appthemehelper.ThemeStore.Companion.accentColor
 import code.name.monkey.appthemehelper.util.ATHUtil.resolveColor
 import code.name.monkey.appthemehelper.util.ToolbarContentTintHelper
 import code.name.monkey.retromusic.*
 import code.name.monkey.retromusic.activities.base.AbsSlidingMusicPanelActivity
 import code.name.monkey.retromusic.dialogs.CreatePlaylistDialog.Companion.create
+import code.name.monkey.retromusic.fragments.LibraryViewModel
 import code.name.monkey.retromusic.fragments.albums.AlbumsFragment
 import code.name.monkey.retromusic.fragments.artists.ArtistsFragment
 import code.name.monkey.retromusic.fragments.base.AbsLibraryPagerRecyclerViewCustomGridSizeFragment
@@ -70,6 +72,7 @@ class MainActivity : AbsSlidingMusicPanelActivity(),
         const val APP_UPDATE_REQUEST_CODE = 9002
     }
 
+    lateinit var libraryViewModel: LibraryViewModel
     private lateinit var cab: MaterialCab
     private val intentFilter = IntentFilter(Intent.ACTION_SCREEN_OFF)
     private lateinit var currentFragment: MainActivityFragmentCallbacks
@@ -118,6 +121,9 @@ class MainActivity : AbsSlidingMusicPanelActivity(),
         hideStatusBar()
         setBottomBarVisibility(View.VISIBLE)
 
+        libraryViewModel = ViewModelProvider(this).get(LibraryViewModel::class.java)
+        addMusicServiceEventListener(libraryViewModel)
+
         if (savedInstanceState == null) {
             selectedFragment(PreferenceUtilKT.lastPage)
         } else {

app/src/main/java/code/name/monkey/retromusic/fragments/LibraryViewModel.kt

@@ -0,0 +1,136 @@
+package code.name.monkey.retromusic.fragments
+
+import android.app.Application
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.viewModelScope
+import code.name.monkey.retromusic.Result.Error
+import code.name.monkey.retromusic.Result.Success
+import code.name.monkey.retromusic.fragments.ReloadType.*
+import code.name.monkey.retromusic.interfaces.MusicServiceEventListener
+import code.name.monkey.retromusic.model.*
+import code.name.monkey.retromusic.providers.RepositoryImpl
+import code.name.monkey.retromusic.providers.interfaces.Repository
+import kotlinx.coroutines.Deferred
+import kotlinx.coroutines.Dispatchers.IO
+import kotlinx.coroutines.async
+import kotlinx.coroutines.launch
+
+class LibraryViewModel(application: Application) :
+    AndroidViewModel(application), MusicServiceEventListener {
+
+    private val _repository: Repository = RepositoryImpl(application.applicationContext)
+    private val _albums = MutableLiveData<List<Album>>()
+    private val _songs = MutableLiveData<List<Song>>()
+    private val _artists = MutableLiveData<List<Artist>>()
+    private val _playlist = MutableLiveData<List<Playlist>>()
+    private val _genre = MutableLiveData<List<Genre>>()
+    private val _homeSections = MutableLiveData<List<Home>>()
+
+    fun homeSections(): LiveData<List<Home>> = _homeSections
+    fun allAlbums(): LiveData<List<Album>> = _albums
+    fun allSongs(): LiveData<List<Song>> = _songs
+    fun allArtists(): LiveData<List<Artist>> = _artists
+    fun allPlaylisits(): LiveData<List<Playlist>> = _playlist
+    fun allGenres(): LiveData<List<Genre>> = _genre
+
+    init {
+        viewModelScope.launch {
+            loadLibraryContent()
+            loadHomeSections()
+        }
+    }
+
+    private fun loadLibraryContent() = viewModelScope.launch {
+        _songs.value = loadSongs.await()
+        _albums.value = loadAlbums.await()
+        _artists.value = loadArtists.await()
+        _playlist.value = loadPlaylists.await()
+        _genre.value = loadGenres.await()
+    }
+
+    private fun loadHomeSections() = viewModelScope.launch {
+        val list = mutableListOf<Home>()
+        val result = listOf(
+            _repository.topArtists(),
+            _repository.topAlbums(),
+            _repository.recentArtists(),
+            _repository.recentAlbums(),
+            _repository.favoritePlaylist()
+        )
+        for (r in result) {
+            if (r is Success) {
+                list.add(r.data)
+            }
+        }
+        _homeSections.value = list
+    }
+
+    private val loadSongs: Deferred<List<Song>>
+        get() = viewModelScope.async(IO) {
+            when (val result = _repository.allSongs()) {
+                is Success -> result.data
+                is Error -> arrayListOf()
+            }
+        }
+
+    private val loadAlbums: Deferred<List<Album>>
+        get() = viewModelScope.async(IO) {
+            when (val result = _repository.allAlbums()) {
+                is Success -> result.data
+                is Error -> arrayListOf()
+            }
+        }
+    private val loadArtists: Deferred<List<Artist>>
+        get() = viewModelScope.async(IO) {
+            when (val result = _repository.allArtists()) {
+                is Success -> result.data
+                is Error -> arrayListOf()
+            }
+        }
+
+    private val loadPlaylists: Deferred<List<Playlist>>
+        get() = viewModelScope.async(IO) {
+            when (val result = _repository.allPlaylists()) {
+                is Success -> result.data
+                is Error -> arrayListOf()
+            }
+        }
+
+    private val loadGenres: Deferred<List<Genre>>
+        get() = viewModelScope.async(IO) {
+            when (val result = _repository.allGenres()) {
+                is Success -> result.data
+                is Error -> arrayListOf()
+            }
+        }
+
+    fun forceReload(reloadType: ReloadType) = viewModelScope.launch {
+        when (reloadType) {
+            Songs -> _songs.value = loadSongs.await()
+            Albums -> _albums.value = loadAlbums.await()
+            Artists -> _artists.value = loadArtists.await()
+            HomeSections -> _songs.value = loadSongs.await()
+        }
+    }
+
+    override fun onMediaStoreChanged() {
+        loadLibraryContent()
+    }
+
+    override fun onServiceConnected() {}
+    override fun onServiceDisconnected() {}
+    override fun onQueueChanged() {}
+    override fun onPlayingMetaChanged() {}
+    override fun onPlayStateChanged() {}
+    override fun onRepeatModeChanged() {}
+    override fun onShuffleModeChanged() {}
+}
+
+enum class ReloadType {
+    Songs,
+    Albums,
+    Artists,
+    HomeSections
+}

app/src/main/java/code/name/monkey/retromusic/fragments/albums/AlbumViewModel.kt

@@ -1,27 +0,0 @@
-package code.name.monkey.retromusic.fragments.albums
-
-import android.app.Application
-import androidx.lifecycle.AndroidViewModel
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.viewModelScope
-import code.name.monkey.retromusic.Result
-import code.name.monkey.retromusic.model.Album
-import code.name.monkey.retromusic.providers.RepositoryImpl
-import kotlinx.coroutines.launch
-
-class AlbumViewModel(application: Application) : AndroidViewModel(application) {
-    var albums = MutableLiveData<List<Album>>()
-
-    init {
-        getAlbums()
-    }
-
-    fun getAlbums() = viewModelScope.launch {
-        val result = RepositoryImpl(getApplication()).allAlbums()
-        if (result is Result.Success) {
-            albums.value = result.data
-        } else {
-            albums.value = listOf()
-        }
-    }
-}

app/src/main/java/code/name/monkey/retromusic/fragments/albums/AlbumsFragment.kt

@@ -3,10 +3,10 @@ package code.name.monkey.retromusic.fragments.albums
 import android.os.Bundle
 import android.view.View
 import androidx.lifecycle.Observer
-import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.GridLayoutManager
 import code.name.monkey.retromusic.R
 import code.name.monkey.retromusic.adapter.album.AlbumAdapter
+import code.name.monkey.retromusic.fragments.ReloadType
 import code.name.monkey.retromusic.fragments.base.AbsLibraryPagerRecyclerViewCustomGridSizeFragment
 import code.name.monkey.retromusic.interfaces.MainActivityFragmentCallbacks
 import code.name.monkey.retromusic.util.PreferenceUtilKT
@@ -15,17 +15,16 @@ class AlbumsFragment :
     AbsLibraryPagerRecyclerViewCustomGridSizeFragment<AlbumAdapter, GridLayoutManager>(),
     MainActivityFragmentCallbacks {
 
-    private lateinit var albumViewModel: AlbumViewModel
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        albumViewModel = ViewModelProvider(this).get(AlbumViewModel::class.java)
-        albumViewModel.albums.observe(viewLifecycleOwner, Observer { albums ->
-            if (albums.isNotEmpty())
-                adapter?.swapDataSet(albums)
-            else
-                adapter?.swapDataSet(listOf())
-        })
+        mainActivity.libraryViewModel.allAlbums()
+            .observe(viewLifecycleOwner, Observer { albums ->
+                if (albums.isNotEmpty())
+                    adapter?.swapDataSet(albums)
+                else
+                    adapter?.swapDataSet(listOf())
+            })
     }
 
     override val emptyMessage: Int
@@ -74,15 +73,10 @@ class AlbumsFragment :
         PreferenceUtilKT.albumGridSizeLand = gridColumns
     }
 
-    override fun onMediaStoreChanged() {
-        albumViewModel.getAlbums()
-    }
-
     override fun setSortOrder(sortOrder: String) {
-        albumViewModel.getAlbums()
+        mainActivity.libraryViewModel.forceReload(ReloadType.Albums)
     }
 
-
     override fun loadLayoutRes(): Int {
         return PreferenceUtilKT.albumGridStyle
     }

app/src/main/java/code/name/monkey/retromusic/fragments/artists/ArtistViewModel.kt

@@ -1,27 +0,0 @@
-package code.name.monkey.retromusic.fragments.artists
-
-import android.app.Application
-import androidx.lifecycle.AndroidViewModel
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.viewModelScope
-import code.name.monkey.retromusic.Result
-import code.name.monkey.retromusic.model.Artist
-import code.name.monkey.retromusic.providers.RepositoryImpl
-import kotlinx.coroutines.launch
-
-class ArtistViewModel(application: Application) : AndroidViewModel(application) {
-    var artists = MutableLiveData<List<Artist>>()
-
-    init {
-        loadArtists()
-    }
-
-    fun loadArtists() = viewModelScope.launch {
-        val result = RepositoryImpl(getApplication()).allArtists()
-        if (result is Result.Success) {
-            artists.value = result.data
-        } else {
-            artists.value = listOf()
-        }
-    }
-}

app/src/main/java/code/name/monkey/retromusic/fragments/artists/ArtistsFragment.kt

@@ -3,10 +3,10 @@ package code.name.monkey.retromusic.fragments.artists
 import android.os.Bundle
 import android.view.View
 import androidx.lifecycle.Observer
-import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.GridLayoutManager
 import code.name.monkey.retromusic.R
 import code.name.monkey.retromusic.adapter.artist.ArtistAdapter
+import code.name.monkey.retromusic.fragments.ReloadType
 import code.name.monkey.retromusic.fragments.base.AbsLibraryPagerRecyclerViewCustomGridSizeFragment
 import code.name.monkey.retromusic.interfaces.MainActivityFragmentCallbacks
 import code.name.monkey.retromusic.util.PreferenceUtilKT
@@ -14,20 +14,16 @@ import code.name.monkey.retromusic.util.PreferenceUtilKT
 class ArtistsFragment :
     AbsLibraryPagerRecyclerViewCustomGridSizeFragment<ArtistAdapter, GridLayoutManager>(),
     MainActivityFragmentCallbacks {
-
-    lateinit var artistViewModel: ArtistViewModel
-
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        artistViewModel = ViewModelProvider(this).get(ArtistViewModel::class.java)
-        artistViewModel.artists.observe(viewLifecycleOwner, Observer { artists ->
-            if (artists.isNotEmpty()) {
-                adapter?.swapDataSet(artists)
-            } else {
-                adapter?.swapDataSet(listOf())
-            }
-        })
+        mainActivity.libraryViewModel.allArtists().observe(
+            viewLifecycleOwner, Observer { artists ->
+                if (artists.isNotEmpty()) {
+                    adapter?.swapDataSet(artists)
+                } else {
+                    adapter?.swapDataSet(listOf())
+                }
+            })
     }
 
     override fun handleBackPress(): Boolean {
@@ -37,12 +33,8 @@ class ArtistsFragment :
     override val emptyMessage: Int
         get() = R.string.no_artists
 
-    override fun onMediaStoreChanged() {
-        artistViewModel.loadArtists()
-    }
-
     override fun setSortOrder(sortOrder: String) {
-        artistViewModel.loadArtists()
+        mainActivity.libraryViewModel.forceReload(ReloadType.Artists)
     }
 
     override fun createLayoutManager(): GridLayoutManager {

app/src/main/java/code/name/monkey/retromusic/fragments/base/AbsLibraryPagerRecyclerViewFragment.kt

@@ -6,8 +6,10 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.annotation.NonNull
 import androidx.annotation.StringRes
+import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.RecyclerView
 import code.name.monkey.retromusic.R
+import code.name.monkey.retromusic.fragments.LibraryViewModel
 import code.name.monkey.retromusic.helper.MusicPlayerRemote
 import code.name.monkey.retromusic.util.DensityUtil
 import code.name.monkey.retromusic.util.ThemedFastScroller.create
@@ -20,6 +22,7 @@ import me.zhanghai.android.fastscroll.FastScrollerBuilder
 abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>, LM : RecyclerView.LayoutManager> :
     AbsLibraryPagerFragment(), AppBarLayout.OnOffsetChangedListener {
 
+
     protected var adapter: A? = null
     protected var layoutManager: LM? = null
 
@@ -90,6 +93,8 @@ abstract class AbsLibraryPagerRecyclerViewFragment<A : RecyclerView.Adapter<*>,
         }
     }
 
+
+
     private fun initLayoutManager() {
         layoutManager = createLayoutManager()
     }

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

@@ -1,27 +0,0 @@
-package code.name.monkey.retromusic.fragments.genres
-
-import android.app.Application
-import androidx.lifecycle.AndroidViewModel
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.viewModelScope
-import code.name.monkey.retromusic.Result.Success
-import code.name.monkey.retromusic.model.Genre
-import code.name.monkey.retromusic.providers.RepositoryImpl
-import kotlinx.coroutines.launch
-
-class GenreViewModel(application: Application) : AndroidViewModel(application) {
-    var genres = MutableLiveData<List<Genre>>()
-
-    init {
-        loadGenre()
-    }
-
-    fun loadGenre() = viewModelScope.launch {
-        val result = RepositoryImpl(getApplication()).allGenres()
-        if (result is Success) {
-            genres.value = result.data
-        } else {
-            genres.value = listOf()
-        }
-    }
-}

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

@@ -17,7 +17,6 @@ package code.name.monkey.retromusic.fragments.genres
 import android.os.Bundle
 import android.view.View
 import androidx.lifecycle.Observer
-import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.LinearLayoutManager
 import code.name.monkey.retromusic.App
 import code.name.monkey.retromusic.R
@@ -28,8 +27,6 @@ import code.name.monkey.retromusic.interfaces.MainActivityFragmentCallbacks
 class GenresFragment : AbsLibraryPagerRecyclerViewFragment<GenreAdapter, LinearLayoutManager>(),
     MainActivityFragmentCallbacks {
 
-    private lateinit var genreViewModel: GenreViewModel
-
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         App.musicComponent.inject(this)
@@ -37,14 +34,14 @@ class GenresFragment : AbsLibraryPagerRecyclerViewFragment<GenreAdapter, LinearL
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        genreViewModel = ViewModelProvider(this).get(GenreViewModel::class.java)
-        genreViewModel.genres.observe(viewLifecycleOwner, Observer { genres ->
-            if (genres.isNotEmpty()) {
-                adapter?.swapDataSet(genres)
-            } else {
-                adapter?.swapDataSet(listOf())
-            }
-        })
+        mainActivity.libraryViewModel.allGenres().observe(
+            viewLifecycleOwner, Observer { genres ->
+                if (genres.isNotEmpty()) {
+                    adapter?.swapDataSet(genres)
+                } else {
+                    adapter?.swapDataSet(listOf())
+                }
+            })
     }
 
     override fun handleBackPress(): Boolean {
@@ -63,10 +60,6 @@ class GenresFragment : AbsLibraryPagerRecyclerViewFragment<GenreAdapter, LinearL
     override val emptyMessage: Int
         get() = R.string.no_genres
 
-    override fun onMediaStoreChanged() {
-        genreViewModel.loadGenre()
-    }
-
     companion object {
         @JvmField
         val TAG: String = GenresFragment::class.java.simpleName

app/src/main/java/code/name/monkey/retromusic/fragments/home/BannerHomeFragment.kt

@@ -20,7 +20,7 @@ import android.util.DisplayMetrics
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.LinearLayoutManager
 import code.name.monkey.retromusic.R
 import code.name.monkey.retromusic.adapter.HomeAdapter
@@ -34,7 +34,6 @@ import code.name.monkey.retromusic.model.smartplaylist.HistoryPlaylist
 import code.name.monkey.retromusic.model.smartplaylist.LastAddedPlaylist
 import code.name.monkey.retromusic.model.smartplaylist.MyTopTracksPlaylist
 import code.name.monkey.retromusic.util.NavigationUtil
-
 import code.name.monkey.retromusic.util.PreferenceUtilKT
 import com.bumptech.glide.Glide
 import kotlinx.android.synthetic.main.abs_playlists.*
@@ -42,9 +41,7 @@ import kotlinx.android.synthetic.main.fragment_banner_home.*
 import kotlinx.android.synthetic.main.home_content.*
 
 class BannerHomeFragment : AbsMainActivityFragment(), MainActivityFragmentCallbacks {
-
     private lateinit var homeAdapter: HomeAdapter
-    private lateinit var homeModel: HomeViewModel
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -122,10 +119,12 @@ class BannerHomeFragment : AbsMainActivityFragment(), MainActivityFragmentCallba
             layoutManager = LinearLayoutManager(mainActivity)
             adapter = homeAdapter
         }
-        homeModel = ViewModelProvider(this).get(HomeViewModel::class.java)
-        homeModel.sections.observe(viewLifecycleOwner, androidx.lifecycle.Observer { sections ->
-            homeAdapter.swapData(sections)
-        })
+
+        mainActivity.libraryViewModel.homeSections()
+            .observe(viewLifecycleOwner, Observer { sections ->
+                homeAdapter.swapData(sections)
+            })
+
         loadProfile()
     }
 

app/src/main/java/code/name/monkey/retromusic/fragments/home/HomeViewModel.kt

@@ -1,36 +0,0 @@
-package code.name.monkey.retromusic.fragments.home
-
-import android.app.Application
-import androidx.lifecycle.AndroidViewModel
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.viewModelScope
-import code.name.monkey.retromusic.Result
-import code.name.monkey.retromusic.model.Home
-import code.name.monkey.retromusic.providers.RepositoryImpl
-import kotlinx.coroutines.launch
-
-class HomeViewModel(application: Application) : AndroidViewModel(application) {
-    var sections = MutableLiveData<List<Home>>()
-    var repository: RepositoryImpl = RepositoryImpl(getApplication())
-
-    init {
-        loadHome()
-    }
-
-    private fun loadHome() = viewModelScope.launch {
-        val list = mutableListOf<Home>()
-        val result = listOf(
-            repository.topArtists(),
-            repository.topAlbums(),
-            repository.recentArtists(),
-            repository.recentAlbums(),
-            repository.favoritePlaylist()
-        )
-        for (r in result) {
-            if (r is Result.Success) {
-                list.add(r.data)
-            }
-        }
-        sections.value = list
-    }
-}

app/src/main/java/code/name/monkey/retromusic/fragments/playlists/PlaylistViewModel.kt

@@ -1,27 +0,0 @@
-package code.name.monkey.retromusic.fragments.playlists
-
-import android.app.Application
-import androidx.lifecycle.AndroidViewModel
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.viewModelScope
-import code.name.monkey.retromusic.Result
-import code.name.monkey.retromusic.model.Playlist
-import code.name.monkey.retromusic.providers.RepositoryImpl
-import kotlinx.coroutines.launch
-
-class PlaylistViewModel(application: Application) : AndroidViewModel(application) {
-    var playlists = MutableLiveData<List<Playlist>>()
-
-    init {
-        loadPlaylist()
-    }
-
-    fun loadPlaylist() = viewModelScope.launch {
-        val result = RepositoryImpl(getApplication()).allPlaylists()
-        if (result is Result.Success) {
-            playlists.value = result.data
-        } else {
-            playlists.value = listOf()
-        }
-    }
-}

app/src/main/java/code/name/monkey/retromusic/fragments/playlists/PlaylistsFragment.kt

@@ -5,7 +5,6 @@ import android.view.Menu
 import android.view.MenuInflater
 import android.view.View
 import androidx.lifecycle.Observer
-import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.GridLayoutManager
 import code.name.monkey.retromusic.R
 import code.name.monkey.retromusic.adapter.playlist.PlaylistAdapter
@@ -16,18 +15,17 @@ class PlaylistsFragment :
     AbsLibraryPagerRecyclerViewFragment<PlaylistAdapter, GridLayoutManager>(),
     MainActivityFragmentCallbacks {
 
-    lateinit var playlistViewModel: PlaylistViewModel
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        playlistViewModel = ViewModelProvider(this).get(PlaylistViewModel::class.java)
-        playlistViewModel.playlists.observe(viewLifecycleOwner, Observer { playlists ->
-            if (playlists.isNotEmpty()) {
-                adapter?.swapDataSet(playlists)
-            } else {
-                adapter?.swapDataSet(listOf())
-            }
-        })
+        mainActivity.libraryViewModel.allPlaylisits()
+            .observe(viewLifecycleOwner, Observer { playlists ->
+                if (playlists.isNotEmpty()) {
+                    adapter?.swapDataSet(playlists)
+                } else {
+                    adapter?.swapDataSet(listOf())
+                }
+            })
     }
 
     override fun handleBackPress(): Boolean {
@@ -50,11 +48,6 @@ class PlaylistsFragment :
         )
     }
 
-    override fun onMediaStoreChanged() {
-        super.onMediaStoreChanged()
-        playlistViewModel.loadPlaylist()
-    }
-
     override fun onCreateOptionsMenu(menu: Menu, inflater: MenuInflater) {
         super.onCreateOptionsMenu(menu, inflater)
         menu.apply {

app/src/main/java/code/name/monkey/retromusic/fragments/songs/SongsFragment.kt

@@ -4,39 +4,35 @@ import android.os.Bundle
 import android.view.View
 import androidx.annotation.LayoutRes
 import androidx.recyclerview.widget.GridLayoutManager
-import code.name.monkey.retromusic.App
 import code.name.monkey.retromusic.R
 import code.name.monkey.retromusic.adapter.song.ShuffleButtonSongAdapter
 import code.name.monkey.retromusic.adapter.song.SongAdapter
+import code.name.monkey.retromusic.fragments.ReloadType
 import code.name.monkey.retromusic.fragments.base.AbsLibraryPagerRecyclerViewCustomGridSizeFragment
 import code.name.monkey.retromusic.interfaces.MainActivityFragmentCallbacks
 import code.name.monkey.retromusic.model.Song
-import code.name.monkey.retromusic.mvp.presenter.SongPresenter
 import code.name.monkey.retromusic.mvp.presenter.SongView
 import code.name.monkey.retromusic.util.PreferenceUtilKT
 import java.util.*
-import javax.inject.Inject
 
 class SongsFragment :
     AbsLibraryPagerRecyclerViewCustomGridSizeFragment<SongAdapter, GridLayoutManager>(),
     SongView, MainActivityFragmentCallbacks {
-
-    @Inject
-    lateinit var songPresenter: SongPresenter
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        mainActivity.libraryViewModel.allSongs()
+            .observe(viewLifecycleOwner, androidx.lifecycle.Observer {
+                if (it.isNotEmpty()) {
+                    adapter?.swapDataSet(it)
+                } else {
+                    adapter?.swapDataSet(listOf())
+                }
+            })
+    }
 
     override val emptyMessage: Int
         get() = R.string.no_songs
 
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        App.musicComponent.inject(this)
-    }
-
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        super.onViewCreated(view, savedInstanceState)
-        songPresenter.attachView(this)
-    }
-
     override fun createLayoutManager(): GridLayoutManager {
         return GridLayoutManager(requireActivity(), getGridSize()).apply {
             spanSizeLookup = object : GridLayoutManager.SpanSizeLookup() {
@@ -65,10 +61,6 @@ class SongsFragment :
         adapter?.swapDataSet(songs)
     }
 
-    override fun onMediaStoreChanged() {
-        songPresenter.loadSongs()
-    }
-
     override fun loadGridSize(): Int {
         return PreferenceUtilKT.songGridSize
     }
@@ -89,17 +81,6 @@ class SongsFragment :
         adapter?.notifyDataSetChanged()
     }
 
-    override fun onResume() {
-        super.onResume()
-        if (adapter?.dataSet.isNullOrEmpty())
-            songPresenter.loadSongs()
-    }
-
-    override fun onDestroyView() {
-        super.onDestroyView()
-        songPresenter.detachView()
-    }
-
     override fun showEmptyView() {
         adapter?.swapDataSet(ArrayList())
     }
@@ -122,7 +103,7 @@ class SongsFragment :
     }
 
     override fun setSortOrder(sortOrder: String) {
-        songPresenter.loadSongs()
+        mainActivity.libraryViewModel.forceReload(ReloadType.Songs)
     }
 
     companion object {
@@ -131,10 +112,7 @@ class SongsFragment :
 
         @JvmStatic
         fun newInstance(): SongsFragment {
-            val args = Bundle()
-            val fragment = SongsFragment()
-            fragment.arguments = args
-            return fragment
+            return SongsFragment()
         }
     }
 

app/src/main/java/code/name/monkey/retromusic/fragments/songs/SongsViewModel.kt

@@ -1,27 +0,0 @@
-package code.name.monkey.retromusic.fragments.songs
-
-import android.app.Application
-import androidx.lifecycle.AndroidViewModel
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.viewModelScope
-import code.name.monkey.retromusic.Result.Success
-import code.name.monkey.retromusic.model.Song
-import code.name.monkey.retromusic.providers.RepositoryImpl
-import kotlinx.coroutines.launch
-
-class SongsViewModel(application: Application) : AndroidViewModel(application) {
-    var songs = MutableLiveData<List<Song>>()
-
-    init {
-        loadSongs()
-    }
-
-    fun loadSongs() = viewModelScope.launch {
-        val result = RepositoryImpl(getApplication()).allSongs()
-        if (result is Success) {
-            songs.value = result.data
-        } else {
-            songs.value = listOf()
-        }
-    }
-}

app/src/main/res/layout/item_artist.xml

@@ -8,25 +8,16 @@
     android:orientation="vertical"
     android:padding="4dp">
 
-    <com.google.android.material.card.MaterialCardView
-        android:id="@+id/imageContainer"
+    <code.name.monkey.retromusic.views.RetroShapeableImageView
+        android:id="@+id/image"
         android:layout_width="112dp"
         android:layout_height="112dp"
-        app:cardCornerRadius="56dp"
-        app:cardElevation="4dp"
+        android:background="@android:color/transparent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent">
-
-        <androidx.appcompat.widget.AppCompatImageView
-            android:id="@+id/image"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:background="@android:color/transparent"
-            app:srcCompat="@drawable/default_artist_art"
-            tools:src="@tools:sample/avatars" />
-
-    </com.google.android.material.card.MaterialCardView>
+        app:layout_constraintTop_toTopOf="parent"
+        app:retroCornerSize="56dp"
+        tools:src="@tools:sample/avatars" />
 
     <com.google.android.material.textview.MaterialTextView
         android:id="@+id/title"
@@ -40,6 +31,6 @@
         android:textColor="?android:attr/textColorPrimary"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/imageContainer"
+        app:layout_constraintTop_toBottomOf="@id/image"
         tools:text="@tools:sample/full_names" />
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/item_grid_circle.xml

@@ -9,7 +9,6 @@
     android:padding="4dp"
     tools:ignore="MissingPrefix">
 
-
     <code.name.monkey.retromusic.views.CircularImageView
         android:id="@+id/image"
         android:layout_width="0dp"
@@ -24,13 +23,12 @@
         tools:ignore="ContentDescription"
         tools:src="@tools:sample/avatars" />
 
-
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:gravity="center"
         android:orientation="vertical"
         android:padding="12dp"
-        android:gravity="center"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/image">