Add option to play song from genre

Add the option to play a song from a genre.

app/src/main/java/org/oxycblt/auxio/library/LibraryFragment.kt

@@ -41,9 +41,8 @@ import org.oxycblt.auxio.ui.setupSongActions
 /**
  * A [Fragment] that shows a custom list of [Genre], [Artist], or [Album] data. Also allows for
  * search functionality.
- * TODO: Move search to separate tab?
- * FIXME: Leak when navving from search
- * FIXME: Leak on older versions
+ * FIXME: Heisenleak when navving from search
+ * FIXME: Heisen on older versions
  */
 class LibraryFragment : Fragment(), SearchView.OnQueryTextListener {
 
@@ -59,13 +58,13 @@ class LibraryFragment : Fragment(), SearchView.OnQueryTextListener {
         val binding = FragmentLibraryBinding.inflate(inflater)
 
         val libraryAdapter = LibraryAdapter(
-            doOnClick = { onItemSelection(it) },
-            doOnLongClick = { data, view -> showActionsForItem(data, view) }
+            doOnClick = this::onItemSelection,
+            doOnLongClick = this::showActionsForItem
         )
 
         val searchAdapter = SearchAdapter(
-            doOnClick = { onItemSelection(it) },
-            doOnLongClick = { data, view -> showActionsForItem(data, view) }
+            doOnClick = this::onItemSelection,
+            doOnLongClick = this::showActionsForItem
         )
 
         // --- UI SETUP ---

app/src/main/java/org/oxycblt/auxio/playback/queue/QueueFragment.kt

@@ -14,6 +14,7 @@ import androidx.recyclerview.widget.ItemTouchHelper
 import org.oxycblt.auxio.R
 import org.oxycblt.auxio.databinding.FragmentQueueBinding
 import org.oxycblt.auxio.music.BaseModel
+import org.oxycblt.auxio.music.Genre
 import org.oxycblt.auxio.music.Header
 import org.oxycblt.auxio.playback.PlaybackViewModel
 import org.oxycblt.auxio.playback.state.PlaybackMode
@@ -106,13 +107,7 @@ class QueueFragment : Fragment() {
         val queue = mutableListOf<BaseModel>()
 
         if (playbackModel.userQueue.value!!.isNotEmpty()) {
-            queue.add(
-                Header(
-                    id = 0,
-                    name = getString(R.string.label_next_user_queue),
-                    isAction = true
-                )
-            )
+            queue.add(Header(id = 0, name = getString(R.string.label_next_user_queue), isAction = true))
             queue.addAll(playbackModel.userQueue.value!!)
         }
 
@@ -120,13 +115,7 @@ class QueueFragment : Fragment() {
             queue.add(
                 Header(
                     id = 1,
-                    name = getString(
-                        R.string.format_next_from,
-                        if (playbackModel.mode.value == PlaybackMode.ALL_SONGS)
-                            getString(R.string.label_all_songs)
-                        else
-                            playbackModel.parent.value!!.name
-                    ),
+                    name = getString(R.string.format_next_from, getParentName()),
                     isAction = false
                 )
             )
@@ -135,4 +124,17 @@ class QueueFragment : Fragment() {
 
         return queue
     }
+
+    private fun getParentName(): String {
+        return if (playbackModel.mode.value == PlaybackMode.ALL_SONGS) {
+            getString(R.string.label_all_songs)
+        } else {
+            if (playbackModel.parent.value is Genre) {
+                // Since t
+                (playbackModel.parent.value as Genre).displayName
+            } else {
+                playbackModel.parent.value!!.name
+            }
+        }
+    }
 }

app/src/main/java/org/oxycblt/auxio/songs/SongsAdapter.kt

@@ -23,8 +23,8 @@ class SongsAdapter(
     private val doOnLongClick: (data: Song, view: View) -> Unit
 ) : RecyclerView.Adapter<SongsAdapter.SongViewHolder>() {
 
-    private var currentSong: Song? = null
-    private var lastHolder: Highlightable? = null
+/*    private var currentSong: Song? = null
+    private var lastHolder: Highlightable? = null*/
 
     override fun getItemCount(): Int = data.size
 
@@ -37,7 +37,7 @@ class SongsAdapter(
     override fun onBindViewHolder(holder: SongViewHolder, position: Int) {
         holder.bind(data[position])
 
-        if (currentSong != null) {
+/*        if (currentSong != null) {
             if (data[position].id == currentSong?.id) {
                 // Reset the last ViewHolder before assigning the new, correct one to be highlighted
                 lastHolder?.setHighlighted(false)
@@ -46,17 +46,17 @@ class SongsAdapter(
             } else {
                 holder.setHighlighted(false)
             }
-        }
+        }*/
     }
 
-    fun setCurrentSong(song: Song?) {
+/*    fun setCurrentSong(song: Song?) {
         // Clear out the last ViewHolder as a song update usually signifies that this current
         // ViewHolder is likely invalid.
         lastHolder?.setHighlighted(false)
         lastHolder = null
 
         currentSong = song
-    }
+    }*/
 
     inner class SongViewHolder(
         private val binding: ItemSongBinding

app/src/main/java/org/oxycblt/auxio/songs/SongsFragment.kt

@@ -20,7 +20,6 @@ import org.oxycblt.auxio.detail.DetailViewModel
 import org.oxycblt.auxio.logD
 import org.oxycblt.auxio.music.MusicStore
 import org.oxycblt.auxio.playback.PlaybackViewModel
-import org.oxycblt.auxio.playback.state.PlaybackMode
 import org.oxycblt.auxio.recycler.Highlightable
 import org.oxycblt.auxio.settings.SettingsManager
 import org.oxycblt.auxio.ui.accent
@@ -33,6 +32,8 @@ import kotlin.math.ceil
 /**
  * A [Fragment] that shows a list of all songs on the device. Contains options to search/shuffle
  * them.
+ * TODO: Search
+ * TODO: Sorting
  * @author OxygenCobalt
  */
 class SongsFragment : Fragment() {
@@ -105,9 +106,11 @@ class SongsFragment : Fragment() {
 
         // --- VIEWMODEL SETUP ---
 
+        /*
+        Unused, not needed for SongsFragment
+        TODO: Move this code over to AlbumDetailFragment
         playbackModel.song.observe(viewLifecycleOwner) { song ->
             if (playbackModel.mode.value == PlaybackMode.ALL_SONGS) {
-                logD(playbackModel.isInUserQueue.toString())
                 songAdapter.setCurrentSong(song)
 
                 lastHolder?.setHighlighted(false)
@@ -126,16 +129,24 @@ class SongsFragment : Fragment() {
                         }
                     }
                 }
+            } else {
+                // Clear the viewholders if the mode isnt ALL_SONGS
+                songAdapter.setCurrentSong(null)
+
+                lastHolder?.setHighlighted(false)
+                lastHolder = null
             }
         }
 
         playbackModel.isInUserQueue.observe(viewLifecycleOwner) {
             if (it) {
+                // Remove any highlighted ViewHolders if the playback is in the user queue.
                 songAdapter.setCurrentSong(null)
                 lastHolder?.setHighlighted(false)
                 lastHolder = null
             }
         }
+         */
 
         setupFastScroller(binding)
 

app/src/main/res/menu/menu_artist_actions.xml

@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/action_play_albums"
+        android:icon="@drawable/ic_play"
+        android:title="@string/label_play"
+        app:showAsAction="never" />
     <item
         android:id="@+id/action_shuffle"
         android:icon="@drawable/ic_shuffle"
         android:title="@string/label_shuffle"
         app:showAsAction="ifRoom" />
-    <item
-        android:id="@+id/action_play_albums"
-        android:icon="@drawable/ic_play"
-        android:title="@string/label_play_albums"
-        app:showAsAction="never" />
 </menu>

app/src/main/res/values/arrays.xml

@@ -28,12 +28,14 @@
         <item>@string/label_play_all_songs</item>
         <item>@string/label_play_artist</item>
         <item>@string/label_play_album</item>
+        <item>@string/label_play_genre</item>
     </array>
 
     <array name="values_song_playback_mode">
         <item>ALL_SONGS</item>
         <item>IN_ARTIST</item>
         <item>IN_ALBUM</item>
+        <item>IN_GENRE</item>
     </array>
 
     <array name="entries_at_end">

app/src/main/res/values/strings.xml

@@ -26,10 +26,10 @@
     <string name="label_play_all_songs">Play from all songs</string>
     <string name="label_play_artist">Play from artist</string>
     <string name="label_play_album">Play from album</string>
+    <string name="label_play_genre">Play from genre</string>
 
     <string name="label_go_artist">Go to artist</string>
     <string name="label_go_album">Go to album</string>
-    <string name="label_play_albums">Play albums</string>
 
     <string name="label_queue">Queue</string>
     <string name="label_queue_add">Add to queue</string>