#66: add queue actions to clear or shuffle the queue.

app/src/main/java/com/github/apognu/otter/fragments/QueueFragment.kt

@@ -62,6 +62,14 @@ class QueueFragment : BottomSheetDialogFragment() {
     included.queue?.visibility = View.GONE
     placeholder?.visibility = View.VISIBLE
 
+    queue_shuffle.setOnClickListener {
+      CommandBus.send(Command.ShuffleQueue)
+    }
+
+    queue_clear.setOnClickListener {
+      CommandBus.send(Command.ClearQueue)
+    }
+
     refresh()
   }
 

app/src/main/java/com/github/apognu/otter/playback/PlayerService.kt

@@ -186,6 +186,7 @@ class PlayerService : Service() {
           is Command.Seek -> seek(command.progress)
 
           is Command.ClearQueue -> queue.clear()
+          is Command.ShuffleQueue -> queue.shuffle()
 
           is Command.PlayRadio -> {
             queue.clear()

app/src/main/java/com/github/apognu/otter/playback/QueueManager.kt

@@ -179,4 +179,25 @@ class QueueManager(val context: Context) {
     datasources.clear()
     current = -1
   }
+
+  fun shuffle() {
+    if (metadata.size == 0) return
+
+    if (current == -1) {
+      replace(metadata.shuffled())
+    } else {
+      val track = metadata[current]
+      val shuffled = metadata.filter { it != track }.shuffled()
+
+      shuffled.forEach {
+        metadata.remove(it)
+      }
+
+      append(shuffled)
+
+      current = 0
+    }
+
+    EventBus.send(Event.QueueChanged)
+  }
 }

app/src/main/java/com/github/apognu/otter/utils/Bus.kt

@@ -27,6 +27,7 @@ sealed class Command {
   class RemoveFromQueue(val track: Track) : Command()
   class MoveFromQueue(val oldPosition: Int, val newPosition: Int) : Command()
   object ClearQueue : Command()
+  object ShuffleQueue : Command()
   class PlayRadio(val radio: Radio) : Command()
 
   class SetRepeatMode(val mode: Int) : Command()

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

@@ -1,8 +1,47 @@
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
   xmlns:tools="http://schemas.android.com/tools"
   android:layout_width="match_parent"
+  android:layout_height="wrap_content"
   android:background="@color/surface"
-  android:layout_height="wrap_content">
+  android:orientation="vertical">
+
+  <LinearLayout
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="horizontal"
+    android:paddingHorizontal="8dp"
+    android:paddingVertical="4dp">
+
+    <Button
+      android:id="@+id/queue_shuffle"
+      style="@style/Widget.MaterialComponents.Button.OutlinedButton.Icon"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      android:layout_marginEnd="4dp"
+      android:layout_weight="1"
+      android:text="@string/playback_shuffle"
+      android:textColor="@color/colorPrimary"
+      android:textSize="12sp"
+      app:icon="@drawable/shuffle"
+      app:iconTint="@color/colorPrimary"
+      app:rippleColor="@color/ripple" />
+
+    <Button
+      android:id="@+id/queue_clear"
+      style="@style/Widget.MaterialComponents.Button.OutlinedButton.Icon"
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      android:layout_marginStart="4dp"
+      android:layout_weight="1"
+      android:text="@string/playback_queue_clear"
+      android:textColor="@color/colorPrimary"
+      android:textSize="12sp"
+      app:icon="@drawable/delete"
+      app:iconTint="@color/colorPrimary"
+      app:rippleColor="@color/ripple" />
+
+  </LinearLayout>
 
   <androidx.recyclerview.widget.RecyclerView
     android:id="@+id/queue"
@@ -26,4 +65,4 @@
     android:visibility="gone"
     tools:visibility="visible" />
 
-</FrameLayout>
+</LinearLayout>

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

@@ -63,6 +63,7 @@
     <string name="playback_queue_add_item">Ajouter à la liste de lecture</string>
     <string name="playback_queue_play_next">Prochaine écoute</string>
     <string name="playback_queue_download">Télécharger</string>
+    <string name="playback_queue_clear">Effacer</string>
     <string name="manage_add_to_favorites">Ajouter aux favoris</string>
     <string name="control_toggle">Lecture / pause</string>
     <string name="control_previous">Piste précédente</string>

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

@@ -64,6 +64,7 @@
   <string name="playback_queue_add_item">Add to queue</string>
   <string name="playback_queue_play_next">Play next</string>
   <string name="playback_queue_download">Download</string>
+  <string name="playback_queue_clear">Clear</string>
   <string name="manage_add_to_favorites">Add to favorites</string>
   <string name="control_toggle">Toggle playback</string>
   <string name="control_previous">Previous track</string>