#2652 (part of): Expose keep in-progress at front as a preference

(in Playback > Queue section)

app/src/main/java/de/danoeh/antennapod/fragment/preferences/PlaybackPreferencesFragment.java

@@ -63,6 +63,20 @@ public class PlaybackPreferencesFragment extends PreferenceFragmentCompat {
             behaviour.setEntries(R.array.video_background_behavior_options_without_pip);
             behaviour.setEntryValues(R.array.video_background_behavior_values_without_pip);
         }
+
+        findPreference(UserPreferences.PREF_QUEUE_ADD_TO_FRONT).setOnPreferenceChangeListener(
+                (preference, newValue) -> {
+                    if (newValue instanceof Boolean) {
+                        boolean enableKeepInProgressAtFront = ((Boolean) newValue);
+                        checkKeepInProgressAtFrontItemVisibility(enableKeepInProgressAtFront);
+                    }
+                    return true;
+                });
+        checkKeepInProgressAtFrontItemVisibility(UserPreferences.enqueueAtFront());
+    }
+
+    private void checkKeepInProgressAtFrontItemVisibility(boolean enabled) {
+        findPreference(UserPreferences.PREF_QUEUE_KEEP_IN_PROGESS_AT_FRONT).setEnabled(enabled);
     }
 
     private void buildSmartMarkAsPlayedPreference() {

app/src/main/res/xml/preferences_playback.xml

@@ -96,6 +96,12 @@
                 android:key="prefQueueAddToFront"
                 android:summary="@string/pref_queueAddToFront_sum"
                 android:title="@string/pref_queueAddToFront_title"/>
+        <SwitchPreference
+            android:defaultValue="false"
+            android:enabled="false"
+            android:key="prefQueueKeepInProgressAtFront"
+            android:summary="@string/pref_queueKeepInProgressAtFront_sum"
+            android:title="@string/pref_queueKeepInProgressAtFront_title"/>
         <SwitchPreference
                 android:defaultValue="true"
                 android:enabled="true"

core/src/main/java/de/danoeh/antennapod/core/preferences/UserPreferences.java

@@ -62,7 +62,8 @@ public class UserPreferences {
     private static final String PREF_BACK_BUTTON_GO_TO_PAGE = "prefBackButtonGoToPage";
 
     // Queue
-    private static final String PREF_QUEUE_ADD_TO_FRONT = "prefQueueAddToFront";
+    public static final String PREF_QUEUE_ADD_TO_FRONT = "prefQueueAddToFront";
+    public static final String PREF_QUEUE_KEEP_IN_PROGESS_AT_FRONT = "prefQueueKeepInProgressAtFront";
     public static final String PREF_QUEUE_KEEP_SORTED = "prefQueueKeepSorted";
     public static final String PREF_QUEUE_KEEP_SORTED_ORDER = "prefQueueKeepSortedOrder";
 
@@ -288,6 +289,16 @@ public class UserPreferences {
         return prefs.getBoolean(PREF_QUEUE_ADD_TO_FRONT, false);
     }
 
+    /**
+     *
+     * @return {@code true} if in enqueuing items/podcast episodes, when the existing front item is
+     * in-progress, i.e., the user has played part of it, such item remains at the front of the
+     * queue; {@code false} otherwise.
+     */
+    public static boolean keepInProgressAtFront() {
+        return prefs.getBoolean(PREF_QUEUE_KEEP_IN_PROGESS_AT_FRONT, false);
+    }
+
     public static boolean isPauseOnHeadsetDisconnect() {
         return prefs.getBoolean(PREF_PAUSE_ON_HEADSET_DISCONNECT, true);
     }

core/src/main/java/de/danoeh/antennapod/core/storage/DBWriter.java

@@ -329,7 +329,7 @@ public class DBWriter {
                             new ItemEnqueuePositionCalculator(
                                     new ItemEnqueuePositionCalculator.Options()
                                             .setEnqueueAtFront(UserPreferences.enqueueAtFront())
-                                            .setKeepInProgressAtFront(true) // TODO: to expose with preference
+                                            .setKeepInProgressAtFront(UserPreferences.keepInProgressAtFront())
                                             );
 
                     for (int i = 0; i < itemIds.length; i++) {

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

@@ -456,6 +456,8 @@
     <string name="pref_expand_notify_unsupport_toast">Android versions before 4.1 do not support expanded notifications.</string>
     <string name="pref_queueAddToFront_sum">Add new episodes to the front of the queue.</string>
     <string name="pref_queueAddToFront_title">Enqueue at Front</string>
+    <string name="pref_queueKeepInProgressAtFront_title">Keep In-progress Episode at Front</string>
+    <string name="pref_queueKeepInProgressAtFront_sum">If the episode at front is in-progress, i.e., you have listened to part of it, keep it at the front of the queue.</string>
     <string name="pref_smart_mark_as_played_disabled">Disabled</string>
     <string name="pref_image_cache_size_title">Image Cache Size</string>
     <string name="pref_image_cache_size_sum">Size of the disk cache for images.</string>