Merge pull request #6045 from bg172/showOverallDurationInPlaylist

show overall duration of videos in playlist

app/src/main/java/org/schabi/newpipe/fragments/list/playlist/PlaylistFragment.java

@@ -89,6 +89,9 @@ public class PlaylistFragment extends BaseListInfoFragment<StreamInfoItem, Playl
 
     private MenuItem playlistBookmarkButton;
 
+    private long streamCount;
+    private long playlistOverallDurationSeconds;
+
     public static PlaylistFragment getInstance(final int serviceId, final String url,
                                                final String name) {
         final PlaylistFragment instance = new PlaylistFragment();
@@ -277,6 +280,12 @@ public class PlaylistFragment extends BaseListInfoFragment<StreamInfoItem, Playl
         animate(headerBinding.uploaderLayout, false, 200);
     }
 
+    @Override
+    public void handleNextItems(final ListExtractor.InfoItemsPage result) {
+        super.handleNextItems(result);
+        setStreamCountAndOverallDuration(result.getItems(), !result.hasNextPage());
+    }
+
     @Override
     public void handleResult(@NonNull final PlaylistInfo result) {
         super.handleResult(result);
@@ -322,8 +331,8 @@ public class PlaylistFragment extends BaseListInfoFragment<StreamInfoItem, Playl
                     .into(headerBinding.uploaderAvatarView);
         }
 
-        headerBinding.playlistStreamCount.setText(Localization
+        streamCount = result.getStreamCount();
-                .localizeStreamCount(getContext(), result.getStreamCount()));
+        setStreamCountAndOverallDuration(result.getRelatedItems(), !result.hasNextPage());
 
         final Description description = result.getDescription();
         if (description != null && description != Description.EMPTY_DESCRIPTION
@@ -486,4 +495,20 @@ public class PlaylistFragment extends BaseListInfoFragment<StreamInfoItem, Playl
         playlistBookmarkButton.setIcon(drawable);
         playlistBookmarkButton.setTitle(titleRes);
     }
+
+    private void setStreamCountAndOverallDuration(final List<StreamInfoItem> list,
+                                                  final boolean isDurationComplete) {
+        if (activity != null && headerBinding != null) {
+            playlistOverallDurationSeconds += list.stream()
+                    .mapToLong(x -> x.getDuration())
+                    .sum();
+            headerBinding.playlistStreamCount.setText(
+                Localization.concatenateStrings(
+                    Localization.localizeStreamCount(activity, streamCount),
+                    Localization.getDurationString(playlistOverallDurationSeconds,
+                            isDurationComplete))
+            );
+        }
+    }
+
 }

app/src/main/java/org/schabi/newpipe/local/playlist/LocalPlaylistFragment.java

@@ -502,7 +502,7 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
                     }
 
                     final long videoCount = itemListAdapter.getItemsList().size();
-                    setVideoCount(videoCount);
+                    setStreamCountAndOverallDuration(itemListAdapter.getItemsList());
                     if (videoCount == 0) {
                         showEmptyState();
                     }
@@ -532,7 +532,7 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
             itemsList.getLayoutManager().onRestoreInstanceState(itemsListState);
             itemsListState = null;
         }
-        setVideoCount(itemListAdapter.getItemsList().size());
+        setStreamCountAndOverallDuration(itemListAdapter.getItemsList());
 
         PlayButtonHelper.initPlaylistControlClickListener(activity, playlistControlBinding, this);
 
@@ -665,7 +665,7 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
                 .subscribe(itemsToKeep -> {
                     itemListAdapter.clearStreamItemList();
                     itemListAdapter.addItems(itemsToKeep);
-                    setVideoCount(itemListAdapter.getItemsList().size());
+                    setStreamCountAndOverallDuration(itemListAdapter.getItemsList());
                     saveChanges();
 
                     hideLoading();
@@ -684,7 +684,7 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
             updateThumbnailUrl();
         }
 
-        setVideoCount(itemListAdapter.getItemsList().size());
+        setStreamCountAndOverallDuration(itemListAdapter.getItemsList());
         saveChanges();
     }
 
@@ -855,10 +855,20 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
         this.name = !TextUtils.isEmpty(title) ? title : "";
     }
 
-    private void setVideoCount(final long count) {
+    private void setStreamCountAndOverallDuration(final ArrayList<LocalItem> itemsList) {
         if (activity != null && headerBinding != null) {
-            headerBinding.playlistStreamCount.setText(Localization
+            final long streamCount = itemsList.size();
-                    .localizeStreamCount(activity, count));
+            final long playlistOverallDurationSeconds = itemsList.stream()
+                    .filter(PlaylistStreamEntry.class::isInstance)
+                    .map(PlaylistStreamEntry.class::cast)
+                    .map(PlaylistStreamEntry::getStreamEntity)
+                    .mapToLong(StreamEntity::getDuration)
+                    .sum();
+            headerBinding.playlistStreamCount.setText(
+                    Localization.concatenateStrings(
+                            Localization.localizeStreamCount(activity, streamCount),
+                            Localization.getDurationString(playlistOverallDurationSeconds))
+            );
         }
     }
 

app/src/main/java/org/schabi/newpipe/util/Localization.java

@@ -238,7 +238,25 @@ public final class Localization {
         }
     }
 
+    /**
+     * Get a readable text for a duration in the format {@code days:hours:minutes:seconds}.
+     * Prepended zeros are removed.
+     * @param duration the duration in seconds
+     * @return a formatted duration String or {@code 0:00} if the duration is zero.
+     */
     public static String getDurationString(final long duration) {
+        return getDurationString(duration, true);
+    }
+
+    /**
+     * Get a readable text for a duration in the format {@code days:hours:minutes:seconds+}.
+     * Prepended zeros are removed. If the given duration is incomplete, a plus is appended to the
+     * duration string.
+     * @param duration the duration in seconds
+     * @param isDurationComplete whether the given duration is complete or whether info is missing
+     * @return a formatted duration String or {@code 0:00} if the duration is zero.
+     */
+    public static String getDurationString(final long duration, final boolean isDurationComplete) {
         final String output;
 
         final long days = duration / (24 * 60 * 60L); /* greater than a day */
@@ -256,7 +274,8 @@ public final class Localization {
         } else {
             output = String.format(Locale.US, "%d:%02d", minutes, seconds);
         }
-        return output;
+        final String durationPostfix = isDurationComplete ? "" : "+";
+        return output + durationPostfix;
     }
 
     /**