feat: improved item placeholders

app/src/main/java/com/cappielloantonio/tempo/glide/CustomGlideRequest.java

@@ -5,6 +5,9 @@ import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.util.Log;
 
+import androidx.annotation.Nullable;
+import androidx.appcompat.content.res.AppCompatResources;
+
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.RequestBuilder;
 import com.bumptech.glide.RequestManager;
@@ -15,6 +18,7 @@ import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions;
 import com.bumptech.glide.request.RequestOptions;
 import com.bumptech.glide.signature.ObjectKey;
 import com.cappielloantonio.tempo.App;
+import com.cappielloantonio.tempo.R;
 import com.cappielloantonio.tempo.util.Preferences;
 import com.cappielloantonio.tempo.util.Util;
 import com.google.android.material.elevation.SurfaceColors;
@@ -28,10 +32,49 @@ public class CustomGlideRequest {
 
     public static final DiskCacheStrategy DEFAULT_DISK_CACHE_STRATEGY = DiskCacheStrategy.ALL;
 
-    public static RequestOptions createRequestOptions(Context context, String item) {
+    public enum ResourceType {
+        Unknown,
+        Album,
+        Artist,
+        Directory,
+        Playlist,
+        Podcast,
+        Radio,
+        Song,
+    }
+
+    public static RequestOptions createRequestOptions(Context context, String item, ResourceType type) {
+        Drawable drawable = new ColorDrawable(SurfaceColors.SURFACE_5.getColor(context));
+        if (type != ResourceType.Unknown) {
+            int res = 0;
+            switch (type) {
+                case Album:
+                    res = R.drawable.ic_album_placeholder;
+                    break;
+                case Artist:
+                    res = R.drawable.ic_artist_placeholder;
+                    break;
+                case Directory:
+                    res = R.drawable.ic_directory_placeholder;
+                    break;
+                case Playlist:
+                    res = R.drawable.ic_playlist_placeholder;
+                    break;
+                case Podcast:
+                    res = R.drawable.ic_podcast_placeholder;
+                    break;
+                case Radio:
+                    res = R.drawable.ic_radio_placeholder;
+                    break;
+                case Song:
+                    res = R.drawable.ic_song_placeholder;
+                    break;
+            }
+            drawable = AppCompatResources.getDrawable(context, res);
+        }
         return new RequestOptions()
-                .placeholder(new ColorDrawable(SurfaceColors.SURFACE_5.getColor(context)))
+                .placeholder(drawable)
-                .fallback(new ColorDrawable(SurfaceColors.SURFACE_5.getColor(context)))
+                .fallback(drawable)
                 .error(new ColorDrawable(SurfaceColors.SURFACE_5.getColor(context)))
                 .diskCacheStrategy(DEFAULT_DISK_CACHE_STRATEGY)
                 .signature(new ObjectKey(item != null ? item : 0))
@@ -72,18 +115,22 @@ public class CustomGlideRequest {
         private final RequestManager requestManager;
         private Object item;
 
-        private Builder(Context context, String item) {
+        private Builder(Context context, String item, ResourceType type) {
             this.requestManager = Glide.with(context);
 
             if (item != null && !Preferences.isDataSavingMode()) {
                 this.item = createUrl(item, Preferences.getImageSize());
             }
 
-            requestManager.applyDefaultRequestOptions(createRequestOptions(context, item));
+            requestManager.applyDefaultRequestOptions(createRequestOptions(context, item, type));
+        }
+
+        public static Builder from(Context context, String item, @Nullable ResourceType type) {
+            return new Builder(context, item, type);
         }
 
         public static Builder from(Context context, String item) {
-            return new Builder(context, item);
+            return Builder.from(context, item, ResourceType.Unknown);
         }
 
         public RequestBuilder<Drawable> build() {

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/AlbumAdapter.java

@@ -42,7 +42,7 @@ public class AlbumAdapter extends RecyclerView.Adapter<AlbumAdapter.ViewHolder>
         holder.item.artistNameLabel.setText(MusicUtil.getReadableString(album.getArtist()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), album.getCoverArtId())
+                .from(holder.itemView.getContext(), album.getCoverArtId(), CustomGlideRequest.ResourceType.Album)
                 .build()
                 .into(holder.item.albumCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/AlbumArtistPageOrSimilarAdapter.java

@@ -42,7 +42,7 @@ public class AlbumArtistPageOrSimilarAdapter extends RecyclerView.Adapter<AlbumA
         holder.item.artistNameLabel.setText(MusicUtil.getReadableString(album.getArtist()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), album.getCoverArtId())
+                .from(holder.itemView.getContext(), album.getCoverArtId(), CustomGlideRequest.ResourceType.Album)
                 .build()
                 .into(holder.item.artistPageAlbumCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/AlbumCatalogueAdapter.java

@@ -77,7 +77,7 @@ public class AlbumCatalogueAdapter extends RecyclerView.Adapter<AlbumCatalogueAd
         holder.item.artistNameLabel.setText(MusicUtil.getReadableString(album.getArtist()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), album.getCoverArtId())
+                .from(holder.itemView.getContext(), album.getCoverArtId(), CustomGlideRequest.ResourceType.Album)
                 .build()
                 .into(holder.item.albumCatalogueCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/AlbumHorizontalAdapter.java

@@ -44,7 +44,7 @@ public class AlbumHorizontalAdapter extends RecyclerView.Adapter<AlbumHorizontal
         holder.item.albumArtistTextView.setText(MusicUtil.getReadableString(album.getArtist()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), album.getCoverArtId())
+                .from(holder.itemView.getContext(), album.getCoverArtId(), CustomGlideRequest.ResourceType.Album)
                 .build()
                 .into(holder.item.albumCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/ArtistAdapter.java

@@ -47,7 +47,7 @@ public class ArtistAdapter extends RecyclerView.Adapter<ArtistAdapter.ViewHolder
         holder.item.artistNameLabel.setText(MusicUtil.getReadableString(artist.getName()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), artist.getCoverArtId())
+                .from(holder.itemView.getContext(), artist.getCoverArtId(), CustomGlideRequest.ResourceType.Artist)
                 .build()
                 .into(holder.item.artistCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/ArtistCatalogueAdapter.java

@@ -77,7 +77,7 @@ public class ArtistCatalogueAdapter extends RecyclerView.Adapter<ArtistCatalogue
         holder.item.artistNameLabel.setText(MusicUtil.getReadableString(artist.getName()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), artist.getCoverArtId())
+                .from(holder.itemView.getContext(), artist.getCoverArtId(), CustomGlideRequest.ResourceType.Artist)
                 .build()
                 .into(holder.item.artistCatalogueCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/ArtistHorizontalAdapter.java

@@ -48,7 +48,7 @@ public class ArtistHorizontalAdapter extends RecyclerView.Adapter<ArtistHorizont
         }
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), artist.getCoverArtId())
+                .from(holder.itemView.getContext(), artist.getCoverArtId(), CustomGlideRequest.ResourceType.Artist)
                 .build()
                 .into(holder.item.artistCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/ArtistSimilarAdapter.java

@@ -41,7 +41,7 @@ public class ArtistSimilarAdapter extends RecyclerView.Adapter<ArtistSimilarAdap
         holder.item.artistNameLabel.setText(MusicUtil.getReadableString(artist.getName()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), artist.getCoverArtId())
+                .from(holder.itemView.getContext(), artist.getCoverArtId(), CustomGlideRequest.ResourceType.Artist)
                 .build()
                 .into(holder.item.similarArtistCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/DiscoverSongAdapter.java

@@ -43,7 +43,7 @@ public class DiscoverSongAdapter extends RecyclerView.Adapter<DiscoverSongAdapte
         holder.item.albumDiscoverSongLabel.setText(MusicUtil.getReadableString(song.getAlbum()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), song.getCoverArtId())
+                .from(holder.itemView.getContext(), song.getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                 .build()
                 .into(holder.item.discoverSongCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/DownloadHorizontalAdapter.java

@@ -163,7 +163,7 @@ public class DownloadHorizontalAdapter extends RecyclerView.Adapter<DownloadHori
         holder.item.downloadedItemPreTextView.setText(MusicUtil.getReadableString(song.getAlbum()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), song.getCoverArtId())
+                .from(holder.itemView.getContext(), song.getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                 .build()
                 .into(holder.item.itemCoverImageView);
 
@@ -186,7 +186,7 @@ public class DownloadHorizontalAdapter extends RecyclerView.Adapter<DownloadHori
         holder.item.downloadedItemPreTextView.setText(MusicUtil.getReadableString(song.getArtist()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), song.getCoverArtId())
+                .from(holder.itemView.getContext(), song.getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                 .build()
                 .into(holder.item.itemCoverImageView);
 
@@ -208,7 +208,7 @@ public class DownloadHorizontalAdapter extends RecyclerView.Adapter<DownloadHori
         holder.item.downloadedItemSubtitleTextView.setText(holder.itemView.getContext().getString(R.string.download_item_single_subtitle_formatter, countSong(Constants.DOWNLOAD_TYPE_ARTIST, song.getArtistId(), songs)));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), song.getCoverArtId())
+                .from(holder.itemView.getContext(), song.getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                 .build()
                 .into(holder.item.itemCoverImageView);
 

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/GridTrackAdapter.java

@@ -39,7 +39,7 @@ public class GridTrackAdapter extends RecyclerView.Adapter<GridTrackAdapter.View
         Chronology item = items.get(position);
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), item.getCoverArtId())
+                .from(holder.itemView.getContext(), item.getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                 .build()
                 .into(holder.item.trackCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/InternetRadioStationAdapter.java

@@ -43,7 +43,7 @@ public class InternetRadioStationAdapter extends RecyclerView.Adapter<InternetRa
         holder.item.internetRadioStationSubtitleTextView.setText(internetRadioStation.getStreamUrl());
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), internetRadioStation.getStreamUrl())
+                .from(holder.itemView.getContext(), internetRadioStation.getStreamUrl(), CustomGlideRequest.ResourceType.Radio)
                 .build()
                 .into(holder.item.internetRadioStationCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/MusicDirectoryAdapter.java

@@ -43,8 +43,12 @@ public class MusicDirectoryAdapter extends RecyclerView.Adapter<MusicDirectoryAd
 
         holder.item.musicDirectoryTitleTextView.setText(child.getTitle());
 
+        CustomGlideRequest.ResourceType type = child.isDir()
+                ? CustomGlideRequest.ResourceType.Directory
+                : CustomGlideRequest.ResourceType.Song;
+
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), child.getCoverArtId())
+                .from(holder.itemView.getContext(), child.getCoverArtId(), type)
                 .build()
                 .into(holder.item.musicDirectoryCoverImageView);
 

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/MusicFolderAdapter.java

@@ -42,7 +42,7 @@ public class MusicFolderAdapter extends RecyclerView.Adapter<MusicFolderAdapter.
         holder.item.musicFolderTitleTextView.setText(musicFolder.getName());
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), musicFolder.getName())
+                .from(holder.itemView.getContext(), musicFolder.getName(), CustomGlideRequest.ResourceType.Directory)
                 .build()
                 .into(holder.item.musicFolderCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/PlayerSongQueueAdapter.java

@@ -49,7 +49,7 @@ public class PlayerSongQueueAdapter extends RecyclerView.Adapter<PlayerSongQueue
         holder.item.queueSongSubtitleTextView.setText(holder.itemView.getContext().getString(R.string.song_subtitle_formatter, MusicUtil.getReadableString(song.getArtist()), MusicUtil.getReadableDurationString(song.getDuration(), false)));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), song.getCoverArtId())
+                .from(holder.itemView.getContext(), song.getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                 .build()
                 .into(holder.item.queueSongCoverImageView);
 

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/PlaylistDialogSongHorizontalAdapter.java

@@ -37,7 +37,7 @@ public class PlaylistDialogSongHorizontalAdapter extends RecyclerView.Adapter<Pl
         holder.item.playlistDialogSongDurationTextView.setText(MusicUtil.getReadableDurationString(song.getDuration(), false));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), song.getCoverArtId())
+                .from(holder.itemView.getContext(), song.getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                 .build()
                 .into(holder.item.playlistDialogSongCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/PlaylistHorizontalAdapter.java

@@ -79,7 +79,7 @@ public class PlaylistHorizontalAdapter extends RecyclerView.Adapter<PlaylistHori
         holder.item.playlistSubtitleTextView.setText(holder.itemView.getContext().getString(R.string.playlist_counted_tracks, playlist.getSongCount(), MusicUtil.getReadableDurationString(playlist.getDuration(), false)));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), playlist.getCoverArtId())
+                .from(holder.itemView.getContext(), playlist.getCoverArtId(), CustomGlideRequest.ResourceType.Playlist)
                 .build()
                 .into(holder.item.playlistCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/PodcastChannelCatalogueAdapter.java

@@ -75,7 +75,7 @@ public class PodcastChannelCatalogueAdapter extends RecyclerView.Adapter<Podcast
         holder.item.podcastChannelTitleLabel.setText(MusicUtil.getReadableString(podcastChannel.getTitle()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), podcastChannel.getCoverArtId())
+                .from(holder.itemView.getContext(), podcastChannel.getCoverArtId(), CustomGlideRequest.ResourceType.Podcast)
                 .build()
                 .into(holder.item.podcastChannelCatalogueCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/PodcastChannelHorizontalAdapter.java

@@ -42,7 +42,7 @@ public class PodcastChannelHorizontalAdapter extends RecyclerView.Adapter<Podcas
         holder.item.podcastChannelDescriptionTextView.setText(MusicUtil.getReadableString(podcastChannel.getDescription()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), podcastChannel.getOriginalImageUrl())
+                .from(holder.itemView.getContext(), podcastChannel.getOriginalImageUrl(), CustomGlideRequest.ResourceType.Podcast)
                 .build()
                 .into(holder.item.podcastChannelCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/PodcastEpisodeAdapter.java

@@ -51,7 +51,7 @@ public class PodcastEpisodeAdapter extends RecyclerView.Adapter<PodcastEpisodeAd
         holder.item.podcastDescriptionText.setText(MusicUtil.getReadableString(podcastEpisode.getDescription()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), podcastEpisode.getCoverArtId())
+                .from(holder.itemView.getContext(), podcastEpisode.getCoverArtId(), CustomGlideRequest.ResourceType.Podcast)
                 .build()
                 .into(holder.item.podcastCoverImageView);
 

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/SimilarTrackAdapter.java

@@ -41,7 +41,7 @@ public class SimilarTrackAdapter extends RecyclerView.Adapter<SimilarTrackAdapte
         holder.item.titleTrackLabel.setText(MusicUtil.getReadableString(song.getTitle()));
 
         CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), song.getCoverArtId())
+                .from(holder.itemView.getContext(), song.getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                 .build()
                 .into(holder.item.trackCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/adapter/SongHorizontalAdapter.java

@@ -59,7 +59,7 @@ public class SongHorizontalAdapter extends RecyclerView.Adapter<SongHorizontalAd
         }
 
         if (showCoverArt) CustomGlideRequest.Builder
-                .from(holder.itemView.getContext(), song.getCoverArtId())
+                .from(holder.itemView.getContext(), song.getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                 .build()
                 .into(holder.item.songCoverImageView);
 

app/src/main/java/com/cappielloantonio/tempo/ui/dialog/TrackInfoDialog.java

@@ -58,7 +58,7 @@ public class TrackInfoDialog extends DialogFragment {
 
         if (mediaMetadata.extras != null) {
             CustomGlideRequest.Builder
-                    .from(requireContext(), mediaMetadata.extras.getString("coverArtId", ""))
+                    .from(requireContext(), mediaMetadata.extras.getString("coverArtId", ""), CustomGlideRequest.ResourceType.Song)
                     .build()
                     .into(bind.trackCoverInfoImageView);
 

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/AlbumPageFragment.java

@@ -172,7 +172,7 @@ public class AlbumPageFragment extends Fragment implements ClickCallback {
 
     private void initBackCover() {
         CustomGlideRequest.Builder
-                .from(requireContext(), albumPageViewModel.getAlbum().getCoverArtId())
+                .from(requireContext(), albumPageViewModel.getAlbum().getCoverArtId(), CustomGlideRequest.ResourceType.Album)
                 .build()
                 .into(bind.albumCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/ArtistPageFragment.java

@@ -119,7 +119,7 @@ public class ArtistPageFragment extends Fragment implements ClickCallback {
                     bind.bioMoreTextViewClickable.setVisibility(artistInfo.getLastFmUrl() != null ? View.VISIBLE : View.GONE);
 
                 if (getContext() != null && bind != null) CustomGlideRequest.Builder
-                        .from(requireContext(), artistPageViewModel.getArtist().getId())
+                        .from(requireContext(), artistPageViewModel.getArtist().getId(), CustomGlideRequest.ResourceType.Artist)
                         .build()
                         .into(bind.artistBackdropImageView);
 

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/PlayerBottomSheetFragment.java

@@ -161,7 +161,7 @@ public class PlayerBottomSheetFragment extends Fragment {
             bind.playerHeaderLayout.playerHeaderMediaArtistLabel.setText(MusicUtil.getReadableString(mediaMetadata.extras.getString("artist")));
 
             CustomGlideRequest.Builder
-                    .from(requireContext(), mediaMetadata.extras.getString("coverArtId"))
+                    .from(requireContext(), mediaMetadata.extras.getString("coverArtId"), CustomGlideRequest.ResourceType.Song)
                     .build()
                     .into(bind.playerHeaderLayout.playerHeaderMediaCoverImage);
         }

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/PlayerCoverFragment.java

@@ -182,7 +182,7 @@ public class PlayerCoverFragment extends Fragment {
 
     private void setCover(MediaMetadata mediaMetadata) {
         CustomGlideRequest.Builder
-                .from(requireContext(), mediaMetadata.extras != null ? mediaMetadata.extras.getString("coverArtId") : null)
+                .from(requireContext(), mediaMetadata.extras != null ? mediaMetadata.extras.getString("coverArtId") : null, CustomGlideRequest.ResourceType.Song)
                 .build()
                 .into(bind.nowPlayingSongCoverImageView);
     }

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/PlaylistPageFragment.java

@@ -167,28 +167,28 @@ public class PlaylistPageFragment extends Fragment implements ClickCallback {
 
                 // Pic top-left
                 CustomGlideRequest.Builder
-                        .from(requireContext(), songs.size() > 0 ? songs.get(0).getCoverArtId() : playlistPageViewModel.getPlaylist().getCoverArtId())
+                        .from(requireContext(), songs.size() > 0 ? songs.get(0).getCoverArtId() : playlistPageViewModel.getPlaylist().getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                         .build()
                         .transform(new GranularRoundedCorners(CustomGlideRequest.CORNER_RADIUS, 0, 0, 0))
                         .into(bind.playlistCoverImageViewTopLeft);
 
                 // Pic top-right
                 CustomGlideRequest.Builder
-                        .from(requireContext(), songs.size() > 1 ? songs.get(1).getCoverArtId() : playlistPageViewModel.getPlaylist().getCoverArtId())
+                        .from(requireContext(), songs.size() > 1 ? songs.get(1).getCoverArtId() : playlistPageViewModel.getPlaylist().getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                         .build()
                         .transform(new GranularRoundedCorners(0, CustomGlideRequest.CORNER_RADIUS, 0, 0))
                         .into(bind.playlistCoverImageViewTopRight);
 
                 // Pic bottom-left
                 CustomGlideRequest.Builder
-                        .from(requireContext(), songs.size() > 2 ? songs.get(2).getCoverArtId() : playlistPageViewModel.getPlaylist().getCoverArtId())
+                        .from(requireContext(), songs.size() > 2 ? songs.get(2).getCoverArtId() : playlistPageViewModel.getPlaylist().getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                         .build()
                         .transform(new GranularRoundedCorners(0, 0, 0, CustomGlideRequest.CORNER_RADIUS))
                         .into(bind.playlistCoverImageViewBottomLeft);
 
                 // Pic bottom-right
                 CustomGlideRequest.Builder
-                        .from(requireContext(), songs.size() > 3 ? songs.get(3).getCoverArtId() : playlistPageViewModel.getPlaylist().getCoverArtId())
+                        .from(requireContext(), songs.size() > 3 ? songs.get(3).getCoverArtId() : playlistPageViewModel.getPlaylist().getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                         .build()
                         .transform(new GranularRoundedCorners(0, 0, CustomGlideRequest.CORNER_RADIUS, 0))
                         .into(bind.playlistCoverImageViewBottomRight);

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/bottomsheetdialog/AlbumBottomSheetDialog.java

@@ -79,7 +79,7 @@ public class AlbumBottomSheetDialog extends BottomSheetDialogFragment implements
     private void init(View view) {
         ImageView coverAlbum = view.findViewById(R.id.album_cover_image_view);
         CustomGlideRequest.Builder
-                .from(requireContext(), albumBottomSheetViewModel.getAlbum().getCoverArtId())
+                .from(requireContext(), albumBottomSheetViewModel.getAlbum().getCoverArtId(), CustomGlideRequest.ResourceType.Album)
                 .build()
                 .into(coverAlbum);
 

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/bottomsheetdialog/ArtistBottomSheetDialog.java

@@ -70,7 +70,7 @@ public class ArtistBottomSheetDialog extends BottomSheetDialogFragment implement
     private void init(View view) {
         ImageView coverArtist = view.findViewById(R.id.artist_cover_image_view);
         CustomGlideRequest.Builder
-                .from(requireContext(), artistBottomSheetViewModel.getArtist().getCoverArtId())
+                .from(requireContext(), artistBottomSheetViewModel.getArtist().getCoverArtId(), CustomGlideRequest.ResourceType.Artist)
                 .build()
                 .into(coverArtist);
 

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/bottomsheetdialog/PodcastChannelBottomSheetDialog.java

@@ -63,7 +63,7 @@ public class PodcastChannelBottomSheetDialog extends BottomSheetDialogFragment i
         ImageView coverPodcast = view.findViewById(R.id.podcast_cover_image_view);
 
         CustomGlideRequest.Builder
-                .from(requireContext(), podcastChannelBottomSheetViewModel.getPodcastChannel().getCoverArtId())
+                .from(requireContext(), podcastChannelBottomSheetViewModel.getPodcastChannel().getCoverArtId(), CustomGlideRequest.ResourceType.Podcast)
                 .build()
                 .into(coverPodcast);
 

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/bottomsheetdialog/PodcastEpisodeBottomSheetDialog.java

@@ -65,7 +65,7 @@ public class PodcastEpisodeBottomSheetDialog extends BottomSheetDialogFragment i
         ImageView coverPodcast = view.findViewById(R.id.podcast_cover_image_view);
 
         CustomGlideRequest.Builder
-                .from(requireContext(), podcastEpisodeBottomSheetViewModel.getPodcastEpisode().getCoverArtId())
+                .from(requireContext(), podcastEpisodeBottomSheetViewModel.getPodcastEpisode().getCoverArtId(), CustomGlideRequest.ResourceType.Podcast)
                 .build()
                 .into(coverPodcast);
 

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/bottomsheetdialog/SongBottomSheetDialog.java

@@ -74,7 +74,7 @@ public class SongBottomSheetDialog extends BottomSheetDialogFragment implements
     private void init(View view) {
         ImageView coverSong = view.findViewById(R.id.song_cover_image_view);
         CustomGlideRequest.Builder
-                .from(requireContext(), songBottomSheetViewModel.getSong().getCoverArtId())
+                .from(requireContext(), songBottomSheetViewModel.getSong().getCoverArtId(), CustomGlideRequest.ResourceType.Song)
                 .build()
                 .into(coverSong);
 

app/src/main/res/drawable/ic_album_placeholder.xml

@@ -0,0 +1,18 @@
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:name="vector"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:name="path"
+        android:pathData="M 0 0 L 24 0 L 24 24 L 0 24 Z"
+        android:fillColor="?attr/colorSurfaceContainerHighest"
+        android:strokeWidth="1"/>
+    <path
+        android:name="path_1"
+        android:pathData="M 12 5 C 8.136 5 5 8.136 5 12 C 5 15.864 8.136 19 12 19 C 15.864 19 19 15.864 19 12 C 19 8.136 15.864 5 12 5 Z M 12 15.15 C 10.257 15.15 8.85 13.743 8.85 12 C 8.85 10.257 10.257 8.85 12 8.85 C 13.743 8.85 15.15 10.257 15.15 12 C 15.15 13.743 13.743 15.15 12 15.15 Z M 12 11.3 C 11.615 11.3 11.3 11.615 11.3 12 C 11.3 12.385 11.615 12.7 12 12.7 C 12.385 12.7 12.7 12.385 12.7 12 C 12.7 11.615 12.385 11.3 12 11.3 Z"
+        android:fillColor="?attr/colorOnSurfaceVariant"
+        android:strokeWidth="1"/>
+</vector>

app/src/main/res/drawable/ic_artist_placeholder.xml

@@ -0,0 +1,19 @@
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:name="vector"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:name="path"
+        android:pathData="M 0 0 L 24 0 L 24 24 L 0 24 Z"
+        android:fillColor="?attr/colorSurfaceContainerHighest"
+        android:strokeWidth="1"/>
+    <path
+        android:name="path_1"
+        android:pathData="M 14.531 12.601 C 15.273 13.096 15.793 13.767 15.793 14.661 L 15.793 16.258 L 17.961 16.258 L 17.961 14.661 C 17.961 13.501 16.026 12.814 14.531 12.601 Z M 8.207 9.871 C 8.207 9.307 8.435 8.765 8.842 8.366 C 9.248 7.967 9.8 7.742 10.374 7.742 C 10.949 7.742 11.501 7.967 11.907 8.366 C 12.313 8.765 12.542 9.307 12.542 9.871 C 12.542 10.435 12.313 10.978 11.907 11.376 C 11.501 11.775 10.949 12 10.374 12 C 9.8 12 9.248 11.775 8.842 11.376 C 8.435 10.978 8.207 10.435 8.207 9.871 M 13.626 12 C 14.823 12 15.793 11.047 15.793 9.871 C 15.793 8.695 14.823 7.742 13.626 7.742 C 13.371 7.742 13.133 7.795 12.905 7.87 C 13.355 8.418 13.626 9.115 13.626 9.871 C 13.626 10.627 13.355 11.324 12.905 11.872 C 13.133 11.947 13.371 12 13.626 12 Z M 10.374 12.532 C 8.927 12.532 6.039 13.245 6.039 14.661 L 6.039 16.258 L 14.71 16.258 L 14.71 14.661 C 14.71 13.245 11.821 12.532 10.374 12.532 Z"
+        android:fillColor="?attr/colorOnSurfaceVariant"
+        android:strokeWidth="1"
+        android:fillType="evenOdd"/>
+</vector>

app/src/main/res/drawable/ic_directory_placeholder.xml

@@ -0,0 +1,18 @@
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:name="vector"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:name="path"
+        android:pathData="M 0 0 L 24 0 L 24 24 L 0 24 Z"
+        android:fillColor="?attr/colorSurfaceContainerHighest"
+        android:strokeWidth="1"/>
+    <path
+        android:name="path_1"
+        android:pathData="M 10.834 7.335 L 7.335 7.335 C 6.694 7.335 6.175 7.86 6.175 8.502 L 6.169 15.498 C 6.169 16.14 6.694 16.665 7.335 16.665 L 16.665 16.665 C 17.306 16.665 17.831 16.14 17.831 15.498 L 17.831 9.668 C 17.831 9.026 17.306 8.502 16.665 8.502 L 12 8.502 Z"
+        android:fillColor="?attr/colorOnSurfaceVariant"
+        android:strokeWidth="1"/>
+</vector>

app/src/main/res/drawable/ic_playlist_placeholder.xml

@@ -0,0 +1,18 @@
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:name="vector"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:name="path"
+        android:pathData="M 0 0 L 24 0 L 24 24 L 0 24 Z"
+        android:fillColor="?attr/colorSurfaceContainerHighest"
+        android:strokeWidth="1"/>
+    <path
+        android:name="path_1"
+        android:pathData="M 13.593 8.061 L 5.946 8.061 L 5.946 9.329 L 13.593 9.329 Z M 13.593 10.598 L 5.946 10.598 L 5.946 11.866 L 13.593 11.866 Z M 5.946 14.403 L 11.044 14.403 L 11.044 13.134 L 5.946 13.134 Z M 14.867 8.061 L 14.867 13.249 C 14.669 13.179 14.453 13.134 14.23 13.134 C 13.172 13.134 12.318 13.984 12.318 15.037 C 12.318 16.09 13.172 16.939 14.23 16.939 C 15.288 16.939 16.141 16.09 16.141 15.037 L 16.141 9.329 L 18.053 9.329 L 18.053 8.061 Z"
+        android:fillColor="?attr/colorOnSurfaceVariant"
+        android:strokeWidth="1"/>
+</vector>

app/src/main/res/drawable/ic_podcast_placeholder.xml

@@ -0,0 +1,18 @@
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:name="vector"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:name="path"
+        android:pathData="M 0 0 L 24 0 L 24 24 L 0 24 Z"
+        android:fillColor="?attr/colorSurfaceContainerHighest"
+        android:strokeWidth="1"/>
+    <path
+        android:name="path_1"
+        android:pathData="M 13.4 12 C 13.4 12.518 13.12 12.966 12.7 13.204 L 12.7 19 L 11.3 19 L 11.3 13.204 C 10.88 12.959 10.6 12.518 10.6 12 C 10.6 11.23 11.23 10.6 12 10.6 C 12.77 10.6 13.4 11.23 13.4 12 Z M 12 7.8 C 9.683 7.8 7.8 9.683 7.8 12 C 7.8 13.218 8.325 14.317 9.158 15.08 L 10.152 14.086 C 9.571 13.575 9.2 12.833 9.2 12 C 9.2 10.453 10.453 9.2 12 9.2 C 13.547 9.2 14.8 10.453 14.8 12 C 14.8 12.833 14.429 13.575 13.848 14.086 L 14.842 15.08 C 15.675 14.317 16.2 13.218 16.2 12 C 16.2 9.683 14.317 7.8 12 7.8 Z M 12 5 C 8.136 5 5 8.136 5 12 C 5 13.995 5.84 15.787 7.177 17.068 L 8.171 16.074 C 7.086 15.052 6.4 13.603 6.4 12 C 6.4 8.913 8.913 6.4 12 6.4 C 15.087 6.4 17.6 8.913 17.6 12 C 17.6 13.603 16.914 15.052 15.829 16.074 L 16.823 17.068 C 18.16 15.787 19 13.995 19 12 C 19 8.136 15.864 5 12 5 Z"
+        android:fillColor="?attr/colorOnSurfaceVariant"
+        android:strokeWidth="1"/>
+</vector>

app/src/main/res/drawable/ic_radio_placeholder.xml

@@ -0,0 +1,18 @@
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:name="vector"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:name="path"
+        android:pathData="M 0 0 L 24 0 L 24 24 L 0 24 Z"
+        android:fillColor="?attr/colorSurfaceContainerHighest"
+        android:strokeWidth="1"/>
+    <path
+        android:name="path_1"
+        android:pathData="M 7.119 8.519 C 6.712 8.675 6.428 9.087 6.428 9.55 L 6.428 16.237 C 6.428 16.85 6.924 17.351 7.542 17.351 L 16.458 17.351 C 17.076 17.351 17.572 16.85 17.572 16.237 L 17.572 9.55 C 17.572 8.931 17.076 8.435 16.458 8.435 L 9.938 8.435 L 14.541 6.574 L 14.162 5.649 Z M 9.214 16.237 C 8.289 16.237 7.542 15.49 7.542 14.565 C 7.542 13.64 8.289 12.893 9.214 12.893 C 10.139 12.893 10.886 13.64 10.886 14.565 C 10.886 15.49 10.139 16.237 9.214 16.237 Z M 16.458 11.779 L 15.343 11.779 L 15.343 10.664 L 14.229 10.664 L 14.229 11.779 L 7.542 11.779 L 7.542 9.55 L 16.458 9.55 Z"
+        android:fillColor="?attr/colorOnSurfaceVariant"
+        android:strokeWidth="1"/>
+</vector>

app/src/main/res/drawable/ic_song_placeholder.xml

@@ -0,0 +1,18 @@
+<vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:name="vector"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:name="path"
+        android:pathData="M 0 0 L 24 0 L 24 24 L 0 24 Z"
+        android:fillColor="?attr/colorSurfaceContainerHighest"
+        android:strokeWidth="1"/>
+    <path
+        android:name="path_1"
+        android:pathData="M 12.15 6.255 L 12.15 12.989 C 11.775 12.772 11.342 12.638 10.878 12.638 C 9.472 12.638 8.334 13.781 8.334 15.192 C 8.334 16.602 9.472 17.745 10.878 17.745 C 12.284 17.745 13.422 16.602 13.422 15.192 L 13.422 8.808 L 15.966 8.808 L 15.966 6.255 Z"
+        android:fillColor="?attr/colorOnSurfaceVariant"
+        android:strokeWidth="1"/>
+</vector>

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

@@ -8,6 +8,7 @@
         android:id="@+id/discover_song_cover_image_view"
         android:layout_width="match_parent"
         android:layout_height="196dp"
+        android:background="?attr/colorSurfaceContainerHighest"
         android:foreground="@drawable/gradient_discover_background_image" />
 
     <TextView