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feat: Load media downloaded as file for offline use

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This commit is contained in:
le-firehawk 2025-09-15 23:24:20 +09:30
parent cce6456951
commit 3ba19be4d9
7 changed files with 170 additions and 15 deletions
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9
app/src/main/java/com/cappielloantonio/tempo/ui/adapter/SongHorizontalAdapter.java
View file

@ -24,6 +24,7 @@ import com.cappielloantonio.tempo.subsonic.models.Child;
import com.cappielloantonio.tempo.subsonic.models.DiscTitle;
import com.cappielloantonio.tempo.util.Constants;
import com.cappielloantonio.tempo.util.DownloadUtil;
import com.cappielloantonio.tempo.util.ExternalAudioReader;
import com.cappielloantonio.tempo.util.MusicUtil;
import com.cappielloantonio.tempo.util.Preferences;
import com.google.common.util.concurrent.ListenableFuture;
@ -135,11 +136,19 @@ public class SongHorizontalAdapter extends RecyclerView.Adapter<SongHorizontalAd
holder.item.trackNumberTextView.setText(MusicUtil.getReadableTrackNumber(holder.itemView.getContext(), song.getTrack()));
if (Preferences.getDownloadDirectoryUri() == null) {
if (DownloadUtil.getDownloadTracker(holder.itemView.getContext()).isDownloaded(song.getId())) {
holder.item.searchResultDownloadIndicatorImageView.setVisibility(View.VISIBLE);
} else {
holder.item.searchResultDownloadIndicatorImageView.setVisibility(View.GONE);
}
} else {
if (ExternalAudioReader.getUri(song) != null) {
holder.item.searchResultDownloadIndicatorImageView.setVisibility(View.VISIBLE);
} else {
holder.item.searchResultDownloadIndicatorImageView.setVisibility(View.GONE);
}
}
if (showCoverArt) CustomGlideRequest.Builder
.from(holder.itemView.getContext(), song.getCoverArtId(), CustomGlideRequest.ResourceType.Song)

15
app/src/main/java/com/cappielloantonio/tempo/ui/dialog/DeleteDownloadStorageDialog.java
View file

@ -3,6 +3,9 @@ package com.cappielloantonio.tempo.ui.dialog;
import android.app.Dialog;
import android.os.Bundle;
import android.widget.Button;
import android.net.Uri;
import androidx.documentfile.provider.DocumentFile;
import androidx.annotation.NonNull;
import androidx.annotation.OptIn;
@ -12,6 +15,8 @@ import androidx.media3.common.util.UnstableApi;
import com.cappielloantonio.tempo.R;
import com.cappielloantonio.tempo.databinding.DialogDeleteDownloadStorageBinding;
import com.cappielloantonio.tempo.util.DownloadUtil;
import com.cappielloantonio.tempo.util.ExternalAudioReader;
import com.cappielloantonio.tempo.util.Preferences;
import com.google.android.material.dialog.MaterialAlertDialogBuilder;
@OptIn(markerClass = UnstableApi.class)
@ -43,6 +48,16 @@ public class DeleteDownloadStorageDialog extends DialogFragment {
Button positiveButton = dialog.getButton(Dialog.BUTTON_POSITIVE);
positiveButton.setOnClickListener(v -> {
DownloadUtil.getDownloadTracker(requireContext()).removeAll();
String uriString = Preferences.getDownloadDirectoryUri();
if (uriString != null) {
DocumentFile directory = DocumentFile.fromTreeUri(requireContext(), Uri.parse(uriString));
if (directory != null && directory.canWrite()) {
for (DocumentFile file : directory.listFiles()) {
file.delete();
}
}
ExternalAudioReader.refreshCache();
}
dialog.dismiss();
});

2
app/src/main/java/com/cappielloantonio/tempo/ui/fragment/SettingsFragment.java
View file

@ -49,6 +49,7 @@ import com.cappielloantonio.tempo.ui.dialog.StreamingCacheStorageDialog;
import com.cappielloantonio.tempo.util.DownloadUtil;
import com.cappielloantonio.tempo.util.Preferences;
import com.cappielloantonio.tempo.util.UIUtil;
import com.cappielloantonio.tempo.util.ExternalAudioReader;
import com.cappielloantonio.tempo.viewmodel.SettingViewModel;
import java.util.Locale;
@ -90,6 +91,7 @@ public class SettingsFragment extends PreferenceFragmentCompat {
);
Preferences.setDownloadDirectoryUri(uri.toString());
ExternalAudioReader.refreshCache();
Toast.makeText(requireContext(), "Download folder set.", Toast.LENGTH_SHORT).show();
checkDownloadDirectory();
}

7
app/src/main/java/com/cappielloantonio/tempo/ui/fragment/bottomsheetdialog/DownloadedBottomSheetDialog.java
View file

@ -25,6 +25,8 @@ import com.cappielloantonio.tempo.util.Constants;
import com.cappielloantonio.tempo.util.DownloadUtil;
import com.cappielloantonio.tempo.util.MappingUtil;
import com.cappielloantonio.tempo.util.MusicUtil;
import com.cappielloantonio.tempo.util.ExternalAudioReader;
import com.cappielloantonio.tempo.util.Preferences;
import com.google.android.material.bottomsheet.BottomSheetDialogFragment;
import com.google.common.util.concurrent.ListenableFuture;
@ -117,10 +119,13 @@ public class DownloadedBottomSheetDialog extends BottomSheetDialogFragment imple
TextView removeAll = view.findViewById(R.id.remove_all_text_view);
removeAll.setOnClickListener(v -> {
if (Preferences.getDownloadDirectoryUri() == null) {
List<MediaItem> mediaItems = MappingUtil.mapDownloads(songs);
List<Download> downloads = songs.stream().map(Download::new).collect(Collectors.toList());
DownloadUtil.getDownloadTracker(requireContext()).remove(mediaItems, downloads);
} else {
songs.forEach(ExternalAudioReader::delete);
}
dismissBottomSheet();
});

14
app/src/main/java/com/cappielloantonio/tempo/ui/fragment/bottomsheetdialog/SongBottomSheetDialog.java
View file

@ -31,6 +31,7 @@ import com.cappielloantonio.tempo.ui.dialog.PlaylistChooserDialog;
import com.cappielloantonio.tempo.ui.dialog.RatingDialog;
import com.cappielloantonio.tempo.util.Constants;
import com.cappielloantonio.tempo.util.DownloadUtil;
import com.cappielloantonio.tempo.util.ExternalAudioReader;
import com.cappielloantonio.tempo.util.MappingUtil;
import com.cappielloantonio.tempo.util.MusicUtil;
import com.cappielloantonio.tempo.util.Preferences;
@ -178,10 +179,14 @@ public class SongBottomSheetDialog extends BottomSheetDialogFragment implements
TextView remove = view.findViewById(R.id.remove_text_view);
remove.setOnClickListener(v -> {
if (Preferences.getDownloadDirectoryUri() == null) {
DownloadUtil.getDownloadTracker(requireContext()).remove(
MappingUtil.mapDownload(song),
new Download(song)
);
} else {
ExternalAudioReader.delete(song);
}
dismissBottomSheet();
});
@ -254,12 +259,21 @@ public class SongBottomSheetDialog extends BottomSheetDialogFragment implements
}
private void initDownloadUI(TextView download, TextView remove) {
if (Preferences.getDownloadDirectoryUri() == null) {
if (DownloadUtil.getDownloadTracker(requireContext()).isDownloaded(song.getId())) {
remove.setVisibility(View.VISIBLE);
} else {
download.setVisibility(View.VISIBLE);
remove.setVisibility(View.GONE);
}
} else {
if (ExternalAudioReader.getUri(song) != null) {
remove.setVisibility(View.VISIBLE);
} else {
download.setVisibility(View.VISIBLE);
remove.setVisibility(View.GONE);
}
}
}
private void initializeMediaBrowser() {

102
app/src/main/java/com/cappielloantonio/tempo/util/ExternalAudioReader.java Normal file
View file

@ -0,0 +1,102 @@
package com.cappielloantonio.tempo.util;
import android.net.Uri;
import androidx.documentfile.provider.DocumentFile;
import com.cappielloantonio.tempo.App;
import com.cappielloantonio.tempo.subsonic.models.Child;
import com.cappielloantonio.tempo.subsonic.models.PodcastEpisode;
import java.text.Normalizer;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
public class ExternalAudioReader {
private static final Map<String, DocumentFile> cache = new HashMap<>();
private static String cachedDirUri;
private static String sanitizeFileName(String name) {
String sanitized = name.replaceAll("[\\/:*?\\\"<>|]", "_");
sanitized = sanitized.replaceAll("\\s+", " ").trim();
return sanitized;
}
private static String normalizeForComparison(String name) {
String s = sanitizeFileName(name);
s = Normalizer.normalize(s, Normalizer.Form.NFKD);
s = s.replaceAll("\\p{InCombiningDiacriticalMarks}+", "");
return s.toLowerCase(Locale.ROOT);
}
private static synchronized void ensureCache() {
String uriString = Preferences.getDownloadDirectoryUri();
if (uriString == null) {
cache.clear();
cachedDirUri = null;
return;
}
if (uriString.equals(cachedDirUri)) return;
cache.clear();
DocumentFile directory = DocumentFile.fromTreeUri(App.getContext(), Uri.parse(uriString));
if (directory != null && directory.canRead()) {
for (DocumentFile file : directory.listFiles()) {
String existing = file.getName();
if (existing != null) {
String base = existing.replaceFirst("\\.[^\\.]+$", "");
cache.put(normalizeForComparison(base), file);
}
}
}
cachedDirUri = uriString;
}
/** Rebuilds the cache on next access. */
public static synchronized void refreshCache() {
cachedDirUri = null;
cache.clear();
}
private static String buildKey(String artist, String title, String album) {
String name = artist != null && !artist.isEmpty() ? artist + " - " + title : title;
if (album != null && !album.isEmpty()) name += " (" + album + ")";
return normalizeForComparison(name);
}
private static Uri findUri(String artist, String title, String album) {
ensureCache();
if (cachedDirUri == null) return null;
DocumentFile file = cache.get(buildKey(artist, title, album));
return file != null && file.exists() ? file.getUri() : null;
}
public static Uri getUri(Child media) {
return findUri(media.getArtist(), media.getTitle(), media.getAlbum());
}
public static Uri getUri(PodcastEpisode episode) {
return findUri(episode.getArtist(), episode.getTitle(), episode.getAlbum());
}
public static boolean delete(Child media) {
ensureCache();
if (cachedDirUri == null) return false;
String key = buildKey(media.getArtist(), media.getTitle(), media.getAlbum());
DocumentFile file = cache.get(key);
boolean deleted = false;
if (file != null && file.exists()) {
deleted = file.delete();
}
if (deleted) {
cache.remove(key);
}
return deleted;
}
}

8
app/src/main/java/com/cappielloantonio/tempo/util/MappingUtil.java
View file

@ -217,12 +217,20 @@ public class MappingUtil {
}
private static Uri getUri(Child media) {
if (Preferences.getDownloadDirectoryUri() != null) {
Uri local = ExternalAudioReader.getUri(media);
return local != null ? local : MusicUtil.getStreamUri(media.getId());
}
return DownloadUtil.getDownloadTracker(App.getContext()).isDownloaded(media.getId())
? getDownloadUri(media.getId())
: MusicUtil.getStreamUri(media.getId());
}
private static Uri getUri(PodcastEpisode podcastEpisode) {
if (Preferences.getDownloadDirectoryUri() != null) {
Uri local = ExternalAudioReader.getUri(podcastEpisode);
return local != null ? local : MusicUtil.getStreamUri(podcastEpisode.getStreamId());
}
return DownloadUtil.getDownloadTracker(App.getContext()).isDownloaded(podcastEpisode.getStreamId())
? getDownloadUri(podcastEpisode.getStreamId())
: MusicUtil.getStreamUri(podcastEpisode.getStreamId());