738 lines
27 KiB
Java
738 lines
27 KiB
Java
/*
|
|
* Copyright (c) 2020 Hemanth Savarala.
|
|
*
|
|
* Licensed under the GNU General Public License v3
|
|
*
|
|
* This is free software: you can redistribute it and/or modify it under
|
|
* the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
* See the GNU General Public License for more details.
|
|
*/
|
|
|
|
package code.name.monkey.retromusic.fragments.folder;
|
|
|
|
import android.app.Dialog;
|
|
import android.content.Context;
|
|
import android.media.MediaScannerConnection;
|
|
import android.os.Bundle;
|
|
import android.os.Environment;
|
|
import android.text.Html;
|
|
import android.view.LayoutInflater;
|
|
import android.view.MenuItem;
|
|
import android.view.View;
|
|
import android.view.ViewGroup;
|
|
import android.view.ViewGroup.MarginLayoutParams;
|
|
import android.webkit.MimeTypeMap;
|
|
import android.widget.PopupMenu;
|
|
import android.widget.TextView;
|
|
import android.widget.Toast;
|
|
|
|
import androidx.annotation.NonNull;
|
|
import androidx.annotation.Nullable;
|
|
import androidx.loader.app.LoaderManager;
|
|
import androidx.loader.content.Loader;
|
|
import androidx.recyclerview.widget.LinearLayoutManager;
|
|
import androidx.recyclerview.widget.RecyclerView;
|
|
|
|
import com.afollestad.materialcab.MaterialCab;
|
|
import com.google.android.material.dialog.MaterialAlertDialogBuilder;
|
|
import com.google.android.material.snackbar.Snackbar;
|
|
|
|
import java.io.File;
|
|
import java.io.FileFilter;
|
|
import java.io.IOException;
|
|
import java.lang.ref.WeakReference;
|
|
import java.util.ArrayList;
|
|
import java.util.Collections;
|
|
import java.util.Comparator;
|
|
import java.util.LinkedList;
|
|
import java.util.List;
|
|
|
|
import code.name.monkey.appthemehelper.ThemeStore;
|
|
import code.name.monkey.appthemehelper.util.ATHUtil;
|
|
import code.name.monkey.retromusic.R;
|
|
import code.name.monkey.retromusic.adapter.SongFileAdapter;
|
|
import code.name.monkey.retromusic.fragments.base.AbsMainActivityFragment;
|
|
import code.name.monkey.retromusic.helper.MusicPlayerRemote;
|
|
import code.name.monkey.retromusic.helper.menu.SongMenuHelper;
|
|
import code.name.monkey.retromusic.helper.menu.SongsMenuHelper;
|
|
import code.name.monkey.retromusic.interfaces.CabHolder;
|
|
import code.name.monkey.retromusic.interfaces.MainActivityFragmentCallbacks;
|
|
import code.name.monkey.retromusic.misc.DialogAsyncTask;
|
|
import code.name.monkey.retromusic.misc.UpdateToastMediaScannerCompletionListener;
|
|
import code.name.monkey.retromusic.misc.WrappedAsyncTaskLoader;
|
|
import code.name.monkey.retromusic.model.Song;
|
|
import code.name.monkey.retromusic.util.DensityUtil;
|
|
import code.name.monkey.retromusic.util.FileUtil;
|
|
import code.name.monkey.retromusic.util.PreferenceUtil;
|
|
import code.name.monkey.retromusic.util.RetroColorUtil;
|
|
import code.name.monkey.retromusic.util.ThemedFastScroller;
|
|
import code.name.monkey.retromusic.views.BreadCrumbLayout;
|
|
import code.name.monkey.retromusic.views.ScrollingViewOnApplyWindowInsetsListener;
|
|
import me.zhanghai.android.fastscroll.FastScroller;
|
|
|
|
public class FoldersFragment extends AbsMainActivityFragment implements
|
|
MainActivityFragmentCallbacks,
|
|
CabHolder, BreadCrumbLayout.SelectionCallback, SongFileAdapter.Callbacks,
|
|
LoaderManager.LoaderCallbacks<List<File>> {
|
|
|
|
public static final String TAG = FoldersFragment.class.getSimpleName();
|
|
public static final FileFilter AUDIO_FILE_FILTER = file -> !file.isHidden() && (file.isDirectory() ||
|
|
FileUtil.fileIsMimeType(file, "audio/*", MimeTypeMap.getSingleton()) ||
|
|
FileUtil.fileIsMimeType(file, "application/opus", MimeTypeMap.getSingleton()) ||
|
|
FileUtil.fileIsMimeType(file, "application/ogg", MimeTypeMap.getSingleton()));
|
|
public static final String PATH = "path";
|
|
private static final String CRUMBS = "crumbs";
|
|
private static final int LOADER_ID = 5;
|
|
private SongFileAdapter adapter;
|
|
private BreadCrumbLayout breadCrumbs;
|
|
private MaterialCab cab;
|
|
private View coordinatorLayout;
|
|
private View empty;
|
|
private TextView emojiText;
|
|
private Comparator<File> fileComparator = (lhs, rhs) -> {
|
|
if (lhs.isDirectory() && !rhs.isDirectory()) {
|
|
return -1;
|
|
} else if (!lhs.isDirectory() && rhs.isDirectory()) {
|
|
return 1;
|
|
} else {
|
|
return lhs.getName().compareToIgnoreCase
|
|
(rhs.getName());
|
|
}
|
|
};
|
|
private RecyclerView recyclerView;
|
|
|
|
public FoldersFragment() {
|
|
super(R.layout.fragment_folder);
|
|
}
|
|
|
|
public static File getDefaultStartDirectory() {
|
|
File musicDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MUSIC);
|
|
File startFolder;
|
|
if (musicDir.exists() && musicDir.isDirectory()) {
|
|
startFolder = musicDir;
|
|
} else {
|
|
File externalStorage = Environment.getExternalStorageDirectory();
|
|
if (externalStorage.exists() && externalStorage.isDirectory()) {
|
|
startFolder = externalStorage;
|
|
} else {
|
|
startFolder = new File("/"); // root
|
|
}
|
|
}
|
|
return startFolder;
|
|
}
|
|
|
|
public static FoldersFragment newInstance(File directory) {
|
|
FoldersFragment frag = new FoldersFragment();
|
|
Bundle b = new Bundle();
|
|
b.putSerializable(PATH, directory);
|
|
frag.setArguments(b);
|
|
return frag;
|
|
}
|
|
|
|
public static FoldersFragment newInstance(Context context) {
|
|
return newInstance(PreferenceUtil.INSTANCE.getStartDirectory());
|
|
}
|
|
|
|
private static File tryGetCanonicalFile(File file) {
|
|
try {
|
|
return file.getCanonicalFile();
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
return file;
|
|
}
|
|
}
|
|
|
|
@NonNull
|
|
@Override
|
|
public View onCreateView(@NonNull LayoutInflater inflater,
|
|
ViewGroup container,
|
|
Bundle savedInstanceState) {
|
|
View view = inflater.inflate(R.layout.fragment_folder, container, false);
|
|
initViews(view);
|
|
return view;
|
|
}
|
|
|
|
@Override
|
|
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
|
|
setStatusBarColorAuto(view);
|
|
setUpAppbarColor();
|
|
setUpBreadCrumbs();
|
|
setUpRecyclerView();
|
|
setUpAdapter();
|
|
}
|
|
|
|
@Override
|
|
public void onActivityCreated(Bundle savedInstanceState) {
|
|
super.onActivityCreated(savedInstanceState);
|
|
|
|
if (savedInstanceState == null) {
|
|
//noinspection ConstantConditions
|
|
setCrumb(new BreadCrumbLayout.Crumb(FileUtil.safeGetCanonicalFile((File) requireArguments().getSerializable(PATH))), true);
|
|
} else {
|
|
breadCrumbs.restoreFromStateWrapper(savedInstanceState.getParcelable(CRUMBS));
|
|
getLoaderManager().initLoader(LOADER_ID, null, this);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onPause() {
|
|
super.onPause();
|
|
saveScrollPosition();
|
|
}
|
|
|
|
@Override
|
|
public void onSaveInstanceState(@NonNull Bundle outState) {
|
|
super.onSaveInstanceState(outState);
|
|
if (breadCrumbs != null) {
|
|
outState.putParcelable(CRUMBS, breadCrumbs.getStateWrapper());
|
|
}
|
|
|
|
}
|
|
|
|
@Override
|
|
public boolean handleBackPress() {
|
|
if (cab != null && cab.isActive()) {
|
|
cab.finish();
|
|
return true;
|
|
}
|
|
if (breadCrumbs != null && breadCrumbs.popHistory()) {
|
|
setCrumb(breadCrumbs.lastHistory(), false);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
@NonNull
|
|
@Override
|
|
public Loader<List<File>> onCreateLoader(int id, Bundle args) {
|
|
return new AsyncFileLoader(this);
|
|
}
|
|
|
|
@Override
|
|
public void onCrumbSelection(BreadCrumbLayout.Crumb crumb, int index) {
|
|
setCrumb(crumb, true);
|
|
}
|
|
|
|
@Override
|
|
public void onFileMenuClicked(final File file, View view) {
|
|
PopupMenu popupMenu = new PopupMenu(getActivity(), view);
|
|
if (file.isDirectory()) {
|
|
popupMenu.inflate(R.menu.menu_item_directory);
|
|
popupMenu.setOnMenuItemClickListener(item -> {
|
|
final int itemId = item.getItemId();
|
|
switch (itemId) {
|
|
case R.id.action_play_next:
|
|
case R.id.action_add_to_current_playing:
|
|
case R.id.action_add_to_playlist:
|
|
case R.id.action_delete_from_device:
|
|
new ListSongsAsyncTask(getActivity(), null, (songs, extra) -> {
|
|
if (!songs.isEmpty()) {
|
|
SongsMenuHelper.INSTANCE.handleMenuClick(getActivity(), songs, itemId);
|
|
}
|
|
}).execute(new ListSongsAsyncTask.LoadingInfo(toList(file), AUDIO_FILE_FILTER,
|
|
getFileComparator()));
|
|
return true;
|
|
case R.id.action_set_as_start_directory:
|
|
PreferenceUtil.INSTANCE.setStartDirectory(file);
|
|
Toast.makeText(getActivity(),
|
|
String.format(getString(R.string.new_start_directory), file.getPath()),
|
|
Toast.LENGTH_SHORT).show();
|
|
return true;
|
|
case R.id.action_scan:
|
|
new ListPathsAsyncTask(getActivity(), this::scanPaths)
|
|
.execute(new ListPathsAsyncTask.LoadingInfo(file, AUDIO_FILE_FILTER));
|
|
return true;
|
|
}
|
|
return false;
|
|
});
|
|
} else {
|
|
popupMenu.inflate(R.menu.menu_item_file);
|
|
popupMenu.setOnMenuItemClickListener(item -> {
|
|
final int itemId = item.getItemId();
|
|
switch (itemId) {
|
|
case R.id.action_play_next:
|
|
case R.id.action_add_to_current_playing:
|
|
case R.id.action_add_to_playlist:
|
|
case R.id.action_go_to_album:
|
|
case R.id.action_go_to_artist:
|
|
case R.id.action_share:
|
|
case R.id.action_tag_editor:
|
|
case R.id.action_details:
|
|
case R.id.action_set_as_ringtone:
|
|
case R.id.action_delete_from_device:
|
|
new ListSongsAsyncTask(getActivity(), null,
|
|
(songs, extra) -> SongMenuHelper.INSTANCE.handleMenuClick(getActivity(),
|
|
songs.get(0), itemId))
|
|
.execute(new ListSongsAsyncTask.LoadingInfo(toList(file), AUDIO_FILE_FILTER,
|
|
getFileComparator()));
|
|
return true;
|
|
case R.id.action_scan:
|
|
new ListPathsAsyncTask(getActivity(), this::scanPaths)
|
|
.execute(new ListPathsAsyncTask.LoadingInfo(file, AUDIO_FILE_FILTER));
|
|
return true;
|
|
}
|
|
return false;
|
|
});
|
|
}
|
|
popupMenu.show();
|
|
}
|
|
|
|
@Override
|
|
public void onFileSelected(File file) {
|
|
file = tryGetCanonicalFile(file); // important as we compare the path value later
|
|
if (file.isDirectory()) {
|
|
setCrumb(new BreadCrumbLayout.Crumb(file), true);
|
|
} else {
|
|
FileFilter fileFilter = pathname -> !pathname.isDirectory() && AUDIO_FILE_FILTER
|
|
.accept(pathname);
|
|
new ListSongsAsyncTask(getActivity(), file, (songs, extra) -> {
|
|
File file1 = (File) extra;
|
|
int startIndex = -1;
|
|
for (int i = 0; i < songs.size(); i++) {
|
|
if (file1.getPath().equals(songs.get(i).getData())) { // path is already canonical here
|
|
startIndex = i;
|
|
break;
|
|
}
|
|
}
|
|
if (startIndex > -1) {
|
|
MusicPlayerRemote.INSTANCE.openQueue(songs, startIndex, true);
|
|
} else {
|
|
final File finalFile = file1;
|
|
Snackbar.make(coordinatorLayout, Html.fromHtml(
|
|
String.format(getString(R.string.not_listed_in_media_store), file1.getName())),
|
|
Snackbar.LENGTH_LONG)
|
|
.setAction(R.string.action_scan,
|
|
v -> new ListPathsAsyncTask(requireActivity(), this::scanPaths)
|
|
.execute(
|
|
new ListPathsAsyncTask.LoadingInfo(finalFile, AUDIO_FILE_FILTER)))
|
|
.setActionTextColor(ThemeStore.Companion.accentColor(requireActivity()))
|
|
.show();
|
|
}
|
|
}).execute(new ListSongsAsyncTask.LoadingInfo(toList(file.getParentFile()), fileFilter,
|
|
getFileComparator()));
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onLoadFinished(@NonNull Loader<List<File>> loader, List<File> data) {
|
|
updateAdapter(data);
|
|
}
|
|
|
|
@Override
|
|
public void onLoaderReset(@NonNull Loader<List<File>> loader) {
|
|
updateAdapter(new LinkedList<File>());
|
|
}
|
|
|
|
@Override
|
|
public void onMultipleItemAction(MenuItem item, ArrayList<File> files) {
|
|
final int itemId = item.getItemId();
|
|
new ListSongsAsyncTask(getActivity(), null,
|
|
(songs, extra) -> SongsMenuHelper.INSTANCE.handleMenuClick(getActivity(), songs, itemId))
|
|
.execute(new ListSongsAsyncTask.LoadingInfo(files, AUDIO_FILE_FILTER, getFileComparator()));
|
|
}
|
|
|
|
@Override
|
|
public boolean onOptionsItemSelected(@NonNull MenuItem item) {
|
|
switch (item.getItemId()) {
|
|
case R.id.action_go_to_start_directory:
|
|
setCrumb(new BreadCrumbLayout.Crumb(
|
|
tryGetCanonicalFile(PreferenceUtil.INSTANCE.getStartDirectory())), true);
|
|
return true;
|
|
case R.id.action_scan:
|
|
BreadCrumbLayout.Crumb crumb = getActiveCrumb();
|
|
if (crumb != null) {
|
|
//noinspection Convert2MethodRef
|
|
new ListPathsAsyncTask(getActivity(), paths -> scanPaths(paths))
|
|
.execute(new ListPathsAsyncTask.LoadingInfo(crumb.getFile(),
|
|
AUDIO_FILE_FILTER));
|
|
}
|
|
return true;
|
|
}
|
|
return super.onOptionsItemSelected(item);
|
|
}
|
|
|
|
@Override
|
|
public void onQueueChanged() {
|
|
super.onQueueChanged();
|
|
checkForPadding();
|
|
}
|
|
|
|
@Override
|
|
public void onServiceConnected() {
|
|
super.onServiceConnected();
|
|
checkForPadding();
|
|
}
|
|
|
|
@NonNull
|
|
@Override
|
|
public MaterialCab openCab(int menuRes, MaterialCab.Callback callback) {
|
|
if (cab != null && cab.isActive()) {
|
|
cab.finish();
|
|
}
|
|
cab = new MaterialCab(getMainActivity(), R.id.cab_stub)
|
|
.setMenu(menuRes)
|
|
.setCloseDrawableRes(R.drawable.ic_close)
|
|
.setBackgroundColor(RetroColorUtil.shiftBackgroundColorForLightText(
|
|
ATHUtil.INSTANCE.resolveColor(requireContext(), R.attr.colorSurface)))
|
|
.start(callback);
|
|
return cab;
|
|
}
|
|
|
|
private void checkForPadding() {
|
|
final int count = adapter.getItemCount();
|
|
final MarginLayoutParams params = (MarginLayoutParams) coordinatorLayout.getLayoutParams();
|
|
params.bottomMargin = count > 0 && !MusicPlayerRemote.getPlayingQueue().isEmpty() ? DensityUtil
|
|
.dip2px(requireContext(), 104f) : DensityUtil.dip2px(requireContext(), 54f);
|
|
}
|
|
|
|
private void checkIsEmpty() {
|
|
emojiText.setText(getEmojiByUnicode(0x1F631));
|
|
if (empty != null) {
|
|
empty.setVisibility(adapter == null || adapter.getItemCount() == 0 ? View.VISIBLE : View.GONE);
|
|
}
|
|
}
|
|
|
|
@Nullable
|
|
private BreadCrumbLayout.Crumb getActiveCrumb() {
|
|
return breadCrumbs != null && breadCrumbs.size() > 0 ? breadCrumbs
|
|
.getCrumb(breadCrumbs.getActiveIndex()) : null;
|
|
}
|
|
|
|
private String getEmojiByUnicode(int unicode) {
|
|
return new String(Character.toChars(unicode));
|
|
}
|
|
|
|
private Comparator<File> getFileComparator() {
|
|
return fileComparator;
|
|
}
|
|
|
|
private void initViews(View view) {
|
|
coordinatorLayout = view.findViewById(R.id.coordinatorLayout);
|
|
recyclerView = view.findViewById(R.id.recyclerView);
|
|
breadCrumbs = view.findViewById(R.id.breadCrumbs);
|
|
empty = view.findViewById(android.R.id.empty);
|
|
emojiText = view.findViewById(R.id.emptyEmoji);
|
|
}
|
|
|
|
private void saveScrollPosition() {
|
|
BreadCrumbLayout.Crumb crumb = getActiveCrumb();
|
|
if (crumb != null) {
|
|
crumb.setScrollPosition(
|
|
((LinearLayoutManager) recyclerView.getLayoutManager()).findFirstVisibleItemPosition());
|
|
}
|
|
}
|
|
|
|
private void scanPaths(@Nullable String[] toBeScanned) {
|
|
if (getActivity() == null) {
|
|
return;
|
|
}
|
|
if (toBeScanned == null || toBeScanned.length < 1) {
|
|
Toast.makeText(getActivity(), R.string.nothing_to_scan, Toast.LENGTH_SHORT).show();
|
|
} else {
|
|
MediaScannerConnection.scanFile(getActivity().getApplicationContext(), toBeScanned, null,
|
|
new UpdateToastMediaScannerCompletionListener(getActivity(), toBeScanned));
|
|
}
|
|
}
|
|
|
|
private void setCrumb(BreadCrumbLayout.Crumb crumb, boolean addToHistory) {
|
|
if (crumb == null) {
|
|
return;
|
|
}
|
|
saveScrollPosition();
|
|
breadCrumbs.setActiveOrAdd(crumb, false);
|
|
if (addToHistory) {
|
|
breadCrumbs.addHistory(crumb);
|
|
}
|
|
getLoaderManager().restartLoader(LOADER_ID, null, this);
|
|
}
|
|
|
|
private void setUpAdapter() {
|
|
adapter = new SongFileAdapter(getMainActivity(), new LinkedList<>(), R.layout.item_list,
|
|
this, this);
|
|
adapter.registerAdapterDataObserver(new RecyclerView.AdapterDataObserver() {
|
|
@Override
|
|
public void onChanged() {
|
|
super.onChanged();
|
|
checkIsEmpty();
|
|
checkForPadding();
|
|
}
|
|
});
|
|
recyclerView.setAdapter(adapter);
|
|
checkIsEmpty();
|
|
}
|
|
|
|
private void setUpAppbarColor() {
|
|
breadCrumbs.setActivatedContentColor(
|
|
ATHUtil.INSTANCE.resolveColor(requireContext(), android.R.attr.textColorPrimary));
|
|
breadCrumbs.setDeactivatedContentColor(
|
|
ATHUtil.INSTANCE.resolveColor(requireContext(), android.R.attr.textColorSecondary));
|
|
}
|
|
|
|
private void setUpBreadCrumbs() {
|
|
breadCrumbs.setCallback(this);
|
|
}
|
|
|
|
private void setUpRecyclerView() {
|
|
recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
|
|
FastScroller fastScroller = ThemedFastScroller.INSTANCE.create(recyclerView);
|
|
recyclerView.setOnApplyWindowInsetsListener(
|
|
new ScrollingViewOnApplyWindowInsetsListener(recyclerView, fastScroller));
|
|
}
|
|
|
|
private ArrayList<File> toList(File file) {
|
|
ArrayList<File> files = new ArrayList<>(1);
|
|
files.add(file);
|
|
return files;
|
|
}
|
|
|
|
private void updateAdapter(@NonNull List<File> files) {
|
|
adapter.swapDataSet(files);
|
|
BreadCrumbLayout.Crumb crumb = getActiveCrumb();
|
|
if (crumb != null && recyclerView != null) {
|
|
((LinearLayoutManager) recyclerView.getLayoutManager())
|
|
.scrollToPositionWithOffset(crumb.getScrollPosition(), 0);
|
|
}
|
|
}
|
|
|
|
public static class ListPathsAsyncTask extends
|
|
ListingFilesDialogAsyncTask<ListPathsAsyncTask.LoadingInfo, String, String[]> {
|
|
|
|
private WeakReference<OnPathsListedCallback> onPathsListedCallbackWeakReference;
|
|
|
|
public ListPathsAsyncTask(Context context, OnPathsListedCallback callback) {
|
|
super(context);
|
|
onPathsListedCallbackWeakReference = new WeakReference<>(callback);
|
|
}
|
|
|
|
@Override
|
|
protected String[] doInBackground(LoadingInfo... params) {
|
|
try {
|
|
if (isCancelled() || checkCallbackReference() == null) {
|
|
return null;
|
|
}
|
|
|
|
LoadingInfo info = params[0];
|
|
|
|
final String[] paths;
|
|
|
|
if (info.file.isDirectory()) {
|
|
List<File> files = FileUtil.listFilesDeep(info.file, info.fileFilter);
|
|
|
|
if (isCancelled() || checkCallbackReference() == null) {
|
|
return null;
|
|
}
|
|
|
|
paths = new String[files.size()];
|
|
for (int i = 0; i < files.size(); i++) {
|
|
File f = files.get(i);
|
|
paths[i] = FileUtil.safeGetCanonicalPath(f);
|
|
|
|
if (isCancelled() || checkCallbackReference() == null) {
|
|
return null;
|
|
}
|
|
}
|
|
} else {
|
|
paths = new String[1];
|
|
paths[0] = info.file.getPath();
|
|
}
|
|
|
|
return paths;
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
cancel(false);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(String[] paths) {
|
|
super.onPostExecute(paths);
|
|
OnPathsListedCallback callback = checkCallbackReference();
|
|
if (callback != null && paths != null) {
|
|
callback.onPathsListed(paths);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void onPreExecute() {
|
|
super.onPreExecute();
|
|
checkCallbackReference();
|
|
}
|
|
|
|
private OnPathsListedCallback checkCallbackReference() {
|
|
OnPathsListedCallback callback = onPathsListedCallbackWeakReference.get();
|
|
if (callback == null) {
|
|
cancel(false);
|
|
}
|
|
return callback;
|
|
}
|
|
|
|
public interface OnPathsListedCallback {
|
|
|
|
void onPathsListed(@NonNull String[] paths);
|
|
}
|
|
|
|
public static class LoadingInfo {
|
|
|
|
public final File file;
|
|
|
|
final FileFilter fileFilter;
|
|
|
|
public LoadingInfo(File file, FileFilter fileFilter) {
|
|
this.file = file;
|
|
this.fileFilter = fileFilter;
|
|
}
|
|
}
|
|
}
|
|
|
|
private static class AsyncFileLoader extends WrappedAsyncTaskLoader<List<File>> {
|
|
|
|
private WeakReference<FoldersFragment> fragmentWeakReference;
|
|
|
|
AsyncFileLoader(FoldersFragment foldersFragment) {
|
|
super(foldersFragment.requireActivity());
|
|
fragmentWeakReference = new WeakReference<>(foldersFragment);
|
|
}
|
|
|
|
@Override
|
|
public List<File> loadInBackground() {
|
|
FoldersFragment foldersFragment = fragmentWeakReference.get();
|
|
File directory = null;
|
|
if (foldersFragment != null) {
|
|
BreadCrumbLayout.Crumb crumb = foldersFragment.getActiveCrumb();
|
|
if (crumb != null) {
|
|
directory = crumb.getFile();
|
|
}
|
|
}
|
|
if (directory != null) {
|
|
List<File> files = FileUtil.listFiles(directory, AUDIO_FILE_FILTER);
|
|
Collections.sort(files, foldersFragment.getFileComparator());
|
|
return files;
|
|
} else {
|
|
return new LinkedList<>();
|
|
}
|
|
}
|
|
}
|
|
|
|
private static class ListSongsAsyncTask
|
|
extends ListingFilesDialogAsyncTask<ListSongsAsyncTask.LoadingInfo, Void, ArrayList<Song>> {
|
|
|
|
private final Object extra;
|
|
private WeakReference<OnSongsListedCallback> callbackWeakReference;
|
|
private WeakReference<Context> contextWeakReference;
|
|
|
|
ListSongsAsyncTask(Context context, Object extra, OnSongsListedCallback callback) {
|
|
super(context);
|
|
this.extra = extra;
|
|
contextWeakReference = new WeakReference<>(context);
|
|
callbackWeakReference = new WeakReference<>(callback);
|
|
}
|
|
|
|
@Override
|
|
protected ArrayList<Song> doInBackground(LoadingInfo... params) {
|
|
try {
|
|
LoadingInfo info = params[0];
|
|
List<File> files = FileUtil.listFilesDeep(info.files, info.fileFilter);
|
|
|
|
if (isCancelled() || checkContextReference() == null
|
|
|| checkCallbackReference() == null) {
|
|
return null;
|
|
}
|
|
|
|
Collections.sort(files, info.fileComparator);
|
|
|
|
Context context = checkContextReference();
|
|
if (isCancelled() || context == null || checkCallbackReference() == null) {
|
|
return null;
|
|
}
|
|
|
|
return FileUtil.matchFilesWithMediaStore(context, files);
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
cancel(false);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(ArrayList<Song> songs) {
|
|
super.onPostExecute(songs);
|
|
OnSongsListedCallback callback = checkCallbackReference();
|
|
if (songs != null && callback != null) {
|
|
callback.onSongsListed(songs, extra);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void onPreExecute() {
|
|
super.onPreExecute();
|
|
checkCallbackReference();
|
|
checkContextReference();
|
|
}
|
|
|
|
private OnSongsListedCallback checkCallbackReference() {
|
|
OnSongsListedCallback callback = callbackWeakReference.get();
|
|
if (callback == null) {
|
|
cancel(false);
|
|
}
|
|
return callback;
|
|
}
|
|
|
|
private Context checkContextReference() {
|
|
Context context = contextWeakReference.get();
|
|
if (context == null) {
|
|
cancel(false);
|
|
}
|
|
return context;
|
|
}
|
|
|
|
public interface OnSongsListedCallback {
|
|
|
|
void onSongsListed(@NonNull ArrayList<Song> songs, Object extra);
|
|
}
|
|
|
|
static class LoadingInfo {
|
|
|
|
final Comparator<File> fileComparator;
|
|
|
|
final FileFilter fileFilter;
|
|
|
|
final List<File> files;
|
|
|
|
LoadingInfo(@NonNull List<File> files, @NonNull FileFilter fileFilter,
|
|
@NonNull Comparator<File> fileComparator) {
|
|
this.fileComparator = fileComparator;
|
|
this.fileFilter = fileFilter;
|
|
this.files = files;
|
|
}
|
|
}
|
|
}
|
|
|
|
private static abstract class ListingFilesDialogAsyncTask<Params, Progress, Result> extends
|
|
DialogAsyncTask<Params, Progress, Result> {
|
|
|
|
ListingFilesDialogAsyncTask(Context context) {
|
|
super(context);
|
|
}
|
|
|
|
public ListingFilesDialogAsyncTask(Context context, int showDelay) {
|
|
super(context, showDelay);
|
|
}
|
|
|
|
@Override
|
|
protected Dialog createDialog(@NonNull Context context) {
|
|
return new MaterialAlertDialogBuilder(context)
|
|
.setTitle(R.string.listing_files)
|
|
.setCancelable(false)
|
|
.setView(R.layout.loading)
|
|
.setOnCancelListener(dialog -> cancel(false))
|
|
.setOnDismissListener(dialog -> cancel(false))
|
|
.create();
|
|
}
|
|
}
|
|
}
|