Austin Huang
3 years ago
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GPG Key ID: 84C23AA04587A91F
5 changed files with 0 additions and 572 deletions
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55app/src/main/java/awais/instagrabber/dialogs/CreateBackupDialogFragment.java
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48app/src/main/java/awais/instagrabber/dialogs/RestoreBackupDialogFragment.java
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94app/src/main/java/awais/instagrabber/fragments/settings/DownloadsPreferencesFragment.java
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285app/src/main/java/awais/instagrabber/utils/DirectoryChooser.java
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90app/src/main/java/awais/instagrabber/utils/DirectoryUtils.java
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package awais.instagrabber.utils; |
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import android.app.Activity; |
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import android.app.Dialog; |
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import android.content.Context; |
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import android.graphics.drawable.Drawable; |
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import android.os.Bundle; |
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import android.os.Environment; |
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import android.os.FileObserver; |
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import android.view.LayoutInflater; |
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import android.view.View; |
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import android.view.ViewGroup; |
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import androidx.annotation.NonNull; |
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import androidx.annotation.Nullable; |
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import androidx.fragment.app.DialogFragment; |
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import androidx.fragment.app.Fragment; |
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import androidx.lifecycle.ViewModelProvider; |
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import androidx.recyclerview.widget.LinearLayoutManager; |
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import java.io.File; |
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import java.util.ArrayList; |
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import java.util.Collections; |
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import java.util.List; |
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import awais.instagrabber.R; |
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import awais.instagrabber.adapters.DirectoryFilesAdapter; |
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import awais.instagrabber.databinding.LayoutDirectoryChooserBinding; |
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import awais.instagrabber.viewmodels.FileListViewModel; |
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public final class DirectoryChooser extends DialogFragment { |
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private static final String TAG = "DirectoryChooser"; |
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public static final String KEY_CURRENT_DIRECTORY = "CURRENT_DIRECTORY"; |
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private static final File sdcardPathFile = Environment.getExternalStorageDirectory(); |
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private static final String sdcardPath = sdcardPathFile.getPath(); |
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private Context context; |
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private LayoutDirectoryChooserBinding binding; |
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private FileObserver fileObserver; |
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private File selectedDir; |
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private String initialDirectory; |
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private OnFragmentInteractionListener interactionListener; |
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private boolean showBackupFiles = false; |
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private View.OnClickListener navigationOnClickListener; |
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private FileListViewModel fileListViewModel; |
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private OnCancelListener onCancelListener; |
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public DirectoryChooser() { |
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super(); |
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} |
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public DirectoryChooser setInitialDirectory(final String initialDirectory) { |
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if (!TextUtils.isEmpty(initialDirectory)) |
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this.initialDirectory = initialDirectory; |
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return this; |
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} |
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public DirectoryChooser setShowBackupFiles(final boolean showBackupFiles) { |
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this.showBackupFiles = showBackupFiles; |
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return this; |
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} |
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@Override |
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public void onAttach(@NonNull final Context context) { |
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super.onAttach(context); |
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this.context = context; |
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if (this.context instanceof OnFragmentInteractionListener) |
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interactionListener = (OnFragmentInteractionListener) this.context; |
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else { |
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final Fragment owner = getTargetFragment(); |
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if (owner instanceof OnFragmentInteractionListener) |
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interactionListener = (OnFragmentInteractionListener) owner; |
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} |
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} |
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@NonNull |
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@Override |
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public View onCreateView(@NonNull final LayoutInflater inflater, @Nullable final ViewGroup container, @Nullable final Bundle savedInstanceState) { |
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binding = LayoutDirectoryChooserBinding.inflate(inflater, container, false); |
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init(container); |
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return binding.getRoot(); |
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} |
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private void init(final ViewGroup container) { |
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Context context = this.context; |
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if (context == null) context = getContext(); |
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if (context == null) context = getActivity(); |
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if (context == null) return; |
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// if (ContextCompat.checkSelfPermission(context, DownloadUtils.PERMS[0]) != PackageManager.PERMISSION_GRANTED) { |
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// final String text = "Storage permissions denied!"; |
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// if (container == null) { |
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// Toast.makeText(context, text, Toast.LENGTH_LONG).show(); |
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// } else { |
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// Snackbar.make(container, text, BaseTransientBottomBar.LENGTH_LONG).show(); |
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// } |
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// dismiss(); |
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// } |
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final View.OnClickListener clickListener = v -> { |
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if (v == binding.btnConfirm) { |
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if (interactionListener != null && isValidFile(selectedDir)) |
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interactionListener.onSelectDirectory(selectedDir); |
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dismiss(); |
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} else if (v == binding.btnCancel) { |
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if (onCancelListener != null) { |
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onCancelListener.onCancel(); |
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} |
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dismiss(); |
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} |
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}; |
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navigationOnClickListener = v -> { |
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final File parent; |
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if (selectedDir != null && (parent = selectedDir.getParentFile()) != null) { |
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changeDirectory(parent); |
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} |
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}; |
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binding.toolbar.setNavigationOnClickListener(navigationOnClickListener); |
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binding.toolbar.setSubtitle(showBackupFiles ? R.string.select_backup_file : R.string.select_folder); |
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binding.btnCancel.setOnClickListener(clickListener); |
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// no need to show confirm for file picker |
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binding.btnConfirm.setVisibility(showBackupFiles ? View.GONE : View.VISIBLE); |
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if (!showBackupFiles) { |
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binding.btnConfirm.setOnClickListener(clickListener); |
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} |
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fileListViewModel = new ViewModelProvider(this).get(FileListViewModel.class); |
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final DirectoryFilesAdapter listDirectoriesAdapter = new DirectoryFilesAdapter(file -> { |
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if (file.isDirectory()) { |
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changeDirectory(file); |
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return; |
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} |
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if (showBackupFiles && file.isFile()) { |
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if (interactionListener != null && file.canRead()) { |
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interactionListener.onSelectDirectory(file); |
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} |
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dismiss(); |
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} |
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}); |
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fileListViewModel.getList().observe(this, listDirectoriesAdapter::submitList); |
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binding.directoryList.setLayoutManager(new LinearLayoutManager(context)); |
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binding.directoryList.setAdapter(listDirectoriesAdapter); |
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final File initDir = new File(initialDirectory); |
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final File initialDir = !TextUtils.isEmpty(initialDirectory) && isValidFile(initDir) ? initDir : Environment.getExternalStorageDirectory(); |
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changeDirectory(initialDir); |
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} |
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@Override |
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public void onCreate(@Nullable final Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
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if (TextUtils.isEmpty(initialDirectory)) { |
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initialDirectory = new File(sdcardPath, "Download").getAbsolutePath(); |
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if (savedInstanceState != null) { |
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final String savedDir = savedInstanceState.getString(KEY_CURRENT_DIRECTORY); |
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if (!TextUtils.isEmpty(savedDir)) initialDirectory = savedDir; |
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} |
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} |
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setStyle(DialogFragment.STYLE_NO_TITLE, 0); |
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} |
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@NonNull |
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@Override |
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public Dialog onCreateDialog(final Bundle savedInstanceState) { |
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return new Dialog(context, R.attr.alertDialogTheme) { |
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@Override |
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public void onBackPressed() { |
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if (selectedDir != null) { |
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final String absolutePath = selectedDir.getAbsolutePath(); |
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if (absolutePath.equals(sdcardPath) || absolutePath.equals(sdcardPathFile.getAbsolutePath())) { |
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if (onCancelListener != null) { |
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onCancelListener.onCancel(); |
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} |
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dismiss(); |
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} else { |
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changeDirectory(selectedDir.getParentFile()); |
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} |
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} |
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} |
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}; |
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} |
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@Override |
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public void onSaveInstanceState(@NonNull final Bundle outState) { |
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super.onSaveInstanceState(outState); |
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if (selectedDir != null) outState.putString(KEY_CURRENT_DIRECTORY, selectedDir.getAbsolutePath()); |
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} |
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@Override |
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public void onResume() { |
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super.onResume(); |
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if (fileObserver != null) fileObserver.startWatching(); |
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} |
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@Override |
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public void onPause() { |
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super.onPause(); |
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if (fileObserver != null) fileObserver.stopWatching(); |
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} |
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@Override |
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public void onDetach() { |
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super.onDetach(); |
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interactionListener = null; |
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} |
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private void changeDirectory(final File dir) { |
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if (dir != null && dir.isDirectory()) { |
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final String path = dir.getAbsolutePath(); |
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binding.toolbar.setTitle(path); |
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final File[] contents = dir.listFiles(); |
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if (contents != null) { |
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final List<File> fileNames = new ArrayList<>(); |
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for (final File f : contents) { |
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final String name = f.getName(); |
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final String nameLowerCase = name.toLowerCase(); |
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final boolean isBackupFile = nameLowerCase.endsWith(".zaai") || nameLowerCase.endsWith(".backup"); |
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if (f.isDirectory() || (showBackupFiles && f.isFile() && isBackupFile)) |
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fileNames.add(f); |
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} |
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Collections.sort(fileNames, (o1, o2) -> { |
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if ((o1.isDirectory() && o2.isDirectory()) |
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|| (o1.isFile() && o2.isFile())) { |
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return o1.getName().compareToIgnoreCase(o2.getName()); |
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} |
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if (o1.isDirectory()) return -1; |
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if (o2.isDirectory()) return 1; |
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return 0; |
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}); |
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fileListViewModel.getList().postValue(fileNames); |
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selectedDir = dir; |
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fileObserver = new FileObserver(path, FileObserver.CREATE | FileObserver.DELETE | FileObserver.MOVED_FROM | FileObserver.MOVED_TO) { |
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private final Runnable currentDirRefresher = () -> changeDirectory(selectedDir); |
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@Override |
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public void onEvent(final int event, final String path) { |
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if (context instanceof Activity) ((Activity) context).runOnUiThread(currentDirRefresher); |
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} |
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}; |
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fileObserver.startWatching(); |
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} |
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} |
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refreshButtonState(); |
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} |
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private void refreshButtonState() { |
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if (selectedDir != null) { |
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final String path = selectedDir.getAbsolutePath(); |
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toggleUpButton(!path.equals(sdcardPathFile.getAbsolutePath()) && selectedDir != sdcardPathFile); |
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binding.btnConfirm.setEnabled(isValidFile(selectedDir)); |
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} |
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} |
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private void toggleUpButton(final boolean enable) { |
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binding.toolbar.setNavigationOnClickListener(enable ? navigationOnClickListener : null); |
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final Drawable navigationIcon = binding.toolbar.getNavigationIcon(); |
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if (navigationIcon == null) return; |
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navigationIcon.setAlpha(enable ? 255 : (int) (255 * 0.617)); |
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} |
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private boolean isValidFile(final File file) { |
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return file != null && file.isDirectory() && file.canRead(); |
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} |
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public DirectoryChooser setInteractionListener(final OnFragmentInteractionListener interactionListener) { |
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this.interactionListener = interactionListener; |
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return this; |
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} |
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public void setOnCancelListener(final OnCancelListener onCancelListener) { |
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if (onCancelListener != null) { |
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this.onCancelListener = onCancelListener; |
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} |
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} |
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public interface OnCancelListener { |
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void onCancel(); |
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} |
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public interface OnFragmentInteractionListener { |
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void onSelectDirectory(final File file); |
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} |
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} |
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@ -1,90 +0,0 @@ |
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package awais.instagrabber.utils; |
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import android.os.Environment; |
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import java.io.File; |
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import java.util.Collections; |
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import java.util.HashSet; |
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import java.util.Set; |
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import java.util.regex.Pattern; |
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public class DirectoryUtils { |
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private static final Pattern DIR_SEPORATOR = Pattern.compile("/"); |
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/** |
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* From: https://stackoverflow.com/a/18871043/1436766 |
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* <p> |
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* Returns all available SD-Cards in the system (include emulated) |
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* <p> |
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* Warning: Hack! Based on Android source code of version 4.3 (API 18) |
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* Because there is no standard way to get it. |
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* TODO: Test on future Android versions 4.4+ |
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* |
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* @return paths to all available SD-Cards in the system (include emulated) |
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*/ |
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public static Set<String> getStorageDirectories() { |
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// Final set of paths |
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final Set<String> rv = new HashSet<>(); |
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// Primary physical SD-CARD (not emulated) |
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final String rawExternalStorage = System.getenv("EXTERNAL_STORAGE"); |
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// All Secondary SD-CARDs (all exclude primary) separated by ":" |
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final String rawSecondaryStoragesStr = System.getenv("SECONDARY_STORAGE"); |
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// Primary emulated SD-CARD |
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final String rawEmulatedStorageTarget = System.getenv("EMULATED_STORAGE_TARGET"); |
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if (TextUtils.isEmpty(rawEmulatedStorageTarget)) { |
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// Device has physical external storage; use plain paths. |
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if (TextUtils.isEmpty(rawExternalStorage)) { |
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// EXTERNAL_STORAGE undefined; falling back to default. |
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rv.add("/storage/sdcard0"); |
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} else { |
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rv.add(rawExternalStorage); |
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} |
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} else { |
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// Device has emulated storage; external storage paths should have |
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// userId burned into them. |
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final String rawUserId; |
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final String path = Environment.getExternalStorageDirectory().getAbsolutePath(); |
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final String[] folders = DIR_SEPORATOR.split(path); |
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final String lastFolder = folders[folders.length - 1]; |
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boolean isDigit = false; |
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try { |
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Integer.valueOf(lastFolder); |
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isDigit = true; |
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} catch (NumberFormatException ignored) { |
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} |
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rawUserId = isDigit ? lastFolder : ""; |
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// /storage/emulated/0[1,2,...] |
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if (TextUtils.isEmpty(rawUserId)) { |
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rv.add(rawEmulatedStorageTarget); |
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} else { |
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rv.add(rawEmulatedStorageTarget + File.separator + rawUserId); |
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} |
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} |
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// Add all secondary storages |
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if (!TextUtils.isEmpty(rawSecondaryStoragesStr)) { |
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// All Secondary SD-CARDs splited into array |
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final String[] rawSecondaryStorages = rawSecondaryStoragesStr.split(File.pathSeparator); |
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Collections.addAll(rv, rawSecondaryStorages); |
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} |
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return rv; |
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} |
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// public static File getOutputMediaDirectory(final Context context, final String... dirs) { |
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// if (context == null) return null; |
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// final File[] externalMediaDirs = context.getExternalMediaDirs(); |
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// if (externalMediaDirs == null || externalMediaDirs.length == 0) return context.getFilesDir(); |
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// final File externalMediaDir = externalMediaDirs[0]; |
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// File subDir = new File(externalMediaDir, context.getString(R.string.app_name)); |
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// if (dirs != null) { |
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// for (final String dir : dirs) { |
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// subDir = new File(subDir, dir); |
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// //noinspection ResultOfMethodCallIgnored |
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// subDir.mkdirs(); |
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// } |
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// } |
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// if (!subDir.exists()) { |
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// return context.getFilesDir(); |
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// } |
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// return subDir; |
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// } |
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} |
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