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/*
* Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/
package com.wireguard.android.fragment;
import android.app.Activity;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.Bundle;
import androidx.annotation.Nullable;
import androidx.fragment.app.DialogFragment;
import androidx.fragment.app.Fragment;
import androidx.appcompat.app.AlertDialog;
import android.widget.Toast;
import com.wireguard.android.Application;
import com.wireguard.android.R;
import com.wireguard.android.databinding.AppListDialogFragmentBinding;
import com.wireguard.android.model.ApplicationData;
import com.wireguard.android.util.ErrorMessages;
import com.wireguard.android.util.ObservableKeyedArrayList;
import com.wireguard.android.util.ObservableKeyedList;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java9.util.Comparators;
import java9.util.stream.Collectors;
import java9.util.stream.StreamSupport;
public class AppListDialogFragment extends DialogFragment {
private static final String KEY_EXCLUDED_APPS = "excludedApps";
private final ObservableKeyedList<String, ApplicationData> appData = new ObservableKeyedArrayList<>();
private List<String> currentlyExcludedApps = Collections.emptyList();
public static <T extends Fragment & AppExclusionListener>
AppListDialogFragment newInstance(final ArrayList<String> excludedApps, final T target) {
final Bundle extras = new Bundle();
extras.putStringArrayList(KEY_EXCLUDED_APPS, excludedApps);
final AppListDialogFragment fragment = new AppListDialogFragment();
fragment.setTargetFragment(target, 0);
fragment.setArguments(extras);
return fragment;
}
private void loadData() {
final Activity activity = getActivity();
if (activity == null) {
return;
}
final PackageManager pm = activity.getPackageManager();
Application.getAsyncWorker().supplyAsync(() -> {
final Intent launcherIntent = new Intent(Intent.ACTION_MAIN, null);
launcherIntent.addCategory(Intent.CATEGORY_LAUNCHER);
final List<ResolveInfo> resolveInfos = pm.queryIntentActivities(launcherIntent, 0);
final List<ApplicationData> applicationData = new ArrayList<>();
for (ResolveInfo resolveInfo : resolveInfos) {
String packageName = resolveInfo.activityInfo.packageName;
applicationData.add(new ApplicationData(resolveInfo.loadIcon(pm), resolveInfo.loadLabel(pm).toString(), packageName, currentlyExcludedApps.contains(packageName)));
}
Collections.sort(applicationData, Comparators.comparing(ApplicationData::getName, String.CASE_INSENSITIVE_ORDER));
return applicationData;
}).whenComplete(((data, throwable) -> {
if (data != null) {
appData.clear();
appData.addAll(data);
} else {
final String error = ErrorMessages.get(throwable);
final String message = activity.getString(R.string.error_fetching_apps, error);
Toast.makeText(activity, message, Toast.LENGTH_LONG).show();
dismissAllowingStateLoss();
}
}));
}
@Override
public void onCreate(@Nullable final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final List<String> excludedApps = requireArguments().getStringArrayList(KEY_EXCLUDED_APPS);
currentlyExcludedApps = (excludedApps != null) ? excludedApps : Collections.emptyList();
}
@Override
public Dialog onCreateDialog(@Nullable final Bundle savedInstanceState) {
final AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(requireActivity());
alertDialogBuilder.setTitle(R.string.excluded_applications);
final AppListDialogFragmentBinding binding = AppListDialogFragmentBinding.inflate(requireActivity().getLayoutInflater(), null, false);
binding.executePendingBindings();
alertDialogBuilder.setView(binding.getRoot());
alertDialogBuilder.setPositiveButton(R.string.set_exclusions, (dialog, which) -> setExclusionsAndDismiss());
alertDialogBuilder.setNegativeButton(R.string.cancel, (dialog, which) -> dialog.dismiss());
alertDialogBuilder.setNeutralButton(R.string.toggle_all, (dialog, which) -> {
});
binding.setFragment(this);
binding.setAppData(appData);
loadData();
final AlertDialog dialog = alertDialogBuilder.create();
dialog.setOnShowListener(d -> dialog.getButton(DialogInterface.BUTTON_NEUTRAL).setOnClickListener(view -> {
final List<ApplicationData> selectedItems = StreamSupport.stream(appData)
.filter(ApplicationData::isExcludedFromTunnel)
.collect(Collectors.toList());
final boolean excludeAll = selectedItems.isEmpty();
for (final ApplicationData app : appData)
app.setExcludedFromTunnel(excludeAll);
}));
return dialog;
}
private void setExclusionsAndDismiss() {
final List<String> excludedApps = new ArrayList<>();
for (final ApplicationData data : appData) {
if (data.isExcludedFromTunnel()) {
excludedApps.add(data.getPackageName());
}
}
((AppExclusionListener) getTargetFragment()).onExcludedAppsSelected(excludedApps);
dismiss();
}
public interface AppExclusionListener {
void onExcludedAppsSelected(List<String> excludedApps);
}
}
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