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/*
* Copyright © 2017-2018 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 android.support.annotation.Nullable;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.Fragment;
import android.support.v7.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.ExceptionLoggers;
import com.wireguard.android.util.ObservableKeyedArrayList;
import com.wireguard.android.util.ObservableKeyedList;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public class AppListDialogFragment extends DialogFragment {
private static final String KEY_EXCLUDED_APPS = "excludedApps";
private List<String> currentlyExcludedApps;
private final ObservableKeyedList<String, ApplicationData> appData = new ObservableKeyedArrayList<>();
public static <T extends Fragment & AppExclusionListener> AppListDialogFragment newInstance(final String[] excludedApps, final T target) {
final Bundle extras = new Bundle();
extras.putStringArray(KEY_EXCLUDED_APPS, excludedApps);
final AppListDialogFragment fragment = new AppListDialogFragment();
fragment.setTargetFragment(target, 0);
fragment.setArguments(extras);
return fragment;
}
@Override
public void onCreate(@Nullable final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
currentlyExcludedApps = Arrays.asList(getArguments().getStringArray(KEY_EXCLUDED_APPS));
}
@Override
public Dialog onCreateDialog(final Bundle savedInstanceState) {
final AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
alertDialogBuilder.setTitle(R.string.excluded_applications);
final AppListDialogFragmentBinding binding = AppListDialogFragmentBinding.inflate(getActivity().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.deselect_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 -> {
for (final ApplicationData app : appData)
app.setExcludedFromTunnel(false);
}));
return dialog;
}
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> appData = new ArrayList<>();
for (ResolveInfo resolveInfo : resolveInfos) {
String packageName = resolveInfo.activityInfo.packageName;
appData.add(new ApplicationData(resolveInfo.loadIcon(pm), resolveInfo.loadLabel(pm).toString(), packageName, currentlyExcludedApps.contains(packageName)));
}
Collections.sort(appData, (lhs, rhs) -> lhs.getName().toLowerCase().compareTo(rhs.getName().toLowerCase()));
return appData;
}).whenComplete(((data, throwable) -> {
if (data != null) {
appData.clear();
appData.addAll(data);
} else {
final String error = throwable != null ? ExceptionLoggers.unwrapMessage(throwable) : "Unknown";
final String message = activity.getString(R.string.error_fetching_apps, error);
Toast.makeText(activity, message, Toast.LENGTH_LONG).show();
dismissAllowingStateLoss();
}
}));
}
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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