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/*
* Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/
package com.wireguard.android.activity;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import androidx.annotation.Nullable;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import androidx.preference.Preference;
import androidx.preference.PreferenceFragmentCompat;
import androidx.preference.PreferenceScreen;
import android.util.SparseArray;
import android.view.MenuItem;
import com.wireguard.android.Application;
import com.wireguard.android.R;
import com.wireguard.android.backend.WgQuickBackend;
import com.wireguard.android.util.ModuleLoader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* Interface for changing application-global persistent settings.
*/
public class SettingsActivity extends ThemeChangeAwareActivity {
private final SparseArray<PermissionRequestCallback> permissionRequestCallbacks = new SparseArray<>();
private int permissionRequestCounter;
public void ensurePermissions(final String[] permissions, final PermissionRequestCallback cb) {
final List<String> needPermissions = new ArrayList<>(permissions.length);
for (final String permission : permissions) {
if (ContextCompat.checkSelfPermission(this, permission)
!= PackageManager.PERMISSION_GRANTED)
needPermissions.add(permission);
}
if (needPermissions.isEmpty()) {
final int[] granted = new int[permissions.length];
Arrays.fill(granted, PackageManager.PERMISSION_GRANTED);
cb.done(permissions, granted);
return;
}
final int idx = permissionRequestCounter++;
permissionRequestCallbacks.put(idx, cb);
ActivityCompat.requestPermissions(this,
needPermissions.toArray(new String[needPermissions.size()]), idx);
}
@Override
protected void onCreate(@Nullable final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getSupportFragmentManager().findFragmentById(android.R.id.content) == null) {
getSupportFragmentManager().beginTransaction()
.add(android.R.id.content, new SettingsFragment())
.commit();
}
}
@Override
public boolean onOptionsItemSelected(final MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
finish();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
public void onRequestPermissionsResult(final int requestCode,
final String[] permissions,
final int[] grantResults) {
final PermissionRequestCallback f = permissionRequestCallbacks.get(requestCode);
if (f != null) {
permissionRequestCallbacks.remove(requestCode);
f.done(permissions, grantResults);
}
}
public interface PermissionRequestCallback {
void done(String[] permissions, int[] grantResults);
}
public static class SettingsFragment extends PreferenceFragmentCompat {
@Override
public void onCreatePreferences(final Bundle savedInstanceState, final String key) {
addPreferencesFromResource(R.xml.preferences);
final PreferenceScreen screen = getPreferenceScreen();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
screen.removePreference(getPreferenceManager().findPreference("dark_theme"));
final Preference wgQuickOnlyPrefs[] = {
getPreferenceManager().findPreference("tools_installer"),
getPreferenceManager().findPreference("restore_on_boot"),
getPreferenceManager().findPreference("multiple_tunnels")
};
for (final Preference pref : wgQuickOnlyPrefs)
pref.setVisible(false);
Application.getBackendAsync().thenAccept(backend -> {
for (final Preference pref : wgQuickOnlyPrefs) {
if (backend instanceof WgQuickBackend)
pref.setVisible(true);
else
screen.removePreference(pref);
}
});
final Preference moduleInstaller = getPreferenceManager().findPreference("module_downloader");
moduleInstaller.setVisible(false);
if (ModuleLoader.isModuleLoaded()) {
screen.removePreference(moduleInstaller);
} else {
Application.getAsyncWorker().runAsync(Application.getRootShell()::start).whenComplete((v, e) -> {
if (e == null)
moduleInstaller.setVisible(true);
else
screen.removePreference(moduleInstaller);
});
}
}
}
}
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