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package se.leap.bitmaskclient.base.fragments;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Build;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.DialogFragment;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentTransaction;
import java.util.Set;
import de.blinkt.openvpn.core.VpnStatus;
import se.leap.bitmaskclient.R;
import se.leap.bitmaskclient.base.FragmentManagerEnhanced;
import se.leap.bitmaskclient.base.MainActivity;
import se.leap.bitmaskclient.base.models.ProviderObservable;
import se.leap.bitmaskclient.base.utils.PreferenceHelper;
import se.leap.bitmaskclient.base.views.IconSwitchEntry;
import se.leap.bitmaskclient.base.views.IconTextEntry;
import se.leap.bitmaskclient.eip.EipCommand;
import se.leap.bitmaskclient.firewall.FirewallManager;
import static android.content.Context.MODE_PRIVATE;
import static android.view.View.GONE;
import static android.view.View.VISIBLE;
import static se.leap.bitmaskclient.R.string.advanced_settings;
import static se.leap.bitmaskclient.base.MainActivity.ACTION_SHOW_VPN_FRAGMENT;
import static se.leap.bitmaskclient.base.models.Constants.SHARED_PREFERENCES;
import static se.leap.bitmaskclient.base.models.Constants.USE_BRIDGES;
import static se.leap.bitmaskclient.base.models.Constants.USE_IPv6_FIREWALL;
import static se.leap.bitmaskclient.base.utils.PreferenceHelper.getPreferUDP;
import static se.leap.bitmaskclient.base.utils.PreferenceHelper.getShowAlwaysOnDialog;
import static se.leap.bitmaskclient.base.utils.PreferenceHelper.getUseBridges;
import static se.leap.bitmaskclient.base.utils.PreferenceHelper.getUseSnowflake;
import static se.leap.bitmaskclient.base.utils.PreferenceHelper.hasSnowflakePrefs;
import static se.leap.bitmaskclient.base.utils.PreferenceHelper.preferUDP;
import static se.leap.bitmaskclient.base.utils.PreferenceHelper.useBridges;
import static se.leap.bitmaskclient.base.utils.PreferenceHelper.useSnowflake;
import static se.leap.bitmaskclient.base.utils.ViewHelper.setActionBarTitle;
public class SettingsFragment extends Fragment implements SharedPreferences.OnSharedPreferenceChangeListener {
private FirewallManager firewallManager;
private SharedPreferences preferences;
private IconTextEntry tethering;
private IconSwitchEntry firewall;
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
preferences = getContext().getSharedPreferences(SHARED_PREFERENCES, MODE_PRIVATE);
preferences.registerOnSharedPreferenceChangeListener(this);
firewallManager = new FirewallManager(getContext().getApplicationContext(), false);
}
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.f_settings, container, false);
initAlwaysOnVpnEntry(view);
initExcludeAppsEntry(view);
initPreferUDPEntry(view);
initUseBridgesEntry(view);
initUseSnowflakeEntry(view);
initFirewallEntry(view);
initTetheringEntry(view);
setActionBarTitle(this, advanced_settings);
return view;
}
@Override
public void onDestroy() {
super.onDestroy();
preferences.unregisterOnSharedPreferenceChangeListener(this);
}
private void initUseBridgesEntry(View rootView) {
IconSwitchEntry useBridges = rootView.findViewById(R.id.bridges_switch);
if (ProviderObservable.getInstance().getCurrentProvider().supportsPluggableTransports()) {
useBridges.setVisibility(VISIBLE);
useBridges.setChecked(getUseBridges(getContext()));
useBridges.setOnCheckedChangeListener((buttonView, isChecked) -> {
if (!buttonView.isPressed()) {
return;
}
useBridges(getContext(), isChecked);
if (VpnStatus.isVPNActive()) {
EipCommand.startVPN(getContext(), false);
Toast.makeText(getContext(), R.string.reconnecting, Toast.LENGTH_LONG).show();
}
});
} else {
useBridges.setVisibility(GONE);
}
}
private void initUseSnowflakeEntry(View rootView) {
IconSwitchEntry useSnowflake = rootView.findViewById(R.id.snowflake_switch);
useSnowflake.setVisibility(VISIBLE);
useSnowflake.setChecked(hasSnowflakePrefs(getContext()) && getUseSnowflake(getContext()));
useSnowflake.setOnCheckedChangeListener((buttonView, isChecked) -> {
if (!buttonView.isPressed()) {
return;
}
useSnowflake(getContext(), isChecked);
});
}
private void initAlwaysOnVpnEntry(View rootView) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
IconTextEntry alwaysOnVpn = rootView.findViewById(R.id.always_on_vpn);
alwaysOnVpn.setVisibility(VISIBLE);
alwaysOnVpn.setOnClickListener((buttonView) -> {
if (getShowAlwaysOnDialog(getContext())) {
showAlwaysOnDialog();
} else {
Intent intent = new Intent("android.net.vpn.SETTINGS");
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
});
}
}
private void initPreferUDPEntry(View rootView) {
IconSwitchEntry useSnowflake = rootView.findViewById(R.id.prefer_udp);
useSnowflake.setVisibility(VISIBLE);
useSnowflake.setChecked(getPreferUDP(getContext()));
useSnowflake.setOnCheckedChangeListener((buttonView, isChecked) -> {
if (!buttonView.isPressed()) {
return;
}
preferUDP(getContext(), isChecked);
if (VpnStatus.isVPNActive()) {
EipCommand.startVPN(getContext(), false);
Toast.makeText(getContext(), R.string.reconnecting, Toast.LENGTH_LONG).show();
}
});
}
private void initExcludeAppsEntry(View rootView) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
IconTextEntry excludeApps = rootView.findViewById(R.id.exclude_apps);
excludeApps.setVisibility(VISIBLE);
Set<String> apps = PreferenceHelper.getExcludedApps(this.getContext());
if (apps != null) {
updateExcludeAppsSubtitle(excludeApps, apps.size());
}
FragmentManagerEnhanced fragmentManager = new FragmentManagerEnhanced(getActivity().getSupportFragmentManager());
excludeApps.setOnClickListener((buttonView) -> {
Fragment fragment = new ExcludeAppsFragment();
fragmentManager.replace(R.id.main_container, fragment, MainActivity.TAG);
});
}
}
private void updateExcludeAppsSubtitle(IconTextEntry excludeApps, int number) {
if (number > 0) {
excludeApps.setSubtitle(getContext().getResources().getQuantityString(R.plurals.subtitle_exclude_apps, number, number));
excludeApps.setSubtitleColor(R.color.colorError);
} else {
excludeApps.hideSubtitle();
}
}
private void initFirewallEntry(View rootView) {
firewall = rootView.findViewById(R.id.enableIPv6Firewall);
firewall.setChecked(PreferenceHelper.useIpv6Firewall(getContext()));
firewall.setOnCheckedChangeListener((buttonView, isChecked) -> {
if (!buttonView.isPressed()) {
return;
}
PreferenceHelper.setUseIPv6Firewall(getContext(), isChecked);
if (VpnStatus.isVPNActive()) {
if (isChecked) {
firewallManager.startIPv6Firewall();
} else {
firewallManager.stopIPv6Firewall();
}
}
});
}
private void initTetheringEntry(View rootView) {
tethering = rootView.findViewById(R.id.tethering);
tethering.setOnClickListener((buttonView) -> {
showTetheringAlert();
});
}
public void showTetheringAlert() {
try {
FragmentTransaction fragmentTransaction = new FragmentManagerEnhanced(
getActivity().getSupportFragmentManager()).removePreviousFragment(
TetheringDialog.TAG);
DialogFragment newFragment = new TetheringDialog();
newFragment.show(fragmentTransaction, TetheringDialog.TAG);
} catch (IllegalStateException | NullPointerException e) {
e.printStackTrace();
}
}
public void showAlwaysOnDialog() {
try {
FragmentTransaction fragmentTransaction = new FragmentManagerEnhanced(
getActivity().getSupportFragmentManager()).removePreviousFragment(
AlwaysOnDialog.TAG);
DialogFragment newFragment = new AlwaysOnDialog();
newFragment.show(fragmentTransaction, AlwaysOnDialog.TAG);
} catch (IllegalStateException | NullPointerException e) {
e.printStackTrace();
}
}
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
View rootView = getView();
if (rootView == null) {
return;
}
if (key.equals(USE_BRIDGES)) {
initUseBridgesEntry(rootView);
} else if (key.equals(USE_IPv6_FIREWALL)) {
initFirewallEntry(getView());
}
}
}
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