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/*
* Copyright © 2019 WireGuard LLC. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/
package com.wireguard.android.preference;
import android.content.Context;
import android.content.Intent;
import android.system.OsConstants;
import android.util.AttributeSet;
import android.widget.Toast;
import com.wireguard.android.Application;
import com.wireguard.android.R;
import com.wireguard.android.util.ErrorMessages;
import com.wireguard.util.NonNullForAll;
import androidx.annotation.Nullable;
import androidx.preference.Preference;
@NonNullForAll
public class ModuleDownloaderPreference extends Preference {
private State state = State.INITIAL;
public ModuleDownloaderPreference(final Context context, final AttributeSet attrs) {
super(context, attrs);
}
@Override
public CharSequence getSummary() {
return getContext().getString(state.messageResourceId);
}
@Override
public CharSequence getTitle() {
return getContext().getString(R.string.module_installer_title);
}
@Override
protected void onClick() {
setState(State.WORKING);
Application.getAsyncWorker().supplyAsync(Application.getModuleLoader()::download).whenComplete(this::onDownloadResult);
}
private void onDownloadResult(final Integer result, @Nullable final Throwable throwable) {
if (throwable != null) {
setState(State.FAILURE);
Toast.makeText(getContext(), ErrorMessages.get(throwable), Toast.LENGTH_LONG).show();
} else if (result == OsConstants.ENOENT)
setState(State.NOTFOUND);
else if (result == OsConstants.EXIT_SUCCESS) {
setState(State.SUCCESS);
Application.getSharedPreferences().edit().remove("disable_kernel_module").apply();
Application.getAsyncWorker().runAsync(() -> {
Thread.sleep(1000 * 5);
final Intent restartIntent = getContext().getPackageManager().getLaunchIntentForPackage(getContext().getPackageName());
if (restartIntent == null)
return;
restartIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
restartIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
Application.get().startActivity(restartIntent);
System.exit(0);
});
} else
setState(State.FAILURE);
}
private void setState(final State state) {
if (this.state == state)
return;
this.state = state;
if (isEnabled() != state.shouldEnableView)
setEnabled(state.shouldEnableView);
notifyChanged();
}
private enum State {
INITIAL(R.string.module_installer_initial, true),
FAILURE(R.string.module_installer_error, true),
WORKING(R.string.module_installer_working, false),
SUCCESS(R.string.module_installer_success, false),
NOTFOUND(R.string.module_installer_not_found, false);
private final int messageResourceId;
private final boolean shouldEnableView;
State(final int messageResourceId, final boolean shouldEnableView) {
this.messageResourceId = messageResourceId;
this.shouldEnableView = shouldEnableView;
}
}
}
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