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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.vpndialogs;
import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_ALERT;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.IConnectivityManager;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.UserHandle;
import android.provider.Settings;
import android.text.SpannableStringBuilder;
import android.text.method.LinkMovementMethod;
import android.text.style.ClickableSpan;
import android.util.Log;
import android.view.View;
import android.widget.TextView;
import com.android.internal.app.AlertActivity;
import com.android.internal.net.VpnConfig;
public class AlwaysOnDisconnectedDialog extends AlertActivity
implements DialogInterface.OnClickListener{
private static final String TAG = "VpnDisconnected";
private IConnectivityManager mService;
private int mUserId;
private String mVpnPackage;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mService = IConnectivityManager.Stub.asInterface(
ServiceManager.getService(Context.CONNECTIVITY_SERVICE));
mUserId = UserHandle.myUserId();
mVpnPackage = getAlwaysOnVpnPackage();
if (mVpnPackage == null) {
finish();
return;
}
View view = View.inflate(this, R.layout.always_on_disconnected, null);
TextView messageView = view.findViewById(R.id.message);
messageView.setText(getMessage(getIntent().getBooleanExtra("lockdown", false)));
messageView.setMovementMethod(LinkMovementMethod.getInstance());
mAlertParams.mTitle = getString(R.string.always_on_disconnected_title);
mAlertParams.mPositiveButtonText = getString(R.string.open_app);
mAlertParams.mPositiveButtonListener = this;
mAlertParams.mNegativeButtonText = getString(R.string.dismiss);
mAlertParams.mNegativeButtonListener = this;
mAlertParams.mCancelable = false;
mAlertParams.mView = view;
setupAlert();
getWindow().setCloseOnTouchOutside(false);
getWindow().setType(TYPE_SYSTEM_ALERT);
getWindow().addFlags(FLAG_ALT_FOCUSABLE_IM);
getWindow().addPrivateFlags(PRIVATE_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
}
@Override
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case BUTTON_POSITIVE:
PackageManager pm = getPackageManager();
final Intent intent = pm.getLaunchIntentForPackage(mVpnPackage);
if (intent != null) {
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(intent);
}
finish();
break;
case BUTTON_NEGATIVE:
finish();
break;
default:
break;
}
}
private String getAlwaysOnVpnPackage() {
try {
return mService.getAlwaysOnVpnPackage(mUserId);
} catch (RemoteException e) {
Log.e(TAG, "Can't getAlwaysOnVpnPackage()", e);
return null;
}
}
private CharSequence getVpnLabel() {
try {
return VpnConfig.getVpnLabel(this, mVpnPackage);
} catch (PackageManager.NameNotFoundException e) {
Log.w(TAG, "Can't getVpnLabel() for " + mVpnPackage, e);
return mVpnPackage;
}
}
private CharSequence getMessage(boolean isLockdown) {
final SpannableStringBuilder message = new SpannableStringBuilder();
final int baseMessageResId = isLockdown
? R.string.always_on_disconnected_message_lockdown
: R.string.always_on_disconnected_message;
message.append(getString(baseMessageResId, getVpnLabel()));
message.append(getString(R.string.always_on_disconnected_message_separator));
message.append(getString(R.string.always_on_disconnected_message_settings_link),
new VpnSpan(), 0 /*flags*/);
return message;
}
private class VpnSpan extends ClickableSpan {
@Override
public void onClick(View unused) {
final Intent intent = new Intent(Settings.ACTION_VPN_SETTINGS);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(intent);
}
}
}
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