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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.settings.vpn2;
     17 
     18 import android.app.Fragment;
     19 import android.app.AlertDialog;
     20 import android.app.Dialog;
     21 import android.app.DialogFragment;
     22 import android.content.DialogInterface;
     23 import android.os.Bundle;
     24 
     25 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
     26 import com.android.settings.R;
     27 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
     28 
     29 public class ConfirmLockdownFragment extends InstrumentedDialogFragment
     30         implements DialogInterface.OnClickListener {
     31     public interface ConfirmLockdownListener {
     32         public void onConfirmLockdown(Bundle options, boolean isEnabled, boolean isLockdown);
     33     }
     34 
     35     private static final String TAG = "ConfirmLockdown";
     36 
     37     @Override
     38     public int getMetricsCategory() {
     39         return MetricsEvent.DIALOG_VPN_REPLACE_EXISTING;
     40     }
     41 
     42     private static final String ARG_REPLACING = "replacing";
     43     private static final String ARG_ALWAYS_ON = "always_on";
     44     private static final String ARG_LOCKDOWN_SRC = "lockdown_old";
     45     private static final String ARG_LOCKDOWN_DST = "lockdown_new";
     46     private static final String ARG_OPTIONS = "options";
     47 
     48     public static boolean shouldShow(boolean replacing, boolean fromLockdown, boolean toLockdown) {
     49         // We only need to show this if we are:
     50         //  - replacing an existing connection
     51         //  - switching on always-on mode with lockdown enabled where it was not enabled before.
     52         return replacing || (toLockdown && !fromLockdown);
     53     }
     54 
     55     public static void show(Fragment parent, boolean replacing, boolean alwaysOn,
     56             boolean fromLockdown, boolean toLockdown, Bundle options) {
     57         if (parent.getFragmentManager().findFragmentByTag(TAG) != null) {
     58             // Already exists. Don't show it twice.
     59             return;
     60         }
     61         final Bundle args = new Bundle();
     62         args.putBoolean(ARG_REPLACING, replacing);
     63         args.putBoolean(ARG_ALWAYS_ON, alwaysOn);
     64         args.putBoolean(ARG_LOCKDOWN_SRC, fromLockdown);
     65         args.putBoolean(ARG_LOCKDOWN_DST, toLockdown);
     66         args.putParcelable(ARG_OPTIONS, options);
     67 
     68         final ConfirmLockdownFragment frag = new ConfirmLockdownFragment();
     69         frag.setArguments(args);
     70         frag.setTargetFragment(parent, 0);
     71         frag.show(parent.getFragmentManager(), TAG);
     72     }
     73 
     74     @Override
     75     public Dialog onCreateDialog(Bundle savedInstanceState) {
     76         final boolean replacing = getArguments().getBoolean(ARG_REPLACING);
     77         final boolean alwaysOn = getArguments().getBoolean(ARG_ALWAYS_ON);
     78         final boolean wasLockdown = getArguments().getBoolean(ARG_LOCKDOWN_SRC);
     79         final boolean nowLockdown = getArguments().getBoolean(ARG_LOCKDOWN_DST);
     80 
     81         final int titleId = (nowLockdown ? R.string.vpn_require_connection_title :
     82                 (replacing ? R.string.vpn_replace_vpn_title : R.string.vpn_set_vpn_title));
     83         final int actionId =
     84                 (replacing ? R.string.vpn_replace :
     85                 (nowLockdown ? R.string.vpn_turn_on : R.string.okay));
     86         final int messageId;
     87         if (nowLockdown) {
     88             messageId = replacing
     89                     ? R.string.vpn_replace_always_on_vpn_enable_message
     90                     : R.string.vpn_first_always_on_vpn_message;
     91         } else {
     92             messageId = wasLockdown
     93                     ? R.string.vpn_replace_always_on_vpn_disable_message
     94                     : R.string.vpn_replace_vpn_message;
     95         }
     96 
     97         return new AlertDialog.Builder(getActivity())
     98                 .setTitle(titleId)
     99                 .setMessage(messageId)
    100                 .setNegativeButton(R.string.cancel, null)
    101                 .setPositiveButton(actionId, this)
    102                 .create();
    103     }
    104 
    105     @Override
    106     public void onClick(DialogInterface dialog, int which) {
    107         if (getTargetFragment() instanceof ConfirmLockdownListener) {
    108             ((ConfirmLockdownListener) getTargetFragment()).onConfirmLockdown(
    109                     getArguments().getParcelable(ARG_OPTIONS),
    110                     getArguments().getBoolean(ARG_ALWAYS_ON),
    111                     getArguments().getBoolean(ARG_LOCKDOWN_DST));
    112         }
    113     }
    114 }
    115 
    116