1 /*
2  * Copyright (C) 2015 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 
17 package com.android.contacts.editor;
18 
19 import com.android.contacts.R;
20 
21 import android.app.AlertDialog;
22 import android.app.Dialog;
23 import android.app.DialogFragment;
24 import android.content.DialogInterface;
25 import android.os.Bundle;
26 
27 /**
28  * Asks the user whether to cancel editing the contact.
29  */
30 public class CancelEditDialogFragment extends DialogFragment {
31 
32     private static final String TAG = "cancelEditor";
33 
34     /**
35      * Shows a {@link CancelEditDialogFragment} after setting the given Fragment as the
36      * target of the dialog.
37      */
show(ContactEditorBaseFragment fragment)38     public static void show(ContactEditorBaseFragment fragment) {
39         final CancelEditDialogFragment dialog = new CancelEditDialogFragment();
40         dialog.setTargetFragment(fragment, 0);
41         dialog.show(fragment.getFragmentManager(), TAG);
42     }
43 
44     @Override
onCreateDialog(Bundle savedInstanceState)45     public Dialog onCreateDialog(Bundle savedInstanceState) {
46         return new AlertDialog.Builder(getActivity())
47                 .setIconAttribute(android.R.attr.alertDialogIcon)
48                 .setMessage(R.string.cancel_confirmation_dialog_message)
49                 .setPositiveButton(R.string.cancel_confirmation_dialog_cancel_editing_button,
50                         new DialogInterface.OnClickListener() {
51                             @Override
52                             public void onClick(DialogInterface dialogInterface, int which) {
53                                 final Listener targetListener = (Listener) getTargetFragment();
54                                 targetListener.onCancelEditConfirmed();
55                             }
56                         }
57                 )
58                 .setNegativeButton(R.string.cancel_confirmation_dialog_keep_editing_button, null)
59                 .create();
60     }
61 
62     /**
63      * Callbacks for {@link CancelEditDialogFragment} hosts.
64      */
65     public interface Listener {
66 
67         /**
68          * Invoked when the user confirms that they want to cancel editing the contact.
69          */
70         void onCancelEditConfirmed();
71     }
72 }