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
17package com.android.contacts.editor;
18
19import android.app.Dialog;
20import android.app.DialogFragment;
21import android.content.DialogInterface;
22import android.os.Bundle;
23import android.support.v7.app.AlertDialog;
24
25import com.android.contacts.R;
26
27/**
28 * Asks the user whether to cancel editing the contact.
29 */
30public 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     */
38    public static void show(ContactEditorFragment fragment) {
39        final CancelEditDialogFragment dialog = new CancelEditDialogFragment();
40        dialog.setTargetFragment(fragment, 0);
41        dialog.show(fragment.getFragmentManager(), TAG);
42    }
43
44    @Override
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}
73