1/*
2 * Copyright (C) 2017 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.documentsui.picker;
18
19import android.app.AlertDialog;
20import android.app.Dialog;
21import android.app.DialogFragment;
22import android.app.Fragment;
23import android.app.FragmentManager;
24import android.app.FragmentTransaction;
25import android.content.DialogInterface;
26import android.os.Bundle;
27
28import com.android.documentsui.R;
29import com.android.documentsui.base.DocumentInfo;
30import com.android.documentsui.base.Shared;
31
32/**
33 * Used to confirm with user that it's OK to overwrite an existing file.
34 */
35public class OverwriteConfirmFragment extends DialogFragment {
36
37    private static final String TAG = "OverwriteConfirmFragment";
38
39    private ActionHandler<PickActivity> mActions;
40    private DocumentInfo mOverwriteTarget;
41
42    @Override
43    public void onActivityCreated(Bundle savedInstanceState) {
44        super.onActivityCreated(savedInstanceState);
45
46        mActions = ((PickActivity) getActivity()).getInjector().actions;
47    }
48
49    @Override
50    public Dialog onCreateDialog(Bundle savedInstanceState) {
51        Bundle arg = (getArguments() != null) ? getArguments() : savedInstanceState;
52
53        mOverwriteTarget = arg.getParcelable(Shared.EXTRA_DOC);
54
55        final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
56        final String message = String.format(
57                getString(R.string.overwrite_file_confirmation_message),
58                mOverwriteTarget.displayName);
59        builder.setMessage(message);
60        builder.setPositiveButton(
61                android.R.string.ok,
62                (DialogInterface dialog, int id) ->
63                        mActions.finishPicking(mOverwriteTarget.derivedUri));
64        builder.setNegativeButton(android.R.string.cancel, null);
65
66        return builder.create();
67    }
68
69    @Override
70    public void onSaveInstanceState(Bundle outState) {
71        super.onSaveInstanceState(outState);
72
73        outState.putParcelable(Shared.EXTRA_DOC, mOverwriteTarget);
74    }
75
76    public static void show(FragmentManager fm, DocumentInfo overwriteTarget) {
77        Bundle arg = new Bundle();
78        arg.putParcelable(Shared.EXTRA_DOC, overwriteTarget);
79
80        FragmentTransaction ft = fm.beginTransaction();
81        Fragment f = new OverwriteConfirmFragment();
82        f.setArguments(arg);
83        ft.add(f, TAG);
84        ft.commitAllowingStateLoss();
85    }
86}
87