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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 
17 package com.android.documentsui;
18 
19 import android.annotation.IntDef;
20 import android.app.AlertDialog;
21 import android.app.Dialog;
22 import android.app.DialogFragment;
23 import android.app.FragmentManager;
24 import android.app.FragmentTransaction;
25 import android.content.DialogInterface;
26 import android.os.Bundle;
27 import android.text.Html;
28 
29 import com.android.documentsui.model.DocumentInfo;
30 import com.android.documentsui.model.DocumentStack;
31 import com.android.documentsui.services.FileOperationService;
32 import com.android.documentsui.services.FileOperationService.OpType;
33 
34 import java.lang.annotation.Retention;
35 import java.lang.annotation.RetentionPolicy;
36 import java.util.ArrayList;
37 
38 /**
39  * Alert dialog for operation dialogs.
40  */
41 public class OperationDialogFragment extends DialogFragment {
42 
43     public static final int DIALOG_TYPE_UNKNOWN = 0;
44     public static final int DIALOG_TYPE_FAILURE = 1;
45     public static final int DIALOG_TYPE_CONVERTED = 2;
46 
47     @IntDef(flag = true, value = {
48         DIALOG_TYPE_UNKNOWN,
49         DIALOG_TYPE_FAILURE,
50         DIALOG_TYPE_CONVERTED
51     })
52 
53     @Retention(RetentionPolicy.SOURCE)
54     public @interface DialogType {}
55 
56     private static final String TAG = "OperationDialogFragment";
57 
show(FragmentManager fm, @DialogType int dialogType, ArrayList<DocumentInfo> failedSrcList, DocumentStack dstStack, @OpType int operationType)58     public static void show(FragmentManager fm, @DialogType int dialogType,
59             ArrayList<DocumentInfo> failedSrcList, DocumentStack dstStack,
60             @OpType int operationType) {
61         final Bundle args = new Bundle();
62         args.putInt(FileOperationService.EXTRA_DIALOG_TYPE, dialogType);
63         args.putInt(FileOperationService.EXTRA_OPERATION, operationType);
64         args.putParcelableArrayList(FileOperationService.EXTRA_SRC_LIST, failedSrcList);
65 
66         final FragmentTransaction ft = fm.beginTransaction();
67         final OperationDialogFragment fragment = new OperationDialogFragment();
68         fragment.setArguments(args);
69 
70         ft.add(fragment, TAG);
71         ft.commitAllowingStateLoss();
72     }
73 
74     @Override
onCreateDialog(Bundle inState)75     public Dialog onCreateDialog(Bundle inState) {
76         super.onCreate(inState);
77 
78         final @DialogType int dialogType =
79               getArguments().getInt(FileOperationService.EXTRA_DIALOG_TYPE);
80         final @OpType int operationType =
81               getArguments().getInt(FileOperationService.EXTRA_OPERATION);
82         final ArrayList<DocumentInfo> srcList = getArguments().getParcelableArrayList(
83                 FileOperationService.EXTRA_SRC_LIST);
84 
85         final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
86         String messageFormat;
87 
88         switch (dialogType) {
89             case DIALOG_TYPE_CONVERTED:
90                 messageFormat = getString(R.string.copy_converted_warning_content);
91                 break;
92 
93             case DIALOG_TYPE_FAILURE:
94                 switch (operationType) {
95                     case FileOperationService.OPERATION_COPY:
96                         messageFormat = getString(R.string.copy_failure_alert_content);
97                         break;
98                     case FileOperationService.OPERATION_DELETE:
99                         messageFormat = getString(R.string.delete_failure_alert_content);
100                         break;
101                     case FileOperationService.OPERATION_MOVE:
102                         messageFormat = getString(R.string.move_failure_alert_content);
103                         break;
104                     default:
105                         throw new UnsupportedOperationException();
106                 }
107                 break;
108 
109             default:
110                 throw new UnsupportedOperationException();
111         }
112 
113         final StringBuilder list = new StringBuilder("<p>");
114         for (DocumentInfo documentInfo : srcList) {
115             list.append(String.format("&#8226; %s<br>", Html.escapeHtml(documentInfo.displayName)));
116         }
117         list.append("</p>");
118         builder.setMessage(Html.fromHtml(String.format(messageFormat, list.toString())));
119         builder.setPositiveButton(
120                 R.string.close,
121                 new DialogInterface.OnClickListener() {
122                     @Override
123                     public void onClick(DialogInterface dialog, int id) {
124                         dialog.dismiss();
125                     }
126                 });
127 
128         return builder.create();
129     }
130 }
131