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.documentsui.ui;
17 
18 import android.annotation.PluralsRes;
19 import android.content.Context;
20 import android.text.BidiFormatter;
21 import android.net.Uri;
22 import android.text.Html;
23 
24 import com.android.documentsui.OperationDialogFragment.DialogType;
25 import com.android.documentsui.R;
26 import com.android.documentsui.base.DocumentInfo;
27 import com.android.documentsui.base.Shared;
28 import com.android.documentsui.services.FileOperationService;
29 import com.android.documentsui.services.FileOperationService.OpType;
30 import com.android.documentsui.OperationDialogFragment.DialogType;
31 
32 import static com.android.documentsui.OperationDialogFragment.DIALOG_TYPE_FAILURE;
33 import static com.android.documentsui.OperationDialogFragment.DIALOG_TYPE_CONVERTED;
34 
35 import java.util.List;
36 
37 public class MessageBuilder {
38 
39     private Context mContext;
40 
MessageBuilder(Context context)41     public MessageBuilder(Context context) {
42         mContext = context;
43     }
44 
generateDeleteMessage(List<DocumentInfo> docs)45     public String generateDeleteMessage(List<DocumentInfo> docs) {
46         String message;
47         int dirsCount = 0;
48 
49         for (DocumentInfo doc : docs) {
50             if (doc.isDirectory()) {
51                 ++dirsCount;
52             }
53         }
54 
55         if (docs.size() == 1) {
56             // Deleteing 1 file xor 1 folder in cwd
57 
58             // Address b/28772371, where including user strings in message can result in
59             // broken bidirectional support.
60             String displayName = BidiFormatter.getInstance().unicodeWrap(docs.get(0).displayName);
61             message = dirsCount == 0
62                     ? mContext.getString(R.string.delete_filename_confirmation_message,
63                             displayName)
64                     : mContext.getString(R.string.delete_foldername_confirmation_message,
65                             displayName);
66         } else if (dirsCount == 0) {
67             // Deleting only files in cwd
68             message = Shared.getQuantityString(mContext,
69                     R.plurals.delete_files_confirmation_message, docs.size());
70         } else if (dirsCount == docs.size()) {
71             // Deleting only folders in cwd
72             message = Shared.getQuantityString(mContext,
73                     R.plurals.delete_folders_confirmation_message, docs.size());
74         } else {
75             // Deleting mixed items (files and folders) in cwd
76             message = Shared.getQuantityString(mContext,
77                     R.plurals.delete_items_confirmation_message, docs.size());
78         }
79         return message;
80     }
81 
generateListMessage( @ialogType int dialogType, @OpType int operationType, List<DocumentInfo> docs, List<Uri> uris)82     public String generateListMessage(
83             @DialogType int dialogType, @OpType int operationType, List<DocumentInfo> docs,
84             List<Uri> uris) {
85         int resourceId;
86 
87         switch (dialogType) {
88             case DIALOG_TYPE_CONVERTED:
89                 resourceId = R.plurals.copy_converted_warning_content;
90                 break;
91 
92             case DIALOG_TYPE_FAILURE:
93                 switch (operationType) {
94                     case FileOperationService.OPERATION_COPY:
95                         resourceId = R.plurals.copy_failure_alert_content;
96                         break;
97                     case FileOperationService.OPERATION_COMPRESS:
98                         resourceId = R.plurals.compress_failure_alert_content;
99                         break;
100                     case FileOperationService.OPERATION_EXTRACT:
101                         resourceId = R.plurals.extract_failure_alert_content;
102                         break;
103                     case FileOperationService.OPERATION_DELETE:
104                         resourceId = R.plurals.delete_failure_alert_content;
105                         break;
106                     case FileOperationService.OPERATION_MOVE:
107                         resourceId = R.plurals.move_failure_alert_content;
108                         break;
109                     default:
110                         throw new UnsupportedOperationException();
111                 }
112                 break;
113 
114             default:
115                 throw new UnsupportedOperationException();
116         }
117 
118         final StringBuilder list = new StringBuilder("<p>");
119         for (DocumentInfo documentInfo : docs) {
120             list.append("&#8226; " + Html.escapeHtml(BidiFormatter.getInstance().unicodeWrap(
121                     documentInfo.displayName)) + "<br>");
122         }
123         if (uris != null) {
124             for (Uri uri : uris) {
125                 list.append("&#8226; " + BidiFormatter.getInstance().unicodeWrap(uri.toSafeString()) +
126                         "<br>");
127             }
128         }
129         list.append("</p>");
130 
131         final int totalItems = docs.size() + (uris != null ? uris.size() : 0);
132         return mContext.getResources().getQuantityString(resourceId, totalItems, list.toString());
133     }
134 
135     /**
136      * Generates a formatted quantity string.
137      */
getQuantityString(@luralsRes int stringId, int quantity)138     public String getQuantityString(@PluralsRes int stringId, int quantity) {
139         return Shared.getQuantityString(mContext, stringId, quantity);
140     }
141 }
142