Home | History | Annotate | Download | only in ui 
      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 
     41     public MessageBuilder(Context context) {
     42         mContext = context;
     43     }
     44 
     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 
     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      */
    138     public String getQuantityString(@PluralsRes int stringId, int quantity) {
    139         return Shared.getQuantityString(mContext, stringId, quantity);
    140     }
    141 }
    142