src/com/android/browser/BrowserDownloadAdapter.java

   1 /*
   2  * Copyright (C) 2007 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
  18 package com.android.browser;
  19
  20 import android.content.Context;
  21 import android.content.Intent;
  22 import android.content.pm.PackageManager;
  23 import android.content.pm.ResolveInfo;
  24 import android.content.res.Resources;
  25 import android.database.Cursor;
  26 import android.drm.mobile1.DrmRawContent;
  27 import android.graphics.drawable.Drawable;
  28 import android.net.Uri;
  29 import android.provider.Downloads;
  30 import android.text.format.Formatter;
  31 import android.view.LayoutInflater;
  32 import android.view.View;
  33 import android.view.ViewGroup;
  34 import android.widget.ImageView;
  35 import android.widget.ProgressBar;
  36 import android.widget.RelativeLayout;
  37 import android.widget.TextView;
  38
  39 import java.text.DateFormat;
  40 import java.util.Date;
  41 import java.util.List;
  42
  43 /**
  44  * This class is used to represent the data for the download list box. The only
  45  * real work done by this class is to construct a custom view for the line
  46  * items.
  47  */
  48 public class BrowserDownloadAdapter extends DateSortedExpandableListAdapter {
  49
  50     private int mTitleColumnId;
  51     private int mDescColumnId;
  52     private int mStatusColumnId;
  53     private int mTotalBytesColumnId;
  54     private int mCurrentBytesColumnId;
  55     private int mMimetypeColumnId;
  56     private int mDateColumnId;
  57
  58     public BrowserDownloadAdapter(Context context, Cursor c, int index) {
  59         super(context, c, index);
  60         mTitleColumnId = c.getColumnIndexOrThrow(Downloads.Impl.COLUMN_TITLE);
  61         mDescColumnId = c.getColumnIndexOrThrow(Downloads.Impl.COLUMN_DESCRIPTION);
  62         mStatusColumnId = c.getColumnIndexOrThrow(Downloads.Impl.COLUMN_STATUS);
  63         mTotalBytesColumnId = c.getColumnIndexOrThrow(Downloads.Impl.COLUMN_TOTAL_BYTES);
  64         mCurrentBytesColumnId =
  65             c.getColumnIndexOrThrow(Downloads.Impl.COLUMN_CURRENT_BYTES);
  66         mMimetypeColumnId = c.getColumnIndexOrThrow(Downloads.Impl.COLUMN_MIME_TYPE);
  67         mDateColumnId = c.getColumnIndexOrThrow(Downloads.Impl.COLUMN_LAST_MODIFICATION);
  68     }
  69
  70     @Override
  71     public View getChildView(int groupPosition, int childPosition,
  72                 boolean isLastChild, View convertView, ViewGroup parent) {
  73         Context context = getContext();
  74         // The layout file uses a RelativeLayout, whereas the GroupViews use
  75         // TextView.
  76         if (null == convertView || !(convertView instanceof RelativeLayout)) {
  77             convertView = LayoutInflater.from(context).inflate(
  78                     R.layout.browser_download_item, null);
  79         }
  80
  81         // Bail early if the Cursor is closed.
  82         if (!moveCursorToChildPosition(groupPosition, childPosition)) {
  83             return convertView;
  84         }
  85
  86         Resources r = context.getResources();
  87
  88         // Retrieve the icon for this download
  89         String mimeType = getString(mMimetypeColumnId);
  90         ImageView iv = (ImageView) convertView.findViewById(R.id.download_icon);
  91         if (DrmRawContent.DRM_MIMETYPE_MESSAGE_STRING.equalsIgnoreCase(mimeType)) {
  92             iv.setImageResource(R.drawable.ic_launcher_drm_file);
  93         } else if (mimeType == null) {
  94             iv.setVisibility(View.INVISIBLE);
  95         } else {
  96             Intent intent = new Intent(Intent.ACTION_VIEW);
  97             intent.setDataAndType(Uri.fromParts("file", "", null), mimeType);
  98             PackageManager pm = context.getPackageManager();
  99             List<ResolveInfo> list = pm.queryIntentActivities(intent,
 100                     PackageManager.MATCH_DEFAULT_ONLY);
 101             if (list.size() > 0) {
 102                 Drawable icon = list.get(0).activityInfo.loadIcon(pm);
 103                 iv.setImageDrawable(icon);
 104                 iv.setVisibility(View.VISIBLE);
 105             } else {
 106                 iv.setVisibility(View.INVISIBLE);
 107             }
 108         }
 109
 110         TextView tv = (TextView) convertView.findViewById(R.id.download_title);
 111         String title = getString(mTitleColumnId);
 112         if (title == null) {
 113             title = r.getString(R.string.download_unknown_filename);
 114         }
 115         tv.setText(title);
 116
 117         tv = (TextView) convertView.findViewById(R.id.domain);
 118         tv.setText(getString(mDescColumnId));
 119
 120         long totalBytes = getLong(mTotalBytesColumnId);
 121
 122         int status = getInt(mStatusColumnId);
 123         if (Downloads.Impl.isStatusCompleted(status)) { // Download stopped
 124             View v = convertView.findViewById(R.id.progress_text);
 125             v.setVisibility(View.GONE);
 126
 127             v = convertView.findViewById(R.id.download_progress);
 128             v.setVisibility(View.GONE);
 129
 130             tv = (TextView) convertView.findViewById(R.id.complete_text);
 131             tv.setVisibility(View.VISIBLE);
 132             if (Downloads.Impl.isStatusError(status)) {
 133                 tv.setText(getErrorText(status));
 134             } else {
 135                 tv.setText(r.getString(R.string.download_success,
 136                         Formatter.formatFileSize(context, totalBytes)));
 137             }
 138
 139             long time = getLong(mDateColumnId);
 140             Date d = new Date(time);
 141             DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT);
 142             tv = (TextView) convertView.findViewById(R.id.complete_date);
 143             tv.setVisibility(View.VISIBLE);
 144             tv.setText(df.format(d));
 145
 146         } else { // Download is still running
 147             tv = (TextView) convertView.findViewById(R.id.progress_text);
 148             tv.setVisibility(View.VISIBLE);
 149
 150             View progress = convertView.findViewById(R.id.download_progress);
 151             progress.setVisibility(View.VISIBLE);
 152
 153             View v = convertView.findViewById(R.id.complete_date);
 154             v.setVisibility(View.GONE);
 155
 156             v = convertView.findViewById(R.id.complete_text);
 157             v.setVisibility(View.GONE);
 158
 159             if (status == Downloads.Impl.STATUS_PENDING) {
 160                 tv.setText(r.getText(R.string.download_pending));
 161             } else if (status == Downloads.Impl.STATUS_PENDING_PAUSED) {
 162                 tv.setText(r.getText(R.string.download_pending_network));
 163             } else {
 164                 ProgressBar pb = (ProgressBar) progress;
 165
 166                 StringBuilder sb = new StringBuilder();
 167                 if (status == Downloads.Impl.STATUS_RUNNING) {
 168                     sb.append(r.getText(R.string.download_running));
 169                 } else {
 170                     sb.append(r.getText(R.string.download_running_paused));
 171                 }
 172                 if (totalBytes > 0) {
 173                     long currentBytes = getLong(mCurrentBytesColumnId);
 174                     int progressAmount = (int)(currentBytes * 100 / totalBytes);
 175                     sb.append(' ');
 176                     sb.append(progressAmount);
 177                     sb.append("% (");
 178                     sb.append(Formatter.formatFileSize(context, currentBytes));
 179                     sb.append("/");
 180                     sb.append(Formatter.formatFileSize(context, totalBytes));
 181                     sb.append(")");
 182                     pb.setIndeterminate(false);
 183                     pb.setProgress(progressAmount);
 184                 } else {
 185                     pb.setIndeterminate(true);
 186                 }
 187                 tv.setText(sb.toString());
 188             }
 189         }
 190         return convertView;
 191     }
 192
 193     /**
 194      * Provide the resource id for the error string.
 195      * @param status status of the download item
 196      * @return resource id for the error string.
 197      */
 198     public static int getErrorText(int status) {
 199         switch (status) {
 200             case Downloads.Impl.STATUS_NOT_ACCEPTABLE:
 201                 return R.string.download_not_acceptable;
 202
 203             case Downloads.Impl.STATUS_LENGTH_REQUIRED:
 204                 return R.string.download_length_required;
 205
 206             case Downloads.Impl.STATUS_PRECONDITION_FAILED:
 207                 return R.string.download_precondition_failed;
 208
 209             case Downloads.Impl.STATUS_CANCELED:
 210                 return R.string.download_canceled;
 211
 212             case Downloads.Impl.STATUS_FILE_ERROR:
 213                 return R.string.download_file_error;
 214
 215             case Downloads.Impl.STATUS_BAD_REQUEST:
 216             case Downloads.Impl.STATUS_UNKNOWN_ERROR:
 217             default:
 218                 return R.string.download_error;
 219         }
 220     }
 221 }