src/com/owncloud/android/utils/DisplayUtils.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author David A. Velasco
   6  *   Copyright (C) 2011  Bartek Przybylski
   7  *   Copyright (C) 2015 ownCloud Inc.
   8  *
   9  *   This program is free software: you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License version 2,
  11  *   as published by the Free Software Foundation.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  */
  22
  23 package com.owncloud.android.utils;
  24
  25 import java.math.BigDecimal;
  26 import java.net.IDN;
  27 import java.text.DateFormat;
  28 import java.util.Arrays;
  29 import java.util.Calendar;
  30 import java.util.Date;
  31 import java.util.HashMap;
  32 import java.util.HashSet;
  33 import java.util.Set;
  34 import java.util.Vector;
  35
  36 import android.annotation.TargetApi;
  37 import android.app.Activity;
  38 import android.content.Context;
  39 import android.graphics.Color;
  40 import android.graphics.Point;
  41 import android.graphics.PorterDuff;
  42 import android.os.Build;
  43 import android.text.format.DateUtils;
  44 import android.view.Display;
  45 import android.webkit.MimeTypeMap;
  46 import android.widget.ProgressBar;
  47 import android.widget.SeekBar;
  48
  49 import com.owncloud.android.MainApp;
  50 import com.owncloud.android.R;
  51 import com.owncloud.android.datamodel.OCFile;
  52
  53 /**
  54  * A helper class for some string operations.
  55  */
  56 public class DisplayUtils {
  57
  58     private static final String OWNCLOUD_APP_NAME = "ownCloud";
  59
  60     //private static String TAG = DisplayUtils.class.getSimpleName();
  61
  62     private static final String[] sizeSuffixes = { "B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" };
  63     private static final int[] sizeScales = { 0, 0, 0, 1, 1, 2, 2, 2, 2 };
  64
  65     private static HashMap<String, String> mimeType2HUmanReadable;
  66     static {
  67         mimeType2HUmanReadable = new HashMap<String, String>();
  68         // images
  69         mimeType2HUmanReadable.put("image/jpeg", "JPEG image");
  70         mimeType2HUmanReadable.put("image/jpg", "JPEG image");
  71         mimeType2HUmanReadable.put("image/png", "PNG image");
  72         mimeType2HUmanReadable.put("image/bmp", "Bitmap image");
  73         mimeType2HUmanReadable.put("image/gif", "GIF image");
  74         mimeType2HUmanReadable.put("image/svg+xml", "JPEG image");
  75         mimeType2HUmanReadable.put("image/tiff", "TIFF image");
  76         // music
  77         mimeType2HUmanReadable.put("audio/mpeg", "MP3 music file");
  78         mimeType2HUmanReadable.put("application/ogg", "OGG music file");
  79
  80     }
  81
  82     private static final String TYPE_APPLICATION = "application";
  83     private static final String TYPE_AUDIO = "audio";
  84     private static final String TYPE_IMAGE = "image";
  85     private static final String TYPE_TXT = "text";
  86     private static final String TYPE_VIDEO = "video";
  87
  88     private static final String SUBTYPE_PDF = "pdf";
  89     private static final String SUBTYPE_XML = "xml";
  90     private static final String[] SUBTYPES_DOCUMENT = {
  91         "msword",
  92         "vnd.openxmlformats-officedocument.wordprocessingml.document",
  93         "vnd.oasis.opendocument.text",
  94         "rtf",
  95         "javascript"
  96     };
  97     private static Set<String> SUBTYPES_DOCUMENT_SET = new HashSet<String>(Arrays.asList(SUBTYPES_DOCUMENT));
  98     private static final String[] SUBTYPES_SPREADSHEET = {
  99         "msexcel",
 100         "vnd.ms-excel",
 101         "vnd.openxmlformats-officedocument.spreadsheetml.sheet",
 102         "vnd.oasis.opendocument.spreadsheet"
 103     };
 104     private static Set<String> SUBTYPES_SPREADSHEET_SET = new HashSet<String>(Arrays.asList(SUBTYPES_SPREADSHEET));
 105     private static final String[] SUBTYPES_PRESENTATION = {
 106         "mspowerpoint",
 107         "vnd.ms-powerpoint",
 108         "vnd.openxmlformats-officedocument.presentationml.presentation",
 109         "vnd.oasis.opendocument.presentation"
 110     };
 111     private static Set<String> SUBTYPES_PRESENTATION_SET = new HashSet<String>(Arrays.asList(SUBTYPES_PRESENTATION));
 112     private static final String[] SUBTYPES_COMPRESSED = {"x-tar", "x-gzip", "zip"};
 113     private static final Set<String> SUBTYPES_COMPRESSED_SET = new HashSet<String>(Arrays.asList(SUBTYPES_COMPRESSED));
 114     private static final String SUBTYPE_OCTET_STREAM = "octet-stream";
 115     private static final String EXTENSION_RAR = "rar";
 116     private static final String EXTENSION_RTF = "rtf";
 117     private static final String EXTENSION_3GP = "3gp";
 118     private static final String EXTENSION_PY = "py";
 119     private static final String EXTENSION_JS = "js";
 120
 121     /**
 122      * Converts the file size in bytes to human readable output.
 123      * <ul>
 124      *     <li>appends a size suffix, e.g. B, KB, MB etc.</li>
 125      *     <li>rounds the size based on the suffix to 0,1 or 2 decimals</li>
 126      * </ul>
 127      *
 128      * @param bytes Input file size
 129      * @return Like something readable like "12 MB"
 130      */
 131     public static String bytesToHumanReadable(long bytes) {
 132         double result = bytes;
 133         int attachedsuff = 0;
 134         while (result > 1024 && attachedsuff < sizeSuffixes.length) {
 135             result /= 1024.;
 136             attachedsuff++;
 137         }
 138
 139         return new BigDecimal(result).setScale(
 140                 sizeScales[attachedsuff], BigDecimal.ROUND_HALF_UP) + " " + sizeSuffixes[attachedsuff];
 141     }
 142
 143     /**
 144      * Converts MIME types like "image/jpg" to more end user friendly output
 145      * like "JPG image".
 146      *
 147      * @param mimetype MIME type to convert
 148      * @return A human friendly version of the MIME type
 149      */
 150     public static String convertMIMEtoPrettyPrint(String mimetype) {
 151         if (mimeType2HUmanReadable.containsKey(mimetype)) {
 152             return mimeType2HUmanReadable.get(mimetype);
 153         }
 154         if (mimetype.split("/").length >= 2)
 155             return mimetype.split("/")[1].toUpperCase() + " file";
 156         return "Unknown type";
 157     }
 158
 159
 160     /**
 161      * Returns the resource identifier of an image to use as icon associated to a known MIME type.
 162      *
 163      * @param mimetype      MIME type string; if NULL, the method tries to guess it from the extension in filename
 164      * @param filename      Name, with extension.
 165      * @return              Identifier of an image resource.
 166      */
 167     public static int getFileTypeIconId(String mimetype, String filename) {
 168
 169         if (mimetype == null) {
 170             String fileExtension = getExtension(filename);
 171             mimetype = MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileExtension);
 172             if (mimetype == null) {
 173                 mimetype = TYPE_APPLICATION + "/" + SUBTYPE_OCTET_STREAM;
 174             }
 175         }
 176
 177         if ("DIR".equals(mimetype)) {
 178             return R.drawable.ic_menu_archive;
 179
 180         } else {
 181             String [] parts = mimetype.split("/");
 182             String type = parts[0];
 183             String subtype = (parts.length > 1) ? parts[1] : "";
 184
 185             if(TYPE_TXT.equals(type)) {
 186                 return R.drawable.file_doc;
 187
 188             } else if(TYPE_IMAGE.equals(type)) {
 189                 return R.drawable.file_image;
 190
 191             } else if(TYPE_VIDEO.equals(type)) {
 192                 return R.drawable.file_movie;
 193
 194             } else if(TYPE_AUDIO.equals(type)) {
 195                 return R.drawable.file_sound;
 196
 197             } else if(TYPE_APPLICATION.equals(type)) {
 198
 199                 if (SUBTYPE_PDF.equals(subtype)) {
 200                     return R.drawable.file_pdf;
 201
 202                 } else if (SUBTYPE_XML.equals(subtype)) {
 203                     return R.drawable.file_doc;
 204
 205                 } else if (SUBTYPES_DOCUMENT_SET.contains(subtype)) {
 206                     return R.drawable.file_doc;
 207
 208                 } else if (SUBTYPES_SPREADSHEET_SET.contains(subtype)) {
 209                     return R.drawable.file_xls;
 210
 211                 } else if (SUBTYPES_PRESENTATION_SET.contains(subtype)) {
 212                     return R.drawable.file_ppt;
 213
 214                 } else if (SUBTYPES_COMPRESSED_SET.contains(subtype)) {
 215                     return R.drawable.file_zip;
 216
 217                 } else if (SUBTYPE_OCTET_STREAM.equals(subtype) ) {
 218                     if (getExtension(filename).equalsIgnoreCase(EXTENSION_RAR)) {
 219                         return R.drawable.file_zip;
 220
 221                     } else if (getExtension(filename).equalsIgnoreCase(EXTENSION_RTF)) {
 222                         return R.drawable.file_doc;
 223
 224                     } else if (getExtension(filename).equalsIgnoreCase(EXTENSION_3GP)) {
 225                         return R.drawable.file_movie;
 226
 227                     } else if ( getExtension(filename).equalsIgnoreCase(EXTENSION_PY) ||
 228                                 getExtension(filename).equalsIgnoreCase(EXTENSION_JS)) {
 229                         return R.drawable.file_doc;
 230                     }
 231                 }
 232             }
 233         }
 234
 235         // default icon
 236         return R.drawable.file;
 237     }
 238
 239
 240     private static String getExtension(String filename) {
 241         String extension = filename.substring(filename.lastIndexOf(".") + 1).toLowerCase();
 242         return extension;
 243     }
 244
 245     /**
 246      * Converts Unix time to human readable format
 247      * @param milliseconds that have passed since 01/01/1970
 248      * @return The human readable time for the users locale
 249      */
 250     public static String unixTimeToHumanReadable(long milliseconds) {
 251         Date date = new Date(milliseconds);
 252         DateFormat df = DateFormat.getDateTimeInstance();
 253         return df.format(date);
 254     }
 255
 256
 257     public static int getSeasonalIconId() {
 258         if (Calendar.getInstance().get(Calendar.DAY_OF_YEAR) >= 354 &&
 259                 MainApp.getAppContext().getString(R.string.app_name).equals(OWNCLOUD_APP_NAME)) {
 260             return R.drawable.winter_holidays_icon;
 261         } else {
 262             return R.drawable.icon;
 263         }
 264     }
 265
 266     /**
 267      * Converts an internationalized domain name (IDN) in an URL to and from ASCII/Unicode.
 268      * @param url the URL where the domain name should be converted
 269      * @param toASCII if true converts from Unicode to ASCII, if false converts from ASCII to Unicode
 270      * @return the URL containing the converted domain name
 271      */
 272     @TargetApi(Build.VERSION_CODES.GINGERBREAD)
 273     public static String convertIdn(String url, boolean toASCII) {
 274
 275         String urlNoDots = url;
 276         String dots="";
 277         while (urlNoDots.startsWith(".")) {
 278             urlNoDots = url.substring(1);
 279             dots = dots + ".";
 280         }
 281
 282         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) {
 283             // Find host name after '//' or '@'
 284             int hostStart = 0;
 285             if  (urlNoDots.indexOf("//") != -1) {
 286                 hostStart = url.indexOf("//") + "//".length();
 287             } else if (url.indexOf("@") != -1) {
 288                 hostStart = url.indexOf("@") + "@".length();
 289             }
 290
 291             int hostEnd = url.substring(hostStart).indexOf("/");
 292             // Handle URL which doesn't have a path (path is implicitly '/')
 293             hostEnd = (hostEnd == -1 ? urlNoDots.length() : hostStart + hostEnd);
 294
 295             String host = urlNoDots.substring(hostStart, hostEnd);
 296             host = (toASCII ? IDN.toASCII(host) : IDN.toUnicode(host));
 297
 298             return dots + urlNoDots.substring(0, hostStart) + host + urlNoDots.substring(hostEnd);
 299         } else {
 300             return dots + url;
 301         }
 302     }
 303
 304     /**
 305      * Get the file extension if it is on path as type "content://.../DocInfo.doc"
 306      * @param filepath: Content Uri converted to string format
 307      * @return String: fileExtension (type '.pdf'). Empty if no extension
 308      */
 309     public static String getComposedFileExtension(String filepath) {
 310         String fileExtension = "";
 311         String fileNameInContentUri = filepath.substring(filepath.lastIndexOf("/"));
 312
 313         // Check if extension is included in uri
 314         int pos = fileNameInContentUri.lastIndexOf('.');
 315         if (pos >= 0) {
 316             fileExtension = fileNameInContentUri.substring(pos);
 317         }
 318         return fileExtension;
 319     }
 320
 321     @SuppressWarnings("deprecation")
 322     public static CharSequence getRelativeDateTimeString (
 323             Context c, long time, long minResolution, long transitionResolution, int flags
 324             ){
 325
 326         CharSequence dateString = "";
 327
 328         // in Future
 329         if (time > System.currentTimeMillis()){
 330             return DisplayUtils.unixTimeToHumanReadable(time);
 331         }
 332         // < 60 seconds -> seconds ago
 333         else if ((System.currentTimeMillis() - time) < 60 * 1000) {
 334             return c.getString(R.string.file_list_seconds_ago);
 335         } else {
 336             // Workaround 2.x bug (see https://github.com/owncloud/android/issues/716)
 337             if (    Build.VERSION.SDK_INT <= Build.VERSION_CODES.HONEYCOMB &&
 338                     (System.currentTimeMillis() - time) > 24 * 60 * 60 * 1000   ) {
 339                 Date date = new Date(time);
 340                 date.setHours(0);
 341                 date.setMinutes(0);
 342                 date.setSeconds(0);
 343                 dateString = DateUtils.getRelativeDateTimeString(
 344                         c, date.getTime(), minResolution, transitionResolution, flags
 345                 );
 346             } else {
 347                 dateString = DateUtils.getRelativeDateTimeString(c, time, minResolution, transitionResolution, flags);
 348             }
 349         }
 350
 351         return dateString.toString().split(",")[0];
 352     }
 353
 354     /**
 355      * Update the passed path removing the last "/" if it is not the root folder
 356      * @param path
 357      */
 358     public static String getPathWithoutLastSlash(String path) {
 359
 360         // Remove last slash from path
 361         if (path.length() > 1 && path.charAt(path.length()-1) == OCFile.PATH_SEPARATOR.charAt(0)) {
 362             path = path.substring(0, path.length()-1);
 363         }
 364         return path;
 365     }
 366
 367
 368     /**
 369      * Gets the screen size in pixels in a backwards compatible way
 370      *
 371      * @param caller        Activity calling; needed to get access to the {@link android.view.WindowManager}
 372      * @return              Size in pixels of the screen, or default {@link Point} if caller is null
 373      */
 374     public static Point getScreenSize(Activity caller) {
 375         Point size = new Point();
 376         if (caller != null) {
 377             Display display = caller.getWindowManager().getDefaultDisplay();
 378             if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
 379                 display.getSize(size);
 380             } else {
 381                 size.set(display.getWidth(), display.getHeight());
 382             }
 383         }
 384         return size;
 385     }
 386
 387     /**
 388      * sets the coloring of the given progress bar to color_accent.
 389      *
 390      * @param progressBar the progress bar to be colored
 391      */
 392     public static void colorPreLollipopHorizontalProgressBar(ProgressBar progressBar) {
 393         if (progressBar != null && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 394             int color = progressBar.getResources().getColor(R.color.color_accent);
 395             progressBar.getIndeterminateDrawable().setColorFilter(color, PorterDuff.Mode.SRC_IN);
 396             progressBar.getProgressDrawable().setColorFilter(color, PorterDuff.Mode.SRC_IN);
 397         }
 398     }
 399
 400     /**
 401      * sets the coloring of the given seek bar to color_accent.
 402      *
 403      * @param seekBar the seek bar to be colored
 404      */
 405     public static void colorPreLollipopHorizontalSeekBar(SeekBar seekBar) {
 406         if (seekBar != null && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 407             colorPreLollipopHorizontalProgressBar(seekBar);
 408
 409             if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
 410                 int color = seekBar.getResources().getColor(R.color.color_accent);
 411                 seekBar.getThumb().setColorFilter(color, PorterDuff.Mode.SRC_IN);
 412                 seekBar.getThumb().setColorFilter(color, PorterDuff.Mode.SRC_IN);
 413             }
 414         }
 415     }
 416 }