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