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.io.File;
  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.content.SharedPreferences;
  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.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.FileDataStorageManager;
  51 import com.owncloud.android.datamodel.OCFile;
  52
  53 import java.net.IDN;
  54 import java.text.DateFormat;
  55 import java.util.Calendar;
  56 import java.util.Date;
  57 import java.util.HashMap;
  58 import java.util.Map;
  59
  60 /**
  61  * A helper class for some string operations.
  62  */
  63 public class DisplayUtils {
  64
  65     private static final String OWNCLOUD_APP_NAME = "ownCloud";
  66
  67     private static final String[] sizeSuffixes = { "B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" };
  68
  69     private static Map<String, String> mimeType2HumanReadable;
  70
  71     static {
  72         mimeType2HumanReadable = new HashMap<String, String>();
  73         // images
  74         mimeType2HumanReadable.put("image/jpeg", "JPEG image");
  75         mimeType2HumanReadable.put("image/jpg", "JPEG image");
  76         mimeType2HumanReadable.put("image/png", "PNG image");
  77         mimeType2HumanReadable.put("image/bmp", "Bitmap image");
  78         mimeType2HumanReadable.put("image/gif", "GIF image");
  79         mimeType2HumanReadable.put("image/svg+xml", "JPEG image");
  80         mimeType2HumanReadable.put("image/tiff", "TIFF image");
  81         // music
  82         mimeType2HumanReadable.put("audio/mpeg", "MP3 music file");
  83         mimeType2HumanReadable.put("application/ogg", "OGG music file");
  84     }
  85
  86     /**
  87      * Converts the file size in bytes to human readable output.
  88      *
  89      * @param bytes Input file size
  90      * @return Like something readable like "12 MB"
  91      */
  92     public static String bytesToHumanReadable(long bytes) {
  93         double result = bytes;
  94         int attachedsuff = 0;
  95         while (result > 1024 && attachedsuff < sizeSuffixes.length) {
  96             result /= 1024.;
  97             attachedsuff++;
  98         }
  99         result = ((int) (result * 100)) / 100.;
 100         return result + " " + sizeSuffixes[attachedsuff];
 101     }
 102
 103     /**
 104      * Converts MIME types like "image/jpg" to more end user friendly output
 105      * like "JPG image".
 106      *
 107      * @param mimetype MIME type to convert
 108      * @return A human friendly version of the MIME type
 109      */
 110     public static String convertMIMEtoPrettyPrint(String mimetype) {
 111         if (mimeType2HumanReadable.containsKey(mimetype)) {
 112             return mimeType2HumanReadable.get(mimetype);
 113         }
 114         if (mimetype.split("/").length >= 2)
 115             return mimetype.split("/")[1].toUpperCase() + " file";
 116         return "Unknown type";
 117     }
 118
 119     /**
 120      * Converts Unix time to human readable format
 121      * @param milliseconds that have passed since 01/01/1970
 122      * @return The human readable time for the users locale
 123      */
 124     public static String unixTimeToHumanReadable(long milliseconds) {
 125         Date date = new Date(milliseconds);
 126         DateFormat df = DateFormat.getDateTimeInstance();
 127         return df.format(date);
 128     }
 129
 130     public static int getSeasonalIconId() {
 131         if (Calendar.getInstance().get(Calendar.DAY_OF_YEAR) >= 354 &&
 132                 MainApp.getAppContext().getString(R.string.app_name).equals(OWNCLOUD_APP_NAME)) {
 133             return R.drawable.winter_holidays_icon;
 134         } else {
 135             return R.drawable.icon;
 136         }
 137     }
 138
 139     /**
 140      * Converts an internationalized domain name (IDN) in an URL to and from ASCII/Unicode.
 141      * @param url the URL where the domain name should be converted
 142      * @param toASCII if true converts from Unicode to ASCII, if false converts from ASCII to Unicode
 143      * @return the URL containing the converted domain name
 144      */
 145     @TargetApi(Build.VERSION_CODES.GINGERBREAD)
 146     public static String convertIdn(String url, boolean toASCII) {
 147
 148         String urlNoDots = url;
 149         String dots="";
 150         while (urlNoDots.startsWith(".")) {
 151             urlNoDots = url.substring(1);
 152             dots = dots + ".";
 153         }
 154
 155         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) {
 156             // Find host name after '//' or '@'
 157             int hostStart = 0;
 158             if  (urlNoDots.indexOf("//") != -1) {
 159                 hostStart = url.indexOf("//") + "//".length();
 160             } else if (url.indexOf("@") != -1) {
 161                 hostStart = url.indexOf("@") + "@".length();
 162             }
 163
 164             int hostEnd = url.substring(hostStart).indexOf("/");
 165             // Handle URL which doesn't have a path (path is implicitly '/')
 166             hostEnd = (hostEnd == -1 ? urlNoDots.length() : hostStart + hostEnd);
 167
 168             String host = urlNoDots.substring(hostStart, hostEnd);
 169             host = (toASCII ? IDN.toASCII(host) : IDN.toUnicode(host));
 170
 171             return dots + urlNoDots.substring(0, hostStart) + host + urlNoDots.substring(hostEnd);
 172         } else {
 173             return dots + url;
 174         }
 175     }
 176
 177     /**
 178      * Get the file extension if it is on path as type "content://.../DocInfo.doc"
 179      * @param filepath: Content Uri converted to string format
 180      * @return String: fileExtension (type '.pdf'). Empty if no extension
 181      */
 182     public static String getComposedFileExtension(String filepath) {
 183         String fileExtension = "";
 184         String fileNameInContentUri = filepath.substring(filepath.lastIndexOf("/"));
 185
 186         // Check if extension is included in uri
 187         int pos = fileNameInContentUri.lastIndexOf('.');
 188         if (pos >= 0) {
 189             fileExtension = fileNameInContentUri.substring(pos);
 190         }
 191         return fileExtension;
 192     }
 193
 194     @SuppressWarnings("deprecation")
 195     public static CharSequence getRelativeDateTimeString (
 196             Context c, long time, long minResolution, long transitionResolution, int flags
 197             ){
 198
 199         CharSequence dateString = "";
 200
 201         // in Future
 202         if (time > System.currentTimeMillis()){
 203             return DisplayUtils.unixTimeToHumanReadable(time);
 204         }
 205         // < 60 seconds -> seconds ago
 206         else if ((System.currentTimeMillis() - time) < 60 * 1000) {
 207             return c.getString(R.string.file_list_seconds_ago);
 208         } else {
 209             // Workaround 2.x bug (see https://github.com/owncloud/android/issues/716)
 210             if (    Build.VERSION.SDK_INT <= Build.VERSION_CODES.HONEYCOMB &&
 211                     (System.currentTimeMillis() - time) > 24 * 60 * 60 * 1000   ) {
 212                 Date date = new Date(time);
 213                 date.setHours(0);
 214                 date.setMinutes(0);
 215                 date.setSeconds(0);
 216                 dateString = DateUtils.getRelativeDateTimeString(
 217                         c, date.getTime(), minResolution, transitionResolution, flags
 218                 );
 219             } else {
 220                 dateString = DateUtils.getRelativeDateTimeString(c, time, minResolution, transitionResolution, flags);
 221             }
 222         }
 223
 224         return dateString.toString().split(",")[0];
 225     }
 226
 227     /**
 228      * Update the passed path removing the last "/" if it is not the root folder
 229      * @param path
 230      */
 231     public static String getPathWithoutLastSlash(String path) {
 232
 233         // Remove last slash from path
 234         if (path.length() > 1 && path.charAt(path.length()-1) == OCFile.PATH_SEPARATOR.charAt(0)) {
 235             path = path.substring(0, path.length()-1);
 236         }
 237         return path;
 238     }
 239
 240
 241     /**
 242      * Gets the screen size in pixels in a backwards compatible way
 243      *
 244      * @param caller        Activity calling; needed to get access to the {@link android.view.WindowManager}
 245      * @return              Size in pixels of the screen, or default {@link Point} if caller is null
 246      */
 247     public static Point getScreenSize(Activity caller) {
 248         Point size = new Point();
 249         if (caller != null) {
 250             Display display = caller.getWindowManager().getDefaultDisplay();
 251             if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
 252                 display.getSize(size);
 253             } else {
 254                 size.set(display.getWidth(), display.getHeight());
 255             }
 256         }
 257         return size;
 258     }
 259
 260     /**
 261      * Determines if user set folder to grid or list view. If folder is not set itself,
 262      * it finds a parent that is set (at least root is set).
 263      * @param file
 264      * @param storageManager
 265      * @return
 266      */
 267     public static boolean isGridView(OCFile file, FileDataStorageManager storageManager){
 268         if (file != null) {
 269             OCFile fileToTest = file;
 270             OCFile parentDir = null;
 271             String parentPath = null;
 272
 273             SharedPreferences setting = MainApp.getAppContext().getSharedPreferences(
 274                     "viewMode", Context.MODE_PRIVATE);
 275
 276             if (setting.contains(fileToTest.getRemoteId())) {
 277                 return setting.getBoolean(fileToTest.getRemoteId(), false);
 278             } else {
 279                 do {
 280                     if (fileToTest.getParentId() != FileDataStorageManager.ROOT_PARENT_ID) {
 281                         parentPath = new File(fileToTest.getRemotePath()).getParent();
 282                         parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 283                                 parentPath + OCFile.PATH_SEPARATOR;
 284                         parentDir = storageManager.getFileByPath(parentPath);
 285                     } else {
 286                         parentDir = storageManager.getFileByPath(OCFile.ROOT_PATH);
 287                     }
 288
 289                     while (parentDir == null) {
 290                         parentPath = new File(parentPath).getParent();
 291                         parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath :
 292                                 parentPath + OCFile.PATH_SEPARATOR;
 293                         parentDir = storageManager.getFileByPath(parentPath);
 294                     }
 295                     fileToTest = parentDir;
 296                 } while (endWhile(parentDir, setting));
 297                 return setting.getBoolean(fileToTest.getRemoteId(), false);
 298             }
 299         } else {
 300             return false;
 301         }
 302     }
 303
 304     private static boolean endWhile(OCFile parentDir, SharedPreferences setting) {
 305         if (parentDir.getRemotePath().compareToIgnoreCase(OCFile.ROOT_PATH) == 0) {
 306             return false;
 307         } else {
 308             return !setting.contains(parentDir.getRemoteId());
 309         }
 310     }
 311
 312     public static void setViewMode(OCFile file, boolean setGrid){
 313         SharedPreferences setting = MainApp.getAppContext().getSharedPreferences(
 314                 "viewMode", Context.MODE_PRIVATE);
 315
 316         SharedPreferences.Editor editor = setting.edit();
 317         editor.putBoolean(file.getRemoteId(), setGrid);
 318         editor.commit();
 319     }
 320
 321     /**
 322      * sets the coloring of the given progress bar to color_accent.
 323      *
 324      * @param progressBar the progress bar to be colored
 325      */
 326     public static void colorPreLollipopHorizontalProgressBar(ProgressBar progressBar) {
 327         if (progressBar != null && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 328             int color = progressBar.getResources().getColor(R.color.color_accent);
 329             progressBar.getIndeterminateDrawable().setColorFilter(color, PorterDuff.Mode.SRC_IN);
 330             progressBar.getProgressDrawable().setColorFilter(color, PorterDuff.Mode.SRC_IN);
 331         }
 332     }
 333
 334     /**
 335      * sets the coloring of the given seek bar to color_accent.
 336      *
 337      * @param seekBar the seek bar to be colored
 338      */
 339     public static void colorPreLollipopHorizontalSeekBar(SeekBar seekBar) {
 340         if (seekBar != null && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 341             colorPreLollipopHorizontalProgressBar(seekBar);
 342
 343             if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
 344                 int color = seekBar.getResources().getColor(R.color.color_accent);
 345                 seekBar.getThumb().setColorFilter(color, PorterDuff.Mode.SRC_IN);
 346                 seekBar.getThumb().setColorFilter(color, PorterDuff.Mode.SRC_IN);
 347             }
 348         }
 349     }
 350 }