src/com/owncloud/android/ui/adapter/FileListListAdapter.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18 package com.owncloud.android.ui.adapter;
  19
  20 import java.io.File;
  21 import java.util.Collections;
  22 import java.util.Comparator;
  23 import java.util.Vector;
  24
  25 import android.accounts.Account;
  26 import android.content.Context;
  27 import android.content.SharedPreferences;
  28 import android.preference.PreferenceManager;
  29 import android.view.LayoutInflater;
  30 import android.view.View;
  31 import android.view.ViewGroup;
  32 import android.widget.BaseAdapter;
  33 import android.widget.ImageView;
  34 import android.widget.ListAdapter;
  35 import android.widget.ListView;
  36 import android.widget.TextView;
  37
  38 import com.owncloud.android.R;
  39 import com.owncloud.android.authentication.AccountUtils;
  40 import com.owncloud.android.datamodel.AlphanumComparator;
  41 import com.owncloud.android.datamodel.FileDataStorageManager;
  42 import com.owncloud.android.datamodel.OCFile;
  43 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  44 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  45 import com.owncloud.android.ui.activity.ComponentsGetter;
  46 import com.owncloud.android.utils.DisplayUtils;
  47 import com.owncloud.android.utils.FileStorageUtils;
  48 import com.owncloud.android.utils.Log_OC;
  49
  50
  51 /**
  52  * This Adapter populates a ListView with all files and folders in an ownCloud
  53  * instance.
  54  *
  55  * @author Bartek Przybylski
  56  *
  57  */
  58 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  59     private final static String PERMISSION_SHARED_WITH_ME = "S";
  60
  61     private Context mContext;
  62     private OCFile mFile = null;
  63     private Vector<OCFile> mFiles = null;
  64     private boolean mJustFolders;
  65
  66     private FileDataStorageManager mStorageManager;
  67     private Account mAccount;
  68     private ComponentsGetter mTransferServiceGetter;
  69     private String sortOrder;
  70     private Boolean sortAscending;
  71     private SharedPreferences appPreferences;
  72
  73     public FileListListAdapter(
  74             boolean justFolders,
  75             Context context,
  76             ComponentsGetter transferServiceGetter
  77             ) {
  78         mJustFolders = justFolders;
  79         mContext = context;
  80         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  81         mTransferServiceGetter = transferServiceGetter;
  82
  83         appPreferences = PreferenceManager
  84                 .getDefaultSharedPreferences(mContext);
  85
  86         // Read sorting order, default to sort by name ascending
  87         sortOrder = appPreferences
  88                 .getString("sortOrder", "name");
  89         sortAscending = appPreferences.getBoolean("sortAscending", true);
  90
  91     }
  92
  93     @Override
  94     public boolean areAllItemsEnabled() {
  95         return true;
  96     }
  97
  98     @Override
  99     public boolean isEnabled(int position) {
 100         return true;
 101     }
 102
 103     @Override
 104     public int getCount() {
 105         return mFiles != null ? mFiles.size() : 0;
 106     }
 107
 108     @Override
 109     public Object getItem(int position) {
 110         if (mFiles == null || mFiles.size() <= position)
 111             return null;
 112         return mFiles.get(position);
 113     }
 114
 115     @Override
 116     public long getItemId(int position) {
 117         if (mFiles == null || mFiles.size() <= position)
 118             return 0;
 119         return mFiles.get(position).getFileId();
 120     }
 121
 122     @Override
 123     public int getItemViewType(int position) {
 124         return 0;
 125     }
 126
 127     @Override
 128     public View getView(int position, View convertView, ViewGroup parent) {
 129         View view = convertView;
 130         if (view == null) {
 131             LayoutInflater inflator = (LayoutInflater) mContext
 132                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 133             view = inflator.inflate(R.layout.list_item, null);
 134         }
 135
 136         if (mFiles != null && mFiles.size() > position) {
 137             OCFile file = mFiles.get(position);
 138             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 139             String name = file.getFileName();
 140
 141             fileName.setText(name);
 142             ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 143             ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 144             ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 145             sharedWithMeIconV.setVisibility(View.GONE);
 146
 147             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 148             localStateView.bringToFront();
 149             FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 150             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 151             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 152                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 153                 localStateView.setVisibility(View.VISIBLE);
 154             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 155                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 156                 localStateView.setVisibility(View.VISIBLE);
 157             } else if (file.isDown()) {
 158                 localStateView.setImageResource(R.drawable.local_file_indicator);
 159                 localStateView.setVisibility(View.VISIBLE);
 160             } else {
 161                 localStateView.setVisibility(View.INVISIBLE);
 162             }
 163
 164             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 165             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 166             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 167
 168             if (!file.isFolder()) {
 169                 fileSizeV.setVisibility(View.VISIBLE);
 170                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 171                 lastModV.setVisibility(View.VISIBLE);
 172                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 173                 // this if-else is needed even thoe fav icon is visible by default
 174                 // because android reuses views in listview
 175                 if (!file.keepInSync()) {
 176                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 177                 } else {
 178                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 179                 }
 180
 181                 ListView parentList = (ListView)parent;
 182                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 183                     checkBoxV.setVisibility(View.GONE);
 184                 } else {
 185                     if (parentList.isItemChecked(position)) {
 186                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 187                     } else {
 188                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 189                     }
 190                     checkBoxV.setVisibility(View.VISIBLE);
 191                 }
 192
 193                 fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 194
 195                 if (checkIfFileIsSharedWithMe(file)) {
 196                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 197                 }
 198             }
 199             else {
 200                 if (FileStorageUtils.getDefaultSavePathFor(mAccount.name, file) != null){
 201                     fileSizeV.setVisibility(View.VISIBLE);
 202                     fileSizeV.setText(getFolderSizeHuman(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file)));
 203                 } else {
 204                     fileSizeV.setVisibility(View.INVISIBLE);
 205                 }
 206
 207                 lastModV.setVisibility(View.VISIBLE);
 208                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 209                 checkBoxV.setVisibility(View.GONE);
 210                 view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 211
 212                 if (checkIfFileIsSharedWithMe(file)) {
 213                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 214                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 215                 } else {
 216                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 217                 }
 218
 219                 // If folder is sharedByLink, icon folder must be changed to
 220                 // folder-public one
 221                 if (file.isShareByLink()) {
 222                     fileIcon.setImageResource(R.drawable.folder_public);
 223                 }
 224             }
 225
 226             if (file.isShareByLink()) {
 227                 sharedIconV.setVisibility(View.VISIBLE);
 228             } else {
 229                 sharedIconV.setVisibility(View.GONE);
 230             }
 231         }
 232
 233         return view;
 234     }
 235
 236     /**
 237      * Local Folder size in human readable format
 238      * @param path String
 239      * @return Size in human readable format
 240      */
 241     private String getFolderSizeHuman(String path) {
 242
 243         File dir = new File(path);
 244
 245         if(dir.exists()) {
 246             long bytes = getFolderSize(dir);
 247             if (bytes < 1024) return bytes + " B";
 248             int exp = (int) (Math.log(bytes) / Math.log(1024));
 249             String pre = ("KMGTPE").charAt(exp-1) + "";
 250
 251             return String.format("%.1f %sB", bytes / Math.pow(1024, exp), pre);
 252         }
 253
 254         return "0 B";
 255     }
 256
 257     /**
 258      * Local Folder size
 259      * @param dir File
 260      * @return Size in bytes
 261      */
 262     private long getFolderSize(File dir) {
 263         if (dir.exists()) {
 264             long result = 0;
 265             File[] fileList = dir.listFiles();
 266             for(int i = 0; i < fileList.length; i++) {
 267                 if(fileList[i].isDirectory()) {
 268                     result += getFolderSize(fileList[i]);
 269                 } else {
 270                     result += fileList[i].length();
 271                 }
 272             }
 273             return result;
 274         }
 275         return 0;
 276     }
 277
 278     @Override
 279     public int getViewTypeCount() {
 280         return 1;
 281     }
 282
 283     @Override
 284     public boolean hasStableIds() {
 285         return true;
 286     }
 287
 288     @Override
 289     public boolean isEmpty() {
 290         return (mFiles == null || mFiles.isEmpty());
 291     }
 292
 293     /**
 294      * Change the adapted directory for a new one
 295      * @param directory                 New file to adapt. Can be NULL, meaning "no content to adapt".
 296      * @param updatedStorageManager     Optional updated storage manager; used to replace mStorageManager if is different (and not NULL)
 297      */
 298     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 299         mFile = directory;
 300         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 301             mStorageManager = updatedStorageManager;
 302             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 303         }
 304         if (mStorageManager != null) {
 305             mFiles = mStorageManager.getFolderContent(mFile);
 306             if (mJustFolders) {
 307                 mFiles = getFolders(mFiles);
 308             }
 309         } else {
 310             mFiles = null;
 311         }
 312
 313         sortDirectory();
 314     }
 315
 316     /**
 317      * Sorts all filenames, regarding last user decision
 318      */
 319     private void sortDirectory(){
 320         if (sortOrder.equals("name")){
 321            sortByName(sortAscending);
 322         } else if (sortOrder.equals("size")){
 323             sortBySize(sortAscending);
 324         } else if (sortOrder.equals("date")){
 325             sortByDate(sortAscending);
 326         }
 327
 328         notifyDataSetChanged();
 329     }
 330
 331
 332     /**
 333      * Filter for getting only the folders
 334      * @param files
 335      * @return Vector<OCFile>
 336      */
 337     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 338         Vector<OCFile> ret = new Vector<OCFile>();
 339         OCFile current = null;
 340         for (int i=0; i<files.size(); i++) {
 341             current = files.get(i);
 342             if (current.isFolder()) {
 343                 ret.add(current);
 344             }
 345         }
 346         return ret;
 347     }
 348
 349
 350     /**
 351      * Check if parent folder does not include 'S' permission and if file/folder
 352      * is shared with me
 353      *
 354      * @param file: OCFile
 355      * @return boolean: True if it is shared with me and false if it is not
 356      */
 357     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 358         return (mFile.getPermissions() != null && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 359                 && file.getPermissions() != null && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 360     }
 361
 362     /**
 363      * Sorts list by Date
 364      * @param sortAscending true: ascending, false: descending
 365      */
 366     private void sortByDate(boolean sortAscending){
 367         final Integer val;
 368         if (sortAscending){
 369             val = 1;
 370         } else {
 371             val = -1;
 372         }
 373
 374         Collections.sort(mFiles, new Comparator<OCFile>() {
 375             public int compare(OCFile o1, OCFile o2) {
 376                 if (o1.isFolder() && o2.isFolder()) {
 377                     return val * Long.compare(o1.getModificationTimestamp(), o2.getModificationTimestamp());
 378                 }
 379                 else if (o1.isFolder()) {
 380                     return -1;
 381                 } else if (o2.isFolder()) {
 382                     return 1;
 383                 } else if (o1.getModificationTimestamp() == 0 || o2.getModificationTimestamp() == 0){
 384                     return 0;
 385                 } else {
 386                     return val * Long.compare(o1.getModificationTimestamp(), o2.getModificationTimestamp());
 387                 }
 388             }
 389         });
 390     }
 391
 392     /**
 393      * Sorts list by Size
 394      * @param sortAscending true: ascending, false: descending
 395      */
 396     private void sortBySize(boolean sortAscending){
 397         final Integer val;
 398         if (sortAscending){
 399             val = 1;
 400         } else {
 401             val = -1;
 402         }
 403
 404         Collections.sort(mFiles, new Comparator<OCFile>() {
 405             public int compare(OCFile o1, OCFile o2) {
 406                 if (o1.isFolder() && o2.isFolder()) {
 407                     return val * Long.compare(getFolderSize(new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, o1))),
 408                                               getFolderSize(new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, o2))));
 409                 }
 410                 else if (o1.isFolder()) {
 411                     return -1;
 412                 } else if (o2.isFolder()) {
 413                     return 1;
 414                 } else if (o1.getFileLength() == 0 || o2.getFileLength() == 0){
 415                     return 0;
 416                 } else {
 417                     return val * Long.compare(o1.getFileLength(), o2.getFileLength());
 418                 }
 419             }
 420         });
 421     }
 422
 423     /**
 424      * Sorts list by Name
 425      * @param sortAscending true: ascending, false: descending
 426      */
 427     private void sortByName(boolean sortAscending){
 428         final Integer val;
 429         if (sortAscending){
 430             val = 1;
 431         } else {
 432             val = -1;
 433         }
 434
 435         Collections.sort(mFiles, new Comparator<OCFile>() {
 436             public int compare(OCFile o1, OCFile o2) {
 437                 if (o1.isFolder() && o2.isFolder()) {
 438                     return val * o1.getRemotePath().toLowerCase().compareTo(o2.getRemotePath().toLowerCase());
 439                 } else if (o1.isFolder()) {
 440                     return -1;
 441                 } else if (o2.isFolder()) {
 442                     return 1;
 443                 }
 444                 return val * new AlphanumComparator().compare(o1, o2);
 445             }
 446         });
 447     }
 448
 449     public void setSortOrder(String order, boolean ascending) {
 450         SharedPreferences.Editor editor = appPreferences.edit();
 451         editor.putString("sortOrder", order);
 452         editor.putBoolean("sortAscending", ascending);
 453         editor.commit();
 454
 455         sortOrder = order;
 456         sortAscending = ascending;
 457
 458         sortDirectory();
 459     }
 460 }