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
  21 import java.io.File;
  22 import java.util.Collections;
  23 import java.util.Comparator;
  24 import java.util.Vector;
  25
  26 import third_parties.daveKoeller.AlphanumComparator;
  27 import android.accounts.Account;
  28 import android.content.Context;
  29 import android.content.SharedPreferences;
  30 import android.graphics.Bitmap;
  31 import android.preference.PreferenceManager;
  32 import android.text.format.DateUtils;
  33 import android.view.LayoutInflater;
  34 import android.view.View;
  35 import android.view.ViewGroup;
  36 import android.widget.BaseAdapter;
  37 import android.widget.ImageView;
  38 import android.widget.ListAdapter;
  39 import android.widget.ListView;
  40 import android.widget.TextView;
  41
  42 import com.owncloud.android.R;
  43 import com.owncloud.android.authentication.AccountUtils;
  44 import com.owncloud.android.datamodel.FileDataStorageManager;
  45 import com.owncloud.android.datamodel.OCFile;
  46 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  47 import com.owncloud.android.datamodel.ThumbnailsCacheManager.AsyncDrawable;
  48 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  49 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  50 import com.owncloud.android.ui.activity.ComponentsGetter;
  51 import com.owncloud.android.utils.DisplayUtils;
  52 import com.owncloud.android.utils.FileStorageUtils;
  53
  54
  55 /**
  56  * This Adapter populates a ListView with all files and folders in an ownCloud
  57  * instance.
  58  *
  59  * @author Bartek Przybylski
  60  * @author Tobias Kaminsky
  61  * @author David A. Velasco
  62  */
  63 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  64     private final static String PERMISSION_SHARED_WITH_ME = "S";
  65
  66     private Context mContext;
  67     private OCFile mFile = null;
  68     private Vector<OCFile> mFiles = null;
  69     private boolean mJustFolders;
  70
  71     private FileDataStorageManager mStorageManager;
  72     private Account mAccount;
  73     private ComponentsGetter mTransferServiceGetter;
  74     private Integer mSortOrder;
  75     public static final Integer SORT_NAME = 0;
  76     public static final Integer SORT_DATE = 1;
  77     public static final Integer SORT_SIZE = 2;
  78     private Boolean mSortAscending;
  79     private SharedPreferences mAppPreferences;
  80
  81     public FileListListAdapter(
  82             boolean justFolders,
  83             Context context,
  84             ComponentsGetter transferServiceGetter
  85             ) {
  86
  87         mJustFolders = justFolders;
  88         mContext = context;
  89         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  90
  91         mTransferServiceGetter = transferServiceGetter;
  92
  93         mAppPreferences = PreferenceManager
  94                 .getDefaultSharedPreferences(mContext);
  95
  96         // Read sorting order, default to sort by name ascending
  97         mSortOrder = mAppPreferences
  98                 .getInt("sortOrder", 0);
  99         mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
 100
 101         // initialise thumbnails cache on background thread
 102         new ThumbnailsCacheManager.InitDiskCacheTask().execute();
 103
 104     }
 105
 106     @Override
 107     public boolean areAllItemsEnabled() {
 108         return true;
 109     }
 110
 111     @Override
 112     public boolean isEnabled(int position) {
 113         return true;
 114     }
 115
 116     @Override
 117     public int getCount() {
 118         return mFiles != null ? mFiles.size() : 0;
 119     }
 120
 121     @Override
 122     public Object getItem(int position) {
 123         if (mFiles == null || mFiles.size() <= position)
 124             return null;
 125         return mFiles.get(position);
 126     }
 127
 128     @Override
 129     public long getItemId(int position) {
 130         if (mFiles == null || mFiles.size() <= position)
 131             return 0;
 132         return mFiles.get(position).getFileId();
 133     }
 134
 135     @Override
 136     public int getItemViewType(int position) {
 137         return 0;
 138     }
 139
 140     @Override
 141     public View getView(int position, View convertView, ViewGroup parent) {
 142         View view = convertView;
 143         if (view == null) {
 144             LayoutInflater inflator = (LayoutInflater) mContext
 145                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 146             view = inflator.inflate(R.layout.list_item, null);
 147         }
 148
 149         if (mFiles != null && mFiles.size() > position) {
 150             OCFile file = mFiles.get(position);
 151             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 152             String name = file.getFileName();
 153
 154             fileName.setText(name);
 155             ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 156             fileIcon.setTag(file.getFileId());
 157             ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 158             ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 159             sharedWithMeIconV.setVisibility(View.GONE);
 160
 161             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 162             localStateView.bringToFront();
 163             FileDownloaderBinder downloaderBinder =
 164                     mTransferServiceGetter.getFileDownloaderBinder();
 165             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 166             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 167                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 168                 localStateView.setVisibility(View.VISIBLE);
 169             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 170                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 171                 localStateView.setVisibility(View.VISIBLE);
 172             } else if (file.isDown()) {
 173                 localStateView.setImageResource(R.drawable.local_file_indicator);
 174                 localStateView.setVisibility(View.VISIBLE);
 175             } else {
 176                 localStateView.setVisibility(View.INVISIBLE);
 177             }
 178
 179             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 180             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 181             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 182
 183             if (!file.isFolder()) {
 184                 fileSizeV.setVisibility(View.VISIBLE);
 185                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 186                 lastModV.setVisibility(View.VISIBLE);
 187                 lastModV.setText(showRelativeTimestamp(file));
 188                 // this if-else is needed even thoe fav icon is visible by default
 189                 // because android reuses views in listview
 190                 if (!file.keepInSync()) {
 191                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 192                 } else {
 193                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 194                 }
 195
 196                 ListView parentList = (ListView)parent;
 197                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 198                     checkBoxV.setVisibility(View.GONE);
 199                 } else {
 200                     if (parentList.isItemChecked(position)) {
 201                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 202                     } else {
 203                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 204                     }
 205                     checkBoxV.setVisibility(View.VISIBLE);
 206                 }
 207
 208                 // get Thumbnail if file is image
 209                 if (file.isImage() && file.getRemoteId() != null){
 210                      // Thumbnail in Cache?
 211                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 212                             String.valueOf(file.getRemoteId())
 213                     );
 214                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 215                         fileIcon.setImageBitmap(thumbnail);
 216                     } else {
 217                         // generate new Thumbnail
 218                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 219                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 220                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 221                                             fileIcon, mStorageManager, mAccount
 222                                     );
 223                             if (thumbnail == null) {
 224                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 225                             }
 226                             final AsyncDrawable asyncDrawable = new AsyncDrawable(
 227                                     mContext.getResources(),
 228                                     thumbnail,
 229                                     task
 230                             );
 231                             fileIcon.setImageDrawable(asyncDrawable);
 232                             task.execute(file);
 233                         }
 234                     }
 235                 } else {
 236                     fileIcon.setImageResource(
 237                             DisplayUtils.getResourceId(file.getMimetype(), file.getFileName())
 238                     );
 239                 }
 240
 241                 if (checkIfFileIsSharedWithMe(file)) {
 242                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 243                 }
 244             }
 245             else {
 246                   // TODO Re-enable when server supports folder-size calculation
 247 //                if (FileStorageUtils.getDefaultSavePathFor(mAccount.name, file) != null){
 248 //                    fileSizeV.setVisibility(View.VISIBLE);
 249 //                    fileSizeV.setText(getFolderSizeHuman(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file)));
 250 //                } else {
 251                     fileSizeV.setVisibility(View.INVISIBLE);
 252 //                }
 253
 254                 lastModV.setVisibility(View.VISIBLE);
 255                 lastModV.setText(showRelativeTimestamp(file));
 256                 checkBoxV.setVisibility(View.GONE);
 257                 view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 258
 259                 if (checkIfFileIsSharedWithMe(file)) {
 260                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 261                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 262                 } else {
 263                     fileIcon.setImageResource(
 264                             DisplayUtils.getResourceId(file.getMimetype(), file.getFileName())
 265                     );
 266                 }
 267
 268                 // If folder is sharedByLink, icon folder must be changed to
 269                 // folder-public one
 270                 if (file.isShareByLink()) {
 271                     fileIcon.setImageResource(R.drawable.folder_public);
 272                 }
 273             }
 274
 275             if (file.isShareByLink()) {
 276                 sharedIconV.setVisibility(View.VISIBLE);
 277             } else {
 278                 sharedIconV.setVisibility(View.GONE);
 279             }
 280         }
 281
 282         return view;
 283     }
 284
 285     /**
 286      * Local Folder size in human readable format
 287      *
 288      * @param path
 289      *            String
 290      * @return Size in human readable format
 291      */
 292     private String getFolderSizeHuman(String path) {
 293
 294         File dir = new File(path);
 295
 296         if (dir.exists()) {
 297             long bytes = getFolderSize(dir);
 298             return DisplayUtils.bytesToHumanReadable(bytes);
 299         }
 300
 301         return "0 B";
 302     }
 303
 304     /**
 305      * Local Folder size
 306      * @param dir File
 307      * @return Size in bytes
 308      */
 309     private long getFolderSize(File dir) {
 310         if (dir.exists()) {
 311             long result = 0;
 312             File[] fileList = dir.listFiles();
 313             for(int i = 0; i < fileList.length; i++) {
 314                 if(fileList[i].isDirectory()) {
 315                     result += getFolderSize(fileList[i]);
 316                 } else {
 317                     result += fileList[i].length();
 318                 }
 319             }
 320             return result;
 321         }
 322         return 0;
 323     }
 324
 325     @Override
 326     public int getViewTypeCount() {
 327         return 1;
 328     }
 329
 330     @Override
 331     public boolean hasStableIds() {
 332         return true;
 333     }
 334
 335     @Override
 336     public boolean isEmpty() {
 337         return (mFiles == null || mFiles.isEmpty());
 338     }
 339
 340     /**
 341      * Change the adapted directory for a new one
 342      * @param directory                 New file to adapt. Can be NULL, meaning
 343      *                                  "no content to adapt".
 344      * @param updatedStorageManager     Optional updated storage manager; used to replace
 345      *                                  mStorageManager if is different (and not NULL)
 346      */
 347     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 348         mFile = directory;
 349         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 350             mStorageManager = updatedStorageManager;
 351             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 352         }
 353         if (mStorageManager != null) {
 354             mFiles = mStorageManager.getFolderContent(mFile);
 355             if (mJustFolders) {
 356                 mFiles = getFolders(mFiles);
 357             }
 358         } else {
 359             mFiles = null;
 360         }
 361
 362         sortDirectory();
 363     }
 364
 365     /**
 366      * Sorts all filenames, regarding last user decision
 367      */
 368     private void sortDirectory(){
 369         switch (mSortOrder){
 370         case 0:
 371             sortByName(mSortAscending);
 372             break;
 373         case 1:
 374             sortByDate(mSortAscending);
 375             break;
 376         case 2:
 377             sortBySize(mSortAscending);
 378             break;
 379         }
 380
 381         notifyDataSetChanged();
 382     }
 383
 384
 385     /**
 386      * Filter for getting only the folders
 387      * @param files
 388      * @return Vector<OCFile>
 389      */
 390     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 391         Vector<OCFile> ret = new Vector<OCFile>();
 392         OCFile current = null;
 393         for (int i=0; i<files.size(); i++) {
 394             current = files.get(i);
 395             if (current.isFolder()) {
 396                 ret.add(current);
 397             }
 398         }
 399         return ret;
 400     }
 401
 402
 403     /**
 404      * Check if parent folder does not include 'S' permission and if file/folder
 405      * is shared with me
 406      *
 407      * @param file: OCFile
 408      * @return boolean: True if it is shared with me and false if it is not
 409      */
 410     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 411         return (mFile.getPermissions() != null
 412                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 413                 && file.getPermissions() != null
 414                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 415     }
 416
 417     /**
 418      * Sorts list by Date
 419      * @param sortAscending true: ascending, false: descending
 420      */
 421     private void sortByDate(boolean sortAscending){
 422         final Integer val;
 423         if (sortAscending){
 424             val = 1;
 425         } else {
 426             val = -1;
 427         }
 428
 429         Collections.sort(mFiles, new Comparator<OCFile>() {
 430             public int compare(OCFile o1, OCFile o2) {
 431                 if (o1.isFolder() && o2.isFolder()) {
 432                     Long obj1 = o1.getModificationTimestamp();
 433                     return val * obj1.compareTo(o2.getModificationTimestamp());
 434                 }
 435                 else if (o1.isFolder()) {
 436                     return -1;
 437                 } else if (o2.isFolder()) {
 438                     return 1;
 439                 } else if (o1.getModificationTimestamp() == 0 || o2.getModificationTimestamp() == 0){
 440                     return 0;
 441                 } else {
 442                     Long obj1 = o1.getModificationTimestamp();
 443                     return val * obj1.compareTo(o2.getModificationTimestamp());
 444                 }
 445             }
 446         });
 447     }
 448
 449     /**
 450      * Sorts list by Size
 451      * @param sortAscending true: ascending, false: descending
 452      */
 453     private void sortBySize(boolean sortAscending){
 454         final Integer val;
 455         if (sortAscending){
 456             val = 1;
 457         } else {
 458             val = -1;
 459         }
 460
 461         Collections.sort(mFiles, new Comparator<OCFile>() {
 462             public int compare(OCFile o1, OCFile o2) {
 463                 if (o1.isFolder() && o2.isFolder()) {
 464                     Long obj1 = getFolderSize(new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, o1)));
 465                     return val * obj1.compareTo(getFolderSize(new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, o2))));
 466                 }
 467                 else if (o1.isFolder()) {
 468                     return -1;
 469                 } else if (o2.isFolder()) {
 470                     return 1;
 471                 } else if (o1.getFileLength() == 0 || o2.getFileLength() == 0){
 472                     return 0;
 473                 } else {
 474                     Long obj1 = o1.getFileLength();
 475                     return val * obj1.compareTo(o2.getFileLength());
 476                 }
 477             }
 478         });
 479     }
 480
 481     /**
 482      * Sorts list by Name
 483      * @param sortAscending true: ascending, false: descending
 484      */
 485     private void sortByName(boolean sortAscending){
 486         final Integer val;
 487         if (sortAscending){
 488             val = 1;
 489         } else {
 490             val = -1;
 491         }
 492
 493         Collections.sort(mFiles, new Comparator<OCFile>() {
 494             public int compare(OCFile o1, OCFile o2) {
 495                 if (o1.isFolder() && o2.isFolder()) {
 496                     return val * o1.getRemotePath().toLowerCase().compareTo(o2.getRemotePath().toLowerCase());
 497                 } else if (o1.isFolder()) {
 498                     return -1;
 499                 } else if (o2.isFolder()) {
 500                     return 1;
 501                 }
 502                 return val * new AlphanumComparator().compare(o1, o2);
 503             }
 504         });
 505     }
 506
 507     public void setSortOrder(Integer order, boolean ascending) {
 508         SharedPreferences.Editor editor = mAppPreferences.edit();
 509         editor.putInt("sortOrder", order);
 510         editor.putBoolean("sortAscending", ascending);
 511         editor.commit();
 512
 513         mSortOrder = order;
 514         mSortAscending = ascending;
 515
 516         sortDirectory();
 517     }
 518
 519     private CharSequence showRelativeTimestamp(OCFile file){
 520         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 521                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 522     }
 523 }