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.view.LayoutInflater;
  33 import android.view.View;
  34 import android.view.ViewGroup;
  35 import android.widget.BaseAdapter;
  36 import android.widget.ImageView;
  37 import android.widget.ListAdapter;
  38 import android.widget.ListView;
  39 import android.widget.TextView;
  40
  41 import com.owncloud.android.R;
  42 import com.owncloud.android.authentication.AccountUtils;
  43 import com.owncloud.android.datamodel.FileDataStorageManager;
  44 import com.owncloud.android.datamodel.OCFile;
  45 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  46 import com.owncloud.android.datamodel.ThumbnailsCacheManager.AsyncDrawable;
  47 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  48 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  49 import com.owncloud.android.ui.activity.ComponentsGetter;
  50 import com.owncloud.android.utils.DisplayUtils;
  51 import com.owncloud.android.utils.FileStorageUtils;
  52
  53
  54 /**
  55  * This Adapter populates a ListView with all files and folders in an ownCloud
  56  * instance.
  57  *
  58  * @author Bartek Przybylski
  59  * @author Tobias Kaminsky
  60  * @author David A. Velasco
  61  */
  62 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  63     private final static String PERMISSION_SHARED_WITH_ME = "S";
  64
  65     private Context mContext;
  66     private OCFile mFile = null;
  67     private Vector<OCFile> mFiles = null;
  68     private boolean mJustFolders;
  69
  70     private FileDataStorageManager mStorageManager;
  71     private Account mAccount;
  72     private ComponentsGetter mTransferServiceGetter;
  73     private Integer mSortOrder;
  74     public static final Integer SORT_NAME = 0;
  75     public static final Integer SORT_DATE = 1;
  76     public static final Integer SORT_SIZE = 2;
  77     private Boolean mSortAscending;
  78     private SharedPreferences mAppPreferences;
  79
  80     public FileListListAdapter(
  81             boolean justFolders,
  82             Context context,
  83             ComponentsGetter transferServiceGetter
  84             ) {
  85
  86         mJustFolders = justFolders;
  87         mContext = context;
  88         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  89         mTransferServiceGetter = transferServiceGetter;
  90
  91         mAppPreferences = PreferenceManager
  92                 .getDefaultSharedPreferences(mContext);
  93
  94         // Read sorting order, default to sort by name ascending
  95         mSortOrder = mAppPreferences
  96                 .getInt("sortOrder", 0);
  97         mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
  98
  99         // initialise thumbnails cache on background thread
 100         new ThumbnailsCacheManager.InitDiskCacheTask().execute();
 101     }
 102
 103     @Override
 104     public boolean areAllItemsEnabled() {
 105         return true;
 106     }
 107
 108     @Override
 109     public boolean isEnabled(int position) {
 110         return true;
 111     }
 112
 113     @Override
 114     public int getCount() {
 115         return mFiles != null ? mFiles.size() : 0;
 116     }
 117
 118     @Override
 119     public Object getItem(int position) {
 120         if (mFiles == null || mFiles.size() <= position)
 121             return null;
 122         return mFiles.get(position);
 123     }
 124
 125     @Override
 126     public long getItemId(int position) {
 127         if (mFiles == null || mFiles.size() <= position)
 128             return 0;
 129         return mFiles.get(position).getFileId();
 130     }
 131
 132     @Override
 133     public int getItemViewType(int position) {
 134         return 0;
 135     }
 136
 137     @Override
 138     public View getView(int position, View convertView, ViewGroup parent) {
 139         View view = convertView;
 140         if (view == null) {
 141             LayoutInflater inflator = (LayoutInflater) mContext
 142                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 143             view = inflator.inflate(R.layout.list_item, null);
 144         }
 145
 146         if (mFiles != null && mFiles.size() > position) {
 147             OCFile file = mFiles.get(position);
 148             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 149             String name = file.getFileName();
 150
 151             fileName.setText(name);
 152             ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 153             fileIcon.setTag(file.getFileId());
 154             ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 155             ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 156             sharedWithMeIconV.setVisibility(View.GONE);
 157
 158             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 159             localStateView.bringToFront();
 160             FileDownloaderBinder downloaderBinder =
 161                     mTransferServiceGetter.getFileDownloaderBinder();
 162             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 163             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 164                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 165                 localStateView.setVisibility(View.VISIBLE);
 166             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 167                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 168                 localStateView.setVisibility(View.VISIBLE);
 169             } else if (file.isDown()) {
 170                 localStateView.setImageResource(R.drawable.local_file_indicator);
 171                 localStateView.setVisibility(View.VISIBLE);
 172             } else {
 173                 localStateView.setVisibility(View.INVISIBLE);
 174             }
 175
 176             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 177             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 178             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 179
 180             if (!file.isFolder()) {
 181                 fileSizeV.setVisibility(View.VISIBLE);
 182                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 183                 lastModV.setVisibility(View.VISIBLE);
 184                 lastModV.setText(
 185                         DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp())
 186                 );
 187                 // this if-else is needed even thoe fav icon is visible by default
 188                 // because android reuses views in listview
 189                 if (!file.keepInSync()) {
 190                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 191                 } else {
 192                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 193                 }
 194
 195                 ListView parentList = (ListView)parent;
 196                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 197                     checkBoxV.setVisibility(View.GONE);
 198                 } else {
 199                     if (parentList.isItemChecked(position)) {
 200                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 201                     } else {
 202                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 203                     }
 204                     checkBoxV.setVisibility(View.VISIBLE);
 205                 }
 206
 207                 // get Thumbnail if file is image
 208                 if (file.isImage() && file.getRemoteId() != null){
 209                      // Thumbnail in Cache?
 210                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 211                             String.valueOf(file.getRemoteId())
 212                     );
 213                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 214                         fileIcon.setImageBitmap(thumbnail);
 215                     } else {
 216                         // generate new Thumbnail
 217                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 218                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 219                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 220                                             fileIcon, mStorageManager
 221                                     );
 222                             if (thumbnail == null) {
 223                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 224                             }
 225                             final AsyncDrawable asyncDrawable = new AsyncDrawable(
 226                                     mContext.getResources(),
 227                                     thumbnail,
 228                                     task
 229                             );
 230                             fileIcon.setImageDrawable(asyncDrawable);
 231                             task.execute(file);
 232                         }
 233                     }
 234                 } else {
 235                     fileIcon.setImageResource(
 236                             DisplayUtils.getResourceId(file.getMimetype(), file.getFileName())
 237                     );
 238                 }
 239
 240                 if (checkIfFileIsSharedWithMe(file)) {
 241                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 242                 }
 243             }
 244             else {
 245 //                if (FileStorageUtils.getDefaultSavePathFor(mAccount.name, file) != null){
 246 //                    fileSizeV.setVisibility(View.VISIBLE);
 247 //                    fileSizeV.setText(getFolderSizeHuman(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file)));
 248 //                } else {
 249                     fileSizeV.setVisibility(View.INVISIBLE);
 250 //                }
 251
 252                 lastModV.setVisibility(View.VISIBLE);
 253                 lastModV.setText(
 254                         DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp())
 255                 );
 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                     return val * Long.compare(o1.getModificationTimestamp(), o2.getModificationTimestamp());
 433                 }
 434                 else if (o1.isFolder()) {
 435                     return -1;
 436                 } else if (o2.isFolder()) {
 437                     return 1;
 438                 } else if (o1.getModificationTimestamp() == 0 || o2.getModificationTimestamp() == 0){
 439                     return 0;
 440                 } else {
 441                     return val * Long.compare(o1.getModificationTimestamp(), o2.getModificationTimestamp());
 442                 }
 443             }
 444         });
 445     }
 446
 447     /**
 448      * Sorts list by Size
 449      * @param sortAscending true: ascending, false: descending
 450      */
 451     private void sortBySize(boolean sortAscending){
 452         final Integer val;
 453         if (sortAscending){
 454             val = 1;
 455         } else {
 456             val = -1;
 457         }
 458
 459         Collections.sort(mFiles, new Comparator<OCFile>() {
 460             public int compare(OCFile o1, OCFile o2) {
 461                 if (o1.isFolder() && o2.isFolder()) {
 462                     return val * Long.compare(getFolderSize(new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, o1))),
 463                                               getFolderSize(new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, o2))));
 464                 }
 465                 else if (o1.isFolder()) {
 466                     return -1;
 467                 } else if (o2.isFolder()) {
 468                     return 1;
 469                 } else if (o1.getFileLength() == 0 || o2.getFileLength() == 0){
 470                     return 0;
 471                 } else {
 472                     return val * Long.compare(o1.getFileLength(), o2.getFileLength());
 473                 }
 474             }
 475         });
 476     }
 477
 478     /**
 479      * Sorts list by Name
 480      * @param sortAscending true: ascending, false: descending
 481      */
 482     private void sortByName(boolean sortAscending){
 483         final Integer val;
 484         if (sortAscending){
 485             val = 1;
 486         } else {
 487             val = -1;
 488         }
 489
 490         Collections.sort(mFiles, new Comparator<OCFile>() {
 491             public int compare(OCFile o1, OCFile o2) {
 492                 if (o1.isFolder() && o2.isFolder()) {
 493                     return val * o1.getRemotePath().toLowerCase().compareTo(o2.getRemotePath().toLowerCase());
 494                 } else if (o1.isFolder()) {
 495                     return -1;
 496                 } else if (o2.isFolder()) {
 497                     return 1;
 498                 }
 499                 return val * new AlphanumComparator().compare(o1, o2);
 500             }
 501         });
 502     }
 503
 504     public void setSortOrder(Integer order, boolean ascending) {
 505         SharedPreferences.Editor editor = mAppPreferences.edit();
 506         editor.putInt("sortOrder", order);
 507         editor.putBoolean("sortAscending", ascending);
 508         editor.commit();
 509
 510         mSortOrder = order;
 511         mSortAscending = ascending;
 512
 513         sortDirectory();
 514     }
 515 }