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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author Tobias Kaminsky
   6  *   @author David A. Velasco
   7  *   Copyright (C) 2011  Bartek Przybylski
   8  *   Copyright (C) 2015 ownCloud Inc.
   9  *
  10  *   This program is free software: you can redistribute it and/or modify
  11  *   it under the terms of the GNU General Public License version 2,
  12  *   as published by the Free Software Foundation.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  */
  23 package com.owncloud.android.ui.adapter;
  24
  25
  26 import java.io.File;
  27 import java.util.Vector;
  28
  29 import android.accounts.Account;
  30 import android.content.Context;
  31 import android.content.SharedPreferences;
  32 import android.graphics.Bitmap;
  33 import android.os.Build;
  34 import android.preference.PreferenceManager;
  35 import android.text.format.DateUtils;
  36 import android.view.LayoutInflater;
  37 import android.view.View;
  38 import android.view.ViewGroup;
  39 import android.widget.AbsListView;
  40 import android.widget.BaseAdapter;
  41 import android.widget.ImageView;
  42 import android.widget.LinearLayout;
  43 import android.widget.ListAdapter;
  44 import android.widget.TextView;
  45
  46 import com.owncloud.android.R;
  47 import com.owncloud.android.authentication.AccountUtils;
  48 import com.owncloud.android.datamodel.FileDataStorageManager;
  49 import com.owncloud.android.datamodel.OCFile;
  50 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  51 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  52 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  53 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  54 import com.owncloud.android.ui.activity.ComponentsGetter;
  55 import com.owncloud.android.utils.DisplayUtils;
  56 import com.owncloud.android.utils.FileStorageUtils;
  57
  58
  59 /**
  60  * This Adapter populates a ListView with all files and folders in an ownCloud
  61  * instance.
  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 Vector<OCFile> mFilesOrig = new Vector<OCFile>();
  70     private boolean mJustFolders;
  71
  72     private FileDataStorageManager mStorageManager;
  73     private Account mAccount;
  74     private ComponentsGetter mTransferServiceGetter;
  75     private boolean mGridMode;
  76
  77     private enum ViewType {LIST_ITEM, GRID_IMAGE, GRID_ITEM };
  78
  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         mTransferServiceGetter = transferServiceGetter;
  91
  92         mAppPreferences = PreferenceManager
  93                 .getDefaultSharedPreferences(mContext);
  94
  95         // Read sorting order, default to sort by name ascending
  96         FileStorageUtils.mSortOrder = mAppPreferences.getInt("sortOrder", 0);
  97         FileStorageUtils.mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
  98
  99         // initialise thumbnails cache on background thread
 100         new ThumbnailsCacheManager.InitDiskCacheTask().execute();
 101
 102         mGridMode = false;
 103     }
 104
 105     @Override
 106     public boolean areAllItemsEnabled() {
 107         return true;
 108     }
 109
 110     @Override
 111     public boolean isEnabled(int position) {
 112         return true;
 113     }
 114
 115     @Override
 116     public int getCount() {
 117         return mFiles != null ? mFiles.size() : 0;
 118     }
 119
 120     @Override
 121     public Object getItem(int position) {
 122         if (mFiles == null || mFiles.size() <= position)
 123             return null;
 124         return mFiles.get(position);
 125     }
 126
 127     @Override
 128     public long getItemId(int position) {
 129         if (mFiles == null || mFiles.size() <= position)
 130             return 0;
 131         return mFiles.get(position).getFileId();
 132     }
 133
 134     @Override
 135     public int getItemViewType(int position) {
 136         return 0;
 137     }
 138
 139     @Override
 140     public View getView(int position, View convertView, ViewGroup parent) {
 141
 142         View view = convertView;
 143         OCFile file = null;
 144         LayoutInflater inflator = (LayoutInflater) mContext
 145                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 146
 147         if (mFiles != null && mFiles.size() > position) {
 148             file = mFiles.get(position);
 149         }
 150
 151         // Find out which layout should be displayed
 152         ViewType viewType;
 153         if (!mGridMode){
 154             viewType = ViewType.LIST_ITEM;
 155         } else if (file.isImage()){
 156             viewType = ViewType.GRID_IMAGE;
 157         } else {
 158             viewType = ViewType.GRID_ITEM;
 159         }
 160
 161         // create view only if differs, otherwise reuse
 162         if (convertView == null || (convertView != null && convertView.getTag() != viewType)) {
 163             switch (viewType) {
 164                 case GRID_IMAGE:
 165                     view = inflator.inflate(R.layout.grid_image, null);
 166                     view.setTag(ViewType.GRID_IMAGE);
 167                     break;
 168                 case GRID_ITEM:
 169                     view = inflator.inflate(R.layout.grid_item, null);
 170                     view.setTag(ViewType.GRID_ITEM);
 171                     break;
 172                 case LIST_ITEM:
 173                     view = inflator.inflate(R.layout.list_item, null);
 174                     view.setTag(ViewType.LIST_ITEM);
 175                     break;
 176             }
 177         }
 178
 179         view.invalidate();
 180
 181         if (file != null){
 182
 183             ImageView fileIcon = (ImageView) view.findViewById(R.id.thumbnail);
 184
 185             fileIcon.setTag(file.getFileId());
 186             TextView fileName;
 187             String name = file.getFileName();
 188
 189             LinearLayout linearLayout = (LinearLayout) view.findViewById(R.id.ListItemLayout);
 190             linearLayout.setContentDescription("LinearLayout-" + name);
 191
 192             switch (viewType){
 193                 case LIST_ITEM:
 194                     TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 195                     TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 196                     ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 197
 198                     lastModV.setVisibility(View.VISIBLE);
 199                     lastModV.setText(showRelativeTimestamp(file));
 200
 201                     checkBoxV.setVisibility(View.GONE);
 202
 203                     fileSizeV.setVisibility(View.VISIBLE);
 204                     fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 205
 206                     if (!file.isFolder()) {
 207                         AbsListView parentList = (AbsListView)parent;
 208                         if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
 209                             if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 210                                 checkBoxV.setVisibility(View.GONE);
 211                             } else {
 212                                 if (parentList.isItemChecked(position)) {
 213                                     checkBoxV.setImageResource(
 214                                             android.R.drawable.checkbox_on_background);
 215                                 } else {
 216                                     checkBoxV.setImageResource(
 217                                             android.R.drawable.checkbox_off_background);
 218                                 }
 219                                 checkBoxV.setVisibility(View.VISIBLE);
 220                             }
 221                         }
 222
 223                     } else { //Folder
 224                         fileSizeV.setVisibility(View.INVISIBLE);
 225                     }
 226
 227                 case GRID_ITEM:
 228                     // filename
 229                     fileName = (TextView) view.findViewById(R.id.Filename);
 230                     name = file.getFileName();
 231                     fileName.setText(name);
 232
 233                 case GRID_IMAGE:
 234                     // sharedIcon
 235                     ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 236                     //if (file.isShareByLink() && ((mGridMode && !file.isFolder()) || !mGridMode)) {
 237                     if (file.isShareByLink()) {
 238                         sharedIconV.setVisibility(View.VISIBLE);
 239                         sharedIconV.bringToFront();
 240                     } else {
 241                         sharedIconV.setVisibility(View.GONE);
 242                     }
 243
 244
 245                     // local state
 246                     ImageView localStateView = (ImageView) view.findViewById(R.id.localFileIndicator);
 247                     localStateView.bringToFront();
 248                     FileDownloaderBinder downloaderBinder =
 249                             mTransferServiceGetter.getFileDownloaderBinder();
 250                     FileUploaderBinder uploaderBinder =
 251                             mTransferServiceGetter.getFileUploaderBinder();
 252                     boolean downloading = (downloaderBinder != null &&
 253                             downloaderBinder.isDownloading(mAccount, file));
 254                     OperationsServiceBinder opsBinder =
 255                             mTransferServiceGetter.getOperationsServiceBinder();
 256                     downloading |= (opsBinder != null &&
 257                             opsBinder.isSynchronizing(mAccount, file.getRemotePath()));
 258                     if (downloading) {
 259                         localStateView.setImageResource(R.drawable.downloading_file_indicator);
 260                         localStateView.setVisibility(View.VISIBLE);
 261                     } else if (uploaderBinder != null &&
 262                             uploaderBinder.isUploading(mAccount, file)) {
 263                         localStateView.setImageResource(R.drawable.uploading_file_indicator);
 264                         localStateView.setVisibility(View.VISIBLE);
 265                     } else if (file.isDown()) {
 266                         localStateView.setImageResource(R.drawable.local_file_indicator);
 267                         localStateView.setVisibility(View.VISIBLE);
 268                     } else {
 269                         localStateView.setVisibility(View.INVISIBLE);
 270                     }
 271
 272                     // share with me icon
 273                     ImageView sharedWithMeIconV = (ImageView)
 274                             view.findViewById(R.id.sharedWithMeIcon);
 275                     sharedWithMeIconV.bringToFront();
 276                     if (checkIfFileIsSharedWithMe(file) &&
 277                             ((mGridMode && !file.isFolder()) || !mGridMode)) {
 278                         sharedWithMeIconV.setVisibility(View.VISIBLE);
 279                     } else {
 280                         sharedWithMeIconV.setVisibility(View.GONE);
 281                     }
 282
 283
 284
 285                     break;
 286             }
 287
 288             // For all Views
 289
 290             // this if-else is needed even though favorite icon is visible by default
 291             // because android reuses views in listview
 292             if (!file.keepInSync()) {
 293                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 294             } else {
 295                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 296             }
 297
 298             // No Folder
 299             if (!file.isFolder()) {
 300                 if (file.isImage() && file.getRemoteId() != null){
 301                     // Thumbnail in Cache?
 302                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 303                             String.valueOf(file.getRemoteId())
 304                             );
 305                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 306                         fileIcon.setImageBitmap(thumbnail);
 307                     } else {
 308                         // generate new Thumbnail
 309                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 310                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 311                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 312                                             fileIcon, mStorageManager, mAccount
 313                                             );
 314                             if (thumbnail == null) {
 315                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 316                             }
 317                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 318                                     new ThumbnailsCacheManager.AsyncDrawable(
 319                                     mContext.getResources(),
 320                                     thumbnail,
 321                                     task
 322                                     );
 323                             fileIcon.setImageDrawable(asyncDrawable);
 324                             task.execute(file);
 325                         }
 326                     }
 327                 } else {
 328                     fileIcon.setImageResource(DisplayUtils.getFileTypeIconId(file.getMimetype(),
 329                             file.getFileName()));
 330                 }
 331
 332             } else {
 333                 // Folder
 334                 if (checkIfFileIsSharedWithMe(file)) {
 335                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 336                 } else if (file.isShareByLink()) {
 337                     // If folder is sharedByLink, icon folder must be changed to
 338                     // folder-public one
 339                     fileIcon.setImageResource(R.drawable.folder_public);
 340                 } else {
 341                     fileIcon.setImageResource(
 342                             DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName())
 343                     );
 344                 }
 345             }
 346         }
 347
 348         return view;
 349     }
 350
 351     /**
 352      * Local Folder size in human readable format
 353      *
 354      * @param path
 355      *            String
 356      * @return Size in human readable format
 357      */
 358     private String getFolderSizeHuman(String path) {
 359
 360         File dir = new File(path);
 361
 362         if (dir.exists()) {
 363             long bytes = FileStorageUtils.getFolderSize(dir);
 364             return DisplayUtils.bytesToHumanReadable(bytes);
 365         }
 366
 367         return "0 B";
 368     }
 369
 370     /**
 371      * Local Folder size
 372      * @param dir File
 373      * @return Size in bytes
 374      */
 375     private long getFolderSize(File dir) {
 376         if (dir.exists()) {
 377             long result = 0;
 378             File[] fileList = dir.listFiles();
 379             for(int i = 0; i < fileList.length; i++) {
 380                 if(fileList[i].isDirectory()) {
 381                     result += getFolderSize(fileList[i]);
 382                 } else {
 383                     result += fileList[i].length();
 384                 }
 385             }
 386             return result;
 387         }
 388         return 0;
 389     }
 390
 391     @Override
 392     public int getViewTypeCount() {
 393         return 1;
 394     }
 395
 396     @Override
 397     public boolean hasStableIds() {
 398         return true;
 399     }
 400
 401     @Override
 402     public boolean isEmpty() {
 403         return (mFiles == null || mFiles.isEmpty());
 404     }
 405
 406     /**
 407      * Change the adapted directory for a new one
 408      * @param directory                 New file to adapt. Can be NULL, meaning
 409      *                                  "no content to adapt".
 410      * @param updatedStorageManager     Optional updated storage manager; used to replace
 411      *                                  mStorageManager if is different (and not NULL)
 412      */
 413     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager
 414             /*, boolean onlyOnDevice*/) {
 415         mFile = directory;
 416         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 417             mStorageManager = updatedStorageManager;
 418             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 419         }
 420         if (mStorageManager != null) {
 421             // TODO Enable when "On Device" is recovered ?
 422             mFiles = mStorageManager.getFolderContent(mFile/*, onlyOnDevice*/);
 423             mFilesOrig.clear();
 424             mFilesOrig.addAll(mFiles);
 425
 426             if (mJustFolders) {
 427                 mFiles = getFolders(mFiles);
 428             }
 429         } else {
 430             mFiles = null;
 431         }
 432
 433         mFiles = FileStorageUtils.sortFolder(mFiles);
 434         notifyDataSetChanged();
 435     }
 436
 437
 438     /**
 439      * Filter for getting only the folders
 440      * @param files
 441      * @return Vector<OCFile>
 442      */
 443     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 444         Vector<OCFile> ret = new Vector<OCFile>();
 445         OCFile current = null;
 446         for (int i=0; i<files.size(); i++) {
 447             current = files.get(i);
 448             if (current.isFolder()) {
 449                 ret.add(current);
 450             }
 451         }
 452         return ret;
 453     }
 454
 455
 456     /**
 457      * Check if parent folder does not include 'S' permission and if file/folder
 458      * is shared with me
 459      *
 460      * @param file: OCFile
 461      * @return boolean: True if it is shared with me and false if it is not
 462      */
 463     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 464         return (mFile.getPermissions() != null
 465                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 466                 && file.getPermissions() != null
 467                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 468     }
 469
 470     public void setSortOrder(Integer order, boolean ascending) {
 471         SharedPreferences.Editor editor = mAppPreferences.edit();
 472         editor.putInt("sortOrder", order);
 473         editor.putBoolean("sortAscending", ascending);
 474         editor.commit();
 475
 476         FileStorageUtils.mSortOrder = order;
 477         FileStorageUtils.mSortAscending = ascending;
 478
 479
 480         mFiles = FileStorageUtils.sortFolder(mFiles);
 481         notifyDataSetChanged();
 482
 483     }
 484
 485     private CharSequence showRelativeTimestamp(OCFile file){
 486         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 487                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 488     }
 489
 490     public void setGridMode(boolean gridMode) {
 491         mGridMode = gridMode;
 492     }
 493 }