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()) {
 237                         sharedIconV.setVisibility(View.VISIBLE);
 238                         sharedIconV.bringToFront();
 239                     } else {
 240                         sharedIconV.setVisibility(View.GONE);
 241                     }
 242
 243
 244                     // local state
 245                     ImageView localStateView = (ImageView) view.findViewById(R.id.localFileIndicator);
 246                     localStateView.bringToFront();
 247                     FileDownloaderBinder downloaderBinder =
 248                             mTransferServiceGetter.getFileDownloaderBinder();
 249                     FileUploaderBinder uploaderBinder =
 250                             mTransferServiceGetter.getFileUploaderBinder();
 251                     boolean downloading = (downloaderBinder != null &&
 252                             downloaderBinder.isDownloading(mAccount, file));
 253                     OperationsServiceBinder opsBinder =
 254                             mTransferServiceGetter.getOperationsServiceBinder();
 255                     downloading |= (opsBinder != null &&
 256                             opsBinder.isSynchronizing(mAccount, file.getRemotePath()));
 257                     if (downloading) {
 258                         localStateView.setImageResource(R.drawable.downloading_file_indicator);
 259                         localStateView.setVisibility(View.VISIBLE);
 260                     } else if (uploaderBinder != null &&
 261                             uploaderBinder.isUploading(mAccount, file)) {
 262                         localStateView.setImageResource(R.drawable.uploading_file_indicator);
 263                         localStateView.setVisibility(View.VISIBLE);
 264                     } else if (file.isDown()) {
 265                         localStateView.setImageResource(R.drawable.local_file_indicator);
 266                         localStateView.setVisibility(View.VISIBLE);
 267                     } else {
 268                         localStateView.setVisibility(View.INVISIBLE);
 269                     }
 270
 271                     // share with me icon
 272                     ImageView sharedWithMeIconV = (ImageView)
 273                             view.findViewById(R.id.sharedWithMeIcon);
 274                     sharedWithMeIconV.bringToFront();
 275                     if (checkIfFileIsSharedWithMe(file) &&
 276                             (!file.isFolder() || !mGridMode)) {
 277                         sharedWithMeIconV.setVisibility(View.VISIBLE);
 278                     } else {
 279                         sharedWithMeIconV.setVisibility(View.GONE);
 280                     }
 281
 282
 283
 284                     break;
 285             }
 286
 287             // For all Views
 288
 289             // this if-else is needed even though favorite icon is visible by default
 290             // because android reuses views in listview
 291             if (!file.keepInSync()) {
 292                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 293             } else {
 294                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 295             }
 296
 297             // No Folder
 298             if (!file.isFolder()) {
 299                 if (file.isImage() && file.getRemoteId() != null){
 300                     // Thumbnail in Cache?
 301                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 302                             String.valueOf(file.getRemoteId())
 303                             );
 304                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 305                         fileIcon.setImageBitmap(thumbnail);
 306                     } else {
 307                         // generate new Thumbnail
 308                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 309                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 310                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 311                                             fileIcon, mStorageManager, mAccount
 312                                             );
 313                             if (thumbnail == null) {
 314                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 315                             }
 316                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 317                                     new ThumbnailsCacheManager.AsyncDrawable(
 318                                     mContext.getResources(),
 319                                     thumbnail,
 320                                     task
 321                                     );
 322                             fileIcon.setImageDrawable(asyncDrawable);
 323                             task.execute(file);
 324                         }
 325                     }
 326                 } else {
 327                     fileIcon.setImageResource(DisplayUtils.getFileTypeIconId(file.getMimetype(),
 328                             file.getFileName()));
 329                 }
 330
 331             } else {
 332                 // Folder
 333                 if (checkIfFileIsSharedWithMe(file)) {
 334                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 335                 } else if (file.isShareByLink()) {
 336                     // If folder is sharedByLink, icon folder must be changed to
 337                     // folder-public one
 338                     fileIcon.setImageResource(R.drawable.folder_public);
 339                 } else {
 340                     fileIcon.setImageResource(
 341                             DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName())
 342                     );
 343                 }
 344             }
 345         }
 346
 347         return view;
 348     }
 349
 350     /**
 351      * Local Folder size in human readable format
 352      *
 353      * @param path
 354      *            String
 355      * @return Size in human readable format
 356      */
 357     private String getFolderSizeHuman(String path) {
 358
 359         File dir = new File(path);
 360
 361         if (dir.exists()) {
 362             long bytes = FileStorageUtils.getFolderSize(dir);
 363             return DisplayUtils.bytesToHumanReadable(bytes);
 364         }
 365
 366         return "0 B";
 367     }
 368
 369     /**
 370      * Local Folder size
 371      * @param dir File
 372      * @return Size in bytes
 373      */
 374     private long getFolderSize(File dir) {
 375         if (dir.exists()) {
 376             long result = 0;
 377             File[] fileList = dir.listFiles();
 378             for(int i = 0; i < fileList.length; i++) {
 379                 if(fileList[i].isDirectory()) {
 380                     result += getFolderSize(fileList[i]);
 381                 } else {
 382                     result += fileList[i].length();
 383                 }
 384             }
 385             return result;
 386         }
 387         return 0;
 388     }
 389
 390     @Override
 391     public int getViewTypeCount() {
 392         return 1;
 393     }
 394
 395     @Override
 396     public boolean hasStableIds() {
 397         return true;
 398     }
 399
 400     @Override
 401     public boolean isEmpty() {
 402         return (mFiles == null || mFiles.isEmpty());
 403     }
 404
 405     /**
 406      * Change the adapted directory for a new one
 407      * @param directory                 New file to adapt. Can be NULL, meaning
 408      *                                  "no content to adapt".
 409      * @param updatedStorageManager     Optional updated storage manager; used to replace
 410      *                                  mStorageManager if is different (and not NULL)
 411      */
 412     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager
 413             /*, boolean onlyOnDevice*/) {
 414         mFile = directory;
 415         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 416             mStorageManager = updatedStorageManager;
 417             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 418         }
 419         if (mStorageManager != null) {
 420             // TODO Enable when "On Device" is recovered ?
 421             mFiles = mStorageManager.getFolderContent(mFile/*, onlyOnDevice*/);
 422             mFilesOrig.clear();
 423             mFilesOrig.addAll(mFiles);
 424
 425             if (mJustFolders) {
 426                 mFiles = getFolders(mFiles);
 427             }
 428         } else {
 429             mFiles = null;
 430         }
 431
 432         mFiles = FileStorageUtils.sortFolder(mFiles);
 433         notifyDataSetChanged();
 434     }
 435
 436
 437     /**
 438      * Filter for getting only the folders
 439      * @param files
 440      * @return Vector<OCFile>
 441      */
 442     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 443         Vector<OCFile> ret = new Vector<OCFile>();
 444         OCFile current = null;
 445         for (int i=0; i<files.size(); i++) {
 446             current = files.get(i);
 447             if (current.isFolder()) {
 448                 ret.add(current);
 449             }
 450         }
 451         return ret;
 452     }
 453
 454
 455     /**
 456      * Check if parent folder does not include 'S' permission and if file/folder
 457      * is shared with me
 458      *
 459      * @param file: OCFile
 460      * @return boolean: True if it is shared with me and false if it is not
 461      */
 462     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 463         return (mFile.getPermissions() != null
 464                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 465                 && file.getPermissions() != null
 466                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 467     }
 468
 469     public void setSortOrder(Integer order, boolean ascending) {
 470         SharedPreferences.Editor editor = mAppPreferences.edit();
 471         editor.putInt("sortOrder", order);
 472         editor.putBoolean("sortAscending", ascending);
 473         editor.commit();
 474
 475         FileStorageUtils.mSortOrder = order;
 476         FileStorageUtils.mSortAscending = ascending;
 477
 478
 479         mFiles = FileStorageUtils.sortFolder(mFiles);
 480         notifyDataSetChanged();
 481
 482     }
 483
 484     private CharSequence showRelativeTimestamp(OCFile file){
 485         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 486                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 487     }
 488
 489     public void setGridMode(boolean gridMode) {
 490         mGridMode = gridMode;
 491     }
 492 }