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  *   @author masensio
   8  *   Copyright (C) 2011  Bartek Przybylski
   9  *   Copyright (C) 2015 ownCloud Inc.
  10  *
  11  *   This program is free software: you can redistribute it and/or modify
  12  *   it under the terms of the GNU General Public License version 2,
  13  *   as published by the Free Software Foundation.
  14  *
  15  *   This program is distributed in the hope that it will be useful,
  16  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *   GNU General Public License for more details.
  19  *
  20  *   You should have received a copy of the GNU General Public License
  21  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22  *
  23  */
  24 package com.owncloud.android.ui.adapter;
  25
  26
  27 import java.io.File;
  28 import java.util.Vector;
  29
  30 import android.accounts.Account;
  31 import android.content.Context;
  32 import android.content.SharedPreferences;
  33 import android.graphics.Bitmap;
  34 import android.os.Build;
  35 import android.preference.PreferenceManager;
  36 import android.text.format.DateUtils;
  37 import android.view.LayoutInflater;
  38 import android.view.View;
  39 import android.view.ViewGroup;
  40 import android.widget.AbsListView;
  41 import android.widget.BaseAdapter;
  42 import android.widget.ImageView;
  43 import android.widget.LinearLayout;
  44 import android.widget.ListAdapter;
  45 import android.widget.TextView;
  46
  47 import com.owncloud.android.R;
  48 import com.owncloud.android.authentication.AccountUtils;
  49 import com.owncloud.android.datamodel.FileDataStorageManager;
  50 import com.owncloud.android.datamodel.OCFile;
  51 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  52 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  53 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  54 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  55 import com.owncloud.android.ui.activity.ComponentsGetter;
  56 import com.owncloud.android.utils.DisplayUtils;
  57 import com.owncloud.android.utils.FileStorageUtils;
  58 import com.owncloud.android.utils.MimetypeIconUtil;
  59
  60
  61 /**
  62  * This Adapter populates a ListView with all files and folders in an ownCloud
  63  * instance.
  64  */
  65 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  66     private final static String PERMISSION_SHARED_WITH_ME = "S";
  67
  68     private Context mContext;
  69     private OCFile mFile = null;
  70     private Vector<OCFile> mFiles = null;
  71     private Vector<OCFile> mFilesOrig = new Vector<OCFile>();
  72     private boolean mJustFolders;
  73
  74     private FileDataStorageManager mStorageManager;
  75     private Account mAccount;
  76     private ComponentsGetter mTransferServiceGetter;
  77     private boolean mGridMode;
  78
  79     private enum ViewType {LIST_ITEM, GRID_IMAGE, GRID_ITEM };
  80
  81     private SharedPreferences mAppPreferences;
  82
  83     public FileListListAdapter(
  84             boolean justFolders,
  85             Context context,
  86             ComponentsGetter transferServiceGetter
  87             ) {
  88
  89         mJustFolders = justFolders;
  90         mContext = context;
  91         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  92         mTransferServiceGetter = transferServiceGetter;
  93
  94         mAppPreferences = PreferenceManager
  95                 .getDefaultSharedPreferences(mContext);
  96
  97         // Read sorting order, default to sort by name ascending
  98         FileStorageUtils.mSortOrder = mAppPreferences.getInt("sortOrder", 0);
  99         FileStorageUtils.mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
 100
 101         // initialise thumbnails cache on background thread
 102         new ThumbnailsCacheManager.InitDiskCacheTask().execute();
 103
 104         mGridMode = false;
 105     }
 106
 107     @Override
 108     public boolean areAllItemsEnabled() {
 109         return true;
 110     }
 111
 112     @Override
 113     public boolean isEnabled(int position) {
 114         return true;
 115     }
 116
 117     @Override
 118     public int getCount() {
 119         return mFiles != null ? mFiles.size() : 0;
 120     }
 121
 122     @Override
 123     public Object getItem(int position) {
 124         if (mFiles == null || mFiles.size() <= position)
 125             return null;
 126         return mFiles.get(position);
 127     }
 128
 129     @Override
 130     public long getItemId(int position) {
 131         if (mFiles == null || mFiles.size() <= position)
 132             return 0;
 133         return mFiles.get(position).getFileId();
 134     }
 135
 136     @Override
 137     public int getItemViewType(int position) {
 138         return 0;
 139     }
 140
 141     @Override
 142     public View getView(int position, View convertView, ViewGroup parent) {
 143
 144         View view = convertView;
 145         OCFile file = null;
 146         LayoutInflater inflator = (LayoutInflater) mContext
 147                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 148
 149         if (mFiles != null && mFiles.size() > position) {
 150             file = mFiles.get(position);
 151         }
 152
 153         // Find out which layout should be displayed
 154         ViewType viewType;
 155         if (!mGridMode){
 156             viewType = ViewType.LIST_ITEM;
 157         } else if (file.isImage()){
 158             viewType = ViewType.GRID_IMAGE;
 159         } else {
 160             viewType = ViewType.GRID_ITEM;
 161         }
 162
 163         // create view only if differs, otherwise reuse
 164         if (convertView == null || (convertView != null && convertView.getTag() != viewType)) {
 165             switch (viewType) {
 166                 case GRID_IMAGE:
 167                     view = inflator.inflate(R.layout.grid_image, null);
 168                     view.setTag(ViewType.GRID_IMAGE);
 169                     break;
 170                 case GRID_ITEM:
 171                     view = inflator.inflate(R.layout.grid_item, null);
 172                     view.setTag(ViewType.GRID_ITEM);
 173                     break;
 174                 case LIST_ITEM:
 175                     view = inflator.inflate(R.layout.list_item, null);
 176                     view.setTag(ViewType.LIST_ITEM);
 177                     break;
 178             }
 179         }
 180
 181         view.invalidate();
 182
 183         if (file != null){
 184
 185             ImageView fileIcon = (ImageView) view.findViewById(R.id.thumbnail);
 186
 187             fileIcon.setTag(file.getFileId());
 188             TextView fileName;
 189             String name = file.getFileName();
 190
 191             LinearLayout linearLayout = (LinearLayout) view.findViewById(R.id.ListItemLayout);
 192             linearLayout.setContentDescription("LinearLayout-" + name);
 193
 194             switch (viewType){
 195                 case LIST_ITEM:
 196                     TextView fileSizeV = (TextView) view.findViewById(R.id.last_size);
 197                     TextView fileSizeSeparatorV = (TextView) view.findViewById(R.id.file_separator);
 198                     TextView lastModV = (TextView) view.findViewById(R.id.file_mod);
 199                     ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 200
 201                     lastModV.setVisibility(View.VISIBLE);
 202                     lastModV.setText(showRelativeTimestamp(file));
 203
 204                     checkBoxV.setVisibility(View.GONE);
 205
 206                     fileSizeSeparatorV.setVisibility(View.VISIBLE);
 207                     fileSizeV.setVisibility(View.VISIBLE);
 208                     fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 209
 210                     if (!file.isFolder()) {
 211                         AbsListView parentList = (AbsListView)parent;
 212                         if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
 213                             if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 214                                 checkBoxV.setVisibility(View.GONE);
 215                             } else {
 216                                 if (parentList.isItemChecked(position)) {
 217                                     checkBoxV.setImageResource(
 218                                             R.drawable.ic_checkbox_marked);
 219                                 } else {
 220                                     checkBoxV.setImageResource(
 221                                             R.drawable.ic_checkbox_blank_outline);
 222                                 }
 223                                 checkBoxV.setVisibility(View.VISIBLE);
 224                             }
 225                         }
 226
 227                     } else { //Folder
 228                         fileSizeSeparatorV.setVisibility(View.INVISIBLE);
 229                         fileSizeV.setVisibility(View.INVISIBLE);
 230                     }
 231
 232                 case GRID_ITEM:
 233                     // filename
 234                     fileName = (TextView) view.findViewById(R.id.Filename);
 235                     name = file.getFileName();
 236                     fileName.setText(name);
 237
 238                 case GRID_IMAGE:
 239                     // sharedIcon
 240                     ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 241                     if (file.isShareByLink()) {
 242                         sharedIconV.setVisibility(View.VISIBLE);
 243                         sharedIconV.bringToFront();
 244                     } else {
 245                         sharedIconV.setVisibility(View.GONE);
 246                     }
 247
 248                     // local state
 249                     ImageView localStateView = (ImageView) view.findViewById(R.id.localFileIndicator);
 250                     localStateView.bringToFront();
 251                     FileDownloaderBinder downloaderBinder =
 252                             mTransferServiceGetter.getFileDownloaderBinder();
 253                     FileUploaderBinder uploaderBinder =
 254                             mTransferServiceGetter.getFileUploaderBinder();
 255                     OperationsServiceBinder opsBinder =
 256                             mTransferServiceGetter.getOperationsServiceBinder();
 257
 258                     localStateView.setVisibility(View.INVISIBLE);   // default first
 259
 260                     if ( //synchronizing
 261                                 opsBinder != null &&
 262                                 opsBinder.isSynchronizing(mAccount, file.getRemotePath())
 263                             ) {
 264                         localStateView.setImageResource(R.drawable.synchronizing_file_indicator);
 265                         localStateView.setVisibility(View.VISIBLE);
 266
 267                     } else if ( // downloading
 268                                 downloaderBinder != null &&
 269                                 downloaderBinder.isDownloading(mAccount, file)
 270                             ) {
 271                         localStateView.setImageResource(
 272                                 file.isFolder() ?
 273                                         R.drawable.synchronizing_file_indicator :
 274                                         R.drawable.downloading_file_indicator
 275                         );
 276                         localStateView.setVisibility(View.VISIBLE);
 277
 278                     } else if ( //uploading
 279                                 uploaderBinder != null &&
 280                                 uploaderBinder.isUploading(mAccount, file)
 281                             ) {
 282                         localStateView.setImageResource(
 283                                 file.isFolder() ?
 284                                         R.drawable.synchronizing_file_indicator :
 285                                         R.drawable.uploading_file_indicator
 286                         );
 287                         localStateView.setVisibility(View.VISIBLE);
 288
 289                     } else if (file.getEtagInConflict() != null) {   // conflict
 290                         localStateView.setImageResource(R.drawable.conflict_file_indicator);
 291                         localStateView.setVisibility(View.VISIBLE);
 292
 293                     } else if (file.isDown()) {
 294                         localStateView.setImageResource(R.drawable.local_file_indicator);
 295                         localStateView.setVisibility(View.VISIBLE);
 296                     }
 297
 298                     // share with me icon
 299                     ImageView sharedWithMeIconV = (ImageView)
 300                             view.findViewById(R.id.sharedWithMeIcon);
 301                     sharedWithMeIconV.bringToFront();
 302                     if (checkIfFileIsSharedWithMe(file) &&
 303                             (!file.isFolder() || !mGridMode)) {
 304                         sharedWithMeIconV.setVisibility(View.VISIBLE);
 305                     } else {
 306                         sharedWithMeIconV.setVisibility(View.GONE);
 307                     }
 308
 309                     break;
 310             }
 311
 312             // For all Views
 313
 314             // this if-else is needed even though favorite icon is visible by default
 315             // because android reuses views in listview
 316             if (!file.isFavorite()) {
 317                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 318             } else {
 319                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 320             }
 321
 322             // No Folder
 323             if (!file.isFolder()) {
 324                 if (file.isImage() && file.getRemoteId() != null){
 325                     // Thumbnail in Cache?
 326                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 327                             String.valueOf(file.getRemoteId())
 328                             );
 329                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 330                         fileIcon.setImageBitmap(thumbnail);
 331                     } else {
 332                         // generate new Thumbnail
 333                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 334                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 335                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 336                                             fileIcon, mStorageManager, mAccount
 337                                             );
 338                             if (thumbnail == null) {
 339                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 340                             }
 341                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 342                                     new ThumbnailsCacheManager.AsyncDrawable(
 343                                     mContext.getResources(),
 344                                     thumbnail,
 345                                     task
 346                                     );
 347                             fileIcon.setImageDrawable(asyncDrawable);
 348                             task.execute(file);
 349                         }
 350                     }
 351
 352                     if (file.getMimetype().equalsIgnoreCase("image/png")) {
 353                         fileIcon.setBackgroundColor(mContext.getResources()
 354                                 .getColor(R.color.background_color));
 355                     }
 356
 357
 358                 } else {
 359                     fileIcon.setImageResource(MimetypeIconUtil.getFileTypeIconId(file.getMimetype(),
 360                             file.getFileName()));
 361                 }
 362
 363             } else {
 364                 // Folder
 365                 fileIcon.setImageResource(
 366                         MimetypeIconUtil.getFolderTypeIconId(
 367                                 checkIfFileIsSharedWithMe(file), file.isShareByLink()));
 368             }
 369         }
 370
 371         return view;
 372     }
 373
 374     @Override
 375     public int getViewTypeCount() {
 376         return 1;
 377     }
 378
 379     @Override
 380     public boolean hasStableIds() {
 381         return true;
 382     }
 383
 384     @Override
 385     public boolean isEmpty() {
 386         return (mFiles == null || mFiles.isEmpty());
 387     }
 388
 389     /**
 390      * Change the adapted directory for a new one
 391      * @param directory                 New file to adapt. Can be NULL, meaning
 392      *                                  "no content to adapt".
 393      * @param updatedStorageManager     Optional updated storage manager; used to replace
 394      *                                  mStorageManager if is different (and not NULL)
 395      */
 396     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager
 397             /*, boolean onlyOnDevice*/) {
 398         mFile = directory;
 399         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 400             mStorageManager = updatedStorageManager;
 401             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 402         }
 403         if (mStorageManager != null) {
 404             // TODO Enable when "On Device" is recovered ?
 405             mFiles = mStorageManager.getFolderContent(mFile/*, onlyOnDevice*/);
 406             mFilesOrig.clear();
 407             mFilesOrig.addAll(mFiles);
 408
 409             if (mJustFolders) {
 410                 mFiles = getFolders(mFiles);
 411             }
 412         } else {
 413             mFiles = null;
 414         }
 415
 416         mFiles = FileStorageUtils.sortFolder(mFiles);
 417         notifyDataSetChanged();
 418     }
 419
 420
 421     /**
 422      * Filter for getting only the folders
 423      * @param files
 424      * @return Vector<OCFile>
 425      */
 426     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 427         Vector<OCFile> ret = new Vector<OCFile>();
 428         OCFile current = null;
 429         for (int i=0; i<files.size(); i++) {
 430             current = files.get(i);
 431             if (current.isFolder()) {
 432                 ret.add(current);
 433             }
 434         }
 435         return ret;
 436     }
 437
 438
 439     /**
 440      * Check if parent folder does not include 'S' permission and if file/folder
 441      * is shared with me
 442      *
 443      * @param file: OCFile
 444      * @return boolean: True if it is shared with me and false if it is not
 445      */
 446     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 447         return (mFile.getPermissions() != null
 448                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 449                 && file.getPermissions() != null
 450                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 451     }
 452
 453     public void setSortOrder(Integer order, boolean ascending) {
 454         SharedPreferences.Editor editor = mAppPreferences.edit();
 455         editor.putInt("sortOrder", order);
 456         editor.putBoolean("sortAscending", ascending);
 457         editor.commit();
 458
 459         FileStorageUtils.mSortOrder = order;
 460         FileStorageUtils.mSortAscending = ascending;
 461
 462
 463         mFiles = FileStorageUtils.sortFolder(mFiles);
 464         notifyDataSetChanged();
 465
 466     }
 467
 468     private CharSequence showRelativeTimestamp(OCFile file){
 469         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 470                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 471     }
 472
 473     public void setGridMode(boolean gridMode) {
 474         mGridMode = gridMode;
 475     }
 476 }