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.graphics.BitmapFactory;
  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
  59
  60 /**
  61  * This Adapter populates a ListView with all files and folders in an ownCloud
  62  * instance.
  63  */
  64 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  65     private final static String PERMISSION_SHARED_WITH_ME = "S";
  66
  67     private Context mContext;
  68     private OCFile mFile = null;
  69     private Vector<OCFile> mFiles = null;
  70     private Vector<OCFile> mFilesOrig = new Vector<OCFile>();
  71     private boolean mJustFolders;
  72
  73     private FileDataStorageManager mStorageManager;
  74     private Account mAccount;
  75     private ComponentsGetter mTransferServiceGetter;
  76     private boolean mGridMode;
  77
  78     private enum ViewType {LIST_ITEM, GRID_IMAGE, GRID_ITEM };
  79
  80     private SharedPreferences mAppPreferences;
  81
  82     public FileListListAdapter(
  83             boolean justFolders,
  84             Context context,
  85             ComponentsGetter transferServiceGetter
  86             ) {
  87
  88         mJustFolders = justFolders;
  89         mContext = context;
  90         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  91         mTransferServiceGetter = transferServiceGetter;
  92
  93         mAppPreferences = PreferenceManager
  94                 .getDefaultSharedPreferences(mContext);
  95
  96         // Read sorting order, default to sort by name ascending
  97         FileStorageUtils.mSortOrder = mAppPreferences.getInt("sortOrder", 0);
  98         FileStorageUtils.mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
  99
 100         // initialise thumbnails cache on background thread
 101         new ThumbnailsCacheManager.InitDiskCacheTask().execute();
 102
 103         mGridMode = false;
 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
 143         View view = convertView;
 144         OCFile file = null;
 145         LayoutInflater inflator = (LayoutInflater) mContext
 146                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 147
 148         if (mFiles != null && mFiles.size() > position) {
 149             file = mFiles.get(position);
 150         }
 151
 152         // Find out which layout should be displayed
 153         ViewType viewType;
 154         if (!mGridMode){
 155             viewType = ViewType.LIST_ITEM;
 156         } else if (file.isImage()){
 157             viewType = ViewType.GRID_IMAGE;
 158         } else {
 159             viewType = ViewType.GRID_ITEM;
 160         }
 161
 162         // create view only if differs, otherwise reuse
 163         if (convertView == null || (convertView != null && convertView.getTag() != viewType)) {
 164             switch (viewType) {
 165                 case GRID_IMAGE:
 166                     view = inflator.inflate(R.layout.grid_image, null);
 167                     view.setTag(ViewType.GRID_IMAGE);
 168                     break;
 169                 case GRID_ITEM:
 170                     view = inflator.inflate(R.layout.grid_item, null);
 171                     view.setTag(ViewType.GRID_ITEM);
 172                     break;
 173                 case LIST_ITEM:
 174                     view = inflator.inflate(R.layout.list_item, null);
 175                     view.setTag(ViewType.LIST_ITEM);
 176                     break;
 177             }
 178         }
 179
 180         view.invalidate();
 181
 182         if (file != null){
 183
 184             ImageView fileIcon = (ImageView) view.findViewById(R.id.thumbnail);
 185
 186             fileIcon.setTag(file.getFileId());
 187             TextView fileName;
 188             String name = file.getFileName();
 189
 190             LinearLayout linearLayout = (LinearLayout) view.findViewById(R.id.ListItemLayout);
 191             linearLayout.setContentDescription("LinearLayout-" + name);
 192
 193             switch (viewType){
 194                 case LIST_ITEM:
 195                     TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 196                     TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 197                     ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 198
 199                     lastModV.setVisibility(View.VISIBLE);
 200                     lastModV.setText(showRelativeTimestamp(file));
 201
 202                     checkBoxV.setVisibility(View.GONE);
 203
 204                     fileSizeV.setVisibility(View.VISIBLE);
 205                     fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 206
 207                     if (!file.isFolder()) {
 208                         AbsListView parentList = (AbsListView)parent;
 209                         if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
 210                             if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 211                                 checkBoxV.setVisibility(View.GONE);
 212                             } else {
 213                                 if (parentList.isItemChecked(position)) {
 214                                     checkBoxV.setImageResource(
 215                                             android.R.drawable.checkbox_on_background);
 216                                 } else {
 217                                     checkBoxV.setImageResource(
 218                                             android.R.drawable.checkbox_off_background);
 219                                 }
 220                                 checkBoxV.setVisibility(View.VISIBLE);
 221                             }
 222                         }
 223
 224                     } else { //Folder
 225                         fileSizeV.setVisibility(View.INVISIBLE);
 226                     }
 227
 228                 case GRID_ITEM:
 229                     // filename
 230                     fileName = (TextView) view.findViewById(R.id.Filename);
 231                     name = file.getFileName();
 232                     fileName.setText(name);
 233
 234                 case GRID_IMAGE:
 235                     // sharedIcon
 236                     ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 237                     if (file.isShareByLink()) {
 238                         sharedIconV.setVisibility(View.VISIBLE);
 239                         sharedIconV.bringToFront();
 240                     } else {
 241                         sharedIconV.setVisibility(View.GONE);
 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                     if (!file.isFolder()) {
 273                         ImageView sharedWithMeIconV = (ImageView)
 274                                 view.findViewById(R.id.sharedWithMeIcon);
 275                         sharedWithMeIconV.bringToFront();
 276                         if (checkIfFileIsSharedWithMe(file)) {
 277                             sharedWithMeIconV.setVisibility(View.VISIBLE);
 278                         } else {
 279                             sharedWithMeIconV.setVisibility(View.GONE);
 280                         }
 281                     }
 282
 283                     break;
 284             }
 285
 286             // For all Views
 287
 288             // this if-else is needed even though favorite icon is visible by default
 289             // because android reuses views in listview
 290             if (!file.keepInSync()) {
 291                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 292             } else {
 293                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 294             }
 295
 296             // No Folder
 297             if (!file.isFolder()) {
 298                 if ((file.isImage() || file.isVideo()) && file.getRemoteId() != null){
 299                     // Thumbnail in Cache?
 300                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 301                             String.valueOf(file.getRemoteId())
 302                             );
 303                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 304                         fileIcon.setImageBitmap(thumbnail);
 305                     } else {
 306                         // generate new Thumbnail
 307                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 308                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 309                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 310                                             fileIcon, mStorageManager, mAccount
 311                                             );
 312                             if (thumbnail == null) {
 313 //                                thumbnail = ThumbnailsCacheManager.mDefaultImg;
 314                                 Integer id = DisplayUtils.getFileTypeIconId(file.getMimetype(),
 315                                         file.getFileName());
 316                                 thumbnail = BitmapFactory.decodeResource(mContext.getResources(), id);
 317                             }
 318                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 319                                     new ThumbnailsCacheManager.AsyncDrawable(
 320                                     mContext.getResources(),
 321                                     thumbnail,
 322                                     task
 323                                     );
 324                             fileIcon.setImageDrawable(asyncDrawable);
 325                             task.execute(file);
 326                         }
 327                     }
 328                 } else {
 329                     fileIcon.setImageResource(DisplayUtils.getFileTypeIconId(file.getMimetype(),
 330                             file.getFileName()));
 331                 }
 332
 333             } else {
 334                 // Folder
 335                 if (checkIfFileIsSharedWithMe(file)) {
 336                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 337                 } else if (file.isShareByLink()) {
 338                     // If folder is sharedByLink, icon folder must be changed to
 339                     // folder-public one
 340                     fileIcon.setImageResource(R.drawable.folder_public);
 341                 } else {
 342                     fileIcon.setImageResource(
 343                             DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName())
 344                     );
 345                 }
 346             }
 347         }
 348
 349         return view;
 350     }
 351
 352     /**
 353      * Local Folder size in human readable format
 354      *
 355      * @param path
 356      *            String
 357      * @return Size in human readable format
 358      */
 359     private String getFolderSizeHuman(String path) {
 360
 361         File dir = new File(path);
 362
 363         if (dir.exists()) {
 364             long bytes = FileStorageUtils.getFolderSize(dir);
 365             return DisplayUtils.bytesToHumanReadable(bytes);
 366         }
 367
 368         return "0 B";
 369     }
 370
 371     /**
 372      * Local Folder size
 373      * @param dir File
 374      * @return Size in bytes
 375      */
 376     private long getFolderSize(File dir) {
 377         if (dir.exists()) {
 378             long result = 0;
 379             File[] fileList = dir.listFiles();
 380             for(int i = 0; i < fileList.length; i++) {
 381                 if(fileList[i].isDirectory()) {
 382                     result += getFolderSize(fileList[i]);
 383                 } else {
 384                     result += fileList[i].length();
 385                 }
 386             }
 387             return result;
 388         }
 389         return 0;
 390     }
 391
 392     @Override
 393     public int getViewTypeCount() {
 394         return 1;
 395     }
 396
 397     @Override
 398     public boolean hasStableIds() {
 399         return true;
 400     }
 401
 402     @Override
 403     public boolean isEmpty() {
 404         return (mFiles == null || mFiles.isEmpty());
 405     }
 406
 407     /**
 408      * Change the adapted directory for a new one
 409      * @param directory                 New file to adapt. Can be NULL, meaning
 410      *                                  "no content to adapt".
 411      * @param updatedStorageManager     Optional updated storage manager; used to replace
 412      *                                  mStorageManager if is different (and not NULL)
 413      */
 414     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager
 415             /*, boolean onlyOnDevice*/) {
 416         mFile = directory;
 417         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 418             mStorageManager = updatedStorageManager;
 419             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 420         }
 421         if (mStorageManager != null) {
 422             // TODO Enable when "On Device" is recovered ?
 423             mFiles = mStorageManager.getFolderContent(mFile/*, onlyOnDevice*/);
 424             mFilesOrig.clear();
 425             mFilesOrig.addAll(mFiles);
 426
 427             if (mJustFolders) {
 428                 mFiles = getFolders(mFiles);
 429             }
 430         } else {
 431             mFiles = null;
 432         }
 433
 434         mFiles = FileStorageUtils.sortFolder(mFiles);
 435         notifyDataSetChanged();
 436     }
 437
 438
 439     /**
 440      * Filter for getting only the folders
 441      * @param files
 442      * @return Vector<OCFile>
 443      */
 444     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 445         Vector<OCFile> ret = new Vector<OCFile>();
 446         OCFile current = null;
 447         for (int i=0; i<files.size(); i++) {
 448             current = files.get(i);
 449             if (current.isFolder()) {
 450                 ret.add(current);
 451             }
 452         }
 453         return ret;
 454     }
 455
 456
 457     /**
 458      * Check if parent folder does not include 'S' permission and if file/folder
 459      * is shared with me
 460      *
 461      * @param file: OCFile
 462      * @return boolean: True if it is shared with me and false if it is not
 463      */
 464     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 465         return (mFile.getPermissions() != null
 466                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 467                 && file.getPermissions() != null
 468                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 469     }
 470
 471     public void setSortOrder(Integer order, boolean ascending) {
 472         SharedPreferences.Editor editor = mAppPreferences.edit();
 473         editor.putInt("sortOrder", order);
 474         editor.putBoolean("sortAscending", ascending);
 475         editor.commit();
 476
 477         FileStorageUtils.mSortOrder = order;
 478         FileStorageUtils.mSortAscending = ascending;
 479
 480
 481         mFiles = FileStorageUtils.sortFolder(mFiles);
 482         notifyDataSetChanged();
 483
 484     }
 485
 486     private CharSequence showRelativeTimestamp(OCFile file){
 487         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 488                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 489     }
 490
 491     public void setGridMode(boolean gridMode) {
 492         mGridMode = gridMode;
 493     }
 494 }