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