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.GridView;
  42 import android.widget.ImageView;
  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
 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
 163         switch (viewType){
 164             case GRID_IMAGE:
 165                 view = inflator.inflate(R.layout.grid_image, null);
 166                 break;
 167             case GRID_ITEM:
 168                 view = inflator.inflate(R.layout.grid_item, null);
 169                 break;
 170             case LIST_ITEM:
 171                 view = inflator.inflate(R.layout.list_item, null);
 172                 break;
 173         }
 174
 175         view.invalidate();
 176
 177         if (file != null){
 178
 179             ImageView fileIcon = (ImageView) view.findViewById(R.id.thumbnail);
 180             fileIcon.setTag(file.getFileId());
 181             TextView fileName;
 182             String name;
 183
 184             switch (viewType){
 185                 case LIST_ITEM:
 186                     TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 187                     TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 188                     ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 189
 190                     lastModV.setVisibility(View.VISIBLE);
 191                     lastModV.setText(showRelativeTimestamp(file));
 192
 193                     checkBoxV.setVisibility(View.GONE);
 194
 195                     fileSizeV.setVisibility(View.VISIBLE);
 196                     fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 197
 198                     if (!file.isFolder()) {
 199                         AbsListView parentList = (AbsListView)parent;
 200                         if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
 201                             if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 202                                 checkBoxV.setVisibility(View.GONE);
 203                             } else {
 204                                 if (parentList.isItemChecked(position)) {
 205                                     checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 206                                 } else {
 207                                     checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 208                                 }
 209                                 checkBoxV.setVisibility(View.VISIBLE);
 210                             }
 211                         }
 212
 213                     } else { //Folder
 214                         fileSizeV.setVisibility(View.INVISIBLE);
 215                     }
 216
 217                 case GRID_ITEM:
 218                     // filename
 219                     fileName = (TextView) view.findViewById(R.id.Filename);
 220                     name = file.getFileName();
 221                     fileName.setText(name);
 222
 223                 case GRID_IMAGE:
 224                     // sharedIcon
 225                     ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 226                     if (file.isShareByLink()) {
 227                         sharedIconV.setVisibility(View.VISIBLE);
 228                         sharedIconV.bringToFront();
 229                     } else {
 230                         sharedIconV.setVisibility(View.GONE);
 231                     }
 232
 233                     // local state
 234                     ImageView localStateView = (ImageView) view.findViewById(R.id.localFileIndicator);
 235                     localStateView.bringToFront();
 236                     FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 237                     FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 238                     boolean downloading = (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file));
 239                     OperationsServiceBinder opsBinder = mTransferServiceGetter.getOperationsServiceBinder();
 240                     downloading |= (opsBinder != null && opsBinder.isSynchronizing(mAccount, file.getRemotePath()));
 241                     if (downloading) {
 242                         localStateView.setImageResource(R.drawable.downloading_file_indicator);
 243                         localStateView.setVisibility(View.VISIBLE);
 244                     } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 245                         localStateView.setImageResource(R.drawable.uploading_file_indicator);
 246                         localStateView.setVisibility(View.VISIBLE);
 247                     } else if (file.isDown()) {
 248                         localStateView.setImageResource(R.drawable.local_file_indicator);
 249                         localStateView.setVisibility(View.VISIBLE);
 250                     } else {
 251                         localStateView.setVisibility(View.INVISIBLE);
 252                     }
 253
 254                     // share with me icon
 255                     if (!file.isFolder()) {
 256                         ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 257                         sharedWithMeIconV.bringToFront();
 258                         if (checkIfFileIsSharedWithMe(file)) {
 259                             sharedWithMeIconV.setVisibility(View.VISIBLE);
 260                         } else {
 261                             sharedWithMeIconV.setVisibility(View.GONE);
 262                         }
 263                     }
 264
 265                     break;
 266             }
 267
 268             // For all Views
 269
 270             // this if-else is needed even though favorite icon is visible by default
 271             // because android reuses views in listview
 272             if (!file.keepInSync()) {
 273                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 274             } else {
 275                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 276             }
 277
 278             // No Folder
 279             if (!file.isFolder()) {
 280                 if (file.isImage() && file.getRemoteId() != null){
 281                     // Thumbnail in Cache?
 282                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 283                             String.valueOf(file.getRemoteId())
 284                             );
 285                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 286                         fileIcon.setImageBitmap(thumbnail);
 287                     } else {
 288                         // generate new Thumbnail
 289                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 290                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 291                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 292                                             fileIcon, mStorageManager, mAccount
 293                                             );
 294                             if (thumbnail == null) {
 295                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 296                             }
 297                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 298                                     new ThumbnailsCacheManager.AsyncDrawable(
 299                                     mContext.getResources(),
 300                                     thumbnail,
 301                                     task
 302                                     );
 303                             fileIcon.setImageDrawable(asyncDrawable);
 304                             task.execute(file);
 305                         }
 306                     }
 307                 } else {
 308                     fileIcon.setImageResource(DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName()));
 309                 }
 310             } else {
 311                 // Folder
 312                 if (checkIfFileIsSharedWithMe(file)) {
 313                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 314                 } else if (file.isShareByLink()) {
 315                     // If folder is sharedByLink, icon folder must be changed to
 316                     // folder-public one
 317                     fileIcon.setImageResource(R.drawable.folder_public);
 318                 } else {
 319                     fileIcon.setImageResource(
 320                             DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName())
 321                     );
 322                 }
 323             }
 324         }
 325
 326         return view;
 327     }
 328
 329     /**
 330      * Local Folder size in human readable format
 331      *
 332      * @param path
 333      *            String
 334      * @return Size in human readable format
 335      */
 336     private String getFolderSizeHuman(String path) {
 337
 338         File dir = new File(path);
 339
 340         if (dir.exists()) {
 341             long bytes = FileStorageUtils.getFolderSize(dir);
 342             return DisplayUtils.bytesToHumanReadable(bytes);
 343         }
 344
 345         return "0 B";
 346     }
 347
 348     /**
 349      * Local Folder size
 350      * @param dir File
 351      * @return Size in bytes
 352      */
 353     private long getFolderSize(File dir) {
 354         if (dir.exists()) {
 355             long result = 0;
 356             File[] fileList = dir.listFiles();
 357             for(int i = 0; i < fileList.length; i++) {
 358                 if(fileList[i].isDirectory()) {
 359                     result += getFolderSize(fileList[i]);
 360                 } else {
 361                     result += fileList[i].length();
 362                 }
 363             }
 364             return result;
 365         }
 366         return 0;
 367     }
 368
 369     @Override
 370     public int getViewTypeCount() {
 371         return 1;
 372     }
 373
 374     @Override
 375     public boolean hasStableIds() {
 376         return true;
 377     }
 378
 379     @Override
 380     public boolean isEmpty() {
 381         return (mFiles == null || mFiles.isEmpty());
 382     }
 383
 384     /**
 385      * Change the adapted directory for a new one
 386      * @param directory                 New file to adapt. Can be NULL, meaning
 387      *                                  "no content to adapt".
 388      * @param updatedStorageManager     Optional updated storage manager; used to replace
 389      *                                  mStorageManager if is different (and not NULL)
 390      */
 391     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 392         mFile = directory;
 393         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 394             mStorageManager = updatedStorageManager;
 395             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 396         }
 397         if (mStorageManager != null) {
 398             mFiles = mStorageManager.getFolderContent(mFile);
 399             mFilesOrig.clear();
 400             mFilesOrig.addAll(mFiles);
 401
 402             if (mJustFolders) {
 403                 mFiles = getFolders(mFiles);
 404             }
 405         } else {
 406             mFiles = null;
 407         }
 408
 409         mFiles = FileStorageUtils.sortFolder(mFiles);
 410         notifyDataSetChanged();
 411     }
 412
 413
 414     /**
 415      * Filter for getting only the folders
 416      * @param files
 417      * @return Vector<OCFile>
 418      */
 419     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 420         Vector<OCFile> ret = new Vector<OCFile>();
 421         OCFile current = null;
 422         for (int i=0; i<files.size(); i++) {
 423             current = files.get(i);
 424             if (current.isFolder()) {
 425                 ret.add(current);
 426             }
 427         }
 428         return ret;
 429     }
 430
 431
 432     /**
 433      * Check if parent folder does not include 'S' permission and if file/folder
 434      * is shared with me
 435      *
 436      * @param file: OCFile
 437      * @return boolean: True if it is shared with me and false if it is not
 438      */
 439     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 440         return (mFile.getPermissions() != null
 441                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 442                 && file.getPermissions() != null
 443                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 444     }
 445
 446     public void setSortOrder(Integer order, boolean ascending) {
 447         SharedPreferences.Editor editor = mAppPreferences.edit();
 448         editor.putInt("sortOrder", order);
 449         editor.putBoolean("sortAscending", ascending);
 450         editor.commit();
 451
 452         FileStorageUtils.mSortOrder = order;
 453         FileStorageUtils.mSortAscending = ascending;
 454
 455
 456         mFiles = FileStorageUtils.sortFolder(mFiles);
 457         notifyDataSetChanged();
 458
 459     }
 460
 461     private CharSequence showRelativeTimestamp(OCFile file){
 462         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 463                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 464     }
 465
 466     public void setGridMode(boolean gridMode) {
 467         mGridMode = gridMode;
 468     }
 469 }