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
  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                     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                     break;
 283             }
 284
 285             // For all Views
 286
 287             // this if-else is needed even though favorite icon is visible by default
 288             // because android reuses views in listview
 289             if (!file.isFavorite()) {
 290                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 291             } else {
 292                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 293             }
 294
 295             // No Folder
 296             if (!file.isFolder()) {
 297                 if (file.isImage() && file.getRemoteId() != null){
 298                     // Thumbnail in Cache?
 299                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 300                             String.valueOf(file.getRemoteId())
 301                             );
 302                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 303                         fileIcon.setImageBitmap(thumbnail);
 304                     } else {
 305                         // generate new Thumbnail
 306                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 307                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 308                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 309                                             fileIcon, mStorageManager, mAccount
 310                                             );
 311                             if (thumbnail == null) {
 312                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 313                             }
 314                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 315                                     new ThumbnailsCacheManager.AsyncDrawable(
 316                                     mContext.getResources(),
 317                                     thumbnail,
 318                                     task
 319                                     );
 320                             fileIcon.setImageDrawable(asyncDrawable);
 321                             task.execute(file);
 322                         }
 323                     }
 324
 325                     if (file.getMimetype().equalsIgnoreCase("image/png")) {
 326                         fileIcon.setBackgroundColor(mContext.getResources()
 327                                 .getColor(R.color.background_color));
 328                     }
 329
 330
 331                 } else {
 332                     fileIcon.setImageResource(DisplayUtils.getFileTypeIconId(file.getMimetype(),
 333                             file.getFileName()));
 334                 }
 335
 336             } else {
 337                 // Folder
 338
 339                 if (checkIfFileIsSharedWithMe(file)) {
 340                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 341                 } else if (file.isShareByLink()) {
 342                     // If folder is sharedByLink, icon folder must be changed to
 343                     // folder-public one
 344                     fileIcon.setImageResource(R.drawable.folder_public);
 345                 } else {
 346                     fileIcon.setImageResource(
 347                             DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName())
 348                     );
 349                 }
 350             }
 351         }
 352
 353         return view;
 354     }
 355
 356     /**
 357      * Local Folder size in human readable format
 358      *
 359      * @param path
 360      *            String
 361      * @return Size in human readable format
 362      */
 363     private String getFolderSizeHuman(String path) {
 364
 365         File dir = new File(path);
 366
 367         if (dir.exists()) {
 368             long bytes = FileStorageUtils.getFolderSize(dir);
 369             return DisplayUtils.bytesToHumanReadable(bytes);
 370         }
 371
 372         return "0 B";
 373     }
 374
 375     /**
 376      * Local Folder size
 377      * @param dir File
 378      * @return Size in bytes
 379      */
 380     private long getFolderSize(File dir) {
 381         if (dir.exists()) {
 382             long result = 0;
 383             File[] fileList = dir.listFiles();
 384             for(int i = 0; i < fileList.length; i++) {
 385                 if(fileList[i].isDirectory()) {
 386                     result += getFolderSize(fileList[i]);
 387                 } else {
 388                     result += fileList[i].length();
 389                 }
 390             }
 391             return result;
 392         }
 393         return 0;
 394     }
 395
 396     @Override
 397     public int getViewTypeCount() {
 398         return 1;
 399     }
 400
 401     @Override
 402     public boolean hasStableIds() {
 403         return true;
 404     }
 405
 406     @Override
 407     public boolean isEmpty() {
 408         return (mFiles == null || mFiles.isEmpty());
 409     }
 410
 411     /**
 412      * Change the adapted directory for a new one
 413      * @param directory                 New file to adapt. Can be NULL, meaning
 414      *                                  "no content to adapt".
 415      * @param updatedStorageManager     Optional updated storage manager; used to replace
 416      *                                  mStorageManager if is different (and not NULL)
 417      */
 418     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager
 419             /*, boolean onlyOnDevice*/) {
 420         mFile = directory;
 421         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 422             mStorageManager = updatedStorageManager;
 423             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 424         }
 425         if (mStorageManager != null) {
 426             // TODO Enable when "On Device" is recovered ?
 427             mFiles = mStorageManager.getFolderContent(mFile/*, onlyOnDevice*/);
 428             mFilesOrig.clear();
 429             mFilesOrig.addAll(mFiles);
 430
 431             if (mJustFolders) {
 432                 mFiles = getFolders(mFiles);
 433             }
 434         } else {
 435             mFiles = null;
 436         }
 437
 438         mFiles = FileStorageUtils.sortFolder(mFiles);
 439         notifyDataSetChanged();
 440     }
 441
 442
 443     /**
 444      * Filter for getting only the folders
 445      * @param files
 446      * @return Vector<OCFile>
 447      */
 448     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 449         Vector<OCFile> ret = new Vector<OCFile>();
 450         OCFile current = null;
 451         for (int i=0; i<files.size(); i++) {
 452             current = files.get(i);
 453             if (current.isFolder()) {
 454                 ret.add(current);
 455             }
 456         }
 457         return ret;
 458     }
 459
 460
 461     /**
 462      * Check if parent folder does not include 'S' permission and if file/folder
 463      * is shared with me
 464      *
 465      * @param file: OCFile
 466      * @return boolean: True if it is shared with me and false if it is not
 467      */
 468     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 469         return (mFile.getPermissions() != null
 470                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 471                 && file.getPermissions() != null
 472                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 473     }
 474
 475     public void setSortOrder(Integer order, boolean ascending) {
 476         SharedPreferences.Editor editor = mAppPreferences.edit();
 477         editor.putInt("sortOrder", order);
 478         editor.putBoolean("sortAscending", ascending);
 479         editor.commit();
 480
 481         FileStorageUtils.mSortOrder = order;
 482         FileStorageUtils.mSortAscending = ascending;
 483
 484
 485         mFiles = FileStorageUtils.sortFolder(mFiles);
 486         notifyDataSetChanged();
 487
 488     }
 489
 490     private CharSequence showRelativeTimestamp(OCFile file){
 491         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 492                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 493     }
 494
 495     public void setGridMode(boolean gridMode) {
 496         mGridMode = gridMode;
 497     }
 498 }