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.file_size);
 197                     TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 198                     ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 199
 200                     lastModV.setVisibility(View.VISIBLE);
 201                     lastModV.setText(showRelativeTimestamp(file));
 202
 203                     checkBoxV.setVisibility(View.GONE);
 204
 205                     fileSizeV.setVisibility(View.VISIBLE);
 206                     fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 207
 208                     if (!file.isFolder()) {
 209                         AbsListView parentList = (AbsListView)parent;
 210                         if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
 211                             if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 212                                 checkBoxV.setVisibility(View.GONE);
 213                             } else {
 214                                 if (parentList.isItemChecked(position)) {
 215                                     checkBoxV.setImageResource(
 216                                             android.R.drawable.checkbox_on_background);
 217                                 } else {
 218                                     checkBoxV.setImageResource(
 219                                             android.R.drawable.checkbox_off_background);
 220                                 }
 221                                 checkBoxV.setVisibility(View.VISIBLE);
 222                             }
 223                         }
 224
 225                     } else { //Folder
 226                         fileSizeV.setVisibility(View.INVISIBLE);
 227                     }
 228
 229                 case GRID_ITEM:
 230                     // filename
 231                     fileName = (TextView) view.findViewById(R.id.Filename);
 232                     name = file.getFileName();
 233                     fileName.setText(name);
 234
 235                 case GRID_IMAGE:
 236                     // sharedIcon
 237                     ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 238                     if (file.isShareByLink()) {
 239                         sharedIconV.setVisibility(View.VISIBLE);
 240                         sharedIconV.bringToFront();
 241                     } else {
 242                         sharedIconV.setVisibility(View.GONE);
 243                     }
 244
 245                     // local state
 246                     ImageView localStateView = (ImageView) view.findViewById(R.id.localFileIndicator);
 247                     localStateView.bringToFront();
 248                     FileDownloaderBinder downloaderBinder =
 249                             mTransferServiceGetter.getFileDownloaderBinder();
 250                     FileUploaderBinder uploaderBinder =
 251                             mTransferServiceGetter.getFileUploaderBinder();
 252                     OperationsServiceBinder opsBinder =
 253                             mTransferServiceGetter.getOperationsServiceBinder();
 254                     boolean downloading = (downloaderBinder != null &&
 255                             downloaderBinder.isDownloading(mAccount, file));
 256                     boolean uploading = (uploaderBinder != null &&
 257                             uploaderBinder.isUploading(mAccount, file));
 258                     boolean synchronizing = (opsBinder != null &&
 259                             opsBinder.isSynchronizing(mAccount, file.getRemotePath()));
 260
 261                     localStateView.setVisibility(View.INVISIBLE);   // default first
 262
 263                     if (file.isFolder()) {
 264                         if (synchronizing || downloading || uploading) {
 265                             localStateView.setImageResource(R.drawable.synchronizing_file_indicator);
 266                             localStateView.setVisibility(View.VISIBLE);
 267                         }
 268
 269                     } else if (synchronizing) {
 270                         localStateView.setImageResource(R.drawable.synchronizing_file_indicator);
 271                         localStateView.setVisibility(View.VISIBLE);
 272
 273                     } else if (downloading) {
 274                         localStateView.setImageResource(R.drawable.downloading_file_indicator);
 275                         localStateView.setVisibility(View.VISIBLE);
 276
 277                     } else if (uploading) {
 278                         localStateView.setImageResource(R.drawable.uploading_file_indicator);
 279                         localStateView.setVisibility(View.VISIBLE);
 280
 281                     } else if (file.isDown()) {
 282                         localStateView.setImageResource(R.drawable.local_file_indicator);
 283                         localStateView.setVisibility(View.VISIBLE);
 284                     }
 285
 286                     // share with me icon
 287                     ImageView sharedWithMeIconV = (ImageView)
 288                             view.findViewById(R.id.sharedWithMeIcon);
 289                     sharedWithMeIconV.bringToFront();
 290                     if (checkIfFileIsSharedWithMe(file) &&
 291                             (!file.isFolder() || !mGridMode)) {
 292                         sharedWithMeIconV.setVisibility(View.VISIBLE);
 293                     } else {
 294                         sharedWithMeIconV.setVisibility(View.GONE);
 295                     }
 296
 297                     break;
 298             }
 299
 300             // For all Views
 301
 302             // this if-else is needed even though favorite icon is visible by default
 303             // because android reuses views in listview
 304             if (!file.isFavorite()) {
 305                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 306             } else {
 307                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 308             }
 309
 310             // No Folder
 311             if (!file.isFolder()) {
 312                 if (file.isImage() && file.getRemoteId() != null){
 313                     // Thumbnail in Cache?
 314                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 315                             String.valueOf(file.getRemoteId())
 316                             );
 317                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 318                         fileIcon.setImageBitmap(thumbnail);
 319                     } else {
 320                         // generate new Thumbnail
 321                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 322                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 323                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 324                                             fileIcon, mStorageManager, mAccount
 325                                             );
 326                             if (thumbnail == null) {
 327                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 328                             }
 329                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 330                                     new ThumbnailsCacheManager.AsyncDrawable(
 331                                     mContext.getResources(),
 332                                     thumbnail,
 333                                     task
 334                                     );
 335                             fileIcon.setImageDrawable(asyncDrawable);
 336                             task.execute(file);
 337                         }
 338                     }
 339
 340                     if (file.getMimetype().equalsIgnoreCase("image/png")) {
 341                         fileIcon.setBackgroundColor(mContext.getResources()
 342                                 .getColor(R.color.background_color));
 343                     }
 344
 345
 346                 } else {
 347                     fileIcon.setImageResource(MimetypeIconUtil.getFileTypeIconId(file.getMimetype(),
 348                             file.getFileName()));
 349                 }
 350
 351             } else {
 352                 // Folder
 353                 fileIcon.setImageResource(
 354                         MimetypeIconUtil.getFolderTypeIconId(
 355                                 checkIfFileIsSharedWithMe(file), file.isShareByLink()));
 356             }
 357         }
 358
 359         return view;
 360     }
 361
 362     /**
 363      * Local Folder size in human readable format
 364      *
 365      * @param path
 366      *            String
 367      * @return Size in human readable format
 368      */
 369     private String getFolderSizeHuman(String path) {
 370
 371         File dir = new File(path);
 372
 373         if (dir.exists()) {
 374             long bytes = FileStorageUtils.getFolderSize(dir);
 375             return DisplayUtils.bytesToHumanReadable(bytes);
 376         }
 377
 378         return "0 B";
 379     }
 380
 381     /**
 382      * Local Folder size
 383      * @param dir File
 384      * @return Size in bytes
 385      */
 386     private long getFolderSize(File dir) {
 387         if (dir.exists()) {
 388             long result = 0;
 389             File[] fileList = dir.listFiles();
 390             for(int i = 0; i < fileList.length; i++) {
 391                 if(fileList[i].isDirectory()) {
 392                     result += getFolderSize(fileList[i]);
 393                 } else {
 394                     result += fileList[i].length();
 395                 }
 396             }
 397             return result;
 398         }
 399         return 0;
 400     }
 401
 402     @Override
 403     public int getViewTypeCount() {
 404         return 1;
 405     }
 406
 407     @Override
 408     public boolean hasStableIds() {
 409         return true;
 410     }
 411
 412     @Override
 413     public boolean isEmpty() {
 414         return (mFiles == null || mFiles.isEmpty());
 415     }
 416
 417     /**
 418      * Change the adapted directory for a new one
 419      * @param directory                 New file to adapt. Can be NULL, meaning
 420      *                                  "no content to adapt".
 421      * @param updatedStorageManager     Optional updated storage manager; used to replace
 422      *                                  mStorageManager if is different (and not NULL)
 423      */
 424     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager
 425             /*, boolean onlyOnDevice*/) {
 426         mFile = directory;
 427         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 428             mStorageManager = updatedStorageManager;
 429             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 430         }
 431         if (mStorageManager != null) {
 432             // TODO Enable when "On Device" is recovered ?
 433             mFiles = mStorageManager.getFolderContent(mFile/*, onlyOnDevice*/);
 434             mFilesOrig.clear();
 435             mFilesOrig.addAll(mFiles);
 436
 437             if (mJustFolders) {
 438                 mFiles = getFolders(mFiles);
 439             }
 440         } else {
 441             mFiles = null;
 442         }
 443
 444         mFiles = FileStorageUtils.sortFolder(mFiles);
 445         notifyDataSetChanged();
 446     }
 447
 448
 449     /**
 450      * Filter for getting only the folders
 451      * @param files
 452      * @return Vector<OCFile>
 453      */
 454     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 455         Vector<OCFile> ret = new Vector<OCFile>();
 456         OCFile current = null;
 457         for (int i=0; i<files.size(); i++) {
 458             current = files.get(i);
 459             if (current.isFolder()) {
 460                 ret.add(current);
 461             }
 462         }
 463         return ret;
 464     }
 465
 466
 467     /**
 468      * Check if parent folder does not include 'S' permission and if file/folder
 469      * is shared with me
 470      *
 471      * @param file: OCFile
 472      * @return boolean: True if it is shared with me and false if it is not
 473      */
 474     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 475         return (mFile.getPermissions() != null
 476                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 477                 && file.getPermissions() != null
 478                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 479     }
 480
 481     public void setSortOrder(Integer order, boolean ascending) {
 482         SharedPreferences.Editor editor = mAppPreferences.edit();
 483         editor.putInt("sortOrder", order);
 484         editor.putBoolean("sortAscending", ascending);
 485         editor.commit();
 486
 487         FileStorageUtils.mSortOrder = order;
 488         FileStorageUtils.mSortAscending = ascending;
 489
 490
 491         mFiles = FileStorageUtils.sortFolder(mFiles);
 492         notifyDataSetChanged();
 493
 494     }
 495
 496     private CharSequence showRelativeTimestamp(OCFile file){
 497         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 498                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 499     }
 500
 501     public void setGridMode(boolean gridMode) {
 502         mGridMode = gridMode;
 503     }
 504 }