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.ArrayList;
  29 import java.util.HashMap;
  30 import java.util.Map;
  31 import java.util.Vector;
  32
  33 import android.accounts.Account;
  34 import android.content.Context;
  35 import android.content.SharedPreferences;
  36 import android.graphics.Bitmap;
  37 import android.graphics.Color;
  38 import android.os.Build;
  39 import android.preference.PreferenceManager;
  40 import android.text.format.DateUtils;
  41 import android.view.LayoutInflater;
  42 import android.view.View;
  43 import android.view.ViewGroup;
  44 import android.widget.AbsListView;
  45 import android.widget.BaseAdapter;
  46 import android.widget.ImageView;
  47 import android.widget.LinearLayout;
  48 import android.widget.ListAdapter;
  49 import android.widget.TextView;
  50
  51 import com.owncloud.android.R;
  52 import com.owncloud.android.authentication.AccountUtils;
  53 import com.owncloud.android.datamodel.FileDataStorageManager;
  54 import com.owncloud.android.datamodel.OCFile;
  55 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  56 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  57 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  58 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  59 import com.owncloud.android.ui.activity.ComponentsGetter;
  60 import com.owncloud.android.utils.DisplayUtils;
  61 import com.owncloud.android.utils.FileStorageUtils;
  62 import com.owncloud.android.utils.MimetypeIconUtil;
  63
  64
  65 /**
  66  * This Adapter populates a ListView with all files and folders in an ownCloud
  67  * instance.
  68  */
  69 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  70     private final static String PERMISSION_SHARED_WITH_ME = "S";
  71
  72     private Context mContext;
  73     private OCFile mFile = null;
  74     private Vector<OCFile> mFiles = null;
  75     private Vector<OCFile> mFilesOrig = new Vector<OCFile>();
  76     private boolean mJustFolders;
  77
  78     private FileDataStorageManager mStorageManager;
  79     private Account mAccount;
  80     private ComponentsGetter mTransferServiceGetter;
  81     private boolean mGridMode;
  82
  83     private enum ViewType {LIST_ITEM, GRID_IMAGE, GRID_ITEM };
  84
  85     private SharedPreferences mAppPreferences;
  86
  87     private HashMap<Integer, Boolean> mSelection = new HashMap<Integer, Boolean>();
  88
  89     public FileListListAdapter(
  90             boolean justFolders,
  91             Context context,
  92             ComponentsGetter transferServiceGetter
  93             ) {
  94
  95         mJustFolders = justFolders;
  96         mContext = context;
  97         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  98         mTransferServiceGetter = transferServiceGetter;
  99
 100         mAppPreferences = PreferenceManager
 101                 .getDefaultSharedPreferences(mContext);
 102
 103         // Read sorting order, default to sort by name ascending
 104         FileStorageUtils.mSortOrder = mAppPreferences.getInt("sortOrder", 0);
 105         FileStorageUtils.mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
 106
 107         // initialise thumbnails cache on background thread
 108         new ThumbnailsCacheManager.InitDiskCacheTask().execute();
 109
 110         mGridMode = false;
 111     }
 112
 113     @Override
 114     public boolean areAllItemsEnabled() {
 115         return true;
 116     }
 117
 118     @Override
 119     public boolean isEnabled(int position) {
 120         return true;
 121     }
 122
 123     @Override
 124     public int getCount() {
 125         return mFiles != null ? mFiles.size() : 0;
 126     }
 127
 128     @Override
 129     public Object getItem(int position) {
 130         if (mFiles == null || mFiles.size() <= position)
 131             return null;
 132         return mFiles.get(position);
 133     }
 134
 135     @Override
 136     public long getItemId(int position) {
 137         if (mFiles == null || mFiles.size() <= position)
 138             return 0;
 139         return mFiles.get(position).getFileId();
 140     }
 141
 142     @Override
 143     public int getItemViewType(int position) {
 144         return 0;
 145     }
 146
 147     @Override
 148     public View getView(int position, View convertView, ViewGroup parent) {
 149
 150         View view = convertView;
 151         OCFile file = null;
 152         LayoutInflater inflator = (LayoutInflater) mContext
 153                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 154
 155         if (mFiles != null && mFiles.size() > position) {
 156             file = mFiles.get(position);
 157         }
 158
 159         // Find out which layout should be displayed
 160         ViewType viewType;
 161         if (!mGridMode){
 162             viewType = ViewType.LIST_ITEM;
 163         } else if (file.isImage() || file.isVideo()){
 164             viewType = ViewType.GRID_IMAGE;
 165         } else {
 166             viewType = ViewType.GRID_ITEM;
 167         }
 168
 169         // create view only if differs, otherwise reuse
 170         if (convertView == null || (convertView != null && convertView.getTag() != viewType)) {
 171             switch (viewType) {
 172                 case GRID_IMAGE:
 173                     view = inflator.inflate(R.layout.grid_image, null);
 174                     view.setTag(ViewType.GRID_IMAGE);
 175                     break;
 176                 case GRID_ITEM:
 177                     view = inflator.inflate(R.layout.grid_item, null);
 178                     view.setTag(ViewType.GRID_ITEM);
 179                     break;
 180                 case LIST_ITEM:
 181                     view = inflator.inflate(R.layout.list_item, null);
 182                     view.setTag(ViewType.LIST_ITEM);
 183                     break;
 184             }
 185         }
 186
 187         view.invalidate();
 188
 189         if (file != null){
 190
 191             ImageView fileIcon = (ImageView) view.findViewById(R.id.thumbnail);
 192
 193             fileIcon.setTag(file.getFileId());
 194             TextView fileName;
 195             String name = file.getFileName();
 196
 197             LinearLayout linearLayout = (LinearLayout) view.findViewById(R.id.ListItemLayout);
 198             linearLayout.setContentDescription("LinearLayout-" + name);
 199
 200             switch (viewType){
 201                 case LIST_ITEM:
 202                     TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 203                     TextView fileSizeSeparatorV = (TextView) view.findViewById(R.id.file_separator);
 204                     TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 205
 206
 207                     lastModV.setVisibility(View.VISIBLE);
 208                     lastModV.setText(showRelativeTimestamp(file));
 209
 210
 211                     fileSizeSeparatorV.setVisibility(View.VISIBLE);
 212                     fileSizeV.setVisibility(View.VISIBLE);
 213                     fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 214
 215                     if (!file.isFolder()) {
 216                         AbsListView parentList = (AbsListView)parent;
 217                         if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
 218                             if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 219                                 checkBoxV.setVisibility(View.GONE);
 220                             } else {
 221                                 if (parentList.isItemChecked(position)) {
 222                                     checkBoxV.setImageResource(
 223                                             R.drawable.ic_checkbox_marked);
 224                                 } else {
 225                                     checkBoxV.setImageResource(
 226                                             R.drawable.ic_checkbox_blank_outline);
 227                                 }
 228                                 checkBoxV.setVisibility(View.VISIBLE);
 229                             }
 230                         }
 231
 232                     } else { //Folder
 233                         fileSizeSeparatorV.setVisibility(View.INVISIBLE);
 234                         fileSizeV.setVisibility(View.INVISIBLE);
 235                     }
 236
 237                 case GRID_ITEM:
 238                     // filename
 239                     fileName = (TextView) view.findViewById(R.id.Filename);
 240                     name = file.getFileName();
 241                     fileName.setText(name);
 242
 243                 case GRID_IMAGE:
 244                     // sharedIcon
 245                     ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 246                     if (file.isShareByLink()) {
 247                         sharedIconV.setVisibility(View.VISIBLE);
 248                         sharedIconV.bringToFront();
 249                     } else {
 250                         sharedIconV.setVisibility(View.GONE);
 251                     }
 252
 253                     // local state
 254                     ImageView localStateView = (ImageView) view.findViewById(R.id.localFileIndicator);
 255                     localStateView.bringToFront();
 256                     FileDownloaderBinder downloaderBinder =
 257                             mTransferServiceGetter.getFileDownloaderBinder();
 258                     FileUploaderBinder uploaderBinder =
 259                             mTransferServiceGetter.getFileUploaderBinder();
 260                     boolean downloading = (downloaderBinder != null &&
 261                             downloaderBinder.isDownloading(mAccount, file));
 262                     OperationsServiceBinder opsBinder =
 263                             mTransferServiceGetter.getOperationsServiceBinder();
 264                     downloading |= (opsBinder != null &&
 265                             opsBinder.isSynchronizing(mAccount, file.getRemotePath()));
 266                     if (downloading) {
 267                         localStateView.setImageResource(R.drawable.downloading_file_indicator);
 268                         localStateView.setVisibility(View.VISIBLE);
 269                     } else if (uploaderBinder != null &&
 270                             uploaderBinder.isUploading(mAccount, file)) {
 271                         localStateView.setImageResource(R.drawable.uploading_file_indicator);
 272                         localStateView.setVisibility(View.VISIBLE);
 273                     } else if (file.isDown()) {
 274                         localStateView.setImageResource(R.drawable.local_file_indicator);
 275                         localStateView.setVisibility(View.VISIBLE);
 276                     } else {
 277                         localStateView.setVisibility(View.INVISIBLE);
 278                     }
 279
 280                     // share with me icon
 281                     ImageView sharedWithMeIconV = (ImageView)
 282                             view.findViewById(R.id.sharedWithMeIcon);
 283                     sharedWithMeIconV.bringToFront();
 284                     if (checkIfFileIsSharedWithMe(file) &&
 285                             (!file.isFolder() || !mGridMode)) {
 286                         sharedWithMeIconV.setVisibility(View.VISIBLE);
 287                     } else {
 288                         sharedWithMeIconV.setVisibility(View.GONE);
 289                     }
 290
 291                     break;
 292             }
 293
 294             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 295             checkBoxV.setVisibility(View.GONE);
 296
 297             AbsListView parentList = (AbsListView)parent;
 298             if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
 299                 if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 300                     checkBoxV.setVisibility(View.GONE);
 301                 } else if (parentList.getCheckedItemCount() > 0){
 302                     if (parentList.isItemChecked(position)) {
 303                         checkBoxV.setImageResource(
 304                                 android.R.drawable.checkbox_on_background);
 305                     } else {
 306                         checkBoxV.setImageResource(
 307                                 android.R.drawable.checkbox_off_background);
 308                     }
 309                     checkBoxV.setVisibility(View.VISIBLE);
 310                 }
 311             }
 312
 313             // For all Views
 314
 315             // this if-else is needed even though favorite icon is visible by default
 316             // because android reuses views in listview
 317             if (!file.isFavorite()) {
 318                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 319             } else {
 320                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 321             }
 322
 323             // No Folder
 324             if (!file.isFolder()) {
 325                 if (file.isImage() && file.getRemoteId() != null){
 326                     // Thumbnail in Cache?
 327                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 328                             String.valueOf(file.getRemoteId())
 329                             );
 330                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 331                         fileIcon.setImageBitmap(thumbnail);
 332                     } else {
 333                         // generate new Thumbnail
 334                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 335                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 336                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 337                                             fileIcon, mStorageManager, mAccount
 338                                             );
 339                             if (thumbnail == null) {
 340                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 341                             }
 342                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 343                                     new ThumbnailsCacheManager.AsyncDrawable(
 344                                     mContext.getResources(),
 345                                     thumbnail,
 346                                     task
 347                                     );
 348                             fileIcon.setImageDrawable(asyncDrawable);
 349                             task.execute(file, true);
 350                         }
 351                     }
 352
 353                     if (file.getMimetype().equalsIgnoreCase("image/png")) {
 354                         fileIcon.setBackgroundColor(mContext.getResources()
 355                                 .getColor(R.color.background_color));
 356                     }
 357
 358
 359                 } else {
 360                     fileIcon.setImageResource(MimetypeIconUtil.getFileTypeIconId(file.getMimetype(),
 361                             file.getFileName()));
 362                 }
 363
 364             } else {
 365                 // Folder
 366                 fileIcon.setImageResource(
 367                         MimetypeIconUtil.getFolderTypeIconId(
 368                                 checkIfFileIsSharedWithMe(file), file.isShareByLink()));
 369             }
 370         }
 371
 372         if (mSelection.get(position) != null) {
 373             view.setBackgroundColor(Color.rgb(248, 248, 248));
 374         } else {
 375             view.setBackgroundColor(Color.WHITE);
 376         }
 377
 378         return view;
 379     }
 380
 381     /**
 382      * Local Folder size in human readable format
 383      *
 384      * @param path
 385      *            String
 386      * @return Size in human readable format
 387      */
 388     private String getFolderSizeHuman(String path) {
 389
 390         File dir = new File(path);
 391
 392         if (dir.exists()) {
 393             long bytes = FileStorageUtils.getFolderSize(dir);
 394             return DisplayUtils.bytesToHumanReadable(bytes);
 395         }
 396
 397         return "0 B";
 398     }
 399
 400     /**
 401      * Local Folder size
 402      * @param dir File
 403      * @return Size in bytes
 404      */
 405     private long getFolderSize(File dir) {
 406         if (dir.exists()) {
 407             long result = 0;
 408             File[] fileList = dir.listFiles();
 409             for(int i = 0; i < fileList.length; i++) {
 410                 if(fileList[i].isDirectory()) {
 411                     result += getFolderSize(fileList[i]);
 412                 } else {
 413                     result += fileList[i].length();
 414                 }
 415             }
 416             return result;
 417         }
 418         return 0;
 419     }
 420
 421     @Override
 422     public int getViewTypeCount() {
 423         return 1;
 424     }
 425
 426     @Override
 427     public boolean hasStableIds() {
 428         return true;
 429     }
 430
 431     @Override
 432     public boolean isEmpty() {
 433         return (mFiles == null || mFiles.isEmpty());
 434     }
 435
 436     /**
 437      * Change the adapted directory for a new one
 438      * @param directory                 New file to adapt. Can be NULL, meaning
 439      *                                  "no content to adapt".
 440      * @param updatedStorageManager     Optional updated storage manager; used to replace
 441      *                                  mStorageManager if is different (and not NULL)
 442      */
 443     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager
 444             , boolean onlyOnDevice) {
 445         mFile = directory;
 446         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 447             mStorageManager = updatedStorageManager;
 448             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 449         }
 450         if (mStorageManager != null) {
 451             mFiles = mStorageManager.getFolderContent(mFile, onlyOnDevice);
 452             mFilesOrig.clear();
 453             mFilesOrig.addAll(mFiles);
 454
 455             if (mJustFolders) {
 456                 mFiles = getFolders(mFiles);
 457             }
 458         } else {
 459             mFiles = null;
 460         }
 461
 462         mFiles = FileStorageUtils.sortOcFolder(mFiles);
 463         notifyDataSetChanged();
 464     }
 465
 466
 467     /**
 468      * Filter for getting only the folders
 469      * @param files
 470      * @return Vector<OCFile>
 471      */
 472     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 473         Vector<OCFile> ret = new Vector<OCFile>();
 474         OCFile current = null;
 475         for (int i=0; i<files.size(); i++) {
 476             current = files.get(i);
 477             if (current.isFolder()) {
 478                 ret.add(current);
 479             }
 480         }
 481         return ret;
 482     }
 483
 484
 485     /**
 486      * Check if parent folder does not include 'S' permission and if file/folder
 487      * is shared with me
 488      *
 489      * @param file: OCFile
 490      * @return boolean: True if it is shared with me and false if it is not
 491      */
 492     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 493         return (mFile.getPermissions() != null
 494                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 495                 && file.getPermissions() != null
 496                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 497     }
 498
 499     public void setSortOrder(Integer order, boolean ascending) {
 500         SharedPreferences.Editor editor = mAppPreferences.edit();
 501         editor.putInt("sortOrder", order);
 502         editor.putBoolean("sortAscending", ascending);
 503         editor.commit();
 504
 505         FileStorageUtils.mSortOrder = order;
 506         FileStorageUtils.mSortAscending = ascending;
 507
 508
 509         mFiles = FileStorageUtils.sortOcFolder(mFiles);
 510         notifyDataSetChanged();
 511
 512     }
 513
 514     private CharSequence showRelativeTimestamp(OCFile file){
 515         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 516                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 517     }
 518
 519     public void setGridMode(boolean gridMode) {
 520         mGridMode = gridMode;
 521     }
 522
 523     public boolean isGridMode() {
 524         return mGridMode;
 525     }
 526
 527     public void setNewSelection(int position, boolean checked) {
 528         mSelection.put(position, checked);
 529         notifyDataSetChanged();
 530     }
 531
 532     public void removeSelection(int position) {
 533         mSelection.remove(position);
 534         notifyDataSetChanged();
 535     }
 536
 537     public void removeSelection(){
 538          mSelection.clear();
 539         notifyDataSetChanged();
 540     }
 541
 542     public ArrayList<Integer> getCheckedItemPositions() {
 543         ArrayList<Integer> ids = new ArrayList<Integer>();
 544
 545         for (Map.Entry<Integer, Boolean> entry : mSelection.entrySet()){
 546             if (entry.getValue()){
 547                 ids.add(entry.getKey());
 548             }
 549         }
 550         return ids;
 551     }
 552
 553     public ArrayList<OCFile> getCheckedItems() {
 554         ArrayList<OCFile> files = new ArrayList<OCFile>();
 555
 556         for (Map.Entry<Integer, Boolean> entry : mSelection.entrySet()){
 557             if (entry.getValue()){
 558                 files.add((OCFile) getItem(entry.getKey()));
 559             }
 560         }
 561         return files;
 562     }
 563 }