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.ImageView;
  42 import android.widget.LinearLayout;
  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         // initialise thumbnails cache on background thread
 100         new ThumbnailsCacheManager.InitDiskCacheTask().execute();
 101
 102         mGridMode = false;
 103     }
 104
 105     @Override
 106     public boolean areAllItemsEnabled() {
 107         return true;
 108     }
 109
 110     @Override
 111     public boolean isEnabled(int position) {
 112         return true;
 113     }
 114
 115     @Override
 116     public int getCount() {
 117         return mFiles != null ? mFiles.size() : 0;
 118     }
 119
 120     @Override
 121     public Object getItem(int position) {
 122         if (mFiles == null || mFiles.size() <= position)
 123             return null;
 124         return mFiles.get(position);
 125     }
 126
 127     @Override
 128     public long getItemId(int position) {
 129         if (mFiles == null || mFiles.size() <= position)
 130             return 0;
 131         return mFiles.get(position).getFileId();
 132     }
 133
 134     @Override
 135     public int getItemViewType(int position) {
 136         return 0;
 137     }
 138
 139     @Override
 140     public View getView(int position, View convertView, ViewGroup parent) {
 141
 142         View view = convertView;
 143         OCFile file = null;
 144         LayoutInflater inflator = (LayoutInflater) mContext
 145                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 146
 147         if (mFiles != null && mFiles.size() > position) {
 148             file = mFiles.get(position);
 149         }
 150
 151         // Find out which layout should be displayed
 152         ViewType viewType;
 153         if (!mGridMode){
 154             viewType = ViewType.LIST_ITEM;
 155         } else if (file.isImage()){
 156             viewType = ViewType.GRID_IMAGE;
 157         } else {
 158             viewType = ViewType.GRID_ITEM;
 159         }
 160
 161         // Create View
 162         switch (viewType){
 163             case GRID_IMAGE:
 164                 view = inflator.inflate(R.layout.grid_image, null);
 165                 break;
 166             case GRID_ITEM:
 167                 view = inflator.inflate(R.layout.grid_item, null);
 168                 break;
 169             case LIST_ITEM:
 170                 view = inflator.inflate(R.layout.list_item, null);
 171                 break;
 172         }
 173
 174         view.invalidate();
 175
 176         if (file != null){
 177
 178             ImageView fileIcon = (ImageView) view.findViewById(R.id.thumbnail);
 179
 180             fileIcon.setTag(file.getFileId());
 181             TextView fileName;
 182             String name = file.getFileName();
 183
 184             LinearLayout linearLayout = (LinearLayout) view.findViewById(R.id.ListItemLayout);
 185             linearLayout.setContentDescription("LinearLayout-" + name);
 186
 187             switch (viewType){
 188                 case LIST_ITEM:
 189                     TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 190                     TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 191                     ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 192
 193                     lastModV.setVisibility(View.VISIBLE);
 194                     lastModV.setText(showRelativeTimestamp(file));
 195
 196                     checkBoxV.setVisibility(View.GONE);
 197
 198                     fileSizeV.setVisibility(View.VISIBLE);
 199                     fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 200
 201                     if (!file.isFolder()) {
 202                         AbsListView parentList = (AbsListView)parent;
 203                         if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
 204                             if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 205                                 checkBoxV.setVisibility(View.GONE);
 206                             } else {
 207                                 if (parentList.isItemChecked(position)) {
 208                                     checkBoxV.setImageResource(
 209                                             android.R.drawable.checkbox_on_background);
 210                                 } else {
 211                                     checkBoxV.setImageResource(
 212                                             android.R.drawable.checkbox_off_background);
 213                                 }
 214                                 checkBoxV.setVisibility(View.VISIBLE);
 215                             }
 216                         }
 217
 218                     } else { //Folder
 219                         fileSizeV.setVisibility(View.INVISIBLE);
 220                     }
 221
 222                 case GRID_ITEM:
 223                     // filename
 224                     fileName = (TextView) view.findViewById(R.id.Filename);
 225                     name = file.getFileName();
 226                     fileName.setText(name);
 227
 228                 case GRID_IMAGE:
 229                     // sharedIcon
 230                     ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 231                     if (file.isShareByLink()) {
 232                         sharedIconV.setVisibility(View.VISIBLE);
 233                         sharedIconV.bringToFront();
 234                     } else {
 235                         sharedIconV.setVisibility(View.GONE);
 236                     }
 237
 238                     // local state
 239                     ImageView localStateView = (ImageView) view.findViewById(R.id.localFileIndicator);
 240                     localStateView.bringToFront();
 241                     FileDownloaderBinder downloaderBinder =
 242                             mTransferServiceGetter.getFileDownloaderBinder();
 243                     FileUploaderBinder uploaderBinder =
 244                             mTransferServiceGetter.getFileUploaderBinder();
 245                     boolean downloading = (downloaderBinder != null &&
 246                             downloaderBinder.isDownloading(mAccount, file));
 247                     OperationsServiceBinder opsBinder =
 248                             mTransferServiceGetter.getOperationsServiceBinder();
 249                     downloading |= (opsBinder != null &&
 250                             opsBinder.isSynchronizing(mAccount, file.getRemotePath()));
 251                     if (downloading) {
 252                         localStateView.setImageResource(R.drawable.downloading_file_indicator);
 253                         localStateView.setVisibility(View.VISIBLE);
 254                     } else if (uploaderBinder != null &&
 255                             uploaderBinder.isUploading(mAccount, file)) {
 256                         localStateView.setImageResource(R.drawable.uploading_file_indicator);
 257                         localStateView.setVisibility(View.VISIBLE);
 258                     } else if (file.isDown()) {
 259                         localStateView.setImageResource(R.drawable.local_file_indicator);
 260                         localStateView.setVisibility(View.VISIBLE);
 261                     } else {
 262                         localStateView.setVisibility(View.INVISIBLE);
 263                     }
 264
 265                     // share with me icon
 266                     if (!file.isFolder()) {
 267                         ImageView sharedWithMeIconV = (ImageView)
 268                                 view.findViewById(R.id.sharedWithMeIcon);
 269                         sharedWithMeIconV.bringToFront();
 270                         if (checkIfFileIsSharedWithMe(file)) {
 271                             sharedWithMeIconV.setVisibility(View.VISIBLE);
 272                         } else {
 273                             sharedWithMeIconV.setVisibility(View.GONE);
 274                         }
 275                     }
 276
 277                     break;
 278             }
 279
 280             // For all Views
 281
 282             // this if-else is needed even though favorite icon is visible by default
 283             // because android reuses views in listview
 284             if (!file.keepInSync()) {
 285                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 286             } else {
 287                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 288             }
 289
 290             // No Folder
 291             if (!file.isFolder()) {
 292                 if (file.isImage() && file.getRemoteId() != null){
 293                     // Thumbnail in Cache?
 294                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 295                             String.valueOf(file.getRemoteId())
 296                             );
 297                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 298                         fileIcon.setImageBitmap(thumbnail);
 299                     } else {
 300                         // generate new Thumbnail
 301                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 302                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 303                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 304                                             fileIcon, mStorageManager, mAccount
 305                                             );
 306                             if (thumbnail == null) {
 307                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 308                             }
 309                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 310                                     new ThumbnailsCacheManager.AsyncDrawable(
 311                                     mContext.getResources(),
 312                                     thumbnail,
 313                                     task
 314                                     );
 315                             fileIcon.setImageDrawable(asyncDrawable);
 316                             task.execute(file);
 317                         }
 318                     }
 319                 } else {
 320                     fileIcon.setImageResource(DisplayUtils.getFileTypeIconId(file.getMimetype(),
 321                             file.getFileName()));
 322                 }
 323
 324             } else {
 325                 // Folder
 326                 if (checkIfFileIsSharedWithMe(file)) {
 327                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 328                 } else if (file.isShareByLink()) {
 329                     // If folder is sharedByLink, icon folder must be changed to
 330                     // folder-public one
 331                     fileIcon.setImageResource(R.drawable.folder_public);
 332                 } else {
 333                     fileIcon.setImageResource(
 334                             DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName())
 335                     );
 336                 }
 337             }
 338         }
 339
 340         return view;
 341     }
 342
 343     /**
 344      * Local Folder size in human readable format
 345      *
 346      * @param path
 347      *            String
 348      * @return Size in human readable format
 349      */
 350     private String getFolderSizeHuman(String path) {
 351
 352         File dir = new File(path);
 353
 354         if (dir.exists()) {
 355             long bytes = FileStorageUtils.getFolderSize(dir);
 356             return DisplayUtils.bytesToHumanReadable(bytes);
 357         }
 358
 359         return "0 B";
 360     }
 361
 362     /**
 363      * Local Folder size
 364      * @param dir File
 365      * @return Size in bytes
 366      */
 367     private long getFolderSize(File dir) {
 368         if (dir.exists()) {
 369             long result = 0;
 370             File[] fileList = dir.listFiles();
 371             for(int i = 0; i < fileList.length; i++) {
 372                 if(fileList[i].isDirectory()) {
 373                     result += getFolderSize(fileList[i]);
 374                 } else {
 375                     result += fileList[i].length();
 376                 }
 377             }
 378             return result;
 379         }
 380         return 0;
 381     }
 382
 383     @Override
 384     public int getViewTypeCount() {
 385         return 1;
 386     }
 387
 388     @Override
 389     public boolean hasStableIds() {
 390         return true;
 391     }
 392
 393     @Override
 394     public boolean isEmpty() {
 395         return (mFiles == null || mFiles.isEmpty());
 396     }
 397
 398     /**
 399      * Change the adapted directory for a new one
 400      * @param directory                 New file to adapt. Can be NULL, meaning
 401      *                                  "no content to adapt".
 402      * @param updatedStorageManager     Optional updated storage manager; used to replace
 403      *                                  mStorageManager if is different (and not NULL)
 404      */
 405     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 406         mFile = directory;
 407         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 408             mStorageManager = updatedStorageManager;
 409             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 410         }
 411         if (mStorageManager != null) {
 412             mFiles = mStorageManager.getFolderContent(mFile);
 413             mFilesOrig.clear();
 414             mFilesOrig.addAll(mFiles);
 415
 416             if (mJustFolders) {
 417                 mFiles = getFolders(mFiles);
 418             }
 419         } else {
 420             mFiles = null;
 421         }
 422
 423         mFiles = FileStorageUtils.sortFolder(mFiles);
 424         notifyDataSetChanged();
 425     }
 426
 427
 428     /**
 429      * Filter for getting only the folders
 430      * @param files
 431      * @return Vector<OCFile>
 432      */
 433     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 434         Vector<OCFile> ret = new Vector<OCFile>();
 435         OCFile current = null;
 436         for (int i=0; i<files.size(); i++) {
 437             current = files.get(i);
 438             if (current.isFolder()) {
 439                 ret.add(current);
 440             }
 441         }
 442         return ret;
 443     }
 444
 445
 446     /**
 447      * Check if parent folder does not include 'S' permission and if file/folder
 448      * is shared with me
 449      *
 450      * @param file: OCFile
 451      * @return boolean: True if it is shared with me and false if it is not
 452      */
 453     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 454         return (mFile.getPermissions() != null
 455                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 456                 && file.getPermissions() != null
 457                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 458     }
 459
 460     public void setSortOrder(Integer order, boolean ascending) {
 461         SharedPreferences.Editor editor = mAppPreferences.edit();
 462         editor.putInt("sortOrder", order);
 463         editor.putBoolean("sortAscending", ascending);
 464         editor.commit();
 465
 466         FileStorageUtils.mSortOrder = order;
 467         FileStorageUtils.mSortAscending = ascending;
 468
 469
 470         mFiles = FileStorageUtils.sortFolder(mFiles);
 471         notifyDataSetChanged();
 472
 473     }
 474
 475     private CharSequence showRelativeTimestamp(OCFile file){
 476         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 477                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 478     }
 479
 480     public void setGridMode(boolean gridMode) {
 481         mGridMode = gridMode;
 482     }
 483 }