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.preference.PreferenceManager;
  34 import android.text.format.DateUtils;
  35 import android.view.LayoutInflater;
  36 import android.view.View;
  37 import android.view.ViewGroup;
  38 import android.widget.AbsListView;
  39 import android.widget.BaseAdapter;
  40 import android.widget.GridView;
  41 import android.widget.ImageView;
  42 import android.widget.ListAdapter;
  43 import android.widget.TextView;
  44
  45 import com.owncloud.android.R;
  46 import com.owncloud.android.authentication.AccountUtils;
  47 import com.owncloud.android.datamodel.FileDataStorageManager;
  48 import com.owncloud.android.datamodel.OCFile;
  49 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  50 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  51 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  52 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  53 import com.owncloud.android.ui.activity.ComponentsGetter;
  54 import com.owncloud.android.utils.DisplayUtils;
  55 import com.owncloud.android.utils.FileStorageUtils;
  56
  57
  58 /**
  59  * This Adapter populates a ListView with all files and folders in an ownCloud
  60  * instance.
  61  */
  62 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  63     private final static String PERMISSION_SHARED_WITH_ME = "S";
  64
  65     private Context mContext;
  66     private OCFile mFile = null;
  67     private Vector<OCFile> mFiles = null;
  68     private Vector<OCFile> mFilesOrig = new Vector<OCFile>();
  69     private boolean mJustFolders;
  70
  71     private FileDataStorageManager mStorageManager;
  72     private Account mAccount;
  73     private ComponentsGetter mTransferServiceGetter;
  74     private boolean mGridMode;
  75
  76     private enum ViewType {LIST_ITEM, GRID_IMAGE, GRID_ITEM };
  77
  78     private SharedPreferences mAppPreferences;
  79
  80     public FileListListAdapter(
  81             boolean justFolders,
  82             Context context,
  83             ComponentsGetter transferServiceGetter
  84             ) {
  85
  86         mJustFolders = justFolders;
  87         mContext = context;
  88         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  89         mTransferServiceGetter = transferServiceGetter;
  90
  91         mAppPreferences = PreferenceManager
  92                 .getDefaultSharedPreferences(mContext);
  93
  94         // Read sorting order, default to sort by name ascending
  95         FileStorageUtils.mSortOrder = mAppPreferences.getInt("sortOrder", 0);
  96         FileStorageUtils.mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
  97
  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             fileIcon.setTag(file.getFileId());
 180             TextView fileName;
 181             String name;
 182
 183             switch (viewType){
 184                 case LIST_ITEM:
 185                     TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 186                     TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 187                     ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 188
 189                     lastModV.setVisibility(View.VISIBLE);
 190                     lastModV.setText(showRelativeTimestamp(file));
 191
 192                     checkBoxV.setVisibility(View.GONE);
 193
 194                     fileSizeV.setVisibility(View.VISIBLE);
 195                     fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 196
 197                     if (!file.isFolder()) {
 198                         AbsListView parentList = (AbsListView)parent;
 199                         if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 200                             checkBoxV.setVisibility(View.GONE);
 201                         } else {
 202                             if (parentList.isItemChecked(position)) {
 203                                 checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 204                             } else {
 205                                 checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 206                             }
 207                             checkBoxV.setVisibility(View.VISIBLE);
 208                         }
 209
 210                     } else { //Folder
 211                         fileSizeV.setVisibility(View.INVISIBLE);
 212                     }
 213
 214                 case GRID_ITEM:
 215                     // filename
 216                     fileName = (TextView) view.findViewById(R.id.Filename);
 217                     name = file.getFileName();
 218                     fileName.setText(name);
 219
 220                 case GRID_IMAGE:
 221                     // sharedIcon
 222                     ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 223                     if (file.isShareByLink()) {
 224                         sharedIconV.setVisibility(View.VISIBLE);
 225                         sharedIconV.bringToFront();
 226                     } else {
 227                         sharedIconV.setVisibility(View.GONE);
 228                     }
 229
 230                     // local state
 231                     ImageView localStateView = (ImageView) view.findViewById(R.id.localFileIndicator);
 232                     localStateView.bringToFront();
 233                     FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 234                     FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 235                     boolean downloading = (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file));
 236                     OperationsServiceBinder opsBinder = mTransferServiceGetter.getOperationsServiceBinder();
 237                     downloading |= (opsBinder != null && opsBinder.isSynchronizing(mAccount, file.getRemotePath()));
 238                     if (downloading) {
 239                         localStateView.setImageResource(R.drawable.downloading_file_indicator);
 240                         localStateView.setVisibility(View.VISIBLE);
 241                     } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 242                         localStateView.setImageResource(R.drawable.uploading_file_indicator);
 243                         localStateView.setVisibility(View.VISIBLE);
 244                     } else if (file.isDown()) {
 245                         localStateView.setImageResource(R.drawable.local_file_indicator);
 246                         localStateView.setVisibility(View.VISIBLE);
 247                     } else {
 248                         localStateView.setVisibility(View.INVISIBLE);
 249                     }
 250
 251                     // share with me icon
 252                     if (!file.isFolder()) {
 253                         ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 254                         sharedWithMeIconV.bringToFront();
 255                         if (checkIfFileIsSharedWithMe(file)) {
 256                             sharedWithMeIconV.setVisibility(View.VISIBLE);
 257                         } else {
 258                             sharedWithMeIconV.setVisibility(View.GONE);
 259                         }
 260                     }
 261
 262                     break;
 263             }
 264
 265             // For all Views
 266
 267             // this if-else is needed even though favorite icon is visible by default
 268             // because android reuses views in listview
 269             if (!file.keepInSync()) {
 270                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 271             } else {
 272                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 273             }
 274
 275             // No Folder
 276             if (!file.isFolder()) {
 277                 if (file.isImage() && file.getRemoteId() != null){
 278                     // Thumbnail in Cache?
 279                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 280                             String.valueOf(file.getRemoteId())
 281                             );
 282                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 283                         fileIcon.setImageBitmap(thumbnail);
 284                     } else {
 285                         // generate new Thumbnail
 286                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 287                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 288                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 289                                             fileIcon, mStorageManager, mAccount
 290                                             );
 291                             if (thumbnail == null) {
 292                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 293                             }
 294                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 295                                     new ThumbnailsCacheManager.AsyncDrawable(
 296                                     mContext.getResources(),
 297                                     thumbnail,
 298                                     task
 299                                     );
 300                             fileIcon.setImageDrawable(asyncDrawable);
 301                             task.execute(file);
 302                         }
 303                     }
 304                 } else {
 305                     fileIcon.setImageResource(DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName()));
 306                 }
 307             } else {
 308                 // Folder
 309                 if (checkIfFileIsSharedWithMe(file)) {
 310                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 311                 } else if (file.isShareByLink()) {
 312                     // If folder is sharedByLink, icon folder must be changed to
 313                     // folder-public one
 314                     fileIcon.setImageResource(R.drawable.folder_public);
 315                 } else {
 316                     fileIcon.setImageResource(
 317                             DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName())
 318                     );
 319                 }
 320             }
 321         }
 322
 323         return view;
 324     }
 325
 326     /**
 327      * Local Folder size in human readable format
 328      *
 329      * @param path
 330      *            String
 331      * @return Size in human readable format
 332      */
 333     private String getFolderSizeHuman(String path) {
 334
 335         File dir = new File(path);
 336
 337         if (dir.exists()) {
 338             long bytes = FileStorageUtils.getFolderSize(dir);
 339             return DisplayUtils.bytesToHumanReadable(bytes);
 340         }
 341
 342         return "0 B";
 343     }
 344
 345     /**
 346      * Local Folder size
 347      * @param dir File
 348      * @return Size in bytes
 349      */
 350     private long getFolderSize(File dir) {
 351         if (dir.exists()) {
 352             long result = 0;
 353             File[] fileList = dir.listFiles();
 354             for(int i = 0; i < fileList.length; i++) {
 355                 if(fileList[i].isDirectory()) {
 356                     result += getFolderSize(fileList[i]);
 357                 } else {
 358                     result += fileList[i].length();
 359                 }
 360             }
 361             return result;
 362         }
 363         return 0;
 364     }
 365
 366     @Override
 367     public int getViewTypeCount() {
 368         return 1;
 369     }
 370
 371     @Override
 372     public boolean hasStableIds() {
 373         return true;
 374     }
 375
 376     @Override
 377     public boolean isEmpty() {
 378         return (mFiles == null || mFiles.isEmpty());
 379     }
 380
 381     /**
 382      * Change the adapted directory for a new one
 383      * @param directory                 New file to adapt. Can be NULL, meaning
 384      *                                  "no content to adapt".
 385      * @param updatedStorageManager     Optional updated storage manager; used to replace
 386      *                                  mStorageManager if is different (and not NULL)
 387      */
 388     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 389         mFile = directory;
 390         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 391             mStorageManager = updatedStorageManager;
 392             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 393         }
 394         if (mStorageManager != null) {
 395             mFiles = mStorageManager.getFolderContent(mFile);
 396             mFilesOrig.clear();
 397             mFilesOrig.addAll(mFiles);
 398
 399             if (mJustFolders) {
 400                 mFiles = getFolders(mFiles);
 401             }
 402         } else {
 403             mFiles = null;
 404         }
 405
 406         mFiles = FileStorageUtils.sortFolder(mFiles);
 407         notifyDataSetChanged();
 408     }
 409
 410
 411     /**
 412      * Filter for getting only the folders
 413      * @param files
 414      * @return Vector<OCFile>
 415      */
 416     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 417         Vector<OCFile> ret = new Vector<OCFile>();
 418         OCFile current = null;
 419         for (int i=0; i<files.size(); i++) {
 420             current = files.get(i);
 421             if (current.isFolder()) {
 422                 ret.add(current);
 423             }
 424         }
 425         return ret;
 426     }
 427
 428
 429     /**
 430      * Check if parent folder does not include 'S' permission and if file/folder
 431      * is shared with me
 432      *
 433      * @param file: OCFile
 434      * @return boolean: True if it is shared with me and false if it is not
 435      */
 436     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 437         return (mFile.getPermissions() != null
 438                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 439                 && file.getPermissions() != null
 440                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 441     }
 442
 443     public void setSortOrder(Integer order, boolean ascending) {
 444         SharedPreferences.Editor editor = mAppPreferences.edit();
 445         editor.putInt("sortOrder", order);
 446         editor.putBoolean("sortAscending", ascending);
 447         editor.commit();
 448
 449         FileStorageUtils.mSortOrder = order;
 450         FileStorageUtils.mSortAscending = ascending;
 451
 452
 453         mFiles = FileStorageUtils.sortFolder(mFiles);
 454         notifyDataSetChanged();
 455
 456     }
 457
 458     private CharSequence showRelativeTimestamp(OCFile file){
 459         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 460                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 461     }
 462
 463     public void setGridMode(boolean gridMode) {
 464         mGridMode = gridMode;
 465     }
 466 }