src/com/owncloud/android/ui/adapter/FileListListAdapter.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2015 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18 package com.owncloud.android.ui.adapter;
  19
  20
  21 import java.io.File;
  22 import java.util.Vector;
  23
  24 import android.accounts.Account;
  25 import android.content.Context;
  26 import android.content.SharedPreferences;
  27 import android.graphics.Bitmap;
  28 import android.preference.PreferenceManager;
  29 import android.text.format.DateUtils;
  30 import android.view.LayoutInflater;
  31 import android.view.View;
  32 import android.view.ViewGroup;
  33 import android.widget.AbsListView;
  34 import android.widget.BaseAdapter;
  35 import android.widget.GridView;
  36 import android.widget.ImageView;
  37 import android.widget.ListAdapter;
  38 import android.widget.TextView;
  39
  40 import com.owncloud.android.R;
  41 import com.owncloud.android.authentication.AccountUtils;
  42 import com.owncloud.android.datamodel.FileDataStorageManager;
  43 import com.owncloud.android.datamodel.OCFile;
  44 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  45 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  46 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  47 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  48 import com.owncloud.android.ui.activity.ComponentsGetter;
  49 import com.owncloud.android.utils.DisplayUtils;
  50 import com.owncloud.android.utils.FileStorageUtils;
  51
  52
  53 /**
  54  * This Adapter populates a ListView with all files and folders in an ownCloud
  55  * instance.
  56  *
  57  * @author Bartek Przybylski
  58  * @author Tobias Kaminsky
  59  * @author David A. Velasco
  60  */
  61 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  62     private final static String PERMISSION_SHARED_WITH_ME = "S";
  63
  64     private Context mContext;
  65     private OCFile mFile = null;
  66     private Vector<OCFile> mFiles = null;
  67     private Vector<OCFile> mFilesOrig = new Vector<OCFile>();
  68     private boolean mJustFolders;
  69
  70     private FileDataStorageManager mStorageManager;
  71     private Account mAccount;
  72     private ComponentsGetter mTransferServiceGetter;
  73     private boolean mGridMode;
  74
  75     private enum ViewType {LIST_ITEM, GRID_IMAGE, GRID_ITEM };
  76
  77     private SharedPreferences mAppPreferences;
  78
  79     public FileListListAdapter(
  80             boolean justFolders,
  81             Context context,
  82             ComponentsGetter transferServiceGetter
  83             ) {
  84
  85         mJustFolders = justFolders;
  86         mContext = context;
  87         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  88         mTransferServiceGetter = transferServiceGetter;
  89
  90         mAppPreferences = PreferenceManager
  91                 .getDefaultSharedPreferences(mContext);
  92
  93         // Read sorting order, default to sort by name ascending
  94         FileStorageUtils.mSortOrder = mAppPreferences.getInt("sortOrder", 0);
  95         FileStorageUtils.mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
  96
  97
  98         // initialise thumbnails cache on background thread
  99         new ThumbnailsCacheManager.InitDiskCacheTask().execute();
 100
 101         mGridMode = false;
 102     }
 103
 104     @Override
 105     public boolean areAllItemsEnabled() {
 106         return true;
 107     }
 108
 109     @Override
 110     public boolean isEnabled(int position) {
 111         return true;
 112     }
 113
 114     @Override
 115     public int getCount() {
 116         return mFiles != null ? mFiles.size() : 0;
 117     }
 118
 119     @Override
 120     public Object getItem(int position) {
 121         if (mFiles == null || mFiles.size() <= position)
 122             return null;
 123         return mFiles.get(position);
 124     }
 125
 126     @Override
 127     public long getItemId(int position) {
 128         if (mFiles == null || mFiles.size() <= position)
 129             return 0;
 130         return mFiles.get(position).getFileId();
 131     }
 132
 133     @Override
 134     public int getItemViewType(int position) {
 135         return 0;
 136     }
 137
 138     @Override
 139     public View getView(int position, View convertView, ViewGroup parent) {
 140
 141         View view = convertView;
 142         OCFile file = null;
 143         LayoutInflater inflator = (LayoutInflater) mContext
 144                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 145
 146         if (mFiles != null && mFiles.size() > position) {
 147             file = mFiles.get(position);
 148         }
 149
 150         // Find out which layout should be displayed
 151         ViewType viewType;
 152         if (!mGridMode){
 153             viewType = ViewType.LIST_ITEM;
 154         } else if (file.isImage()){
 155             viewType = ViewType.GRID_IMAGE;
 156         } else {
 157             viewType = ViewType.GRID_ITEM;
 158         }
 159
 160         // Create View
 161         switch (viewType){
 162             case GRID_IMAGE:
 163                 view = inflator.inflate(R.layout.grid_image, null);
 164                 break;
 165             case GRID_ITEM:
 166                 view = inflator.inflate(R.layout.grid_item, null);
 167                 break;
 168             case LIST_ITEM:
 169                 view = inflator.inflate(R.layout.list_item, null);
 170                 break;
 171         }
 172
 173         view.invalidate();
 174
 175         if (file != null){
 176
 177             ImageView fileIcon = (ImageView) view.findViewById(R.id.thumbnail);
 178             fileIcon.setTag(file.getFileId());
 179             TextView fileName;
 180             String name;
 181
 182             switch (viewType){
 183                 case LIST_ITEM:
 184                     TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 185                     TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 186                     ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 187
 188                     lastModV.setVisibility(View.VISIBLE);
 189                     lastModV.setText(showRelativeTimestamp(file));
 190
 191                     checkBoxV.setVisibility(View.GONE);
 192
 193                     fileSizeV.setVisibility(View.VISIBLE);
 194                     fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 195
 196                     if (!file.isFolder()) {
 197                         AbsListView parentList = (AbsListView)parent;
 198                         if (parentList.getChoiceMode() == AbsListView.CHOICE_MODE_NONE) {
 199                             checkBoxV.setVisibility(View.GONE);
 200                         } else {
 201                             if (parentList.isItemChecked(position)) {
 202                                 checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 203                             } else {
 204                                 checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 205                             }
 206                             checkBoxV.setVisibility(View.VISIBLE);
 207                         }
 208
 209                     } else { //Folder
 210                         fileSizeV.setVisibility(View.INVISIBLE);
 211                     }
 212
 213                 case GRID_ITEM:
 214                     // filename
 215                     fileName = (TextView) view.findViewById(R.id.Filename);
 216                     name = file.getFileName();
 217                     fileName.setText(name);
 218
 219                 case GRID_IMAGE:
 220                     // sharedIcon
 221                     ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 222                     if (file.isShareByLink()) {
 223                         sharedIconV.setVisibility(View.VISIBLE);
 224                         sharedIconV.bringToFront();
 225                     } else {
 226                         sharedIconV.setVisibility(View.GONE);
 227                     }
 228
 229                     // local state
 230                     ImageView localStateView = (ImageView) view.findViewById(R.id.localFileIndicator);
 231                     localStateView.bringToFront();
 232                     FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 233                     FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 234                     boolean downloading = (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file));
 235                     OperationsServiceBinder opsBinder = mTransferServiceGetter.getOperationsServiceBinder();
 236                     downloading |= (opsBinder != null && opsBinder.isSynchronizing(mAccount, file.getRemotePath()));
 237                     if (downloading) {
 238                         localStateView.setImageResource(R.drawable.downloading_file_indicator);
 239                         localStateView.setVisibility(View.VISIBLE);
 240                     } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 241                         localStateView.setImageResource(R.drawable.uploading_file_indicator);
 242                         localStateView.setVisibility(View.VISIBLE);
 243                     } else if (file.isDown()) {
 244                         localStateView.setImageResource(R.drawable.local_file_indicator);
 245                         localStateView.setVisibility(View.VISIBLE);
 246                     } else {
 247                         localStateView.setVisibility(View.INVISIBLE);
 248                     }
 249
 250                     // share with me icon
 251                     if (!file.isFolder()) {
 252                         ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 253                         sharedWithMeIconV.bringToFront();
 254                         if (checkIfFileIsSharedWithMe(file)) {
 255                             sharedWithMeIconV.setVisibility(View.VISIBLE);
 256                         } else {
 257                             sharedWithMeIconV.setVisibility(View.GONE);
 258                         }
 259                     }
 260
 261                     break;
 262             }
 263
 264             // For all Views
 265
 266             // this if-else is needed even though favorite icon is visible by default
 267             // because android reuses views in listview
 268             if (!file.keepInSync()) {
 269                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 270             } else {
 271                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 272             }
 273
 274             // No Folder
 275             if (!file.isFolder()) {
 276                 if (file.isImage() && file.getRemoteId() != null){
 277                     // Thumbnail in Cache?
 278                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 279                             String.valueOf(file.getRemoteId())
 280                             );
 281                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 282                         fileIcon.setImageBitmap(thumbnail);
 283                     } else {
 284                         // generate new Thumbnail
 285                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 286                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 287                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 288                                             fileIcon, mStorageManager, mAccount
 289                                             );
 290                             if (thumbnail == null) {
 291                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 292                             }
 293                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 294                                     new ThumbnailsCacheManager.AsyncDrawable(
 295                                     mContext.getResources(),
 296                                     thumbnail,
 297                                     task
 298                                     );
 299                             fileIcon.setImageDrawable(asyncDrawable);
 300                             task.execute(file);
 301                         }
 302                     }
 303                 } else {
 304                     fileIcon.setImageResource(DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName()));
 305                 }
 306             } else {
 307                 // Folder
 308                 if (checkIfFileIsSharedWithMe(file)) {
 309                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 310                 } else if (file.isShareByLink()) {
 311                     // If folder is sharedByLink, icon folder must be changed to
 312                     // folder-public one
 313                     fileIcon.setImageResource(R.drawable.folder_public);
 314                 } else {
 315                     fileIcon.setImageResource(
 316                             DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName())
 317                     );
 318                 }
 319             }
 320         }
 321
 322         return view;
 323     }
 324
 325     /**
 326      * Local Folder size in human readable format
 327      *
 328      * @param path
 329      *            String
 330      * @return Size in human readable format
 331      */
 332     private String getFolderSizeHuman(String path) {
 333
 334         File dir = new File(path);
 335
 336         if (dir.exists()) {
 337             long bytes = FileStorageUtils.getFolderSize(dir);
 338             return DisplayUtils.bytesToHumanReadable(bytes);
 339         }
 340
 341         return "0 B";
 342     }
 343
 344     /**
 345      * Local Folder size
 346      * @param dir File
 347      * @return Size in bytes
 348      */
 349     private long getFolderSize(File dir) {
 350         if (dir.exists()) {
 351             long result = 0;
 352             File[] fileList = dir.listFiles();
 353             for(int i = 0; i < fileList.length; i++) {
 354                 if(fileList[i].isDirectory()) {
 355                     result += getFolderSize(fileList[i]);
 356                 } else {
 357                     result += fileList[i].length();
 358                 }
 359             }
 360             return result;
 361         }
 362         return 0;
 363     }
 364
 365     @Override
 366     public int getViewTypeCount() {
 367         return 1;
 368     }
 369
 370     @Override
 371     public boolean hasStableIds() {
 372         return true;
 373     }
 374
 375     @Override
 376     public boolean isEmpty() {
 377         return (mFiles == null || mFiles.isEmpty());
 378     }
 379
 380     /**
 381      * Change the adapted directory for a new one
 382      * @param directory                 New file to adapt. Can be NULL, meaning
 383      *                                  "no content to adapt".
 384      * @param updatedStorageManager     Optional updated storage manager; used to replace
 385      *                                  mStorageManager if is different (and not NULL)
 386      */
 387     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 388         mFile = directory;
 389         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 390             mStorageManager = updatedStorageManager;
 391             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 392         }
 393         if (mStorageManager != null) {
 394             mFiles = mStorageManager.getFolderContent(mFile);
 395             mFilesOrig.clear();
 396             mFilesOrig.addAll(mFiles);
 397
 398             if (mJustFolders) {
 399                 mFiles = getFolders(mFiles);
 400             }
 401         } else {
 402             mFiles = null;
 403         }
 404
 405         mFiles = FileStorageUtils.sortFolder(mFiles);
 406         notifyDataSetChanged();
 407     }
 408
 409
 410     /**
 411      * Filter for getting only the folders
 412      * @param files
 413      * @return Vector<OCFile>
 414      */
 415     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 416         Vector<OCFile> ret = new Vector<OCFile>();
 417         OCFile current = null;
 418         for (int i=0; i<files.size(); i++) {
 419             current = files.get(i);
 420             if (current.isFolder()) {
 421                 ret.add(current);
 422             }
 423         }
 424         return ret;
 425     }
 426
 427
 428     /**
 429      * Check if parent folder does not include 'S' permission and if file/folder
 430      * is shared with me
 431      *
 432      * @param file: OCFile
 433      * @return boolean: True if it is shared with me and false if it is not
 434      */
 435     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 436         return (mFile.getPermissions() != null
 437                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 438                 && file.getPermissions() != null
 439                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 440     }
 441
 442     public void setSortOrder(Integer order, boolean ascending) {
 443         SharedPreferences.Editor editor = mAppPreferences.edit();
 444         editor.putInt("sortOrder", order);
 445         editor.putBoolean("sortAscending", ascending);
 446         editor.commit();
 447
 448         FileStorageUtils.mSortOrder = order;
 449         FileStorageUtils.mSortAscending = ascending;
 450
 451
 452         mFiles = FileStorageUtils.sortFolder(mFiles);
 453         notifyDataSetChanged();
 454
 455     }
 456
 457     private CharSequence showRelativeTimestamp(OCFile file){
 458         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 459                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 460     }
 461
 462     public void setGridMode(boolean gridMode) {
 463         mGridMode = gridMode;
 464     }
 465 }