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