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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 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 import java.io.File;
  21 import java.util.Collections;
  22 import java.util.Comparator;
  23 import java.util.Vector;
  24
  25 import android.accounts.Account;
  26 import android.content.Context;
  27 import android.view.LayoutInflater;
  28 import android.view.View;
  29 import android.view.ViewGroup;
  30 import android.widget.BaseAdapter;
  31 import android.widget.ImageView;
  32 import android.widget.ListAdapter;
  33 import android.widget.ListView;
  34 import android.widget.TextView;
  35
  36 import com.owncloud.android.R;
  37 import com.owncloud.android.authentication.AccountUtils;
  38 import com.owncloud.android.datamodel.AlphanumComparator;
  39 import com.owncloud.android.datamodel.FileDataStorageManager;
  40 import com.owncloud.android.datamodel.OCFile;
  41 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  42 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  43 import com.owncloud.android.ui.activity.ComponentsGetter;
  44 import com.owncloud.android.utils.DisplayUtils;
  45 import com.owncloud.android.utils.FileStorageUtils;
  46 import com.owncloud.android.utils.Log_OC;
  47
  48
  49 /**
  50  * This Adapter populates a ListView with all files and folders in an ownCloud
  51  * instance.
  52  *
  53  * @author Bartek Przybylski
  54  *
  55  */
  56 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  57     private final static String PERMISSION_SHARED_WITH_ME = "S";
  58
  59     private Context mContext;
  60     private OCFile mFile = null;
  61     private Vector<OCFile> mFiles = null;
  62     private boolean mJustFolders;
  63
  64     private FileDataStorageManager mStorageManager;
  65     private Account mAccount;
  66     private ComponentsGetter mTransferServiceGetter;
  67     public enum sortOrders { NAME, DATE, SIZE }
  68     private sortOrders sort = sortOrders.NAME;
  69     private boolean sortAscending = true;
  70
  71     public FileListListAdapter(
  72             boolean justFolders,
  73             Context context,
  74             ComponentsGetter transferServiceGetter
  75             ) {
  76         mJustFolders = justFolders;
  77         mContext = context;
  78         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  79         mTransferServiceGetter = transferServiceGetter;
  80     }
  81
  82     @Override
  83     public boolean areAllItemsEnabled() {
  84         return true;
  85     }
  86
  87     @Override
  88     public boolean isEnabled(int position) {
  89         return true;
  90     }
  91
  92     @Override
  93     public int getCount() {
  94         return mFiles != null ? mFiles.size() : 0;
  95     }
  96
  97     @Override
  98     public Object getItem(int position) {
  99         if (mFiles == null || mFiles.size() <= position)
 100             return null;
 101         return mFiles.get(position);
 102     }
 103
 104     @Override
 105     public long getItemId(int position) {
 106         if (mFiles == null || mFiles.size() <= position)
 107             return 0;
 108         return mFiles.get(position).getFileId();
 109     }
 110
 111     @Override
 112     public int getItemViewType(int position) {
 113         return 0;
 114     }
 115
 116     @Override
 117     public View getView(int position, View convertView, ViewGroup parent) {
 118         View view = convertView;
 119         if (view == null) {
 120             LayoutInflater inflator = (LayoutInflater) mContext
 121                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 122             view = inflator.inflate(R.layout.list_item, null);
 123         }
 124
 125         if (mFiles != null && mFiles.size() > position) {
 126             OCFile file = mFiles.get(position);
 127             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 128             String name = file.getFileName();
 129
 130             fileName.setText(name);
 131             ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 132             ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 133             ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 134             sharedWithMeIconV.setVisibility(View.GONE);
 135
 136             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 137             localStateView.bringToFront();
 138             FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 139             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 140             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 141                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 142                 localStateView.setVisibility(View.VISIBLE);
 143             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 144                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 145                 localStateView.setVisibility(View.VISIBLE);
 146             } else if (file.isDown()) {
 147                 localStateView.setImageResource(R.drawable.local_file_indicator);
 148                 localStateView.setVisibility(View.VISIBLE);
 149             } else {
 150                 localStateView.setVisibility(View.INVISIBLE);
 151             }
 152
 153             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 154             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 155             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 156
 157             if (!file.isFolder()) {
 158                 fileSizeV.setVisibility(View.VISIBLE);
 159                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 160                 lastModV.setVisibility(View.VISIBLE);
 161                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 162                 // this if-else is needed even thoe fav icon is visible by default
 163                 // because android reuses views in listview
 164                 if (!file.keepInSync()) {
 165                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 166                 } else {
 167                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 168                 }
 169
 170                 ListView parentList = (ListView)parent;
 171                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 172                     checkBoxV.setVisibility(View.GONE);
 173                 } else {
 174                     if (parentList.isItemChecked(position)) {
 175                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 176                     } else {
 177                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 178                     }
 179                     checkBoxV.setVisibility(View.VISIBLE);
 180                 }
 181
 182                 fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 183
 184                 if (checkIfFileIsSharedWithMe(file)) {
 185                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 186                 }
 187             }
 188             else {
 189                 if (FileStorageUtils.getDefaultSavePathFor(mAccount.name, file) != null){
 190                     fileSizeV.setVisibility(View.VISIBLE);
 191                     fileSizeV.setText(getFolderSizeHuman(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file)));
 192                 } else {
 193                     fileSizeV.setVisibility(View.INVISIBLE);
 194                 }
 195
 196                 lastModV.setVisibility(View.VISIBLE);
 197                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 198                 checkBoxV.setVisibility(View.GONE);
 199                 view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 200
 201                 if (checkIfFileIsSharedWithMe(file)) {
 202                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 203                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 204                 } else {
 205                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 206                 }
 207
 208                 // If folder is sharedByLink, icon folder must be changed to
 209                 // folder-public one
 210                 if (file.isShareByLink()) {
 211                     fileIcon.setImageResource(R.drawable.folder_public);
 212                 }
 213             }
 214
 215             if (file.isShareByLink()) {
 216                 sharedIconV.setVisibility(View.VISIBLE);
 217             } else {
 218                 sharedIconV.setVisibility(View.GONE);
 219             }
 220         }
 221
 222         return view;
 223     }
 224
 225     /**
 226      * Local Folder size in human readable format
 227      * @param path String
 228      * @return Size in human readable format
 229      */
 230     private String getFolderSizeHuman(String path) {
 231
 232         File dir = new File(path);
 233
 234         if(dir.exists()) {
 235             long bytes = getFolderSize(dir);
 236             if (bytes < 1024) return bytes + " B";
 237             int exp = (int) (Math.log(bytes) / Math.log(1024));
 238             String pre = ("KMGTPE").charAt(exp-1) + "";
 239
 240             return String.format("%.1f %sB", bytes / Math.pow(1024, exp), pre);
 241         }
 242
 243         return "0 B";
 244     }
 245
 246     /**
 247      * Local Folder size
 248      * @param dir File
 249      * @return Size in bytes
 250      */
 251     private long getFolderSize(File dir) {
 252         if (dir.exists()) {
 253             long result = 0;
 254             File[] fileList = dir.listFiles();
 255             for(int i = 0; i < fileList.length; i++) {
 256                 if(fileList[i].isDirectory()) {
 257                     result += getFolderSize(fileList[i]);
 258                 } else {
 259                     result += fileList[i].length();
 260                 }
 261             }
 262             return result;
 263         }
 264         return 0;
 265     }
 266
 267     @Override
 268     public int getViewTypeCount() {
 269         return 1;
 270     }
 271
 272     @Override
 273     public boolean hasStableIds() {
 274         return true;
 275     }
 276
 277     @Override
 278     public boolean isEmpty() {
 279         return (mFiles == null || mFiles.isEmpty());
 280     }
 281
 282     /**
 283      * Change the adapted directory for a new one
 284      * @param directory                 New file to adapt. Can be NULL, meaning "no content to adapt".
 285      * @param updatedStorageManager     Optional updated storage manager; used to replace mStorageManager if is different (and not NULL)
 286      */
 287     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 288         mFile = directory;
 289         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 290             mStorageManager = updatedStorageManager;
 291             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 292         }
 293         if (mStorageManager != null) {
 294             mFiles = mStorageManager.getFolderContent(mFile);
 295             if (mJustFolders) {
 296                 mFiles = getFolders(mFiles);
 297             }
 298         } else {
 299             mFiles = null;
 300         }
 301
 302         sortDirectory();
 303     }
 304
 305     /**
 306      * Sorts all filenames, regarding last user decision
 307      */
 308     private void sortDirectory(){
 309         switch (sort){
 310         case NAME:
 311             sortByName(sortAscending);
 312             break;
 313
 314         case SIZE:
 315             sortBySize(sortAscending);
 316             break;
 317
 318         case DATE:
 319             sortByDate(sortAscending);
 320             break;
 321         }
 322
 323         notifyDataSetChanged();
 324     }
 325
 326
 327     /**
 328      * Filter for getting only the folders
 329      * @param files
 330      * @return Vector<OCFile>
 331      */
 332     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 333         Vector<OCFile> ret = new Vector<OCFile>();
 334         OCFile current = null;
 335         for (int i=0; i<files.size(); i++) {
 336             current = files.get(i);
 337             if (current.isFolder()) {
 338                 ret.add(current);
 339             }
 340         }
 341         return ret;
 342     }
 343
 344
 345     /**
 346      * Check if parent folder does not include 'S' permission and if file/folder
 347      * is shared with me
 348      *
 349      * @param file: OCFile
 350      * @return boolean: True if it is shared with me and false if it is not
 351      */
 352     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 353         return (mFile.getPermissions() != null && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 354                 && file.getPermissions() != null && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 355     }
 356
 357     /**
 358      * Sorts list by Date
 359      * @param sortAscending true: ascending, false: descending
 360      */
 361     private void sortByDate(boolean sortAscending){
 362         final Integer val;
 363         if (sortAscending){
 364             val = 1;
 365         } else {
 366             val = -1;
 367         }
 368
 369         Collections.sort(mFiles, new Comparator<OCFile>() {
 370             public int compare(OCFile o1, OCFile o2) {
 371                 if (o1.isFolder() && o2.isFolder()) {
 372                     return val * Long.compare(o1.getModificationTimestamp(), o2.getModificationTimestamp());
 373                 }
 374                 else if (o1.isFolder()) {
 375                     return -1;
 376                 } else if (o2.isFolder()) {
 377                     return 1;
 378                 } else if (o1.getModificationTimestamp() == 0 || o2.getModificationTimestamp() == 0){
 379                     return 0;
 380                 } else {
 381                     return val * Long.compare(o1.getModificationTimestamp(), o2.getModificationTimestamp());
 382                 }
 383             }
 384         });
 385     }
 386
 387     /**
 388      * Sorts list by Size
 389      * @param sortAscending true: ascending, false: descending
 390      */
 391     private void sortBySize(boolean sortAscending){
 392         final Integer val;
 393         if (sortAscending){
 394             val = 1;
 395         } else {
 396             val = -1;
 397         }
 398
 399         Collections.sort(mFiles, new Comparator<OCFile>() {
 400             public int compare(OCFile o1, OCFile o2) {
 401                 if (o1.isFolder() && o2.isFolder()) {
 402                     return val * Long.compare(getFolderSize(new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, o1))),
 403                                               getFolderSize(new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, o2))));
 404                 }
 405                 else if (o1.isFolder()) {
 406                     return -1;
 407                 } else if (o2.isFolder()) {
 408                     return 1;
 409                 } else if (o1.getFileLength() == 0 || o2.getFileLength() == 0){
 410                     return 0;
 411                 } else {
 412                     return val * Long.compare(o1.getFileLength(), o2.getFileLength());
 413                 }
 414             }
 415         });
 416     }
 417
 418     /**
 419      * Sorts list by Name
 420      * @param sortAscending true: ascending, false: descending
 421      */
 422     private void sortByName(boolean sortAscending){
 423         final Integer val;
 424         if (sortAscending){
 425             val = 1;
 426         } else {
 427             val = -1;
 428         }
 429
 430         Collections.sort(mFiles, new Comparator<OCFile>() {
 431             public int compare(OCFile o1, OCFile o2) {
 432                 if (o1.isFolder() && o2.isFolder()) {
 433                     return val * o1.getRemotePath().toLowerCase().compareTo(o2.getRemotePath().toLowerCase());
 434                 } else if (o1.isFolder()) {
 435                     return -1;
 436                 } else if (o2.isFolder()) {
 437                     return 1;
 438                 }
 439                 return val * new AlphanumComparator().compare(o1, o2);
 440             }
 441         });
 442     }
 443
 444     public void setSortOrder(sortOrders order, boolean descending) {
 445         sort = order;
 446         sortAscending = descending;
 447
 448         sortDirectory();
 449     }
 450 }