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 third_parties.daveKoeller.AlphanumComparator;
  26 import android.accounts.Account;
  27 import android.content.Context;
  28 import android.content.SharedPreferences;
  29 import android.preference.PreferenceManager;
  30 import android.view.LayoutInflater;
  31 import android.view.View;
  32 import android.view.ViewGroup;
  33 import android.widget.BaseAdapter;
  34 import android.widget.ImageView;
  35 import android.widget.ListAdapter;
  36 import android.widget.ListView;
  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.files.services.FileDownloader.FileDownloaderBinder;
  44 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  45 import com.owncloud.android.ui.activity.ComponentsGetter;
  46 import com.owncloud.android.utils.DisplayUtils;
  47 import com.owncloud.android.utils.FileStorageUtils;
  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 final Context mContext;
  60         private OCFile mFile = null;
  61         private Vector<OCFile> mFiles = null;
  62         private final boolean mJustFolders;
  63
  64         private FileDataStorageManager mStorageManager;
  65         private Account mAccount;
  66         private final ComponentsGetter mTransferServiceGetter;
  67         private Integer mSortOrder;
  68         public static final Integer mSortName = 0;
  69         public static final Integer mSortDate = 1;
  70         public static final Integer mSortSize = 2;
  71         private Boolean mSortAscending;
  72         private final SharedPreferences mAppPreferences;
  73
  74         public FileListListAdapter(boolean justFolders, Context context, ComponentsGetter transferServiceGetter) {
  75                 mJustFolders = justFolders;
  76                 mContext = context;
  77                 mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  78                 mTransferServiceGetter = transferServiceGetter;
  79
  80                 mAppPreferences = PreferenceManager.getDefaultSharedPreferences(mContext);
  81
  82                 // Read sorting order, default to sort by name ascending
  83                 mSortOrder = mAppPreferences.getInt("sortOrder", mSortName);
  84                 mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
  85
  86         }
  87
  88         @Override
  89         public boolean areAllItemsEnabled() {
  90                 return true;
  91         }
  92
  93         @Override
  94         public boolean isEnabled(int position) {
  95                 return true;
  96         }
  97
  98         @Override
  99         public int getCount() {
 100                 return mFiles != null ? mFiles.size() : 0;
 101         }
 102
 103         @Override
 104         public Object getItem(int position) {
 105                 if (mFiles == null || mFiles.size() <= position)
 106                         return null;
 107                 return mFiles.get(position);
 108         }
 109
 110         @Override
 111         public long getItemId(int position) {
 112                 if (mFiles == null || mFiles.size() <= position)
 113                         return 0;
 114                 return mFiles.get(position).getFileId();
 115         }
 116
 117         @Override
 118         public int getItemViewType(int position) {
 119                 return 0;
 120         }
 121
 122         @Override
 123         public View getView(int position, View convertView, ViewGroup parent) {
 124                 View view = convertView;
 125                 if (view == null) {
 126                         LayoutInflater inflator = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 127                         view = inflator.inflate(R.layout.list_item, null);
 128                 }
 129
 130                 if (mFiles != null && mFiles.size() > position) {
 131                         OCFile file = mFiles.get(position);
 132                         TextView fileName = (TextView) view.findViewById(R.id.Filename);
 133                         String name = file.getFileName();
 134
 135                         fileName.setText(name);
 136                         ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 137                         ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 138                         ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 139                         sharedWithMeIconV.setVisibility(View.GONE);
 140
 141                         ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 142                         localStateView.bringToFront();
 143                         FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 144                         FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 145                         if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 146                                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 147                                 localStateView.setVisibility(View.VISIBLE);
 148                         } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 149                                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 150                                 localStateView.setVisibility(View.VISIBLE);
 151                         } else if (file.isDown()) {
 152                                 localStateView.setImageResource(R.drawable.local_file_indicator);
 153                                 localStateView.setVisibility(View.VISIBLE);
 154                         } else {
 155                                 localStateView.setVisibility(View.INVISIBLE);
 156                         }
 157
 158                         TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 159                         TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 160                         ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 161
 162                         if (!file.isFolder()) {
 163                                 fileSizeV.setVisibility(View.VISIBLE);
 164                                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 165                                 lastModV.setVisibility(View.VISIBLE);
 166                                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 167                                 // this if-else is needed even thoe fav icon is visible by
 168                                 // default
 169                                 // because android reuses views in listview
 170                                 if (!file.keepInSync()) {
 171                                         view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 172                                 } else {
 173                                         view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 174                                 }
 175
 176                                 ListView parentList = (ListView) parent;
 177                                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 178                                         checkBoxV.setVisibility(View.GONE);
 179                                 } else {
 180                                         if (parentList.isItemChecked(position)) {
 181                                                 checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 182                                         } else {
 183                                                 checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 184                                         }
 185                                         checkBoxV.setVisibility(View.VISIBLE);
 186                                 }
 187
 188                                 fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 189
 190                                 if (checkIfFileIsSharedWithMe(file)) {
 191                                         sharedWithMeIconV.setVisibility(View.VISIBLE);
 192                                 }
 193                         } else {
 194                                 // TODO Re-enable when server supports folder-size calculation
 195                                 // if (FileStorageUtils.getDefaultSavePathFor(mAccount.name,
 196                                 // file) != null) {
 197                                 // fileSizeV.setVisibility(View.VISIBLE);
 198                                 // fileSizeV
 199                                 // .setText(getFolderSizeHuman(FileStorageUtils.getDefaultSavePathFor(mAccount.name,
 200                                 // file)));
 201                                 // } else {
 202                                 fileSizeV.setVisibility(View.INVISIBLE);
 203                                 // }
 204
 205                                 lastModV.setVisibility(View.VISIBLE);
 206                                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 207                                 checkBoxV.setVisibility(View.GONE);
 208                                 view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 209
 210                                 if (checkIfFileIsSharedWithMe(file)) {
 211                                         fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 212                                         sharedWithMeIconV.setVisibility(View.VISIBLE);
 213                                 } else {
 214                                         fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 215                                 }
 216
 217                                 // If folder is sharedByLink, icon folder must be changed to
 218                                 // folder-public one
 219                                 if (file.isShareByLink()) {
 220                                         fileIcon.setImageResource(R.drawable.folder_public);
 221                                 }
 222                         }
 223
 224                         if (file.isShareByLink()) {
 225                                 sharedIconV.setVisibility(View.VISIBLE);
 226                         } else {
 227                                 sharedIconV.setVisibility(View.GONE);
 228                         }
 229                 }
 230
 231                 return view;
 232         }
 233
 234         /**
 235          * Local Folder size in human readable format
 236          *
 237          * @param path
 238          *            String
 239          * @return Size in human readable format
 240          */
 241         private String getFolderSizeHuman(String path) {
 242
 243                 File dir = new File(path);
 244
 245                 if (dir.exists()) {
 246                         long bytes = getFolderSize(dir);
 247                         return DisplayUtils.bytesToHumanReadable(bytes);
 248                 }
 249
 250                 return "0 B";
 251         }
 252
 253         /**
 254          * Local Folder size
 255          *
 256          * @param dir
 257          *            File
 258          * @return Size in bytes
 259          */
 260         private long getFolderSize(File dir) {
 261                 if (dir.exists()) {
 262                         long result = 0;
 263                         File[] fileList = dir.listFiles();
 264                         for (int i = 0; i < fileList.length; i++) {
 265                                 if (fileList[i].isDirectory()) {
 266                                         result += getFolderSize(fileList[i]);
 267                                 } else {
 268                                         result += fileList[i].length();
 269                                 }
 270                         }
 271                         return result;
 272                 }
 273                 return 0;
 274         }
 275
 276         @Override
 277         public int getViewTypeCount() {
 278                 return 1;
 279         }
 280
 281         @Override
 282         public boolean hasStableIds() {
 283                 return true;
 284         }
 285
 286         @Override
 287         public boolean isEmpty() {
 288                 return (mFiles == null || mFiles.isEmpty());
 289         }
 290
 291         /**
 292          * Change the adapted directory for a new one
 293          *
 294          * @param directory
 295          *            New file to adapt. Can be NULL, meaning "no content to adapt".
 296          * @param updatedStorageManager
 297          *            Optional updated storage manager; used to replace
 298          *            mStorageManager if is different (and not NULL)
 299          */
 300         public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 301                 mFile = directory;
 302                 if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 303                         mStorageManager = updatedStorageManager;
 304                         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 305                 }
 306                 if (mStorageManager != null) {
 307                         mFiles = mStorageManager.getFolderContent(mFile);
 308                         if (mJustFolders) {
 309                                 mFiles = getFolders(mFiles);
 310                         }
 311                 } else {
 312                         mFiles = null;
 313                 }
 314
 315                 sortDirectory();
 316         }
 317
 318         /**
 319          * Sorts all filenames, regarding last user decision
 320          */
 321         private void sortDirectory() {
 322                 switch (mSortOrder) {
 323                 case 0:
 324                         sortByName(mSortAscending);
 325                         break;
 326                 case 1:
 327                         sortByDate(mSortAscending);
 328                         break;
 329                 case 2:
 330                         sortBySize(mSortAscending);
 331                         break;
 332                 }
 333
 334                 notifyDataSetChanged();
 335         }
 336
 337         /**
 338          * Filter for getting only the folders
 339          *
 340          * @param files
 341          * @return Vector<OCFile>
 342          */
 343         public Vector<OCFile> getFolders(Vector<OCFile> files) {
 344                 Vector<OCFile> ret = new Vector<OCFile>();
 345                 OCFile current = null;
 346                 for (int i = 0; i < files.size(); i++) {
 347                         current = files.get(i);
 348                         if (current.isFolder()) {
 349                                 ret.add(current);
 350                         }
 351                 }
 352                 return ret;
 353         }
 354
 355         /**
 356          * Check if parent folder does not include 'S' permission and if file/folder
 357          * is shared with me
 358          *
 359          * @param file
 360          *            : OCFile
 361          * @return boolean: True if it is shared with me and false if it is not
 362          */
 363         private boolean checkIfFileIsSharedWithMe(OCFile file) {
 364                 return (mFile.getPermissions() != null && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 365                                 && file.getPermissions() != null && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 366         }
 367
 368         /**
 369          * Sorts list by Date
 370          *
 371          * @param sortAscending
 372          *            true: ascending, false: descending
 373          */
 374         private void sortByDate(boolean sortAscending) {
 375                 final Integer val;
 376                 if (sortAscending) {
 377                         val = 1;
 378                 } else {
 379                         val = -1;
 380                 }
 381
 382                 Collections.sort(mFiles, new Comparator<OCFile>() {
 383                         @Override
 384                         public int compare(OCFile o1, OCFile o2) {
 385                                 if (o1.isFolder() && o2.isFolder()) {
 386                                         return val * Long.compare(o1.getModificationTimestamp(), o2.getModificationTimestamp());
 387                                 } else if (o1.isFolder()) {
 388                                         return -1;
 389                                 } else if (o2.isFolder()) {
 390                                         return 1;
 391                                 } else if (o1.getModificationTimestamp() == 0 || o2.getModificationTimestamp() == 0) {
 392                                         return 0;
 393                                 } else {
 394                                         return val * Long.compare(o1.getModificationTimestamp(), o2.getModificationTimestamp());
 395                                 }
 396                         }
 397                 });
 398         }
 399
 400         /**
 401          * Sorts list by Size
 402          *
 403          * @param sortAscending
 404          *            true: ascending, false: descending
 405          */
 406         private void sortBySize(boolean sortAscending) {
 407                 final Integer val;
 408                 if (sortAscending) {
 409                         val = 1;
 410                 } else {
 411                         val = -1;
 412                 }
 413
 414                 Collections.sort(mFiles, new Comparator<OCFile>() {
 415                         @Override
 416                         public int compare(OCFile o1, OCFile o2) {
 417                                 if (o1.isFolder() && o2.isFolder()) {
 418                                         return val
 419                                                         * Long.compare(
 420                                                                         getFolderSize(new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, o1))),
 421                                                                         getFolderSize(new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, o2))));
 422                                 } else if (o1.isFolder()) {
 423                                         return -1;
 424                                 } else if (o2.isFolder()) {
 425                                         return 1;
 426                                 } else if (o1.getFileLength() == 0 || o2.getFileLength() == 0) {
 427                                         return 0;
 428                                 } else {
 429                                         return val * Long.compare(o1.getFileLength(), o2.getFileLength());
 430                                 }
 431                         }
 432                 });
 433         }
 434
 435         /**
 436          * Sorts list by Name
 437          *
 438          * @param sortAscending
 439          *            true: ascending, false: descending
 440          */
 441         private void sortByName(boolean sortAscending) {
 442                 final Integer val;
 443                 if (sortAscending) {
 444                         val = 1;
 445                 } else {
 446                         val = -1;
 447                 }
 448
 449                 Collections.sort(mFiles, new Comparator<OCFile>() {
 450                         @Override
 451                         public int compare(OCFile o1, OCFile o2) {
 452                                 if (o1.isFolder() && o2.isFolder()) {
 453                                         return val * o1.getRemotePath().toLowerCase().compareTo(o2.getRemotePath().toLowerCase());
 454                                 } else if (o1.isFolder()) {
 455                                         return -1;
 456                                 } else if (o2.isFolder()) {
 457                                         return 1;
 458                                 }
 459                                 return val * new AlphanumComparator().compare(o1, o2);
 460                         }
 461                 });
 462         }
 463
 464         public void setSortOrder(Integer order, boolean ascending) {
 465                 SharedPreferences.Editor editor = mAppPreferences.edit();
 466                 editor.putInt("sortOrder", order);
 467                 editor.putBoolean("sortAscending", ascending);
 468                 editor.commit();
 469
 470                 mSortOrder = order;
 471                 mSortAscending = ascending;
 472
 473                 sortDirectory();
 474         }
 475 }