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
  21 import java.io.File;
  22 import java.util.Collections;
  23 import java.util.Comparator;
  24 import java.util.Vector;
  25
  26 import third_parties.daveKoeller.AlphanumComparator;
  27 import android.accounts.Account;
  28 import android.content.Context;
  29 import android.content.SharedPreferences;
  30 import android.graphics.Bitmap;
  31 import android.preference.PreferenceManager;
  32 import android.text.format.DateUtils;
  33 import android.view.LayoutInflater;
  34 import android.view.View;
  35 import android.view.ViewGroup;
  36 import android.widget.BaseAdapter;
  37 import android.widget.ImageView;
  38 import android.widget.ListAdapter;
  39 import android.widget.ListView;
  40 import android.widget.TextView;
  41
  42 import com.owncloud.android.R;
  43 import com.owncloud.android.authentication.AccountUtils;
  44 import com.owncloud.android.datamodel.FileDataStorageManager;
  45 import com.owncloud.android.datamodel.OCFile;
  46 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  47 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  48 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  49 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  50 import com.owncloud.android.ui.activity.ComponentsGetter;
  51 import com.owncloud.android.utils.DisplayUtils;
  52 import com.owncloud.android.utils.FileStorageUtils;
  53
  54
  55 /**
  56  * This Adapter populates a ListView with all files and folders in an ownCloud
  57  * instance.
  58  *
  59  * @author Bartek Przybylski
  60  * @author Tobias Kaminsky
  61  * @author David A. Velasco
  62  */
  63 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  64     private final static String PERMISSION_SHARED_WITH_ME = "S";
  65
  66     private Context mContext;
  67     private OCFile mFile = null;
  68     private Vector<OCFile> mFiles = null;
  69     private boolean mJustFolders;
  70
  71     private FileDataStorageManager mStorageManager;
  72     private Account mAccount;
  73     private ComponentsGetter mTransferServiceGetter;
  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
  87         mTransferServiceGetter = transferServiceGetter;
  88
  89         mAppPreferences = PreferenceManager
  90                 .getDefaultSharedPreferences(mContext);
  91
  92         // Read sorting order, default to sort by name ascending
  93         FileStorageUtils.mSortOrder = mAppPreferences.getInt("sortOrder", 0);
  94         FileStorageUtils.mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
  95
  96
  97         // initialise thumbnails cache on background thread
  98         new ThumbnailsCacheManager.InitDiskCacheTask().execute();
  99
 100     }
 101
 102     @Override
 103     public boolean areAllItemsEnabled() {
 104         return true;
 105     }
 106
 107     @Override
 108     public boolean isEnabled(int position) {
 109         return true;
 110     }
 111
 112     @Override
 113     public int getCount() {
 114         return mFiles != null ? mFiles.size() : 0;
 115     }
 116
 117     @Override
 118     public Object getItem(int position) {
 119         if (mFiles == null || mFiles.size() <= position)
 120             return null;
 121         return mFiles.get(position);
 122     }
 123
 124     @Override
 125     public long getItemId(int position) {
 126         if (mFiles == null || mFiles.size() <= position)
 127             return 0;
 128         return mFiles.get(position).getFileId();
 129     }
 130
 131     @Override
 132     public int getItemViewType(int position) {
 133         return 0;
 134     }
 135
 136     @Override
 137     public View getView(int position, View convertView, ViewGroup parent) {
 138         View view = convertView;
 139         if (view == null) {
 140             LayoutInflater inflator = (LayoutInflater) mContext
 141                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 142             view = inflator.inflate(R.layout.list_item, null);
 143         }
 144
 145         if (mFiles != null && mFiles.size() > position) {
 146             OCFile file = mFiles.get(position);
 147             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 148             String name = file.getFileName();
 149
 150             fileName.setText(name);
 151             ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 152             fileIcon.setTag(file.getFileId());
 153             ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 154             ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 155             sharedWithMeIconV.setVisibility(View.GONE);
 156
 157             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 158             localStateView.bringToFront();
 159             FileDownloaderBinder downloaderBinder =
 160                     mTransferServiceGetter.getFileDownloaderBinder();
 161             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 162             OperationsServiceBinder opsBinder = mTransferServiceGetter.getOperationsServiceBinder();
 163             if ((downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) ||
 164                  (file.isFolder() && opsBinder != null && opsBinder.isSynchronizing(mAccount, file.getRemotePath()))) {
 165                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 166                 localStateView.setVisibility(View.VISIBLE);
 167             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 168                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 169                 localStateView.setVisibility(View.VISIBLE);
 170             } else if (file.isDown()) {
 171                 localStateView.setImageResource(R.drawable.local_file_indicator);
 172                 localStateView.setVisibility(View.VISIBLE);
 173             } else {
 174                 localStateView.setVisibility(View.INVISIBLE);
 175             }
 176
 177             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 178             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 179             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 180
 181             if (!file.isFolder()) {
 182                 fileSizeV.setVisibility(View.VISIBLE);
 183                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 184                 lastModV.setVisibility(View.VISIBLE);
 185                 lastModV.setText(showRelativeTimestamp(file));
 186                 // this if-else is needed even thoe fav icon is visible by default
 187                 // because android reuses views in listview
 188                 if (!file.keepInSync()) {
 189                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 190                 } else {
 191                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 192                 }
 193
 194                 ListView parentList = (ListView)parent;
 195                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 196                     checkBoxV.setVisibility(View.GONE);
 197                 } else {
 198                     if (parentList.isItemChecked(position)) {
 199                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 200                     } else {
 201                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 202                     }
 203                     checkBoxV.setVisibility(View.VISIBLE);
 204                 }
 205
 206                 // get Thumbnail if file is image
 207                 if (file.isImage() && file.getRemoteId() != null){
 208                      // Thumbnail in Cache?
 209                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 210                             String.valueOf(file.getRemoteId())
 211                     );
 212                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 213                         fileIcon.setImageBitmap(thumbnail);
 214                     } else {
 215
 216                         // generate new Thumbnail
 217                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 218                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 219                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 220                                             fileIcon, mStorageManager, mAccount
 221                                     );
 222                             if (thumbnail == null) {
 223                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 224                             }
 225                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 226                                     new ThumbnailsCacheManager.AsyncDrawable(
 227                                     mContext.getResources(),
 228                                     thumbnail,
 229                                     task
 230                             );
 231                             fileIcon.setImageDrawable(asyncDrawable);
 232                             task.execute(file);
 233                         }
 234                     }
 235                 } else {
 236                     fileIcon.setImageResource(DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName()));
 237                 }
 238
 239                 if (checkIfFileIsSharedWithMe(file)) {
 240                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 241                 }
 242             }
 243             else {
 244                   // TODO Re-enable when server supports folder-size calculation
 245 //                if (FileStorageUtils.getDefaultSavePathFor(mAccount.name, file) != null){
 246 //                    fileSizeV.setVisibility(View.VISIBLE);
 247 //                    fileSizeV.setText(getFolderSizeHuman(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file)));
 248 //                } else {
 249                     fileSizeV.setVisibility(View.INVISIBLE);
 250 //                }
 251
 252                 lastModV.setVisibility(View.VISIBLE);
 253                 lastModV.setText(showRelativeTimestamp(file));
 254                 checkBoxV.setVisibility(View.GONE);
 255                 view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 256
 257                 if (checkIfFileIsSharedWithMe(file)) {
 258                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 259                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 260                 } else {
 261                     fileIcon.setImageResource(
 262                             DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName())
 263                     );
 264                 }
 265
 266                 // If folder is sharedByLink, icon folder must be changed to
 267                 // folder-public one
 268                 if (file.isShareByLink()) {
 269                     fileIcon.setImageResource(R.drawable.folder_public);
 270                 }
 271             }
 272
 273             if (file.isShareByLink()) {
 274                 sharedIconV.setVisibility(View.VISIBLE);
 275             } else {
 276                 sharedIconV.setVisibility(View.GONE);
 277             }
 278         }
 279
 280         return view;
 281     }
 282
 283     /**
 284      * Local Folder size in human readable format
 285      *
 286      * @param path
 287      *            String
 288      * @return Size in human readable format
 289      */
 290     private String getFolderSizeHuman(String path) {
 291
 292         File dir = new File(path);
 293
 294         if (dir.exists()) {
 295             long bytes = FileStorageUtils.getFolderSize(dir);
 296             return DisplayUtils.bytesToHumanReadable(bytes);
 297         }
 298
 299         return "0 B";
 300     }
 301
 302     /**
 303      * Local Folder size
 304      * @param dir File
 305      * @return Size in bytes
 306      */
 307     private long getFolderSize(File dir) {
 308         if (dir.exists()) {
 309             long result = 0;
 310             File[] fileList = dir.listFiles();
 311             for(int i = 0; i < fileList.length; i++) {
 312                 if(fileList[i].isDirectory()) {
 313                     result += getFolderSize(fileList[i]);
 314                 } else {
 315                     result += fileList[i].length();
 316                 }
 317             }
 318             return result;
 319         }
 320         return 0;
 321     }
 322
 323     @Override
 324     public int getViewTypeCount() {
 325         return 1;
 326     }
 327
 328     @Override
 329     public boolean hasStableIds() {
 330         return true;
 331     }
 332
 333     @Override
 334     public boolean isEmpty() {
 335         return (mFiles == null || mFiles.isEmpty());
 336     }
 337
 338     /**
 339      * Change the adapted directory for a new one
 340      * @param directory                 New file to adapt. Can be NULL, meaning
 341      *                                  "no content to adapt".
 342      * @param updatedStorageManager     Optional updated storage manager; used to replace
 343      *                                  mStorageManager if is different (and not NULL)
 344      */
 345     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 346         mFile = directory;
 347         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 348             mStorageManager = updatedStorageManager;
 349             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 350         }
 351         if (mStorageManager != null) {
 352             mFiles = mStorageManager.getFolderContent(mFile);
 353             if (mJustFolders) {
 354                 mFiles = getFolders(mFiles);
 355             }
 356         } else {
 357             mFiles = null;
 358         }
 359
 360         mFiles = FileStorageUtils.sortFolder(mFiles);
 361         notifyDataSetChanged();
 362     }
 363
 364
 365     /**
 366      * Filter for getting only the folders
 367      * @param files
 368      * @return Vector<OCFile>
 369      */
 370     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 371         Vector<OCFile> ret = new Vector<OCFile>();
 372         OCFile current = null;
 373         for (int i=0; i<files.size(); i++) {
 374             current = files.get(i);
 375             if (current.isFolder()) {
 376                 ret.add(current);
 377             }
 378         }
 379         return ret;
 380     }
 381
 382
 383     /**
 384      * Check if parent folder does not include 'S' permission and if file/folder
 385      * is shared with me
 386      *
 387      * @param file: OCFile
 388      * @return boolean: True if it is shared with me and false if it is not
 389      */
 390     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 391         return (mFile.getPermissions() != null
 392                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 393                 && file.getPermissions() != null
 394                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 395     }
 396
 397     public void setSortOrder(Integer order, boolean ascending) {
 398         SharedPreferences.Editor editor = mAppPreferences.edit();
 399         editor.putInt("sortOrder", order);
 400         editor.putBoolean("sortAscending", ascending);
 401         editor.commit();
 402
 403         FileStorageUtils.mSortOrder = order;
 404         FileStorageUtils.mSortAscending = ascending;
 405
 406
 407         mFiles = FileStorageUtils.sortFolder(mFiles);
 408         notifyDataSetChanged();
 409
 410     }
 411
 412     private CharSequence showRelativeTimestamp(OCFile file){
 413         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 414                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 415     }
 416 }