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.view.LayoutInflater;
  33 import android.view.View;
  34 import android.view.ViewGroup;
  35 import android.widget.BaseAdapter;
  36 import android.widget.ImageView;
  37 import android.widget.ListAdapter;
  38 import android.widget.ListView;
  39 import android.widget.TextView;
  40
  41 import com.owncloud.android.R;
  42 import com.owncloud.android.authentication.AccountUtils;
  43 import com.owncloud.android.datamodel.FileDataStorageManager;
  44 import com.owncloud.android.datamodel.OCFile;
  45 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  46 import com.owncloud.android.datamodel.ThumbnailsCacheManager.AsyncDrawable;
  47 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  48 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  49 import com.owncloud.android.ui.activity.ComponentsGetter;
  50 import com.owncloud.android.utils.DisplayUtils;
  51 import com.owncloud.android.utils.FileStorageUtils;
  52
  53
  54 /**
  55  * This Adapter populates a ListView with all files and folders in an ownCloud
  56  * instance.
  57  *
  58  * @author Bartek Przybylski
  59  * @author Tobias Kaminsky
  60  * @author David A. Velasco
  61  */
  62 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  63     private final static String PERMISSION_SHARED_WITH_ME = "S";
  64
  65     private Context mContext;
  66     private OCFile mFile = null;
  67     private Vector<OCFile> mFiles = null;
  68     private boolean mJustFolders;
  69
  70     private FileDataStorageManager mStorageManager;
  71     private Account mAccount;
  72     private ComponentsGetter mTransferServiceGetter;
  73
  74     private SharedPreferences mAppPreferences;
  75
  76     public FileListListAdapter(
  77             boolean justFolders,
  78             Context context,
  79             ComponentsGetter transferServiceGetter
  80             ) {
  81
  82         mJustFolders = justFolders;
  83         mContext = context;
  84         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  85         mTransferServiceGetter = transferServiceGetter;
  86
  87         mAppPreferences = PreferenceManager
  88                 .getDefaultSharedPreferences(mContext);
  89
  90         // Read sorting order, default to sort by name ascending
  91         FileStorageUtils.mSortOrder = mAppPreferences
  92                 .getInt("sortOrder", 0);
  93         FileStorageUtils.mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
  94
  95         // initialise thumbnails cache on background thread
  96         new ThumbnailsCacheManager.InitDiskCacheTask().execute();
  97     }
  98
  99     @Override
 100     public boolean areAllItemsEnabled() {
 101         return true;
 102     }
 103
 104     @Override
 105     public boolean isEnabled(int position) {
 106         return true;
 107     }
 108
 109     @Override
 110     public int getCount() {
 111         return mFiles != null ? mFiles.size() : 0;
 112     }
 113
 114     @Override
 115     public Object getItem(int position) {
 116         if (mFiles == null || mFiles.size() <= position)
 117             return null;
 118         return mFiles.get(position);
 119     }
 120
 121     @Override
 122     public long getItemId(int position) {
 123         if (mFiles == null || mFiles.size() <= position)
 124             return 0;
 125         return mFiles.get(position).getFileId();
 126     }
 127
 128     @Override
 129     public int getItemViewType(int position) {
 130         return 0;
 131     }
 132
 133     @Override
 134     public View getView(int position, View convertView, ViewGroup parent) {
 135         View view = convertView;
 136         if (view == null) {
 137             LayoutInflater inflator = (LayoutInflater) mContext
 138                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 139             view = inflator.inflate(R.layout.list_item, null);
 140         }
 141
 142         if (mFiles != null && mFiles.size() > position) {
 143             OCFile file = mFiles.get(position);
 144             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 145             String name = file.getFileName();
 146
 147             fileName.setText(name);
 148             ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 149             fileIcon.setTag(file.getFileId());
 150             ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 151             ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 152             sharedWithMeIconV.setVisibility(View.GONE);
 153
 154             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 155             localStateView.bringToFront();
 156             FileDownloaderBinder downloaderBinder =
 157                     mTransferServiceGetter.getFileDownloaderBinder();
 158             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 159             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 160                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 161                 localStateView.setVisibility(View.VISIBLE);
 162             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 163                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 164                 localStateView.setVisibility(View.VISIBLE);
 165             } else if (file.isDown()) {
 166                 localStateView.setImageResource(R.drawable.local_file_indicator);
 167                 localStateView.setVisibility(View.VISIBLE);
 168             } else {
 169                 localStateView.setVisibility(View.INVISIBLE);
 170             }
 171
 172             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 173             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 174             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 175
 176             if (!file.isFolder()) {
 177                 fileSizeV.setVisibility(View.VISIBLE);
 178                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 179                 lastModV.setVisibility(View.VISIBLE);
 180                 lastModV.setText(
 181                         DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp())
 182                 );
 183                 // this if-else is needed even thoe fav icon is visible by default
 184                 // because android reuses views in listview
 185                 if (!file.keepInSync()) {
 186                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 187                 } else {
 188                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 189                 }
 190
 191                 ListView parentList = (ListView)parent;
 192                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 193                     checkBoxV.setVisibility(View.GONE);
 194                 } else {
 195                     if (parentList.isItemChecked(position)) {
 196                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 197                     } else {
 198                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 199                     }
 200                     checkBoxV.setVisibility(View.VISIBLE);
 201                 }
 202
 203                 // get Thumbnail if file is image
 204                 if (file.isImage() && file.getRemoteId() != null){
 205                      // Thumbnail in Cache?
 206                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 207                             String.valueOf(file.getRemoteId())
 208                     );
 209                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 210                         fileIcon.setImageBitmap(thumbnail);
 211                     } else {
 212                         // generate new Thumbnail
 213                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 214                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 215                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 216                                             fileIcon, mStorageManager
 217                                     );
 218                             if (thumbnail == null) {
 219                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 220                             }
 221                             final AsyncDrawable asyncDrawable = new AsyncDrawable(
 222                                     mContext.getResources(),
 223                                     thumbnail,
 224                                     task
 225                             );
 226                             fileIcon.setImageDrawable(asyncDrawable);
 227                             task.execute(file);
 228                         }
 229                     }
 230                 } else {
 231                     fileIcon.setImageResource(
 232                             DisplayUtils.getResourceId(file.getMimetype(), file.getFileName())
 233                     );
 234                 }
 235
 236                 if (checkIfFileIsSharedWithMe(file)) {
 237                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 238                 }
 239             }
 240             else {
 241                   // TODO Re-enable when server supports folder-size calculation
 242 //                if (FileStorageUtils.getDefaultSavePathFor(mAccount.name, file) != null){
 243 //                    fileSizeV.setVisibility(View.VISIBLE);
 244 //                    fileSizeV.setText(getFolderSizeHuman(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file)));
 245 //                } else {
 246                     fileSizeV.setVisibility(View.INVISIBLE);
 247 //                }
 248
 249                 lastModV.setVisibility(View.VISIBLE);
 250                 lastModV.setText(
 251                         DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp())
 252                 );
 253                 checkBoxV.setVisibility(View.GONE);
 254                 view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 255
 256                 if (checkIfFileIsSharedWithMe(file)) {
 257                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 258                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 259                 } else {
 260                     fileIcon.setImageResource(
 261                             DisplayUtils.getResourceId(file.getMimetype(), file.getFileName())
 262                     );
 263                 }
 264
 265                 // If folder is sharedByLink, icon folder must be changed to
 266                 // folder-public one
 267                 if (file.isShareByLink()) {
 268                     fileIcon.setImageResource(R.drawable.folder_public);
 269                 }
 270             }
 271
 272             if (file.isShareByLink()) {
 273                 sharedIconV.setVisibility(View.VISIBLE);
 274             } else {
 275                 sharedIconV.setVisibility(View.GONE);
 276             }
 277         }
 278
 279         return view;
 280     }
 281
 282     /**
 283      * Local Folder size in human readable format
 284      *
 285      * @param path
 286      *            String
 287      * @return Size in human readable format
 288      */
 289     private String getFolderSizeHuman(String path) {
 290
 291         File dir = new File(path);
 292
 293         if (dir.exists()) {
 294             long bytes = FileStorageUtils.getFolderSize(dir);
 295             return DisplayUtils.bytesToHumanReadable(bytes);
 296         }
 297
 298         return "0 B";
 299     }
 300
 301
 302
 303     @Override
 304     public int getViewTypeCount() {
 305         return 1;
 306     }
 307
 308     @Override
 309     public boolean hasStableIds() {
 310         return true;
 311     }
 312
 313     @Override
 314     public boolean isEmpty() {
 315         return (mFiles == null || mFiles.isEmpty());
 316     }
 317
 318     /**
 319      * Change the adapted directory for a new one
 320      * @param directory                 New file to adapt. Can be NULL, meaning
 321      *                                  "no content to adapt".
 322      * @param updatedStorageManager     Optional updated storage manager; used to replace
 323      *                                  mStorageManager if is different (and not NULL)
 324      */
 325     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 326         mFile = directory;
 327         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 328             mStorageManager = updatedStorageManager;
 329             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 330         }
 331         if (mStorageManager != null) {
 332             mFiles = mStorageManager.getFolderContent(mFile);
 333             if (mJustFolders) {
 334                 mFiles = getFolders(mFiles);
 335             }
 336         } else {
 337             mFiles = null;
 338         }
 339
 340         mFiles = FileStorageUtils.sortDirectory(mFiles);
 341         notifyDataSetChanged();
 342     }
 343
 344
 345     /**
 346      * Filter for getting only the folders
 347      * @param files
 348      * @return Vector<OCFile>
 349      */
 350     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 351         Vector<OCFile> ret = new Vector<OCFile>();
 352         OCFile current = null;
 353         for (int i=0; i<files.size(); i++) {
 354             current = files.get(i);
 355             if (current.isFolder()) {
 356                 ret.add(current);
 357             }
 358         }
 359         return ret;
 360     }
 361
 362
 363     /**
 364      * Check if parent folder does not include 'S' permission and if file/folder
 365      * is shared with me
 366      *
 367      * @param file: OCFile
 368      * @return boolean: True if it is shared with me and false if it is not
 369      */
 370     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 371         return (mFile.getPermissions() != null
 372                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 373                 && file.getPermissions() != null
 374                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 375     }
 376
 377     public void setSortOrder(Integer order, boolean ascending) {
 378         SharedPreferences.Editor editor = mAppPreferences.edit();
 379         editor.putInt("sortOrder", order);
 380         editor.putBoolean("sortAscending", ascending);
 381         editor.commit();
 382
 383         FileStorageUtils.mSortOrder = order;
 384         FileStorageUtils.mSortAscending = ascending;
 385
 386         mFiles = FileStorageUtils.sortDirectory(mFiles);
 387         notifyDataSetChanged();
 388     }
 389 }