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.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.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.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.ui.activity.ComponentsGetter;
  47 import com.owncloud.android.utils.DisplayUtils;
  48 import com.owncloud.android.utils.FileStorageUtils;
  49
  50
  51 /**
  52  * This Adapter populates a ListView with all files and folders in an ownCloud
  53  * instance.
  54  *
  55  * @author Bartek Przybylski
  56  * @author Tobias Kaminsky
  57  * @author David A. Velasco
  58  */
  59 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  60     private final static String PERMISSION_SHARED_WITH_ME = "S";
  61
  62     private Context mContext;
  63     private OCFile mFile = null;
  64     private Vector<OCFile> mFiles = null;
  65     private boolean mJustFolders;
  66
  67     private FileDataStorageManager mStorageManager;
  68     private Account mAccount;
  69     private ComponentsGetter mTransferServiceGetter;
  70
  71     private SharedPreferences mAppPreferences;
  72
  73     public FileListListAdapter(
  74             boolean justFolders,
  75             Context context,
  76             ComponentsGetter transferServiceGetter
  77             ) {
  78
  79         mJustFolders = justFolders;
  80         mContext = context;
  81         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  82
  83         mTransferServiceGetter = transferServiceGetter;
  84
  85         mAppPreferences = PreferenceManager
  86                 .getDefaultSharedPreferences(mContext);
  87
  88         // Read sorting order, default to sort by name ascending
  89         FileStorageUtils.mSortOrder = mAppPreferences.getInt("sortOrder", 0);
  90         FileStorageUtils.mSortAscending = mAppPreferences.getBoolean("sortAscending", true);
  91
  92
  93         // initialise thumbnails cache on background thread
  94         new ThumbnailsCacheManager.InitDiskCacheTask().execute();
  95
  96     }
  97
  98     @Override
  99     public boolean areAllItemsEnabled() {
 100         return true;
 101     }
 102
 103     @Override
 104     public boolean isEnabled(int position) {
 105         return true;
 106     }
 107
 108     @Override
 109     public int getCount() {
 110         return mFiles != null ? mFiles.size() : 0;
 111     }
 112
 113     @Override
 114     public Object getItem(int position) {
 115         if (mFiles == null || mFiles.size() <= position)
 116             return null;
 117         return mFiles.get(position);
 118     }
 119
 120     @Override
 121     public long getItemId(int position) {
 122         if (mFiles == null || mFiles.size() <= position)
 123             return 0;
 124         return mFiles.get(position).getFileId();
 125     }
 126
 127     @Override
 128     public int getItemViewType(int position) {
 129         return 0;
 130     }
 131
 132     @Override
 133     public View getView(int position, View convertView, ViewGroup parent) {
 134         View view = convertView;
 135         if (view == null) {
 136             LayoutInflater inflator = (LayoutInflater) mContext
 137                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 138             view = inflator.inflate(R.layout.list_item, null);
 139         }
 140
 141         if (mFiles != null && mFiles.size() > position) {
 142             OCFile file = mFiles.get(position);
 143             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 144             String name = file.getFileName();
 145
 146             fileName.setText(name);
 147             ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 148             fileIcon.setTag(file.getFileId());
 149             ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 150             ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 151             sharedWithMeIconV.setVisibility(View.GONE);
 152
 153             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 154             localStateView.bringToFront();
 155             FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 156             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 157             //if (file.isSynchronizing() || file.isDownloading()) {
 158             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 159                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 160                 localStateView.setVisibility(View.VISIBLE);
 161             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 162                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 163                 localStateView.setVisibility(View.VISIBLE);
 164             } else if (file.isDown()) {
 165                 localStateView.setImageResource(R.drawable.local_file_indicator);
 166                 localStateView.setVisibility(View.VISIBLE);
 167             } else {
 168                 localStateView.setVisibility(View.INVISIBLE);
 169             }
 170
 171             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 172             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 173             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 174
 175             if (!file.isFolder()) {
 176                 fileSizeV.setVisibility(View.VISIBLE);
 177                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 178                 lastModV.setVisibility(View.VISIBLE);
 179                 lastModV.setText(showRelativeTimestamp(file));
 180                 // this if-else is needed even thoe fav icon is visible by default
 181                 // because android reuses views in listview
 182                 if (!file.keepInSync()) {
 183                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 184                 } else {
 185                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 186                 }
 187
 188                 ListView parentList = (ListView)parent;
 189                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 190                     checkBoxV.setVisibility(View.GONE);
 191                 } else {
 192                     if (parentList.isItemChecked(position)) {
 193                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 194                     } else {
 195                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 196                     }
 197                     checkBoxV.setVisibility(View.VISIBLE);
 198                 }
 199
 200                 // get Thumbnail if file is image
 201                 if (file.isImage() && file.getRemoteId() != null){
 202                      // Thumbnail in Cache?
 203                     Bitmap thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(
 204                             String.valueOf(file.getRemoteId())
 205                     );
 206                     if (thumbnail != null && !file.needsUpdateThumbnail()){
 207                         fileIcon.setImageBitmap(thumbnail);
 208                     } else {
 209
 210                         // generate new Thumbnail
 211                         if (ThumbnailsCacheManager.cancelPotentialWork(file, fileIcon)) {
 212                             final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 213                                     new ThumbnailsCacheManager.ThumbnailGenerationTask(
 214                                             fileIcon, mStorageManager, mAccount
 215                                     );
 216                             if (thumbnail == null) {
 217                                 thumbnail = ThumbnailsCacheManager.mDefaultImg;
 218                             }
 219                             final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 220                                     new ThumbnailsCacheManager.AsyncDrawable(
 221                                     mContext.getResources(),
 222                                     thumbnail,
 223                                     task
 224                             );
 225                             fileIcon.setImageDrawable(asyncDrawable);
 226                             task.execute(file);
 227                         }
 228                     }
 229                 } else {
 230                     fileIcon.setImageResource(DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName()));
 231                 }
 232
 233                 if (checkIfFileIsSharedWithMe(file)) {
 234                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 235                 }
 236             }
 237             else {
 238                   // TODO Re-enable when server supports folder-size calculation
 239 //                if (FileStorageUtils.getDefaultSavePathFor(mAccount.name, file) != null){
 240 //                    fileSizeV.setVisibility(View.VISIBLE);
 241 //                    fileSizeV.setText(getFolderSizeHuman(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file)));
 242 //                } else {
 243                     fileSizeV.setVisibility(View.INVISIBLE);
 244 //                }
 245
 246                 lastModV.setVisibility(View.VISIBLE);
 247                 lastModV.setText(showRelativeTimestamp(file));
 248                 checkBoxV.setVisibility(View.GONE);
 249                 view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 250
 251                 if (checkIfFileIsSharedWithMe(file)) {
 252                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 253                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 254                 } else {
 255                     fileIcon.setImageResource(
 256                             DisplayUtils.getFileTypeIconId(file.getMimetype(), file.getFileName())
 257                     );
 258                 }
 259
 260                 // If folder is sharedByLink, icon folder must be changed to
 261                 // folder-public one
 262                 if (file.isShareByLink()) {
 263                     fileIcon.setImageResource(R.drawable.folder_public);
 264                 }
 265             }
 266
 267             if (file.isShareByLink()) {
 268                 sharedIconV.setVisibility(View.VISIBLE);
 269             } else {
 270                 sharedIconV.setVisibility(View.GONE);
 271             }
 272         }
 273
 274         return view;
 275     }
 276
 277     /**
 278      * Local Folder size in human readable format
 279      *
 280      * @param path
 281      *            String
 282      * @return Size in human readable format
 283      */
 284     private String getFolderSizeHuman(String path) {
 285
 286         File dir = new File(path);
 287
 288         if (dir.exists()) {
 289             long bytes = FileStorageUtils.getFolderSize(dir);
 290             return DisplayUtils.bytesToHumanReadable(bytes);
 291         }
 292
 293         return "0 B";
 294     }
 295
 296     /**
 297      * Local Folder size
 298      * @param dir File
 299      * @return Size in bytes
 300      */
 301     private long getFolderSize(File dir) {
 302         if (dir.exists()) {
 303             long result = 0;
 304             File[] fileList = dir.listFiles();
 305             for(int i = 0; i < fileList.length; i++) {
 306                 if(fileList[i].isDirectory()) {
 307                     result += getFolderSize(fileList[i]);
 308                 } else {
 309                     result += fileList[i].length();
 310                 }
 311             }
 312             return result;
 313         }
 314         return 0;
 315     }
 316
 317     @Override
 318     public int getViewTypeCount() {
 319         return 1;
 320     }
 321
 322     @Override
 323     public boolean hasStableIds() {
 324         return true;
 325     }
 326
 327     @Override
 328     public boolean isEmpty() {
 329         return (mFiles == null || mFiles.isEmpty());
 330     }
 331
 332     /**
 333      * Change the adapted directory for a new one
 334      * @param directory                 New file to adapt. Can be NULL, meaning
 335      *                                  "no content to adapt".
 336      * @param updatedStorageManager     Optional updated storage manager; used to replace
 337      *                                  mStorageManager if is different (and not NULL)
 338      */
 339     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 340         mFile = directory;
 341         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 342             mStorageManager = updatedStorageManager;
 343             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 344         }
 345         if (mStorageManager != null) {
 346             mFiles = mStorageManager.getFolderContent(mFile);
 347             if (mJustFolders) {
 348                 mFiles = getFolders(mFiles);
 349             }
 350         } else {
 351             mFiles = null;
 352         }
 353
 354         mFiles = FileStorageUtils.sortFolder(mFiles);
 355         notifyDataSetChanged();
 356     }
 357
 358
 359     /**
 360      * Filter for getting only the folders
 361      * @param files
 362      * @return Vector<OCFile>
 363      */
 364     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 365         Vector<OCFile> ret = new Vector<OCFile>();
 366         OCFile current = null;
 367         for (int i=0; i<files.size(); i++) {
 368             current = files.get(i);
 369             if (current.isFolder()) {
 370                 ret.add(current);
 371             }
 372         }
 373         return ret;
 374     }
 375
 376
 377     /**
 378      * Check if parent folder does not include 'S' permission and if file/folder
 379      * is shared with me
 380      *
 381      * @param file: OCFile
 382      * @return boolean: True if it is shared with me and false if it is not
 383      */
 384     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 385         return (mFile.getPermissions() != null
 386                 && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 387                 && file.getPermissions() != null
 388                 && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 389     }
 390
 391     public void setSortOrder(Integer order, boolean ascending) {
 392         SharedPreferences.Editor editor = mAppPreferences.edit();
 393         editor.putInt("sortOrder", order);
 394         editor.putBoolean("sortAscending", ascending);
 395         editor.commit();
 396
 397         FileStorageUtils.mSortOrder = order;
 398         FileStorageUtils.mSortAscending = ascending;
 399
 400
 401         mFiles = FileStorageUtils.sortFolder(mFiles);
 402         notifyDataSetChanged();
 403
 404     }
 405
 406     private CharSequence showRelativeTimestamp(OCFile file){
 407         return DisplayUtils.getRelativeDateTimeString(mContext, file.getModificationTimestamp(),
 408                 DateUtils.SECOND_IN_MILLIS, DateUtils.WEEK_IN_MILLIS, 0);
 409     }
 410 }