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.util.Vector;
  21
  22 import android.accounts.Account;
  23 import android.content.Context;
  24 import android.graphics.Bitmap;
  25 import android.graphics.BitmapFactory;
  26 import android.media.ThumbnailUtils;
  27 import android.view.LayoutInflater;
  28 import android.view.View;
  29 import android.view.ViewGroup;
  30 import android.widget.BaseAdapter;
  31 import android.widget.GridView;
  32 import android.widget.ImageView;
  33 import android.widget.ListAdapter;
  34 import android.widget.ListView;
  35 import android.widget.TextView;
  36
  37 import com.owncloud.android.R;
  38 import com.owncloud.android.authentication.AccountUtils;
  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.Log_OC;
  46
  47
  48 /**
  49  * This Adapter populates a ListView with all files and folders in an ownCloud
  50  * instance.
  51  *
  52  * @author Bartek Przybylski
  53  *
  54  */
  55 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  56     private final static String PERMISSION_SHARED_WITH_ME = "S";
  57
  58     private Context mContext;
  59     private OCFile mFile = null;
  60     private Vector<OCFile> mFiles = null;
  61     private boolean mJustFolders;
  62
  63     private FileDataStorageManager mStorageManager;
  64     private Account mAccount;
  65     private ComponentsGetter mTransferServiceGetter;
  66     private enum ViewType {LIST_ITEM, GRID_IMAGE, GRID_ITEM };
  67
  68     public FileListListAdapter(
  69             boolean justFolders,
  70             Context context,
  71             ComponentsGetter transferServiceGetter
  72             ) {
  73         mJustFolders = justFolders;
  74         mContext = context;
  75         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  76         mTransferServiceGetter = transferServiceGetter;
  77     }
  78
  79     @Override
  80     public boolean areAllItemsEnabled() {
  81         return true;
  82     }
  83
  84     @Override
  85     public boolean isEnabled(int position) {
  86         return true;
  87     }
  88
  89     @Override
  90     public int getCount() {
  91         return mFiles != null ? mFiles.size() : 0;
  92     }
  93
  94     @Override
  95     public Object getItem(int position) {
  96         if (mFiles == null || mFiles.size() <= position)
  97             return null;
  98         return mFiles.get(position);
  99     }
 100
 101     @Override
 102     public long getItemId(int position) {
 103         if (mFiles == null || mFiles.size() <= position)
 104             return 0;
 105         return mFiles.get(position).getFileId();
 106     }
 107
 108     @Override
 109     public int getItemViewType(int position) {
 110         return 0;
 111     }
 112
 113     @Override
 114     public View getView(int position, View convertView, ViewGroup parent) {
 115      // decide image vs. file view
 116         double count = 0;
 117
 118
 119         for (OCFile file : mFiles){
 120             if (file.isImage()){
 121                 count++;
 122             }
 123         }
 124
 125         // > 50% Images --> image view
 126         boolean fileView = true;
 127         if ((count / mFiles.size()) >= 0.8){
 128             fileView = false;
 129         } else {
 130             fileView = true;
 131         }
 132
 133         View view = convertView;
 134         OCFile file = null;
 135         LayoutInflater inflator = (LayoutInflater) mContext
 136                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 137
 138         if (mFiles != null && mFiles.size() > position) {
 139             file = mFiles.get(position);
 140         }
 141
 142         // Find out which layout should be displayed
 143         ViewType viewType;
 144         if (fileView){
 145             viewType = ViewType.LIST_ITEM;
 146         } else if (file.isImage()){
 147             viewType = ViewType.GRID_IMAGE;
 148         } else {
 149             viewType = ViewType.GRID_ITEM;
 150         }
 151
 152         // Create View
 153         switch (viewType){
 154         case GRID_IMAGE:
 155             view = inflator.inflate(R.layout.grid_image, null);
 156             break;
 157         case GRID_ITEM:
 158             view = inflator.inflate(R.layout.grid_item, null);
 159             break;
 160         case LIST_ITEM:
 161             view = inflator.inflate(R.layout.list_item, null);
 162             break;
 163         }
 164
 165         view.invalidate();
 166
 167         if (file != null){
 168
 169             ImageView fileIcon = (ImageView) view.findViewById(R.id.thumbnail);
 170             TextView fileName;
 171             String name;
 172
 173             switch (viewType){
 174             case LIST_ITEM:
 175                 fileName = (TextView) view.findViewById(R.id.Filename);
 176                 name = file.getFileName();
 177                 fileName.setText(name);
 178
 179                 TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 180                 TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 181                 ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 182
 183                 lastModV.setVisibility(View.VISIBLE);
 184                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 185
 186                 checkBoxV.setVisibility(View.GONE);
 187
 188                 fileSizeV.setVisibility(View.VISIBLE);
 189                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 190
 191                 ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 192
 193
 194                 if (file.isShareByLink()) {
 195                     sharedIconV.setVisibility(View.VISIBLE);
 196                 } else {
 197                     sharedIconV.setVisibility(View.GONE);
 198                 }
 199
 200                 ImageView localStateView = (ImageView) view.findViewById(R.id.localFileIndicator);
 201
 202                 if (!file.isFolder()) {
 203                     GridView parentList = (GridView)parent;
 204                     if (parentList.getChoiceMode() == GridView.CHOICE_MODE_NONE) {
 205                         checkBoxV.setVisibility(View.GONE);
 206                     } else {
 207                         if (parentList.isItemChecked(position)) {
 208                             checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 209                         } else {
 210                             checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 211                         }
 212                         checkBoxV.setVisibility(View.VISIBLE);
 213                     }
 214
 215                     localStateView.bringToFront();
 216                     FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 217                     FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 218                     if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 219                         localStateView.setImageResource(R.drawable.downloading_file_indicator);
 220                         localStateView.setVisibility(View.VISIBLE);
 221                     } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 222                         localStateView.setImageResource(R.drawable.uploading_file_indicator);
 223                         localStateView.setVisibility(View.VISIBLE);
 224                     } else if (file.isDown()) {
 225                         localStateView.setImageResource(R.drawable.local_file_indicator);
 226                         localStateView.setVisibility(View.VISIBLE);
 227                     } else {
 228                         localStateView.setVisibility(View.INVISIBLE);
 229                     }
 230
 231                     ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 232                     if (checkIfFileIsSharedWithMe(file)) {
 233                         sharedWithMeIconV.setVisibility(View.VISIBLE);
 234                     } else {
 235                         sharedWithMeIconV.setVisibility(View.GONE);
 236                     }
 237                 } else {
 238                     localStateView.setVisibility(View.INVISIBLE);
 239                 }
 240                 break;
 241             case GRID_ITEM:
 242                 fileName = (TextView) view.findViewById(R.id.Filename);
 243                 name = file.getFileName();
 244                 fileName.setText(name);
 245                 break;
 246             case GRID_IMAGE:
 247                 break;
 248             }
 249
 250             // For all Views
 251
 252             // this if-else is needed even though favorite icon is visible by default
 253             // because android reuses views in listview
 254             if (!file.keepInSync()) {
 255                 view.findViewById(R.id.favoriteIcon).setVisibility(View.GONE);
 256             } else {
 257                 view.findViewById(R.id.favoriteIcon).setVisibility(View.VISIBLE);
 258             }
 259
 260             // No Folder
 261             if (!file.isFolder()) {
 262                 if (file.isImage() && file.isDown()){
 263                     Bitmap bitmap = BitmapFactory.decodeFile(file.getStoragePath());
 264                     fileIcon.setImageBitmap(ThumbnailUtils.extractThumbnail(bitmap, 200, 200));
 265                 } else {
 266                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 267                 }
 268             } else {
 269                 // Folder
 270                 if (checkIfFileIsSharedWithMe(file)) {
 271                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 272                 } else if (file.isShareByLink()) {
 273                     // If folder is sharedByLink, icon folder must be changed to
 274                     // folder-public one
 275                     fileIcon.setImageResource(R.drawable.folder_public);
 276                 } else {
 277                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 278                 }
 279             }
 280         }
 281
 282         return view;
 283     }
 284
 285     @Override
 286     public int getViewTypeCount() {
 287         return 1;
 288     }
 289
 290     @Override
 291     public boolean hasStableIds() {
 292         return true;
 293     }
 294
 295     @Override
 296     public boolean isEmpty() {
 297         return (mFiles == null || mFiles.isEmpty());
 298     }
 299
 300     /**
 301      * Change the adapted directory for a new one
 302      * @param directory                 New file to adapt. Can be NULL, meaning "no content to adapt".
 303      * @param updatedStorageManager     Optional updated storage manager; used to replace mStorageManager if is different (and not NULL)
 304      */
 305     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 306         mFile = directory;
 307         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 308             mStorageManager = updatedStorageManager;
 309             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 310         }
 311         if (mStorageManager != null) {
 312             mFiles = mStorageManager.getFolderContent(mFile);
 313             if (mJustFolders) {
 314                 mFiles = getFolders(mFiles);
 315             }
 316         } else {
 317             mFiles = null;
 318         }
 319         notifyDataSetChanged();
 320     }
 321
 322
 323     /**
 324      * Filter for getting only the folders
 325      * @param files
 326      * @return Vector<OCFile>
 327      */
 328     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 329         Vector<OCFile> ret = new Vector<OCFile>();
 330         OCFile current = null;
 331         for (int i=0; i<files.size(); i++) {
 332             current = files.get(i);
 333             if (current.isFolder()) {
 334                 ret.add(current);
 335             }
 336         }
 337         return ret;
 338     }
 339
 340
 341     /**
 342      * Check if parent folder does not include 'S' permission and if file/folder
 343      * is shared with me
 344      *
 345      * @param file: OCFile
 346      * @return boolean: True if it is shared with me and false if it is not
 347      */
 348     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 349         return (mFile.getPermissions() != null && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 350                 && file.getPermissions() != null && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 351     }
 352 }