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.Collections;
  21 import java.util.Comparator;
  22 import java.util.Vector;
  23
  24 import android.accounts.Account;
  25 import android.content.Context;
  26 import android.view.LayoutInflater;
  27 import android.view.View;
  28 import android.view.ViewGroup;
  29 import android.widget.BaseAdapter;
  30 import android.widget.ImageView;
  31 import android.widget.ListAdapter;
  32 import android.widget.ListView;
  33 import android.widget.TextView;
  34
  35 import com.owncloud.android.R;
  36 import com.owncloud.android.authentication.AccountUtils;
  37 import com.owncloud.android.datamodel.FileDataStorageManager;
  38 import com.owncloud.android.datamodel.OCFile;
  39 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  40 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  41 import com.owncloud.android.ui.activity.ComponentsGetter;
  42 import com.owncloud.android.utils.DisplayUtils;
  43
  44
  45 /**
  46  * This Adapter populates a ListView with all files and folders in an ownCloud
  47  * instance.
  48  *
  49  * @author Bartek Przybylski
  50  *
  51  */
  52 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  53     private final static String PERMISSION_SHARED_WITH_ME = "S";
  54
  55     private Context mContext;
  56     private OCFile mFile = null;
  57     private Vector<OCFile> mFiles = null;
  58     private boolean mJustFolders;
  59
  60     private FileDataStorageManager mStorageManager;
  61     private Account mAccount;
  62     private ComponentsGetter mTransferServiceGetter;
  63     public enum sortOrders { NAME, DATE, SIZE }
  64     private sortOrders sort = sortOrders.NAME;
  65     private boolean sortAscending = true;
  66
  67     public FileListListAdapter(
  68             boolean justFolders,
  69             Context context,
  70             ComponentsGetter transferServiceGetter
  71             ) {
  72         mJustFolders = justFolders;
  73         mContext = context;
  74         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  75         mTransferServiceGetter = transferServiceGetter;
  76     }
  77
  78     @Override
  79     public boolean areAllItemsEnabled() {
  80         return true;
  81     }
  82
  83     @Override
  84     public boolean isEnabled(int position) {
  85         return true;
  86     }
  87
  88     @Override
  89     public int getCount() {
  90         return mFiles != null ? mFiles.size() : 0;
  91     }
  92
  93     @Override
  94     public Object getItem(int position) {
  95         if (mFiles == null || mFiles.size() <= position)
  96             return null;
  97         return mFiles.get(position);
  98     }
  99
 100     @Override
 101     public long getItemId(int position) {
 102         if (mFiles == null || mFiles.size() <= position)
 103             return 0;
 104         return mFiles.get(position).getFileId();
 105     }
 106
 107     @Override
 108     public int getItemViewType(int position) {
 109         return 0;
 110     }
 111
 112     @Override
 113     public View getView(int position, View convertView, ViewGroup parent) {
 114         View view = convertView;
 115         if (view == null) {
 116             LayoutInflater inflator = (LayoutInflater) mContext
 117                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 118             view = inflator.inflate(R.layout.list_item, null);
 119         }
 120
 121         if (mFiles != null && mFiles.size() > position) {
 122             OCFile file = mFiles.get(position);
 123             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 124             String name = file.getFileName();
 125
 126             fileName.setText(name);
 127             ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 128             ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 129             ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 130             sharedWithMeIconV.setVisibility(View.GONE);
 131
 132             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 133             localStateView.bringToFront();
 134             FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 135             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 136             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 137                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 138                 localStateView.setVisibility(View.VISIBLE);
 139             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 140                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 141                 localStateView.setVisibility(View.VISIBLE);
 142             } else if (file.isDown()) {
 143                 localStateView.setImageResource(R.drawable.local_file_indicator);
 144                 localStateView.setVisibility(View.VISIBLE);
 145             } else {
 146                 localStateView.setVisibility(View.INVISIBLE);
 147             }
 148
 149             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 150             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 151             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 152
 153             if (!file.isFolder()) {
 154                 fileSizeV.setVisibility(View.VISIBLE);
 155                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 156                 lastModV.setVisibility(View.VISIBLE);
 157                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 158                 // this if-else is needed even thoe fav icon is visible by default
 159                 // because android reuses views in listview
 160                 if (!file.keepInSync()) {
 161                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 162                 } else {
 163                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 164                 }
 165
 166                 ListView parentList = (ListView)parent;
 167                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 168                     checkBoxV.setVisibility(View.GONE);
 169                 } else {
 170                     if (parentList.isItemChecked(position)) {
 171                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 172                     } else {
 173                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 174                     }
 175                     checkBoxV.setVisibility(View.VISIBLE);
 176                 }
 177
 178                 fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 179
 180                 if (checkIfFileIsSharedWithMe(file)) {
 181                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 182                 }
 183             }
 184             else {
 185
 186                 fileSizeV.setVisibility(View.INVISIBLE);
 187                 //fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 188                 lastModV.setVisibility(View.VISIBLE);
 189                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 190                 checkBoxV.setVisibility(View.GONE);
 191                 view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 192
 193                 if (checkIfFileIsSharedWithMe(file)) {
 194                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 195                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 196                 } else {
 197                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 198                 }
 199
 200                 // If folder is sharedByLink, icon folder must be changed to
 201                 // folder-public one
 202                 if (file.isShareByLink()) {
 203                     fileIcon.setImageResource(R.drawable.folder_public);
 204                 }
 205             }
 206
 207             if (file.isShareByLink()) {
 208                 sharedIconV.setVisibility(View.VISIBLE);
 209             } else {
 210                 sharedIconV.setVisibility(View.GONE);
 211             }
 212         }
 213
 214         return view;
 215     }
 216
 217     @Override
 218     public int getViewTypeCount() {
 219         return 1;
 220     }
 221
 222     @Override
 223     public boolean hasStableIds() {
 224         return true;
 225     }
 226
 227     @Override
 228     public boolean isEmpty() {
 229         return (mFiles == null || mFiles.isEmpty());
 230     }
 231
 232     /**
 233      * Change the adapted directory for a new one
 234      * @param directory                 New file to adapt. Can be NULL, meaning "no content to adapt".
 235      * @param updatedStorageManager     Optional updated storage manager; used to replace mStorageManager if is different (and not NULL)
 236      */
 237     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 238         mFile = directory;
 239         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 240             mStorageManager = updatedStorageManager;
 241             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 242         }
 243         if (mStorageManager != null) {
 244             mFiles = mStorageManager.getFolderContent(mFile);
 245             if (mJustFolders) {
 246                 mFiles = getFolders(mFiles);
 247             }
 248         } else {
 249             mFiles = null;
 250         }
 251
 252         sortDirectory();
 253     }
 254
 255     /**
 256      * Sorts all filenames, regarding last user decision
 257      */
 258     private void sortDirectory(){
 259         switch (sort){
 260         case NAME:
 261             sortByName();
 262             break;
 263
 264         case SIZE:
 265             sortBySize();
 266             break;
 267
 268         case DATE:
 269             sortByDate();
 270             break;
 271         }
 272
 273         if (!sortAscending){
 274             Collections.reverse(mFiles);
 275         }
 276
 277         notifyDataSetChanged();
 278     }
 279
 280
 281     /**
 282      * Filter for getting only the folders
 283      * @param files
 284      * @return Vector<OCFile>
 285      */
 286     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 287         Vector<OCFile> ret = new Vector<OCFile>();
 288         OCFile current = null;
 289         for (int i=0; i<files.size(); i++) {
 290             current = files.get(i);
 291             if (current.isFolder()) {
 292                 ret.add(current);
 293             }
 294         }
 295         return ret;
 296     }
 297
 298
 299     /**
 300      * Check if parent folder does not include 'S' permission and if file/folder
 301      * is shared with me
 302      *
 303      * @param file: OCFile
 304      * @return boolean: True if it is shared with me and false if it is not
 305      */
 306     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 307         return (mFile.getPermissions() != null && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 308                 && file.getPermissions() != null && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 309     }
 310
 311     private void sortByDate(){
 312         Collections.sort(mFiles, new Comparator<OCFile>() {
 313             public int compare(OCFile o1, OCFile o2) {
 314                 if (o1.isFolder() && o2.isFolder()) {
 315                     return Long.compare(o1.getModificationTimestamp(), o2.getModificationTimestamp());
 316                 }
 317                 else if (o1.isFolder()) {
 318                     return -1;
 319                 } else if (o2.isFolder()) {
 320                     return 1;
 321                 } else if (o1.getModificationTimestamp() == 0 || o2.getModificationTimestamp() == 0){
 322                     return 0;
 323                 } else {
 324                     return Long.compare(o1.getModificationTimestamp(), o2.getModificationTimestamp());
 325                 }
 326             }
 327         });
 328     }
 329
 330     private void sortBySize(){
 331         Collections.sort(mFiles, new Comparator<OCFile>() {
 332             public int compare(OCFile o1, OCFile o2) {
 333                 if (o1.isFolder() && o2.isFolder()) {
 334                     return o1.getRemotePath().toLowerCase().compareTo(o2.getRemotePath().toLowerCase());
 335                 }
 336                 else if (o1.isFolder()) {
 337                     return -1;
 338                 } else if (o2.isFolder()) {
 339                     return 1;
 340                 } else if (o1.getFileLength() == 0 || o2.getFileLength() == 0){
 341                     return 0;
 342                 } else {
 343                     return Long.compare(o1.getFileLength(), o2.getFileLength());
 344                 }
 345             }
 346         });
 347     }
 348
 349     private void sortByName(){
 350         Collections.sort(mFiles);
 351     }
 352
 353     public void setSortOrder(sortOrders order, boolean descending) {
 354         sort = order;
 355         sortAscending = descending;
 356
 357         sortDirectory();
 358     }
 359 }