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
  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      // decide image vs. file view
 115         double count = 0;
 116
 117
 118         for (OCFile file : mFiles){
 119             if (file.isImage()){
 120                 count++;
 121             }
 122         }
 123
 124         // > 50% Images --> image view
 125         boolean fileView = true;
 126         if ((count / mFiles.size()) >= 0.8){
 127             fileView = false;
 128         } else {
 129             fileView = true;
 130         }
 131
 132         View view = convertView;
 133         OCFile file = null;
 134         LayoutInflater inflator = (LayoutInflater) mContext
 135                 .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 136
 137         if (mFiles != null && mFiles.size() > position) {
 138             file = mFiles.get(position);
 139         }
 140
 141         if (fileView){
 142             view = inflator.inflate(R.layout.list_item, null);
 143         } else {
 144             if (file.isImage()){
 145                 view = inflator.inflate(R.layout.grid_image, null);
 146             } else {
 147                 view = inflator.inflate(R.layout.grid_item, null);
 148             }
 149
 150             View frame = view.findViewById(R.id.imageItemFrame);
 151             frame.setVisibility(View.GONE);
 152         }
 153         view.invalidate();
 154
 155        if (file != null){
 156             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 157             // if (!fileView){fileName.setVisibility(View.GONE);}
 158             String name = file.getFileName();
 159
 160             fileName.setText(name);
 161             ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 162             ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 163             ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 164             sharedWithMeIconV.setVisibility(View.GONE);
 165
 166             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 167             localStateView.bringToFront();
 168             FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 169             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 170             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 171                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 172                 localStateView.setVisibility(View.VISIBLE);
 173             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 174                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 175                 localStateView.setVisibility(View.VISIBLE);
 176             } else if (file.isDown()) {
 177                 localStateView.setImageResource(R.drawable.local_file_indicator);
 178                 localStateView.setVisibility(View.VISIBLE);
 179             } else {
 180                 localStateView.setVisibility(View.INVISIBLE);
 181             }
 182
 183             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 184             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 185             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 186
 187             if (!file.isFolder()) {
 188                 fileSizeV.setVisibility(View.VISIBLE);
 189                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 190                 lastModV.setVisibility(View.VISIBLE);
 191                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 192                 // this if-else is needed even thoe fav icon is visible by default
 193                 // because android reuses views in listview
 194                 if (!file.keepInSync()) {
 195                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 196                 } else {
 197                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 198                 }
 199
 200                 GridView parentList = (GridView)parent;
 201                 if (parentList.getChoiceMode() == GridView.CHOICE_MODE_NONE) {
 202                     checkBoxV.setVisibility(View.GONE);
 203                 } else {
 204                     if (parentList.isItemChecked(position)) {
 205                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 206                     } else {
 207                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 208                     }
 209                     checkBoxV.setVisibility(View.VISIBLE);
 210                 }
 211
 212                 if (file.isImage() && file.isDown()){
 213                     Bitmap bitmap = BitmapFactory.decodeFile(file.getStoragePath());
 214                     fileIcon.setImageBitmap(ThumbnailUtils.extractThumbnail(bitmap, 100, 100));
 215                 } else {
 216                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 217                 }
 218
 219                 if (checkIfFileIsSharedWithMe(file)) {
 220                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 221                 }
 222             }
 223             else {
 224
 225                 fileSizeV.setVisibility(View.INVISIBLE);
 226                 //fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 227                 lastModV.setVisibility(View.VISIBLE);
 228                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 229                 checkBoxV.setVisibility(View.GONE);
 230                 view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 231
 232                 if (checkIfFileIsSharedWithMe(file)) {
 233                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 234                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 235                 } else {
 236                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 237                 }
 238
 239                 // If folder is sharedByLink, icon folder must be changed to
 240                 // folder-public one
 241                 if (file.isShareByLink()) {
 242                     fileIcon.setImageResource(R.drawable.folder_public);
 243                 }
 244             }
 245
 246             if (file.isShareByLink()) {
 247                 sharedIconV.setVisibility(View.VISIBLE);
 248             } else {
 249                 sharedIconV.setVisibility(View.GONE);
 250             }
 251         }
 252
 253         return view;
 254     }
 255
 256     @Override
 257     public int getViewTypeCount() {
 258         return 1;
 259     }
 260
 261     @Override
 262     public boolean hasStableIds() {
 263         return true;
 264     }
 265
 266     @Override
 267     public boolean isEmpty() {
 268         return (mFiles == null || mFiles.isEmpty());
 269     }
 270
 271     /**
 272      * Change the adapted directory for a new one
 273      * @param directory                 New file to adapt. Can be NULL, meaning "no content to adapt".
 274      * @param updatedStorageManager     Optional updated storage manager; used to replace mStorageManager if is different (and not NULL)
 275      */
 276     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 277         mFile = directory;
 278         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 279             mStorageManager = updatedStorageManager;
 280             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 281         }
 282         if (mStorageManager != null) {
 283             mFiles = mStorageManager.getFolderContent(mFile);
 284             if (mJustFolders) {
 285                 mFiles = getFolders(mFiles);
 286             }
 287         } else {
 288             mFiles = null;
 289         }
 290         notifyDataSetChanged();
 291     }
 292
 293
 294     /**
 295      * Filter for getting only the folders
 296      * @param files
 297      * @return Vector<OCFile>
 298      */
 299     public Vector<OCFile> getFolders(Vector<OCFile> files) {
 300         Vector<OCFile> ret = new Vector<OCFile>();
 301         OCFile current = null;
 302         for (int i=0; i<files.size(); i++) {
 303             current = files.get(i);
 304             if (current.isFolder()) {
 305                 ret.add(current);
 306             }
 307         }
 308         return ret;
 309     }
 310
 311
 312     /**
 313      * Check if parent folder does not include 'S' permission and if file/folder
 314      * is shared with me
 315      *
 316      * @param file: OCFile
 317      * @return boolean: True if it is shared with me and false if it is not
 318      */
 319     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 320         return (mFile.getPermissions() != null && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 321                 && file.getPermissions() != null && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 322     }
 323 }