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