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.io.ObjectInputStream.GetField;
  21 import java.util.Vector;
  22
  23 import android.accounts.Account;
  24 import android.content.Context;
  25 import android.graphics.Bitmap;
  26 import android.graphics.BitmapFactory;
  27 import android.media.ThumbnailUtils;
  28 import android.view.LayoutInflater;
  29 import android.view.View;
  30 import android.view.ViewGroup;
  31 import android.widget.BaseAdapter;
  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
  46
  47 /**
  48  * This Adapter populates a ListView with all files and folders in an ownCloud
  49  * instance.
  50  *
  51  * @author Bartek Przybylski
  52  *
  53  */
  54 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  55     private final static String PERMISSION_SHARED_WITH_ME = "S";
  56
  57     private Context mContext;
  58     private OCFile mFile = null;
  59     private Vector<OCFile> mFiles = null;
  60
  61     private FileDataStorageManager mStorageManager;
  62     private Account mAccount;
  63     private ComponentsGetter mTransferServiceGetter;
  64
  65     public FileListListAdapter(Context context, ComponentsGetter transferServiceGetter) {
  66         mContext = context;
  67         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  68         mTransferServiceGetter = transferServiceGetter;
  69     }
  70
  71     @Override
  72     public boolean areAllItemsEnabled() {
  73         return true;
  74     }
  75
  76     @Override
  77     public boolean isEnabled(int position) {
  78         return true;
  79     }
  80
  81     @Override
  82     public int getCount() {
  83         return mFiles != null ? mFiles.size() : 0;
  84     }
  85
  86     @Override
  87     public Object getItem(int position) {
  88         if (mFiles == null || mFiles.size() <= position)
  89             return null;
  90         return mFiles.get(position);
  91     }
  92
  93     @Override
  94     public long getItemId(int position) {
  95         if (mFiles == null || mFiles.size() <= position)
  96             return 0;
  97         return mFiles.get(position).getFileId();
  98     }
  99
 100     @Override
 101     public int getItemViewType(int position) {
 102         return 0;
 103     }
 104
 105     @Override
 106     public View getView(int position, View convertView, ViewGroup parent) {
 107         View view = convertView;
 108         if (view == null) {
 109             LayoutInflater inflator = (LayoutInflater) mContext
 110                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 111             view = inflator.inflate(R.layout.list_item, null);
 112         }
 113
 114         if (mFiles != null && mFiles.size() > position) {
 115             OCFile file = mFiles.get(position);
 116             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 117             String name = file.getFileName();
 118
 119             fileName.setText(name);
 120             ImageView fileIcon = (ImageView) view.findViewById(R.id.thumbnail);
 121             ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 122             ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 123             sharedWithMeIconV.setVisibility(View.GONE);
 124
 125             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 126             localStateView.bringToFront();
 127             FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 128             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 129             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 130                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 131                 localStateView.setVisibility(View.VISIBLE);
 132             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 133                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 134                 localStateView.setVisibility(View.VISIBLE);
 135             } else if (file.isDown()) {
 136                 localStateView.setImageResource(R.drawable.local_file_indicator);
 137                 localStateView.setVisibility(View.VISIBLE);
 138             } else {
 139                 localStateView.setVisibility(View.INVISIBLE);
 140             }
 141
 142             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 143             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 144             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 145
 146             if (!file.isFolder()) {
 147                 fileSizeV.setVisibility(View.VISIBLE);
 148                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 149                 lastModV.setVisibility(View.VISIBLE);
 150                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 151                 // this if-else is needed even thoe fav icon is visible by default
 152                 // because android reuses views in listview
 153                 if (!file.keepInSync()) {
 154                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 155                 } else {
 156                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 157                 }
 158
 159                 ListView parentList = (ListView)parent;
 160                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 161                     checkBoxV.setVisibility(View.GONE);
 162                 } else {
 163                     if (parentList.isItemChecked(position)) {
 164                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 165                     } else {
 166                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 167                     }
 168                     checkBoxV.setVisibility(View.VISIBLE);
 169                 }
 170
 171                 // generate Thumbnail if file is available local and image
 172                 if (file.isDown() && file.isImage()){
 173                     Bitmap bitmap = BitmapFactory.decodeFile(file.getStoragePath());
 174                     fileIcon.setImageBitmap(ThumbnailUtils.extractThumbnail(bitmap, 50, 50));
 175                 } else {
 176                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 177                 }
 178
 179                 if (checkIfFileIsSharedWithMe(file)) {
 180                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 181                 }
 182             }
 183             else {
 184
 185                 fileSizeV.setVisibility(View.INVISIBLE);
 186                 //fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 187                 lastModV.setVisibility(View.VISIBLE);
 188                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 189                 checkBoxV.setVisibility(View.GONE);
 190                 view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 191
 192                 if (checkIfFileIsSharedWithMe(file)) {
 193                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 194                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 195                 } else {
 196                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 197                 }
 198
 199                 // If folder is sharedByLink, icon folder must be changed to
 200                 // folder-public one
 201                 if (file.isShareByLink()) {
 202                     fileIcon.setImageResource(R.drawable.folder_public);
 203                 }
 204             }
 205
 206             if (file.isShareByLink()) {
 207                 sharedIconV.setVisibility(View.VISIBLE);
 208             } else {
 209                 sharedIconV.setVisibility(View.GONE);
 210             }
 211         }
 212
 213         return view;
 214     }
 215
 216     @Override
 217     public int getViewTypeCount() {
 218         return 1;
 219     }
 220
 221     @Override
 222     public boolean hasStableIds() {
 223         return true;
 224     }
 225
 226     @Override
 227     public boolean isEmpty() {
 228         return (mFiles == null || mFiles.isEmpty());
 229     }
 230
 231     /**
 232      * Change the adapted directory for a new one
 233      * @param directory                 New file to adapt. Can be NULL, meaning "no content to adapt".
 234      * @param updatedStorageManager     Optional updated storage manager; used to replace mStorageManager if is different (and not NULL)
 235      */
 236     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 237         mFile = directory;
 238         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 239             mStorageManager = updatedStorageManager;
 240             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 241         }
 242         if (mStorageManager != null) {
 243             mFiles = mStorageManager.getFolderContent(mFile);
 244         } else {
 245             mFiles = null;
 246         }
 247         notifyDataSetChanged();
 248     }
 249
 250     /**
 251      * Check if parent folder does not include 'S' permission and if file/folder
 252      * is shared with me
 253      *
 254      * @param file: OCFile
 255      * @return boolean: True if it is shared with me and false if it is not
 256      */
 257     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 258         return (mFile.getPermissions() != null && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 259                 && file.getPermissions() != null && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 260     }
 261 }