src/com/owncloud/android/ui/adapter/FileListListAdapter.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 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 as published by
   7  *   the Free Software Foundation, either version 2 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19 package com.owncloud.android.ui.adapter;
  20
  21 import java.util.Vector;
  22
  23 import com.owncloud.android.AccountUtils;
  24 import com.owncloud.android.DisplayUtils;
  25 import com.owncloud.android.datamodel.DataStorageManager;
  26 import com.owncloud.android.datamodel.OCFile;
  27 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  28 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  29 import com.owncloud.android.ui.activity.TransferServiceGetter;
  30
  31 import com.owncloud.android.R;
  32
  33 import android.accounts.Account;
  34 import android.content.Context;
  35 import android.view.LayoutInflater;
  36 import android.view.View;
  37 import android.view.ViewGroup;
  38 import android.widget.BaseAdapter;
  39 import android.widget.ImageView;
  40 import android.widget.ListAdapter;
  41 import android.widget.ListView;
  42 import android.widget.TextView;
  43
  44 /**
  45  * This Adapter populates a ListView with all files and folders in an ownCloud
  46  * instance.
  47  *
  48  * @author Bartek Przybylski
  49  *
  50  */
  51 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  52     private Context mContext;
  53     private OCFile mFile = null;
  54     private Vector<OCFile> mFiles = null;
  55     private DataStorageManager mStorageManager;
  56     private Account mAccount;
  57     private TransferServiceGetter mTransferServiceGetter;
  58     //total size of a directory (recursive)
  59     private Long totalSizeOfDirectoriesRecursive = null;
  60     private Long lastModifiedOfAllSubdirectories = null;
  61
  62     public FileListListAdapter(OCFile file, DataStorageManager storage_man,
  63             Context context, TransferServiceGetter transferServiceGetter) {
  64         mStorageManager = storage_man;
  65         mContext = context;
  66         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  67         mTransferServiceGetter = transferServiceGetter;
  68         swapDirectory(file, mStorageManager);
  69         /*mFile = file;
  70         mFiles = mStorageManager.getDirectoryContent(mFile);*/
  71     }
  72
  73     @Override
  74     public boolean areAllItemsEnabled() {
  75         return true;
  76     }
  77
  78     @Override
  79     public boolean isEnabled(int position) {
  80         return true;
  81     }
  82
  83     @Override
  84     public int getCount() {
  85         return mFiles != null ? mFiles.size() : 0;
  86     }
  87
  88     @Override
  89     public Object getItem(int position) {
  90         if (mFiles == null || mFiles.size() <= position)
  91             return null;
  92         return mFiles.get(position);
  93     }
  94
  95     @Override
  96     public long getItemId(int position) {
  97         if (mFiles == null || mFiles.size() <= position)
  98             return 0;
  99         return mFiles.get(position).getFileId();
 100     }
 101
 102     @Override
 103     public int getItemViewType(int position) {
 104         return 0;
 105     }
 106
 107     @Override
 108     public View getView(int position, View convertView, ViewGroup parent) {
 109         View view = convertView;
 110         if (view == null) {
 111             LayoutInflater inflator = (LayoutInflater) mContext
 112                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 113             view = inflator.inflate(R.layout.list_item, null);
 114         }
 115         if (mFiles != null && mFiles.size() > position) {
 116             OCFile file = mFiles.get(position);
 117             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 118             String name = file.getFileName();
 119
 120             fileName.setText(name);
 121             ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 122             fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype()));
 123             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 124             FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 125             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 126             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 127                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 128                 localStateView.setVisibility(View.VISIBLE);
 129             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 130                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 131                 localStateView.setVisibility(View.VISIBLE);
 132             } else if (file.isDown()) {
 133                 localStateView.setImageResource(R.drawable.local_file_indicator);
 134                 localStateView.setVisibility(View.VISIBLE);
 135             } else {
 136                 localStateView.setVisibility(View.INVISIBLE);
 137             }
 138
 139
 140             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 141             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 142             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 143
 144             if (!file.isDirectory()) {
 145                 fileSizeV.setVisibility(View.VISIBLE);
 146                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 147                 lastModV.setVisibility(View.VISIBLE);
 148                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 149                 // this if-else is needed even thoe fav icon is visible by default
 150                 // because android reuses views in listview
 151                 if (!file.keepInSync()) {
 152                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 153                 } else {
 154                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 155                 }
 156
 157                 ListView parentList = (ListView)parent;
 158                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 159                     checkBoxV.setVisibility(View.GONE);
 160                 } else {
 161                     if (parentList.isItemChecked(position)) {
 162                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 163                     } else {
 164                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 165                     }
 166                     checkBoxV.setVisibility(View.VISIBLE);
 167                 }
 168
 169             }
 170             else {
 171                fileSizeV.setVisibility(View.VISIBLE);
 172                getDirectorySizeNumber(file,true);
 173                fileSizeV.setText(DisplayUtils.bytesToHumanReadable((totalSizeOfDirectoriesRecursive == null) ? 0 : totalSizeOfDirectoriesRecursive));
 174                lastModV.setVisibility(View.VISIBLE);
 175                lastModV.setText(DisplayUtils.unixTimeToHumanReadable((lastModifiedOfAllSubdirectories == null) ? 0 :lastModifiedOfAllSubdirectories));
 176                checkBoxV.setVisibility(View.GONE);
 177                view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 178             }
 179         }
 180
 181         return view;
 182     }
 183
 184
 185     /**
 186      * - This method counts recursively all subdirectories and their files from the root directory.
 187      * - It also shows a timestamp of the last modificated file inside the root directory
 188      *
 189      *   @param OCFile  : startDirectory
 190      *   @param boolean :  counting starts from here ?
 191      */
 192     private void getDirectorySizeNumber(OCFile directory,boolean startOfRecursive) {
 193         if (startOfRecursive) {
 194             totalSizeOfDirectoriesRecursive = null;
 195         }
 196         Vector<OCFile> files  = mStorageManager.getDirectoryContent(directory);
 197         for (OCFile file : files) {
 198             if(!file.isDirectory()) {
 199                 if (totalSizeOfDirectoriesRecursive == null) {
 200                     totalSizeOfDirectoriesRecursive = file.getFileLength();
 201                     lastModifiedOfAllSubdirectories = file.getModificationTimestamp();
 202                     continue;
 203                 }
 204
 205                 totalSizeOfDirectoriesRecursive += file.getFileLength();
 206                 if (lastModifiedOfAllSubdirectories < file.getModificationTimestamp()) {
 207                     lastModifiedOfAllSubdirectories = file.getModificationTimestamp();
 208                 }
 209             }
 210             else {
 211                 this.getDirectorySizeNumber(file, false);
 212             }
 213         }
 214     }
 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, DataStorageManager 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.getDirectoryContent(mFile);
 245         } else {
 246             mFiles = null;
 247         }
 248         notifyDataSetChanged();
 249     }
 250
 251 }