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 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 android.accounts.Account;
  21 import android.content.Context;
  22 import android.view.LayoutInflater;
  23 import android.view.View;
  24 import android.view.ViewGroup;
  25 import android.widget.BaseAdapter;
  26 import android.widget.ImageView;
  27 import android.widget.ListAdapter;
  28 import android.widget.ListView;
  29 import android.widget.TextView;
  30
  31 import com.owncloud.android.DisplayUtils;
  32 import com.owncloud.android.R;
  33 import com.owncloud.android.authentication.AccountUtils;
  34 import com.owncloud.android.datamodel.DataStorageManager;
  35 import com.owncloud.android.datamodel.OCFile;
  36 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  37 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  38 import com.owncloud.android.ui.activity.TransferServiceGetter;
  39
  40 import java.util.Vector;
  41
  42
  43 /**
  44  * This Adapter populates a ListView with all files and folders in an ownCloud
  45  * instance.
  46  *
  47  * @author Bartek Przybylski
  48  *
  49  */
  50 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  51     private Context mContext;
  52     private OCFile mFile = null;
  53     private Vector<OCFile> mFiles = null;
  54     private DataStorageManager mStorageManager;
  55     private Account mAccount;
  56     private TransferServiceGetter mTransferServiceGetter;
  57     //total size of a directory (recursive)
  58     private Long totalSizeOfDirectoriesRecursive = null;
  59     private Long lastModifiedOfAllSubdirectories = null;
  60
  61     public FileListListAdapter(Context context, TransferServiceGetter transferServiceGetter) {
  62         mContext = context;
  63         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  64         mTransferServiceGetter = transferServiceGetter;
  65     }
  66
  67     @Override
  68     public boolean areAllItemsEnabled() {
  69         return true;
  70     }
  71
  72     @Override
  73     public boolean isEnabled(int position) {
  74         return true;
  75     }
  76
  77     @Override
  78     public int getCount() {
  79         return mFiles != null ? mFiles.size() : 0;
  80     }
  81
  82     @Override
  83     public Object getItem(int position) {
  84         if (mFiles == null || mFiles.size() <= position)
  85             return null;
  86         return mFiles.get(position);
  87     }
  88
  89     @Override
  90     public long getItemId(int position) {
  91         if (mFiles == null || mFiles.size() <= position)
  92             return 0;
  93         return mFiles.get(position).getFileId();
  94     }
  95
  96     @Override
  97     public int getItemViewType(int position) {
  98         return 0;
  99     }
 100
 101
 102     @Override
 103     public View getView(int position, View convertView, ViewGroup parent) {
 104         View view = convertView;
 105         if (view == null) {
 106             LayoutInflater inflator = (LayoutInflater) mContext
 107                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 108             view = inflator.inflate(R.layout.list_item, null);
 109         }
 110
 111         if (mFiles != null && mFiles.size() > position) {
 112             OCFile file = mFiles.get(position);
 113             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 114             String name = file.getFileName();
 115
 116             fileName.setText(name);
 117             ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 118             fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype()));
 119             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 120             FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 121             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 122             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 123                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 124                 localStateView.setVisibility(View.VISIBLE);
 125             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 126                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 127                 localStateView.setVisibility(View.VISIBLE);
 128             } else if (file.isDown()) {
 129                 localStateView.setImageResource(R.drawable.local_file_indicator);
 130                 localStateView.setVisibility(View.VISIBLE);
 131             } else {
 132                 localStateView.setVisibility(View.INVISIBLE);
 133             }
 134
 135             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 136             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 137             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 138
 139             if (!file.isDirectory()) {
 140                 fileSizeV.setVisibility(View.VISIBLE);
 141                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 142                 lastModV.setVisibility(View.VISIBLE);
 143                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 144                 // this if-else is needed even thoe fav icon is visible by default
 145                 // because android reuses views in listview
 146                 if (!file.keepInSync()) {
 147                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 148                 } else {
 149                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 150                 }
 151
 152                 ListView parentList = (ListView)parent;
 153                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 154                     checkBoxV.setVisibility(View.GONE);
 155                 } else {
 156                     if (parentList.isItemChecked(position)) {
 157                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 158                     } else {
 159                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 160                     }
 161                     checkBoxV.setVisibility(View.VISIBLE);
 162                 }
 163
 164             }
 165             else {
 166
 167                getDirectorySizeNumber(file,true);
 168                if (lastModifiedOfAllSubdirectories == null)
 169                {
 170                    lastModV.setVisibility(View.GONE);
 171                    fileSizeV.setVisibility(View.GONE);
 172                }
 173                else
 174                {
 175                    lastModV.setVisibility(View.VISIBLE);
 176                    lastModV.setText(DisplayUtils.unixTimeToHumanReadable(lastModifiedOfAllSubdirectories));
 177                    fileSizeV.setVisibility(View.VISIBLE);
 178                    fileSizeV.setText(DisplayUtils.bytesToHumanReadable((totalSizeOfDirectoriesRecursive == null) ? 0 : totalSizeOfDirectoriesRecursive));
 179                }
 180                checkBoxV.setVisibility(View.GONE);
 181                view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 182             }
 183         }
 184
 185         return view;
 186     }
 187
 188
 189     /**
 190      * - This method counts recursively all subdirectories and their files from the root directory.
 191      * - It also shows a timestamp of the last modificated file inside the root directory
 192      *
 193      *   @param OCFile  : startDirectory
 194      *   @param boolean :  counting starts from here ?
 195      */
 196     private void getDirectorySizeNumber(OCFile directory,boolean startOfRecursive) {
 197         if (startOfRecursive) {
 198             totalSizeOfDirectoriesRecursive = null;
 199         }
 200         Vector<OCFile> files  = mStorageManager.getDirectoryContent(directory);
 201         for (OCFile file : files) {
 202             if(!file.isDirectory()) {
 203                 if (totalSizeOfDirectoriesRecursive == null) {
 204                     totalSizeOfDirectoriesRecursive = file.getFileLength();
 205                     lastModifiedOfAllSubdirectories = file.getModificationTimestamp();
 206                     continue;
 207                 }
 208
 209                 totalSizeOfDirectoriesRecursive += file.getFileLength();
 210                 if (lastModifiedOfAllSubdirectories < file.getModificationTimestamp()) {
 211                     lastModifiedOfAllSubdirectories = file.getModificationTimestamp();
 212                 }
 213             }
 214             else {
 215                 this.getDirectorySizeNumber(file, false);
 216             }
 217         }
 218     }
 219
 220
 221     @Override
 222     public int getViewTypeCount() {
 223         return 1;
 224     }
 225
 226     @Override
 227     public boolean hasStableIds() {
 228         return true;
 229     }
 230
 231     @Override
 232     public boolean isEmpty() {
 233         return (mFiles == null || mFiles.isEmpty());
 234     }
 235
 236     /**
 237      * Change the adapted directory for a new one
 238      * @param directory                 New file to adapt. Can be NULL, meaning "no content to adapt".
 239      * @param updatedStorageManager     Optional updated storage manager; used to replace mStorageManager if is different (and not NULL)
 240      */
 241     public void swapDirectory(OCFile directory, DataStorageManager updatedStorageManager) {
 242         mFile = directory;
 243         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 244             mStorageManager = updatedStorageManager;
 245             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 246         }
 247         if (mStorageManager != null) {
 248             mFiles = mStorageManager.getDirectoryContent(mFile);
 249         } else {
 250             mFiles = null;
 251         }
 252         notifyDataSetChanged();
 253     }
 254
 255 }