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                 fileSizeV.setVisibility(View.VISIBLE);
 168                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 169                 lastModV.setVisibility(View.VISIBLE);
 170                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 171                checkBoxV.setVisibility(View.GONE);
 172                view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 173             }
 174         }
 175
 176         return view;
 177     }
 178
 179     @Override
 180     public int getViewTypeCount() {
 181         return 1;
 182     }
 183
 184     @Override
 185     public boolean hasStableIds() {
 186         return true;
 187     }
 188
 189     @Override
 190     public boolean isEmpty() {
 191         return (mFiles == null || mFiles.isEmpty());
 192     }
 193
 194     /**
 195      * Change the adapted directory for a new one
 196      * @param directory                 New file to adapt. Can be NULL, meaning "no content to adapt".
 197      * @param updatedStorageManager     Optional updated storage manager; used to replace mStorageManager if is different (and not NULL)
 198      */
 199     public void swapDirectory(OCFile directory, DataStorageManager updatedStorageManager) {
 200         mFile = directory;
 201         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 202             mStorageManager = updatedStorageManager;
 203             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 204         }
 205         if (mStorageManager != null) {
 206             mFiles = mStorageManager.getDirectoryContent(mFile);
 207         } else {
 208             mFiles = null;
 209         }
 210         notifyDataSetChanged();
 211     }
 212
 213 }