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.content.res.Resources;
  26 import android.graphics.Bitmap;
  27 import android.graphics.BitmapFactory;
  28 import android.media.ThumbnailUtils;
  29 import android.util.TypedValue;
  30 import android.view.LayoutInflater;
  31 import android.view.View;
  32 import android.view.ViewGroup;
  33 import android.widget.BaseAdapter;
  34 import android.widget.ImageView;
  35 import android.widget.ListAdapter;
  36 import android.widget.ListView;
  37 import android.widget.TextView;
  38
  39 import com.owncloud.android.R;
  40 import com.owncloud.android.authentication.AccountUtils;
  41 import com.owncloud.android.datamodel.FileDataStorageManager;
  42 import com.owncloud.android.datamodel.OCFile;
  43 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  44 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  45 import com.owncloud.android.ui.activity.ComponentsGetter;
  46 import com.owncloud.android.utils.DisplayUtils;
  47 import com.owncloud.android.utils.Log_OC;
  48
  49
  50 /**
  51  * This Adapter populates a ListView with all files and folders in an ownCloud
  52  * instance.
  53  *
  54  * @author Bartek Przybylski
  55  *
  56  */
  57 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  58     private final static String PERMISSION_SHARED_WITH_ME = "S";
  59
  60     private Context mContext;
  61     private OCFile mFile = null;
  62     private Vector<OCFile> mFiles = null;
  63
  64     private FileDataStorageManager mStorageManager;
  65     private Account mAccount;
  66     private ComponentsGetter mTransferServiceGetter;
  67
  68     public FileListListAdapter(Context context, ComponentsGetter transferServiceGetter) {
  69         mContext = context;
  70         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  71         mTransferServiceGetter = transferServiceGetter;
  72     }
  73
  74     @Override
  75     public boolean areAllItemsEnabled() {
  76         return true;
  77     }
  78
  79     @Override
  80     public boolean isEnabled(int position) {
  81         return true;
  82     }
  83
  84     @Override
  85     public int getCount() {
  86         return mFiles != null ? mFiles.size() : 0;
  87     }
  88
  89     @Override
  90     public Object getItem(int position) {
  91         if (mFiles == null || mFiles.size() <= position)
  92             return null;
  93         return mFiles.get(position);
  94     }
  95
  96     @Override
  97     public long getItemId(int position) {
  98         if (mFiles == null || mFiles.size() <= position)
  99             return 0;
 100         return mFiles.get(position).getFileId();
 101     }
 102
 103     @Override
 104     public int getItemViewType(int position) {
 105         return 0;
 106     }
 107
 108     @Override
 109     public View getView(int position, View convertView, ViewGroup parent) {
 110
 111
 112         View view = convertView;
 113         if (view == null) {
 114             LayoutInflater inflator = (LayoutInflater) mContext
 115                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 116            view = inflator.inflate(R.layout.list_item, null);
 117
 118         }
 119
 120         if (mFiles != null && mFiles.size() > position) {
 121             OCFile file = mFiles.get(position);
 122             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 123             fileName.setVisibility(View.GONE);
 124             String name = file.getFileName();
 125
 126             fileName.setText(name);
 127             ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1);
 128             ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 129             ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 130             sharedWithMeIconV.setVisibility(View.GONE);
 131
 132             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 133             localStateView.bringToFront();
 134             FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 135             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 136             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 137                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 138                 localStateView.setVisibility(View.VISIBLE);
 139             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 140                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 141                 localStateView.setVisibility(View.VISIBLE);
 142             } else if (file.isDown()) {
 143                 localStateView.setImageResource(R.drawable.local_file_indicator);
 144                 localStateView.setVisibility(View.VISIBLE);
 145             } else {
 146                 localStateView.setVisibility(View.INVISIBLE);
 147             }
 148
 149             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 150             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 151             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 152
 153             if (!file.isFolder()) {
 154                 fileSizeV.setVisibility(View.VISIBLE);
 155                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 156                 lastModV.setVisibility(View.VISIBLE);
 157                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 158                 // this if-else is needed even thoe fav icon is visible by default
 159                 // because android reuses views in listview
 160                 if (!file.keepInSync()) {
 161                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 162                 } else {
 163                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 164                 }
 165
 166                 ListView parentList = (ListView)parent;
 167                 if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) {
 168                     checkBoxV.setVisibility(View.GONE);
 169                 } else {
 170                     if (parentList.isItemChecked(position)) {
 171                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 172                     } else {
 173                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 174                     }
 175                     checkBoxV.setVisibility(View.VISIBLE);
 176                 }
 177
 178                 // generate Thumbnail if file is available local and image
 179                 if (file.isDown() && file.isImage()){
 180                     // Converts dp to pixel
 181                     Resources r = mContext.getResources();
 182                     int px = (int) Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 150, r.getDisplayMetrics()));
 183                     Bitmap bitmap = BitmapFactory.decodeFile(file.getStoragePath());
 184                     fileIcon.setImageBitmap(ThumbnailUtils.extractThumbnail(bitmap, px, px));
 185                 } else {
 186                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 187                 }
 188
 189                 if (checkIfFileIsSharedWithMe(file)) {
 190                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 191                 }
 192             }
 193             else {
 194                 fileSizeV.setVisibility(View.INVISIBLE);
 195                 //fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 196                 lastModV.setVisibility(View.VISIBLE);
 197                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 198                 checkBoxV.setVisibility(View.GONE);
 199                 view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 200
 201                 if (checkIfFileIsSharedWithMe(file)) {
 202                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 203                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 204                 } else {
 205                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 206                 }
 207
 208                 // If folder is sharedByLink, icon folder must be changed to
 209                 // folder-public one
 210                 if (file.isShareByLink()) {
 211                     fileIcon.setImageResource(R.drawable.folder_public);
 212                 }
 213             }
 214
 215             if (file.isShareByLink()) {
 216                 sharedIconV.setVisibility(View.VISIBLE);
 217             } else {
 218                 sharedIconV.setVisibility(View.GONE);
 219             }
 220         }
 221
 222         return view;
 223     }
 224
 225     @Override
 226     public int getViewTypeCount() {
 227         return 1;
 228     }
 229
 230     @Override
 231     public boolean hasStableIds() {
 232         return true;
 233     }
 234
 235     @Override
 236     public boolean isEmpty() {
 237         return (mFiles == null || mFiles.isEmpty());
 238     }
 239
 240     /**
 241      * Change the adapted directory for a new one
 242      * @param directory                 New file to adapt. Can be NULL, meaning "no content to adapt".
 243      * @param updatedStorageManager     Optional updated storage manager; used to replace mStorageManager if is different (and not NULL)
 244      */
 245     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 246         mFile = directory;
 247         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 248             mStorageManager = updatedStorageManager;
 249             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 250         }
 251         if (mStorageManager != null) {
 252             mFiles = mStorageManager.getFolderContent(mFile);
 253         } else {
 254             mFiles = null;
 255         }
 256         notifyDataSetChanged();
 257     }
 258
 259     /**
 260      * Check if parent folder does not include 'S' permission and if file/folder
 261      * is shared with me
 262      *
 263      * @param file: OCFile
 264      * @return boolean: True if it is shared with me and false if it is not
 265      */
 266     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 267         return (mFile.getPermissions() != null && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 268                 && file.getPermissions() != null && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 269     }
 270 }