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.GridView;
  35 import android.widget.ImageView;
  36 import android.widget.ListAdapter;
  37 import android.widget.ListView;
  38 import android.widget.TextView;
  39
  40 import com.owncloud.android.R;
  41 import com.owncloud.android.authentication.AccountUtils;
  42 import com.owncloud.android.datamodel.FileDataStorageManager;
  43 import com.owncloud.android.datamodel.OCFile;
  44 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  45 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  46 import com.owncloud.android.ui.activity.ComponentsGetter;
  47 import com.owncloud.android.utils.DisplayUtils;
  48 import com.owncloud.android.utils.Log_OC;
  49
  50
  51 /**
  52  * This Adapter populates a ListView with all files and folders in an ownCloud
  53  * instance.
  54  *
  55  * @author Bartek Przybylski
  56  *
  57  */
  58 public class FileListListAdapter extends BaseAdapter implements ListAdapter {
  59     private final static String PERMISSION_SHARED_WITH_ME = "S";
  60
  61     private Context mContext;
  62     private OCFile mFile = null;
  63     private Vector<OCFile> mFiles = null;
  64
  65     private FileDataStorageManager mStorageManager;
  66     private Account mAccount;
  67     private ComponentsGetter mTransferServiceGetter;
  68
  69     public FileListListAdapter(Context context, ComponentsGetter transferServiceGetter) {
  70         mContext = context;
  71         mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
  72         mTransferServiceGetter = transferServiceGetter;
  73     }
  74
  75     @Override
  76     public boolean areAllItemsEnabled() {
  77         return true;
  78     }
  79
  80     @Override
  81     public boolean isEnabled(int position) {
  82         return true;
  83     }
  84
  85     @Override
  86     public int getCount() {
  87         return mFiles != null ? mFiles.size() : 0;
  88     }
  89
  90     @Override
  91     public Object getItem(int position) {
  92         if (mFiles == null || mFiles.size() <= position)
  93             return null;
  94         return mFiles.get(position);
  95     }
  96
  97     @Override
  98     public long getItemId(int position) {
  99         if (mFiles == null || mFiles.size() <= position)
 100             return 0;
 101         return mFiles.get(position).getFileId();
 102     }
 103
 104     @Override
 105     public int getItemViewType(int position) {
 106         return 0;
 107     }
 108
 109     @Override
 110     public View getView(int position, View convertView, ViewGroup parent) {
 111      // decide image vs. file view
 112         double count = 0;
 113
 114
 115         for (OCFile file : mFiles){
 116             if (file.isImage()){
 117                 count++;
 118             }
 119         }
 120
 121         // > 50% Images --> image view
 122         boolean fileView = true;
 123         if ((count / mFiles.size()) >= 0.5){
 124             Log_OC.i("FileListListAdapter", "Image View");
 125             fileView = false;
 126         } else {
 127             Log_OC.i("FileListListAdapter", "File View");
 128             fileView = true;
 129         }
 130
 131         View view = convertView;
 132 //        if (view == null) {
 133             LayoutInflater inflator = (LayoutInflater) mContext
 134                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 135             if (fileView){
 136                 view = inflator.inflate(R.layout.list_item, null);
 137             } else {
 138                 view = inflator.inflate(R.layout.image_item, null);
 139                 View frame = view.findViewById(R.id.imageItemFrame);
 140                 frame.setVisibility(View.GONE);
 141             }
 142 //        }
 143             view.invalidate();
 144
 145         if (mFiles != null && mFiles.size() > position) {
 146             OCFile file = mFiles.get(position);
 147             TextView fileName = (TextView) view.findViewById(R.id.Filename);
 148             if (!fileView){fileName.setVisibility(View.GONE);}
 149             String name = file.getFileName();
 150
 151             fileName.setText(name);
 152             ImageView fileIcon = (ImageView) view.findViewById(R.id.thumbnail);
 153             ImageView sharedIconV = (ImageView) view.findViewById(R.id.sharedIcon);
 154             ImageView sharedWithMeIconV = (ImageView) view.findViewById(R.id.sharedWithMeIcon);
 155             sharedWithMeIconV.setVisibility(View.GONE);
 156
 157             ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2);
 158             localStateView.bringToFront();
 159             FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder();
 160             FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder();
 161             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) {
 162                 localStateView.setImageResource(R.drawable.downloading_file_indicator);
 163                 localStateView.setVisibility(View.VISIBLE);
 164             } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) {
 165                 localStateView.setImageResource(R.drawable.uploading_file_indicator);
 166                 localStateView.setVisibility(View.VISIBLE);
 167             } else if (file.isDown()) {
 168                 localStateView.setImageResource(R.drawable.local_file_indicator);
 169                 localStateView.setVisibility(View.VISIBLE);
 170             } else {
 171                 localStateView.setVisibility(View.INVISIBLE);
 172             }
 173
 174             TextView fileSizeV = (TextView) view.findViewById(R.id.file_size);
 175             TextView lastModV = (TextView) view.findViewById(R.id.last_mod);
 176             ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox);
 177
 178             if (!file.isFolder()) {
 179                 fileSizeV.setVisibility(View.VISIBLE);
 180                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 181                 lastModV.setVisibility(View.VISIBLE);
 182                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 183                 // this if-else is needed even thoe fav icon is visible by default
 184                 // because android reuses views in listview
 185                 if (!file.keepInSync()) {
 186                     view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 187                 } else {
 188                     view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE);
 189                 }
 190
 191                 GridView parentList = (GridView)parent;
 192                 if (parentList.getChoiceMode() == GridView.CHOICE_MODE_NONE) {
 193                     checkBoxV.setVisibility(View.GONE);
 194                 } else {
 195                     if (parentList.isItemChecked(position)) {
 196                         checkBoxV.setImageResource(android.R.drawable.checkbox_on_background);
 197                     } else {
 198                         checkBoxV.setImageResource(android.R.drawable.checkbox_off_background);
 199                     }
 200                     checkBoxV.setVisibility(View.VISIBLE);
 201                 }
 202
 203                 // generate Thumbnail if file is available local and image
 204                 if (file.isDown() && file.isImage()){
 205                     // Converts dp to pixel
 206                     Resources r = mContext.getResources();
 207                     int px = (int) Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 150, r.getDisplayMetrics()));
 208                     Bitmap bitmap = BitmapFactory.decodeFile(file.getStoragePath());
 209                     fileIcon.setImageBitmap(ThumbnailUtils.extractThumbnail(bitmap, px, px));
 210                 } else {
 211                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 212                 }
 213
 214                 if (checkIfFileIsSharedWithMe(file)) {
 215                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 216                 }
 217             }
 218             else {
 219                 fileSizeV.setVisibility(View.INVISIBLE);
 220                 fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength()));
 221                 lastModV.setVisibility(View.VISIBLE);
 222                 lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp()));
 223                 checkBoxV.setVisibility(View.GONE);
 224                 view.findViewById(R.id.imageView3).setVisibility(View.GONE);
 225
 226                 if (checkIfFileIsSharedWithMe(file)) {
 227                     fileIcon.setImageResource(R.drawable.shared_with_me_folder);
 228                     sharedWithMeIconV.setVisibility(View.VISIBLE);
 229                 } else {
 230                     fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype(), file.getFileName()));
 231                 }
 232
 233                 // If folder is sharedByLink, icon folder must be changed to
 234                 // folder-public one
 235                 if (file.isShareByLink()) {
 236                     fileIcon.setImageResource(R.drawable.folder_public);
 237                 }
 238             }
 239
 240             if (file.isShareByLink()) {
 241                 sharedIconV.setVisibility(View.VISIBLE);
 242             } else {
 243                 sharedIconV.setVisibility(View.GONE);
 244             }
 245         }
 246
 247         return view;
 248     }
 249
 250     @Override
 251     public int getViewTypeCount() {
 252         return 1;
 253     }
 254
 255     @Override
 256     public boolean hasStableIds() {
 257         return true;
 258     }
 259
 260     @Override
 261     public boolean isEmpty() {
 262         return (mFiles == null || mFiles.isEmpty());
 263     }
 264
 265     /**
 266      * Change the adapted directory for a new one
 267      * @param directory                 New file to adapt. Can be NULL, meaning "no content to adapt".
 268      * @param updatedStorageManager     Optional updated storage manager; used to replace mStorageManager if is different (and not NULL)
 269      */
 270     public void swapDirectory(OCFile directory, FileDataStorageManager updatedStorageManager) {
 271         mFile = directory;
 272         if (updatedStorageManager != null && updatedStorageManager != mStorageManager) {
 273             mStorageManager = updatedStorageManager;
 274             mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext);
 275         }
 276         if (mStorageManager != null) {
 277             mFiles = mStorageManager.getFolderContent(mFile);
 278         } else {
 279             mFiles = null;
 280         }
 281         notifyDataSetChanged();
 282     }
 283
 284     /**
 285      * Check if parent folder does not include 'S' permission and if file/folder
 286      * is shared with me
 287      *
 288      * @param file: OCFile
 289      * @return boolean: True if it is shared with me and false if it is not
 290      */
 291     private boolean checkIfFileIsSharedWithMe(OCFile file) {
 292         return (mFile.getPermissions() != null && !mFile.getPermissions().contains(PERMISSION_SHARED_WITH_ME)
 293                 && file.getPermissions() != null && file.getPermissions().contains(PERMISSION_SHARED_WITH_ME));
 294     }
 295 }