src/eu/alefzero/owncloud/ui/fragment/FileDetailFragment.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   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 eu.alefzero.owncloud.ui.fragment;
  19
  20 import android.content.BroadcastReceiver;
  21 import android.content.Context;
  22 import android.content.Intent;
  23 import android.content.IntentFilter;
  24 import android.graphics.Bitmap;
  25 import android.graphics.BitmapFactory;
  26 import android.os.Bundle;
  27 import android.view.LayoutInflater;
  28 import android.view.View;
  29 import android.view.View.OnClickListener;
  30 import android.view.ViewGroup;
  31 import android.widget.Button;
  32 import android.widget.ImageView;
  33 import android.widget.TextView;
  34 import android.widget.Toast;
  35
  36 import com.actionbarsherlock.app.SherlockFragment;
  37
  38 import eu.alefzero.owncloud.DisplayUtils;
  39 import eu.alefzero.owncloud.FileDownloader;
  40 import eu.alefzero.owncloud.R;
  41 import eu.alefzero.owncloud.datamodel.OCFile;
  42
  43 /**
  44  * This Fragment is used to display the details about a file.
  45  *
  46  * @author Bartek Przybylski
  47  *
  48  */
  49 public class FileDetailFragment extends SherlockFragment implements
  50         OnClickListener {
  51
  52     public static final String FILE = "FILE";
  53
  54     private DownloadFinishReceiver mDownloadFinishReceiver;
  55     private Intent mIntent;
  56     private int mLayout;
  57     private View mView;
  58     private OCFile mFile;
  59
  60     /**
  61      * Default constructor - contains real layout
  62      */
  63     public FileDetailFragment(){
  64         mLayout = R.layout.file_details_fragment;
  65     }
  66
  67     /**
  68      * Creates a dummy layout. For use if the user never has
  69      * tapped on a file before
  70      *
  71      * @param useEmptyView If true, use empty layout
  72      */
  73     public FileDetailFragment(boolean useEmptyView){
  74         if(useEmptyView){
  75             mLayout = R.layout.file_details_empty;
  76         } else {
  77             mLayout = R.layout.file_details_fragment;
  78         }
  79     }
  80
  81     @Override
  82     public void onResume() {
  83         super.onResume();
  84         mDownloadFinishReceiver = new DownloadFinishReceiver();
  85         IntentFilter filter = new IntentFilter(
  86                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
  87         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
  88     }
  89
  90     @Override
  91     public void onPause() {
  92         super.onPause();
  93         getActivity().unregisterReceiver(mDownloadFinishReceiver);
  94         mDownloadFinishReceiver = null;
  95     }
  96
  97     /**
  98      * Use this method to signal this Activity that it shall update its view.
  99      *
 100      * @param intent The {@link Intent} that contains extra information about
 101      *            this file The intent needs to have these extras:
 102      *            <p>
 103      *
 104      *            {@link FileDetailFragment#FILE}: An {@link OCFile}
 105      *            {@link FileDownloader#EXTRA_ACCOUNT}: The Account that file
 106      *            belongs to (required for downloading)
 107      */
 108     public void updateFileDetails(Intent intent) {
 109         mIntent = intent;
 110         updateFileDetails();
 111     }
 112
 113     private void updateFileDetails() {
 114         mFile = mIntent.getParcelableExtra(FILE);
 115
 116         if (mFile != null) {
 117             // set file details
 118             setFilename(mFile.getFileName());
 119             setFiletype(DisplayUtils.convertMIMEtoPrettyPrint(mFile
 120                     .getMimetype()));
 121             setFilesize(mFile.getFileLength());
 122
 123             // Update preview
 124             if (mFile.getStoragePath() != null) {
 125                 if (mFile.getMimetype().startsWith("image/")) {
 126                     ImageView preview = (ImageView) getView().findViewById(
 127                             R.id.fdPreview);
 128                     Bitmap bmp = BitmapFactory.decodeFile(mFile.getStoragePath());
 129                     preview.setImageBitmap(bmp);
 130                 }
 131             }
 132
 133             // Make download button effective
 134             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 135             downloadButton.setOnClickListener(this);
 136         }
 137     }
 138
 139     private void setFilename(String filename) {
 140         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 141         if (tv != null)
 142             tv.setText(filename);
 143     }
 144
 145     private void setFiletype(String mimetype) {
 146         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 147         if (tv != null)
 148             tv.setText(mimetype);
 149     }
 150
 151     private void setFilesize(long filesize) {
 152         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 153         if (tv != null)
 154             tv.setText(DisplayUtils.bitsToHumanReadable(filesize));
 155     }
 156
 157     @Override
 158     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 159             Bundle savedInstanceState) {
 160         View view = null;
 161         view = inflater.inflate(mLayout, container, false);
 162         mView = view;
 163         if(mLayout == R.layout.file_details_fragment){
 164             mIntent = getActivity().getIntent();
 165             updateFileDetails();
 166         }
 167
 168         return view;
 169     }
 170
 171
 172
 173     @Override
 174     public View getView() {
 175         return super.getView() == null ? mView : super.getView();
 176     }
 177
 178     @Override
 179     public void onClick(View v) {
 180         Toast.makeText(getActivity(), "Downloading", Toast.LENGTH_LONG).show();
 181         Intent i = new Intent(getActivity(), FileDownloader.class);
 182         i.putExtra(FileDownloader.EXTRA_ACCOUNT,
 183                 mIntent.getParcelableExtra(FileDownloader.EXTRA_ACCOUNT));
 184         i.putExtra(FileDownloader.EXTRA_FILE_PATH, mFile.getPath());
 185         getActivity().startService(i);
 186     }
 187
 188     private class DownloadFinishReceiver extends BroadcastReceiver {
 189         @Override
 190         public void onReceive(Context context, Intent intent) {
 191             updateFileDetails();
 192         }
 193
 194     }
 195
 196 }