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.net.Uri;
  27 import android.os.Bundle;
  28 import android.util.Log;
  29 import android.view.LayoutInflater;
  30 import android.view.View;
  31 import android.view.View.OnClickListener;
  32 import android.view.ViewGroup;
  33 import android.widget.Button;
  34 import android.widget.ImageView;
  35 import android.widget.TextView;
  36 import android.widget.Toast;
  37
  38 import com.actionbarsherlock.app.SherlockFragment;
  39
  40 import eu.alefzero.owncloud.DisplayUtils;
  41 import eu.alefzero.owncloud.FileDownloader;
  42 import eu.alefzero.owncloud.R;
  43 import eu.alefzero.owncloud.datamodel.OCFile;
  44
  45 /**
  46  * This Fragment is used to display the details about a file.
  47  *
  48  * @author Bartek Przybylski
  49  *
  50  */
  51 public class FileDetailFragment extends SherlockFragment implements
  52         OnClickListener {
  53
  54     public static final String FILE = "FILE";
  55
  56     private DownloadFinishReceiver mDownloadFinishReceiver;
  57     private Intent mIntent;
  58     private int mLayout;
  59     private View mView;
  60     private OCFile mFile;
  61     private static final String TAG = "FileDetailFragment";
  62
  63     /**
  64      * Default constructor - contains real layout
  65      */
  66     public FileDetailFragment(){
  67         mLayout = R.layout.file_details_fragment;
  68     }
  69
  70     /**
  71      * Creates a dummy layout. For use if the user never has
  72      * tapped on a file before
  73      *
  74      * @param useEmptyView If true, use empty layout
  75      */
  76     public FileDetailFragment(boolean useEmptyView){
  77         if(useEmptyView){
  78             mLayout = R.layout.file_details_empty;
  79         } else {
  80             mLayout = R.layout.file_details_fragment;
  81         }
  82     }
  83
  84     /**
  85      * Use this when creating the fragment and display
  86      * a file at the same time
  87      *
  88      * @param showDetailsIntent The Intent with the required parameters
  89      * @see FileDetailFragment#updateFileDetails(Intent)
  90      */
  91     public FileDetailFragment(Intent showDetailsIntent) {
  92         mIntent = showDetailsIntent;
  93         mLayout = R.layout.file_details_fragment;
  94     }
  95
  96     @Override
  97     public void onResume() {
  98         super.onResume();
  99         mDownloadFinishReceiver = new DownloadFinishReceiver();
 100         IntentFilter filter = new IntentFilter(
 101                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 102         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 103     }
 104
 105     @Override
 106     public void onPause() {
 107         super.onPause();
 108         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 109         mDownloadFinishReceiver = null;
 110     }
 111
 112     /**
 113      * Use this method to signal this Activity that it shall update its view.
 114      *
 115      * @param intent The {@link Intent} that contains extra information about
 116      *            this file The intent needs to have these extras:
 117      *            <p>
 118      *
 119      *            {@link FileDetailFragment#FILE}: An {@link OCFile}
 120      *            {@link FileDownloader#EXTRA_ACCOUNT}: The Account that file
 121      *            belongs to (required for downloading)
 122      */
 123     public void updateFileDetails(Intent intent) {
 124         mIntent = intent;
 125         updateFileDetails();
 126     }
 127
 128     private void updateFileDetails() {
 129         mFile = mIntent.getParcelableExtra(FILE);
 130         Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 131
 132         if (mFile != null) {
 133             // set file details
 134             setFilename(mFile.getFileName());
 135             setFiletype(DisplayUtils.convertMIMEtoPrettyPrint(mFile
 136                     .getMimetype()));
 137             setFilesize(mFile.getFileLength());
 138             // Update preview
 139             if (mFile.getStoragePath() != null) {
 140                 try {
 141                     if (mFile.getMimetype().startsWith("image/")) {
 142                         ImageView preview = (ImageView) getView().findViewById(
 143                                 R.id.fdPreview);
 144                         Bitmap bmp = BitmapFactory.decodeFile(mFile.getStoragePath());
 145                         preview.setImageBitmap(bmp);
 146                     }
 147                 } catch (OutOfMemoryError e) {
 148                     Log.e(TAG, "Out of memory occured for file with size " + mFile.getFileLength());
 149                 }
 150                 downloadButton.setText("Open file");
 151                 downloadButton.setOnClickListener(new OnClickListener() {
 152                     @Override
 153                     public void onClick(View v) {
 154                         Intent i = new Intent(Intent.ACTION_VIEW);
 155                         i.setDataAndType(Uri.parse("file://"+mFile.getStoragePath()), mFile.getMimetype());
 156                         startActivity(i);
 157                     }
 158                 });
 159             } else {
 160                 // Make download button effective
 161                 downloadButton.setOnClickListener(this);
 162             }
 163         }
 164     }
 165
 166     private void setFilename(String filename) {
 167         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 168         if (tv != null)
 169             tv.setText(filename);
 170     }
 171
 172     private void setFiletype(String mimetype) {
 173         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 174         if (tv != null)
 175             tv.setText(mimetype);
 176     }
 177
 178     private void setFilesize(long filesize) {
 179         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 180         if (tv != null)
 181             tv.setText(DisplayUtils.bitsToHumanReadable(filesize));
 182     }
 183
 184     @Override
 185     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 186             Bundle savedInstanceState) {
 187         View view = null;
 188         view = inflater.inflate(mLayout, container, false);
 189         mView = view;
 190         if(mLayout == R.layout.file_details_fragment){
 191             // Phones will launch an activity with this intent
 192             if(mIntent == null){
 193                 mIntent = getActivity().getIntent();
 194             }
 195             updateFileDetails();
 196         }
 197
 198         return view;
 199     }
 200
 201
 202
 203     @Override
 204     public View getView() {
 205         return super.getView() == null ? mView : super.getView();
 206     }
 207
 208     @Override
 209     public void onClick(View v) {
 210         Toast.makeText(getActivity(), "Downloading", Toast.LENGTH_LONG).show();
 211         Intent i = new Intent(getActivity(), FileDownloader.class);
 212         i.putExtra(FileDownloader.EXTRA_ACCOUNT,
 213                 mIntent.getParcelableExtra(FileDownloader.EXTRA_ACCOUNT));
 214         i.putExtra(FileDownloader.EXTRA_FILE_PATH, mFile.getPath());
 215         getActivity().startService(i);
 216     }
 217
 218     private class DownloadFinishReceiver extends BroadcastReceiver {
 219         @Override
 220         public void onReceive(Context context, Intent intent) {
 221             updateFileDetails();
 222         }
 223
 224     }
 225
 226 }