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     /**
  82      * Use this when creating the fragment and display
  83      * a file at the same time
  84      *
  85      * @param showDetailsIntent The Intent with the required parameters
  86      * @see FileDetailFragment#updateFileDetails(Intent)
  87      */
  88     public FileDetailFragment(Intent showDetailsIntent) {
  89         mIntent = showDetailsIntent;
  90         mLayout = R.layout.file_details_fragment;
  91     }
  92
  93     @Override
  94     public void onResume() {
  95         super.onResume();
  96         mDownloadFinishReceiver = new DownloadFinishReceiver();
  97         IntentFilter filter = new IntentFilter(
  98                 FileDownloader.DOWNLOAD_FINISH_MESSAGE);
  99         getActivity().registerReceiver(mDownloadFinishReceiver, filter);
 100     }
 101
 102     @Override
 103     public void onPause() {
 104         super.onPause();
 105         getActivity().unregisterReceiver(mDownloadFinishReceiver);
 106         mDownloadFinishReceiver = null;
 107     }
 108
 109     /**
 110      * Use this method to signal this Activity that it shall update its view.
 111      *
 112      * @param intent The {@link Intent} that contains extra information about
 113      *            this file The intent needs to have these extras:
 114      *            <p>
 115      *
 116      *            {@link FileDetailFragment#FILE}: An {@link OCFile}
 117      *            {@link FileDownloader#EXTRA_ACCOUNT}: The Account that file
 118      *            belongs to (required for downloading)
 119      */
 120     public void updateFileDetails(Intent intent) {
 121         mIntent = intent;
 122         updateFileDetails();
 123     }
 124
 125     private void updateFileDetails() {
 126         mFile = mIntent.getParcelableExtra(FILE);
 127
 128         if (mFile != null) {
 129             // set file details
 130             setFilename(mFile.getFileName());
 131             setFiletype(DisplayUtils.convertMIMEtoPrettyPrint(mFile
 132                     .getMimetype()));
 133             setFilesize(mFile.getFileLength());
 134
 135             // Update preview
 136             if (mFile.getStoragePath() != null) {
 137                 if (mFile.getMimetype().startsWith("image/")) {
 138                     ImageView preview = (ImageView) getView().findViewById(
 139                             R.id.fdPreview);
 140                     Bitmap bmp = BitmapFactory.decodeFile(mFile.getStoragePath());
 141                     preview.setImageBitmap(bmp);
 142                 }
 143             }
 144
 145             // Make download button effective
 146             Button downloadButton = (Button) getView().findViewById(R.id.fdDownloadBtn);
 147             downloadButton.setOnClickListener(this);
 148         }
 149     }
 150
 151     private void setFilename(String filename) {
 152         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 153         if (tv != null)
 154             tv.setText(filename);
 155     }
 156
 157     private void setFiletype(String mimetype) {
 158         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 159         if (tv != null)
 160             tv.setText(mimetype);
 161     }
 162
 163     private void setFilesize(long filesize) {
 164         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 165         if (tv != null)
 166             tv.setText(DisplayUtils.bitsToHumanReadable(filesize));
 167     }
 168
 169     @Override
 170     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 171             Bundle savedInstanceState) {
 172         View view = null;
 173         view = inflater.inflate(mLayout, container, false);
 174         mView = view;
 175         if(mLayout == R.layout.file_details_fragment){
 176             // Phones will launch an activity with this intent
 177             if(mIntent == null){
 178                 mIntent = getActivity().getIntent();
 179             }
 180             updateFileDetails();
 181         }
 182
 183         return view;
 184     }
 185
 186
 187
 188     @Override
 189     public View getView() {
 190         return super.getView() == null ? mView : super.getView();
 191     }
 192
 193     @Override
 194     public void onClick(View v) {
 195         Toast.makeText(getActivity(), "Downloading", Toast.LENGTH_LONG).show();
 196         Intent i = new Intent(getActivity(), FileDownloader.class);
 197         i.putExtra(FileDownloader.EXTRA_ACCOUNT,
 198                 mIntent.getParcelableExtra(FileDownloader.EXTRA_ACCOUNT));
 199         i.putExtra(FileDownloader.EXTRA_FILE_PATH, mFile.getPath());
 200         getActivity().startService(i);
 201     }
 202
 203     private class DownloadFinishReceiver extends BroadcastReceiver {
 204         @Override
 205         public void onReceive(Context context, Intent intent) {
 206             updateFileDetails();
 207         }
 208
 209     }
 210
 211 }