src/com/owncloud/android/ui/activity/FileDetailActivity.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 com.owncloud.android.ui.activity;
  19
  20 import android.accounts.Account;
  21 import android.app.Dialog;
  22 import android.app.ProgressDialog;
  23 import android.content.ComponentName;
  24 import android.content.Context;
  25 import android.content.Intent;
  26 import android.content.ServiceConnection;
  27 import android.content.res.Configuration;
  28 import android.os.Bundle;
  29 import android.os.IBinder;
  30 import android.support.v4.app.Fragment;
  31 import android.support.v4.app.FragmentTransaction;
  32 import android.util.Log;
  33
  34 import com.actionbarsherlock.app.ActionBar;
  35 import com.actionbarsherlock.app.SherlockFragmentActivity;
  36 import com.actionbarsherlock.view.MenuItem;
  37 import com.owncloud.android.datamodel.OCFile;
  38 import com.owncloud.android.files.services.FileDownloader;
  39 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  40 import com.owncloud.android.files.services.FileUploader;
  41 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  42 import com.owncloud.android.ui.fragment.FileDetailFragment;
  43 import com.owncloud.android.ui.fragment.FilePreviewFragment;
  44
  45 import com.owncloud.android.R;
  46
  47 /**
  48  * This activity displays the details of a file like its name, its size and so
  49  * on.
  50  *
  51  * @author Bartek Przybylski
  52  *
  53  */
  54 public class FileDetailActivity extends SherlockFragmentActivity implements FileDetailFragment.ContainerActivity {
  55
  56     public static final int DIALOG_SHORT_WAIT = 0;
  57
  58     public static final String TAG = FileDetailActivity.class.getSimpleName();
  59
  60     private boolean mConfigurationChangedToLandscape = false;
  61     private FileDownloaderBinder mDownloaderBinder = null;
  62     private ServiceConnection mDownloadConnection, mUploadConnection = null;
  63     private FileUploaderBinder mUploaderBinder = null;
  64
  65
  66     @Override
  67     protected void onCreate(Bundle savedInstanceState) {
  68         super.onCreate(savedInstanceState);
  69
  70         // check if configuration changed to large-land ; for a tablet being changed from portrait to landscape when in FileDetailActivity
  71         Configuration conf = getResources().getConfiguration();
  72         mConfigurationChangedToLandscape = (conf.orientation == Configuration.ORIENTATION_LANDSCAPE &&
  73                                                 (conf.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE
  74                                            );
  75
  76         if (!mConfigurationChangedToLandscape) {
  77             mDownloadConnection = new DetailsServiceConnection();
  78             bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
  79             mUploadConnection = new DetailsServiceConnection();
  80             bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
  81
  82             setContentView(R.layout.file_activity_details);
  83
  84             ActionBar actionBar = getSupportActionBar();
  85             actionBar.setDisplayHomeAsUpEnabled(true);
  86
  87             if (savedInstanceState == null) {
  88                 createChildFragment();
  89             }
  90
  91         }  else {
  92             backToDisplayActivity();   // the 'back' won't be effective until this.onStart() and this.onResume() are completed;
  93         }
  94
  95
  96     }
  97
  98
  99     private void createChildFragment() {
 100         OCFile file = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 101         Account account = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
 102         Fragment newFragment = null;
 103         if (FilePreviewFragment.canBePreviewed(file)) {
 104             newFragment = new FilePreviewFragment(file, account);
 105
 106         } else {
 107             newFragment = new FileDetailFragment(file, account);
 108         }
 109         FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 110         ft.replace(R.id.fragment, newFragment, FileDetailFragment.FTAG);
 111         ft.commit();
 112     }
 113
 114
 115
 116     /** Defines callbacks for service binding, passed to bindService() */
 117     private class DetailsServiceConnection implements ServiceConnection {
 118
 119         @Override
 120         public void onServiceConnected(ComponentName component, IBinder service) {
 121             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 122                 Log.d(TAG, "Download service connected");
 123                 mDownloaderBinder = (FileDownloaderBinder) service;
 124             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 125                 Log.d(TAG, "Upload service connected");
 126                 mUploaderBinder = (FileUploaderBinder) service;
 127             } else {
 128                 return;
 129             }
 130             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 131             if (fragment != null && fragment instanceof FileDetailFragment) {
 132                 ((FileDetailFragment) fragment).updateFileDetails(false);   // let the fragment gets the mDownloadBinder through getDownloadBinder() (see FileDetailFragment#updateFileDetais())
 133             }
 134         }
 135
 136         @Override
 137         public void onServiceDisconnected(ComponentName component) {
 138             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 139                 Log.d(TAG, "Download service disconnected");
 140                 mDownloaderBinder = null;
 141             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 142                 Log.d(TAG, "Upload service disconnected");
 143                 mUploaderBinder = null;
 144             }
 145         }
 146     };
 147
 148
 149     @Override
 150     public void onDestroy() {
 151         super.onDestroy();
 152         if (mDownloadConnection != null) {
 153             unbindService(mDownloadConnection);
 154             mDownloadConnection = null;
 155         }
 156         if (mUploadConnection != null) {
 157             unbindService(mUploadConnection);
 158             mUploadConnection = null;
 159         }
 160     }
 161
 162
 163     @Override
 164     public boolean onOptionsItemSelected(MenuItem item) {
 165         boolean returnValue = false;
 166
 167         switch(item.getItemId()){
 168         case android.R.id.home:
 169             backToDisplayActivity();
 170             returnValue = true;
 171             break;
 172         default:
 173                 returnValue = super.onOptionsItemSelected(item);
 174         }
 175
 176         return returnValue;
 177     }
 178
 179
 180
 181     @Override
 182     protected void onResume() {
 183
 184         super.onResume();
 185         if (!mConfigurationChangedToLandscape) {
 186             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 187             if (fragment != null && fragment instanceof FileDetailFragment) {
 188                 ((FileDetailFragment) fragment).updateFileDetails(false);
 189             }
 190         }
 191     }
 192
 193
 194     private void backToDisplayActivity() {
 195         Intent intent = new Intent(this, FileDisplayActivity.class);
 196         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 197         intent.putExtra(FileDetailFragment.EXTRA_FILE, getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE));
 198         intent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT));
 199         startActivity(intent);
 200         finish();
 201     }
 202
 203
 204     @Override
 205     protected Dialog onCreateDialog(int id) {
 206         Dialog dialog = null;
 207         switch (id) {
 208         case DIALOG_SHORT_WAIT: {
 209             ProgressDialog working_dialog = new ProgressDialog(this);
 210             working_dialog.setMessage(getResources().getString(
 211                     R.string.wait_a_moment));
 212             working_dialog.setIndeterminate(true);
 213             working_dialog.setCancelable(false);
 214             dialog = working_dialog;
 215             break;
 216         }
 217         default:
 218             dialog = null;
 219         }
 220         return dialog;
 221     }
 222
 223
 224     /**
 225      * {@inheritDoc}
 226      */
 227     @Override
 228     public void onFileStateChanged() {
 229         // nothing to do here!
 230     }
 231
 232
 233     /**
 234      * {@inheritDoc}
 235      */
 236     @Override
 237     public FileDownloaderBinder getFileDownloaderBinder() {
 238         return mDownloaderBinder;
 239     }
 240
 241
 242     @Override
 243     public FileUploaderBinder getFileUploaderBinder() {
 244         return mUploaderBinder;
 245     }
 246
 247 }