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.FileFragment;
  44 import com.owncloud.android.ui.fragment.FilePreviewFragment;
  45
  46 import com.owncloud.android.AccountUtils;
  47 import com.owncloud.android.R;
  48
  49 /**
  50  * This activity displays the details of a file like its name, its size and so
  51  * on.
  52  *
  53  * @author Bartek Przybylski
  54  *
  55  */
  56 public class FileDetailActivity extends SherlockFragmentActivity implements FileDetailFragment.ContainerActivity {
  57
  58     public static final int DIALOG_SHORT_WAIT = 0;
  59
  60     public static final String TAG = FileDetailActivity.class.getSimpleName();
  61
  62     public static final String EXTRA_MODE = "MODE";
  63     public static final int MODE_DETAILS = 0;
  64     public static final int MODE_PREVIEW = 1;
  65
  66     private boolean mConfigurationChangedToLandscape = false;
  67     private FileDownloaderBinder mDownloaderBinder = null;
  68     private ServiceConnection mDownloadConnection, mUploadConnection = null;
  69     private FileUploaderBinder mUploaderBinder = null;
  70
  71
  72     @Override
  73     protected void onCreate(Bundle savedInstanceState) {
  74         super.onCreate(savedInstanceState);
  75
  76         // check if configuration changed to large-land ; for a tablet being changed from portrait to landscape when in FileDetailActivity
  77         Configuration conf = getResources().getConfiguration();
  78         mConfigurationChangedToLandscape = (conf.orientation == Configuration.ORIENTATION_LANDSCAPE &&
  79                                                 (conf.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE
  80                                            );
  81
  82         if (!mConfigurationChangedToLandscape) {
  83             mDownloadConnection = new DetailsServiceConnection();
  84             bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
  85             mUploadConnection = new DetailsServiceConnection();
  86             bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
  87
  88             setContentView(R.layout.file_activity_details);
  89
  90             ActionBar actionBar = getSupportActionBar();
  91             actionBar.setDisplayHomeAsUpEnabled(true);
  92
  93             if (savedInstanceState == null) {
  94                 createChildFragment();
  95             }
  96
  97         }  else {
  98             backToDisplayActivity();   // the 'back' won't be effective until this.onStart() and this.onResume() are completed;
  99         }
 100
 101
 102     }
 103
 104
 105     private void createChildFragment() {
 106         OCFile file = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 107         Account account = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
 108         int mode = getIntent().getIntExtra(EXTRA_MODE, MODE_PREVIEW);
 109
 110         Fragment newFragment = null;
 111         if (FilePreviewFragment.canBePreviewed(file) && mode == MODE_PREVIEW) {
 112             newFragment = new FilePreviewFragment(file, account);
 113
 114         } else {
 115             newFragment = new FileDetailFragment(file, account);
 116         }
 117         FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 118         ft.replace(R.id.fragment, newFragment, FileDetailFragment.FTAG);
 119         ft.commit();
 120     }
 121
 122
 123
 124     /** Defines callbacks for service binding, passed to bindService() */
 125     private class DetailsServiceConnection implements ServiceConnection {
 126
 127         @Override
 128         public void onServiceConnected(ComponentName component, IBinder service) {
 129             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 130                 Log.d(TAG, "Download service connected");
 131                 mDownloaderBinder = (FileDownloaderBinder) service;
 132             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 133                 Log.d(TAG, "Upload service connected");
 134                 mUploaderBinder = (FileUploaderBinder) service;
 135             } else {
 136                 return;
 137             }
 138             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 139             if (fragment != null && fragment instanceof FileDetailFragment) {
 140                 ((FileDetailFragment) fragment).updateFileDetails(false);   // let the fragment gets the mDownloadBinder through getDownloadBinder() (see FileDetailFragment#updateFileDetais())
 141             }
 142         }
 143
 144         @Override
 145         public void onServiceDisconnected(ComponentName component) {
 146             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 147                 Log.d(TAG, "Download service disconnected");
 148                 mDownloaderBinder = null;
 149             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 150                 Log.d(TAG, "Upload service disconnected");
 151                 mUploaderBinder = null;
 152             }
 153         }
 154     };
 155
 156
 157     @Override
 158     public void onDestroy() {
 159         super.onDestroy();
 160         if (mDownloadConnection != null) {
 161             unbindService(mDownloadConnection);
 162             mDownloadConnection = null;
 163         }
 164         if (mUploadConnection != null) {
 165             unbindService(mUploadConnection);
 166             mUploadConnection = null;
 167         }
 168     }
 169
 170
 171     @Override
 172     public boolean onOptionsItemSelected(MenuItem item) {
 173         boolean returnValue = false;
 174
 175         switch(item.getItemId()){
 176         case android.R.id.home:
 177             backToDisplayActivity();
 178             returnValue = true;
 179             break;
 180         default:
 181                 returnValue = super.onOptionsItemSelected(item);
 182         }
 183
 184         return returnValue;
 185     }
 186
 187
 188
 189     @Override
 190     protected void onResume() {
 191
 192         super.onResume();
 193         if (!mConfigurationChangedToLandscape) {
 194             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 195             if (fragment != null && fragment instanceof FileDetailFragment) {
 196                 ((FileDetailFragment) fragment).updateFileDetails(false);
 197             }
 198         }
 199     }
 200
 201
 202     private void backToDisplayActivity() {
 203         Intent intent = new Intent(this, FileDisplayActivity.class);
 204         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 205         intent.putExtra(FileDetailFragment.EXTRA_FILE, getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE));
 206         intent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT));
 207         startActivity(intent);
 208         finish();
 209     }
 210
 211
 212     @Override
 213     protected Dialog onCreateDialog(int id) {
 214         Dialog dialog = null;
 215         switch (id) {
 216         case DIALOG_SHORT_WAIT: {
 217             ProgressDialog working_dialog = new ProgressDialog(this);
 218             working_dialog.setMessage(getResources().getString(
 219                     R.string.wait_a_moment));
 220             working_dialog.setIndeterminate(true);
 221             working_dialog.setCancelable(false);
 222             dialog = working_dialog;
 223             break;
 224         }
 225         default:
 226             dialog = null;
 227         }
 228         return dialog;
 229     }
 230
 231
 232     /**
 233      * {@inheritDoc}
 234      */
 235     @Override
 236     public void onFileStateChanged() {
 237         // nothing to do here!
 238     }
 239
 240
 241     /**
 242      * {@inheritDoc}
 243      */
 244     @Override
 245     public FileDownloaderBinder getFileDownloaderBinder() {
 246         return mDownloaderBinder;
 247     }
 248
 249
 250     @Override
 251     public FileUploaderBinder getFileUploaderBinder() {
 252         return mUploaderBinder;
 253     }
 254
 255
 256     @Override
 257     public void showFragmentWithDetails(OCFile file) {
 258         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 259         transaction.replace(R.id.fragment, new FileDetailFragment(file, (Account) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT)), FileDetailFragment.FTAG);
 260         transaction.commit();
 261     }
 262
 263 }