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 java.lang.ref.WeakReference;
  21
  22 import android.accounts.Account;
  23 import android.app.Dialog;
  24 import android.app.ProgressDialog;
  25 import android.content.ComponentName;
  26 import android.content.Context;
  27 import android.content.Intent;
  28 import android.content.ServiceConnection;
  29 import android.content.res.Configuration;
  30 import android.os.Bundle;
  31 import android.os.IBinder;
  32 import android.support.v4.app.Fragment;
  33 import android.support.v4.app.FragmentTransaction;
  34 import android.util.Log;
  35 import android.widget.ProgressBar;
  36
  37 import com.actionbarsherlock.app.ActionBar;
  38 import com.actionbarsherlock.app.SherlockFragmentActivity;
  39 import com.actionbarsherlock.view.MenuItem;
  40 import com.owncloud.android.datamodel.OCFile;
  41 import com.owncloud.android.files.services.FileDownloader;
  42 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  43 import com.owncloud.android.files.services.FileUploader;
  44 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  45 import com.owncloud.android.ui.fragment.FileDetailFragment;
  46 import com.owncloud.android.ui.fragment.FilePreviewFragment;
  47
  48 import com.owncloud.android.R;
  49
  50 import eu.alefzero.webdav.OnDatatransferProgressListener;
  51
  52 /**
  53  * This activity displays the details of a file like its name, its size and so
  54  * on.
  55  *
  56  * @author Bartek Przybylski
  57  * @author David A. Velasco
  58  */
  59 public class FileDetailActivity extends SherlockFragmentActivity implements FileDetailFragment.ContainerActivity {
  60
  61     public static final int DIALOG_SHORT_WAIT = 0;
  62
  63     public static final String TAG = FileDetailActivity.class.getSimpleName();
  64
  65     public static final String EXTRA_MODE = "MODE";
  66     public static final int MODE_DETAILS = 0;
  67     public static final int MODE_PREVIEW = 1;
  68
  69     private static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
  70
  71     private boolean mConfigurationChangedToLandscape = false;
  72     private FileDownloaderBinder mDownloaderBinder = null;
  73     private ServiceConnection mDownloadConnection, mUploadConnection = null;
  74     private FileUploaderBinder mUploaderBinder = null;
  75     private boolean mWaitingToPreview;
  76
  77
  78     @Override
  79     protected void onCreate(Bundle savedInstanceState) {
  80         super.onCreate(savedInstanceState);
  81
  82         // check if configuration changed to large-land ; for a tablet being changed from portrait to landscape when in FileDetailActivity
  83         Configuration conf = getResources().getConfiguration();
  84         mConfigurationChangedToLandscape = (conf.orientation == Configuration.ORIENTATION_LANDSCAPE &&
  85                                                 (conf.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE
  86                                            );
  87
  88         if (!mConfigurationChangedToLandscape) {
  89             mDownloadConnection = new DetailsServiceConnection();
  90             bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
  91             mUploadConnection = new DetailsServiceConnection();
  92             bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
  93
  94             setContentView(R.layout.file_activity_details);
  95
  96             ActionBar actionBar = getSupportActionBar();
  97             actionBar.setDisplayHomeAsUpEnabled(true);
  98
  99             if (savedInstanceState == null) {
 100                 mWaitingToPreview = false;
 101                 createChildFragment();
 102             } else {
 103                 mWaitingToPreview = savedInstanceState.getBoolean(KEY_WAITING_TO_PREVIEW);
 104             }
 105
 106         }  else {
 107             backToDisplayActivity();   // the 'back' won't be effective until this.onStart() and this.onResume() are completed;
 108         }
 109
 110
 111     }
 112
 113     /**
 114      * Creates the proper fragment depending upon the state of the handled {@link OCFile} and
 115      * the requested {@link Intent}.
 116      */
 117     private void createChildFragment() {
 118         OCFile file = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 119         Account account = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
 120         int mode = getIntent().getIntExtra(EXTRA_MODE, MODE_PREVIEW);
 121
 122         Fragment newFragment = null;
 123         if (FilePreviewFragment.canBePreviewed(file) && mode == MODE_PREVIEW) {
 124             if (file.isDown()) {
 125                 newFragment = new FilePreviewFragment(file, account);
 126
 127             } else {
 128                 newFragment = new FileDetailFragment(file, account);
 129                 mWaitingToPreview = true;
 130             }
 131
 132         } else {
 133             newFragment = new FileDetailFragment(file, account);
 134         }
 135         FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 136         ft.replace(R.id.fragment, newFragment, FileDetailFragment.FTAG);
 137         ft.commit();
 138     }
 139
 140
 141     @Override
 142     protected void onSaveInstanceState(Bundle outState) {
 143         outState.putBoolean(KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 144     }
 145
 146
 147     /** Defines callbacks for service binding, passed to bindService() */
 148     private class DetailsServiceConnection implements ServiceConnection {
 149
 150         @Override
 151         public void onServiceConnected(ComponentName component, IBinder service) {
 152
 153             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 154                 Log.d(TAG, "Download service connected");
 155                 mDownloaderBinder = (FileDownloaderBinder) service;
 156             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 157                 Log.d(TAG, "Upload service connected");
 158                 mUploaderBinder = (FileUploaderBinder) service;
 159             } else {
 160                 return;
 161             }
 162
 163             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 164             FileDetailFragment detailsFragment = (fragment instanceof FileDetailFragment) ? (FileDetailFragment) fragment : null;
 165             if (detailsFragment != null) {
 166                 detailsFragment.listenForTransferProgress();
 167                 detailsFragment.updateFileDetails(false);   // let the fragment gets the mDownloadBinder through getDownloadBinder() (see FileDetailFragment#updateFileDetais())
 168             }
 169         }
 170
 171         @Override
 172         public void onServiceDisconnected(ComponentName component) {
 173             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 174                 Log.d(TAG, "Download service disconnected");
 175                 mDownloaderBinder = null;
 176             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 177                 Log.d(TAG, "Upload service disconnected");
 178                 mUploaderBinder = null;
 179             }
 180         }
 181     };
 182
 183
 184     @Override
 185     public void onDestroy() {
 186         super.onDestroy();
 187         if (mDownloadConnection != null) {
 188             unbindService(mDownloadConnection);
 189             mDownloadConnection = null;
 190         }
 191         if (mUploadConnection != null) {
 192             unbindService(mUploadConnection);
 193             mUploadConnection = null;
 194         }
 195     }
 196
 197
 198     @Override
 199     public boolean onOptionsItemSelected(MenuItem item) {
 200         boolean returnValue = false;
 201
 202         switch(item.getItemId()){
 203         case android.R.id.home:
 204             backToDisplayActivity();
 205             returnValue = true;
 206             break;
 207         default:
 208                 returnValue = super.onOptionsItemSelected(item);
 209         }
 210
 211         return returnValue;
 212     }
 213
 214
 215
 216     @Override
 217     protected void onResume() {
 218
 219         super.onResume();
 220         if (!mConfigurationChangedToLandscape) {
 221             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 222             if (fragment != null && fragment instanceof FileDetailFragment) {
 223                 ((FileDetailFragment) fragment).updateFileDetails(false);
 224             }
 225         }
 226     }
 227
 228
 229     private void backToDisplayActivity() {
 230         Intent intent = new Intent(this, FileDisplayActivity.class);
 231         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 232         intent.putExtra(FileDetailFragment.EXTRA_FILE, getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE));
 233         intent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT));
 234         startActivity(intent);
 235         finish();
 236     }
 237
 238
 239     @Override
 240     protected Dialog onCreateDialog(int id) {
 241         Dialog dialog = null;
 242         switch (id) {
 243         case DIALOG_SHORT_WAIT: {
 244             ProgressDialog working_dialog = new ProgressDialog(this);
 245             working_dialog.setMessage(getResources().getString(
 246                     R.string.wait_a_moment));
 247             working_dialog.setIndeterminate(true);
 248             working_dialog.setCancelable(false);
 249             dialog = working_dialog;
 250             break;
 251         }
 252         default:
 253             dialog = null;
 254         }
 255         return dialog;
 256     }
 257
 258
 259     /**
 260      * {@inheritDoc}
 261      */
 262     @Override
 263     public void onFileStateChanged() {
 264         // nothing to do here!
 265     }
 266
 267
 268     /**
 269      * {@inheritDoc}
 270      */
 271     @Override
 272     public FileDownloaderBinder getFileDownloaderBinder() {
 273         return mDownloaderBinder;
 274     }
 275
 276
 277     @Override
 278     public FileUploaderBinder getFileUploaderBinder() {
 279         return mUploaderBinder;
 280     }
 281
 282
 283     @Override
 284     public void showFragmentWithDetails(OCFile file) {
 285         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 286         transaction.replace(R.id.fragment, new FileDetailFragment(file, (Account) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT)), FileDetailFragment.FTAG);
 287         transaction.commit();
 288     }
 289
 290 }