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     public ProgressListener mProgressListener;
  78
  79
  80     @Override
  81     protected void onCreate(Bundle savedInstanceState) {
  82         super.onCreate(savedInstanceState);
  83
  84         // check if configuration changed to large-land ; for a tablet being changed from portrait to landscape when in FileDetailActivity
  85         Configuration conf = getResources().getConfiguration();
  86         mConfigurationChangedToLandscape = (conf.orientation == Configuration.ORIENTATION_LANDSCAPE &&
  87                                                 (conf.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE
  88                                            );
  89
  90         if (!mConfigurationChangedToLandscape) {
  91             mDownloadConnection = new DetailsServiceConnection();
  92             bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
  93             mUploadConnection = new DetailsServiceConnection();
  94             bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
  95
  96             setContentView(R.layout.file_activity_details);
  97
  98             ActionBar actionBar = getSupportActionBar();
  99             actionBar.setDisplayHomeAsUpEnabled(true);
 100
 101             if (savedInstanceState == null) {
 102                 mWaitingToPreview = false;
 103                 createChildFragment();
 104             } else {
 105                 mWaitingToPreview = savedInstanceState.getBoolean(KEY_WAITING_TO_PREVIEW);
 106             }
 107
 108         }  else {
 109             backToDisplayActivity();   // the 'back' won't be effective until this.onStart() and this.onResume() are completed;
 110         }
 111
 112
 113     }
 114
 115     /**
 116      * Creates the proper fragment depending upon the state of the handled {@link OCFile} and
 117      * the requested {@link Intent}.
 118      */
 119     private void createChildFragment() {
 120         OCFile file = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
 121         Account account = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
 122         int mode = getIntent().getIntExtra(EXTRA_MODE, MODE_PREVIEW);
 123
 124         Fragment newFragment = null;
 125         if (FilePreviewFragment.canBePreviewed(file) && mode == MODE_PREVIEW) {
 126             if (file.isDown()) {
 127                 newFragment = new FilePreviewFragment(file, account);
 128
 129             } else {
 130                 newFragment = new FileDetailFragment(file, account);
 131                 mWaitingToPreview = true;
 132             }
 133
 134         } else {
 135             newFragment = new FileDetailFragment(file, account);
 136         }
 137         FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 138         ft.replace(R.id.fragment, newFragment, FileDetailFragment.FTAG);
 139         ft.commit();
 140     }
 141
 142
 143     @Override
 144     protected void onSaveInstanceState(Bundle outState) {
 145         outState.putBoolean(KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 146     }
 147
 148
 149     /** Defines callbacks for service binding, passed to bindService() */
 150     private class DetailsServiceConnection implements ServiceConnection {
 151
 152         @Override
 153         public void onServiceConnected(ComponentName component, IBinder service) {
 154             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 155             FileDetailFragment detailsFragment = (fragment instanceof FileDetailFragment) ? (FileDetailFragment) fragment : null;
 156
 157             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 158                 Log.d(TAG, "Download service connected");
 159                 mDownloaderBinder = (FileDownloaderBinder) service;
 160                 if (detailsFragment != null) {
 161                     mProgressListener = new ProgressListener(detailsFragment.getProgressBar());
 162                     mDownloaderBinder.addDatatransferProgressListener(
 163                             mProgressListener,
 164                             (Account) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT),
 165                             (OCFile) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE)
 166                             );
 167                 }
 168             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 169                 Log.d(TAG, "Upload service connected");
 170                 mUploaderBinder = (FileUploaderBinder) service;
 171                 if (detailsFragment != null) {
 172                     mProgressListener = new ProgressListener(detailsFragment.getProgressBar());
 173                     mUploaderBinder.addDatatransferProgressListener(
 174                             mProgressListener,
 175                             (Account) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT),
 176                             (OCFile) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE)
 177                             );
 178                 }
 179             } else {
 180                 return;
 181             }
 182
 183             if (detailsFragment != null) {
 184                 detailsFragment.updateFileDetails(false);   // let the fragment gets the mDownloadBinder through getDownloadBinder() (see FileDetailFragment#updateFileDetais())
 185             }
 186         }
 187
 188         @Override
 189         public void onServiceDisconnected(ComponentName component) {
 190             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 191                 Log.d(TAG, "Download service disconnected");
 192                 mDownloaderBinder = null;
 193             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 194                 Log.d(TAG, "Upload service disconnected");
 195                 mUploaderBinder = null;
 196             }
 197         }
 198     };
 199
 200
 201     /**
 202      * Helper class responsible for updating the progress bar shown for file uploading or downloading
 203      *
 204      * @author David A. Velasco
 205      */
 206     private class ProgressListener implements OnDatatransferProgressListener {
 207         int mLastPercent = 0;
 208         WeakReference<ProgressBar> mProgressBar = null;
 209
 210         ProgressListener(ProgressBar progressBar) {
 211             mProgressBar = new WeakReference<ProgressBar>(progressBar);
 212         }
 213
 214         @Override
 215         public void onTransferProgress(long progressRate) {
 216             // old method, nothing here
 217         };
 218
 219         @Override
 220         public void onTransferProgress(long progressRate, long totalTransferredSoFar, long totalToTransfer, String filename) {
 221             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 222             if (percent != mLastPercent) {
 223                 ProgressBar pb = mProgressBar.get();
 224                 if (pb != null) {
 225                     pb.setProgress(percent);
 226                 }
 227             }
 228             mLastPercent = percent;
 229         }
 230
 231     };
 232
 233
 234     @Override
 235     public void onDestroy() {
 236         super.onDestroy();
 237         if (mDownloadConnection != null) {
 238             unbindService(mDownloadConnection);
 239             mDownloadConnection = null;
 240         }
 241         if (mUploadConnection != null) {
 242             unbindService(mUploadConnection);
 243             mUploadConnection = null;
 244         }
 245     }
 246
 247
 248     @Override
 249     public boolean onOptionsItemSelected(MenuItem item) {
 250         boolean returnValue = false;
 251
 252         switch(item.getItemId()){
 253         case android.R.id.home:
 254             backToDisplayActivity();
 255             returnValue = true;
 256             break;
 257         default:
 258                 returnValue = super.onOptionsItemSelected(item);
 259         }
 260
 261         return returnValue;
 262     }
 263
 264
 265
 266     @Override
 267     protected void onResume() {
 268
 269         super.onResume();
 270         if (!mConfigurationChangedToLandscape) {
 271             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 272             if (fragment != null && fragment instanceof FileDetailFragment) {
 273                 ((FileDetailFragment) fragment).updateFileDetails(false);
 274             }
 275         }
 276     }
 277
 278
 279     private void backToDisplayActivity() {
 280         Intent intent = new Intent(this, FileDisplayActivity.class);
 281         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 282         intent.putExtra(FileDetailFragment.EXTRA_FILE, getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE));
 283         intent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT));
 284         startActivity(intent);
 285         finish();
 286     }
 287
 288
 289     @Override
 290     protected Dialog onCreateDialog(int id) {
 291         Dialog dialog = null;
 292         switch (id) {
 293         case DIALOG_SHORT_WAIT: {
 294             ProgressDialog working_dialog = new ProgressDialog(this);
 295             working_dialog.setMessage(getResources().getString(
 296                     R.string.wait_a_moment));
 297             working_dialog.setIndeterminate(true);
 298             working_dialog.setCancelable(false);
 299             dialog = working_dialog;
 300             break;
 301         }
 302         default:
 303             dialog = null;
 304         }
 305         return dialog;
 306     }
 307
 308
 309     /**
 310      * {@inheritDoc}
 311      */
 312     @Override
 313     public void onFileStateChanged() {
 314         // nothing to do here!
 315     }
 316
 317
 318     /**
 319      * {@inheritDoc}
 320      */
 321     @Override
 322     public FileDownloaderBinder getFileDownloaderBinder() {
 323         return mDownloaderBinder;
 324     }
 325
 326
 327     @Override
 328     public FileUploaderBinder getFileUploaderBinder() {
 329         return mUploaderBinder;
 330     }
 331
 332
 333     @Override
 334     public void showFragmentWithDetails(OCFile file) {
 335         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 336         transaction.replace(R.id.fragment, new FileDetailFragment(file, (Account) getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT)), FileDetailFragment.FTAG);
 337         transaction.commit();
 338     }
 339
 340 }