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.BroadcastReceiver;
  24 import android.content.ComponentName;
  25 import android.content.Context;
  26 import android.content.Intent;
  27 import android.content.IntentFilter;
  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
  36 import com.actionbarsherlock.app.ActionBar;
  37 import com.actionbarsherlock.app.SherlockFragmentActivity;
  38 import com.actionbarsherlock.view.MenuItem;
  39 import com.owncloud.android.datamodel.FileDataStorageManager;
  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.FileFragment;
  47 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  48
  49 import com.owncloud.android.AccountUtils;
  50 import com.owncloud.android.R;
  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 FileFragment.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     public 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     private OCFile mFile;
  78     private Account mAccount;
  79
  80     private FileDataStorageManager mStorageManager;
  81     private DownloadFinishReceiver mDownloadFinishReceiver;
  82
  83
  84     @Override
  85     protected void onCreate(Bundle savedInstanceState) {
  86         super.onCreate(savedInstanceState);
  87
  88         mFile = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
  89         mAccount = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
  90         mStorageManager = new FileDataStorageManager(mAccount, getContentResolver());
  91
  92         // check if configuration changed to large-land ; for a tablet being changed from portrait to landscape when in FileDetailActivity
  93         Configuration conf = getResources().getConfiguration();
  94         mConfigurationChangedToLandscape = (conf.orientation == Configuration.ORIENTATION_LANDSCAPE &&
  95                                                 (conf.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE
  96                                            );
  97
  98         if (!mConfigurationChangedToLandscape) {
  99             setContentView(R.layout.file_activity_details);
 100
 101             ActionBar actionBar = getSupportActionBar();
 102             actionBar.setDisplayHomeAsUpEnabled(true);
 103
 104             if (savedInstanceState == null) {
 105                 mWaitingToPreview = false;
 106                 createChildFragment();
 107             } else {
 108                 mWaitingToPreview = savedInstanceState.getBoolean(KEY_WAITING_TO_PREVIEW);
 109             }
 110
 111             mDownloadConnection = new DetailsServiceConnection();
 112             bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 113             mUploadConnection = new DetailsServiceConnection();
 114             bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 115
 116
 117         }  else {
 118             backToDisplayActivity();   // the 'back' won't be effective until this.onStart() and this.onResume() are completed;
 119         }
 120
 121
 122     }
 123
 124     /**
 125      * Creates the proper fragment depending upon the state of the handled {@link OCFile} and
 126      * the requested {@link Intent}.
 127      */
 128     private void createChildFragment() {
 129         int mode = getIntent().getIntExtra(EXTRA_MODE, MODE_PREVIEW);
 130
 131         Fragment newFragment = null;
 132         if (PreviewMediaFragment.canBePreviewed(mFile) && mode == MODE_PREVIEW) {
 133             if (mFile.isDown()) {
 134                 newFragment = new PreviewMediaFragment(mFile, mAccount);
 135
 136             } else {
 137                 newFragment = new FileDetailFragment(mFile, mAccount);
 138                 mWaitingToPreview = true;
 139             }
 140
 141         } else {
 142             newFragment = new FileDetailFragment(mFile, mAccount);
 143         }
 144         FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 145         ft.replace(R.id.fragment, newFragment, FileDetailFragment.FTAG);
 146         ft.commit();
 147     }
 148
 149
 150     @Override
 151     protected void onSaveInstanceState(Bundle outState) {
 152         super.onSaveInstanceState(outState);
 153         outState.putBoolean(KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 154     }
 155
 156
 157     @Override
 158     public void onPause() {
 159         super.onPause();
 160         if (mDownloadFinishReceiver != null) {
 161             unregisterReceiver(mDownloadFinishReceiver);
 162             mDownloadFinishReceiver = null;
 163         }
 164     }
 165
 166
 167     @Override
 168     public void onResume() {
 169         super.onResume();
 170         if (!mConfigurationChangedToLandscape) {
 171             // TODO this is probably unnecessary
 172             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 173             if (fragment != null && fragment instanceof FileDetailFragment) {
 174                 ((FileDetailFragment) fragment).updateFileDetails(false, false);
 175             }
 176         }
 177         // Listen for download messages
 178         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.DOWNLOAD_ADDED_MESSAGE);
 179         downloadIntentFilter.addAction(FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 180         mDownloadFinishReceiver = new DownloadFinishReceiver();
 181         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 182     }
 183
 184
 185     /** Defines callbacks for service binding, passed to bindService() */
 186     private class DetailsServiceConnection implements ServiceConnection {
 187
 188         @Override
 189         public void onServiceConnected(ComponentName component, IBinder service) {
 190
 191             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 192                 Log.d(TAG, "Download service connected");
 193                 mDownloaderBinder = (FileDownloaderBinder) service;
 194                 if (mWaitingToPreview) {
 195                     requestForDownload();
 196                 }
 197
 198             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 199                 Log.d(TAG, "Upload service connected");
 200                 mUploaderBinder = (FileUploaderBinder) service;
 201             } else {
 202                 return;
 203             }
 204
 205             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 206             FileDetailFragment detailsFragment = (fragment instanceof FileDetailFragment) ? (FileDetailFragment) fragment : null;
 207             if (detailsFragment != null) {
 208                 detailsFragment.listenForTransferProgress();
 209                 detailsFragment.updateFileDetails(mWaitingToPreview, false);   // let the fragment gets the mDownloadBinder through getDownloadBinder() (see FileDetailFragment#updateFileDetais())
 210             }
 211         }
 212
 213         @Override
 214         public void onServiceDisconnected(ComponentName component) {
 215             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 216                 Log.d(TAG, "Download service disconnected");
 217                 mDownloaderBinder = null;
 218             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 219                 Log.d(TAG, "Upload service disconnected");
 220                 mUploaderBinder = null;
 221             }
 222         }
 223     };
 224
 225
 226     @Override
 227     public void onDestroy() {
 228         super.onDestroy();
 229         if (mDownloadConnection != null) {
 230             unbindService(mDownloadConnection);
 231             mDownloadConnection = null;
 232         }
 233         if (mUploadConnection != null) {
 234             unbindService(mUploadConnection);
 235             mUploadConnection = null;
 236         }
 237     }
 238
 239
 240     @Override
 241     public boolean onOptionsItemSelected(MenuItem item) {
 242         boolean returnValue = false;
 243
 244         switch(item.getItemId()){
 245         case android.R.id.home:
 246             backToDisplayActivity();
 247             returnValue = true;
 248             break;
 249         default:
 250                 returnValue = super.onOptionsItemSelected(item);
 251         }
 252
 253         return returnValue;
 254     }
 255
 256
 257
 258     private void backToDisplayActivity() {
 259         Intent intent = new Intent(this, FileDisplayActivity.class);
 260         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 261         intent.putExtra(FileDetailFragment.EXTRA_FILE, mFile);
 262         intent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 263         startActivity(intent);
 264         finish();
 265     }
 266
 267
 268     @Override
 269     protected Dialog onCreateDialog(int id) {
 270         Dialog dialog = null;
 271         switch (id) {
 272         case DIALOG_SHORT_WAIT: {
 273             ProgressDialog working_dialog = new ProgressDialog(this);
 274             working_dialog.setMessage(getResources().getString(
 275                     R.string.wait_a_moment));
 276             working_dialog.setIndeterminate(true);
 277             working_dialog.setCancelable(false);
 278             dialog = working_dialog;
 279             break;
 280         }
 281         default:
 282             dialog = null;
 283         }
 284         return dialog;
 285     }
 286
 287
 288     /**
 289      * {@inheritDoc}
 290      */
 291     @Override
 292     public void onFileStateChanged() {
 293         // nothing to do here!
 294     }
 295
 296
 297     /**
 298      * {@inheritDoc}
 299      */
 300     @Override
 301     public FileDownloaderBinder getFileDownloaderBinder() {
 302         return mDownloaderBinder;
 303     }
 304
 305
 306     @Override
 307     public FileUploaderBinder getFileUploaderBinder() {
 308         return mUploaderBinder;
 309     }
 310
 311
 312     @Override
 313     public void showFragmentWithDetails(OCFile file) {
 314         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 315         transaction.replace(R.id.fragment, new FileDetailFragment(file, mAccount), FileDetailFragment.FTAG);
 316         transaction.commit();
 317     }
 318
 319
 320     private void requestForDownload() {
 321         if (!mDownloaderBinder.isDownloading(mAccount, mFile)) {
 322             Intent i = new Intent(this, FileDownloader.class);
 323             i.putExtra(FileDownloader.EXTRA_ACCOUNT, mAccount);
 324             i.putExtra(FileDownloader.EXTRA_FILE, mFile);
 325             startService(i);
 326         }
 327     }
 328
 329
 330     /**
 331      * Class waiting for broadcast events from the {@link FielDownloader} service.
 332      *
 333      * Updates the UI when a download is started or finished, provided that it is relevant for the
 334      * current file.
 335      */
 336     private class DownloadFinishReceiver extends BroadcastReceiver {
 337         @Override
 338         public void onReceive(Context context, Intent intent) {
 339             boolean sameAccount = isSameAccount(context, intent);
 340             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 341             boolean samePath = (mFile != null && mFile.getRemotePath().equals(downloadedRemotePath));
 342
 343             if (sameAccount && samePath) {
 344                 updateChildFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
 345             }
 346
 347             removeStickyBroadcast(intent);
 348         }
 349
 350         private boolean isSameAccount(Context context, Intent intent) {
 351             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 352             return (accountName != null && accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name));
 353         }
 354     }
 355
 356
 357     public void updateChildFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 358         Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 359         if (fragment != null && fragment instanceof FileDetailFragment) {
 360             FileDetailFragment detailsFragment = (FileDetailFragment) fragment;
 361             OCFile fileInFragment = detailsFragment.getFile();
 362             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 363                 // this never should happen; fileInFragment should be always equals to mFile, that was compared to downloadedRemotePath in DownloadReceiver
 364                 mWaitingToPreview = false;
 365
 366             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_ADDED_MESSAGE)) {
 367                 // grants that the progress bar is updated
 368                 detailsFragment.listenForTransferProgress();
 369                 detailsFragment.updateFileDetails(true, false);
 370
 371             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_FINISH_MESSAGE)) {
 372                 //  refresh the details fragment
 373                 if (success && mWaitingToPreview) {
 374                     mFile = mStorageManager.getFileById(mFile.getFileId());   // update the file from database, for the local storage path
 375                     FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 376                     transaction.replace(R.id.fragment, new PreviewMediaFragment(mFile, mAccount), FileDetailFragment.FTAG);
 377                     transaction.commit();
 378                     mWaitingToPreview = false;
 379
 380                 } else {
 381                     detailsFragment.updateFileDetails(false, (success));
 382                     // TODO error message if !success ¿?
 383                 }
 384             }
 385         } // TODO else if (fragment != null && fragment )
 386
 387
 388     }
 389
 390 }