src/com/owncloud/android/ui/activity/FileDetailActivity.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, either version 2 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19 package com.owncloud.android.ui.activity;
  20
  21 import android.accounts.Account;
  22 import android.app.Dialog;
  23 import android.app.ProgressDialog;
  24 import android.content.BroadcastReceiver;
  25 import android.content.ComponentName;
  26 import android.content.Context;
  27 import android.content.Intent;
  28 import android.content.IntentFilter;
  29 import android.content.ServiceConnection;
  30 import android.content.res.Configuration;
  31 import android.os.Bundle;
  32 import android.os.IBinder;
  33 import android.support.v4.app.Fragment;
  34 import android.support.v4.app.FragmentTransaction;
  35 import android.util.Log;
  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.FileDataStorageManager;
  41 import com.owncloud.android.datamodel.OCFile;
  42 import com.owncloud.android.files.services.FileDownloader;
  43 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  44 import com.owncloud.android.files.services.FileUploader;
  45 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  46 import com.owncloud.android.ui.fragment.FileDetailFragment;
  47 import com.owncloud.android.ui.fragment.FileFragment;
  48 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  49
  50 import com.owncloud.android.AccountUtils;
  51 import com.owncloud.android.R;
  52
  53 /**
  54  * This activity displays the details of a file like its name, its size and so
  55  * on.
  56  *
  57  * @author Bartek Przybylski
  58  * @author David A. Velasco
  59  */
  60 public class FileDetailActivity extends SherlockFragmentActivity implements FileFragment.ContainerActivity {
  61
  62     public static final int DIALOG_SHORT_WAIT = 0;
  63
  64     public static final String TAG = FileDetailActivity.class.getSimpleName();
  65
  66     public static final String EXTRA_MODE = "MODE";
  67     public static final int MODE_DETAILS = 0;
  68     public static final int MODE_PREVIEW = 1;
  69
  70     public static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
  71
  72     private boolean mConfigurationChangedToLandscape = false;
  73     private FileDownloaderBinder mDownloaderBinder = null;
  74     private ServiceConnection mDownloadConnection, mUploadConnection = null;
  75     private FileUploaderBinder mUploaderBinder = null;
  76     private boolean mWaitingToPreview;
  77
  78     private OCFile mFile;
  79     private Account mAccount;
  80
  81     private FileDataStorageManager mStorageManager;
  82     private DownloadFinishReceiver mDownloadFinishReceiver;
  83
  84
  85     @Override
  86     protected void onCreate(Bundle savedInstanceState) {
  87         super.onCreate(savedInstanceState);
  88
  89         mFile = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
  90         mAccount = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
  91         mStorageManager = new FileDataStorageManager(mAccount, getContentResolver());
  92
  93         // check if configuration changed to large-land ; for a tablet being changed from portrait to landscape when in FileDetailActivity
  94         Configuration conf = getResources().getConfiguration();
  95         mConfigurationChangedToLandscape = (conf.orientation == Configuration.ORIENTATION_LANDSCAPE &&
  96                                                 (conf.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE
  97                                            );
  98
  99         if (!mConfigurationChangedToLandscape) {
 100             setContentView(R.layout.file_activity_details);
 101
 102             ActionBar actionBar = getSupportActionBar();
 103             actionBar.setDisplayHomeAsUpEnabled(true);
 104
 105             if (savedInstanceState == null) {
 106                 mWaitingToPreview = false;
 107                 createChildFragment();
 108             } else {
 109                 mWaitingToPreview = savedInstanceState.getBoolean(KEY_WAITING_TO_PREVIEW);
 110             }
 111
 112             mDownloadConnection = new DetailsServiceConnection();
 113             bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 114             mUploadConnection = new DetailsServiceConnection();
 115             bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 116
 117
 118         }  else {
 119             backToDisplayActivity();   // the 'back' won't be effective until this.onStart() and this.onResume() are completed;
 120         }
 121
 122
 123     }
 124
 125     /**
 126      * Creates the proper fragment depending upon the state of the handled {@link OCFile} and
 127      * the requested {@link Intent}.
 128      */
 129     private void createChildFragment() {
 130         int mode = getIntent().getIntExtra(EXTRA_MODE, MODE_PREVIEW);
 131
 132         Fragment newFragment = null;
 133         if (PreviewMediaFragment.canBePreviewed(mFile) && mode == MODE_PREVIEW) {
 134             if (mFile.isDown()) {
 135                 newFragment = new PreviewMediaFragment(mFile, mAccount);
 136
 137             } else {
 138                 newFragment = new FileDetailFragment(mFile, mAccount);
 139                 mWaitingToPreview = true;
 140             }
 141
 142         } else {
 143             newFragment = new FileDetailFragment(mFile, mAccount);
 144         }
 145         FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 146         ft.replace(R.id.fragment, newFragment, FileDetailFragment.FTAG);
 147         ft.commit();
 148     }
 149
 150
 151     @Override
 152     protected void onSaveInstanceState(Bundle outState) {
 153         super.onSaveInstanceState(outState);
 154         outState.putBoolean(KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 155     }
 156
 157
 158     @Override
 159     public void onPause() {
 160         super.onPause();
 161         if (mDownloadFinishReceiver != null) {
 162             unregisterReceiver(mDownloadFinishReceiver);
 163             mDownloadFinishReceiver = null;
 164         }
 165     }
 166
 167
 168     @Override
 169     public void onResume() {
 170         super.onResume();
 171         if (!mConfigurationChangedToLandscape) {
 172             // TODO this is probably unnecessary
 173             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 174             if (fragment != null && fragment instanceof FileDetailFragment) {
 175                 ((FileDetailFragment) fragment).updateFileDetails(false, false);
 176             }
 177         }
 178         // Listen for download messages
 179         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.DOWNLOAD_ADDED_MESSAGE);
 180         downloadIntentFilter.addAction(FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 181         mDownloadFinishReceiver = new DownloadFinishReceiver();
 182         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 183     }
 184
 185
 186     /** Defines callbacks for service binding, passed to bindService() */
 187     private class DetailsServiceConnection implements ServiceConnection {
 188
 189         @Override
 190         public void onServiceConnected(ComponentName component, IBinder service) {
 191
 192             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 193                 Log.d(TAG, "Download service connected");
 194                 mDownloaderBinder = (FileDownloaderBinder) service;
 195                 if (mWaitingToPreview) {
 196                     requestForDownload();
 197                 }
 198
 199             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 200                 Log.d(TAG, "Upload service connected");
 201                 mUploaderBinder = (FileUploaderBinder) service;
 202             } else {
 203                 return;
 204             }
 205
 206             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 207             FileDetailFragment detailsFragment = (fragment instanceof FileDetailFragment) ? (FileDetailFragment) fragment : null;
 208             if (detailsFragment != null) {
 209                 detailsFragment.listenForTransferProgress();
 210                 detailsFragment.updateFileDetails(mWaitingToPreview, false);   // let the fragment gets the mDownloadBinder through getDownloadBinder() (see FileDetailFragment#updateFileDetais())
 211             }
 212         }
 213
 214         @Override
 215         public void onServiceDisconnected(ComponentName component) {
 216             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 217                 Log.d(TAG, "Download service disconnected");
 218                 mDownloaderBinder = null;
 219             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 220                 Log.d(TAG, "Upload service disconnected");
 221                 mUploaderBinder = null;
 222             }
 223         }
 224     };
 225
 226
 227     @Override
 228     public void onDestroy() {
 229         super.onDestroy();
 230         if (mDownloadConnection != null) {
 231             unbindService(mDownloadConnection);
 232             mDownloadConnection = null;
 233         }
 234         if (mUploadConnection != null) {
 235             unbindService(mUploadConnection);
 236             mUploadConnection = null;
 237         }
 238     }
 239
 240
 241     @Override
 242     public boolean onOptionsItemSelected(MenuItem item) {
 243         boolean returnValue = false;
 244
 245         switch(item.getItemId()){
 246         case android.R.id.home:
 247             backToDisplayActivity();
 248             returnValue = true;
 249             break;
 250         default:
 251                 returnValue = super.onOptionsItemSelected(item);
 252         }
 253
 254         return returnValue;
 255     }
 256
 257
 258
 259     private void backToDisplayActivity() {
 260         Intent intent = new Intent(this, FileDisplayActivity.class);
 261         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 262         OCFile targetFile = null;
 263         if (mFile != null) {
 264             targetFile = mStorageManager.getFileById(mFile.getParentId());
 265         }
 266         intent.putExtra(FileDetailFragment.EXTRA_FILE, targetFile);
 267         intent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 268         startActivity(intent);
 269         finish();
 270     }
 271
 272
 273     @Override
 274     protected Dialog onCreateDialog(int id) {
 275         Dialog dialog = null;
 276         switch (id) {
 277         case DIALOG_SHORT_WAIT: {
 278             ProgressDialog working_dialog = new ProgressDialog(this);
 279             working_dialog.setMessage(getResources().getString(
 280                     R.string.wait_a_moment));
 281             working_dialog.setIndeterminate(true);
 282             working_dialog.setCancelable(false);
 283             dialog = working_dialog;
 284             break;
 285         }
 286         default:
 287             dialog = null;
 288         }
 289         return dialog;
 290     }
 291
 292
 293     /**
 294      * {@inheritDoc}
 295      */
 296     @Override
 297     public void onFileStateChanged() {
 298         // nothing to do here!
 299     }
 300
 301
 302     /**
 303      * {@inheritDoc}
 304      */
 305     @Override
 306     public FileDownloaderBinder getFileDownloaderBinder() {
 307         return mDownloaderBinder;
 308     }
 309
 310
 311     @Override
 312     public FileUploaderBinder getFileUploaderBinder() {
 313         return mUploaderBinder;
 314     }
 315
 316
 317     @Override
 318     public void showFragmentWithDetails(OCFile file) {
 319         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 320         transaction.replace(R.id.fragment, new FileDetailFragment(file, mAccount), FileDetailFragment.FTAG);
 321         transaction.commit();
 322     }
 323
 324
 325     private void requestForDownload() {
 326         if (!mDownloaderBinder.isDownloading(mAccount, mFile)) {
 327             Intent i = new Intent(this, FileDownloader.class);
 328             i.putExtra(FileDownloader.EXTRA_ACCOUNT, mAccount);
 329             i.putExtra(FileDownloader.EXTRA_FILE, mFile);
 330             startService(i);
 331         }
 332     }
 333
 334
 335     /**
 336      * Class waiting for broadcast events from the {@link FielDownloader} service.
 337      *
 338      * Updates the UI when a download is started or finished, provided that it is relevant for the
 339      * current file.
 340      */
 341     private class DownloadFinishReceiver extends BroadcastReceiver {
 342         @Override
 343         public void onReceive(Context context, Intent intent) {
 344             boolean sameAccount = isSameAccount(context, intent);
 345             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 346             boolean samePath = (mFile != null && mFile.getRemotePath().equals(downloadedRemotePath));
 347
 348             if (sameAccount && samePath) {
 349                 updateChildFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
 350             }
 351
 352             removeStickyBroadcast(intent);
 353         }
 354
 355         private boolean isSameAccount(Context context, Intent intent) {
 356             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 357             return (accountName != null && accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name));
 358         }
 359     }
 360
 361
 362     public void updateChildFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 363         Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 364         if (fragment != null && fragment instanceof FileDetailFragment) {
 365             FileDetailFragment detailsFragment = (FileDetailFragment) fragment;
 366             OCFile fileInFragment = detailsFragment.getFile();
 367             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 368                 // this never should happen; fileInFragment should be always equals to mFile, that was compared to downloadedRemotePath in DownloadReceiver
 369                 mWaitingToPreview = false;
 370
 371             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_ADDED_MESSAGE)) {
 372                 // grants that the progress bar is updated
 373                 detailsFragment.listenForTransferProgress();
 374                 detailsFragment.updateFileDetails(true, false);
 375
 376             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_FINISH_MESSAGE)) {
 377                 //  refresh the details fragment
 378                 if (success && mWaitingToPreview) {
 379                     mFile = mStorageManager.getFileById(mFile.getFileId());   // update the file from database, for the local storage path
 380                     FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 381                     transaction.replace(R.id.fragment, new PreviewMediaFragment(mFile, mAccount), FileDetailFragment.FTAG);
 382                     transaction.commit();
 383                     mWaitingToPreview = false;
 384
 385                 } else {
 386                     detailsFragment.updateFileDetails(false, (success));
 387                     // TODO error message if !success ¿?
 388                 }
 389             }
 390         } // TODO else if (fragment != null && fragment )
 391
 392
 393     }
 394
 395 }