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 version 2,
   7  *   as published by the Free Software Foundation.
   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
  35 import com.actionbarsherlock.app.ActionBar;
  36 import com.actionbarsherlock.app.SherlockFragmentActivity;
  37 import com.actionbarsherlock.view.MenuItem;
  38 import com.owncloud.android.datamodel.FileDataStorageManager;
  39 import com.owncloud.android.datamodel.OCFile;
  40 import com.owncloud.android.files.services.FileDownloader;
  41 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  42 import com.owncloud.android.files.services.FileUploader;
  43 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  44 import com.owncloud.android.ui.fragment.FileDetailFragment;
  45 import com.owncloud.android.ui.fragment.FileFragment;
  46 import com.owncloud.android.ui.preview.PreviewMediaFragment;
  47 import com.owncloud.android.AccountUtils;
  48 import com.owncloud.android.Log_OC;
  49
  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(false);   // the 'back' won't be effective until this.onStart() and this.onResume() are completed;
 119         }
 120
 121     }
 122
 123     /**
 124      * Creates the proper fragment depending upon the state of the handled {@link OCFile} and
 125      * the requested {@link Intent}.
 126      */
 127     private void createChildFragment() {
 128         int mode = getIntent().getIntExtra(EXTRA_MODE, MODE_PREVIEW);
 129
 130         Fragment newFragment = null;
 131         if (PreviewMediaFragment.canBePreviewed(mFile) && mode == MODE_PREVIEW) {
 132             if (mFile.isDown()) {
 133                 newFragment = new PreviewMediaFragment(mFile, mAccount);
 134
 135             } else {
 136                 newFragment = new FileDetailFragment(mFile, mAccount);
 137                 mWaitingToPreview = true;
 138             }
 139
 140         } else {
 141             newFragment = new FileDetailFragment(mFile, mAccount);
 142         }
 143         FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
 144         ft.replace(R.id.fragment, newFragment, FileDetailFragment.FTAG);
 145         ft.commit();
 146     }
 147
 148
 149     @Override
 150     protected void onSaveInstanceState(Bundle outState) {
 151         super.onSaveInstanceState(outState);
 152         outState.putBoolean(KEY_WAITING_TO_PREVIEW, mWaitingToPreview);
 153     }
 154
 155
 156     @Override
 157     public void onPause() {
 158         super.onPause();
 159         if (mDownloadFinishReceiver != null) {
 160             unregisterReceiver(mDownloadFinishReceiver);
 161             mDownloadFinishReceiver = null;
 162         }
 163     }
 164
 165
 166     @Override
 167     public void onResume() {
 168         super.onResume();
 169         if (!mConfigurationChangedToLandscape) {
 170             // TODO this is probably unnecessary
 171             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 172             if (fragment != null && fragment instanceof FileDetailFragment) {
 173                 ((FileDetailFragment) fragment).updateFileDetails(false, false);
 174             }
 175         }
 176         // Listen for download messages
 177         IntentFilter downloadIntentFilter = new IntentFilter(FileDownloader.DOWNLOAD_ADDED_MESSAGE);
 178         downloadIntentFilter.addAction(FileDownloader.DOWNLOAD_FINISH_MESSAGE);
 179         mDownloadFinishReceiver = new DownloadFinishReceiver();
 180         registerReceiver(mDownloadFinishReceiver, downloadIntentFilter);
 181     }
 182
 183
 184     /** Defines callbacks for service binding, passed to bindService() */
 185     private class DetailsServiceConnection implements ServiceConnection {
 186
 187         @Override
 188         public void onServiceConnected(ComponentName component, IBinder service) {
 189
 190             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 191                 Log_OC.d(TAG, "Download service connected");
 192                 mDownloaderBinder = (FileDownloaderBinder) service;
 193                 if (mWaitingToPreview) {
 194                     requestForDownload();
 195                 }
 196
 197             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 198                 Log_OC.d(TAG, "Upload service connected");
 199                 mUploaderBinder = (FileUploaderBinder) service;
 200             } else {
 201                 return;
 202             }
 203
 204             Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 205             FileDetailFragment detailsFragment = (fragment instanceof FileDetailFragment) ? (FileDetailFragment) fragment : null;
 206             if (detailsFragment != null) {
 207                 detailsFragment.listenForTransferProgress();
 208                 detailsFragment.updateFileDetails(mWaitingToPreview, false);   // let the fragment gets the mDownloadBinder through getDownloadBinder() (see FileDetailFragment#updateFileDetais())
 209             }
 210         }
 211
 212         @Override
 213         public void onServiceDisconnected(ComponentName component) {
 214             if (component.equals(new ComponentName(FileDetailActivity.this, FileDownloader.class))) {
 215                 Log_OC.d(TAG, "Download service disconnected");
 216                 mDownloaderBinder = null;
 217             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 218                 Log_OC.d(TAG, "Upload service disconnected");
 219                 mUploaderBinder = null;
 220             }
 221         }
 222     };
 223
 224
 225     @Override
 226     public void onDestroy() {
 227         super.onDestroy();
 228         if (mDownloadConnection != null) {
 229             unbindService(mDownloadConnection);
 230             mDownloadConnection = null;
 231         }
 232         if (mUploadConnection != null) {
 233             unbindService(mUploadConnection);
 234             mUploadConnection = null;
 235         }
 236     }
 237
 238
 239     @Override
 240     public boolean onOptionsItemSelected(MenuItem item) {
 241         boolean returnValue = false;
 242
 243         switch(item.getItemId()){
 244         case android.R.id.home:
 245             backToDisplayActivity(true);
 246             returnValue = true;
 247             break;
 248         default:
 249             returnValue = super.onOptionsItemSelected(item);
 250         }
 251
 252         return returnValue;
 253     }
 254
 255     private void backToDisplayActivity(boolean moveToParent) {
 256         Intent intent = new Intent(this, FileDisplayActivity.class);
 257         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 258         OCFile targetFile = null;
 259         if (mFile != null) {
 260             targetFile = moveToParent ? mStorageManager.getFileById(mFile.getParentId()) : mFile;
 261         }
 262         intent.putExtra(FileDetailFragment.EXTRA_FILE, targetFile);
 263         intent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 264         startActivity(intent);
 265         finish();
 266     }
 267
 268
 269     @Override
 270     protected Dialog onCreateDialog(int id) {
 271         Dialog dialog = null;
 272         switch (id) {
 273         case DIALOG_SHORT_WAIT: {
 274             ProgressDialog working_dialog = new ProgressDialog(this);
 275             working_dialog.setMessage(getResources().getString(
 276                     R.string.wait_a_moment));
 277             working_dialog.setIndeterminate(true);
 278             working_dialog.setCancelable(false);
 279             dialog = working_dialog;
 280             break;
 281         }
 282         default:
 283             dialog = null;
 284         }
 285         return dialog;
 286     }
 287
 288
 289     /**
 290      * {@inheritDoc}
 291      */
 292     @Override
 293     public void onFileStateChanged() {
 294         // nothing to do here!
 295     }
 296
 297
 298     /**
 299      * {@inheritDoc}
 300      */
 301     @Override
 302     public FileDownloaderBinder getFileDownloaderBinder() {
 303         return mDownloaderBinder;
 304     }
 305
 306
 307     @Override
 308     public FileUploaderBinder getFileUploaderBinder() {
 309         return mUploaderBinder;
 310     }
 311
 312
 313     @Override
 314     public void showFragmentWithDetails(OCFile file) {
 315         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 316         transaction.replace(R.id.fragment, new FileDetailFragment(file, mAccount), FileDetailFragment.FTAG);
 317         transaction.commit();
 318     }
 319
 320
 321     private void requestForDownload() {
 322         if (!mDownloaderBinder.isDownloading(mAccount, mFile)) {
 323             Intent i = new Intent(this, FileDownloader.class);
 324             i.putExtra(FileDownloader.EXTRA_ACCOUNT, mAccount);
 325             i.putExtra(FileDownloader.EXTRA_FILE, mFile);
 326             startService(i);
 327         }
 328     }
 329
 330
 331     /**
 332      * Class waiting for broadcast events from the {@link FielDownloader} service.
 333      *
 334      * Updates the UI when a download is started or finished, provided that it is relevant for the
 335      * current file.
 336      */
 337     private class DownloadFinishReceiver extends BroadcastReceiver {
 338         @Override
 339         public void onReceive(Context context, Intent intent) {
 340             boolean sameAccount = isSameAccount(context, intent);
 341             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 342             boolean samePath = (mFile != null && mFile.getRemotePath().equals(downloadedRemotePath));
 343
 344             if (sameAccount && samePath) {
 345                 updateChildFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
 346             }
 347
 348             removeStickyBroadcast(intent);
 349         }
 350
 351         private boolean isSameAccount(Context context, Intent intent) {
 352             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 353             return (accountName != null && accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name));
 354         }
 355     }
 356
 357
 358     public void updateChildFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 359         Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 360         if (fragment != null && fragment instanceof FileDetailFragment) {
 361             FileDetailFragment detailsFragment = (FileDetailFragment) fragment;
 362             OCFile fileInFragment = detailsFragment.getFile();
 363             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 364                 // this never should happen; fileInFragment should be always equals to mFile, that was compared to downloadedRemotePath in DownloadReceiver
 365                 mWaitingToPreview = false;
 366
 367             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_ADDED_MESSAGE)) {
 368                 // grants that the progress bar is updated
 369                 detailsFragment.listenForTransferProgress();
 370                 detailsFragment.updateFileDetails(true, false);
 371
 372             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_FINISH_MESSAGE)) {
 373                 //  refresh the details fragment
 374                 if (success && mWaitingToPreview) {
 375                     mFile = mStorageManager.getFileById(mFile.getFileId());   // update the file from database, for the local storage path
 376                     FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 377                     transaction.replace(R.id.fragment, new PreviewMediaFragment(mFile, mAccount), FileDetailFragment.FTAG);
 378                     transaction.commit();
 379                     mWaitingToPreview = false;
 380
 381                 } else {
 382                     detailsFragment.updateFileDetails(false, (success));
 383                     // TODO error message if !success ¿?
 384                 }
 385             }
 386         } // TODO else if (fragment != null && fragment )
 387
 388     }
 389
 390 }