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 import com.owncloud.android.AccountUtils;
  50 import com.owncloud.android.Log_OC;
  51
  52 import com.owncloud.android.R;
  53
  54 /**
  55  * This activity displays the details of a file like its name, its size and so
  56  * on.
  57  *
  58  * @author Bartek Przybylski
  59  * @author David A. Velasco
  60  */
  61 public class FileDetailActivity extends SherlockFragmentActivity implements FileFragment.ContainerActivity {
  62
  63     public static final int DIALOG_SHORT_WAIT = 0;
  64
  65     public static final String TAG = FileDetailActivity.class.getSimpleName();
  66
  67     public static final String EXTRA_MODE = "MODE";
  68     public static final int MODE_DETAILS = 0;
  69     public static final int MODE_PREVIEW = 1;
  70
  71     public static final String KEY_WAITING_TO_PREVIEW = "WAITING_TO_PREVIEW";
  72
  73     private boolean mConfigurationChangedToLandscape = false;
  74     private FileDownloaderBinder mDownloaderBinder = null;
  75     private ServiceConnection mDownloadConnection, mUploadConnection = null;
  76     private FileUploaderBinder mUploaderBinder = null;
  77     private boolean mWaitingToPreview;
  78
  79     private OCFile mFile;
  80     private Account mAccount;
  81
  82     private FileDataStorageManager mStorageManager;
  83     private DownloadFinishReceiver mDownloadFinishReceiver;
  84
  85
  86     @Override
  87     protected void onCreate(Bundle savedInstanceState) {
  88         super.onCreate(savedInstanceState);
  89
  90         mFile = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_FILE);
  91         mAccount = getIntent().getParcelableExtra(FileDetailFragment.EXTRA_ACCOUNT);
  92         mStorageManager = new FileDataStorageManager(mAccount, getContentResolver());
  93
  94         // check if configuration changed to large-land ; for a tablet being changed from portrait to landscape when in FileDetailActivity
  95         Configuration conf = getResources().getConfiguration();
  96         mConfigurationChangedToLandscape = (conf.orientation == Configuration.ORIENTATION_LANDSCAPE &&
  97                                                 (conf.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) >= Configuration.SCREENLAYOUT_SIZE_LARGE
  98                                            );
  99
 100         if (!mConfigurationChangedToLandscape) {
 101             setContentView(R.layout.file_activity_details);
 102
 103             ActionBar actionBar = getSupportActionBar();
 104             actionBar.setDisplayHomeAsUpEnabled(true);
 105
 106             if (savedInstanceState == null) {
 107                 mWaitingToPreview = false;
 108                 createChildFragment();
 109             } else {
 110                 mWaitingToPreview = savedInstanceState.getBoolean(KEY_WAITING_TO_PREVIEW);
 111             }
 112
 113             mDownloadConnection = new DetailsServiceConnection();
 114             bindService(new Intent(this, FileDownloader.class), mDownloadConnection, Context.BIND_AUTO_CREATE);
 115             mUploadConnection = new DetailsServiceConnection();
 116             bindService(new Intent(this, FileUploader.class), mUploadConnection, Context.BIND_AUTO_CREATE);
 117
 118
 119         }  else {
 120             backToDisplayActivity(false);   // the 'back' won't be effective until this.onStart() and this.onResume() are completed;
 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_OC.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_OC.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_OC.d(TAG, "Download service disconnected");
 218                 mDownloaderBinder = null;
 219             } else if (component.equals(new ComponentName(FileDetailActivity.this, FileUploader.class))) {
 220                 Log_OC.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(true);
 248             returnValue = true;
 249             break;
 250         default:
 251             returnValue = super.onOptionsItemSelected(item);
 252         }
 253
 254         return returnValue;
 255     }
 256
 257     private void backToDisplayActivity(boolean moveToParent) {
 258         Intent intent = new Intent(this, FileDisplayActivity.class);
 259         intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 260         OCFile targetFile = null;
 261         if (mFile != null) {
 262             targetFile = moveToParent ? mStorageManager.getFileById(mFile.getParentId()) : mFile;
 263         }
 264         intent.putExtra(FileDetailFragment.EXTRA_FILE, targetFile);
 265         intent.putExtra(FileDetailFragment.EXTRA_ACCOUNT, mAccount);
 266         startActivity(intent);
 267         finish();
 268     }
 269
 270
 271     @Override
 272     protected Dialog onCreateDialog(int id) {
 273         Dialog dialog = null;
 274         switch (id) {
 275         case DIALOG_SHORT_WAIT: {
 276             ProgressDialog working_dialog = new ProgressDialog(this);
 277             working_dialog.setMessage(getResources().getString(
 278                     R.string.wait_a_moment));
 279             working_dialog.setIndeterminate(true);
 280             working_dialog.setCancelable(false);
 281             dialog = working_dialog;
 282             break;
 283         }
 284         default:
 285             dialog = null;
 286         }
 287         return dialog;
 288     }
 289
 290
 291     /**
 292      * {@inheritDoc}
 293      */
 294     @Override
 295     public void onFileStateChanged() {
 296         // nothing to do here!
 297     }
 298
 299
 300     /**
 301      * {@inheritDoc}
 302      */
 303     @Override
 304     public FileDownloaderBinder getFileDownloaderBinder() {
 305         return mDownloaderBinder;
 306     }
 307
 308
 309     @Override
 310     public FileUploaderBinder getFileUploaderBinder() {
 311         return mUploaderBinder;
 312     }
 313
 314
 315     @Override
 316     public void showFragmentWithDetails(OCFile file) {
 317         FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 318         transaction.replace(R.id.fragment, new FileDetailFragment(file, mAccount), FileDetailFragment.FTAG);
 319         transaction.commit();
 320     }
 321
 322
 323     private void requestForDownload() {
 324         if (!mDownloaderBinder.isDownloading(mAccount, mFile)) {
 325             Intent i = new Intent(this, FileDownloader.class);
 326             i.putExtra(FileDownloader.EXTRA_ACCOUNT, mAccount);
 327             i.putExtra(FileDownloader.EXTRA_FILE, mFile);
 328             startService(i);
 329         }
 330     }
 331
 332
 333     /**
 334      * Class waiting for broadcast events from the {@link FielDownloader} service.
 335      *
 336      * Updates the UI when a download is started or finished, provided that it is relevant for the
 337      * current file.
 338      */
 339     private class DownloadFinishReceiver extends BroadcastReceiver {
 340         @Override
 341         public void onReceive(Context context, Intent intent) {
 342             boolean sameAccount = isSameAccount(context, intent);
 343             String downloadedRemotePath = intent.getStringExtra(FileDownloader.EXTRA_REMOTE_PATH);
 344             boolean samePath = (mFile != null && mFile.getRemotePath().equals(downloadedRemotePath));
 345
 346             if (sameAccount && samePath) {
 347                 updateChildFragment(intent.getAction(), downloadedRemotePath, intent.getBooleanExtra(FileDownloader.EXTRA_DOWNLOAD_RESULT, false));
 348             }
 349
 350             removeStickyBroadcast(intent);
 351         }
 352
 353         private boolean isSameAccount(Context context, Intent intent) {
 354             String accountName = intent.getStringExtra(FileDownloader.ACCOUNT_NAME);
 355             return (accountName != null && accountName.equals(AccountUtils.getCurrentOwnCloudAccount(context).name));
 356         }
 357     }
 358
 359
 360     public void updateChildFragment(String downloadEvent, String downloadedRemotePath, boolean success) {
 361         Fragment fragment = getSupportFragmentManager().findFragmentByTag(FileDetailFragment.FTAG);
 362         if (fragment != null && fragment instanceof FileDetailFragment) {
 363             FileDetailFragment detailsFragment = (FileDetailFragment) fragment;
 364             OCFile fileInFragment = detailsFragment.getFile();
 365             if (fileInFragment != null && !downloadedRemotePath.equals(fileInFragment.getRemotePath())) {
 366                 // this never should happen; fileInFragment should be always equals to mFile, that was compared to downloadedRemotePath in DownloadReceiver
 367                 mWaitingToPreview = false;
 368
 369             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_ADDED_MESSAGE)) {
 370                 // grants that the progress bar is updated
 371                 detailsFragment.listenForTransferProgress();
 372                 detailsFragment.updateFileDetails(true, false);
 373
 374             } else if (downloadEvent.equals(FileDownloader.DOWNLOAD_FINISH_MESSAGE)) {
 375                 //  refresh the details fragment
 376                 if (success && mWaitingToPreview) {
 377                     mFile = mStorageManager.getFileById(mFile.getFileId());   // update the file from database, for the local storage path
 378                     FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
 379                     transaction.replace(R.id.fragment, new PreviewMediaFragment(mFile, mAccount), FileDetailFragment.FTAG);
 380                     transaction.commit();
 381                     mWaitingToPreview = false;
 382
 383                 } else {
 384                     detailsFragment.updateFileDetails(false, (success));
 385                     // TODO error message if !success ¿?
 386                 }
 387             }
 388         } // TODO else if (fragment != null && fragment )
 389
 390     }
 391
 392 }