src/com/owncloud/android/ui/fragment/FileDetailFragment.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author David A. Velasco
   6  *   Copyright (C) 2011  Bartek Przybylski
   7  *   Copyright (C) 2015 ownCloud Inc.
   8  *
   9  *   This program is free software: you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License version 2,
  11  *   as published by the Free Software Foundation.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  */
  22 package com.owncloud.android.ui.fragment;
  23
  24 import android.accounts.Account;
  25 import android.graphics.Bitmap;
  26 import android.os.Bundle;
  27 import android.view.LayoutInflater;
  28 import android.view.Menu;
  29 import android.view.MenuInflater;
  30 import android.view.MenuItem;
  31 import android.view.View;
  32 import android.view.View.OnClickListener;
  33 import android.view.ViewGroup;
  34 import android.widget.CheckBox;
  35 import android.widget.ImageView;
  36 import android.widget.ProgressBar;
  37 import android.widget.TextView;
  38
  39 import com.owncloud.android.MainApp;
  40 import com.owncloud.android.R;
  41 import com.owncloud.android.datamodel.FileDataStorageManager;
  42 import com.owncloud.android.datamodel.OCFile;
  43 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  44 import com.owncloud.android.files.FileMenuFilter;
  45 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  46 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  47 import com.owncloud.android.lib.common.network.OnDatatransferProgressListener;
  48 import com.owncloud.android.lib.common.utils.Log_OC;
  49 import com.owncloud.android.ui.activity.FileActivity;
  50 import com.owncloud.android.ui.activity.FileDisplayActivity;
  51 import com.owncloud.android.ui.dialog.RemoveFileDialogFragment;
  52 import com.owncloud.android.ui.dialog.RenameFileDialogFragment;
  53 import com.owncloud.android.utils.DisplayUtils;
  54 import com.owncloud.android.utils.MimetypeIconUtil;
  55
  56 import java.lang.ref.WeakReference;
  57
  58
  59 /**
  60  * This Fragment is used to display the details about a file.
  61  */
  62 public class FileDetailFragment extends FileFragment implements OnClickListener {
  63
  64     private int mLayout;
  65     private View mView;
  66     private Account mAccount;
  67
  68     public ProgressListener mProgressListener;
  69
  70     private static final String TAG = FileDetailFragment.class.getSimpleName();
  71     public static final String FTAG_CONFIRMATION = "REMOVE_CONFIRMATION_FRAGMENT";
  72     public static final String FTAG_RENAME_FILE = "RENAME_FILE_FRAGMENT";
  73
  74     private static final String ARG_FILE = "FILE";
  75     private static final String ARG_ACCOUNT = "ACCOUNT";
  76
  77
  78     /**
  79      * Public factory method to create new FileDetailFragment instances.
  80      *
  81      * When 'fileToDetail' or 'ocAccount' are null, creates a dummy layout (to use when a file wasn't tapped before).
  82      *
  83      * @param fileToDetail      An {@link OCFile} to show in the fragment
  84      * @param account           An ownCloud account; needed to start downloads
  85      * @return                  New fragment with arguments set
  86      */
  87     public static FileDetailFragment newInstance(OCFile fileToDetail, Account account) {
  88         FileDetailFragment frag = new FileDetailFragment();
  89         Bundle args = new Bundle();
  90         args.putParcelable(ARG_FILE, fileToDetail);
  91         args.putParcelable(ARG_ACCOUNT, account);
  92         frag.setArguments(args);
  93         return frag;
  94     }
  95
  96     /**
  97      * Creates an empty details fragment.
  98      *
  99      * It's necessary to keep a public constructor without parameters; the system uses it when tries
 100      * to reinstantiate a fragment automatically.
 101      */
 102     public FileDetailFragment() {
 103         super();
 104         mAccount = null;
 105         mLayout = R.layout.file_details_empty;
 106         mProgressListener = null;
 107     }
 108
 109
 110     @Override
 111     public void onActivityCreated(Bundle savedInstanceState) {
 112         super.onCreate(savedInstanceState);
 113         setHasOptionsMenu(true);
 114     }
 115
 116
 117     @Override
 118     public View onCreateView(LayoutInflater inflater, ViewGroup container,
 119             Bundle savedInstanceState) {
 120
 121         setFile((OCFile) getArguments().getParcelable(ARG_FILE));
 122         mAccount = getArguments().getParcelable(ARG_ACCOUNT);
 123
 124         if (savedInstanceState != null) {
 125             setFile((OCFile) savedInstanceState.getParcelable(FileActivity.EXTRA_FILE));
 126             mAccount = savedInstanceState.getParcelable(FileActivity.EXTRA_ACCOUNT);
 127         }
 128
 129         if (getFile() != null && mAccount != null) {
 130             mLayout = R.layout.file_details_fragment;
 131         }
 132
 133         mView = inflater.inflate(mLayout, null);
 134
 135         if (mLayout == R.layout.file_details_fragment) {
 136             mView.findViewById(R.id.fdFavorite).setOnClickListener(this);
 137             ProgressBar progressBar = (ProgressBar)mView.findViewById(R.id.fdProgressBar);
 138             DisplayUtils.colorPreLollipopHorizontalProgressBar(progressBar);
 139             mProgressListener = new ProgressListener(progressBar);
 140             mView.findViewById(R.id.fdCancelBtn).setOnClickListener(this);
 141         }
 142
 143         updateFileDetails(false, false);
 144         return mView;
 145     }
 146
 147     @Override
 148     public void onSaveInstanceState(Bundle outState) {
 149         super.onSaveInstanceState(outState);
 150         outState.putParcelable(FileActivity.EXTRA_FILE, getFile());
 151         outState.putParcelable(FileActivity.EXTRA_ACCOUNT, mAccount);
 152     }
 153
 154     @Override
 155     public void onStart() {
 156         super.onStart();
 157         listenForTransferProgress();
 158     }
 159
 160     @Override
 161     public void onStop() {
 162         leaveTransferProgress();
 163         super.onStop();
 164     }
 165
 166
 167     @Override
 168     public View getView() {
 169         return super.getView() == null ? mView : super.getView();
 170     }
 171
 172
 173     /**
 174      * {@inheritDoc}
 175      */
 176     @Override
 177     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
 178         super.onCreateOptionsMenu(menu, inflater);
 179         inflater.inflate(R.menu.file_actions_menu, menu);
 180     }
 181
 182
 183     /**
 184      * {@inheritDoc}
 185      */
 186     @Override
 187     public void onPrepareOptionsMenu(Menu menu) {
 188         super.onPrepareOptionsMenu(menu);
 189
 190         if (mContainerActivity.getStorageManager() != null) {
 191             FileMenuFilter mf = new FileMenuFilter(
 192                 getFile(),
 193                 mContainerActivity.getStorageManager().getAccount(),
 194                 mContainerActivity,
 195                 getActivity()
 196             );
 197             mf.filter(menu);
 198         }
 199
 200         // additional restriction for this fragment
 201         MenuItem item = menu.findItem(R.id.action_see_details);
 202         if (item != null) {
 203             item.setVisible(false);
 204             item.setEnabled(false);
 205         }
 206
 207         // additional restriction for this fragment
 208         item = menu.findItem(R.id.action_move);
 209         if (item != null) {
 210             item.setVisible(false);
 211             item.setEnabled(false);
 212         }
 213
 214         // additional restriction for this fragment
 215         item = menu.findItem(R.id.action_copy);
 216         if (item != null) {
 217             item.setVisible(false);
 218             item.setEnabled(false);
 219         }
 220     }
 221
 222
 223     /**
 224      * {@inheritDoc}
 225      */
 226     @Override
 227     public boolean onOptionsItemSelected(MenuItem item) {
 228         switch (item.getItemId()) {
 229             case R.id.action_share_file: {
 230                 mContainerActivity.getFileOperationsHelper().shareFileWithLink(getFile());
 231                 return true;
 232             }
 233             case R.id.action_unshare_file: {
 234                 mContainerActivity.getFileOperationsHelper().unshareFileWithLink(getFile());
 235                 return true;
 236             }
 237             case R.id.action_open_file_with: {
 238                 mContainerActivity.getFileOperationsHelper().openFile(getFile());
 239                 return true;
 240             }
 241             case R.id.action_remove_file: {
 242                 RemoveFileDialogFragment dialog = RemoveFileDialogFragment.newInstance(getFile());
 243                 dialog.show(getFragmentManager(), FTAG_CONFIRMATION);
 244                 return true;
 245             }
 246             case R.id.action_rename_file: {
 247                 RenameFileDialogFragment dialog = RenameFileDialogFragment.newInstance(getFile());
 248                 dialog.show(getFragmentManager(), FTAG_RENAME_FILE);
 249                 return true;
 250             }
 251             case R.id.action_cancel_sync: {
 252                 ((FileDisplayActivity)mContainerActivity).cancelTransference(getFile());
 253                 return true;
 254             }
 255             case R.id.action_download_file:
 256             case R.id.action_sync_file: {
 257                 mContainerActivity.getFileOperationsHelper().syncFile(getFile());
 258                 return true;
 259             }
 260             case R.id.action_send_file: {
 261                 // Obtain the file
 262                 if (!getFile().isDown()) {  // Download the file
 263                     Log_OC.d(TAG, getFile().getRemotePath() + " : File must be downloaded");
 264                     ((FileDisplayActivity) mContainerActivity).startDownloadForSending(getFile());
 265
 266                 }
 267                 else {
 268                     mContainerActivity.getFileOperationsHelper().sendDownloadedFile(getFile());
 269                 }
 270                 return true;
 271             }
 272             case R.id.action_favorite_file:{
 273                 mContainerActivity.getFileOperationsHelper().toggleFavorite(getFile(), true);
 274                 return true;
 275             }
 276             case R.id.action_unfavorite_file:{
 277                 mContainerActivity.getFileOperationsHelper().toggleFavorite(getFile(), false);
 278                 return true;
 279             }
 280             default:
 281                 return false;
 282         }
 283     }
 284
 285     @Override
 286     public void onClick(View v) {
 287         switch (v.getId()) {
 288             case R.id.fdFavorite: {
 289                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdFavorite);
 290                 mContainerActivity.getFileOperationsHelper().toggleFavorite(getFile(),cb.isChecked());
 291                 break;
 292             }
 293             case R.id.fdCancelBtn: {
 294                 ((FileDisplayActivity) mContainerActivity).cancelTransference(getFile());
 295                 break;
 296             }
 297             default:
 298                 Log_OC.e(TAG, "Incorrect view clicked!");
 299         }
 300     }
 301
 302     /**
 303      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 304      *
 305      * @return True when the fragment was created with the empty layout.
 306      */
 307     public boolean isEmpty() {
 308         return (mLayout == R.layout.file_details_empty || getFile() == null || mAccount == null);
 309     }
 310
 311
 312     /**
 313      * Use this method to signal this Activity that it shall update its view.
 314      *
 315      * @param file : An {@link OCFile}
 316      */
 317     public void updateFileDetails(OCFile file, Account ocAccount) {
 318         setFile(file);
 319         mAccount = ocAccount;
 320         updateFileDetails(false, false);
 321     }
 322
 323     /**
 324      * Updates the view with all relevant details about that file.
 325      * <p/>
 326      * TODO Remove parameter when the transferring state of files is kept in database.
 327      *
 328      * @param transferring Flag signaling if the file should be considered as downloading or uploading,
 329      *                     although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 330      *                     {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 331      * @param refresh      If 'true', try to refresh the whole file from the database
 332      */
 333     public void updateFileDetails(boolean transferring, boolean refresh) {
 334         if (readyToShow()) {
 335             FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 336             if (refresh && storageManager != null) {
 337                 setFile(storageManager.getFileByPath(getFile().getRemotePath()));
 338             }
 339             OCFile file = getFile();
 340
 341             // set file details
 342             setFilename(file.getFileName());
 343             setFiletype(file);
 344             setFilesize(file.getFileLength());
 345
 346             setTimeModified(file.getModificationTimestamp());
 347
 348             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdFavorite);
 349             cb.setChecked(file.isFavorite());
 350
 351             // configure UI for depending upon local state of the file
 352             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 353             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 354             if (transferring ||
 355                     (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) ||
 356                     (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file))
 357                     ) {
 358                 setButtonsForTransferring();
 359
 360             } else if (file.isDown()) {
 361
 362                 setButtonsForDown();
 363
 364             } else {
 365                 // TODO load default preview image; when the local file is removed, the preview
 366                 // remains there
 367                 setButtonsForRemote();
 368             }
 369         }
 370         getView().invalidate();
 371     }
 372
 373     /**
 374      * Checks if the fragment is ready to show details of a OCFile
 375      *
 376      * @return 'True' when the fragment is ready to show details of a file
 377      */
 378     private boolean readyToShow() {
 379         return (getFile() != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 380     }
 381
 382
 383     /**
 384      * Updates the filename in view
 385      *
 386      * @param filename to set
 387      */
 388     private void setFilename(String filename) {
 389         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 390         if (tv != null) {
 391             tv.setText(filename);
 392         }
 393     }
 394
 395     /**
 396      * Updates the MIME type in view
 397      * @param file : An {@link OCFile}
 398      */
 399     private void setFiletype(OCFile file) {
 400         String mimetype = file.getMimetype();
 401         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 402         if (tv != null) {
 403                         // mimetype      MIME type to set
 404             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);
 405             tv.setText(printableMimetype);
 406         }
 407
 408         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 409
 410         if (iv != null) {
 411             Bitmap thumbnail;
 412             iv.setTag(file.getFileId());
 413
 414             if (file.isImage()) {
 415                 String tagId = String.valueOf(file.getRemoteId());
 416                 thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(tagId);
 417
 418                 if (thumbnail != null && !file.needsUpdateThumbnail()) {
 419                     iv.setImageBitmap(thumbnail);
 420                 } else {
 421                     // generate new Thumbnail
 422                     if (ThumbnailsCacheManager.cancelPotentialWork(file, iv)) {
 423                         final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 424                                 new ThumbnailsCacheManager.ThumbnailGenerationTask(
 425                                         iv, mContainerActivity.getStorageManager(), mAccount
 426                                 );
 427                         if (thumbnail == null) {
 428                             thumbnail = ThumbnailsCacheManager.mDefaultImg;
 429                         }
 430                         final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 431                                 new ThumbnailsCacheManager.AsyncDrawable(
 432                                         MainApp.getAppContext().getResources(),
 433                                         thumbnail,
 434                                         task
 435                                 );
 436                         iv.setImageDrawable(asyncDrawable);
 437                         task.execute(file);
 438                     }
 439                 }
 440             } else {
 441                                 // Name of the file, to deduce the icon to use in case the MIME type is not precise enough
 442                                 String filename = file.getFileName();
 443                 iv.setImageResource(MimetypeIconUtil.getFileTypeIconId(mimetype, filename));
 444                         }
 445         }
 446     }
 447
 448     /**
 449      * Updates the file size in view
 450      *
 451      * @param filesize in bytes to set
 452      */
 453     private void setFilesize(long filesize) {
 454         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 455         if (tv != null) {
 456             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 457         }
 458     }
 459
 460     /**
 461      * Updates the time that the file was last modified
 462      *
 463      * @param milliseconds Unix time to set
 464      */
 465     private void setTimeModified(long milliseconds) {
 466         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 467         if (tv != null) {
 468             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 469         }
 470     }
 471
 472     /**
 473      * Enables or disables buttons for a file being downloaded
 474      */
 475     private void setButtonsForTransferring() {
 476         if (!isEmpty()) {
 477             // let's protect the user from himself ;)
 478             getView().findViewById(R.id.fdFavorite).setEnabled(false);
 479
 480             // show the progress bar for the transfer
 481             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.VISIBLE);
 482             TextView progressText = (TextView) getView().findViewById(R.id.fdProgressText);
 483             progressText.setVisibility(View.VISIBLE);
 484             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 485             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 486             //if (getFile().isDownloading()) {
 487             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, getFile())) {
 488                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 489             }
 490             else {
 491                 if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile())) {
 492                     progressText.setText(R.string.uploader_upload_in_progress_ticker);
 493                 }
 494             }
 495         }
 496     }
 497
 498     /**
 499      * Enables or disables buttons for a file locally available
 500      */
 501     private void setButtonsForDown() {
 502         if (!isEmpty()) {
 503             getView().findViewById(R.id.fdFavorite).setEnabled(true);
 504
 505             // hides the progress bar
 506             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 507             TextView progressText = (TextView) getView().findViewById(R.id.fdProgressText);
 508             progressText.setVisibility(View.GONE);
 509         }
 510     }
 511
 512     /**
 513      * Enables or disables buttons for a file not locally available
 514      */
 515     private void setButtonsForRemote() {
 516         if (!isEmpty()) {
 517             getView().findViewById(R.id.fdFavorite).setEnabled(true);
 518
 519             // hides the progress bar
 520             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 521             TextView progressText = (TextView) getView().findViewById(R.id.fdProgressText);
 522             progressText.setVisibility(View.GONE);
 523         }
 524     }
 525
 526
 527     public void listenForTransferProgress() {
 528         if (mProgressListener != null) {
 529             if (mContainerActivity.getFileDownloaderBinder() != null) {
 530                 mContainerActivity.getFileDownloaderBinder().
 531                         addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 532             }
 533             if (mContainerActivity.getFileUploaderBinder() != null) {
 534                 mContainerActivity.getFileUploaderBinder().
 535                         addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 536             }
 537         }
 538     }
 539
 540
 541     public void leaveTransferProgress() {
 542         if (mProgressListener != null) {
 543             if (mContainerActivity.getFileDownloaderBinder() != null) {
 544                 mContainerActivity.getFileDownloaderBinder().
 545                         removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 546             }
 547             if (mContainerActivity.getFileUploaderBinder() != null) {
 548                 mContainerActivity.getFileUploaderBinder().
 549                         removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 550             }
 551         }
 552     }
 553
 554
 555     /**
 556      * Helper class responsible for updating the progress bar shown for file uploading or
 557      * downloading
 558      */
 559     private class ProgressListener implements OnDatatransferProgressListener {
 560         int mLastPercent = 0;
 561         WeakReference<ProgressBar> mProgressBar = null;
 562
 563         ProgressListener(ProgressBar progressBar) {
 564             mProgressBar = new WeakReference<ProgressBar>(progressBar);
 565         }
 566
 567         @Override
 568         public void onTransferProgress(long progressRate, long totalTransferredSoFar,
 569                                        long totalToTransfer, String filename) {
 570             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 571             if (percent != mLastPercent) {
 572                 ProgressBar pb = mProgressBar.get();
 573                 if (pb != null) {
 574                     pb.setProgress(percent);
 575                     pb.postInvalidate();
 576                 }
 577             }
 578             mLastPercent = percent;
 579         }
 580
 581     }
 582
 583 }