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_download:
 252             case R.id.action_cancel_upload: {
 253                 ((FileDisplayActivity) mContainerActivity).cancelTransference(getFile());
 254                 return true;
 255             }
 256             case R.id.action_download_file:
 257             case R.id.action_sync_file: {
 258                 mContainerActivity.getFileOperationsHelper().syncFile(getFile());
 259                 return true;
 260             }
 261             case R.id.action_send_file: {
 262                 // Obtain the file
 263                 if (!getFile().isDown()) {  // Download the file
 264                     Log_OC.d(TAG, getFile().getRemotePath() + " : File must be downloaded");
 265                     ((FileDisplayActivity) mContainerActivity).startDownloadForSending(getFile());
 266
 267                 }
 268                 else {
 269                     mContainerActivity.getFileOperationsHelper().sendDownloadedFile(getFile());
 270                 }
 271                 return true;
 272             }
 273             case R.id.action_favorite_file:{
 274                 mContainerActivity.getFileOperationsHelper().toggleFavorite(getFile(), true);
 275                 return true;
 276             }
 277             case R.id.action_unfavorite_file:{
 278                 mContainerActivity.getFileOperationsHelper().toggleFavorite(getFile(), false);
 279                 return true;
 280             }
 281             default:
 282                 return false;
 283         }
 284     }
 285
 286     @Override
 287     public void onClick(View v) {
 288         switch (v.getId()) {
 289             case R.id.fdFavorite: {
 290                 CheckBox cb = (CheckBox) getView().findViewById(R.id.fdFavorite);
 291                 mContainerActivity.getFileOperationsHelper().toggleFavorite(getFile(),cb.isChecked());
 292                 break;
 293             }
 294             case R.id.fdCancelBtn: {
 295                 ((FileDisplayActivity) mContainerActivity).cancelTransference(getFile());
 296                 break;
 297             }
 298             default:
 299                 Log_OC.e(TAG, "Incorrect view clicked!");
 300         }
 301     }
 302
 303
 304     /**
 305      * Check if the fragment was created with an empty layout. An empty fragment can't show file details, must be replaced.
 306      *
 307      * @return True when the fragment was created with the empty layout.
 308      */
 309     public boolean isEmpty() {
 310         return (mLayout == R.layout.file_details_empty || getFile() == null || mAccount == null);
 311     }
 312
 313
 314     /**
 315      * Use this method to signal this Activity that it shall update its view.
 316      *
 317      * @param file : An {@link OCFile}
 318      */
 319     public void updateFileDetails(OCFile file, Account ocAccount) {
 320         setFile(file);
 321         mAccount = ocAccount;
 322         updateFileDetails(false, false);
 323     }
 324
 325     /**
 326      * Updates the view with all relevant details about that file.
 327      * <p/>
 328      * TODO Remove parameter when the transferring state of files is kept in database.
 329      *
 330      * @param transferring Flag signaling if the file should be considered as downloading or uploading,
 331      *                     although {@link FileDownloaderBinder#isDownloading(Account, OCFile)}  and
 332      *                     {@link FileUploaderBinder#isUploading(Account, OCFile)} return false.
 333      * @param refresh      If 'true', try to refresh the whole file from the database
 334      */
 335     public void updateFileDetails(boolean transferring, boolean refresh) {
 336         if (readyToShow()) {
 337             FileDataStorageManager storageManager = mContainerActivity.getStorageManager();
 338             if (refresh && storageManager != null) {
 339                 setFile(storageManager.getFileByPath(getFile().getRemotePath()));
 340             }
 341             OCFile file = getFile();
 342
 343             // set file details
 344             setFilename(file.getFileName());
 345             setFiletype(file);
 346             setFilesize(file.getFileLength());
 347
 348             setTimeModified(file.getModificationTimestamp());
 349
 350             CheckBox cb = (CheckBox)getView().findViewById(R.id.fdFavorite);
 351             cb.setChecked(file.isFavorite());
 352
 353             // configure UI for depending upon local state of the file
 354             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 355             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 356             if (transferring ||
 357                     (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) ||
 358                     (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file))
 359                     ) {
 360                 setButtonsForTransferring();
 361
 362             } else if (file.isDown()) {
 363
 364                 setButtonsForDown();
 365
 366             } else {
 367                 // TODO load default preview image; when the local file is removed, the preview
 368                 // remains there
 369                 setButtonsForRemote();
 370             }
 371         }
 372         getView().invalidate();
 373     }
 374
 375     /**
 376      * Checks if the fragment is ready to show details of a OCFile
 377      *
 378      * @return 'True' when the fragment is ready to show details of a file
 379      */
 380     private boolean readyToShow() {
 381         return (getFile() != null && mAccount != null && mLayout == R.layout.file_details_fragment);
 382     }
 383
 384
 385     /**
 386      * Updates the filename in view
 387      *
 388      * @param filename to set
 389      */
 390     private void setFilename(String filename) {
 391         TextView tv = (TextView) getView().findViewById(R.id.fdFilename);
 392         if (tv != null) {
 393             tv.setText(filename);
 394         }
 395     }
 396
 397     /**
 398      * Updates the MIME type in view
 399      * @param file : An {@link OCFile}
 400      */
 401     private void setFiletype(OCFile file) {
 402         String mimetype = file.getMimetype();
 403         TextView tv = (TextView) getView().findViewById(R.id.fdType);
 404         if (tv != null) {
 405                         // mimetype      MIME type to set
 406             String printableMimetype = DisplayUtils.convertMIMEtoPrettyPrint(mimetype);
 407             tv.setText(printableMimetype);
 408         }
 409
 410         ImageView iv = (ImageView) getView().findViewById(R.id.fdIcon);
 411
 412         if (iv != null) {
 413             Bitmap thumbnail;
 414             iv.setTag(file.getFileId());
 415
 416             if (file.isImage()) {
 417                 String tagId = String.valueOf(file.getRemoteId());
 418                 thumbnail = ThumbnailsCacheManager.getBitmapFromDiskCache(tagId);
 419
 420                 if (thumbnail != null && !file.needsUpdateThumbnail()) {
 421                     iv.setImageBitmap(thumbnail);
 422                 } else {
 423                     // generate new Thumbnail
 424                     if (ThumbnailsCacheManager.cancelPotentialWork(file, iv)) {
 425                         final ThumbnailsCacheManager.ThumbnailGenerationTask task =
 426                                 new ThumbnailsCacheManager.ThumbnailGenerationTask(
 427                                         iv, mContainerActivity.getStorageManager(), mAccount
 428                                 );
 429                         if (thumbnail == null) {
 430                             thumbnail = ThumbnailsCacheManager.mDefaultImg;
 431                         }
 432                         final ThumbnailsCacheManager.AsyncDrawable asyncDrawable =
 433                                 new ThumbnailsCacheManager.AsyncDrawable(
 434                                         MainApp.getAppContext().getResources(),
 435                                         thumbnail,
 436                                         task
 437                                 );
 438                         iv.setImageDrawable(asyncDrawable);
 439                         task.execute(file);
 440                     }
 441                 }
 442             } else {
 443                                 // Name of the file, to deduce the icon to use in case the MIME type is not precise enough
 444                                 String filename = file.getFileName();
 445                 iv.setImageResource(MimetypeIconUtil.getFileTypeIconId(mimetype, filename));
 446                         }
 447         }
 448     }
 449
 450     /**
 451      * Updates the file size in view
 452      *
 453      * @param filesize in bytes to set
 454      */
 455     private void setFilesize(long filesize) {
 456         TextView tv = (TextView) getView().findViewById(R.id.fdSize);
 457         if (tv != null) {
 458             tv.setText(DisplayUtils.bytesToHumanReadable(filesize));
 459         }
 460     }
 461
 462     /**
 463      * Updates the time that the file was last modified
 464      *
 465      * @param milliseconds Unix time to set
 466      */
 467     private void setTimeModified(long milliseconds) {
 468         TextView tv = (TextView) getView().findViewById(R.id.fdModified);
 469         if (tv != null) {
 470             tv.setText(DisplayUtils.unixTimeToHumanReadable(milliseconds));
 471         }
 472     }
 473
 474     /**
 475      * Enables or disables buttons for a file being downloaded
 476      */
 477     private void setButtonsForTransferring() {
 478         if (!isEmpty()) {
 479             // let's protect the user from himself ;)
 480             getView().findViewById(R.id.fdFavorite).setEnabled(false);
 481
 482             // show the progress bar for the transfer
 483             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.VISIBLE);
 484             TextView progressText = (TextView) getView().findViewById(R.id.fdProgressText);
 485             progressText.setVisibility(View.VISIBLE);
 486             FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
 487             FileUploaderBinder uploaderBinder = mContainerActivity.getFileUploaderBinder();
 488             //if (getFile().isDownloading()) {
 489             if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, getFile())) {
 490                 progressText.setText(R.string.downloader_download_in_progress_ticker);
 491             }
 492             else {
 493                 if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, getFile())) {
 494                     progressText.setText(R.string.uploader_upload_in_progress_ticker);
 495                 }
 496             }
 497         }
 498     }
 499
 500     /**
 501      * Enables or disables buttons for a file locally available
 502      */
 503     private void setButtonsForDown() {
 504         if (!isEmpty()) {
 505             getView().findViewById(R.id.fdFavorite).setEnabled(true);
 506
 507             // hides the progress bar
 508             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 509             TextView progressText = (TextView) getView().findViewById(R.id.fdProgressText);
 510             progressText.setVisibility(View.GONE);
 511         }
 512     }
 513
 514     /**
 515      * Enables or disables buttons for a file not locally available
 516      */
 517     private void setButtonsForRemote() {
 518         if (!isEmpty()) {
 519             getView().findViewById(R.id.fdFavorite).setEnabled(true);
 520
 521             // hides the progress bar
 522             getView().findViewById(R.id.fdProgressBlock).setVisibility(View.GONE);
 523             TextView progressText = (TextView) getView().findViewById(R.id.fdProgressText);
 524             progressText.setVisibility(View.GONE);
 525         }
 526     }
 527
 528
 529     public void listenForTransferProgress() {
 530         if (mProgressListener != null) {
 531             if (mContainerActivity.getFileDownloaderBinder() != null) {
 532                 mContainerActivity.getFileDownloaderBinder().
 533                         addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 534             }
 535             if (mContainerActivity.getFileUploaderBinder() != null) {
 536                 mContainerActivity.getFileUploaderBinder().
 537                         addDatatransferProgressListener(mProgressListener, mAccount, getFile());
 538             }
 539         }
 540     }
 541
 542
 543     public void leaveTransferProgress() {
 544         if (mProgressListener != null) {
 545             if (mContainerActivity.getFileDownloaderBinder() != null) {
 546                 mContainerActivity.getFileDownloaderBinder().
 547                         removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 548             }
 549             if (mContainerActivity.getFileUploaderBinder() != null) {
 550                 mContainerActivity.getFileUploaderBinder().
 551                         removeDatatransferProgressListener(mProgressListener, mAccount, getFile());
 552             }
 553         }
 554     }
 555
 556
 557     /**
 558      * Helper class responsible for updating the progress bar shown for file uploading or
 559      * downloading
 560      */
 561     private class ProgressListener implements OnDatatransferProgressListener {
 562         int mLastPercent = 0;
 563         WeakReference<ProgressBar> mProgressBar = null;
 564
 565         ProgressListener(ProgressBar progressBar) {
 566             mProgressBar = new WeakReference<ProgressBar>(progressBar);
 567         }
 568
 569         @Override
 570         public void onTransferProgress(long progressRate, long totalTransferredSoFar,
 571                                        long totalToTransfer, String filename) {
 572             int percent = (int)(100.0*((double)totalTransferredSoFar)/((double)totalToTransfer));
 573             if (percent != mLastPercent) {
 574                 ProgressBar pb = mProgressBar.get();
 575                 if (pb != null) {
 576                     pb.setProgress(percent);
 577                     pb.postInvalidate();
 578                 }
 579             }
 580             mLastPercent = percent;
 581         }
 582
 583     }
 584
 585 }