src/com/owncloud/android/files/FileOperationsHelper.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author masensio
   5  *   @author David A. Velasco
   6  *   Copyright (C) 2015 ownCloud Inc.
   7  *
   8  *   This program is free software: you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License version 2,
  10  *   as published by the Free Software Foundation.
  11  *
  12  *   This program is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 package com.owncloud.android.files;
  23
  24 import android.accounts.Account;
  25 import android.content.ActivityNotFoundException;
  26 import android.content.Context;
  27 import android.content.Intent;
  28 import android.content.pm.PackageManager;
  29 import android.content.pm.ResolveInfo;
  30 import android.net.Uri;
  31 import android.support.v4.app.DialogFragment;
  32 import android.webkit.MimeTypeMap;
  33 import android.widget.Toast;
  34
  35 import com.owncloud.android.R;
  36 import com.owncloud.android.authentication.AccountUtils;
  37 import com.owncloud.android.datamodel.OCFile;
  38 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  39 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  40 import com.owncloud.android.lib.common.network.WebdavUtils;
  41 import com.owncloud.android.lib.common.utils.Log_OC;
  42 import com.owncloud.android.lib.resources.shares.ShareType;
  43 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  44 import com.owncloud.android.services.OperationsService;
  45 import com.owncloud.android.services.observer.FileObserverService;
  46 import com.owncloud.android.ui.activity.FileActivity;
  47 import com.owncloud.android.ui.activity.ShareActivity;
  48 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
  49
  50 import org.apache.http.protocol.HTTP;
  51
  52 import java.util.List;
  53
  54 /**
  55  *
  56  */
  57 public class FileOperationsHelper {
  58
  59     private static final String TAG = FileOperationsHelper.class.getName();
  60
  61     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  62
  63     protected FileActivity mFileActivity = null;
  64
  65     /// Identifier of operation in progress which result shouldn't be lost
  66     private long mWaitingForOpId = Long.MAX_VALUE;
  67
  68     public FileOperationsHelper(FileActivity fileActivity) {
  69         mFileActivity = fileActivity;
  70     }
  71
  72
  73     public void openFile(OCFile file) {
  74         if (file != null) {
  75             String storagePath = file.getStoragePath();
  76             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  77
  78             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  79             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath),
  80                     file.getMimetype());
  81             intentForSavedMimeType.setFlags(
  82                     Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  83             );
  84
  85             Intent intentForGuessedMimeType = null;
  86             if (storagePath.lastIndexOf('.') >= 0) {
  87                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
  88                         storagePath.substring(storagePath.lastIndexOf('.') + 1)
  89                 );
  90                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  91                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  92                     intentForGuessedMimeType.
  93                             setDataAndType(Uri.parse("file://"+ encodedStoragePath),
  94                                     guessedMimeType);
  95                     intentForGuessedMimeType.setFlags(
  96                             Intent.FLAG_GRANT_READ_URI_PERMISSION |
  97                                     Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  98                     );
  99                 }
 100             }
 101
 102             Intent openFileWithIntent;
 103             if (intentForGuessedMimeType != null) {
 104                 openFileWithIntent = intentForGuessedMimeType;
 105             } else {
 106                 openFileWithIntent = intentForSavedMimeType;
 107             }
 108
 109             List<ResolveInfo> launchables = mFileActivity.getPackageManager().
 110                     queryIntentActivities(openFileWithIntent, PackageManager.GET_INTENT_FILTERS);
 111
 112             if(launchables != null && launchables.size() > 0) {
 113                 try {
 114                     mFileActivity.startActivity(
 115                             Intent.createChooser(
 116                                     openFileWithIntent, mFileActivity.getString(R.string.actionbar_open_with)
 117                             )
 118                     );
 119                 } catch (ActivityNotFoundException anfe) {
 120                     showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 121                 }
 122             } else {
 123                 showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 124             }
 125
 126         } else {
 127             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 128         }
 129     }
 130
 131     /**
 132      * Displays a toast stating that no application could be found to open the file.
 133      *
 134      * @param context the context to be able to show a toast.
 135      */
 136     private void showNoAppForFileTypeToast(Context context) {
 137         Toast.makeText(context,
 138                 R.string.file_list_no_app_for_file_type, Toast.LENGTH_SHORT)
 139                 .show();
 140     }
 141
 142
 143     /**
 144      * Helper method to share a file via a public link. Starts a request to do it in {@link OperationsService}
 145      *
 146      * @param file      The file to share.
 147      */
 148     public void shareFileViaLink(OCFile file) {
 149         if (isSharedSupported()) {
 150             if (file != null) {
 151                 mFileActivity.showLoadingDialog(
 152                         mFileActivity.getApplicationContext().
 153                         getString(R.string.wait_a_moment)
 154                 );
 155                 Intent service = new Intent(mFileActivity, OperationsService.class);
 156                 service.setAction(OperationsService.ACTION_CREATE_SHARE_VIA_LINK);
 157                 service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 158                 service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 159                 mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 160
 161             } else {
 162                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 163                 // TODO user-level error?
 164             }
 165
 166         } else {
 167             // Show a Message
 168             Toast t = Toast.makeText(
 169                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api),
 170                     Toast.LENGTH_LONG
 171             );
 172             t.show();
 173         }
 174     }
 175
 176
 177     public void shareFileWithLinkOLD(OCFile file) {
 178
 179         if (isSharedSupported()) {
 180             if (file != null) {
 181                 String link = "https://fake.url";
 182                 Intent intent = createShareWithLinkIntent(link);
 183                 String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 184                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent,
 185                         packagesToExclude, file);
 186                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 187
 188             } else {
 189                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 190             }
 191
 192         } else {
 193             // Show a Message
 194             Toast t = Toast.makeText(
 195                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api),
 196                     Toast.LENGTH_LONG
 197             );
 198             t.show();
 199         }
 200     }
 201
 202
 203     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 204
 205         if (file != null) {
 206             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 207                     getString(R.string.wait_a_moment));
 208
 209             Intent service = new Intent(mFileActivity, OperationsService.class);
 210             service.setAction(OperationsService.ACTION_CREATE_SHARE_VIA_LINK);
 211             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 212             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 213             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 214             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 215             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 216
 217         } else {
 218             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 219         }
 220     }
 221
 222
 223     private Intent createShareWithLinkIntent(String link) {
 224         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 225         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 226         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 227         return intentToShareLink;
 228     }
 229
 230
 231     /**
 232      * Helper method to share a file with a known sharee. Starts a request to do it in {@link OperationsService}
 233      *
 234      * @param file          The file to share.
 235      * @param shareeName    Name (user name or group name) of the target sharee.
 236      * @param shareType     The share type determines the sharee type.
 237      */
 238     public void shareFileWithSharee(OCFile file, String shareeName, ShareType shareType) {
 239         if (file != null) {
 240             // TODO check capability?
 241             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 242                     getString(R.string.wait_a_moment));
 243
 244             Intent service = new Intent(mFileActivity, OperationsService.class);
 245             service.setAction(OperationsService.ACTION_CREATE_SHARE_WITH_SHAREE);
 246             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 247             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 248             service.putExtra(OperationsService.EXTRA_SHARE_WITH, shareeName);
 249             service.putExtra(OperationsService.EXTRA_SHARE_TYPE, shareType);
 250             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 251
 252         } else {
 253             Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 254         }
 255     }
 256
 257
 258     /**
 259      * @return 'True' if the server supports the Share API
 260      */
 261     public boolean isSharedSupported() {
 262         if (mFileActivity.getAccount() != null) {
 263             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 264             return (serverVersion != null && serverVersion.isSharedSupported());
 265         }
 266         return false;
 267     }
 268
 269
 270     /**
 271      * Helper method to unshare a file publicly shared via link.
 272      * Starts a request to do it in {@link OperationsService}
 273      *
 274      * @param file      The file to unshare.
 275      */
 276     public void unshareFileViaLink(OCFile file) {
 277
 278         // Unshare the file: Create the intent
 279         Intent unshareService = new Intent(mFileActivity, OperationsService.class);
 280         unshareService.setAction(OperationsService.ACTION_UNSHARE);
 281         unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 282         unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 283         unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, ShareType.PUBLIC_LINK);
 284         unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, "");
 285
 286         unshareFile(unshareService);
 287     }
 288
 289     public void unshareFileWithUserOrGroup(OCFile file, ShareType shareType, String userOrGroup){
 290
 291         // Unshare the file: Create the intent
 292         Intent unshareService = new Intent(mFileActivity, OperationsService.class);
 293         unshareService.setAction(OperationsService.ACTION_UNSHARE);
 294         unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 295         unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 296         unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, shareType);
 297         unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, userOrGroup);
 298
 299         unshareFile(unshareService);
 300     }
 301
 302
 303     private void unshareFile(Intent unshareService){
 304         if (isSharedSupported()) {
 305             // Unshare the file
 306             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().
 307                     queueNewOperation(unshareService);
 308
 309             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 310                     getString(R.string.wait_a_moment));
 311
 312         } else {
 313             // Show a Message
 314             Toast t = Toast.makeText(mFileActivity,
 315                     mFileActivity.getString(R.string.share_link_no_support_share_api),
 316                     Toast.LENGTH_LONG);
 317             t.show();
 318
 319         }
 320     }
 321
 322     /**
 323      * Show an instance of {@link ShareType} for sharing or unsharing the {@OCFile} received as parameter.
 324      *
 325      * @param file  File to share or unshare.
 326      */
 327     public void showShareFile(OCFile file){
 328         Intent intent = new Intent(mFileActivity, ShareActivity.class);
 329         intent.putExtra(mFileActivity.EXTRA_FILE, file);
 330         intent.putExtra(mFileActivity.EXTRA_ACCOUNT, mFileActivity.getAccount());
 331         mFileActivity.startActivity(intent);
 332
 333     }
 334
 335
 336     /**
 337      * @return 'True' if the server supports the Search Users API
 338      */
 339     public boolean isSearchUsersSupportedSupported() {
 340         if (mFileActivity.getAccount() != null) {
 341             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 342             return (serverVersion != null && serverVersion.isSearchUsersSupported());
 343         }
 344         return false;
 345     }
 346
 347     public void sendDownloadedFile(OCFile file) {
 348         if (file != null) {
 349             String storagePath = file.getStoragePath();
 350             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 351             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 352             // set MimeType
 353             sendIntent.setType(file.getMimetype());
 354             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 355             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 356
 357             // Show dialog, without the own app
 358             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 359             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent,
 360                     packagesToExclude, file);
 361             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 362
 363         } else {
 364             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 365         }
 366     }
 367
 368     /**
 369      * Request the synchronization of a file or folder with the OC server, including its contents.
 370      *
 371      * @param file          The file or folder to synchronize
 372      */
 373     public void syncFile(OCFile file) {
 374         if (!file.isFolder()){
 375             Intent intent = new Intent(mFileActivity, OperationsService.class);
 376             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 377             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 378             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 379             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 380             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 381             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 382                     getString(R.string.wait_a_moment));
 383
 384         } else {
 385             Intent intent = new Intent(mFileActivity, OperationsService.class);
 386             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 387             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 388             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 389             mFileActivity.startService(intent);
 390
 391         }
 392     }
 393
 394     public void toggleFavorite(OCFile file, boolean isFavorite) {
 395         file.setFavorite(isFavorite);
 396         mFileActivity.getStorageManager().saveFile(file);
 397
 398         /// register the OCFile instance in the observer service to monitor local updates
 399         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 400                 mFileActivity,
 401                 file,
 402                 mFileActivity.getAccount(),
 403                 isFavorite);
 404         mFileActivity.startService(observedFileIntent);
 405
 406         /// immediate content synchronization
 407         if (file.isFavorite()) {
 408             syncFile(file);
 409         }
 410     }
 411
 412     public void renameFile(OCFile file, String newFilename) {
 413         // RenameFile
 414         Intent service = new Intent(mFileActivity, OperationsService.class);
 415         service.setAction(OperationsService.ACTION_RENAME);
 416         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 417         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 418         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 419         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 420
 421         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 422                 getString(R.string.wait_a_moment));
 423     }
 424
 425
 426     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 427         // RemoveFile
 428         Intent service = new Intent(mFileActivity, OperationsService.class);
 429         service.setAction(OperationsService.ACTION_REMOVE);
 430         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 431         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 432         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 433         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 434
 435         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 436                 getString(R.string.wait_a_moment));
 437     }
 438
 439
 440     public void createFolder(String remotePath, boolean createFullPath) {
 441         // Create Folder
 442         Intent service = new Intent(mFileActivity, OperationsService.class);
 443         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 444         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 445         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 446         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 447         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 448
 449         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 450                 getString(R.string.wait_a_moment));
 451     }
 452
 453     /**
 454      * Cancel the transference in downloads (files/folders) and file uploads
 455      * @param file OCFile
 456      */
 457     public void cancelTransference(OCFile file) {
 458         Account account = mFileActivity.getAccount();
 459         if (file.isFolder()) {
 460             OperationsService.OperationsServiceBinder opsBinder =
 461                     mFileActivity.getOperationsServiceBinder();
 462             if (opsBinder != null) {
 463                 opsBinder.cancel(account, file);
 464             }
 465         }
 466
 467         // for both files and folders
 468         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 469         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 470             downloaderBinder.cancel(account, file);
 471         }
 472         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 473         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 474             uploaderBinder.cancel(account, file);
 475         }
 476     }
 477
 478     /**
 479      * Start move file operation
 480      *
 481      * @param newfile     File where it is going to be moved
 482      * @param currentFile File with the previous info
 483      */
 484     public void moveFile(OCFile newfile, OCFile currentFile) {
 485         // Move files
 486         Intent service = new Intent(mFileActivity, OperationsService.class);
 487         service.setAction(OperationsService.ACTION_MOVE_FILE);
 488         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 489         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 490         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 491         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 492
 493         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 494                 getString(R.string.wait_a_moment));
 495     }
 496
 497     /**
 498      * Start copy file operation
 499      *
 500      * @param newfile     File where it is going to be moved
 501      * @param currentFile File with the previous info
 502      */
 503     public void copyFile(OCFile newfile, OCFile currentFile) {
 504         // Copy files
 505         Intent service = new Intent(mFileActivity, OperationsService.class);
 506         service.setAction(OperationsService.ACTION_COPY_FILE);
 507         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 508         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 509         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 510         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 511
 512         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 513                 getString(R.string.wait_a_moment));
 514     }
 515
 516     public long getOpIdWaitingFor() {
 517         return mWaitingForOpId;
 518     }
 519
 520
 521     public void setOpIdWaitingFor(long waitingForOpId) {
 522         mWaitingForOpId = waitingForOpId;
 523     }
 524
 525     /**
 526      *  @return 'True' if the server doesn't need to check forbidden characters
 527      */
 528     public boolean isVersionWithForbiddenCharacters() {
 529         if (mFileActivity.getAccount() != null) {
 530             OwnCloudVersion serverVersion =
 531                     AccountUtils.getServerVersion(mFileActivity.getAccount());
 532             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 533         }
 534         return false;
 535     }
 536
 537 }