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      /**
 145      * Helper method to share a file via a public link. Starts a request to do it in {@link OperationsService}
 146      *
 147      * @param file      The file to share.
 148      */
 149     public void shareFileViaLink(OCFile file) {
 150         if (isSharedSupported()) {
 151             if (file != null) {
 152                 mFileActivity.showLoadingDialog(
 153                         mFileActivity.getApplicationContext().
 154                         getString(R.string.wait_a_moment)
 155                 );
 156                 Intent service = new Intent(mFileActivity, OperationsService.class);
 157                 service.setAction(OperationsService.ACTION_CREATE_SHARE_VIA_LINK);
 158                 service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 159                 service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 160                 mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 161
 162             } else {
 163                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 164                 // TODO user-level error?
 165             }
 166
 167         } else {
 168             // Show a Message
 169             Toast t = Toast.makeText(
 170                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api),
 171                     Toast.LENGTH_LONG
 172             );
 173             t.show();
 174         }
 175     }
 176
 177
 178     public void shareFileWithLinkOLD(OCFile file) {
 179
 180         if (isSharedSupported()) {
 181             if (file != null) {
 182                 String link = "https://fake.url";
 183                 Intent intent = createShareWithLinkIntent(link);
 184                 String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 185                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent,
 186                         packagesToExclude, file);
 187                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 188
 189             } else {
 190                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 191             }
 192
 193         } else {
 194             // Show a Message
 195             Toast t = Toast.makeText(
 196                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api),
 197                     Toast.LENGTH_LONG
 198             );
 199             t.show();
 200         }
 201     }
 202
 203
 204     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 205
 206         if (file != null) {
 207             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 208                     getString(R.string.wait_a_moment));
 209
 210             Intent service = new Intent(mFileActivity, OperationsService.class);
 211             service.setAction(OperationsService.ACTION_CREATE_SHARE_VIA_LINK);
 212             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 213             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 214             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 215             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 216             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 217
 218         } else {
 219             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 220         }
 221     }
 222
 223
 224     private Intent createShareWithLinkIntent(String link) {
 225         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 226         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 227         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 228         return intentToShareLink;
 229     }
 230
 231
 232     /**
 233      * Helper method to share a file with a known sharee. Starts a request to do it in {@link OperationsService}
 234      *
 235      * @param file          The file to share.
 236      * @param shareeName    Name (user name or group name) of the target sharee.
 237      * @param shareType     The share type determines the sharee type.
 238      */
 239     public void shareFileWithSharee(OCFile file, String shareeName, ShareType shareType) {
 240         if (file != null) {
 241             // TODO check capability?
 242             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 243                     getString(R.string.wait_a_moment));
 244
 245             Intent service = new Intent(mFileActivity, OperationsService.class);
 246             service.setAction(OperationsService.ACTION_CREATE_SHARE_WITH_SHAREE);
 247             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 248             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 249             service.putExtra(OperationsService.EXTRA_SHARE_WITH, shareeName);
 250             service.putExtra(OperationsService.EXTRA_SHARE_TYPE, shareType);
 251             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 252
 253         } else {
 254             Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 255         }
 256     }
 257
 258
 259     /**
 260      * @return 'True' if the server supports the Share API
 261      */
 262     public boolean isSharedSupported() {
 263         if (mFileActivity.getAccount() != null) {
 264             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 265             return (serverVersion != null && serverVersion.isSharedSupported());
 266         }
 267         return false;
 268     }
 269
 270
 271     public void unshareFileWithLink(OCFile file) {
 272
 273         // Unshare the file: Create the intent
 274         Intent unshareService = new Intent(mFileActivity, OperationsService.class);
 275         unshareService.setAction(OperationsService.ACTION_UNSHARE);
 276         unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 277         unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 278         unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, ShareType.PUBLIC_LINK);
 279         unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, "");
 280
 281         unshareFile(unshareService);
 282     }
 283
 284     public void unshareFileWithUserOrGroup(OCFile file, ShareType shareType, String userOrGroup){
 285
 286         // Unshare the file: Create the intent
 287         Intent unshareService = new Intent(mFileActivity, OperationsService.class);
 288         unshareService.setAction(OperationsService.ACTION_UNSHARE);
 289         unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 290         unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 291         unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, shareType);
 292         unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, userOrGroup);
 293
 294         unshareFile(unshareService);
 295     }
 296
 297
 298     private void unshareFile(Intent unshareService){
 299         if (isSharedSupported()) {
 300             // Unshare the file
 301             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().
 302                     queueNewOperation(unshareService);
 303
 304             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 305                     getString(R.string.wait_a_moment));
 306
 307         } else {
 308             // Show a Message
 309             Toast t = Toast.makeText(mFileActivity,
 310                     mFileActivity.getString(R.string.share_link_no_support_share_api),
 311                     Toast.LENGTH_LONG);
 312             t.show();
 313
 314         }
 315     }
 316
 317     /**
 318      * Show an instance of {@link ShareType} for sharing or unsharing the {@OCFile} received as parameter.
 319      *
 320      * @param file  File to share or unshare.
 321      */
 322     public void showShareFile(OCFile file){
 323         Intent intent = new Intent(mFileActivity, ShareActivity.class);
 324         intent.putExtra(mFileActivity.EXTRA_FILE, file);
 325         intent.putExtra(mFileActivity.EXTRA_ACCOUNT, mFileActivity.getAccount());
 326         mFileActivity.startActivity(intent);
 327
 328     }
 329
 330
 331     /**
 332      * @return 'True' if the server supports the Search Users API
 333      */
 334     public boolean isSearchUsersSupportedSupported() {
 335         if (mFileActivity.getAccount() != null) {
 336             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 337             return (serverVersion != null && serverVersion.isSearchUsersSupported());
 338         }
 339         return false;
 340     }
 341
 342     public void sendDownloadedFile(OCFile file) {
 343         if (file != null) {
 344             String storagePath = file.getStoragePath();
 345             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 346             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 347             // set MimeType
 348             sendIntent.setType(file.getMimetype());
 349             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 350             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 351
 352             // Show dialog, without the own app
 353             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 354             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent,
 355                     packagesToExclude, file);
 356             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 357
 358         } else {
 359             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 360         }
 361     }
 362
 363     /**
 364      * Request the synchronization of a file or folder with the OC server, including its contents.
 365      *
 366      * @param file          The file or folder to synchronize
 367      */
 368     public void syncFile(OCFile file) {
 369         if (!file.isFolder()){
 370             Intent intent = new Intent(mFileActivity, OperationsService.class);
 371             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 372             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 373             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 374             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 375             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 376             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 377                     getString(R.string.wait_a_moment));
 378
 379         } else {
 380             Intent intent = new Intent(mFileActivity, OperationsService.class);
 381             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 382             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 383             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 384             mFileActivity.startService(intent);
 385
 386         }
 387     }
 388
 389     public void toggleFavorite(OCFile file, boolean isFavorite) {
 390         file.setFavorite(isFavorite);
 391         mFileActivity.getStorageManager().saveFile(file);
 392
 393         /// register the OCFile instance in the observer service to monitor local updates
 394         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 395                 mFileActivity,
 396                 file,
 397                 mFileActivity.getAccount(),
 398                 isFavorite);
 399         mFileActivity.startService(observedFileIntent);
 400
 401         /// immediate content synchronization
 402         if (file.isFavorite()) {
 403             syncFile(file);
 404         }
 405     }
 406
 407     public void renameFile(OCFile file, String newFilename) {
 408         // RenameFile
 409         Intent service = new Intent(mFileActivity, OperationsService.class);
 410         service.setAction(OperationsService.ACTION_RENAME);
 411         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 412         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 413         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 414         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 415
 416         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 417                 getString(R.string.wait_a_moment));
 418     }
 419
 420
 421     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 422         // RemoveFile
 423         Intent service = new Intent(mFileActivity, OperationsService.class);
 424         service.setAction(OperationsService.ACTION_REMOVE);
 425         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 426         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 427         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 428         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 429
 430         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 431                 getString(R.string.wait_a_moment));
 432     }
 433
 434
 435     public void createFolder(String remotePath, boolean createFullPath) {
 436         // Create Folder
 437         Intent service = new Intent(mFileActivity, OperationsService.class);
 438         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 439         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 440         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 441         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 442         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 443
 444         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 445                 getString(R.string.wait_a_moment));
 446     }
 447
 448     /**
 449      * Cancel the transference in downloads (files/folders) and file uploads
 450      * @param file OCFile
 451      */
 452     public void cancelTransference(OCFile file) {
 453         Account account = mFileActivity.getAccount();
 454         if (file.isFolder()) {
 455             OperationsService.OperationsServiceBinder opsBinder =
 456                     mFileActivity.getOperationsServiceBinder();
 457             if (opsBinder != null) {
 458                 opsBinder.cancel(account, file);
 459             }
 460         }
 461
 462         // for both files and folders
 463         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 464         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 465             downloaderBinder.cancel(account, file);
 466         }
 467         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 468         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 469             uploaderBinder.cancel(account, file);
 470         }
 471     }
 472
 473     /**
 474      * Start move file operation
 475      *
 476      * @param newfile     File where it is going to be moved
 477      * @param currentFile File with the previous info
 478      */
 479     public void moveFile(OCFile newfile, OCFile currentFile) {
 480         // Move files
 481         Intent service = new Intent(mFileActivity, OperationsService.class);
 482         service.setAction(OperationsService.ACTION_MOVE_FILE);
 483         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 484         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 485         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 486         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 487
 488         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 489                 getString(R.string.wait_a_moment));
 490     }
 491
 492     /**
 493      * Start copy file operation
 494      *
 495      * @param newfile     File where it is going to be moved
 496      * @param currentFile File with the previous info
 497      */
 498     public void copyFile(OCFile newfile, OCFile currentFile) {
 499         // Copy files
 500         Intent service = new Intent(mFileActivity, OperationsService.class);
 501         service.setAction(OperationsService.ACTION_COPY_FILE);
 502         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 503         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 504         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 505         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 506
 507         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 508                 getString(R.string.wait_a_moment));
 509     }
 510
 511     public long getOpIdWaitingFor() {
 512         return mWaitingForOpId;
 513     }
 514
 515
 516     public void setOpIdWaitingFor(long waitingForOpId) {
 517         mWaitingForOpId = waitingForOpId;
 518     }
 519
 520     /**
 521      *  @return 'True' if the server doesn't need to check forbidden characters
 522      */
 523     public boolean isVersionWithForbiddenCharacters() {
 524         if (mFileActivity.getAccount() != null) {
 525             OwnCloudVersion serverVersion =
 526                     AccountUtils.getServerVersion(mFileActivity.getAccount());
 527             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 528         }
 529         return false;
 530     }
 531
 532 }