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     public void shareFileWithLink(OCFile file) {
 143
 144         if (isSharedSupported()) {
 145             if (file != null) {
 146                 String link = "https://fake.url";
 147                 Intent intent = createShareWithLinkIntent(link);
 148                 String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 149                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent,
 150                         packagesToExclude, file);
 151                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 152
 153             } else {
 154                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 155             }
 156
 157         } else {
 158             // Show a Message
 159             Toast t = Toast.makeText(
 160                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api),
 161                     Toast.LENGTH_LONG
 162             );
 163             t.show();
 164         }
 165     }
 166
 167
 168     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 169
 170         if (file != null) {
 171             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 172                     getString(R.string.wait_a_moment));
 173
 174             Intent service = new Intent(mFileActivity, OperationsService.class);
 175             service.setAction(OperationsService.ACTION_CREATE_SHARE_VIA_LINK);
 176             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 177             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 178             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 179             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 180             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 181
 182         } else {
 183             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 184         }
 185     }
 186
 187
 188     private Intent createShareWithLinkIntent(String link) {
 189         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 190         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 191         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 192         return intentToShareLink;
 193     }
 194
 195
 196     /**
 197      * Helper method to share a file with a know sharee. Starts a request to do it in {@link OperationsService}
 198      *
 199      * @param file          The file to share.
 200      * @param shareeName    Name (user name or group name) of the target sharee.
 201      * @param shareType     The share type determines the sharee type.
 202      */
 203     public void shareFileWithSharee(OCFile file, String shareeName, ShareType shareType) {
 204         if (file != null) {
 205             // TODO check capability?
 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_WITH_SHAREE);
 211             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 212             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 213             service.putExtra(OperationsService.EXTRA_SHARE_WITH, shareeName);
 214             service.putExtra(OperationsService.EXTRA_SHARE_TYPE, shareType);
 215             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 216
 217         } else {
 218             Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 219         }
 220     }
 221
 222
 223     /**
 224      * @return 'True' if the server supports the Share API
 225      */
 226     public boolean isSharedSupported() {
 227         if (mFileActivity.getAccount() != null) {
 228             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 229             return (serverVersion != null && serverVersion.isSharedSupported());
 230         }
 231         return false;
 232     }
 233
 234
 235     public void unshareFileWithLink(OCFile file) {
 236
 237         // Unshare the file: Create the intent
 238         Intent unshareService = new Intent(mFileActivity, OperationsService.class);
 239         unshareService.setAction(OperationsService.ACTION_UNSHARE);
 240         unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 241         unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 242         unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, ShareType.PUBLIC_LINK);
 243         unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, "");
 244
 245         unshareFile(unshareService);
 246     }
 247
 248     public void unshareFileWithUserOrGroup(OCFile file, ShareType shareType, String userOrGroup){
 249
 250         // Unshare the file: Create the intent
 251         Intent unshareService = new Intent(mFileActivity, OperationsService.class);
 252         unshareService.setAction(OperationsService.ACTION_UNSHARE);
 253         unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 254         unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 255         unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, shareType);
 256         unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, userOrGroup);
 257
 258         unshareFile(unshareService);
 259     }
 260
 261
 262     private void unshareFile(Intent unshareService){
 263         if (isSharedSupported()) {
 264             // Unshare the file
 265             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().
 266                     queueNewOperation(unshareService);
 267
 268             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 269                     getString(R.string.wait_a_moment));
 270
 271         } else {
 272             // Show a Message
 273             Toast t = Toast.makeText(mFileActivity,
 274                     mFileActivity.getString(R.string.share_link_no_support_share_api),
 275                     Toast.LENGTH_LONG);
 276             t.show();
 277
 278         }
 279     }
 280
 281     /**
 282      * Show an instance of {@link ShareType} for sharing or unsharing the {@OCFile} received as parameter.
 283      *
 284      * @param file  File to share or unshare.
 285      */
 286     public void showShareFile(OCFile file){
 287         Intent intent = new Intent(mFileActivity, ShareActivity.class);
 288         intent.putExtra(mFileActivity.EXTRA_FILE, file);
 289         intent.putExtra(mFileActivity.EXTRA_ACCOUNT, mFileActivity.getAccount());
 290         mFileActivity.startActivity(intent);
 291
 292     }
 293
 294
 295     /**
 296      * @return 'True' if the server supports the Search Users API
 297      */
 298     public boolean isSearchUsersSupportedSupported() {
 299         if (mFileActivity.getAccount() != null) {
 300             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 301             return (serverVersion != null && serverVersion.isSearchUsersSupported());
 302         }
 303         return false;
 304     }
 305
 306     public void sendDownloadedFile(OCFile file) {
 307         if (file != null) {
 308             String storagePath = file.getStoragePath();
 309             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 310             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 311             // set MimeType
 312             sendIntent.setType(file.getMimetype());
 313             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 314             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 315
 316             // Show dialog, without the own app
 317             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 318             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent,
 319                     packagesToExclude, file);
 320             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 321
 322         } else {
 323             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 324         }
 325     }
 326
 327     /**
 328      * Request the synchronization of a file or folder with the OC server, including its contents.
 329      *
 330      * @param file          The file or folder to synchronize
 331      */
 332     public void syncFile(OCFile file) {
 333         if (!file.isFolder()){
 334             Intent intent = new Intent(mFileActivity, OperationsService.class);
 335             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 336             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 337             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 338             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 339             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 340             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 341                     getString(R.string.wait_a_moment));
 342
 343         } else {
 344             Intent intent = new Intent(mFileActivity, OperationsService.class);
 345             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 346             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 347             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 348             mFileActivity.startService(intent);
 349
 350         }
 351     }
 352
 353     public void toggleFavorite(OCFile file, boolean isFavorite) {
 354         file.setFavorite(isFavorite);
 355         mFileActivity.getStorageManager().saveFile(file);
 356
 357         /// register the OCFile instance in the observer service to monitor local updates
 358         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 359                 mFileActivity,
 360                 file,
 361                 mFileActivity.getAccount(),
 362                 isFavorite);
 363         mFileActivity.startService(observedFileIntent);
 364
 365         /// immediate content synchronization
 366         if (file.isFavorite()) {
 367             syncFile(file);
 368         }
 369     }
 370
 371     public void renameFile(OCFile file, String newFilename) {
 372         // RenameFile
 373         Intent service = new Intent(mFileActivity, OperationsService.class);
 374         service.setAction(OperationsService.ACTION_RENAME);
 375         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 376         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 377         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 378         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 379
 380         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 381                 getString(R.string.wait_a_moment));
 382     }
 383
 384
 385     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 386         // RemoveFile
 387         Intent service = new Intent(mFileActivity, OperationsService.class);
 388         service.setAction(OperationsService.ACTION_REMOVE);
 389         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 390         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 391         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 392         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 393
 394         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 395                 getString(R.string.wait_a_moment));
 396     }
 397
 398
 399     public void createFolder(String remotePath, boolean createFullPath) {
 400         // Create Folder
 401         Intent service = new Intent(mFileActivity, OperationsService.class);
 402         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 403         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 404         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 405         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 406         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 407
 408         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 409                 getString(R.string.wait_a_moment));
 410     }
 411
 412     /**
 413      * Cancel the transference in downloads (files/folders) and file uploads
 414      * @param file OCFile
 415      */
 416     public void cancelTransference(OCFile file) {
 417         Account account = mFileActivity.getAccount();
 418         if (file.isFolder()) {
 419             OperationsService.OperationsServiceBinder opsBinder =
 420                     mFileActivity.getOperationsServiceBinder();
 421             if (opsBinder != null) {
 422                 opsBinder.cancel(account, file);
 423             }
 424         }
 425
 426         // for both files and folders
 427         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 428         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 429             downloaderBinder.cancel(account, file);
 430         }
 431         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 432         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 433             uploaderBinder.cancel(account, file);
 434         }
 435     }
 436
 437     /**
 438      * Start move file operation
 439      *
 440      * @param newfile     File where it is going to be moved
 441      * @param currentFile File with the previous info
 442      */
 443     public void moveFile(OCFile newfile, OCFile currentFile) {
 444         // Move files
 445         Intent service = new Intent(mFileActivity, OperationsService.class);
 446         service.setAction(OperationsService.ACTION_MOVE_FILE);
 447         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 448         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 449         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 450         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 451
 452         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 453                 getString(R.string.wait_a_moment));
 454     }
 455
 456     /**
 457      * Start copy file operation
 458      *
 459      * @param newfile     File where it is going to be moved
 460      * @param currentFile File with the previous info
 461      */
 462     public void copyFile(OCFile newfile, OCFile currentFile) {
 463         // Copy files
 464         Intent service = new Intent(mFileActivity, OperationsService.class);
 465         service.setAction(OperationsService.ACTION_COPY_FILE);
 466         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 467         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 468         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 469         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 470
 471         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 472                 getString(R.string.wait_a_moment));
 473     }
 474
 475     public long getOpIdWaitingFor() {
 476         return mWaitingForOpId;
 477     }
 478
 479
 480     public void setOpIdWaitingFor(long waitingForOpId) {
 481         mWaitingForOpId = waitingForOpId;
 482     }
 483
 484     /**
 485      *  @return 'True' if the server doesn't need to check forbidden characters
 486      */
 487     public boolean isVersionWithForbiddenCharacters() {
 488         if (mFileActivity.getAccount() != null) {
 489             OwnCloudVersion serverVersion =
 490                     AccountUtils.getServerVersion(mFileActivity.getAccount());
 491             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 492         }
 493         return false;
 494     }
 495 }