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);
 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      * @return 'True' if the server supports the Share API
 198      */
 199     public boolean isSharedSupported() {
 200         if (mFileActivity.getAccount() != null) {
 201             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 202             return (serverVersion != null && serverVersion.isSharedSupported());
 203         }
 204         return false;
 205     }
 206
 207
 208     public void unshareFileWithLink(OCFile file) {
 209
 210         // Unshare the file: Create the intent
 211         Intent unshareService = new Intent(mFileActivity, OperationsService.class);
 212         unshareService.setAction(OperationsService.ACTION_UNSHARE);
 213         unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 214         unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 215         unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, ShareType.PUBLIC_LINK);
 216         unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, "");
 217
 218         unshareFile(unshareService);
 219     }
 220
 221     public void unshareFileWithUserOrGroup(OCFile file, ShareType shareType, String userOrGroup){
 222
 223         // Unshare the file: Create the intent
 224         Intent unshareService = new Intent(mFileActivity, OperationsService.class);
 225         unshareService.setAction(OperationsService.ACTION_UNSHARE);
 226         unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 227         unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 228         unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, shareType);
 229         unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, userOrGroup);
 230
 231         unshareFile(unshareService);
 232     }
 233
 234
 235     private void unshareFile(Intent unshareService){
 236         if (isSharedSupported()) {
 237             // Unshare the file
 238             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().
 239                     queueNewOperation(unshareService);
 240
 241             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 242                     getString(R.string.wait_a_moment));
 243
 244         } else {
 245             // Show a Message
 246             Toast t = Toast.makeText(mFileActivity,
 247                     mFileActivity.getString(R.string.share_link_no_support_share_api),
 248                     Toast.LENGTH_LONG);
 249             t.show();
 250
 251         }
 252     }
 253
 254     public void showShareFile(OCFile file){
 255         Intent intent = new Intent(mFileActivity, ShareActivity.class);
 256         intent.putExtra(mFileActivity.EXTRA_FILE, file);
 257         intent.putExtra(mFileActivity.EXTRA_ACCOUNT, mFileActivity.getAccount());
 258         mFileActivity.startActivity(intent);
 259
 260     }
 261
 262
 263     /**
 264      * @return 'True' if the server supports the Search Users API
 265      */
 266     public boolean isSearchUsersSupportedSupported() {
 267         if (mFileActivity.getAccount() != null) {
 268             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 269             return (serverVersion != null && serverVersion.isSearchUsersSupported());
 270         }
 271         return false;
 272     }
 273
 274     public void sendDownloadedFile(OCFile file) {
 275         if (file != null) {
 276             String storagePath = file.getStoragePath();
 277             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 278             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 279             // set MimeType
 280             sendIntent.setType(file.getMimetype());
 281             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 282             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 283
 284             // Show dialog, without the own app
 285             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 286             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent,
 287                     packagesToExclude, file);
 288             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 289
 290         } else {
 291             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 292         }
 293     }
 294
 295     /**
 296      * Request the synchronization of a file or folder with the OC server, including its contents.
 297      *
 298      * @param file          The file or folder to synchronize
 299      */
 300     public void syncFile(OCFile file) {
 301         if (!file.isFolder()){
 302             Intent intent = new Intent(mFileActivity, OperationsService.class);
 303             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 304             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 305             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 306             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 307             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 308             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 309                     getString(R.string.wait_a_moment));
 310
 311         } else {
 312             Intent intent = new Intent(mFileActivity, OperationsService.class);
 313             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 314             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 315             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 316             mFileActivity.startService(intent);
 317
 318         }
 319     }
 320
 321     public void toggleFavorite(OCFile file, boolean isFavorite) {
 322         file.setFavorite(isFavorite);
 323         mFileActivity.getStorageManager().saveFile(file);
 324
 325         /// register the OCFile instance in the observer service to monitor local updates
 326         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 327                 mFileActivity,
 328                 file,
 329                 mFileActivity.getAccount(),
 330                 isFavorite);
 331         mFileActivity.startService(observedFileIntent);
 332
 333         /// immediate content synchronization
 334         if (file.isFavorite()) {
 335             syncFile(file);
 336         }
 337     }
 338
 339     public void renameFile(OCFile file, String newFilename) {
 340         // RenameFile
 341         Intent service = new Intent(mFileActivity, OperationsService.class);
 342         service.setAction(OperationsService.ACTION_RENAME);
 343         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 344         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 345         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 346         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 347
 348         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 349                 getString(R.string.wait_a_moment));
 350     }
 351
 352
 353     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 354         // RemoveFile
 355         Intent service = new Intent(mFileActivity, OperationsService.class);
 356         service.setAction(OperationsService.ACTION_REMOVE);
 357         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 358         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 359         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 360         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 361
 362         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 363                 getString(R.string.wait_a_moment));
 364     }
 365
 366
 367     public void createFolder(String remotePath, boolean createFullPath) {
 368         // Create Folder
 369         Intent service = new Intent(mFileActivity, OperationsService.class);
 370         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 371         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 372         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 373         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 374         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 375
 376         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 377                 getString(R.string.wait_a_moment));
 378     }
 379
 380     /**
 381      * Cancel the transference in downloads (files/folders) and file uploads
 382      * @param file OCFile
 383      */
 384     public void cancelTransference(OCFile file) {
 385         Account account = mFileActivity.getAccount();
 386         if (file.isFolder()) {
 387             OperationsService.OperationsServiceBinder opsBinder =
 388                     mFileActivity.getOperationsServiceBinder();
 389             if (opsBinder != null) {
 390                 opsBinder.cancel(account, file);
 391             }
 392         }
 393
 394         // for both files and folders
 395         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 396         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 397             downloaderBinder.cancel(account, file);
 398         }
 399         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 400         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 401             uploaderBinder.cancel(account, file);
 402         }
 403     }
 404
 405     /**
 406      * Start move file operation
 407      *
 408      * @param newfile     File where it is going to be moved
 409      * @param currentFile File with the previous info
 410      */
 411     public void moveFile(OCFile newfile, OCFile currentFile) {
 412         // Move files
 413         Intent service = new Intent(mFileActivity, OperationsService.class);
 414         service.setAction(OperationsService.ACTION_MOVE_FILE);
 415         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 416         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 417         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 418         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 419
 420         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 421                 getString(R.string.wait_a_moment));
 422     }
 423
 424     /**
 425      * Start copy file operation
 426      *
 427      * @param newfile     File where it is going to be moved
 428      * @param currentFile File with the previous info
 429      */
 430     public void copyFile(OCFile newfile, OCFile currentFile) {
 431         // Copy files
 432         Intent service = new Intent(mFileActivity, OperationsService.class);
 433         service.setAction(OperationsService.ACTION_COPY_FILE);
 434         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 435         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 436         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 437         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 438
 439         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 440                 getString(R.string.wait_a_moment));
 441     }
 442
 443     public long getOpIdWaitingFor() {
 444         return mWaitingForOpId;
 445     }
 446
 447
 448     public void setOpIdWaitingFor(long waitingForOpId) {
 449         mWaitingForOpId = waitingForOpId;
 450     }
 451
 452     /**
 453      *  @return 'True' if the server doesn't need to check forbidden characters
 454      */
 455     public boolean isVersionWithForbiddenCharacters() {
 456         if (mFileActivity.getAccount() != null) {
 457             OwnCloudVersion serverVersion =
 458                     AccountUtils.getServerVersion(mFileActivity.getAccount());
 459             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 460         }
 461         return false;
 462     }
 463 }