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     public void sendDownloadedFile(OCFile file) {
 263         if (file != null) {
 264             String storagePath = file.getStoragePath();
 265             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 266             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 267             // set MimeType
 268             sendIntent.setType(file.getMimetype());
 269             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 270             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 271
 272             // Show dialog, without the own app
 273             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 274             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent,
 275                     packagesToExclude, file);
 276             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 277
 278         } else {
 279             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 280         }
 281     }
 282
 283     /**
 284      * Request the synchronization of a file or folder with the OC server, including its contents.
 285      *
 286      * @param file          The file or folder to synchronize
 287      */
 288     public void syncFile(OCFile file) {
 289         if (!file.isFolder()){
 290             Intent intent = new Intent(mFileActivity, OperationsService.class);
 291             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 292             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 293             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 294             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 295             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 296             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 297                     getString(R.string.wait_a_moment));
 298
 299         } else {
 300             Intent intent = new Intent(mFileActivity, OperationsService.class);
 301             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 302             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 303             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 304             mFileActivity.startService(intent);
 305
 306         }
 307     }
 308
 309     public void toggleFavorite(OCFile file, boolean isFavorite) {
 310         file.setFavorite(isFavorite);
 311         mFileActivity.getStorageManager().saveFile(file);
 312
 313         /// register the OCFile instance in the observer service to monitor local updates
 314         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 315                 mFileActivity,
 316                 file,
 317                 mFileActivity.getAccount(),
 318                 isFavorite);
 319         mFileActivity.startService(observedFileIntent);
 320
 321         /// immediate content synchronization
 322         if (file.isFavorite()) {
 323             syncFile(file);
 324         }
 325     }
 326
 327     public void renameFile(OCFile file, String newFilename) {
 328         // RenameFile
 329         Intent service = new Intent(mFileActivity, OperationsService.class);
 330         service.setAction(OperationsService.ACTION_RENAME);
 331         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 332         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 333         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 334         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 335
 336         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 337                 getString(R.string.wait_a_moment));
 338     }
 339
 340
 341     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 342         // RemoveFile
 343         Intent service = new Intent(mFileActivity, OperationsService.class);
 344         service.setAction(OperationsService.ACTION_REMOVE);
 345         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 346         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 347         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 348         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 349
 350         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 351                 getString(R.string.wait_a_moment));
 352     }
 353
 354
 355     public void createFolder(String remotePath, boolean createFullPath) {
 356         // Create Folder
 357         Intent service = new Intent(mFileActivity, OperationsService.class);
 358         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 359         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 360         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 361         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 362         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 363
 364         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 365                 getString(R.string.wait_a_moment));
 366     }
 367
 368     /**
 369      * Cancel the transference in downloads (files/folders) and file uploads
 370      * @param file OCFile
 371      */
 372     public void cancelTransference(OCFile file) {
 373         Account account = mFileActivity.getAccount();
 374         if (file.isFolder()) {
 375             OperationsService.OperationsServiceBinder opsBinder =
 376                     mFileActivity.getOperationsServiceBinder();
 377             if (opsBinder != null) {
 378                 opsBinder.cancel(account, file);
 379             }
 380         }
 381
 382         // for both files and folders
 383         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 384         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 385             downloaderBinder.cancel(account, file);
 386         }
 387         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 388         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 389             uploaderBinder.cancel(account, file);
 390         }
 391     }
 392
 393     /**
 394      * Start move file operation
 395      *
 396      * @param newfile     File where it is going to be moved
 397      * @param currentFile File with the previous info
 398      */
 399     public void moveFile(OCFile newfile, OCFile currentFile) {
 400         // Move files
 401         Intent service = new Intent(mFileActivity, OperationsService.class);
 402         service.setAction(OperationsService.ACTION_MOVE_FILE);
 403         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 404         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 405         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 406         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 407
 408         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 409                 getString(R.string.wait_a_moment));
 410     }
 411
 412     /**
 413      * Start copy file operation
 414      *
 415      * @param newfile     File where it is going to be moved
 416      * @param currentFile File with the previous info
 417      */
 418     public void copyFile(OCFile newfile, OCFile currentFile) {
 419         // Copy files
 420         Intent service = new Intent(mFileActivity, OperationsService.class);
 421         service.setAction(OperationsService.ACTION_COPY_FILE);
 422         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 423         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 424         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 425         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 426
 427         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 428                 getString(R.string.wait_a_moment));
 429     }
 430
 431     public long getOpIdWaitingFor() {
 432         return mWaitingForOpId;
 433     }
 434
 435
 436     public void setOpIdWaitingFor(long waitingForOpId) {
 437         mWaitingForOpId = waitingForOpId;
 438     }
 439
 440     /**
 441      *  @return 'True' if the server doesn't need to check forbidden characters
 442      */
 443     public boolean isVersionWithForbiddenCharacters() {
 444         if (mFileActivity.getAccount() != null) {
 445             OwnCloudVersion serverVersion =
 446                     AccountUtils.getServerVersion(mFileActivity.getAccount());
 447             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 448         }
 449         return false;
 450     }
 451 }