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.status.OwnCloudVersion;
  43 import com.owncloud.android.services.OperationsService;
  44 import com.owncloud.android.services.observer.FileObserverService;
  45 import com.owncloud.android.ui.activity.FileActivity;
  46 import com.owncloud.android.ui.activity.ShareActivity;
  47 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
  48
  49 import org.apache.http.protocol.HTTP;
  50
  51 import java.util.List;
  52
  53 /**
  54  *
  55  */
  56 public class FileOperationsHelper {
  57
  58     private static final String TAG = FileOperationsHelper.class.getName();
  59
  60     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  61
  62     protected FileActivity mFileActivity = null;
  63
  64     /// Identifier of operation in progress which result shouldn't be lost
  65     private long mWaitingForOpId = Long.MAX_VALUE;
  66
  67     public FileOperationsHelper(FileActivity fileActivity) {
  68         mFileActivity = fileActivity;
  69     }
  70
  71
  72     public void openFile(OCFile file) {
  73         if (file != null) {
  74             String storagePath = file.getStoragePath();
  75             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  76
  77             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  78             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath),
  79                     file.getMimetype());
  80             intentForSavedMimeType.setFlags(
  81                     Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  82             );
  83
  84             Intent intentForGuessedMimeType = null;
  85             if (storagePath.lastIndexOf('.') >= 0) {
  86                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
  87                         storagePath.substring(storagePath.lastIndexOf('.') + 1)
  88                 );
  89                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  90                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  91                     intentForGuessedMimeType.
  92                             setDataAndType(Uri.parse("file://"+ encodedStoragePath),
  93                                     guessedMimeType);
  94                     intentForGuessedMimeType.setFlags(
  95                             Intent.FLAG_GRANT_READ_URI_PERMISSION |
  96                                     Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  97                     );
  98                 }
  99             }
 100
 101             Intent openFileWithIntent;
 102             if (intentForGuessedMimeType != null) {
 103                 openFileWithIntent = intentForGuessedMimeType;
 104             } else {
 105                 openFileWithIntent = intentForSavedMimeType;
 106             }
 107
 108             List<ResolveInfo> launchables = mFileActivity.getPackageManager().
 109                     queryIntentActivities(openFileWithIntent, PackageManager.GET_INTENT_FILTERS);
 110
 111             if(launchables != null && launchables.size() > 0) {
 112                 try {
 113                     mFileActivity.startActivity(
 114                             Intent.createChooser(
 115                                     openFileWithIntent, mFileActivity.getString(R.string.actionbar_open_with)
 116                             )
 117                     );
 118                 } catch (ActivityNotFoundException anfe) {
 119                     showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 120                 }
 121             } else {
 122                 showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 123             }
 124
 125         } else {
 126             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 127         }
 128     }
 129
 130     /**
 131      * Displays a toast stating that no application could be found to open the file.
 132      *
 133      * @param context the context to be able to show a toast.
 134      */
 135     private void showNoAppForFileTypeToast(Context context) {
 136         Toast.makeText(context,
 137                 R.string.file_list_no_app_for_file_type, Toast.LENGTH_SHORT)
 138                 .show();
 139     }
 140
 141     public void shareFileWithLink(OCFile file) {
 142
 143         if (isSharedSupported()) {
 144             if (file != null) {
 145                 String link = "https://fake.url";
 146                 Intent intent = createShareWithLinkIntent(link);
 147                 String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 148                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent,
 149                         packagesToExclude, file);
 150                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 151
 152             } else {
 153                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 154             }
 155
 156         } else {
 157             // Show a Message
 158             Toast t = Toast.makeText(
 159                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api),
 160                     Toast.LENGTH_LONG
 161             );
 162             t.show();
 163         }
 164     }
 165
 166
 167     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 168
 169         if (file != null) {
 170             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 171                     getString(R.string.wait_a_moment));
 172
 173             Intent service = new Intent(mFileActivity, OperationsService.class);
 174             service.setAction(OperationsService.ACTION_CREATE_SHARE);
 175             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 176             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 177             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 178             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 179             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 180
 181         } else {
 182             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 183         }
 184     }
 185
 186
 187     private Intent createShareWithLinkIntent(String link) {
 188         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 189         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 190         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 191         return intentToShareLink;
 192     }
 193
 194
 195     /**
 196      * @return 'True' if the server supports the Share API
 197      */
 198     public boolean isSharedSupported() {
 199         if (mFileActivity.getAccount() != null) {
 200             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 201             return (serverVersion != null && serverVersion.isSharedSupported());
 202         }
 203         return false;
 204     }
 205
 206
 207     public void unshareFileWithLink(OCFile file) {
 208
 209         if (isSharedSupported()) {
 210             // Unshare the file
 211             Intent service = new Intent(mFileActivity, OperationsService.class);
 212             service.setAction(OperationsService.ACTION_UNSHARE);
 213             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 214             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 215             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 216
 217             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 218                     getString(R.string.wait_a_moment));
 219
 220         } else {
 221             // Show a Message
 222             Toast t = Toast.makeText(mFileActivity,
 223                     mFileActivity.getString(R.string.share_link_no_support_share_api),
 224                     Toast.LENGTH_LONG);
 225             t.show();
 226
 227         }
 228     }
 229
 230     public void showShareFile(OCFile file){
 231         Intent intent = new Intent(mFileActivity, ShareActivity.class);
 232         intent.putExtra(mFileActivity.EXTRA_FILE, file);
 233         intent.putExtra(mFileActivity.EXTRA_ACCOUNT, mFileActivity.getAccount());
 234         mFileActivity.startActivity(intent);
 235
 236     }
 237
 238     public void sendDownloadedFile(OCFile file) {
 239         if (file != null) {
 240             String storagePath = file.getStoragePath();
 241             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 242             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 243             // set MimeType
 244             sendIntent.setType(file.getMimetype());
 245             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 246             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 247
 248             // Show dialog, without the own app
 249             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 250             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent,
 251                     packagesToExclude, file);
 252             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 253
 254         } else {
 255             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 256         }
 257     }
 258
 259     /**
 260      * Request the synchronization of a file or folder with the OC server, including its contents.
 261      *
 262      * @param file          The file or folder to synchronize
 263      */
 264     public void syncFile(OCFile file) {
 265         if (!file.isFolder()){
 266             Intent intent = new Intent(mFileActivity, OperationsService.class);
 267             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 268             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 269             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 270             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 271             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 272             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 273                     getString(R.string.wait_a_moment));
 274
 275         } else {
 276             Intent intent = new Intent(mFileActivity, OperationsService.class);
 277             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 278             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 279             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 280             mFileActivity.startService(intent);
 281
 282         }
 283     }
 284
 285     public void toggleFavorite(OCFile file, boolean isFavorite) {
 286         file.setFavorite(isFavorite);
 287         mFileActivity.getStorageManager().saveFile(file);
 288
 289         /// register the OCFile instance in the observer service to monitor local updates
 290         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 291                 mFileActivity,
 292                 file,
 293                 mFileActivity.getAccount(),
 294                 isFavorite);
 295         mFileActivity.startService(observedFileIntent);
 296
 297         /// immediate content synchronization
 298         if (file.isFavorite()) {
 299             syncFile(file);
 300         }
 301     }
 302
 303     public void renameFile(OCFile file, String newFilename) {
 304         // RenameFile
 305         Intent service = new Intent(mFileActivity, OperationsService.class);
 306         service.setAction(OperationsService.ACTION_RENAME);
 307         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 308         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 309         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 310         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 311
 312         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 313                 getString(R.string.wait_a_moment));
 314     }
 315
 316
 317     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 318         // RemoveFile
 319         Intent service = new Intent(mFileActivity, OperationsService.class);
 320         service.setAction(OperationsService.ACTION_REMOVE);
 321         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 322         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 323         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 324         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 325
 326         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 327                 getString(R.string.wait_a_moment));
 328     }
 329
 330
 331     public void createFolder(String remotePath, boolean createFullPath) {
 332         // Create Folder
 333         Intent service = new Intent(mFileActivity, OperationsService.class);
 334         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 335         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 336         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 337         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 338         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 339
 340         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 341                 getString(R.string.wait_a_moment));
 342     }
 343
 344     /**
 345      * Cancel the transference in downloads (files/folders) and file uploads
 346      * @param file OCFile
 347      */
 348     public void cancelTransference(OCFile file) {
 349         Account account = mFileActivity.getAccount();
 350         if (file.isFolder()) {
 351             OperationsService.OperationsServiceBinder opsBinder =
 352                     mFileActivity.getOperationsServiceBinder();
 353             if (opsBinder != null) {
 354                 opsBinder.cancel(account, file);
 355             }
 356         }
 357
 358         // for both files and folders
 359         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 360         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 361             downloaderBinder.cancel(account, file);
 362         }
 363         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 364         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 365             uploaderBinder.cancel(account, file);
 366         }
 367     }
 368
 369     /**
 370      * Start move file operation
 371      *
 372      * @param newfile     File where it is going to be moved
 373      * @param currentFile File with the previous info
 374      */
 375     public void moveFile(OCFile newfile, OCFile currentFile) {
 376         // Move files
 377         Intent service = new Intent(mFileActivity, OperationsService.class);
 378         service.setAction(OperationsService.ACTION_MOVE_FILE);
 379         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 380         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 381         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 382         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 383
 384         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 385                 getString(R.string.wait_a_moment));
 386     }
 387
 388     /**
 389      * Start copy file operation
 390      *
 391      * @param newfile     File where it is going to be moved
 392      * @param currentFile File with the previous info
 393      */
 394     public void copyFile(OCFile newfile, OCFile currentFile) {
 395         // Copy files
 396         Intent service = new Intent(mFileActivity, OperationsService.class);
 397         service.setAction(OperationsService.ACTION_COPY_FILE);
 398         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 399         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 400         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 401         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 402
 403         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 404                 getString(R.string.wait_a_moment));
 405     }
 406
 407     public long getOpIdWaitingFor() {
 408         return mWaitingForOpId;
 409     }
 410
 411
 412     public void setOpIdWaitingFor(long waitingForOpId) {
 413         mWaitingForOpId = waitingForOpId;
 414     }
 415
 416     /**
 417      *  @return 'True' if the server doesn't need to check forbidden characters
 418      */
 419     public boolean isVersionWithForbiddenCharacters() {
 420         if (mFileActivity.getAccount() != null) {
 421             OwnCloudVersion serverVersion =
 422                     AccountUtils.getServerVersion(mFileActivity.getAccount());
 423             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 424         }
 425         return false;
 426     }
 427 }