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.Intent;
  26 import android.net.Uri;
  27 import android.support.v4.app.DialogFragment;
  28 import android.webkit.MimeTypeMap;
  29 import android.widget.Toast;
  30
  31 import com.owncloud.android.R;
  32 import com.owncloud.android.authentication.AccountUtils;
  33 import com.owncloud.android.datamodel.OCFile;
  34 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  35 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  36 import com.owncloud.android.lib.common.network.WebdavUtils;
  37 import com.owncloud.android.lib.common.utils.Log_OC;
  38 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  39 import com.owncloud.android.services.OperationsService;
  40 import com.owncloud.android.services.observer.FileObserverService;
  41 import com.owncloud.android.ui.activity.FileActivity;
  42 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
  43
  44 import org.apache.http.protocol.HTTP;
  45
  46 /**
  47  *
  48  */
  49 public class FileOperationsHelper {
  50
  51     private static final String TAG = FileOperationsHelper.class.getName();
  52
  53     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  54
  55     protected FileActivity mFileActivity = null;
  56
  57     /// Identifier of operation in progress which result shouldn't be lost
  58     private long mWaitingForOpId = Long.MAX_VALUE;
  59
  60     public FileOperationsHelper(FileActivity fileActivity) {
  61         mFileActivity = fileActivity;
  62     }
  63
  64
  65     public void openFile(OCFile file) {
  66         if (file != null) {
  67             String storagePath = file.getStoragePath();
  68             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  69
  70             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  71             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
  72             intentForSavedMimeType.setFlags(
  73                     Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  74             );
  75
  76             Intent intentForGuessedMimeType = null;
  77             if (storagePath.lastIndexOf('.') >= 0) {
  78                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
  79                         storagePath.substring(storagePath.lastIndexOf('.') + 1)
  80                 );
  81                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  82                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  83                     intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
  84                     intentForGuessedMimeType.setFlags(
  85                             Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  86                     );
  87                 }
  88             }
  89
  90             Intent chooserIntent;
  91             if (intentForGuessedMimeType != null) {
  92                 chooserIntent = Intent.createChooser(intentForGuessedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
  93             } else {
  94                 chooserIntent = Intent.createChooser(intentForSavedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
  95             }
  96
  97             mFileActivity.startActivity(chooserIntent);
  98
  99         } else {
 100             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 101         }
 102     }
 103
 104
 105     public void shareFileWithLink(OCFile file) {
 106
 107         if (isSharedSupported()) {
 108             if (file != null) {
 109                 String link = "https://fake.url";
 110                 Intent intent = createShareWithLinkIntent(link);
 111                 String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 112                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent, packagesToExclude, file);
 113                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 114
 115             } else {
 116                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 117             }
 118
 119         } else {
 120             // Show a Message
 121             Toast t = Toast.makeText(
 122                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG
 123             );
 124             t.show();
 125         }
 126     }
 127
 128
 129     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 130
 131         if (file != null) {
 132             mFileActivity.showLoadingDialog();
 133
 134             Intent service = new Intent(mFileActivity, OperationsService.class);
 135             service.setAction(OperationsService.ACTION_CREATE_SHARE);
 136             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 137             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 138             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 139             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 140             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 141
 142         } else {
 143             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 144         }
 145     }
 146
 147
 148     private Intent createShareWithLinkIntent(String link) {
 149         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 150         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 151         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 152         return intentToShareLink;
 153     }
 154
 155
 156     /**
 157      * @return 'True' if the server supports the Share API
 158      */
 159     public boolean isSharedSupported() {
 160         if (mFileActivity.getAccount() != null) {
 161             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 162             return (serverVersion != null && serverVersion.isSharedSupported());
 163         }
 164         return false;
 165     }
 166
 167
 168     public void unshareFileWithLink(OCFile file) {
 169
 170         if (isSharedSupported()) {
 171             // Unshare the file
 172             Intent service = new Intent(mFileActivity, OperationsService.class);
 173             service.setAction(OperationsService.ACTION_UNSHARE);
 174             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 175             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 176             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 177
 178             mFileActivity.showLoadingDialog();
 179
 180         } else {
 181             // Show a Message
 182             Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 183             t.show();
 184
 185         }
 186     }
 187
 188     public void sendDownloadedFile(OCFile file) {
 189         if (file != null) {
 190             String storagePath = file.getStoragePath();
 191             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 192             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 193             // set MimeType
 194             sendIntent.setType(file.getMimetype());
 195             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 196             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 197
 198             // Show dialog, without the own app
 199             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 200             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 201             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 202
 203         } else {
 204             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 205         }
 206     }
 207
 208     /**
 209      * Request the synchronization of a file or folder with the OC server, including its contents.
 210      *
 211      * @param file          The file or folder to synchronize
 212      */
 213     public void syncFile(OCFile file) {
 214         if (!file.isFolder()){
 215             Intent intent = new Intent(mFileActivity, OperationsService.class);
 216             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 217             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 218             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 219             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 220             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 221             mFileActivity.showLoadingDialog();
 222
 223         } else {
 224             Intent intent = new Intent(mFileActivity, OperationsService.class);
 225             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 226             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 227             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 228             mFileActivity.startService(intent);
 229
 230         }
 231     }
 232
 233
 234     /**
 235      * Request the synchronization of a file or the DOWNLOAD OF A FOLDER, including its contents.
 236      *
 237      * For files, it's the same as syncFile(OCFile file); for folders, this method does not trigger uploads for
 238      * file locally modified.
 239      *
 240      * Kept 'til synchronization of full folders is considered good enough.
 241      *
 242      * @param file          The file or folder to synchronize
 243      */
 244     public void downloadFile(OCFile file) {
 245         if (!file.isFolder()){
 246             syncFile(file);
 247
 248         } else {
 249             Intent intent = new Intent(mFileActivity, OperationsService.class);
 250             intent.setAction(OperationsService.ACTION_DOWNLOAD_FOLDER);
 251             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 252             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 253             mFileActivity.startService(intent);
 254         }
 255     }
 256
 257     public void toggleFavorite(OCFile file, boolean isFavorite) {
 258         file.setFavorite(isFavorite);
 259         mFileActivity.getStorageManager().saveFile(file);
 260
 261         /// register the OCFile instance in the observer service to monitor local updates
 262         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 263                 mFileActivity,
 264                 file,
 265                 mFileActivity.getAccount(),
 266                 isFavorite);
 267         mFileActivity.startService(observedFileIntent);
 268
 269         /// immediate content synchronization
 270         if (file.isFavorite()) {
 271             syncFile(file);
 272         }
 273     }
 274
 275     public void renameFile(OCFile file, String newFilename) {
 276         // RenameFile
 277         Intent service = new Intent(mFileActivity, OperationsService.class);
 278         service.setAction(OperationsService.ACTION_RENAME);
 279         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 280         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 281         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 282         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 283
 284         mFileActivity.showLoadingDialog();
 285     }
 286
 287
 288     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 289         // RemoveFile
 290         Intent service = new Intent(mFileActivity, OperationsService.class);
 291         service.setAction(OperationsService.ACTION_REMOVE);
 292         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 293         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 294         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 295         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 296
 297         mFileActivity.showLoadingDialog();
 298     }
 299
 300
 301     public void createFolder(String remotePath, boolean createFullPath) {
 302         // Create Folder
 303         Intent service = new Intent(mFileActivity, OperationsService.class);
 304         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 305         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 306         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 307         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 308         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 309
 310         mFileActivity.showLoadingDialog();
 311     }
 312
 313     /**
 314      * Cancel the transference in downloads (files/folders) and file uploads
 315      * @param file OCFile
 316      */
 317     public void cancelTransference(OCFile file) {
 318         Account account = mFileActivity.getAccount();
 319         if (file.isFolder()) {
 320             OperationsService.OperationsServiceBinder opsBinder = mFileActivity.getOperationsServiceBinder();
 321             if (opsBinder != null) {
 322                 opsBinder.cancel(account, file);
 323             }
 324         }
 325
 326         // for both files and folders
 327         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 328         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 329             downloaderBinder.cancel(account, file);
 330
 331             // TODO - review why is this here, and solve in a better way
 332             // Remove etag for parent, if file is a favorite
 333             if (file.isFavorite()) {
 334                 OCFile parent = mFileActivity.getStorageManager().getFileById(file.getParentId());
 335                 parent.setEtag("");
 336                 mFileActivity.getStorageManager().saveFile(parent);
 337             }
 338
 339         }
 340         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 341         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 342             uploaderBinder.cancel(account, file);
 343         }
 344     }
 345
 346     /**
 347      * Start move file operation
 348      *
 349      * @param newfile     File where it is going to be moved
 350      * @param currentFile File with the previous info
 351      */
 352     public void moveFile(OCFile newfile, OCFile currentFile) {
 353         // Move files
 354         Intent service = new Intent(mFileActivity, OperationsService.class);
 355         service.setAction(OperationsService.ACTION_MOVE_FILE);
 356         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 357         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 358         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 359         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 360
 361         mFileActivity.showLoadingDialog();
 362     }
 363
 364     /**
 365      * Start copy file operation
 366      *
 367      * @param newfile     File where it is going to be moved
 368      * @param currentFile File with the previous info
 369      */
 370     public void copyFile(OCFile newfile, OCFile currentFile) {
 371         // Copy files
 372         Intent service = new Intent(mFileActivity, OperationsService.class);
 373         service.setAction(OperationsService.ACTION_COPY_FILE);
 374         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 375         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 376         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 377         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 378
 379         mFileActivity.showLoadingDialog();
 380     }
 381
 382     public long getOpIdWaitingFor() {
 383         return mWaitingForOpId;
 384     }
 385
 386
 387     public void setOpIdWaitingFor(long waitingForOpId) {
 388         mWaitingForOpId = waitingForOpId;
 389     }
 390
 391     /**
 392      *  @return 'True' if the server doesn't need to check forbidden characters
 393      */
 394     public boolean isVersionWithForbiddenCharacters() {
 395         if (mFileActivity.getAccount() != null) {
 396             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 397             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 398         }
 399         return false;
 400     }
 401 }