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      * @param twoWays       TMP parameter: when 'false', only download is tried; valid for folders only, single files
 213      *                      are always synchronized in both ways.
 214      */
 215     public void syncFile(OCFile file, boolean twoWays) {
 216
 217         if (!file.isFolder()){
 218             Intent intent = new Intent(mFileActivity, OperationsService.class);
 219             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 220             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 221             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 222             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 223             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 224             mFileActivity.showLoadingDialog();
 225
 226         } else if (twoWays){
 227             Intent intent = new Intent(mFileActivity, OperationsService.class);
 228             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 229             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 230             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 231             mFileActivity.startService(intent);
 232
 233         } else {
 234             Intent intent = new Intent(mFileActivity, OperationsService.class);
 235             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 236             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 237             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 238             mFileActivity.startService(intent);
 239
 240         }
 241     }
 242
 243     public void toggleFavorite(OCFile file, boolean isFavorite) {
 244         file.setFavorite(isFavorite);
 245         mFileActivity.getStorageManager().saveFile(file);
 246
 247         /// register the OCFile instance in the observer service to monitor local updates
 248         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 249                 mFileActivity,
 250                 file,
 251                 mFileActivity.getAccount(),
 252                 isFavorite);
 253         mFileActivity.startService(observedFileIntent);
 254
 255         /// immediate content synchronization
 256         if (file.isFavorite()) {
 257             syncFile(file, true);
 258         }
 259     }
 260
 261     public void renameFile(OCFile file, String newFilename) {
 262         // RenameFile
 263         Intent service = new Intent(mFileActivity, OperationsService.class);
 264         service.setAction(OperationsService.ACTION_RENAME);
 265         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 266         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 267         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 268         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 269
 270         mFileActivity.showLoadingDialog();
 271     }
 272
 273
 274     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 275         // RemoveFile
 276         Intent service = new Intent(mFileActivity, OperationsService.class);
 277         service.setAction(OperationsService.ACTION_REMOVE);
 278         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 279         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 280         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 281         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 282
 283         mFileActivity.showLoadingDialog();
 284     }
 285
 286
 287     public void createFolder(String remotePath, boolean createFullPath) {
 288         // Create Folder
 289         Intent service = new Intent(mFileActivity, OperationsService.class);
 290         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 291         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 292         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 293         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 294         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 295
 296         mFileActivity.showLoadingDialog();
 297     }
 298
 299     /**
 300      * Cancel the transference in downloads (files/folders) and file uploads
 301      * @param file OCFile
 302      */
 303     public void cancelTransference(OCFile file) {
 304         Account account = mFileActivity.getAccount();
 305         if (file.isFolder()) {
 306             OperationsService.OperationsServiceBinder opsBinder = mFileActivity.getOperationsServiceBinder();
 307             if (opsBinder != null) {
 308                 opsBinder.cancel(account, file);
 309             }
 310         }
 311
 312         // for both files and folders
 313         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 314         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 315         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 316             downloaderBinder.cancel(account, file);
 317
 318             // TODO - review why is this here, and solve in a better way
 319             // Remove etag for parent, if file is a favorite
 320             if (file.isFavorite()) {
 321                 OCFile parent = mFileActivity.getStorageManager().getFileById(file.getParentId());
 322                 parent.setEtag("");
 323                 mFileActivity.getStorageManager().saveFile(parent);
 324             }
 325
 326         } else if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 327             uploaderBinder.cancel(account, file);
 328         }
 329     }
 330
 331     /**
 332      * Start move file operation
 333      *
 334      * @param newfile     File where it is going to be moved
 335      * @param currentFile File with the previous info
 336      */
 337     public void moveFile(OCFile newfile, OCFile currentFile) {
 338         // Move files
 339         Intent service = new Intent(mFileActivity, OperationsService.class);
 340         service.setAction(OperationsService.ACTION_MOVE_FILE);
 341         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 342         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 343         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 344         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 345
 346         mFileActivity.showLoadingDialog();
 347     }
 348
 349     /**
 350      * Start copy file operation
 351      *
 352      * @param newfile     File where it is going to be moved
 353      * @param currentFile File with the previous info
 354      */
 355     public void copyFile(OCFile newfile, OCFile currentFile) {
 356         // Copy files
 357         Intent service = new Intent(mFileActivity, OperationsService.class);
 358         service.setAction(OperationsService.ACTION_COPY_FILE);
 359         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 360         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 361         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 362         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 363
 364         mFileActivity.showLoadingDialog();
 365     }
 366
 367     public long getOpIdWaitingFor() {
 368         return mWaitingForOpId;
 369     }
 370
 371
 372     public void setOpIdWaitingFor(long waitingForOpId) {
 373         mWaitingForOpId = waitingForOpId;
 374     }
 375
 376     /**
 377      *  @return 'True' if the server doesn't need to check forbidden characters
 378      */
 379     public boolean isVersionWithForbiddenCharacters() {
 380         if (mFileActivity.getAccount() != null) {
 381             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 382             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 383         }
 384         return false;
 385     }
 386 }