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 org.apache.http.protocol.HTTP;
  25
  26 import android.accounts.Account;
  27 import android.content.Intent;
  28 import android.net.Uri;
  29 import android.support.v4.app.DialogFragment;
  30 import android.webkit.MimeTypeMap;
  31 import android.widget.Toast;
  32
  33 import com.owncloud.android.R;
  34 import com.owncloud.android.authentication.AccountUtils;
  35 import com.owncloud.android.datamodel.OCFile;
  36 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  37 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  38
  39 import com.owncloud.android.lib.common.network.WebdavUtils;
  40 import com.owncloud.android.lib.common.utils.Log_OC;
  41 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  42 import com.owncloud.android.services.OperationsService;
  43 import com.owncloud.android.services.observer.FileObserverService;
  44 import com.owncloud.android.ui.activity.FileActivity;
  45 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
  46
  47 /**
  48  *
  49  */
  50 public class FileOperationsHelper {
  51
  52     private static final String TAG = FileOperationsHelper.class.getName();
  53
  54     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  55
  56     protected FileActivity mFileActivity = null;
  57
  58     /// Identifier of operation in progress which result shouldn't be lost
  59     private long mWaitingForOpId = Long.MAX_VALUE;
  60
  61     public FileOperationsHelper(FileActivity fileActivity) {
  62         mFileActivity = fileActivity;
  63     }
  64
  65
  66     public void openFile(OCFile file) {
  67         if (file != null) {
  68             String storagePath = file.getStoragePath();
  69             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  70
  71             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  72             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
  73             intentForSavedMimeType.setFlags(
  74                     Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  75             );
  76
  77             Intent intentForGuessedMimeType = null;
  78             if (storagePath.lastIndexOf('.') >= 0) {
  79                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
  80                         storagePath.substring(storagePath.lastIndexOf('.') + 1)
  81                 );
  82                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  83                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  84                     intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
  85                     intentForGuessedMimeType.setFlags(
  86                             Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  87                     );
  88                 }
  89             }
  90
  91             Intent chooserIntent;
  92             if (intentForGuessedMimeType != null) {
  93                 chooserIntent = Intent.createChooser(intentForGuessedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
  94             } else {
  95                 chooserIntent = Intent.createChooser(intentForSavedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
  96             }
  97
  98             mFileActivity.startActivity(chooserIntent);
  99
 100         } else {
 101             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 102         }
 103     }
 104
 105
 106     public void shareFileWithLink(OCFile file) {
 107
 108         if (isSharedSupported()) {
 109             if (file != null) {
 110                 String link = "https://fake.url";
 111                 Intent intent = createShareWithLinkIntent(link);
 112                 String[] packagesToExclude = new String[] { mFileActivity.getPackageName() };
 113                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent, packagesToExclude, file);
 114                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 115
 116             } else {
 117                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 118             }
 119
 120         } else {
 121             // Show a Message
 122             Toast t = Toast.makeText(
 123                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG
 124             );
 125             t.show();
 126         }
 127     }
 128
 129
 130     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 131
 132         if (file != null) {
 133             mFileActivity.showLoadingDialog();
 134
 135             Intent service = new Intent(mFileActivity, OperationsService.class);
 136             service.setAction(OperationsService.ACTION_CREATE_SHARE);
 137             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 138             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 139             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 140             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 141             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 142
 143         } else {
 144             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 145         }
 146     }
 147
 148
 149     private Intent createShareWithLinkIntent(String link) {
 150         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 151         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 152         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 153         return intentToShareLink;
 154     }
 155
 156
 157     /**
 158      *  @return 'True' if the server supports the Share API
 159      */
 160     public boolean isSharedSupported() {
 161         if (mFileActivity.getAccount() != null) {
 162             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 163             return (serverVersion != null && serverVersion.isSharedSupported());
 164         }
 165         return false;
 166     }
 167
 168
 169     public void unshareFileWithLink(OCFile file) {
 170
 171         if (isSharedSupported()) {
 172             // Unshare the file
 173             Intent service = new Intent(mFileActivity, OperationsService.class);
 174             service.setAction(OperationsService.ACTION_UNSHARE);
 175             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 176             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 177             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 178
 179             mFileActivity.showLoadingDialog();
 180
 181         } else {
 182             // Show a Message
 183             Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 184             t.show();
 185
 186         }
 187     }
 188
 189     public void sendDownloadedFile(OCFile file) {
 190         if (file != null) {
 191             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 192             // set MimeType
 193             sendIntent.setType(file.getMimetype());
 194             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + file.getStoragePath()));
 195             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 196
 197             // Show dialog, without the own app
 198             String[] packagesToExclude = new String[] { mFileActivity.getPackageName() };
 199             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 200             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 201
 202         } else {
 203             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 204         }
 205     }
 206
 207
 208     public void syncFile(OCFile file) {
 209
 210         if (!file.isFolder()){
 211             Intent intent = new Intent(mFileActivity, OperationsService.class);
 212             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 213             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 214             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 215             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 216             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 217             mFileActivity.showLoadingDialog();
 218
 219         } else {
 220             Intent intent = new Intent(mFileActivity, OperationsService.class);
 221             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 222             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 223             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 224             mFileActivity.startService(intent);
 225         }
 226     }
 227
 228     public void toggleKeepInSync(OCFile file, boolean isFavorite) {
 229         file.setKeepInSync(isFavorite);
 230         mFileActivity.getStorageManager().saveFile(file);
 231
 232         /// register the OCFile instance in the observer service to monitor local updates
 233         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 234                 mFileActivity,
 235                 file,
 236                 mFileActivity.getAccount(),
 237                 isFavorite);
 238         mFileActivity.startService(observedFileIntent);
 239
 240         /// immediate content synchronization
 241         if (file.keepInSync()) {
 242             syncFile(file);
 243         }
 244     }
 245
 246     public void renameFile(OCFile file, String newFilename) {
 247         // RenameFile
 248         Intent service = new Intent(mFileActivity, OperationsService.class);
 249         service.setAction(OperationsService.ACTION_RENAME);
 250         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 251         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 252         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 253         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 254
 255         mFileActivity.showLoadingDialog();
 256     }
 257
 258
 259     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 260         // RemoveFile
 261         Intent service = new Intent(mFileActivity, OperationsService.class);
 262         service.setAction(OperationsService.ACTION_REMOVE);
 263         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 264         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 265         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 266         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 267
 268         mFileActivity.showLoadingDialog();
 269     }
 270
 271
 272     public void createFolder(String remotePath, boolean createFullPath) {
 273         // Create Folder
 274         Intent service = new Intent(mFileActivity, OperationsService.class);
 275         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 276         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 277         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 278         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 279         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 280
 281         mFileActivity.showLoadingDialog();
 282     }
 283
 284     /**
 285      * Cancel the transference in downloads (files/folders) and file uploads
 286      * @param file OCFile
 287      */
 288     public void cancelTransference(OCFile file) {
 289         Account account = mFileActivity.getAccount();
 290         if (file.isFolder()) {
 291             OperationsService.OperationsServiceBinder opsBinder = mFileActivity.getOperationsServiceBinder();
 292             if (opsBinder != null) {
 293                 opsBinder.cancel(account, file);
 294             }
 295         }
 296
 297         // for both files and folders
 298         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 299         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 300         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 301             downloaderBinder.cancel(account, file);
 302
 303             // TODO - review why is this here, and solve in a better way
 304             // Remove etag for parent, if file is a keep_in_sync
 305             if (file.keepInSync()) {
 306                 OCFile parent = mFileActivity.getStorageManager().getFileById(file.getParentId());
 307                 parent.setEtag("");
 308                 mFileActivity.getStorageManager().saveFile(parent);
 309             }
 310
 311         } else if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 312             uploaderBinder.cancel(account, file);
 313         }
 314     }
 315
 316     /**
 317      * Start move file operation
 318      * @param newfile           File where it is going to be moved
 319      * @param currentFile       File with the previous info
 320      */
 321     public void moveFile(OCFile newfile, OCFile currentFile) {
 322         // Move files
 323         Intent service = new Intent(mFileActivity, OperationsService.class);
 324         service.setAction(OperationsService.ACTION_MOVE_FILE);
 325         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 326         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 327         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 328         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 329
 330         mFileActivity.showLoadingDialog();
 331     }
 332
 333
 334     public long getOpIdWaitingFor() {
 335         return mWaitingForOpId;
 336     }
 337
 338
 339     public void setOpIdWaitingFor(long waitingForOpId) {
 340         mWaitingForOpId = waitingForOpId;
 341     }
 342
 343     /**
 344      *  @return 'True' if the server doesn't need to check forbidden characters
 345      */
 346     public boolean isVersionWithForbiddenCharacters() {
 347         if (mFileActivity.getAccount() != null) {
 348             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 349             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 350         }
 351         return false;
 352     }
 353 }