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