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.ui.activity.FileActivity;
  44 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
  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             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 191             // set MimeType
 192             sendIntent.setType(file.getMimetype());
 193             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + file.getStoragePath()));
 194             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 195
 196             // Show dialog, without the own app
 197             String[] packagesToExclude = new String[] { mFileActivity.getPackageName() };
 198             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 199             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 200
 201         } else {
 202             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 203         }
 204     }
 205
 206
 207     public void syncFile(OCFile file) {
 208
 209         if (!file.isFolder()){
 210             Intent intent = new Intent(mFileActivity, OperationsService.class);
 211             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 212             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 213             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 214             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 215             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 216             mFileActivity.showLoadingDialog();
 217
 218         } else {
 219             Intent intent = new Intent(mFileActivity, OperationsService.class);
 220             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 221             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 222             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 223             mFileActivity.startService(intent);
 224         }
 225     }
 226
 227     public void renameFile(OCFile file, String newFilename) {
 228         // RenameFile
 229         Intent service = new Intent(mFileActivity, OperationsService.class);
 230         service.setAction(OperationsService.ACTION_RENAME);
 231         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 232         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 233         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 234         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 235
 236         mFileActivity.showLoadingDialog();
 237     }
 238
 239
 240     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 241         // RemoveFile
 242         Intent service = new Intent(mFileActivity, OperationsService.class);
 243         service.setAction(OperationsService.ACTION_REMOVE);
 244         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 245         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 246         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 247         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 248
 249         mFileActivity.showLoadingDialog();
 250     }
 251
 252
 253     public void createFolder(String remotePath, boolean createFullPath) {
 254         // Create Folder
 255         Intent service = new Intent(mFileActivity, OperationsService.class);
 256         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 257         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 258         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 259         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 260         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 261
 262         mFileActivity.showLoadingDialog();
 263     }
 264
 265     /**
 266      * Cancel the transference in downloads (files/folders) and file uploads
 267      * @param file OCFile
 268      */
 269     public void cancelTransference(OCFile file) {
 270         Account account = mFileActivity.getAccount();
 271         if (file.isFolder()) {
 272             OperationsService.OperationsServiceBinder opsBinder = mFileActivity.getOperationsServiceBinder();
 273             if (opsBinder != null) {
 274                 opsBinder.cancel(account, file);
 275             }
 276         }
 277
 278         // for both files and folders
 279         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 280         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 281         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 282             downloaderBinder.cancel(account, file);
 283
 284             // TODO - review why is this here, and solve in a better way
 285             // Remove etag for parent, if file is a keep_in_sync
 286             if (file.keepInSync()) {
 287                 OCFile parent = mFileActivity.getStorageManager().getFileById(file.getParentId());
 288                 parent.setEtag("");
 289                 mFileActivity.getStorageManager().saveFile(parent);
 290             }
 291
 292         } else if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 293             uploaderBinder.cancel(account, file);
 294         }
 295     }
 296
 297     /**
 298      * Start move file operation
 299      * @param newfile           File where it is going to be moved
 300      * @param currentFile       File with the previous info
 301      */
 302     public void moveFile(OCFile newfile, OCFile currentFile) {
 303         // Move files
 304         Intent service = new Intent(mFileActivity, OperationsService.class);
 305         service.setAction(OperationsService.ACTION_MOVE_FILE);
 306         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 307         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 308         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 309         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 310
 311         mFileActivity.showLoadingDialog();
 312     }
 313
 314
 315     public long getOpIdWaitingFor() {
 316         return mWaitingForOpId;
 317     }
 318
 319
 320     public void setOpIdWaitingFor(long waitingForOpId) {
 321         mWaitingForOpId = waitingForOpId;
 322     }
 323
 324     /**
 325      *  @return 'True' if the server doesn't need to check forbidden characters
 326      */
 327     public boolean isVersionWithForbiddenCharacters() {
 328         if (mFileActivity.getAccount() != null) {
 329             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 330             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 331         }
 332         return false;
 333     }
 334 }