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