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.Context;
  27 import android.content.Intent;
  28 import android.content.pm.PackageManager;
  29 import android.content.pm.ResolveInfo;
  30 import android.net.Uri;
  31 import android.support.v4.app.DialogFragment;
  32 import android.webkit.MimeTypeMap;
  33 import android.widget.Toast;
  34
  35 import com.owncloud.android.R;
  36 import com.owncloud.android.authentication.AccountUtils;
  37 import com.owncloud.android.datamodel.OCFile;
  38 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  39 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  40 import com.owncloud.android.lib.common.network.WebdavUtils;
  41 import com.owncloud.android.lib.common.utils.Log_OC;
  42 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  43 import com.owncloud.android.services.OperationsService;
  44 import com.owncloud.android.services.observer.FileObserverService;
  45 import com.owncloud.android.ui.activity.FileActivity;
  46 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
  47
  48 import org.apache.http.protocol.HTTP;
  49
  50 import java.util.List;
  51
  52 /**
  53  *
  54  */
  55 public class FileOperationsHelper {
  56
  57     private static final String TAG = FileOperationsHelper.class.getName();
  58
  59     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  60
  61     protected FileActivity mFileActivity = null;
  62
  63     /// Identifier of operation in progress which result shouldn't be lost
  64     private long mWaitingForOpId = Long.MAX_VALUE;
  65
  66     public FileOperationsHelper(FileActivity fileActivity) {
  67         mFileActivity = fileActivity;
  68     }
  69
  70
  71     public void openFile(OCFile file) {
  72         if (file != null) {
  73             String storagePath = file.getStoragePath();
  74             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  75
  76             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  77             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
  78             intentForSavedMimeType.setFlags(
  79                     Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  80             );
  81
  82             Intent intentForGuessedMimeType = null;
  83             if (storagePath.lastIndexOf('.') >= 0) {
  84                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
  85                         storagePath.substring(storagePath.lastIndexOf('.') + 1)
  86                 );
  87                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  88                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  89                     intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
  90                     intentForGuessedMimeType.setFlags(
  91                             Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  92                     );
  93                 }
  94             }
  95
  96             Intent openFileWithIntent;
  97             if (intentForGuessedMimeType != null) {
  98                 openFileWithIntent = intentForGuessedMimeType;
  99             } else {
 100                 openFileWithIntent = intentForSavedMimeType;
 101             }
 102
 103             List<ResolveInfo> launchables = mFileActivity.getPackageManager().
 104                     queryIntentActivities(openFileWithIntent, PackageManager.GET_INTENT_FILTERS);
 105
 106             if(launchables != null && launchables.size() > 0) {
 107                 try {
 108                     mFileActivity.startActivity(
 109                             Intent.createChooser(
 110                                     openFileWithIntent, mFileActivity.getString(R.string.actionbar_open_with)
 111                             )
 112                     );
 113                 } catch (ActivityNotFoundException anfe) {
 114                     showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 115                 }
 116             } else {
 117                 showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 118             }
 119
 120         } else {
 121             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 122         }
 123     }
 124
 125     /**
 126      * Displays a toast stating that no application could be found to open the file.
 127      *
 128      * @param context the context to be able to show a toast.
 129      */
 130     private void showNoAppForFileTypeToast(Context context) {
 131         Toast.makeText(context,
 132                 R.string.file_list_no_app_for_file_type, Toast.LENGTH_SHORT)
 133                 .show();
 134     }
 135
 136     public void shareFileWithLink(OCFile file) {
 137
 138         if (isSharedSupported()) {
 139             if (file != null) {
 140                 String link = "https://fake.url";
 141                 Intent intent = createShareWithLinkIntent(link);
 142                 String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 143                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent, packagesToExclude, file);
 144                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 145
 146             } else {
 147                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 148             }
 149
 150         } else {
 151             // Show a Message
 152             Toast t = Toast.makeText(
 153                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG
 154             );
 155             t.show();
 156         }
 157     }
 158
 159
 160     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 161
 162         if (file != null) {
 163             mFileActivity.showLoadingDialog();
 164
 165             Intent service = new Intent(mFileActivity, OperationsService.class);
 166             service.setAction(OperationsService.ACTION_CREATE_SHARE);
 167             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 168             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 169             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 170             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 171             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 172
 173         } else {
 174             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 175         }
 176     }
 177
 178
 179     private Intent createShareWithLinkIntent(String link) {
 180         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 181         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 182         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 183         return intentToShareLink;
 184     }
 185
 186
 187     /**
 188      * @return 'True' if the server supports the Share API
 189      */
 190     public boolean isSharedSupported() {
 191         if (mFileActivity.getAccount() != null) {
 192             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 193             return (serverVersion != null && serverVersion.isSharedSupported());
 194         }
 195         return false;
 196     }
 197
 198
 199     public void unshareFileWithLink(OCFile file) {
 200
 201         if (isSharedSupported()) {
 202             // Unshare the file
 203             Intent service = new Intent(mFileActivity, OperationsService.class);
 204             service.setAction(OperationsService.ACTION_UNSHARE);
 205             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 206             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 207             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 208
 209             mFileActivity.showLoadingDialog();
 210
 211         } else {
 212             // Show a Message
 213             Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 214             t.show();
 215
 216         }
 217     }
 218
 219     public void sendDownloadedFile(OCFile file) {
 220         if (file != null) {
 221             String storagePath = file.getStoragePath();
 222             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 223             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 224             // set MimeType
 225             sendIntent.setType(file.getMimetype());
 226             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 227             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 228
 229             // Show dialog, without the own app
 230             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 231             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 232             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 233
 234         } else {
 235             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 236         }
 237     }
 238
 239
 240     public void syncFile(OCFile file) {
 241
 242         if (!file.isFolder()){
 243             Intent intent = new Intent(mFileActivity, OperationsService.class);
 244             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 245             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 246             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 247             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 248             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 249             mFileActivity.showLoadingDialog();
 250
 251         } else {
 252             Intent intent = new Intent(mFileActivity, OperationsService.class);
 253             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 254             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 255             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 256             mFileActivity.startService(intent);
 257         }
 258     }
 259
 260     public void toggleFavorite(OCFile file, boolean isFavorite) {
 261         file.setFavorite(isFavorite);
 262         mFileActivity.getStorageManager().saveFile(file);
 263
 264         /// register the OCFile instance in the observer service to monitor local updates
 265         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 266                 mFileActivity,
 267                 file,
 268                 mFileActivity.getAccount(),
 269                 isFavorite);
 270         mFileActivity.startService(observedFileIntent);
 271
 272         /// immediate content synchronization
 273         if (file.isFavorite()) {
 274             syncFile(file);
 275         }
 276     }
 277
 278     public void renameFile(OCFile file, String newFilename) {
 279         // RenameFile
 280         Intent service = new Intent(mFileActivity, OperationsService.class);
 281         service.setAction(OperationsService.ACTION_RENAME);
 282         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 283         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 284         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 285         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 286
 287         mFileActivity.showLoadingDialog();
 288     }
 289
 290
 291     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 292         // RemoveFile
 293         Intent service = new Intent(mFileActivity, OperationsService.class);
 294         service.setAction(OperationsService.ACTION_REMOVE);
 295         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 296         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 297         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 298         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 299
 300         mFileActivity.showLoadingDialog();
 301     }
 302
 303
 304     public void createFolder(String remotePath, boolean createFullPath) {
 305         // Create Folder
 306         Intent service = new Intent(mFileActivity, OperationsService.class);
 307         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 308         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 309         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 310         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 311         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 312
 313         mFileActivity.showLoadingDialog();
 314     }
 315
 316     /**
 317      * Cancel the transference in downloads (files/folders) and file uploads
 318      * @param file OCFile
 319      */
 320     public void cancelTransference(OCFile file) {
 321         Account account = mFileActivity.getAccount();
 322         if (file.isFolder()) {
 323             OperationsService.OperationsServiceBinder opsBinder = mFileActivity.getOperationsServiceBinder();
 324             if (opsBinder != null) {
 325                 opsBinder.cancel(account, file);
 326             }
 327         }
 328
 329         // for both files and folders
 330         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 331         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 332         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 333             downloaderBinder.cancel(account, file);
 334
 335             // TODO - review why is this here, and solve in a better way
 336             // Remove etag for parent, if file is a favorite
 337             if (file.isFavorite()) {
 338                 OCFile parent = mFileActivity.getStorageManager().getFileById(file.getParentId());
 339                 parent.setEtag("");
 340                 mFileActivity.getStorageManager().saveFile(parent);
 341             }
 342
 343         } else if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 344             uploaderBinder.cancel(account, file);
 345         }
 346     }
 347
 348     /**
 349      * Start move 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 moveFile(OCFile newfile, OCFile currentFile) {
 355         // Move files
 356         Intent service = new Intent(mFileActivity, OperationsService.class);
 357         service.setAction(OperationsService.ACTION_MOVE_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     /**
 367      * Start copy file operation
 368      *
 369      * @param newfile     File where it is going to be moved
 370      * @param currentFile File with the previous info
 371      */
 372     public void copyFile(OCFile newfile, OCFile currentFile) {
 373         // Copy files
 374         Intent service = new Intent(mFileActivity, OperationsService.class);
 375         service.setAction(OperationsService.ACTION_COPY_FILE);
 376         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 377         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 378         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 379         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 380
 381         mFileActivity.showLoadingDialog();
 382     }
 383
 384     public long getOpIdWaitingFor() {
 385         return mWaitingForOpId;
 386     }
 387
 388
 389     public void setOpIdWaitingFor(long waitingForOpId) {
 390         mWaitingForOpId = waitingForOpId;
 391     }
 392
 393     /**
 394      *  @return 'True' if the server doesn't need to check forbidden characters
 395      */
 396     public boolean isVersionWithForbiddenCharacters() {
 397         if (mFileActivity.getAccount() != null) {
 398             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 399             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 400         }
 401         return false;
 402     }
 403 }