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.io.File;
  51 import java.util.List;
  52
  53 /**
  54  *
  55  */
  56 public class FileOperationsHelper {
  57
  58     private static final String TAG = FileOperationsHelper.class.getName();
  59
  60     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  61
  62     protected FileActivity mFileActivity = null;
  63
  64     /// Identifier of operation in progress which result shouldn't be lost
  65     private long mWaitingForOpId = Long.MAX_VALUE;
  66
  67     public FileOperationsHelper(FileActivity fileActivity) {
  68         mFileActivity = fileActivity;
  69     }
  70
  71
  72     public void openFile(OCFile file) {
  73         if (file != null) {
  74             String storagePath = file.getStoragePath();
  75             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  76
  77             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  78             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
  79             intentForSavedMimeType.setFlags(
  80                     Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  81             );
  82
  83             Intent intentForGuessedMimeType = null;
  84             if (storagePath.lastIndexOf('.') >= 0) {
  85                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
  86                         storagePath.substring(storagePath.lastIndexOf('.') + 1)
  87                 );
  88                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  89                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  90                     intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
  91                     intentForGuessedMimeType.setFlags(
  92                             Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  93                     );
  94                 }
  95             }
  96
  97             Intent openFileWithIntent;
  98             if (intentForGuessedMimeType != null) {
  99                 openFileWithIntent = intentForGuessedMimeType;
 100             } else {
 101                 openFileWithIntent = intentForSavedMimeType;
 102             }
 103
 104             List<ResolveInfo> launchables = mFileActivity.getPackageManager().
 105                     queryIntentActivities(openFileWithIntent, PackageManager.GET_INTENT_FILTERS);
 106
 107             if(launchables != null && launchables.size() > 0) {
 108                 try {
 109                     mFileActivity.startActivity(
 110                             Intent.createChooser(
 111                                     openFileWithIntent, mFileActivity.getString(R.string.actionbar_open_with)
 112                             )
 113                     );
 114                 } catch (ActivityNotFoundException anfe) {
 115                     showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 116                 }
 117             } else {
 118                 showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 119             }
 120
 121         } else {
 122             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 123         }
 124     }
 125
 126     /**
 127      * Displays a toast stating that no application could be found to open the file.
 128      *
 129      * @param context the context to be able to show a toast.
 130      */
 131     private void showNoAppForFileTypeToast(Context context) {
 132         Toast.makeText(context,
 133                 R.string.file_list_no_app_for_file_type, Toast.LENGTH_SHORT)
 134                 .show();
 135     }
 136
 137     public void shareFileWithLink(OCFile file) {
 138
 139         if (isSharedSupported()) {
 140             if (file != null) {
 141                 String link = "https://fake.url";
 142                 Intent intent = createShareWithLinkIntent(link);
 143                 String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 144                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent, packagesToExclude, file);
 145                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 146
 147             } else {
 148                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 149             }
 150
 151         } else {
 152             // Show a Message
 153             Toast t = Toast.makeText(
 154                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG
 155             );
 156             t.show();
 157         }
 158     }
 159
 160
 161     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 162
 163         if (file != null) {
 164             mFileActivity.showLoadingDialog();
 165
 166             Intent service = new Intent(mFileActivity, OperationsService.class);
 167             service.setAction(OperationsService.ACTION_CREATE_SHARE);
 168             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 169             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 170             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 171             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 172             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 173
 174         } else {
 175             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 176         }
 177     }
 178
 179
 180     private Intent createShareWithLinkIntent(String link) {
 181         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 182         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 183         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 184         return intentToShareLink;
 185     }
 186
 187
 188     /**
 189      * @return 'True' if the server supports the Share API
 190      */
 191     public boolean isSharedSupported() {
 192         if (mFileActivity.getAccount() != null) {
 193             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 194             return (serverVersion != null && serverVersion.isSharedSupported());
 195         }
 196         return false;
 197     }
 198
 199
 200     public void unshareFileWithLink(OCFile file) {
 201
 202         if (isSharedSupported()) {
 203             // Unshare the file
 204             Intent service = new Intent(mFileActivity, OperationsService.class);
 205             service.setAction(OperationsService.ACTION_UNSHARE);
 206             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 207             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 208             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 209
 210             mFileActivity.showLoadingDialog();
 211
 212         } else {
 213             // Show a Message
 214             Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 215             t.show();
 216
 217         }
 218     }
 219
 220     public void sendDownloadedFile(OCFile file) {
 221         if (file != null) {
 222             String storagePath = file.getStoragePath();
 223             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 224             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 225             // set MimeType
 226             sendIntent.setType(file.getMimetype());
 227             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 228             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 229
 230             // Show dialog, without the own app
 231             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 232             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 233             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 234
 235         } else {
 236             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 237         }
 238     }
 239
 240     public void setPictureAs(OCFile file) {
 241         if (file != null){
 242             if (file.isDown()) {
 243                 File externalFile = new File(file.getStoragePath());
 244                 Uri sendUri = Uri.fromFile(externalFile);
 245                 Intent intent = new Intent(Intent.ACTION_ATTACH_DATA);
 246                 intent.setDataAndType(sendUri, file.getMimetype());
 247                 intent.putExtra("mimeType", file.getMimetype());
 248                 mFileActivity.startActivityForResult(Intent.createChooser(intent, "Set As"), 200);
 249             } else {
 250 //                 TODO re-enable after resized images is available
 251 //                Uri sendUri = Uri.parse("content://" + DiskLruImageCacheFileProvider.AUTHORITY + file.getRemotePath());
 252 //                Intent intent = new Intent(Intent.ACTION_ATTACH_DATA);
 253 //                intent.setDataAndType(sendUri, file.getMimetype());
 254 //                intent.putExtra("mimeType", file.getMimetype());
 255 //                mFileActivity.startActivityForResult(Intent.createChooser(intent, "Set As"), 200);
 256             }
 257         } else {
 258             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 259         }
 260     }
 261
 262     /**
 263      * Request the synchronization of a file or folder with the OC server, including its contents.
 264      *
 265      * @param file          The file or folder to synchronize
 266      */
 267     public void syncFile(OCFile file) {
 268         if (!file.isFolder()){
 269             Intent intent = new Intent(mFileActivity, OperationsService.class);
 270             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 271             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 272             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 273             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 274             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 275             mFileActivity.showLoadingDialog();
 276
 277         } else {
 278             Intent intent = new Intent(mFileActivity, OperationsService.class);
 279             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 280             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 281             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 282             mFileActivity.startService(intent);
 283
 284         }
 285     }
 286
 287     public void toggleFavorite(OCFile file, boolean isFavorite) {
 288         file.setFavorite(isFavorite);
 289         mFileActivity.getStorageManager().saveFile(file);
 290
 291         /// register the OCFile instance in the observer service to monitor local updates
 292         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 293                 mFileActivity,
 294                 file,
 295                 mFileActivity.getAccount(),
 296                 isFavorite);
 297         mFileActivity.startService(observedFileIntent);
 298
 299         /// immediate content synchronization
 300         if (file.isFavorite()) {
 301             syncFile(file);
 302         }
 303     }
 304
 305     public void renameFile(OCFile file, String newFilename) {
 306         // RenameFile
 307         Intent service = new Intent(mFileActivity, OperationsService.class);
 308         service.setAction(OperationsService.ACTION_RENAME);
 309         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 310         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 311         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 312         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 313
 314         mFileActivity.showLoadingDialog();
 315     }
 316
 317
 318     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 319         // RemoveFile
 320         Intent service = new Intent(mFileActivity, OperationsService.class);
 321         service.setAction(OperationsService.ACTION_REMOVE);
 322         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 323         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 324         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 325         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 326
 327         mFileActivity.showLoadingDialog();
 328     }
 329
 330
 331     public void createFolder(String remotePath, boolean createFullPath) {
 332         // Create Folder
 333         Intent service = new Intent(mFileActivity, OperationsService.class);
 334         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 335         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 336         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 337         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 338         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 339
 340         mFileActivity.showLoadingDialog();
 341     }
 342
 343     /**
 344      * Cancel the transference in downloads (files/folders) and file uploads
 345      * @param file OCFile
 346      */
 347     public void cancelTransference(OCFile file) {
 348         Account account = mFileActivity.getAccount();
 349         if (file.isFolder()) {
 350             OperationsService.OperationsServiceBinder opsBinder = mFileActivity.getOperationsServiceBinder();
 351             if (opsBinder != null) {
 352                 opsBinder.cancel(account, file);
 353             }
 354         }
 355
 356         // for both files and folders
 357         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 358         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 359             downloaderBinder.cancel(account, file);
 360         }
 361         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 362         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 363             uploaderBinder.cancel(account, file);
 364         }
 365     }
 366
 367     /**
 368      * Start move file operation
 369      *
 370      * @param newfile     File where it is going to be moved
 371      * @param currentFile File with the previous info
 372      */
 373     public void moveFile(OCFile newfile, OCFile currentFile) {
 374         // Move files
 375         Intent service = new Intent(mFileActivity, OperationsService.class);
 376         service.setAction(OperationsService.ACTION_MOVE_FILE);
 377         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 378         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 379         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 380         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 381
 382         mFileActivity.showLoadingDialog();
 383     }
 384
 385     /**
 386      * Start copy file operation
 387      *
 388      * @param newfile     File where it is going to be moved
 389      * @param currentFile File with the previous info
 390      */
 391     public void copyFile(OCFile newfile, OCFile currentFile) {
 392         // Copy files
 393         Intent service = new Intent(mFileActivity, OperationsService.class);
 394         service.setAction(OperationsService.ACTION_COPY_FILE);
 395         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 396         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 397         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 398         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 399
 400         mFileActivity.showLoadingDialog();
 401     }
 402
 403     public long getOpIdWaitingFor() {
 404         return mWaitingForOpId;
 405     }
 406
 407
 408     public void setOpIdWaitingFor(long waitingForOpId) {
 409         mWaitingForOpId = waitingForOpId;
 410     }
 411
 412     /**
 413      *  @return 'True' if the server doesn't need to check forbidden characters
 414      */
 415     public boolean isVersionWithForbiddenCharacters() {
 416         if (mFileActivity.getAccount() != null) {
 417             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 418             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 419         }
 420         return false;
 421     }
 422 }