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,
 249                                                     mFileActivity.getString(R.string.set_as)), 200);
 250             } else {
 251 //                 TODO re-enable after resized images is available
 252 //                Uri sendUri = Uri.parse("content://" + DiskLruImageCacheFileProvider.AUTHORITY + file.getRemotePath());
 253 //                Intent intent = new Intent(Intent.ACTION_ATTACH_DATA);
 254 //                intent.setDataAndType(sendUri, file.getMimetype());
 255 //                intent.putExtra("mimeType", file.getMimetype());
 256 //                mFileActivity.startActivityForResult(Intent.createChooser(intent, "Set As"), 200);
 257             }
 258         } else {
 259             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 260         }
 261     }
 262
 263     /**
 264      * Request the synchronization of a file or folder with the OC server, including its contents.
 265      *
 266      * @param file          The file or folder to synchronize
 267      */
 268     public void syncFile(OCFile file) {
 269         if (!file.isFolder()){
 270             Intent intent = new Intent(mFileActivity, OperationsService.class);
 271             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 272             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 273             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 274             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 275             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 276             mFileActivity.showLoadingDialog();
 277
 278         } else {
 279             Intent intent = new Intent(mFileActivity, OperationsService.class);
 280             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 281             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 282             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 283             mFileActivity.startService(intent);
 284
 285         }
 286     }
 287
 288     public void toggleFavorite(OCFile file, boolean isFavorite) {
 289         file.setFavorite(isFavorite);
 290         mFileActivity.getStorageManager().saveFile(file);
 291
 292         /// register the OCFile instance in the observer service to monitor local updates
 293         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 294                 mFileActivity,
 295                 file,
 296                 mFileActivity.getAccount(),
 297                 isFavorite);
 298         mFileActivity.startService(observedFileIntent);
 299
 300         /// immediate content synchronization
 301         if (file.isFavorite()) {
 302             syncFile(file);
 303         }
 304     }
 305
 306     public void renameFile(OCFile file, String newFilename) {
 307         // RenameFile
 308         Intent service = new Intent(mFileActivity, OperationsService.class);
 309         service.setAction(OperationsService.ACTION_RENAME);
 310         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 311         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 312         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 313         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 314
 315         mFileActivity.showLoadingDialog();
 316     }
 317
 318
 319     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 320         // RemoveFile
 321         Intent service = new Intent(mFileActivity, OperationsService.class);
 322         service.setAction(OperationsService.ACTION_REMOVE);
 323         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 324         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 325         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 326         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 327
 328         mFileActivity.showLoadingDialog();
 329     }
 330
 331
 332     public void createFolder(String remotePath, boolean createFullPath) {
 333         // Create Folder
 334         Intent service = new Intent(mFileActivity, OperationsService.class);
 335         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 336         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 337         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 338         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 339         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 340
 341         mFileActivity.showLoadingDialog();
 342     }
 343
 344     /**
 345      * Cancel the transference in downloads (files/folders) and file uploads
 346      * @param file OCFile
 347      */
 348     public void cancelTransference(OCFile file) {
 349         Account account = mFileActivity.getAccount();
 350         if (file.isFolder()) {
 351             OperationsService.OperationsServiceBinder opsBinder = mFileActivity.getOperationsServiceBinder();
 352             if (opsBinder != null) {
 353                 opsBinder.cancel(account, file);
 354             }
 355         }
 356
 357         // for both files and folders
 358         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 359         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 360             downloaderBinder.cancel(account, file);
 361         }
 362         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 363         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 364             uploaderBinder.cancel(account, file);
 365         }
 366     }
 367
 368     /**
 369      * Start move file operation
 370      *
 371      * @param newfile     File where it is going to be moved
 372      * @param currentFile File with the previous info
 373      */
 374     public void moveFile(OCFile newfile, OCFile currentFile) {
 375         // Move files
 376         Intent service = new Intent(mFileActivity, OperationsService.class);
 377         service.setAction(OperationsService.ACTION_MOVE_FILE);
 378         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 379         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 380         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 381         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 382
 383         mFileActivity.showLoadingDialog();
 384     }
 385
 386     /**
 387      * Start copy file operation
 388      *
 389      * @param newfile     File where it is going to be moved
 390      * @param currentFile File with the previous info
 391      */
 392     public void copyFile(OCFile newfile, OCFile currentFile) {
 393         // Copy files
 394         Intent service = new Intent(mFileActivity, OperationsService.class);
 395         service.setAction(OperationsService.ACTION_COPY_FILE);
 396         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 397         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 398         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 399         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 400
 401         mFileActivity.showLoadingDialog();
 402     }
 403
 404     public long getOpIdWaitingFor() {
 405         return mWaitingForOpId;
 406     }
 407
 408
 409     public void setOpIdWaitingFor(long waitingForOpId) {
 410         mWaitingForOpId = waitingForOpId;
 411     }
 412
 413     /**
 414      *  @return 'True' if the server doesn't need to check forbidden characters
 415      */
 416     public boolean isVersionWithForbiddenCharacters() {
 417         if (mFileActivity.getAccount() != null) {
 418             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 419             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 420         }
 421         return false;
 422     }
 423 }