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.graphics.Bitmap;
  29 import android.content.pm.PackageManager;
  30 import android.content.pm.ResolveInfo;
  31 import android.net.Uri;
  32 import android.support.v4.app.DialogFragment;
  33 import android.webkit.MimeTypeMap;
  34 import android.widget.Toast;
  35
  36 import com.owncloud.android.MainApp;
  37 import com.owncloud.android.R;
  38 import com.owncloud.android.authentication.AccountUtils;
  39 import com.owncloud.android.datamodel.OCFile;
  40 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  41 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  42 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  43 import com.owncloud.android.lib.common.network.WebdavUtils;
  44 import com.owncloud.android.lib.common.utils.Log_OC;
  45 import com.owncloud.android.lib.resources.shares.ShareType;
  46 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  47 import com.owncloud.android.services.OperationsService;
  48 import com.owncloud.android.services.observer.FileObserverService;
  49 import com.owncloud.android.ui.activity.FileActivity;
  50 import com.owncloud.android.ui.adapter.DiskLruImageCacheFileProvider;
  51 import com.owncloud.android.ui.activity.ShareActivity;
  52 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
  53
  54 import java.io.ByteArrayOutputStream;
  55 import java.io.File;
  56 import java.io.FileNotFoundException;
  57 import java.io.FileOutputStream;
  58 import java.io.IOException;
  59
  60 import org.apache.http.protocol.HTTP;
  61
  62 import java.util.List;
  63
  64 /**
  65  *
  66  */
  67 public class FileOperationsHelper {
  68
  69     private static final String TAG = FileOperationsHelper.class.getName();
  70
  71     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  72
  73     protected FileActivity mFileActivity = null;
  74
  75     /// Identifier of operation in progress which result shouldn't be lost
  76     private long mWaitingForOpId = Long.MAX_VALUE;
  77
  78     public FileOperationsHelper(FileActivity fileActivity) {
  79         mFileActivity = fileActivity;
  80     }
  81
  82
  83     public void openFile(OCFile file) {
  84         if (file != null) {
  85             String storagePath = file.getStoragePath();
  86             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  87
  88             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  89             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath),
  90                     file.getMimetype());
  91             intentForSavedMimeType.setFlags(
  92                     Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  93             );
  94
  95             Intent intentForGuessedMimeType = null;
  96             if (storagePath.lastIndexOf('.') >= 0) {
  97                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
  98                         storagePath.substring(storagePath.lastIndexOf('.') + 1)
  99                 );
 100                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
 101                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
 102                     intentForGuessedMimeType.
 103                             setDataAndType(Uri.parse("file://"+ encodedStoragePath),
 104                                     guessedMimeType);
 105                     intentForGuessedMimeType.setFlags(
 106                             Intent.FLAG_GRANT_READ_URI_PERMISSION |
 107                                     Intent.FLAG_GRANT_WRITE_URI_PERMISSION
 108                     );
 109                 }
 110             }
 111
 112             Intent openFileWithIntent;
 113             if (intentForGuessedMimeType != null) {
 114                 openFileWithIntent = intentForGuessedMimeType;
 115             } else {
 116                 openFileWithIntent = intentForSavedMimeType;
 117             }
 118
 119             List<ResolveInfo> launchables = mFileActivity.getPackageManager().
 120                     queryIntentActivities(openFileWithIntent, PackageManager.GET_INTENT_FILTERS);
 121
 122             if(launchables != null && launchables.size() > 0) {
 123                 try {
 124                     mFileActivity.startActivity(
 125                             Intent.createChooser(
 126                                     openFileWithIntent, mFileActivity.getString(R.string.actionbar_open_with)
 127                             )
 128                     );
 129                 } catch (ActivityNotFoundException anfe) {
 130                     showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 131                 }
 132             } else {
 133                 showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 134             }
 135
 136         } else {
 137             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 138         }
 139     }
 140
 141     /**
 142      * Displays a toast stating that no application could be found to open the file.
 143      *
 144      * @param context the context to be able to show a toast.
 145      */
 146     private void showNoAppForFileTypeToast(Context context) {
 147         Toast.makeText(context,
 148                 R.string.file_list_no_app_for_file_type, Toast.LENGTH_SHORT)
 149                 .show();
 150     }
 151
 152     public void shareFileWithLink(OCFile file) {
 153
 154         if (isSharedSupported()) {
 155             if (file != null) {
 156                 String link = "https://fake.url";
 157                 Intent intent = createShareWithLinkIntent(link);
 158                 String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 159                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent,
 160                         packagesToExclude, file);
 161                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 162
 163             } else {
 164                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 165             }
 166
 167         } else {
 168             // Show a Message
 169             Toast t = Toast.makeText(
 170                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api),
 171                     Toast.LENGTH_LONG
 172             );
 173             t.show();
 174         }
 175     }
 176
 177
 178     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 179
 180         if (file != null) {
 181             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 182                     getString(R.string.wait_a_moment));
 183
 184             Intent service = new Intent(mFileActivity, OperationsService.class);
 185             service.setAction(OperationsService.ACTION_CREATE_SHARE_VIA_LINK);
 186             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 187             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 188             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 189             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 190             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 191
 192         } else {
 193             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 194         }
 195     }
 196
 197
 198     private Intent createShareWithLinkIntent(String link) {
 199         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 200         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 201         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 202         return intentToShareLink;
 203     }
 204
 205
 206     /**
 207      * Helper method to share a file with a know sharee. Starts a request to do it in {@link OperationsService}
 208      *
 209      * @param file          The file to share.
 210      * @param shareeName    Name (user name or group name) of the target sharee.
 211      * @param shareType     The share type determines the sharee type.
 212      */
 213     public void shareFileWithSharee(OCFile file, String shareeName, ShareType shareType) {
 214         if (file != null) {
 215             // TODO check capability?
 216             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 217                     getString(R.string.wait_a_moment));
 218
 219             Intent service = new Intent(mFileActivity, OperationsService.class);
 220             service.setAction(OperationsService.ACTION_CREATE_SHARE_WITH_SHAREE);
 221             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 222             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 223             service.putExtra(OperationsService.EXTRA_SHARE_WITH, shareeName);
 224             service.putExtra(OperationsService.EXTRA_SHARE_TYPE, shareType);
 225             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 226
 227         } else {
 228             Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 229         }
 230     }
 231
 232
 233     /**
 234      * @return 'True' if the server supports the Share API
 235      */
 236     public boolean isSharedSupported() {
 237         if (mFileActivity.getAccount() != null) {
 238             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 239             return (serverVersion != null && serverVersion.isSharedSupported());
 240         }
 241         return false;
 242     }
 243
 244
 245     public void unshareFileWithLink(OCFile file) {
 246
 247         // Unshare the file: Create the intent
 248         Intent unshareService = new Intent(mFileActivity, OperationsService.class);
 249         unshareService.setAction(OperationsService.ACTION_UNSHARE);
 250         unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 251         unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 252         unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, ShareType.PUBLIC_LINK);
 253         unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, "");
 254
 255         unshareFile(unshareService);
 256     }
 257
 258     public void unshareFileWithUserOrGroup(OCFile file, ShareType shareType, String userOrGroup){
 259
 260         // Unshare the file: Create the intent
 261         Intent unshareService = new Intent(mFileActivity, OperationsService.class);
 262         unshareService.setAction(OperationsService.ACTION_UNSHARE);
 263         unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 264         unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 265         unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, shareType);
 266         unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, userOrGroup);
 267
 268         unshareFile(unshareService);
 269     }
 270
 271
 272     private void unshareFile(Intent unshareService){
 273         if (isSharedSupported()) {
 274             // Unshare the file
 275             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().
 276                     queueNewOperation(unshareService);
 277
 278             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 279                     getString(R.string.wait_a_moment));
 280
 281         } else {
 282             // Show a Message
 283             Toast t = Toast.makeText(mFileActivity,
 284                     mFileActivity.getString(R.string.share_link_no_support_share_api),
 285                     Toast.LENGTH_LONG);
 286             t.show();
 287
 288         }
 289     }
 290
 291     /**
 292      * Show an instance of {@link ShareType} for sharing or unsharing the {@OCFile} received as parameter.
 293      *
 294      * @param file  File to share or unshare.
 295      */
 296     public void showShareFile(OCFile file){
 297         Intent intent = new Intent(mFileActivity, ShareActivity.class);
 298         intent.putExtra(mFileActivity.EXTRA_FILE, file);
 299         intent.putExtra(mFileActivity.EXTRA_ACCOUNT, mFileActivity.getAccount());
 300         mFileActivity.startActivity(intent);
 301
 302     }
 303
 304
 305     /**
 306      * @return 'True' if the server supports the Search Users API
 307      */
 308     public boolean isSearchUsersSupportedSupported() {
 309         if (mFileActivity.getAccount() != null) {
 310             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 311             return (serverVersion != null && serverVersion.isSearchUsersSupported());
 312         }
 313         return false;
 314     }
 315
 316     public void sendDownloadedFile(OCFile file) {
 317         if (file != null) {
 318             String storagePath = file.getStoragePath();
 319             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 320             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 321             // set MimeType
 322             sendIntent.setType(file.getMimetype());
 323             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 324             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 325
 326             // Show dialog, without the own app
 327             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 328             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent,
 329                     packagesToExclude, file);
 330             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 331
 332         } else {
 333             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 334         }
 335     }
 336
 337     public void sendCachedImage(OCFile file) {
 338         if (file != null) {
 339             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 340             // set MimeType
 341             sendIntent.setType(file.getMimetype());
 342 //            sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("content://" + DiskLruImageCacheFileProvider.AUTHORITY + "/#" + file.getRemoteId() + "#" + file.getFileName()));
 343             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("content://" + DiskLruImageCacheFileProvider.AUTHORITY + file.getRemotePath()));
 344             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 345
 346             // Show dialog, without the own app
 347             String[] packagesToExclude = new String[] { mFileActivity.getPackageName() };
 348             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 349             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 350         } else {
 351             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 352         }
 353     }
 354
 355
 356
 357     /**
 358      * Request the synchronization of a file or folder with the OC server, including its contents.
 359      *
 360      * @param file          The file or folder to synchronize
 361      */
 362     public void syncFile(OCFile file) {
 363         if (!file.isFolder()){
 364             Intent intent = new Intent(mFileActivity, OperationsService.class);
 365             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 366             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 367             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 368             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 369             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 370             mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 371                     getString(R.string.wait_a_moment));
 372
 373         } else {
 374             Intent intent = new Intent(mFileActivity, OperationsService.class);
 375             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 376             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 377             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 378             mFileActivity.startService(intent);
 379
 380         }
 381     }
 382
 383     public void toggleFavorite(OCFile file, boolean isFavorite) {
 384         file.setFavorite(isFavorite);
 385         mFileActivity.getStorageManager().saveFile(file);
 386
 387         /// register the OCFile instance in the observer service to monitor local updates
 388         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 389                 mFileActivity,
 390                 file,
 391                 mFileActivity.getAccount(),
 392                 isFavorite);
 393         mFileActivity.startService(observedFileIntent);
 394
 395         /// immediate content synchronization
 396         if (file.isFavorite()) {
 397             syncFile(file);
 398         }
 399     }
 400
 401     public void renameFile(OCFile file, String newFilename) {
 402         // RenameFile
 403         Intent service = new Intent(mFileActivity, OperationsService.class);
 404         service.setAction(OperationsService.ACTION_RENAME);
 405         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 406         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 407         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 408         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 409
 410         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 411                 getString(R.string.wait_a_moment));
 412     }
 413
 414
 415     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 416         // RemoveFile
 417         Intent service = new Intent(mFileActivity, OperationsService.class);
 418         service.setAction(OperationsService.ACTION_REMOVE);
 419         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 420         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 421         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 422         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 423
 424         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 425                 getString(R.string.wait_a_moment));
 426     }
 427
 428
 429     public void createFolder(String remotePath, boolean createFullPath) {
 430         // Create Folder
 431         Intent service = new Intent(mFileActivity, OperationsService.class);
 432         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 433         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 434         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 435         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 436         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 437
 438         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 439                 getString(R.string.wait_a_moment));
 440     }
 441
 442     /**
 443      * Cancel the transference in downloads (files/folders) and file uploads
 444      * @param file OCFile
 445      */
 446     public void cancelTransference(OCFile file) {
 447         Account account = mFileActivity.getAccount();
 448         if (file.isFolder()) {
 449             OperationsService.OperationsServiceBinder opsBinder =
 450                     mFileActivity.getOperationsServiceBinder();
 451             if (opsBinder != null) {
 452                 opsBinder.cancel(account, file);
 453             }
 454         }
 455
 456         // for both files and folders
 457         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 458         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 459             downloaderBinder.cancel(account, file);
 460         }
 461         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 462         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 463             uploaderBinder.cancel(account, file);
 464         }
 465     }
 466
 467     /**
 468      * Start move file operation
 469      *
 470      * @param newfile     File where it is going to be moved
 471      * @param currentFile File with the previous info
 472      */
 473     public void moveFile(OCFile newfile, OCFile currentFile) {
 474         // Move files
 475         Intent service = new Intent(mFileActivity, OperationsService.class);
 476         service.setAction(OperationsService.ACTION_MOVE_FILE);
 477         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 478         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 479         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 480         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 481
 482         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 483                 getString(R.string.wait_a_moment));
 484     }
 485
 486     /**
 487      * Start copy file operation
 488      *
 489      * @param newfile     File where it is going to be moved
 490      * @param currentFile File with the previous info
 491      */
 492     public void copyFile(OCFile newfile, OCFile currentFile) {
 493         // Copy files
 494         Intent service = new Intent(mFileActivity, OperationsService.class);
 495         service.setAction(OperationsService.ACTION_COPY_FILE);
 496         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 497         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 498         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 499         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 500
 501         mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
 502                 getString(R.string.wait_a_moment));
 503     }
 504
 505     public long getOpIdWaitingFor() {
 506         return mWaitingForOpId;
 507     }
 508
 509
 510     public void setOpIdWaitingFor(long waitingForOpId) {
 511         mWaitingForOpId = waitingForOpId;
 512     }
 513
 514     /**
 515      *  @return 'True' if the server doesn't need to check forbidden characters
 516      */
 517     public boolean isVersionWithForbiddenCharacters() {
 518         if (mFileActivity.getAccount() != null) {
 519             OwnCloudVersion serverVersion =
 520                     AccountUtils.getServerVersion(mFileActivity.getAccount());
 521             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 522         }
 523         return false;
 524     }
 525 }