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