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.ShareFileDialogFragment;
  47 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
  48
  49 import org.apache.http.protocol.HTTP;
  50
  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),
  79                     file.getMimetype());
  80             intentForSavedMimeType.setFlags(
  81                     Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  82             );
  83
  84             Intent intentForGuessedMimeType = null;
  85             if (storagePath.lastIndexOf('.') >= 0) {
  86                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
  87                         storagePath.substring(storagePath.lastIndexOf('.') + 1)
  88                 );
  89                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  90                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  91                     intentForGuessedMimeType.
  92                             setDataAndType(Uri.parse("file://"+ encodedStoragePath),
  93                                     guessedMimeType);
  94                     intentForGuessedMimeType.setFlags(
  95                             Intent.FLAG_GRANT_READ_URI_PERMISSION |
  96                                     Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  97                     );
  98                 }
  99             }
 100
 101             Intent openFileWithIntent;
 102             if (intentForGuessedMimeType != null) {
 103                 openFileWithIntent = intentForGuessedMimeType;
 104             } else {
 105                 openFileWithIntent = intentForSavedMimeType;
 106             }
 107
 108             List<ResolveInfo> launchables = mFileActivity.getPackageManager().
 109                     queryIntentActivities(openFileWithIntent, PackageManager.GET_INTENT_FILTERS);
 110
 111             if(launchables != null && launchables.size() > 0) {
 112                 try {
 113                     mFileActivity.startActivity(
 114                             Intent.createChooser(
 115                                     openFileWithIntent, mFileActivity.getString(R.string.actionbar_open_with)
 116                             )
 117                     );
 118                 } catch (ActivityNotFoundException anfe) {
 119                     showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 120                 }
 121             } else {
 122                 showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 123             }
 124
 125         } else {
 126             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 127         }
 128     }
 129
 130     /**
 131      * Displays a toast stating that no application could be found to open the file.
 132      *
 133      * @param context the context to be able to show a toast.
 134      */
 135     private void showNoAppForFileTypeToast(Context context) {
 136         Toast.makeText(context,
 137                 R.string.file_list_no_app_for_file_type, Toast.LENGTH_SHORT)
 138                 .show();
 139     }
 140
 141     public void shareFileWithLink(OCFile file) {
 142
 143         if (isSharedSupported()) {
 144             if (file != null) {
 145                 String link = "https://fake.url";
 146                 Intent intent = createShareWithLinkIntent(link);
 147                 String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 148                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent,
 149                         packagesToExclude, file);
 150                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 151
 152             } else {
 153                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 154             }
 155
 156         } else {
 157             // Show a Message
 158             Toast t = Toast.makeText(
 159                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api),
 160                     Toast.LENGTH_LONG
 161             );
 162             t.show();
 163         }
 164     }
 165
 166
 167     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 168
 169         if (file != null) {
 170             mFileActivity.showLoadingDialog();
 171
 172             Intent service = new Intent(mFileActivity, OperationsService.class);
 173             service.setAction(OperationsService.ACTION_CREATE_SHARE);
 174             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 175             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 176             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 177             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 178             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 179
 180         } else {
 181             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 182         }
 183     }
 184
 185
 186     private Intent createShareWithLinkIntent(String link) {
 187         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 188         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 189         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 190         return intentToShareLink;
 191     }
 192
 193
 194     /**
 195      * @return 'True' if the server supports the Share API
 196      */
 197     public boolean isSharedSupported() {
 198         if (mFileActivity.getAccount() != null) {
 199             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 200             return (serverVersion != null && serverVersion.isSharedSupported());
 201         }
 202         return false;
 203     }
 204
 205
 206     public void unshareFileWithLink(OCFile file) {
 207
 208         if (isSharedSupported()) {
 209             // Unshare the file
 210             Intent service = new Intent(mFileActivity, OperationsService.class);
 211             service.setAction(OperationsService.ACTION_UNSHARE);
 212             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 213             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 214             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 215
 216             mFileActivity.showLoadingDialog();
 217
 218         } else {
 219             // Show a Message
 220             Toast t = Toast.makeText(mFileActivity,
 221                     mFileActivity.getString(R.string.share_link_no_support_share_api),
 222                     Toast.LENGTH_LONG);
 223             t.show();
 224
 225         }
 226     }
 227
 228     public void showShareFile(OCFile file){
 229         ShareFileDialogFragment dialog =
 230                 ShareFileDialogFragment.newInstance(file, mFileActivity.getAccount());
 231         dialog.show(mFileActivity.getSupportFragmentManager(), mFileActivity.DIALOG_SHARE_FILE);
 232
 233     }
 234
 235     public void sendDownloadedFile(OCFile file) {
 236         if (file != null) {
 237             String storagePath = file.getStoragePath();
 238             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 239             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 240             // set MimeType
 241             sendIntent.setType(file.getMimetype());
 242             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 243             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 244
 245             // Show dialog, without the own app
 246             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 247             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent,
 248                     packagesToExclude, file);
 249             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 250
 251         } else {
 252             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 253         }
 254     }
 255
 256     /**
 257      * Request the synchronization of a file or folder with the OC server, including its contents.
 258      *
 259      * @param file          The file or folder to synchronize
 260      */
 261     public void syncFile(OCFile file) {
 262         if (!file.isFolder()){
 263             Intent intent = new Intent(mFileActivity, OperationsService.class);
 264             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 265             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 266             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 267             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 268             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 269             mFileActivity.showLoadingDialog();
 270
 271         } else {
 272             Intent intent = new Intent(mFileActivity, OperationsService.class);
 273             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 274             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 275             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 276             mFileActivity.startService(intent);
 277
 278         }
 279     }
 280
 281     public void toggleFavorite(OCFile file, boolean isFavorite) {
 282         file.setFavorite(isFavorite);
 283         mFileActivity.getStorageManager().saveFile(file);
 284
 285         /// register the OCFile instance in the observer service to monitor local updates
 286         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 287                 mFileActivity,
 288                 file,
 289                 mFileActivity.getAccount(),
 290                 isFavorite);
 291         mFileActivity.startService(observedFileIntent);
 292
 293         /// immediate content synchronization
 294         if (file.isFavorite()) {
 295             syncFile(file);
 296         }
 297     }
 298
 299     public void renameFile(OCFile file, String newFilename) {
 300         // RenameFile
 301         Intent service = new Intent(mFileActivity, OperationsService.class);
 302         service.setAction(OperationsService.ACTION_RENAME);
 303         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 304         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 305         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 306         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 307
 308         mFileActivity.showLoadingDialog();
 309     }
 310
 311
 312     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 313         // RemoveFile
 314         Intent service = new Intent(mFileActivity, OperationsService.class);
 315         service.setAction(OperationsService.ACTION_REMOVE);
 316         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 317         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 318         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 319         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 320
 321         mFileActivity.showLoadingDialog();
 322     }
 323
 324
 325     public void createFolder(String remotePath, boolean createFullPath) {
 326         // Create Folder
 327         Intent service = new Intent(mFileActivity, OperationsService.class);
 328         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 329         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 330         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 331         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 332         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 333
 334         mFileActivity.showLoadingDialog();
 335     }
 336
 337     /**
 338      * Cancel the transference in downloads (files/folders) and file uploads
 339      * @param file OCFile
 340      */
 341     public void cancelTransference(OCFile file) {
 342         Account account = mFileActivity.getAccount();
 343         if (file.isFolder()) {
 344             OperationsService.OperationsServiceBinder opsBinder =
 345                     mFileActivity.getOperationsServiceBinder();
 346             if (opsBinder != null) {
 347                 opsBinder.cancel(account, file);
 348             }
 349         }
 350
 351         // for both files and folders
 352         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 353         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 354             downloaderBinder.cancel(account, file);
 355         }
 356         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 357         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 358             uploaderBinder.cancel(account, file);
 359         }
 360     }
 361
 362     /**
 363      * Start move file operation
 364      *
 365      * @param newfile     File where it is going to be moved
 366      * @param currentFile File with the previous info
 367      */
 368     public void moveFile(OCFile newfile, OCFile currentFile) {
 369         // Move files
 370         Intent service = new Intent(mFileActivity, OperationsService.class);
 371         service.setAction(OperationsService.ACTION_MOVE_FILE);
 372         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 373         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 374         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 375         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 376
 377         mFileActivity.showLoadingDialog();
 378     }
 379
 380     /**
 381      * Start copy file operation
 382      *
 383      * @param newfile     File where it is going to be moved
 384      * @param currentFile File with the previous info
 385      */
 386     public void copyFile(OCFile newfile, OCFile currentFile) {
 387         // Copy files
 388         Intent service = new Intent(mFileActivity, OperationsService.class);
 389         service.setAction(OperationsService.ACTION_COPY_FILE);
 390         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 391         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 392         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 393         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 394
 395         mFileActivity.showLoadingDialog();
 396     }
 397
 398     public long getOpIdWaitingFor() {
 399         return mWaitingForOpId;
 400     }
 401
 402
 403     public void setOpIdWaitingFor(long waitingForOpId) {
 404         mWaitingForOpId = waitingForOpId;
 405     }
 406
 407     /**
 408      *  @return 'True' if the server doesn't need to check forbidden characters
 409      */
 410     public boolean isVersionWithForbiddenCharacters() {
 411         if (mFileActivity.getAccount() != null) {
 412             OwnCloudVersion serverVersion =
 413                     AccountUtils.getServerVersion(mFileActivity.getAccount());
 414             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 415         }
 416         return false;
 417     }
 418 }