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.activity.ShareActivity;
  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         Intent intent = new Intent(mFileActivity, ShareActivity.class);
 230         intent.putExtra(mFileActivity.EXTRA_FILE, file);
 231         intent.putExtra(mFileActivity.EXTRA_ACCOUNT, mFileActivity.getAccount());
 232         mFileActivity.startActivity(intent);
 233
 234     }
 235
 236     public void sendDownloadedFile(OCFile file) {
 237         if (file != null) {
 238             String storagePath = file.getStoragePath();
 239             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 240             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 241             // set MimeType
 242             sendIntent.setType(file.getMimetype());
 243             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 244             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 245
 246             // Show dialog, without the own app
 247             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 248             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent,
 249                     packagesToExclude, file);
 250             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 251
 252         } else {
 253             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 254         }
 255     }
 256
 257     /**
 258      * Request the synchronization of a file or folder with the OC server, including its contents.
 259      *
 260      * @param file          The file or folder to synchronize
 261      */
 262     public void syncFile(OCFile file) {
 263         if (!file.isFolder()){
 264             Intent intent = new Intent(mFileActivity, OperationsService.class);
 265             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 266             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 267             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 268             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 269             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 270             mFileActivity.showLoadingDialog();
 271
 272         } else {
 273             Intent intent = new Intent(mFileActivity, OperationsService.class);
 274             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 275             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 276             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 277             mFileActivity.startService(intent);
 278
 279         }
 280     }
 281
 282     public void toggleFavorite(OCFile file, boolean isFavorite) {
 283         file.setFavorite(isFavorite);
 284         mFileActivity.getStorageManager().saveFile(file);
 285
 286         /// register the OCFile instance in the observer service to monitor local updates
 287         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 288                 mFileActivity,
 289                 file,
 290                 mFileActivity.getAccount(),
 291                 isFavorite);
 292         mFileActivity.startService(observedFileIntent);
 293
 294         /// immediate content synchronization
 295         if (file.isFavorite()) {
 296             syncFile(file);
 297         }
 298     }
 299
 300     public void renameFile(OCFile file, String newFilename) {
 301         // RenameFile
 302         Intent service = new Intent(mFileActivity, OperationsService.class);
 303         service.setAction(OperationsService.ACTION_RENAME);
 304         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 305         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 306         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 307         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 308
 309         mFileActivity.showLoadingDialog();
 310     }
 311
 312
 313     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 314         // RemoveFile
 315         Intent service = new Intent(mFileActivity, OperationsService.class);
 316         service.setAction(OperationsService.ACTION_REMOVE);
 317         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 318         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 319         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 320         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 321
 322         mFileActivity.showLoadingDialog();
 323     }
 324
 325
 326     public void createFolder(String remotePath, boolean createFullPath) {
 327         // Create Folder
 328         Intent service = new Intent(mFileActivity, OperationsService.class);
 329         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 330         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 331         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 332         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 333         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 334
 335         mFileActivity.showLoadingDialog();
 336     }
 337
 338     /**
 339      * Cancel the transference in downloads (files/folders) and file uploads
 340      * @param file OCFile
 341      */
 342     public void cancelTransference(OCFile file) {
 343         Account account = mFileActivity.getAccount();
 344         if (file.isFolder()) {
 345             OperationsService.OperationsServiceBinder opsBinder =
 346                     mFileActivity.getOperationsServiceBinder();
 347             if (opsBinder != null) {
 348                 opsBinder.cancel(account, file);
 349             }
 350         }
 351
 352         // for both files and folders
 353         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 354         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 355             downloaderBinder.cancel(account, file);
 356         }
 357         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 358         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 359             uploaderBinder.cancel(account, file);
 360         }
 361     }
 362
 363     /**
 364      * Start move file operation
 365      *
 366      * @param newfile     File where it is going to be moved
 367      * @param currentFile File with the previous info
 368      */
 369     public void moveFile(OCFile newfile, OCFile currentFile) {
 370         // Move files
 371         Intent service = new Intent(mFileActivity, OperationsService.class);
 372         service.setAction(OperationsService.ACTION_MOVE_FILE);
 373         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 374         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 375         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 376         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 377
 378         mFileActivity.showLoadingDialog();
 379     }
 380
 381     /**
 382      * Start copy file operation
 383      *
 384      * @param newfile     File where it is going to be moved
 385      * @param currentFile File with the previous info
 386      */
 387     public void copyFile(OCFile newfile, OCFile currentFile) {
 388         // Copy files
 389         Intent service = new Intent(mFileActivity, OperationsService.class);
 390         service.setAction(OperationsService.ACTION_COPY_FILE);
 391         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 392         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 393         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 394         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 395
 396         mFileActivity.showLoadingDialog();
 397     }
 398
 399     public long getOpIdWaitingFor() {
 400         return mWaitingForOpId;
 401     }
 402
 403
 404     public void setOpIdWaitingFor(long waitingForOpId) {
 405         mWaitingForOpId = waitingForOpId;
 406     }
 407
 408     /**
 409      *  @return 'True' if the server doesn't need to check forbidden characters
 410      */
 411     public boolean isVersionWithForbiddenCharacters() {
 412         if (mFileActivity.getAccount() != null) {
 413             OwnCloudVersion serverVersion =
 414                     AccountUtils.getServerVersion(mFileActivity.getAccount());
 415             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 416         }
 417         return false;
 418     }
 419 }