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.providers.FileContentProvider;
  44 import com.owncloud.android.services.OperationsService;
  45 import com.owncloud.android.services.observer.FileObserverService;
  46 import com.owncloud.android.ui.activity.FileActivity;
  47 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
  48
  49 import org.apache.http.protocol.HTTP;
  50
  51 import java.io.File;
  52 import java.util.List;
  53
  54 /**
  55  *
  56  */
  57 public class FileOperationsHelper {
  58
  59     private static final String TAG = FileOperationsHelper.class.getName();
  60
  61     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  62
  63     protected FileActivity mFileActivity = null;
  64
  65     /// Identifier of operation in progress which result shouldn't be lost
  66     private long mWaitingForOpId = Long.MAX_VALUE;
  67
  68     public FileOperationsHelper(FileActivity fileActivity) {
  69         mFileActivity = fileActivity;
  70     }
  71
  72
  73     public void openFile(OCFile file) {
  74         if (file != null) {
  75             String storagePath = file.getStoragePath();
  76             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  77
  78             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  79             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), 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.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
  92                     intentForGuessedMimeType.setFlags(
  93                             Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  94                     );
  95                 }
  96             }
  97
  98             Intent openFileWithIntent;
  99             if (intentForGuessedMimeType != null) {
 100                 openFileWithIntent = intentForGuessedMimeType;
 101             } else {
 102                 openFileWithIntent = intentForSavedMimeType;
 103             }
 104
 105             List<ResolveInfo> launchables = mFileActivity.getPackageManager().
 106                     queryIntentActivities(openFileWithIntent, PackageManager.GET_INTENT_FILTERS);
 107
 108             if(launchables != null && launchables.size() > 0) {
 109                 try {
 110                     mFileActivity.startActivity(
 111                             Intent.createChooser(
 112                                     openFileWithIntent, mFileActivity.getString(R.string.actionbar_open_with)
 113                             )
 114                     );
 115                 } catch (ActivityNotFoundException anfe) {
 116                     showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 117                 }
 118             } else {
 119                 showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 120             }
 121
 122         } else {
 123             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 124         }
 125     }
 126
 127     /**
 128      * Displays a toast stating that no application could be found to open the file.
 129      *
 130      * @param context the context to be able to show a toast.
 131      */
 132     private void showNoAppForFileTypeToast(Context context) {
 133         Toast.makeText(context,
 134                 R.string.file_list_no_app_for_file_type, Toast.LENGTH_SHORT)
 135                 .show();
 136     }
 137
 138     public void shareFileWithLink(OCFile file) {
 139
 140         if (isSharedSupported()) {
 141             if (file != null) {
 142                 String link = "https://fake.url";
 143                 Intent intent = createShareWithLinkIntent(link);
 144                 String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 145                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent, packagesToExclude, file);
 146                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 147
 148             } else {
 149                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 150             }
 151
 152         } else {
 153             // Show a Message
 154             Toast t = Toast.makeText(
 155                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG
 156             );
 157             t.show();
 158         }
 159     }
 160
 161
 162     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 163
 164         if (file != null) {
 165             mFileActivity.showLoadingDialog();
 166
 167             Intent service = new Intent(mFileActivity, OperationsService.class);
 168             service.setAction(OperationsService.ACTION_CREATE_SHARE);
 169             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 170             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 171             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 172             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 173             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 174
 175         } else {
 176             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 177         }
 178     }
 179
 180
 181     private Intent createShareWithLinkIntent(String link) {
 182         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 183         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 184         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 185         return intentToShareLink;
 186     }
 187
 188
 189     /**
 190      * @return 'True' if the server supports the Share API
 191      */
 192     public boolean isSharedSupported() {
 193         if (mFileActivity.getAccount() != null) {
 194             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 195             return (serverVersion != null && serverVersion.isSharedSupported());
 196         }
 197         return false;
 198     }
 199
 200
 201     public void unshareFileWithLink(OCFile file) {
 202
 203         if (isSharedSupported()) {
 204             // Unshare the file
 205             Intent service = new Intent(mFileActivity, OperationsService.class);
 206             service.setAction(OperationsService.ACTION_UNSHARE);
 207             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 208             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 209             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 210
 211             mFileActivity.showLoadingDialog();
 212
 213         } else {
 214             // Show a Message
 215             Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 216             t.show();
 217
 218         }
 219     }
 220
 221     public void sendDownloadedFile(OCFile file) {
 222         if (file != null) {
 223             String storagePath = file.getStoragePath();
 224             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 225             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 226             // set MimeType
 227             sendIntent.setType(file.getMimetype());
 228             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 229             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 230
 231             // Show dialog, without the own app
 232             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 233             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 234             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 235
 236         } else {
 237             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 238         }
 239     }
 240
 241     public void setPictureAs(OCFile file) {
 242         if (file != null) {
 243             if (file.isDown()) {
 244                 File externalFile=new File(file.getStoragePath());
 245                 Uri sendUri = Uri.fromFile(externalFile);
 246                 Intent intent = new Intent(Intent.ACTION_ATTACH_DATA);
 247                 intent.setDataAndType(sendUri, file.getMimetype());
 248                 intent.putExtra("mimeType", file.getMimetype());
 249                 mFileActivity.startActivityForResult(Intent.createChooser(intent, "Set As"), 200);
 250             } else {
 251                 // TODO re-enable after resized images is available
 252 //                Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 253 //                // set MimeType
 254 //                sendIntent.setType(file.getMimetype());
 255 ////            sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("content://" + DiskLruImageCacheFileProvider.AUTHORITY + "/#" + file.getRemoteId() + "#" + file.getFileName()));
 256 //                sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("content://" + DiskLruImageCacheFileProvider.AUTHORITY + file.getRemotePath()));
 257 //                sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 258 //
 259 //                // Show dialog, without the own app
 260 //                String[] packagesToExclude = new String[] { mFileActivity.getPackageName() };
 261 //                DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 262 //                chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 263             }
 264         } else {
 265             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 266         }
 267     }
 268
 269     /**
 270      * Request the synchronization of a file or folder with the OC server, including its contents.
 271      *
 272      * @param file          The file or folder to synchronize
 273      */
 274     public void syncFile(OCFile file) {
 275         if (!file.isFolder()){
 276             Intent intent = new Intent(mFileActivity, OperationsService.class);
 277             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 278             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 279             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 280             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 281             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 282             mFileActivity.showLoadingDialog();
 283
 284         } else {
 285             Intent intent = new Intent(mFileActivity, OperationsService.class);
 286             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 287             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 288             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 289             mFileActivity.startService(intent);
 290
 291         }
 292     }
 293
 294     public void toggleFavorite(OCFile file, boolean isFavorite) {
 295         file.setFavorite(isFavorite);
 296         mFileActivity.getStorageManager().saveFile(file);
 297
 298         /// register the OCFile instance in the observer service to monitor local updates
 299         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 300                 mFileActivity,
 301                 file,
 302                 mFileActivity.getAccount(),
 303                 isFavorite);
 304         mFileActivity.startService(observedFileIntent);
 305
 306         /// immediate content synchronization
 307         if (file.isFavorite()) {
 308             syncFile(file);
 309         }
 310     }
 311
 312     public void renameFile(OCFile file, String newFilename) {
 313         // RenameFile
 314         Intent service = new Intent(mFileActivity, OperationsService.class);
 315         service.setAction(OperationsService.ACTION_RENAME);
 316         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 317         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 318         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 319         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 320
 321         mFileActivity.showLoadingDialog();
 322     }
 323
 324
 325     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 326         // RemoveFile
 327         Intent service = new Intent(mFileActivity, OperationsService.class);
 328         service.setAction(OperationsService.ACTION_REMOVE);
 329         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 330         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 331         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 332         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 333
 334         mFileActivity.showLoadingDialog();
 335     }
 336
 337
 338     public void createFolder(String remotePath, boolean createFullPath) {
 339         // Create Folder
 340         Intent service = new Intent(mFileActivity, OperationsService.class);
 341         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 342         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 343         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 344         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 345         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 346
 347         mFileActivity.showLoadingDialog();
 348     }
 349
 350     /**
 351      * Cancel the transference in downloads (files/folders) and file uploads
 352      * @param file OCFile
 353      */
 354     public void cancelTransference(OCFile file) {
 355         Account account = mFileActivity.getAccount();
 356         if (file.isFolder()) {
 357             OperationsService.OperationsServiceBinder opsBinder = mFileActivity.getOperationsServiceBinder();
 358             if (opsBinder != null) {
 359                 opsBinder.cancel(account, file);
 360             }
 361         }
 362
 363         // for both files and folders
 364         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 365         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 366             downloaderBinder.cancel(account, file);
 367         }
 368         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 369         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 370             uploaderBinder.cancel(account, file);
 371         }
 372     }
 373
 374     /**
 375      * Start move file operation
 376      *
 377      * @param newfile     File where it is going to be moved
 378      * @param currentFile File with the previous info
 379      */
 380     public void moveFile(OCFile newfile, OCFile currentFile) {
 381         // Move files
 382         Intent service = new Intent(mFileActivity, OperationsService.class);
 383         service.setAction(OperationsService.ACTION_MOVE_FILE);
 384         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 385         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 386         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 387         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 388
 389         mFileActivity.showLoadingDialog();
 390     }
 391
 392     /**
 393      * Start copy file operation
 394      *
 395      * @param newfile     File where it is going to be moved
 396      * @param currentFile File with the previous info
 397      */
 398     public void copyFile(OCFile newfile, OCFile currentFile) {
 399         // Copy files
 400         Intent service = new Intent(mFileActivity, OperationsService.class);
 401         service.setAction(OperationsService.ACTION_COPY_FILE);
 402         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 403         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 404         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 405         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 406
 407         mFileActivity.showLoadingDialog();
 408     }
 409
 410     public long getOpIdWaitingFor() {
 411         return mWaitingForOpId;
 412     }
 413
 414
 415     public void setOpIdWaitingFor(long waitingForOpId) {
 416         mWaitingForOpId = waitingForOpId;
 417     }
 418
 419     /**
 420      *  @return 'True' if the server doesn't need to check forbidden characters
 421      */
 422     public boolean isVersionWithForbiddenCharacters() {
 423         if (mFileActivity.getAccount() != null) {
 424             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 425             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 426         }
 427         return false;
 428     }
 429 }