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.ShareLinkToDialog;
  47
  48 import org.apache.http.protocol.HTTP;
  49
  50 import java.io.File;
  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), file.getMimetype());
  79             intentForSavedMimeType.setFlags(
  80                     Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  81             );
  82
  83             Intent intentForGuessedMimeType = null;
  84             if (storagePath.lastIndexOf('.') >= 0) {
  85                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
  86                         storagePath.substring(storagePath.lastIndexOf('.') + 1)
  87                 );
  88                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  89                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  90                     intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
  91                     intentForGuessedMimeType.setFlags(
  92                             Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  93                     );
  94                 }
  95             }
  96
  97             Intent openFileWithIntent;
  98             if (intentForGuessedMimeType != null) {
  99                 openFileWithIntent = intentForGuessedMimeType;
 100             } else {
 101                 openFileWithIntent = intentForSavedMimeType;
 102             }
 103
 104             List<ResolveInfo> launchables = mFileActivity.getPackageManager().
 105                     queryIntentActivities(openFileWithIntent, PackageManager.GET_INTENT_FILTERS);
 106
 107             if(launchables != null && launchables.size() > 0) {
 108                 try {
 109                     mFileActivity.startActivity(
 110                             Intent.createChooser(
 111                                     openFileWithIntent, mFileActivity.getString(R.string.actionbar_open_with)
 112                             )
 113                     );
 114                 } catch (ActivityNotFoundException anfe) {
 115                     showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 116                 }
 117             } else {
 118                 showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 119             }
 120
 121         } else {
 122             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 123         }
 124     }
 125
 126     /**
 127      * Displays a toast stating that no application could be found to open the file.
 128      *
 129      * @param context the context to be able to show a toast.
 130      */
 131     private void showNoAppForFileTypeToast(Context context) {
 132         Toast.makeText(context,
 133                 R.string.file_list_no_app_for_file_type, Toast.LENGTH_SHORT)
 134                 .show();
 135     }
 136
 137     public void shareFileWithLink(OCFile file) {
 138
 139         if (isSharedSupported()) {
 140             if (file != null) {
 141                 String link = "https://fake.url";
 142                 Intent intent = createShareWithLinkIntent(link);
 143                 String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 144                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent, packagesToExclude, file);
 145                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 146
 147             } else {
 148                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 149             }
 150
 151         } else {
 152             // Show a Message
 153             Toast t = Toast.makeText(
 154                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG
 155             );
 156             t.show();
 157         }
 158     }
 159
 160
 161     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 162
 163         if (file != null) {
 164             mFileActivity.showLoadingDialog();
 165
 166             Intent service = new Intent(mFileActivity, OperationsService.class);
 167             service.setAction(OperationsService.ACTION_CREATE_SHARE);
 168             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 169             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 170             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 171             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 172             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 173
 174         } else {
 175             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 176         }
 177     }
 178
 179
 180     private Intent createShareWithLinkIntent(String link) {
 181         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 182         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 183         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 184         return intentToShareLink;
 185     }
 186
 187
 188     /**
 189      * @return 'True' if the server supports the Share API
 190      */
 191     public boolean isSharedSupported() {
 192         if (mFileActivity.getAccount() != null) {
 193             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 194             return (serverVersion != null && serverVersion.isSharedSupported());
 195         }
 196         return false;
 197     }
 198
 199
 200     public void unshareFileWithLink(OCFile file) {
 201
 202         if (isSharedSupported()) {
 203             // Unshare the file
 204             Intent service = new Intent(mFileActivity, OperationsService.class);
 205             service.setAction(OperationsService.ACTION_UNSHARE);
 206             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 207             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 208             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 209
 210             mFileActivity.showLoadingDialog();
 211
 212         } else {
 213             // Show a Message
 214             Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 215             t.show();
 216
 217         }
 218     }
 219
 220     public void sendDownloadedFile(OCFile file) {
 221         if (file != null) {
 222             String storagePath = file.getStoragePath();
 223             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 224             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 225             // set MimeType
 226             sendIntent.setType(file.getMimetype());
 227             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 228             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 229
 230             // Show dialog, without the own app
 231             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 232             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 233             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 234
 235         } else {
 236             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 237         }
 238     }
 239
 240     public void setPictureAs(OCFile file) {
 241         if (file != null) {
 242             if (file.isDown()) {
 243                 File externalFile=new File(file.getStoragePath());
 244                 Uri sendUri = Uri.fromFile(externalFile);
 245                 Intent intent = new Intent(Intent.ACTION_ATTACH_DATA);
 246                 intent.setDataAndType(sendUri, file.getMimetype());
 247                 intent.putExtra("mimeType", file.getMimetype());
 248                 mFileActivity.startActivityForResult(Intent.createChooser(intent, "Set As"), 200);
 249             } else {
 250                 // TODO re-enable after resized images is available
 251 //                Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 252 //                // set MimeType
 253 //                sendIntent.setType(file.getMimetype());
 254 ////            sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("content://" + DiskLruImageCacheFileProvider.AUTHORITY + "/#" + file.getRemoteId() + "#" + file.getFileName()));
 255 //                sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("content://" + DiskLruImageCacheFileProvider.AUTHORITY + file.getRemotePath()));
 256 //                sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 257 //
 258 //                // Show dialog, without the own app
 259 //                String[] packagesToExclude = new String[] { mFileActivity.getPackageName() };
 260 //                DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 261 //                chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 262             }
 263         } else {
 264             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 265         }
 266     }
 267
 268     /**
 269      * Request the synchronization of a file or folder with the OC server, including its contents.
 270      *
 271      * @param file          The file or folder to synchronize
 272      */
 273     public void syncFile(OCFile file) {
 274         if (!file.isFolder()){
 275             Intent intent = new Intent(mFileActivity, OperationsService.class);
 276             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 277             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 278             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 279             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 280             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 281             mFileActivity.showLoadingDialog();
 282
 283         } else {
 284             Intent intent = new Intent(mFileActivity, OperationsService.class);
 285             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 286             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 287             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 288             mFileActivity.startService(intent);
 289
 290         }
 291     }
 292
 293     public void toggleFavorite(OCFile file, boolean isFavorite) {
 294         file.setFavorite(isFavorite);
 295         mFileActivity.getStorageManager().saveFile(file);
 296
 297         /// register the OCFile instance in the observer service to monitor local updates
 298         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 299                 mFileActivity,
 300                 file,
 301                 mFileActivity.getAccount(),
 302                 isFavorite);
 303         mFileActivity.startService(observedFileIntent);
 304
 305         /// immediate content synchronization
 306         if (file.isFavorite()) {
 307             syncFile(file);
 308         }
 309     }
 310
 311     public void renameFile(OCFile file, String newFilename) {
 312         // RenameFile
 313         Intent service = new Intent(mFileActivity, OperationsService.class);
 314         service.setAction(OperationsService.ACTION_RENAME);
 315         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 316         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 317         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 318         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 319
 320         mFileActivity.showLoadingDialog();
 321     }
 322
 323
 324     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 325         // RemoveFile
 326         Intent service = new Intent(mFileActivity, OperationsService.class);
 327         service.setAction(OperationsService.ACTION_REMOVE);
 328         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 329         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 330         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 331         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 332
 333         mFileActivity.showLoadingDialog();
 334     }
 335
 336
 337     public void createFolder(String remotePath, boolean createFullPath) {
 338         // Create Folder
 339         Intent service = new Intent(mFileActivity, OperationsService.class);
 340         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 341         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 342         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 343         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 344         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 345
 346         mFileActivity.showLoadingDialog();
 347     }
 348
 349     /**
 350      * Cancel the transference in downloads (files/folders) and file uploads
 351      * @param file OCFile
 352      */
 353     public void cancelTransference(OCFile file) {
 354         Account account = mFileActivity.getAccount();
 355         if (file.isFolder()) {
 356             OperationsService.OperationsServiceBinder opsBinder = mFileActivity.getOperationsServiceBinder();
 357             if (opsBinder != null) {
 358                 opsBinder.cancel(account, file);
 359             }
 360         }
 361
 362         // for both files and folders
 363         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 364         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 365             downloaderBinder.cancel(account, file);
 366         }
 367         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 368         if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 369             uploaderBinder.cancel(account, file);
 370         }
 371     }
 372
 373     /**
 374      * Start move file operation
 375      *
 376      * @param newfile     File where it is going to be moved
 377      * @param currentFile File with the previous info
 378      */
 379     public void moveFile(OCFile newfile, OCFile currentFile) {
 380         // Move files
 381         Intent service = new Intent(mFileActivity, OperationsService.class);
 382         service.setAction(OperationsService.ACTION_MOVE_FILE);
 383         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 384         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 385         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 386         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 387
 388         mFileActivity.showLoadingDialog();
 389     }
 390
 391     /**
 392      * Start copy file operation
 393      *
 394      * @param newfile     File where it is going to be moved
 395      * @param currentFile File with the previous info
 396      */
 397     public void copyFile(OCFile newfile, OCFile currentFile) {
 398         // Copy files
 399         Intent service = new Intent(mFileActivity, OperationsService.class);
 400         service.setAction(OperationsService.ACTION_COPY_FILE);
 401         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 402         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 403         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 404         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 405
 406         mFileActivity.showLoadingDialog();
 407     }
 408
 409     public long getOpIdWaitingFor() {
 410         return mWaitingForOpId;
 411     }
 412
 413
 414     public void setOpIdWaitingFor(long waitingForOpId) {
 415         mWaitingForOpId = waitingForOpId;
 416     }
 417
 418     /**
 419      *  @return 'True' if the server doesn't need to check forbidden characters
 420      */
 421     public boolean isVersionWithForbiddenCharacters() {
 422         if (mFileActivity.getAccount() != null) {
 423             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 424             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 425         }
 426         return false;
 427     }
 428 }