src/com/owncloud/android/files/FileOperationsHelper.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012-2014 ownCloud Inc.
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License version 2,
   6  *   as published by the Free Software Foundation.
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details.
  12  *
  13  *   You should have received a copy of the GNU General Public License
  14  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17
  18 package com.owncloud.android.files;
  19
  20 import org.apache.http.protocol.HTTP;
  21
  22 import android.accounts.AccountManager;
  23 import android.content.Intent;
  24 import android.net.Uri;
  25 import android.sax.StartElementListener;
  26 import android.support.v4.app.DialogFragment;
  27 import android.webkit.MimeTypeMap;
  28 import android.widget.Toast;
  29
  30 import com.owncloud.android.R;
  31 import com.owncloud.android.datamodel.OCFile;
  32 import com.owncloud.android.lib.accounts.OwnCloudAccount;
  33 import com.owncloud.android.lib.network.webdav.WebdavUtils;
  34 import com.owncloud.android.lib.operations.common.ShareType;
  35 import com.owncloud.android.operations.CreateShareOperation;
  36 import com.owncloud.android.operations.UnshareLinkOperation;
  37 import com.owncloud.android.services.OperationsService;
  38 import com.owncloud.android.ui.activity.FileActivity;
  39 import com.owncloud.android.ui.dialog.ActivityChooserDialog;
  40 import com.owncloud.android.utils.Log_OC;
  41
  42 /**
  43  *
  44  * @author masensio
  45  * @author David A. Velasco
  46  */
  47 public class FileOperationsHelper {
  48
  49     private static final String TAG = FileOperationsHelper.class.getName();
  50
  51     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  52
  53
  54     public void openFile(OCFile file, FileActivity callerActivity) {
  55         if (file != null) {
  56             String storagePath = file.getStoragePath();
  57             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  58
  59             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  60             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
  61             intentForSavedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
  62
  63             Intent intentForGuessedMimeType = null;
  64             if (storagePath.lastIndexOf('.') >= 0) {
  65                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
  66                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  67                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  68                     intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
  69                     intentForGuessedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
  70                 }
  71             }
  72
  73             Intent chooserIntent = null;
  74             if (intentForGuessedMimeType != null) {
  75                 chooserIntent = Intent.createChooser(intentForGuessedMimeType, callerActivity.getString(R.string.actionbar_open_with));
  76             } else {
  77                 chooserIntent = Intent.createChooser(intentForSavedMimeType, callerActivity.getString(R.string.actionbar_open_with));
  78             }
  79
  80             callerActivity.startActivity(chooserIntent);
  81
  82         } else {
  83             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
  84         }
  85     }
  86
  87
  88     public void shareFileWithLink(OCFile file, FileActivity callerActivity) {
  89
  90         if (isSharedSupported(callerActivity)) {
  91             if (file != null) {
  92                 String link = "https://fake.url";
  93                 Intent intent = createShareWithLinkIntent(link);
  94                 String[] packagesToExclude = new String[] { callerActivity.getPackageName() };
  95                 DialogFragment chooserDialog = ActivityChooserDialog.newInstance(intent, packagesToExclude, file);
  96                 chooserDialog.show(callerActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
  97
  98             } else {
  99                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 100             }
 101
 102         } else {
 103             // Show a Message
 104             Toast t = Toast.makeText(callerActivity, callerActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 105             t.show();
 106         }
 107     }
 108
 109
 110     public void shareFileWithLinkToApp(OCFile file, Intent sendIntent, FileActivity callerActivity) {
 111
 112         if (file != null) {
 113             callerActivity.showLoadingDialog();
 114
 115             Intent service = new Intent(callerActivity, OperationsService.class);
 116             service.setAction(OperationsService.ACTION_CREATE_SHARE);
 117             service.putExtra(OperationsService.EXTRA_ACCOUNT, callerActivity.getAccount());
 118             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 119             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 120             callerActivity.startService(service);
 121
 122         } else {
 123             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 124         }
 125     }
 126
 127
 128     private Intent createShareWithLinkIntent(String link) {
 129         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 130         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 131         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 132         return intentToShareLink;
 133     }
 134
 135
 136     /**
 137      *  @return 'True' if the server supports the Share API
 138      */
 139     public boolean isSharedSupported(FileActivity callerActivity) {
 140         if (callerActivity.getAccount() != null) {
 141             AccountManager accountManager = AccountManager.get(callerActivity);
 142             return Boolean.parseBoolean(accountManager.getUserData(callerActivity.getAccount(), OwnCloudAccount.Constants.KEY_SUPPORTS_SHARE_API));
 143         }
 144         return false;
 145     }
 146
 147
 148     public void unshareFileWithLink(OCFile file, FileActivity callerActivity) {
 149
 150         if (isSharedSupported(callerActivity)) {
 151             // Unshare the file
 152             UnshareLinkOperation unshare = new UnshareLinkOperation(file, callerActivity);
 153             unshare.execute(callerActivity.getStorageManager(),
 154                     callerActivity,
 155                     callerActivity.getRemoteOperationListener(),
 156                     callerActivity.getHandler(),
 157                     callerActivity);
 158
 159             callerActivity.showLoadingDialog();
 160
 161         } else {
 162             // Show a Message
 163             Toast t = Toast.makeText(callerActivity, callerActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 164             t.show();
 165
 166         }
 167     }
 168 }