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.support.v4.app.DialogFragment;
  26 import android.webkit.MimeTypeMap;
  27 import android.widget.Toast;
  28
  29 import com.owncloud.android.R;
  30 import com.owncloud.android.datamodel.OCFile;
  31 import com.owncloud.android.lib.accounts.OwnCloudAccount;
  32 import com.owncloud.android.lib.network.webdav.WebdavUtils;
  33 import com.owncloud.android.lib.operations.common.ShareType;
  34 import com.owncloud.android.operations.CreateShareOperation;
  35 import com.owncloud.android.ui.activity.FileActivity;
  36 import com.owncloud.android.ui.dialog.ActivityChooserDialog;
  37 import com.owncloud.android.utils.Log_OC;
  38
  39 /**
  40  *
  41  * @author masensio
  42  * @author David A. Velasco
  43  */
  44 public class FileOperationsHelper {
  45
  46     private static final String TAG = FileOperationsHelper.class.getName();
  47
  48     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  49
  50
  51     public void openFile(OCFile file, FileActivity callerActivity) {
  52         if (file != null) {
  53             String storagePath = file.getStoragePath();
  54             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  55
  56             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  57             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
  58             intentForSavedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
  59
  60             Intent intentForGuessedMimeType = null;
  61             if (storagePath.lastIndexOf('.') >= 0) {
  62                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
  63                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  64                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  65                     intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
  66                     intentForGuessedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
  67                 }
  68             }
  69
  70             Intent chooserIntent = null;
  71             if (intentForGuessedMimeType != null) {
  72                 chooserIntent = Intent.createChooser(intentForGuessedMimeType, callerActivity.getString(R.string.actionbar_open_with));
  73             } else {
  74                 chooserIntent = Intent.createChooser(intentForSavedMimeType, callerActivity.getString(R.string.actionbar_open_with));
  75             }
  76
  77             callerActivity.startActivity(chooserIntent);
  78
  79         } else {
  80             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
  81         }
  82     }
  83
  84
  85     public void shareFileWithLink(OCFile file, FileActivity callerActivity) {
  86
  87         if (isSharedSupported(callerActivity)) {
  88             if (file != null) {
  89                 String link = "https://fake.url";
  90                 Intent intent = createShareWithLinkIntent(link);
  91                 String[] packagesToExclude = new String[] { callerActivity.getPackageName() };
  92                 DialogFragment chooserDialog = ActivityChooserDialog.newInstance(intent, packagesToExclude, file);
  93                 chooserDialog.show(callerActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
  94
  95             } else {
  96                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
  97             }
  98
  99         } else {
 100             // Show a Message
 101             Toast t = Toast.makeText(callerActivity, callerActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 102             t.show();
 103         }
 104     }
 105
 106
 107     public void shareFileWithLinkToApp(OCFile file, Intent sendIntent, FileActivity callerActivity) {
 108
 109         if (file != null) {
 110             CreateShareOperation createShare = new CreateShareOperation(file.getRemotePath(), ShareType.PUBLIC_LINK, "", false, "", 1, sendIntent);
 111             createShare.execute(callerActivity.getStorageManager(),
 112                                 callerActivity,
 113                                 callerActivity.getRemoteOperationListener(),
 114                                 callerActivity.getHandler(),
 115                                 callerActivity);
 116
 117         } else {
 118             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 119         }
 120     }
 121
 122
 123     private Intent createShareWithLinkIntent(String link) {
 124         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 125         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 126         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 127         return intentToShareLink;
 128     }
 129
 130
 131     /**
 132      *  @return 'True' if the server supports the Share API
 133      */
 134     public boolean isSharedSupported(FileActivity callerActivity) {
 135         if (callerActivity.getAccount() != null) {
 136             AccountManager accountManager = AccountManager.get(callerActivity);
 137             return Boolean.parseBoolean(accountManager.getUserData(callerActivity.getAccount(), OwnCloudAccount.Constants.KEY_SUPPORTS_SHARE_API));
 138         }
 139         return false;
 140     }
 141
 142 }