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.operations.UnshareLinkOperation;
  36 import com.owncloud.android.ui.activity.FileActivity;
  37 import com.owncloud.android.ui.dialog.ActivityChooserDialog;
  38 import com.owncloud.android.utils.Log_OC;
  39
  40 /**
  41  *
  42  * @author masensio
  43  * @author David A. Velasco
  44  */
  45 public class FileOperationsHelper {
  46
  47     private static final String TAG = FileOperationsHelper.class.getName();
  48
  49     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  50
  51
  52     public void openFile(OCFile file, FileActivity callerActivity) {
  53         if (file != null) {
  54             String storagePath = file.getStoragePath();
  55             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  56
  57             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  58             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
  59             intentForSavedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
  60
  61             Intent intentForGuessedMimeType = null;
  62             if (storagePath.lastIndexOf('.') >= 0) {
  63                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
  64                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  65                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  66                     intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
  67                     intentForGuessedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
  68                 }
  69             }
  70
  71             Intent chooserIntent = null;
  72             if (intentForGuessedMimeType != null) {
  73                 chooserIntent = Intent.createChooser(intentForGuessedMimeType, callerActivity.getString(R.string.actionbar_open_with));
  74             } else {
  75                 chooserIntent = Intent.createChooser(intentForSavedMimeType, callerActivity.getString(R.string.actionbar_open_with));
  76             }
  77
  78             callerActivity.startActivity(chooserIntent);
  79
  80         } else {
  81             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
  82         }
  83     }
  84
  85
  86     public void shareFileWithLink(OCFile file, FileActivity callerActivity) {
  87
  88         if (isSharedSupported(callerActivity)) {
  89             if (file != null) {
  90                 String link = "https://fake.url";
  91                 Intent intent = createShareWithLinkIntent(link);
  92                 String[] packagesToExclude = new String[] { callerActivity.getPackageName() };
  93                 DialogFragment chooserDialog = ActivityChooserDialog.newInstance(intent, packagesToExclude, file);
  94                 chooserDialog.show(callerActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
  95
  96             } else {
  97                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
  98             }
  99
 100         } else {
 101             // Show a Message
 102             Toast t = Toast.makeText(callerActivity, callerActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 103             t.show();
 104         }
 105     }
 106
 107
 108     public void shareFileWithLinkToApp(OCFile file, Intent sendIntent, FileActivity callerActivity) {
 109
 110         if (file != null) {
 111             callerActivity.showLoadingDialog();
 112             CreateShareOperation createShare = new CreateShareOperation(file.getRemotePath(), ShareType.PUBLIC_LINK, "", false, "", 1, sendIntent);
 113             createShare.execute(callerActivity.getStorageManager(),
 114                                 callerActivity,
 115                                 callerActivity.getRemoteOperationListener(),
 116                                 callerActivity.getHandler(),
 117                                 callerActivity);
 118
 119         } else {
 120             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 121         }
 122     }
 123
 124
 125     private Intent createShareWithLinkIntent(String link) {
 126         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 127         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 128         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 129         return intentToShareLink;
 130     }
 131
 132
 133     /**
 134      *  @return 'True' if the server supports the Share API
 135      */
 136     public boolean isSharedSupported(FileActivity callerActivity) {
 137         if (callerActivity.getAccount() != null) {
 138             AccountManager accountManager = AccountManager.get(callerActivity);
 139             return Boolean.parseBoolean(accountManager.getUserData(callerActivity.getAccount(), OwnCloudAccount.Constants.KEY_SUPPORTS_SHARE_API));
 140         }
 141         return false;
 142     }
 143
 144
 145     public void unshareFileWithLink(OCFile file, FileActivity callerActivity) {
 146
 147         if (isSharedSupported(callerActivity)) {
 148             // Unshare the file
 149             UnshareLinkOperation unshare = new UnshareLinkOperation(file);
 150             unshare.execute(callerActivity.getStorageManager(),
 151                     callerActivity,
 152                     callerActivity.getRemoteOperationListener(),
 153                     callerActivity.getHandler(),
 154                     callerActivity);
 155
 156             callerActivity.showLoadingDialog();
 157
 158         } else {
 159             // Show a Message
 160             Toast t = Toast.makeText(callerActivity, callerActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 161             t.show();
 162
 163         }
 164     }
 165 }