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