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.Account;
  23 import android.accounts.AccountManager;
  24 import android.content.Intent;
  25 import android.net.Uri;
  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
  33 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  34 import com.owncloud.android.lib.common.network.WebdavUtils;
  35 import com.owncloud.android.lib.common.operations.RemoteOperation;
  36 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  37 import com.owncloud.android.operations.RemoveFileOperation;
  38 import com.owncloud.android.operations.RenameFileOperation;
  39 import com.owncloud.android.operations.SynchronizeFileOperation;
  40 import com.owncloud.android.services.OperationsService;
  41 import com.owncloud.android.ui.activity.FileActivity;
  42 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
  43 import com.owncloud.android.utils.Log_OC;
  44
  45 /**
  46  *
  47  * @author masensio
  48  * @author David A. Velasco
  49  */
  50 public class FileOperationsHelper {
  51
  52     private static final String TAG = FileOperationsHelper.class.getName();
  53
  54     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  55
  56     protected FileActivity mFileActivity = null;
  57
  58     public FileOperationsHelper(FileActivity fileActivity) {
  59         mFileActivity = fileActivity;
  60     }
  61
  62
  63     public void openFile(OCFile file) {
  64         if (file != null) {
  65             String storagePath = file.getStoragePath();
  66             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  67
  68             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  69             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
  70             intentForSavedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
  71
  72             Intent intentForGuessedMimeType = null;
  73             if (storagePath.lastIndexOf('.') >= 0) {
  74                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
  75                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  76                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  77                     intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
  78                     intentForGuessedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
  79                 }
  80             }
  81
  82             Intent chooserIntent = null;
  83             if (intentForGuessedMimeType != null) {
  84                 chooserIntent = Intent.createChooser(intentForGuessedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
  85             } else {
  86                 chooserIntent = Intent.createChooser(intentForSavedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
  87             }
  88
  89             mFileActivity.startActivity(chooserIntent);
  90
  91         } else {
  92             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
  93         }
  94     }
  95
  96
  97     public void shareFileWithLink(OCFile file) {
  98
  99         if (isSharedSupported()) {
 100             if (file != null) {
 101                 String link = "https://fake.url";
 102                 Intent intent = createShareWithLinkIntent(link);
 103                 String[] packagesToExclude = new String[] { mFileActivity.getPackageName() };
 104                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent, packagesToExclude, file);
 105                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 106
 107             } else {
 108                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 109             }
 110
 111         } else {
 112             // Show a Message
 113             Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 114             t.show();
 115         }
 116     }
 117
 118
 119     public void shareFileWithLinkToApp(OCFile file, Intent sendIntent) {
 120
 121         if (file != null) {
 122             mFileActivity.showLoadingDialog();
 123
 124             Intent service = new Intent(mFileActivity, OperationsService.class);
 125             service.setAction(OperationsService.ACTION_CREATE_SHARE);
 126             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 127             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 128             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 129             mFileActivity.getOperationsServiceBinder().newOperation(service);
 130
 131         } else {
 132             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 133         }
 134     }
 135
 136
 137     private Intent createShareWithLinkIntent(String link) {
 138         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 139         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 140         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 141         return intentToShareLink;
 142     }
 143
 144
 145     /**
 146      *  @return 'True' if the server supports the Share API
 147      */
 148     public boolean isSharedSupported() {
 149         if (mFileActivity.getAccount() != null) {
 150             AccountManager accountManager = AccountManager.get(mFileActivity);
 151
 152             String version = accountManager.getUserData(mFileActivity.getAccount(), Constants.KEY_OC_VERSION);
 153             return (new OwnCloudVersion(version)).isSharedSupported();
 154         }
 155         return false;
 156     }
 157
 158
 159     public void unshareFileWithLink(OCFile file) {
 160
 161         if (isSharedSupported()) {
 162             // Unshare the file
 163             Intent service = new Intent(mFileActivity, OperationsService.class);
 164             service.setAction(OperationsService.ACTION_UNSHARE);
 165             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 166             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 167             mFileActivity.getOperationsServiceBinder().newOperation(service);
 168
 169             mFileActivity.showLoadingDialog();
 170
 171         } else {
 172             // Show a Message
 173             Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 174             t.show();
 175
 176         }
 177     }
 178
 179     public void sendDownloadedFile(OCFile file) {
 180         if (file != null) {
 181             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 182             // set MimeType
 183             sendIntent.setType(file.getMimetype());
 184             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + file.getStoragePath()));
 185             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 186
 187             // Show dialog, without the own app
 188             String[] packagesToExclude = new String[] { mFileActivity.getPackageName() };
 189             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 190             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 191
 192         } else {
 193             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 194         }
 195     }
 196
 197
 198     public void syncFile(OCFile file) {
 199         Account account = mFileActivity.getAccount();
 200         RemoteOperation operation = new SynchronizeFileOperation(
 201                 file,
 202                 null,
 203                 mFileActivity.getStorageManager(),
 204                 account,
 205                 true,
 206                 mFileActivity);
 207         operation.execute(account, mFileActivity, mFileActivity, mFileActivity.getHandler(), mFileActivity);
 208         mFileActivity.showLoadingDialog();
 209     }
 210
 211
 212     public void renameFile(OCFile file, String newFilename) {
 213         Account account = mFileActivity.getAccount();
 214         RemoteOperation operation = new RenameFileOperation(
 215                         file,
 216                         account,
 217                         newFilename,
 218                         mFileActivity.getStorageManager());
 219
 220         operation.execute(
 221                 account,
 222                 mFileActivity,
 223                 mFileActivity,
 224                 mFileActivity.getHandler(),
 225                 mFileActivity);
 226
 227         mFileActivity.showLoadingDialog();
 228     }
 229
 230
 231     public void removeFile(OCFile file, boolean removeLocalCopy) {
 232         Account account = mFileActivity.getAccount();
 233         RemoteOperation operation = new RemoveFileOperation(
 234                 file,
 235                 removeLocalCopy,
 236                 mFileActivity.getStorageManager());
 237
 238         operation.execute(
 239                 account,
 240                 mFileActivity,
 241                 mFileActivity,
 242                 mFileActivity.getHandler(),
 243                 mFileActivity);
 244
 245         mFileActivity.showLoadingDialog();
 246     }
 247
 248 }