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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author masensio
   5  *   @author David A. Velasco
   6  *   Copyright (C) 2015 ownCloud Inc.
   7  *
   8  *   This program is free software: you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License version 2,
  10  *   as published by the Free Software Foundation.
  11  *
  12  *   This program is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 package com.owncloud.android.files;
  23
  24 import org.apache.http.protocol.HTTP;
  25
  26 import android.accounts.Account;
  27 import android.accounts.AccountManager;
  28 import android.content.Intent;
  29 import android.net.Uri;
  30 import android.support.v4.app.DialogFragment;
  31 import android.webkit.MimeTypeMap;
  32 import android.widget.Toast;
  33
  34 import com.owncloud.android.R;
  35 import com.owncloud.android.datamodel.OCFile;
  36 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  37 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  38
  39 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  40 import com.owncloud.android.lib.common.network.WebdavUtils;
  41 import com.owncloud.android.lib.common.utils.Log_OC;
  42 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  43 import com.owncloud.android.services.OperationsService;
  44 import com.owncloud.android.ui.activity.FileActivity;
  45 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
  46
  47 /**
  48  *
  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     /// Identifier of operation in progress which result shouldn't be lost
  59     private long mWaitingForOpId = Long.MAX_VALUE;
  60
  61     public FileOperationsHelper(FileActivity fileActivity) {
  62         mFileActivity = fileActivity;
  63     }
  64
  65
  66     public void openFile(OCFile file) {
  67         if (file != null) {
  68             String storagePath = file.getStoragePath();
  69             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  70
  71             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  72             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
  73             intentForSavedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
  74
  75             Intent intentForGuessedMimeType = null;
  76             if (storagePath.lastIndexOf('.') >= 0) {
  77                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(storagePath.substring(storagePath.lastIndexOf('.') + 1));
  78                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  79                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  80                     intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
  81                     intentForGuessedMimeType.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
  82                 }
  83             }
  84
  85             Intent chooserIntent = null;
  86             if (intentForGuessedMimeType != null) {
  87                 chooserIntent = Intent.createChooser(intentForGuessedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
  88             } else {
  89                 chooserIntent = Intent.createChooser(intentForSavedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
  90             }
  91
  92             mFileActivity.startActivity(chooserIntent);
  93
  94         } else {
  95             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
  96         }
  97     }
  98
  99
 100     public void shareFileWithLink(OCFile file) {
 101
 102         if (isSharedSupported()) {
 103             if (file != null) {
 104                 String link = "https://fake.url";
 105                 Intent intent = createShareWithLinkIntent(link);
 106                 String[] packagesToExclude = new String[] { mFileActivity.getPackageName() };
 107                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent, packagesToExclude, file);
 108                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 109
 110             } else {
 111                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 112             }
 113
 114         } else {
 115             // Show a Message
 116             Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 117             t.show();
 118         }
 119     }
 120
 121
 122     public void shareFileWithLinkToApp(OCFile file, Intent sendIntent) {
 123
 124         if (file != null) {
 125             mFileActivity.showLoadingDialog();
 126
 127             Intent service = new Intent(mFileActivity, OperationsService.class);
 128             service.setAction(OperationsService.ACTION_CREATE_SHARE);
 129             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 130             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 131             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 132             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 133
 134         } else {
 135             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 136         }
 137     }
 138
 139
 140     private Intent createShareWithLinkIntent(String link) {
 141         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 142         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 143         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 144         return intentToShareLink;
 145     }
 146
 147
 148     /**
 149      *  @return 'True' if the server supports the Share API
 150      */
 151     public boolean isSharedSupported() {
 152         if (mFileActivity.getAccount() != null) {
 153             AccountManager accountManager = AccountManager.get(mFileActivity);
 154
 155             String version = accountManager.getUserData(mFileActivity.getAccount(), Constants.KEY_OC_VERSION);
 156             return (new OwnCloudVersion(version)).isSharedSupported();
 157         }
 158         return false;
 159     }
 160
 161
 162     public void unshareFileWithLink(OCFile file) {
 163
 164         if (isSharedSupported()) {
 165             // Unshare the file
 166             Intent service = new Intent(mFileActivity, OperationsService.class);
 167             service.setAction(OperationsService.ACTION_UNSHARE);
 168             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 169             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 170             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 171
 172             mFileActivity.showLoadingDialog();
 173
 174         } else {
 175             // Show a Message
 176             Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 177             t.show();
 178
 179         }
 180     }
 181
 182     public void sendDownloadedFile(OCFile file) {
 183         if (file != null) {
 184             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 185             // set MimeType
 186             sendIntent.setType(file.getMimetype());
 187             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + file.getStoragePath()));
 188             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 189
 190             // Show dialog, without the own app
 191             String[] packagesToExclude = new String[] { mFileActivity.getPackageName() };
 192             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 193             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 194
 195         } else {
 196             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 197         }
 198     }
 199
 200
 201     public void syncFile(OCFile file) {
 202
 203         if (!file.isFolder()){
 204             Intent intent = new Intent(mFileActivity, OperationsService.class);
 205             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 206             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 207             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 208             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 209             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 210             mFileActivity.showLoadingDialog();
 211
 212         } else {
 213             Intent intent = new Intent(mFileActivity, OperationsService.class);
 214             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 215             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 216             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 217             mFileActivity.startService(intent);
 218         }
 219     }
 220
 221     public void renameFile(OCFile file, String newFilename) {
 222         // RenameFile
 223         Intent service = new Intent(mFileActivity, OperationsService.class);
 224         service.setAction(OperationsService.ACTION_RENAME);
 225         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 226         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 227         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 228         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 229
 230         mFileActivity.showLoadingDialog();
 231     }
 232
 233
 234     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 235         // RemoveFile
 236         Intent service = new Intent(mFileActivity, OperationsService.class);
 237         service.setAction(OperationsService.ACTION_REMOVE);
 238         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 239         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 240         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 241         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 242
 243         mFileActivity.showLoadingDialog();
 244     }
 245
 246
 247     public void createFolder(String remotePath, boolean createFullPath) {
 248         // Create Folder
 249         Intent service = new Intent(mFileActivity, OperationsService.class);
 250         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 251         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 252         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 253         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 254         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 255
 256         mFileActivity.showLoadingDialog();
 257     }
 258
 259     /**
 260      * Cancel the transference in downloads (files/folders) and file uploads
 261      * @param file OCFile
 262      */
 263     public void cancelTransference(OCFile file) {
 264         Account account = mFileActivity.getAccount();
 265         if (file.isFolder()) {
 266             OperationsService.OperationsServiceBinder opsBinder = mFileActivity.getOperationsServiceBinder();
 267             if (opsBinder != null) {
 268                 opsBinder.cancel(account, file);
 269             }
 270         }
 271
 272         // for both files and folders
 273         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 274         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 275         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 276             downloaderBinder.cancel(account, file);
 277
 278             // TODO - review why is this here, and solve in a better way
 279             // Remove etag for parent, if file is a keep_in_sync
 280             if (file.keepInSync()) {
 281                 OCFile parent = mFileActivity.getStorageManager().getFileById(file.getParentId());
 282                 parent.setEtag("");
 283                 mFileActivity.getStorageManager().saveFile(parent);
 284             }
 285
 286         } else if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 287             uploaderBinder.cancel(account, file);
 288         }
 289     }
 290
 291     /**
 292      * Start move file operation
 293      * @param newfile           File where it is going to be moved
 294      * @param currentFile       File with the previous info
 295      */
 296     public void moveFile(OCFile newfile, OCFile currentFile) {
 297         // Move files
 298         Intent service = new Intent(mFileActivity, OperationsService.class);
 299         service.setAction(OperationsService.ACTION_MOVE_FILE);
 300         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 301         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 302         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 303         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 304
 305         mFileActivity.showLoadingDialog();
 306     }
 307
 308
 309     public long getOpIdWaitingFor() {
 310         return mWaitingForOpId;
 311     }
 312
 313
 314     public void setOpIdWaitingFor(long waitingForOpId) {
 315         mWaitingForOpId = waitingForOpId;
 316     }
 317
 318
 319 }