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 android.accounts.Account;
  25 import android.content.Intent;
  26 import android.net.Uri;
  27 import android.support.v4.app.DialogFragment;
  28 import android.webkit.MimeTypeMap;
  29 import android.widget.Toast;
  30
  31 import com.owncloud.android.R;
  32 import com.owncloud.android.authentication.AccountUtils;
  33 import com.owncloud.android.datamodel.OCFile;
  34 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  35 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  36 import com.owncloud.android.lib.common.network.WebdavUtils;
  37 import com.owncloud.android.lib.common.utils.Log_OC;
  38 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  39 import com.owncloud.android.services.OperationsService;
  40 import com.owncloud.android.services.observer.FileObserverService;
  41 import com.owncloud.android.ui.activity.FileActivity;
  42 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
  43
  44 import org.apache.http.protocol.HTTP;
  45
  46 /**
  47  *
  48  */
  49 public class FileOperationsHelper {
  50
  51     private static final String TAG = FileOperationsHelper.class.getName();
  52
  53     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  54
  55     protected FileActivity mFileActivity = null;
  56
  57     /// Identifier of operation in progress which result shouldn't be lost
  58     private long mWaitingForOpId = Long.MAX_VALUE;
  59
  60     public FileOperationsHelper(FileActivity fileActivity) {
  61         mFileActivity = fileActivity;
  62     }
  63
  64
  65     public void openFile(OCFile file) {
  66         if (file != null) {
  67             String storagePath = file.getStoragePath();
  68             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  69
  70             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  71             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
  72             intentForSavedMimeType.setFlags(
  73                     Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  74             );
  75
  76             Intent intentForGuessedMimeType = null;
  77             if (storagePath.lastIndexOf('.') >= 0) {
  78                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
  79                         storagePath.substring(storagePath.lastIndexOf('.') + 1)
  80                 );
  81                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
  82                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
  83                     intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
  84                     intentForGuessedMimeType.setFlags(
  85                             Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  86                     );
  87                 }
  88             }
  89
  90             Intent chooserIntent;
  91             if (intentForGuessedMimeType != null) {
  92                 chooserIntent = Intent.createChooser(intentForGuessedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
  93             } else {
  94                 chooserIntent = Intent.createChooser(intentForSavedMimeType, mFileActivity.getString(R.string.actionbar_open_with));
  95             }
  96
  97             mFileActivity.startActivity(chooserIntent);
  98
  99         } else {
 100             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 101         }
 102     }
 103
 104
 105     public void shareFileWithLink(OCFile file) {
 106
 107         if (isSharedSupported()) {
 108             if (file != null) {
 109                 String link = "https://fake.url";
 110                 Intent intent = createShareWithLinkIntent(link);
 111                 String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 112                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent, packagesToExclude, file);
 113                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 114
 115             } else {
 116                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 117             }
 118
 119         } else {
 120             // Show a Message
 121             Toast t = Toast.makeText(
 122                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG
 123             );
 124             t.show();
 125         }
 126     }
 127
 128
 129     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 130
 131         if (file != null) {
 132             mFileActivity.showLoadingDialog();
 133
 134             Intent service = new Intent(mFileActivity, OperationsService.class);
 135             service.setAction(OperationsService.ACTION_CREATE_SHARE);
 136             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 137             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 138             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 139             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 140             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 141
 142         } else {
 143             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 144         }
 145     }
 146
 147
 148     private Intent createShareWithLinkIntent(String link) {
 149         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 150         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 151         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 152         return intentToShareLink;
 153     }
 154
 155
 156     /**
 157      * @return 'True' if the server supports the Share API
 158      */
 159     public boolean isSharedSupported() {
 160         if (mFileActivity.getAccount() != null) {
 161             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 162             return (serverVersion != null && serverVersion.isSharedSupported());
 163         }
 164         return false;
 165     }
 166
 167
 168     public void unshareFileWithLink(OCFile file) {
 169
 170         if (isSharedSupported()) {
 171             // Unshare the file
 172             Intent service = new Intent(mFileActivity, OperationsService.class);
 173             service.setAction(OperationsService.ACTION_UNSHARE);
 174             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 175             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 176             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 177
 178             mFileActivity.showLoadingDialog();
 179
 180         } else {
 181             // Show a Message
 182             Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 183             t.show();
 184
 185         }
 186     }
 187
 188     public void sendDownloadedFile(OCFile file) {
 189         if (file != null) {
 190             String storagePath = file.getStoragePath();
 191             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 192             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 193             // set MimeType
 194             sendIntent.setType(file.getMimetype());
 195             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 196             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 197
 198             // Show dialog, without the own app
 199             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 200             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 201             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 202
 203         } else {
 204             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 205         }
 206     }
 207
 208
 209     public void syncFile(OCFile file) {
 210
 211         if (!file.isFolder()){
 212             Intent intent = new Intent(mFileActivity, OperationsService.class);
 213             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 214             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 215             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 216             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 217             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 218             mFileActivity.showLoadingDialog();
 219
 220         } else {
 221             Intent intent = new Intent(mFileActivity, OperationsService.class);
 222             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 223             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 224             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 225             mFileActivity.startService(intent);
 226         }
 227     }
 228
 229     public void toggleFavorite(OCFile file, boolean isFavorite) {
 230         file.setFavorite(isFavorite);
 231         mFileActivity.getStorageManager().saveFile(file);
 232
 233         /// register the OCFile instance in the observer service to monitor local updates
 234         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 235                 mFileActivity,
 236                 file,
 237                 mFileActivity.getAccount(),
 238                 isFavorite);
 239         mFileActivity.startService(observedFileIntent);
 240
 241         /// immediate content synchronization
 242         if (file.isFavorite()) {
 243             syncFile(file);
 244         }
 245     }
 246
 247     public void renameFile(OCFile file, String newFilename) {
 248         // RenameFile
 249         Intent service = new Intent(mFileActivity, OperationsService.class);
 250         service.setAction(OperationsService.ACTION_RENAME);
 251         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 252         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 253         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 254         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 255
 256         mFileActivity.showLoadingDialog();
 257     }
 258
 259
 260     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 261         // RemoveFile
 262         Intent service = new Intent(mFileActivity, OperationsService.class);
 263         service.setAction(OperationsService.ACTION_REMOVE);
 264         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 265         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 266         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 267         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 268
 269         mFileActivity.showLoadingDialog();
 270     }
 271
 272
 273     public void createFolder(String remotePath, boolean createFullPath) {
 274         // Create Folder
 275         Intent service = new Intent(mFileActivity, OperationsService.class);
 276         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 277         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 278         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 279         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 280         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 281
 282         mFileActivity.showLoadingDialog();
 283     }
 284
 285     /**
 286      * Cancel the transference in downloads (files/folders) and file uploads
 287      * @param file OCFile
 288      */
 289     public void cancelTransference(OCFile file) {
 290         Account account = mFileActivity.getAccount();
 291         if (file.isFolder()) {
 292             OperationsService.OperationsServiceBinder opsBinder = mFileActivity.getOperationsServiceBinder();
 293             if (opsBinder != null) {
 294                 opsBinder.cancel(account, file);
 295             }
 296         }
 297
 298         // for both files and folders
 299         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 300         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 301         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 302             downloaderBinder.cancel(account, file);
 303
 304             // TODO - review why is this here, and solve in a better way
 305             // Remove etag for parent, if file is a favorite
 306             if (file.isFavorite()) {
 307                 OCFile parent = mFileActivity.getStorageManager().getFileById(file.getParentId());
 308                 parent.setEtag("");
 309                 mFileActivity.getStorageManager().saveFile(parent);
 310             }
 311
 312         } else if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 313             uploaderBinder.cancel(account, file);
 314         }
 315     }
 316
 317     /**
 318      * Start move file operation
 319      *
 320      * @param newfile     File where it is going to be moved
 321      * @param currentFile File with the previous info
 322      */
 323     public void moveFile(OCFile newfile, OCFile currentFile) {
 324         // Move files
 325         Intent service = new Intent(mFileActivity, OperationsService.class);
 326         service.setAction(OperationsService.ACTION_MOVE_FILE);
 327         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 328         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 329         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 330         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 331
 332         mFileActivity.showLoadingDialog();
 333     }
 334
 335     /**
 336      * Start copy file operation
 337      *
 338      * @param newfile     File where it is going to be moved
 339      * @param currentFile File with the previous info
 340      */
 341     public void copyFile(OCFile newfile, OCFile currentFile) {
 342         // Copy files
 343         Intent service = new Intent(mFileActivity, OperationsService.class);
 344         service.setAction(OperationsService.ACTION_COPY_FILE);
 345         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 346         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 347         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 348         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 349
 350         mFileActivity.showLoadingDialog();
 351     }
 352
 353     public long getOpIdWaitingFor() {
 354         return mWaitingForOpId;
 355     }
 356
 357
 358     public void setOpIdWaitingFor(long waitingForOpId) {
 359         mWaitingForOpId = waitingForOpId;
 360     }
 361
 362     /**
 363      *  @return 'True' if the server doesn't need to check forbidden characters
 364      */
 365     public boolean isVersionWithForbiddenCharacters() {
 366         if (mFileActivity.getAccount() != null) {
 367             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 368             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 369         }
 370         return false;
 371     }
 372 }