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