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