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.ActivityNotFoundException;
  26 import android.content.Context;
  27 import android.content.Intent;
  28 import android.content.pm.PackageManager;
  29 import android.content.pm.ResolveInfo;
  30 import android.graphics.Bitmap;
  31 import android.net.Uri;
  32 import android.support.v4.app.DialogFragment;
  33 import android.webkit.MimeTypeMap;
  34 import android.widget.Toast;
  35
  36 import com.owncloud.android.MainApp;
  37 import com.owncloud.android.R;
  38 import com.owncloud.android.authentication.AccountUtils;
  39 import com.owncloud.android.datamodel.OCFile;
  40 import com.owncloud.android.datamodel.ThumbnailsCacheManager;
  41 import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
  42 import com.owncloud.android.files.services.FileUploader.FileUploaderBinder;
  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.services.observer.FileObserverService;
  48 import com.owncloud.android.ui.activity.FileActivity;
  49 import com.owncloud.android.ui.adapter.DiskLruImageCacheFileProvider;
  50 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
  51
  52 import org.apache.http.protocol.HTTP;
  53
  54 import java.util.List;
  55
  56 import java.io.ByteArrayOutputStream;
  57 import java.io.File;
  58 import java.io.FileNotFoundException;
  59 import java.io.FileOutputStream;
  60 import java.io.IOException;
  61
  62 import java.util.ArrayList;
  63
  64 /**
  65  *
  66  */
  67 public class FileOperationsHelper {
  68
  69     private static final String TAG = FileOperationsHelper.class.getName();
  70
  71     private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
  72
  73     protected FileActivity mFileActivity = null;
  74
  75     /// Identifier of operation in progress which result shouldn't be lost
  76     private long mWaitingForOpId = Long.MAX_VALUE;
  77
  78     public FileOperationsHelper(FileActivity fileActivity) {
  79         mFileActivity = fileActivity;
  80     }
  81
  82
  83     public void openFile(OCFile file) {
  84         if (file != null) {
  85             String storagePath = file.getStoragePath();
  86             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
  87
  88             Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
  89             intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), file.getMimetype());
  90             intentForSavedMimeType.setFlags(
  91                     Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
  92             );
  93
  94             Intent intentForGuessedMimeType = null;
  95             if (storagePath.lastIndexOf('.') >= 0) {
  96                 String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
  97                         storagePath.substring(storagePath.lastIndexOf('.') + 1)
  98                 );
  99                 if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
 100                     intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
 101                     intentForGuessedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath), guessedMimeType);
 102                     intentForGuessedMimeType.setFlags(
 103                             Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
 104                     );
 105                 }
 106             }
 107
 108             Intent openFileWithIntent;
 109             if (intentForGuessedMimeType != null) {
 110                 openFileWithIntent = intentForGuessedMimeType;
 111             } else {
 112                 openFileWithIntent = intentForSavedMimeType;
 113             }
 114
 115             List<ResolveInfo> launchables = mFileActivity.getPackageManager().
 116                     queryIntentActivities(openFileWithIntent, PackageManager.GET_INTENT_FILTERS);
 117
 118             if(launchables != null && launchables.size() > 0) {
 119                 try {
 120                     mFileActivity.startActivity(
 121                             Intent.createChooser(
 122                                     openFileWithIntent, mFileActivity.getString(R.string.actionbar_open_with)
 123                             )
 124                     );
 125                 } catch (ActivityNotFoundException anfe) {
 126                     showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 127                 }
 128             } else {
 129                 showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
 130             }
 131
 132         } else {
 133             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 134         }
 135     }
 136
 137     /**
 138      * Displays a toast stating that no application could be found to open the file.
 139      *
 140      * @param context the context to be able to show a toast.
 141      */
 142     private void showNoAppForFileTypeToast(Context context) {
 143         Toast.makeText(context,
 144                 R.string.file_list_no_app_for_file_type, Toast.LENGTH_SHORT)
 145                 .show();
 146     }
 147
 148     public void shareFileWithLink(OCFile file) {
 149
 150         if (isSharedSupported()) {
 151             if (file != null) {
 152                 String link = "https://fake.url";
 153                 Intent intent = createShareWithLinkIntent(link);
 154                 String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 155                 DialogFragment chooserDialog = ShareLinkToDialog.newInstance(intent, packagesToExclude, file);
 156                 chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 157
 158             } else {
 159                 Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
 160             }
 161
 162         } else {
 163             // Show a Message
 164             Toast t = Toast.makeText(
 165                     mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG
 166             );
 167             t.show();
 168         }
 169     }
 170
 171
 172     public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
 173
 174         if (file != null) {
 175             mFileActivity.showLoadingDialog();
 176
 177             Intent service = new Intent(mFileActivity, OperationsService.class);
 178             service.setAction(OperationsService.ACTION_CREATE_SHARE);
 179             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 180             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 181             service.putExtra(OperationsService.EXTRA_PASSWORD_SHARE, password);
 182             service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
 183             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 184
 185         } else {
 186             Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
 187         }
 188     }
 189
 190
 191     private Intent createShareWithLinkIntent(String link) {
 192         Intent intentToShareLink = new Intent(Intent.ACTION_SEND);
 193         intentToShareLink.putExtra(Intent.EXTRA_TEXT, link);
 194         intentToShareLink.setType(HTTP.PLAIN_TEXT_TYPE);
 195         return intentToShareLink;
 196     }
 197
 198
 199     /**
 200      * @return 'True' if the server supports the Share API
 201      */
 202     public boolean isSharedSupported() {
 203         if (mFileActivity.getAccount() != null) {
 204             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 205             return (serverVersion != null && serverVersion.isSharedSupported());
 206         }
 207         return false;
 208     }
 209
 210
 211     public void unshareFileWithLink(OCFile file) {
 212
 213         if (isSharedSupported()) {
 214             // Unshare the file
 215             Intent service = new Intent(mFileActivity, OperationsService.class);
 216             service.setAction(OperationsService.ACTION_UNSHARE);
 217             service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 218             service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 219             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 220
 221             mFileActivity.showLoadingDialog();
 222
 223         } else {
 224             // Show a Message
 225             Toast t = Toast.makeText(mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
 226             t.show();
 227
 228         }
 229     }
 230
 231     public void sendDownloadedFile(OCFile file) {
 232         if (file != null) {
 233             String storagePath = file.getStoragePath();
 234             String encodedStoragePath = WebdavUtils.encodePath(storagePath);
 235             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 236             // set MimeType
 237             sendIntent.setType(file.getMimetype());
 238             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
 239             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 240
 241             // Show dialog, without the own app
 242             String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
 243             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 244             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 245
 246         } else {
 247             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 248         }
 249     }
 250
 251     public void sendCachedImage(OCFile file) {
 252         if (file != null) {
 253             Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
 254             // set MimeType
 255             sendIntent.setType(file.getMimetype());
 256 //            sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("content://" + DiskLruImageCacheFileProvider.AUTHORITY + "/#" + file.getRemoteId() + "#" + file.getFileName()));
 257             sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("content://" + DiskLruImageCacheFileProvider.AUTHORITY + file.getRemotePath()));
 258             sendIntent.putExtra(Intent.ACTION_SEND, true);      // Send Action
 259
 260             // Show dialog, without the own app
 261             String[] packagesToExclude = new String[] { mFileActivity.getPackageName() };
 262             DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude, file);
 263             chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
 264         } else {
 265             Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
 266         }
 267     }
 268
 269     public void syncFiles(ArrayList<OCFile> files) {
 270         for (OCFile file: files) {
 271             syncFile(file);
 272         }
 273     }
 274
 275     public void syncFile(OCFile file) {
 276         if (!file.isFolder()) {
 277             Intent intent = new Intent(mFileActivity, OperationsService.class);
 278             intent.setAction(OperationsService.ACTION_SYNC_FILE);
 279             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 280             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 281             intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
 282             mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
 283             mFileActivity.showLoadingDialog();
 284
 285         } else {
 286             Intent intent = new Intent(mFileActivity, OperationsService.class);
 287             intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
 288             intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 289             intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 290             mFileActivity.startService(intent);
 291         }
 292     }
 293
 294     public void toggleFavorites(ArrayList<OCFile> files, boolean isFavorite){
 295         for (OCFile file: files) {
 296             toggleFavorite(file, isFavorite);
 297         }
 298     }
 299
 300     public void toggleFavorite(OCFile file, boolean isFavorite) {
 301         file.setFavorite(isFavorite);
 302         mFileActivity.getStorageManager().saveFile(file);
 303
 304         /// register the OCFile instance in the observer service to monitor local updates
 305         Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
 306                 mFileActivity,
 307                 file,
 308                 mFileActivity.getAccount(),
 309                 isFavorite);
 310         mFileActivity.startService(observedFileIntent);
 311
 312         /// immediate content synchronization
 313         if (file.isFavorite()) {
 314             syncFile(file);
 315         }
 316     }
 317
 318     public void renameFile(OCFile file, String newFilename) {
 319         // RenameFile
 320         Intent service = new Intent(mFileActivity, OperationsService.class);
 321         service.setAction(OperationsService.ACTION_RENAME);
 322         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 323         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 324         service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
 325         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 326
 327         mFileActivity.showLoadingDialog();
 328     }
 329
 330
 331     public void removeFile(OCFile file, boolean onlyLocalCopy) {
 332         // RemoveFile
 333         Intent service = new Intent(mFileActivity, OperationsService.class);
 334         service.setAction(OperationsService.ACTION_REMOVE);
 335         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 336         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
 337         service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
 338         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 339
 340         mFileActivity.showLoadingDialog();
 341     }
 342
 343
 344     public void createFolder(String remotePath, boolean createFullPath) {
 345         // Create Folder
 346         Intent service = new Intent(mFileActivity, OperationsService.class);
 347         service.setAction(OperationsService.ACTION_CREATE_FOLDER);
 348         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 349         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 350         service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
 351         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 352
 353         mFileActivity.showLoadingDialog();
 354     }
 355
 356     /**
 357      * Cancel the transference in downloads (files/folders) and file uploads
 358      * @param file OCFile
 359      */
 360     public void cancelTransference(OCFile file) {
 361         Account account = mFileActivity.getAccount();
 362         if (file.isFolder()) {
 363             OperationsService.OperationsServiceBinder opsBinder = mFileActivity.getOperationsServiceBinder();
 364             if (opsBinder != null) {
 365                 opsBinder.cancel(account, file);
 366             }
 367         }
 368
 369         // for both files and folders
 370         FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
 371         FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
 372         if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
 373             downloaderBinder.cancel(account, file);
 374
 375             // TODO - review why is this here, and solve in a better way
 376             // Remove etag for parent, if file is a favorite
 377             if (file.isFavorite()) {
 378                 OCFile parent = mFileActivity.getStorageManager().getFileById(file.getParentId());
 379                 parent.setEtag("");
 380                 mFileActivity.getStorageManager().saveFile(parent);
 381             }
 382
 383         } else if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
 384             uploaderBinder.cancel(account, file);
 385         }
 386     }
 387
 388     /**
 389      * Start move file operation
 390      *
 391      * @param newfile     File where it is going to be moved
 392      * @param currentFile File with the previous info
 393      */
 394     public void moveFile(OCFile newfile, OCFile currentFile) {
 395         // Move files
 396         Intent service = new Intent(mFileActivity, OperationsService.class);
 397         service.setAction(OperationsService.ACTION_MOVE_FILE);
 398         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 399         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 400         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 401         mWaitingForOpId =  mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 402
 403         // TODO Tobi loading dialog?
 404         // mFileActivity.showLoadingDialog();
 405     }
 406
 407     /**
 408      * Start copy file operation
 409      *
 410      * @param newfile     File where it is going to be moved
 411      * @param currentFile File with the previous info
 412      */
 413     public void copyFile(OCFile newfile, OCFile currentFile) {
 414         // Copy files
 415         Intent service = new Intent(mFileActivity, OperationsService.class);
 416         service.setAction(OperationsService.ACTION_COPY_FILE);
 417         service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
 418         service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
 419         service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
 420         mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
 421
 422         mFileActivity.showLoadingDialog();
 423     }
 424
 425     public long getOpIdWaitingFor() {
 426         return mWaitingForOpId;
 427     }
 428
 429
 430     public void setOpIdWaitingFor(long waitingForOpId) {
 431         mWaitingForOpId = waitingForOpId;
 432     }
 433
 434     /**
 435      *  @return 'True' if the server doesn't need to check forbidden characters
 436      */
 437     public boolean isVersionWithForbiddenCharacters() {
 438         if (mFileActivity.getAccount() != null) {
 439             OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
 440             return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
 441         }
 442         return false;
 443     }
 444 }