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