/**
* ownCloud Android client application
*
* @author masensio
* @author David A. Velasco
* Copyright (C) 2015 ownCloud Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*
*/
package com.owncloud.android.files;
import android.accounts.Account;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.Parcelable;
import android.support.v4.app.DialogFragment;
import android.webkit.MimeTypeMap;
import android.widget.Toast;
import com.owncloud.android.R;
import com.owncloud.android.authentication.AccountUtils;
import com.owncloud.android.datamodel.OCFile;
import com.owncloud.android.db.OCUpload;
import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder;
import com.owncloud.android.files.services.FileUploadService.FileUploaderBinder;
import com.owncloud.android.lib.common.network.WebdavUtils;
import com.owncloud.android.lib.common.utils.Log_OC;
import com.owncloud.android.lib.resources.shares.ShareType;
import com.owncloud.android.lib.resources.status.OwnCloudVersion;
import com.owncloud.android.services.OperationsService;
import com.owncloud.android.services.observer.FileObserverService;
import com.owncloud.android.ui.activity.FileActivity;
import com.owncloud.android.ui.activity.ShareActivity;
import com.owncloud.android.ui.dialog.ShareLinkToDialog;
import com.owncloud.android.ui.dialog.SharePasswordDialogFragment;
import java.util.List;
/**
*
*/
public class FileOperationsHelper {
private static final String TAG = FileOperationsHelper.class.getSimpleName();
private static final String FTAG_CHOOSER_DIALOG = "CHOOSER_DIALOG";
protected FileActivity mFileActivity = null;
/// Identifier of operation in progress which result shouldn't be lost
private long mWaitingForOpId = Long.MAX_VALUE;
public FileOperationsHelper(FileActivity fileActivity) {
mFileActivity = fileActivity;
}
public void openFile(OCFile file) {
if (file != null) {
String storagePath = file.getStoragePath();
String encodedStoragePath = WebdavUtils.encodePath(storagePath);
Intent intentForSavedMimeType = new Intent(Intent.ACTION_VIEW);
intentForSavedMimeType.setDataAndType(Uri.parse("file://"+ encodedStoragePath),
file.getMimetype());
intentForSavedMimeType.setFlags(
Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION
);
Intent intentForGuessedMimeType = null;
if (storagePath.lastIndexOf('.') >= 0) {
String guessedMimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(
storagePath.substring(storagePath.lastIndexOf('.') + 1)
);
if (guessedMimeType != null && !guessedMimeType.equals(file.getMimetype())) {
intentForGuessedMimeType = new Intent(Intent.ACTION_VIEW);
intentForGuessedMimeType.setDataAndType(Uri.parse("file://" +
encodedStoragePath), guessedMimeType);
intentForGuessedMimeType.setFlags(
Intent.FLAG_GRANT_READ_URI_PERMISSION |
Intent.FLAG_GRANT_WRITE_URI_PERMISSION
);
}
}
Intent openFileWithIntent;
if (intentForGuessedMimeType != null) {
openFileWithIntent = intentForGuessedMimeType;
} else {
openFileWithIntent = intentForSavedMimeType;
}
List launchables = mFileActivity.getPackageManager().
queryIntentActivities(openFileWithIntent, PackageManager.GET_INTENT_FILTERS);
if(launchables != null && launchables.size() > 0) {
try {
mFileActivity.startActivity(
Intent.createChooser(
openFileWithIntent, mFileActivity.getString(R.string.actionbar_open_with)
)
);
} catch (ActivityNotFoundException anfe) {
showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
}
} else {
showNoAppForFileTypeToast(mFileActivity.getApplicationContext());
}
} else {
Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
}
}
/**
* Displays a toast stating that no application could be found to open the file.
*
* @param context the context to be able to show a toast.
*/
private void showNoAppForFileTypeToast(Context context) {
Toast.makeText(context,
R.string.file_list_no_app_for_file_type, Toast.LENGTH_SHORT)
.show();
}
/**
* Helper method to share a file via a public link. Starts a request to do it in {@link OperationsService}
*
* @param file The file to share.
* @param password Optional password to protect the public share.
*/
public void shareFileViaLink(OCFile file, String password) {
if (isSharedSupported()) {
if (file != null) {
mFileActivity.showLoadingDialog(
mFileActivity.getApplicationContext().
getString(R.string.wait_a_moment)
);
Intent service = new Intent(mFileActivity, OperationsService.class);
service.setAction(OperationsService.ACTION_CREATE_SHARE_VIA_LINK);
service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
if (password != null && password.length() > 0) {
service.putExtra(OperationsService.EXTRA_SHARE_PASSWORD, password);
}
service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
} else {
Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
// TODO user-level error?
}
} else {
// Show a Message
Toast t = Toast.makeText(
mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api),
Toast.LENGTH_LONG
);
t.show();
}
}
public void getFileWithLink(OCFile file){
if (isSharedSupported()) {
if (file != null) {
mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
getString(R.string.wait_a_moment));
Intent service = new Intent(mFileActivity, OperationsService.class);
service.setAction(OperationsService.ACTION_CREATE_SHARE_VIA_LINK);
service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
} else {
Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
}
} else {
// Show a Message
Toast t = Toast.makeText(
mFileActivity, mFileActivity.getString(R.string.share_link_no_support_share_api),
Toast.LENGTH_LONG
);
t.show();
}
}
public void shareFileWithLinkToApp(OCFile file, String password, Intent sendIntent) {
if (file != null) {
mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
getString(R.string.wait_a_moment));
Intent service = new Intent(mFileActivity, OperationsService.class);
service.setAction(OperationsService.ACTION_CREATE_SHARE_VIA_LINK);
service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
service.putExtra(OperationsService.EXTRA_SHARE_PASSWORD, password);
service.putExtra(OperationsService.EXTRA_SEND_INTENT, sendIntent);
mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
} else {
Log_OC.wtf(TAG, "Trying to open a NULL OCFile");
}
}
/**
* Helper method to share a file with a known sharee. Starts a request to do it in {@link OperationsService}
*
* @param file The file to share.
* @param shareeName Name (user name or group name) of the target sharee.
* @param shareType The share type determines the sharee type.
*/
public void shareFileWithSharee(OCFile file, String shareeName, ShareType shareType) {
if (file != null) {
// TODO check capability?
mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
getString(R.string.wait_a_moment));
Intent service = new Intent(mFileActivity, OperationsService.class);
service.setAction(OperationsService.ACTION_CREATE_SHARE_WITH_SHAREE);
service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
service.putExtra(OperationsService.EXTRA_SHARE_WITH, shareeName);
service.putExtra(OperationsService.EXTRA_SHARE_TYPE, shareType);
mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
} else {
Log_OC.wtf(TAG, "Trying to share a NULL OCFile");
}
}
/**
* @return 'True' if the server supports the Share API
*/
public boolean isSharedSupported() {
if (mFileActivity.getAccount() != null) {
OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
return (serverVersion != null && serverVersion.isSharedSupported());
}
return false;
}
/**
* Helper method to unshare a file publicly shared via link.
* Starts a request to do it in {@link OperationsService}
*
* @param file The file to unshare.
*/
public void unshareFileViaLink(OCFile file) {
// Unshare the file: Create the intent
Intent unshareService = new Intent(mFileActivity, OperationsService.class);
unshareService.setAction(OperationsService.ACTION_UNSHARE);
unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, ShareType.PUBLIC_LINK);
unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, "");
queueShareIntent(unshareService);
}
public void unshareFileWithUserOrGroup(OCFile file, ShareType shareType, String userOrGroup){
// Unshare the file: Create the intent
Intent unshareService = new Intent(mFileActivity, OperationsService.class);
unshareService.setAction(OperationsService.ACTION_UNSHARE);
unshareService.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
unshareService.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
unshareService.putExtra(OperationsService.EXTRA_SHARE_TYPE, shareType);
unshareService.putExtra(OperationsService.EXTRA_SHARE_WITH, userOrGroup);
queueShareIntent(unshareService);
}
private void queueShareIntent(Intent shareIntent){
if (isSharedSupported()) {
// Unshare the file
mWaitingForOpId = mFileActivity.getOperationsServiceBinder().
queueNewOperation(shareIntent);
mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
getString(R.string.wait_a_moment));
} else {
// Show a Message
Toast t = Toast.makeText(mFileActivity,
mFileActivity.getString(R.string.share_link_no_support_share_api),
Toast.LENGTH_LONG);
t.show();
}
}
/**
* Show an instance of {@link ShareType} for sharing or unsharing the {@OCFile} received as parameter.
*
* @param file File to share or unshare.
*/
public void showShareFile(OCFile file){
Intent intent = new Intent(mFileActivity, ShareActivity.class);
intent.putExtra(mFileActivity.EXTRA_FILE, (Parcelable) file);
intent.putExtra(mFileActivity.EXTRA_ACCOUNT, mFileActivity.getAccount());
mFileActivity.startActivity(intent);
}
/**
* Starts a dialog that requests a password to the user to protect a share link.
*
* @param file File which public share will be protected by the requested password
* @param createShare When 'true', the request for password will be followed by the creation of a new
* public link; when 'false', a public share is assumed to exist, and the password
* is bound to it.
*/
public void requestPasswordForShareViaLink(OCFile file, boolean createShare) {
SharePasswordDialogFragment dialog =
SharePasswordDialogFragment.newInstance(file, createShare);
dialog.show(
mFileActivity.getSupportFragmentManager(),
SharePasswordDialogFragment.PASSWORD_FRAGMENT
);
}
/**
* Updates a public share on a file to set its password.
* Starts a request to do it in {@link OperationsService}
*
* @param file File which public share will be protected with a password.
* @param password Password to set for the public link; null or empty string to clear
* the current password
*/
public void setPasswordToShareViaLink(OCFile file, String password) {
// Set password updating share
Intent updateShareIntent = new Intent(mFileActivity, OperationsService.class);
updateShareIntent.setAction(OperationsService.ACTION_UPDATE_SHARE);
updateShareIntent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
updateShareIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
updateShareIntent.putExtra(
OperationsService.EXTRA_SHARE_PASSWORD,
(password == null) ? "" : password
);
queueShareIntent(updateShareIntent);
}
/**
* Updates a public share on a file to set its expiration date.
* Starts a request to do it in {@link OperationsService}
*
* @param file File which public share will be constrained with an expiration date.
* @param expirationTimeInMillis Expiration date to set. A negative value clears the current expiration
* date, leaving the link unrestricted. Zero makes no change.
*/
public void setExpirationDateToShareViaLink(OCFile file, long expirationTimeInMillis) {
Intent updateShareIntent = new Intent(mFileActivity, OperationsService.class);
updateShareIntent.setAction(OperationsService.ACTION_UPDATE_SHARE);
updateShareIntent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
updateShareIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
updateShareIntent.putExtra(
OperationsService.EXTRA_SHARE_EXPIRATION_DATE_IN_MILLIS,
expirationTimeInMillis
);
queueShareIntent(updateShareIntent);
}
/**
* @return 'True' if the server supports the Search Users API
*/
public boolean isSearchUsersSupportedSupported() {
if (mFileActivity.getAccount() != null) {
OwnCloudVersion serverVersion = AccountUtils.getServerVersion(mFileActivity.getAccount());
return (serverVersion != null && serverVersion.isSearchUsersSupported());
}
return false;
}
public void sendDownloadedFile(OCFile file) {
if (file != null) {
String storagePath = file.getStoragePath();
String encodedStoragePath = WebdavUtils.encodePath(storagePath);
Intent sendIntent = new Intent(android.content.Intent.ACTION_SEND);
// set MimeType
sendIntent.setType(file.getMimetype());
sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + encodedStoragePath));
sendIntent.putExtra(Intent.ACTION_SEND, true); // Send Action
// Show dialog, without the own app
String[] packagesToExclude = new String[]{mFileActivity.getPackageName()};
DialogFragment chooserDialog = ShareLinkToDialog.newInstance(sendIntent, packagesToExclude);
chooserDialog.show(mFileActivity.getSupportFragmentManager(), FTAG_CHOOSER_DIALOG);
} else {
Log_OC.wtf(TAG, "Trying to send a NULL OCFile");
}
}
/**
* Request the synchronization of a file or folder with the OC server, including its contents.
*
* @param file The file or folder to synchronize
*/
public void syncFile(OCFile file) {
if (!file.isFolder()){
Intent intent = new Intent(mFileActivity, OperationsService.class);
intent.setAction(OperationsService.ACTION_SYNC_FILE);
intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
intent.putExtra(OperationsService.EXTRA_SYNC_FILE_CONTENTS, true);
mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(intent);
mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
getString(R.string.wait_a_moment));
} else {
Intent intent = new Intent(mFileActivity, OperationsService.class);
intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
intent.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
mFileActivity.startService(intent);
}
}
public void toggleFavorite(OCFile file, boolean isFavorite) {
file.setFavorite(isFavorite);
mFileActivity.getStorageManager().saveFile(file);
/// register the OCFile instance in the observer service to monitor local updates
Intent observedFileIntent = FileObserverService.makeObservedFileIntent(
mFileActivity,
file,
mFileActivity.getAccount(),
isFavorite);
mFileActivity.startService(observedFileIntent);
/// immediate content synchronization
if (file.isFavorite()) {
syncFile(file);
}
}
public void renameFile(OCFile file, String newFilename) {
// RenameFile
Intent service = new Intent(mFileActivity, OperationsService.class);
service.setAction(OperationsService.ACTION_RENAME);
service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
service.putExtra(OperationsService.EXTRA_NEWNAME, newFilename);
mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
getString(R.string.wait_a_moment));
}
public void removeFile(OCFile file, boolean onlyLocalCopy) {
// RemoveFile
Intent service = new Intent(mFileActivity, OperationsService.class);
service.setAction(OperationsService.ACTION_REMOVE);
service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
service.putExtra(OperationsService.EXTRA_REMOTE_PATH, file.getRemotePath());
service.putExtra(OperationsService.EXTRA_REMOVE_ONLY_LOCAL, onlyLocalCopy);
mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
getString(R.string.wait_a_moment));
}
public void createFolder(String remotePath, boolean createFullPath) {
// Create Folder
Intent service = new Intent(mFileActivity, OperationsService.class);
service.setAction(OperationsService.ACTION_CREATE_FOLDER);
service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
service.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
service.putExtra(OperationsService.EXTRA_CREATE_FULL_PATH, createFullPath);
mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
getString(R.string.wait_a_moment));
}
/**
* Retry uploading a failed or cancelled upload with force.
*/
public void retryUpload(OCUpload upload) {
Account account = mFileActivity.getAccount();
FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
if (uploaderBinder != null) {
upload.removeAllUploadRestrictions(); //only this object, upload DB stays untouched.
uploaderBinder.retry(account, upload);
} else {
Log_OC.w(TAG, "uploaderBinder not set. Cannot remove " + upload.getOCFile());
}
}
/**
* Remove upload from upload list.
*/
public void removeUploadFromList(OCUpload upload) {
FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
if (uploaderBinder != null) {
uploaderBinder.remove(upload);
} else {
Log_OC.w(TAG, "uploaderBinder not set. Cannot remove " + upload.getOCFile());
}
}
/**
* Cancel the transference in downloads (files/folders) and file uploads
* @param file OCFile
*/
public void cancelTransference(OCFile file) {
Account account = mFileActivity.getAccount();
if (file.isFolder()) {
OperationsService.OperationsServiceBinder opsBinder =
mFileActivity.getOperationsServiceBinder();
if (opsBinder != null) {
opsBinder.cancel(account, file);
}
}
// for both files and folders
FileDownloaderBinder downloaderBinder = mFileActivity.getFileDownloaderBinder();
// On reliable_uploads
// FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
// if (downloaderBinder != null) {
// if (downloaderBinder.isDownloading(account, file)) {
// // Remove etag for parent, if file is a keep_in_sync
// if (file.isFavorite()) {
// OCFile parent = mFileActivity.getStorageManager().getFileById(file.getParentId());
// parent.setEtag("");
// mFileActivity.getStorageManager().saveFile(parent);
// }
//
// downloaderBinder.cancel(account, file);
// } else {
// Log_OC.d(TAG, "Download for " + file + " not in progress. Cannot cancel " + file);
// }
// }
// if (uploaderBinder != null) {
// if (uploaderBinder.isUploading(account, file)) {
// uploaderBinder.cancel(account, file);
// } else {
// Log_OC.d(TAG, "Upload for " + file + " not in progress. Cannot cancel.");
// }
// }
// if(downloaderBinder == null && uploaderBinder == null) {
// Log_OC.w(TAG, "Neither downloaderBinder nor uploaderBinder set. Cannot cancel.");
if (downloaderBinder != null && downloaderBinder.isDownloading(account, file)) {
downloaderBinder.cancel(account, file);
}
FileUploaderBinder uploaderBinder = mFileActivity.getFileUploaderBinder();
if (uploaderBinder != null && uploaderBinder.isUploading(account, file)) {
uploaderBinder.cancel(account, file);
}
}
/**
* Start move file operation
*
* @param newfile File where it is going to be moved
* @param currentFile File with the previous info
*/
public void moveFile(OCFile newfile, OCFile currentFile) {
// Move files
Intent service = new Intent(mFileActivity, OperationsService.class);
service.setAction(OperationsService.ACTION_MOVE_FILE);
service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
getString(R.string.wait_a_moment));
}
/**
* Start copy file operation
*
* @param newfile File where it is going to be moved
* @param currentFile File with the previous info
*/
public void copyFile(OCFile newfile, OCFile currentFile) {
// Copy files
Intent service = new Intent(mFileActivity, OperationsService.class);
service.setAction(OperationsService.ACTION_COPY_FILE);
service.putExtra(OperationsService.EXTRA_NEW_PARENT_PATH, newfile.getRemotePath());
service.putExtra(OperationsService.EXTRA_REMOTE_PATH, currentFile.getRemotePath());
service.putExtra(OperationsService.EXTRA_ACCOUNT, mFileActivity.getAccount());
mWaitingForOpId = mFileActivity.getOperationsServiceBinder().queueNewOperation(service);
mFileActivity.showLoadingDialog(mFileActivity.getApplicationContext().
getString(R.string.wait_a_moment));
}
public long getOpIdWaitingFor() {
return mWaitingForOpId;
}
public void setOpIdWaitingFor(long waitingForOpId) {
mWaitingForOpId = waitingForOpId;
}
/**
* @return 'True' if the server doesn't need to check forbidden characters
*/
public boolean isVersionWithForbiddenCharacters() {
if (mFileActivity.getAccount() != null) {
OwnCloudVersion serverVersion =
AccountUtils.getServerVersion(mFileActivity.getAccount());
return (serverVersion != null && serverVersion.isVersionWithForbiddenCharacters());
}
return false;
}
}