add NCLoginQRCode

Nextcloud.xcodeproj/project.pbxproj

@@ -240,6 +240,7 @@
 		F7434B6220E249F700417916 /* NSNotificationCenter+MainThread.m in Sources */ = {isa = PBXBuildFile; fileRef = F78071081EDAB65800EAFFF6 /* NSNotificationCenter+MainThread.m */; };
 		F7434B6320E249FB00417916 /* NSString+TruncateToWidth.m in Sources */ = {isa = PBXBuildFile; fileRef = F73049B91CB567F000C7C320 /* NSString+TruncateToWidth.m */; };
 		F745B251222D871800346520 /* QRCodeReader.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = F745B250222D871800346520 /* QRCodeReader.framework */; };
+		F745B253222D88AE00346520 /* NCLoginQRCode.swift in Sources */ = {isa = PBXBuildFile; fileRef = F745B252222D88AE00346520 /* NCLoginQRCode.swift */; };
 		F749E4E91DC1FB38009BA2FD /* Share.appex in Embed App Extensions */ = {isa = PBXBuildFile; fileRef = F7CE8AFB1DC1F8D8009CAE48 /* Share.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
 		F74E432620B5547700C2E54C /* NCNetworkingEndToEnd.m in Sources */ = {isa = PBXBuildFile; fileRef = F74E432520B5547700C2E54C /* NCNetworkingEndToEnd.m */; };
 		F74E432720B5547700C2E54C /* NCNetworkingEndToEnd.m in Sources */ = {isa = PBXBuildFile; fileRef = F74E432520B5547700C2E54C /* NCNetworkingEndToEnd.m */; };
@@ -886,6 +887,7 @@
 		F743B2C31C95BBE8006F5B4A /* CCShareInfoCMOC.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CCShareInfoCMOC.h; sourceTree = "<group>"; };
 		F743B2C41C95BBE8006F5B4A /* CCShareInfoCMOC.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = CCShareInfoCMOC.m; sourceTree = "<group>"; };
 		F745B250222D871800346520 /* QRCodeReader.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = QRCodeReader.framework; path = Carthage/Build/iOS/QRCodeReader.framework; sourceTree = "<group>"; };
+		F745B252222D88AE00346520 /* NCLoginQRCode.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NCLoginQRCode.swift; sourceTree = "<group>"; };
 		F7496B81208F5651004B299C /* iOSClient.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = iOSClient.plist; sourceTree = "<group>"; };
 		F7496B83208F5652004B299C /* Share.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Share.plist; sourceTree = "<group>"; };
 		F74D3DBD1BAC1941000BAE4B /* OCNetworking.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = OCNetworking.h; sourceTree = "<group>"; };
@@ -2579,6 +2581,7 @@
 				F7BF1B3F1D51E893000854F6 /* CCLogin.h */,
 				F7BF1B401D51E893000854F6 /* CCLogin.m */,
 				F7B3A4ED1E97818A000DACE8 /* CCLoginWeb.swift */,
+				F745B252222D88AE00346520 /* NCLoginQRCode.swift */,
 			);
 			path = Login;
 			sourceTree = "<group>";
@@ -3862,6 +3865,7 @@
 				F760F78E21F21F61006B1A73 /* PhotoEditor+Drawing.swift in Sources */,
 				F762CB0B1EACB66200B38484 /* XLFormRowDescriptor.m in Sources */,
 				F760F78921F21F61006B1A73 /* UIView+Image.swift in Sources */,
+				F745B253222D88AE00346520 /* NCLoginQRCode.swift in Sources */,
 				F760F79221F21F61006B1A73 /* EmojisCollectionViewDelegate.swift in Sources */,
 				F7169A1C1EE590930086BD69 /* NCShares.m in Sources */,
 				F77B0EC61D118A16002130FE /* CCCellMain.m in Sources */,

iOSClient/Login/NCLoginQRCode.swift

@@ -0,0 +1,104 @@
+//
+//  NCLoginQRCode.swift
+//  Nextcloud
+//
+//  Created by Marino Faggiana on 04/03/2019.
+//  Copyright © 2019 Marino Faggiana. All rights reserved.
+//
+//  Author Marino Faggiana <marino.faggiana@nextcloud.com>
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  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 <http://www.gnu.org/licenses/>.
+//
+
+
+import Foundation
+import QRCodeReader
+
+class NCLoginQRCode: QRCodeReaderViewControllerDelegate {
+    
+    lazy var reader: QRCodeReader = QRCodeReader()
+    weak var delegate: UIViewController?
+    
+    lazy var readerVC: QRCodeReaderViewController = {
+        let builder = QRCodeReaderViewControllerBuilder {
+            $0.reader                  = QRCodeReader(metadataObjectTypes: [.qr], captureDevicePosition: .back)
+            $0.showTorchButton         = true
+            $0.preferredStatusBarStyle = .lightContent
+            $0.showOverlayView        = true
+            $0.rectOfInterest          = CGRect(x: 0.2, y: 0.2, width: 0.6, height: 0.6)
+            
+            $0.reader.stopScanningWhenCodeIsFound = false
+        }
+        
+        return QRCodeReaderViewController(builder: builder)
+    }()
+
+    
+    public init(delegate: UIViewController) {
+        self.delegate = delegate
+    }
+    
+    func scanInModalAction() {
+        guard checkScanPermissions() else { return }
+        
+        readerVC.modalPresentationStyle = .formSheet
+        readerVC.delegate               = self
+        
+        readerVC.completionBlock = { (result: QRCodeReaderResult?) in
+            if let result = result {
+                print("Completion with result: \(result.value) of type \(result.metadataType)")
+            }
+        }
+        
+        delegate?.present(readerVC, animated: true, completion: nil)
+    }
+    
+    private func checkScanPermissions() -> Bool {
+        do {
+            return try QRCodeReader.supportsMetadataObjectTypes()
+        } catch let error as NSError {
+            let alert: UIAlertController
+            
+            switch error.code {
+            case -11852:
+                alert = UIAlertController(title: "Error", message: "This app is not authorized to use Back Camera.", preferredStyle: .alert)
+                
+                alert.addAction(UIAlertAction(title: "Setting", style: .default, handler: { (_) in
+                    DispatchQueue.main.async {
+                        if let settingsURL = URL(string: UIApplication.openSettingsURLString) {
+                            UIApplication.shared.open(settingsURL, options: [:], completionHandler: nil)
+                        }
+                    }
+                }))
+                
+                alert.addAction(UIAlertAction(title: "Cancel", style: .cancel, handler: nil))
+            default:
+                alert = UIAlertController(title: "Error", message: "Reader not supported by the current device", preferredStyle: .alert)
+                alert.addAction(UIAlertAction(title: "OK", style: .cancel, handler: nil))
+            }
+            
+            delegate?.present(alert, animated: true, completion: nil)
+            
+            return false
+        }
+    }
+    
+    func reader(_ reader: QRCodeReaderViewController, didScanResult result: QRCodeReaderResult) {
+        reader.stopScanning()
+    }
+    
+    func readerDidCancel(_ reader: QRCodeReaderViewController) {
+        reader.stopScanning()
+    }
+}