Added uWide camera support; added public var for capture device to be…

… more customizable.

camera/CameraManager.swift

@@ -21,7 +21,7 @@ public enum CameraState {
 }
 
 public enum CameraDevice {
-    case front, back
+    case front, back, uWide
 }
 
 public enum CameraFlashMode: Int {
@@ -152,6 +152,18 @@ open class CameraManager: NSObject, AVCaptureFileOutputRecordingDelegate, UIGest
         return !hasFlashDevices.isEmpty
     }()
 
+    /// Property to determine if current device has Ultra Wide camera.
+    open var hasuWideCamera: Bool = {
+        var frontDevices: AVCaptureDevice?
+        if #available(iOS 13.0, *) {
+            frontDevices = AVCaptureDevice.default(.builtInUltraWideCamera, for: .video, position: .back)
+        } else {
+            // Fallback on earlier versions
+            frontDevices = AVCaptureDevice.default(.builtInWideAngleCamera, for: .video, position: .back)
+        }
+        return (frontDevices != nil)
+    }()
+
     /**
      Property to enable or disable flip animation when switch between back and front camera.
      - note: Default value is **true**
@@ -192,6 +204,14 @@ open class CameraManager: NSObject, AVCaptureFileOutputRecordingDelegate, UIGest
         }
     }
 
+    public var captureDevice: AVCaptureDevice? {
+        switch self.cameraDevice {
+        case .front: return frontCameraDevice
+        case .back: return backCameraDevice
+        case .uWide: return uWideCameraDevice
+        }
+    }
+
     /// Property to change camera flash mode.
     open var flashMode = CameraFlashMode.off {
         didSet {
@@ -252,10 +272,22 @@ open class CameraManager: NSObject, AVCaptureFileOutputRecordingDelegate, UIGest
         return AVCaptureDevice.videoDevices.filter { $0.position == .front }.first
     }()
 
+    public var currentPreset: AVCaptureSession.Preset = .high
+    public var hdrModeOn: Bool = false
+
     fileprivate lazy var backCameraDevice: AVCaptureDevice? = {
         return AVCaptureDevice.videoDevices.filter { $0.position == .back }.first
     }()
 
+    fileprivate lazy var uWideCameraDevice: AVCaptureDevice? = {
+        if #available(iOS 13.0, *) {
+            return AVCaptureDevice.default(.builtInUltraWideCamera, for: .video, position: .back)
+        } else {
+            // Fallback on earlier versions
+            return AVCaptureDevice.default(.builtInWideAngleCamera, for: .video, position: .back)
+        }
+    }()
+
     fileprivate lazy var mic: AVCaptureDevice? = {
         return AVCaptureDevice.default(for: AVMediaType.audio)
     }()
@@ -716,11 +748,14 @@ open class CameraManager: NSObject, AVCaptureFileOutputRecordingDelegate, UIGest
                 return device.hasFlash
             } else if device.position == .front && cameraDevice == .front {
                 return device.hasFlash
+            } else if device.position == .back, cameraDevice == .uWide {
+                return device.hasFlash
             }
         }
         return false
     }
 
+
     // MARK: - AVCaptureFileOutputRecordingDelegate
     public func fileOutput(captureOutput: AVCaptureFileOutput, didStartRecordingTo fileURL: URL, from connections: [AVCaptureConnection]) {
         captureSession?.beginConfiguration()
@@ -811,6 +846,8 @@ open class CameraManager: NSObject, AVCaptureFileOutputRecordingDelegate, UIGest
             device = backCameraDevice
         case .front:
             device = frontCameraDevice
+        case .uWide:
+            device = uWideCameraDevice
         }
 
         do {
@@ -858,6 +895,8 @@ open class CameraManager: NSObject, AVCaptureFileOutputRecordingDelegate, UIGest
             device = backCameraDevice
         case .front:
             device = frontCameraDevice
+        case .uWide:
+            device = uWideCameraDevice
         }
 
         _changeExposureMode(mode: .continuousAutoExposure)
@@ -1027,6 +1066,8 @@ open class CameraManager: NSObject, AVCaptureFileOutputRecordingDelegate, UIGest
             device = backCameraDevice
         case .front:
             device = frontCameraDevice
+        case .uWide:
+            device = uWideCameraDevice
         }
         if (device?.exposureMode == mode) {
             return
@@ -1052,6 +1093,8 @@ open class CameraManager: NSObject, AVCaptureFileOutputRecordingDelegate, UIGest
                 device = backCameraDevice
             case .front:
                 device = frontCameraDevice
+            case .uWide:
+                device = uWideCameraDevice
             }
 
             do {
@@ -1380,6 +1423,8 @@ open class CameraManager: NSObject, AVCaptureFileOutputRecordingDelegate, UIGest
             maxZoom = backCameraDevice.activeFormat.videoMaxZoomFactor
         } else if cameraDevice == .front, let frontCameraDevice = frontCameraDevice {
             maxZoom = frontCameraDevice.activeFormat.videoMaxZoomFactor
+        } else if cameraDevice == .uWide, let uWideCameraDevice = uWideCameraDevice {
+            maxZoom = uWideCameraDevice.activeFormat.videoMaxZoomFactor
         }
 
         maxZoomScale = maxZoom
@@ -1654,6 +1699,11 @@ open class CameraManager: NSObject, AVCaptureFileOutputRecordingDelegate, UIGest
                     !inputs.contains(validBackDevice) {
                         validCaptureSession.addInput(validBackDevice)
                 }
+            case .uWide:
+                if let validuWideDevice = _deviceInputFromDevice(uWideCameraDevice),
+                   !inputs.contains(validuWideDevice) {
+                    validCaptureSession.addInput(validuWideDevice)
+                }
             }
         }
     }