Making the QRCodeReaderView public

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Change log
 
+## [Version 7.5.0](https://github.com/yannickl/QRCodeReader.swift/releases/tag/7.5.0)
+Release on 2017-08-10
+
+- [REFACTORING] Makes the `QRCodeReaderView` public
+- [REFACTORING] The rotation is now managed by the `QRCodeReaderView`
+
 ## [Version 7.4.2](https://github.com/yannickl/QRCodeReader.swift/releases/tag/7.4.2)
 Release on 2017-05-28
 

Example/QRCodeReader.swift.xcodeproj/project.pbxproj

@@ -310,6 +310,7 @@
 				TargetAttributes = {
 					CE412E8819D9A1E4000F294E = {
 						CreatedOnToolsVersion = 6.0.1;
+						DevelopmentTeam = WNK46V33W9;
 						LastSwiftMigration = 0800;
 						ProvisioningStyle = Automatic;
 					};
@@ -554,7 +555,7 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
-				DEVELOPMENT_TEAM = "";
+				DEVELOPMENT_TEAM = WNK46V33W9;
 				INFOPLIST_FILE = QRCodeReader.swift/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.workandplay.qrcodereader;
@@ -569,7 +570,7 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
-				DEVELOPMENT_TEAM = "";
+				DEVELOPMENT_TEAM = WNK46V33W9;
 				INFOPLIST_FILE = QRCodeReader.swift/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.workandplay.qrcodereader;

Sources/QRCodeReaderView.swift

@@ -26,8 +26,8 @@
 
 import UIKit
 
-final class QRCodeReaderView: UIView, QRCodeReaderDisplayable {
+final public class QRCodeReaderView: UIView, QRCodeReaderDisplayable {
-  lazy var overlayView: UIView? = {
+  public lazy var overlayView: UIView? = {
     let ov = ReaderOverlayView()
 
     ov.backgroundColor                           = .clear
@@ -37,7 +37,7 @@ final class QRCodeReaderView: UIView, QRCodeReaderDisplayable {
     return ov
   }()
 
-  let cameraView: UIView = {
+  public let cameraView: UIView = {
     let cv = UIView()
 
     cv.clipsToBounds                             = true
@@ -46,7 +46,7 @@ final class QRCodeReaderView: UIView, QRCodeReaderDisplayable {
     return cv
   }()
 
-  lazy var cancelButton: UIButton? = {
+  public lazy var cancelButton: UIButton? = {
     let cb = UIButton()
 
     cb.translatesAutoresizingMaskIntoConstraints = false
@@ -55,7 +55,7 @@ final class QRCodeReaderView: UIView, QRCodeReaderDisplayable {
     return cb
   }()
 
-  lazy var switchCameraButton: UIButton? = {
+  public lazy var switchCameraButton: UIButton? = {
     let scb = SwitchCameraButton()
 
     scb.translatesAutoresizingMaskIntoConstraints = false
@@ -63,7 +63,7 @@ final class QRCodeReaderView: UIView, QRCodeReaderDisplayable {
     return scb
   }()
 
-  lazy var toggleTorchButton: UIButton? = {
+  public lazy var toggleTorchButton: UIButton? = {
     let ttb = ToggleTorchButton()
 
     ttb.translatesAutoresizingMaskIntoConstraints = false
@@ -71,7 +71,10 @@ final class QRCodeReaderView: UIView, QRCodeReaderDisplayable {
     return ttb
   }()
 
-  func setupComponents(showCancelButton: Bool, showSwitchCameraButton: Bool, showTorchButton: Bool, showOverlayView: Bool) {
+  private weak var reader: QRCodeReader?
+
+  public func setupComponents(showCancelButton: Bool, showSwitchCameraButton: Bool, showTorchButton: Bool, showOverlayView: Bool, reader: QRCodeReader?) {
+    self.reader                               = reader
     translatesAutoresizingMaskIntoConstraints = false
 
     addComponents()
@@ -122,6 +125,7 @@ final class QRCodeReaderView: UIView, QRCodeReaderDisplayable {
 
   func addRedBorder() {
     self.startTimerForBorderReset()
+
     if let ovl = self.overlayView as? ReaderOverlayView {
       ovl.overlayColor = .red
     }
@@ -129,14 +133,29 @@ final class QRCodeReaderView: UIView, QRCodeReaderDisplayable {
 
   func addGreenBorder() {
     self.startTimerForBorderReset()
+    
     if let ovl = self.overlayView as? ReaderOverlayView {
       ovl.overlayColor = .green
     }
   }
 
+  func orientationDidChange() {
+    setNeedsDisplay()
+    overlayView?.setNeedsDisplay()
+
+    if let connection = reader?.previewLayer.connection, connection.isVideoOrientationSupported {
+      let orientation                    = UIDevice.current.orientation
+      let supportedInterfaceOrientations = UIApplication.shared.supportedInterfaceOrientations(for: nil)
+
+      connection.videoOrientation = QRCodeReader.videoOrientation(deviceOrientation: orientation, withSupportedOrientations: supportedInterfaceOrientations, fallbackOrientation: connection.videoOrientation)
+    }
+  }
+
   // MARK: - Convenience Methods
 
   private func addComponents() {
+    NotificationCenter.default.addObserver(self, selector: #selector(QRCodeReaderView.orientationDidChange), name: .UIDeviceOrientationDidChange, object: nil)
+
     addSubview(cameraView)
 
     if let ov = overlayView {

Sources/QRCodeReaderViewContainer.swift

@@ -49,8 +49,10 @@ public protocol QRCodeReaderDisplayable {
    - Parameter showCancelButton: Flag to know whether you should display the cancel button.
    - Parameter showSwitchCameraButton: Flag to know whether you should display the switch camera button.
    - Parameter showTorchButton: Flag to know whether you should display the toggle torch button.
+   - Parameter showOverlayView: Flag to know whether you should display the overlay.
+   - Parameter reader: A reference to the code reader.
    */
-  func setupComponents(showCancelButton: Bool, showSwitchCameraButton: Bool, showTorchButton: Bool, showOverlayView: Bool)
+  func setupComponents(showCancelButton: Bool, showSwitchCameraButton: Bool, showTorchButton: Bool, showOverlayView: Bool, reader: QRCodeReader?)
 }
 
 /// The `QRCodeReaderContainer` structure embed the view displayed by the controller. The embeded view must be conform to the `QRCodeReaderDisplayable` protocol.
@@ -70,7 +72,7 @@ public struct QRCodeReaderContainer {
 
   // MARK: - Convenience Methods
 
-  func setupComponents(showCancelButton: Bool, showSwitchCameraButton: Bool, showTorchButton: Bool, showOverlayView: Bool) {
+  func setupComponents(showCancelButton: Bool, showSwitchCameraButton: Bool, showTorchButton: Bool, showOverlayView: Bool, reader: QRCodeReader? = nil) {
-    displayable.setupComponents(showCancelButton: showCancelButton, showSwitchCameraButton: showSwitchCameraButton, showTorchButton: showTorchButton, showOverlayView: showOverlayView)
+    displayable.setupComponents(showCancelButton: showCancelButton, showSwitchCameraButton: showSwitchCameraButton, showTorchButton: showTorchButton, showOverlayView: showOverlayView, reader: reader)
   }
 }

Sources/QRCodeReaderViewController.swift

@@ -38,7 +38,6 @@ public class QRCodeReaderViewController: UIViewController {
   let showSwitchCameraButton: Bool
   let showTorchButton: Bool
   let showOverlayView: Bool
-  let handleOrientationChange: Bool
 
   // MARK: - Managing the Callback Responders
 
@@ -69,7 +68,6 @@ public class QRCodeReaderViewController: UIViewController {
     showSwitchCameraButton = builder.showSwitchCameraButton
     showTorchButton        = builder.showTorchButton
     showOverlayView        = builder.showOverlayView
-    handleOrientationChange = builder.handleOrientationChange
 
     super.init(nibName: nil, bundle: nil)
 
@@ -94,8 +92,6 @@ public class QRCodeReaderViewController: UIViewController {
     }
 
     setupUIComponentsWithCancelButtonTitle(builder.cancelButtonTitle)
-
-    NotificationCenter.default.addObserver(self, selector: #selector(orientationDidChange), name: NSNotification.Name.UIDeviceOrientationDidChange, object: nil)
   }
 
   required public init?(coder aDecoder: NSCoder) {
@@ -106,15 +102,11 @@ public class QRCodeReaderViewController: UIViewController {
     showTorchButton        = false
     showSwitchCameraButton = false
     showOverlayView        = false
-    handleOrientationChange = false
 
     super.init(coder: aDecoder)
   }
 
   // MARK: - Responding to View Events
-  override public var supportedInterfaceOrientations: UIInterfaceOrientationMask {
-    return parent?.supportedInterfaceOrientations ?? .all
-  }
 
   override public func viewWillAppear(_ animated: Bool) {
     super.viewWillAppear(animated)
@@ -136,20 +128,6 @@ public class QRCodeReaderViewController: UIViewController {
     codeReader.previewLayer.frame = view.bounds
   }
 
-  // MARK: - Managing the Orientation
-
-  func orientationDidChange(_ notification: Notification) {
-    readerView.view.setNeedsDisplay()
-
-    if showOverlayView, let qrv = readerView.displayable as? QRCodeReaderView {
-        qrv.overlayView?.setNeedsDisplay()
-    }
-
-    if handleOrientationChange == true, let device = notification.object as? UIDevice, let connection = codeReader.previewLayer.connection, connection.isVideoOrientationSupported {
-      connection.videoOrientation = QRCodeReader.videoOrientation(deviceOrientation: device.orientation, withSupportedOrientations: supportedInterfaceOrientations, fallbackOrientation: connection.videoOrientation)
-    }
-  }
-
   // MARK: - Initializing the AV Components
 
   private func setupUIComponentsWithCancelButtonTitle(_ cancelButtonTitle: String) {
@@ -158,7 +136,7 @@ public class QRCodeReaderViewController: UIViewController {
     let sscb = showSwitchCameraButton && codeReader.hasFrontDevice
     let stb  = showTorchButton && codeReader.isTorchAvailable
 
-    readerView.setupComponents(showCancelButton: showCancelButton, showSwitchCameraButton: sscb, showTorchButton: stb, showOverlayView: showOverlayView)
+    readerView.setupComponents(showCancelButton: showCancelButton, showSwitchCameraButton: sscb, showTorchButton: stb, showOverlayView: showOverlayView, reader: codeReader)
 
     // Setup action methods