CameraViewController.swift

//
//  CameraViewController.swift
//  Camera
//
//  Created by Stephen Gurnett on 03/01/2016.
//  Copyright © 2016 Stephen Gurnett. All rights reserved.
//

import UIKit
import MobileCoreServices

class CameraViewController: UIViewController {

    @IBOutlet weak var imageView: UIImageView!
    
    @IBAction func displayCamera() {
        displayImagePicker(.Camera)
    }
    
    @IBAction func savedPhotos() {
        displayImagePicker(.SavedPhotosAlbum)
    }
    
    @IBAction func photosLibrary() {
        displayImagePicker(.PhotoLibrary)
    }
    
    func displayImagePicker(sourceType: UIImagePickerControllerSourceType) {
        guard UIImagePickerController.isSourceTypeAvailable(sourceType) else {
            return
        }
        
        let imagePicker = UIImagePickerController()
        imagePicker.delegate = self
        imagePicker.sourceType = sourceType
        imagePicker.allowsEditing = false
        imagePicker.mediaTypes = [kUTTypeImage as String]
        presentViewController(imagePicker, animated: true, completion: nil)
    }
    
    func handleImage(image: UIImage) {
        imageView.image = image
    }
}

extension CameraViewController: UIImagePickerControllerDelegate {
    func imagePickerController(picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [String : AnyObject]) {
        dismissViewControllerAnimated(true, completion: nil)
        let mediaType = info[UIImagePickerControllerMediaType] as! String
        if mediaType == kUTTypeImage as String {
            let image = info[UIImagePickerControllerOriginalImage] as! UIImage
            handleImage(image)
        }
    }
}

extension CameraViewController: UINavigationControllerDelegate {
    
}