//

// HomeViewController.m

// LLSimpleCameraExample

//

// Created by Ömer Faruk Gül on 29/10/14.

// Copyright (c) 2014 Ömer Faruk Gül. All rights reserved.

//

#import "HomeViewController.h"

#import "ViewUtils.h"

#import "ImageViewController.h"

#import "VideoViewController.h"

#import "Dindr-Swift.h"

@interface HomeViewController ()

@property (strong, nonatomic) LLSimpleCamera *camera;

@property (strong, nonatomic) UILabel *errorLabel;

@property (strong, nonatomic) UIButton *snapButton;

@property (strong, nonatomic) UIButton *switchButton;

@property (strong, nonatomic) UIButton *flashButton;

@property (strong, nonatomic) UISegmentedControl *segmentedControl;

@end

@implementation HomeViewController

- (void)viewDidLoad {

[super viewDidLoad];

self.view.backgroundColor = [UIColor blackColor];

[self.navigationController setNavigationBarHidden:YES animated:NO];

CGRect screenRect = [[UIScreen mainScreen] bounds];

// ----- initialize camera -------- //

// create camera vc

self.camera = [[LLSimpleCamera alloc] initWithQuality:AVCaptureSessionPresetHigh

position:CameraPositionBack

videoEnabled:YES];

// attach to a view controller

[self.camera attachToViewController:self withFrame:CGRectMake(0, 0, screenRect.size.width, screenRect.size.height)];

// read: http://stackoverflow.com/questions/5427656/ios-uiimagepickercontroller-result-image-orientation-after-upload

// you probably will want to set this to YES, if you are going view the image outside iOS.

self.camera.fixOrientationAfterCapture = NO;

// take the required actions on a device change

__weak typeof(self) weakSelf = self;

[self.camera setOnDeviceChange:^(LLSimpleCamera *camera, AVCaptureDevice * device) {

NSLog(@"Device changed.");

// device changed, check if flash is available

if([camera isFlashAvailable]) {

weakSelf.flashButton.hidden = NO;

if(camera.flash == CameraFlashOff) {

weakSelf.flashButton.selected = NO;

}

else {

weakSelf.flashButton.selected = YES;

}

}

else {

weakSelf.flashButton.hidden = YES;

}

}];

[self.camera setOnError:^(LLSimpleCamera *camera, NSError *error) {

NSLog(@"Camera error: %@", error);

if([error.domain isEqualToString:LLSimpleCameraErrorDomain]) {

if(error.code == LLSimpleCameraErrorCodeCameraPermission ||

error.code == LLSimpleCameraErrorCodeMicrophonePermission) {

if(weakSelf.errorLabel) {

[weakSelf.errorLabel removeFromSuperview];

}

UILabel *label = [[UILabel alloc] initWithFrame:CGRectZero];

label.text = @"We need permission for the camera.\nPlease go to your settings.";

label.numberOfLines = 2;

label.lineBreakMode = NSLineBreakByWordWrapping;

label.backgroundColor = [UIColor clearColor];

label.font = [UIFont fontWithName:@"AvenirNext-DemiBold" size:13.0f];

label.textColor = [UIColor whiteColor];

label.textAlignment = NSTextAlignmentCenter;

[label sizeToFit];

label.center = CGPointMake(screenRect.size.width / 2.0f, screenRect.size.height / 2.0f);

weakSelf.errorLabel = label;

[weakSelf.view addSubview:weakSelf.errorLabel];

}

}

}];

// ----- camera buttons -------- //

// snap button to capture image

self.snapButton = [UIButton buttonWithType:UIButtonTypeCustom];

self.snapButton.frame = CGRectMake(0, 0, 70.0f, 70.0f);

self.snapButton.clipsToBounds = YES;

self.snapButton.layer.cornerRadius = self.snapButton.width / 2.0f;

self.snapButton.layer.borderColor = [UIColor whiteColor].CGColor;

self.snapButton.layer.borderWidth = 2.0f;

self.snapButton.backgroundColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5];

self.snapButton.layer.rasterizationScale = [UIScreen mainScreen].scale;

self.snapButton.layer.shouldRasterize = YES;

[self.snapButton addTarget:self action:@selector(snapButtonPressed:) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:self.snapButton];

// button to toggle flash

self.flashButton = [UIButton buttonWithType:UIButtonTypeSystem];

self.flashButton.frame = CGRectMake(0, 0, 16.0f + 20.0f, 24.0f + 20.0f);

self.flashButton.tintColor = [UIColor whiteColor];

[self.flashButton setImage:[UIImage imageNamed:@"camera-flash.png"] forState:UIControlStateNormal];

self.flashButton.imageEdgeInsets = UIEdgeInsetsMake(10.0f, 10.0f, 10.0f, 10.0f);

[self.flashButton addTarget:self action:@selector(flashButtonPressed:) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:self.flashButton];

// button to toggle camera positions

self.switchButton = [UIButton buttonWithType:UIButtonTypeSystem];

self.switchButton.frame = CGRectMake(0, 0, 29.0f + 20.0f, 22.0f + 20.0f);

self.switchButton.tintColor = [UIColor whiteColor];

[self.switchButton setImage:[UIImage imageNamed:@"camera-switch.png"] forState:UIControlStateNormal];

self.switchButton.imageEdgeInsets = UIEdgeInsetsMake(10.0f, 10.0f, 10.0f, 10.0f);

[self.switchButton addTarget:self action:@selector(switchButtonPressed:) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:self.switchButton];

self.segmentedControl = [[UISegmentedControl alloc] initWithItems:@[@"Picture",@"Video"]];

self.segmentedControl.frame = CGRectMake(12.0f, screenRect.size.height - 67.0f, 120.0f, 32.0f);

self.segmentedControl.selectedSegmentIndex = 0;

self.segmentedControl.tintColor = [UIColor whiteColor];

[self.segmentedControl addTarget:self action:@selector(segmentedControlValueChanged:) forControlEvents:UIControlEventValueChanged];

[self.view addSubview:self.segmentedControl];

}

- (void)segmentedControlValueChanged:(UISegmentedControl *)control {

NSLog(@"Segment value changed!");

}

- (void)viewWillAppear:(BOOL)animated {

[super viewWillAppear:animated];

// start the camera

[self.camera start];

}

- (void)viewWillDisappear:(BOOL)animated {

[super viewWillDisappear:animated];

// stop the camera

[self.camera stop];

}

/* camera button methods */

- (void)switchButtonPressed:(UIButton *)button {

[self.camera togglePosition];

}

- (NSURL *)applicationDocumentsDirectory {

return [[[NSFileManager defaultManager] URLsForDirectory:NSDocumentDirectory

inDomains:NSUserDomainMask] lastObject];

}

- (void)flashButtonPressed:(UIButton *)button {

if(self.camera.flash == CameraFlashOff) {

BOOL done = [self.camera updateFlashMode:CameraFlashOn];

if(done) {

self.flashButton.selected = YES;

self.flashButton.tintColor = [UIColor yellowColor];

}

}

else {

BOOL done = [self.camera updateFlashMode:CameraFlashOff];

if(done) {

self.flashButton.selected = NO;

self.flashButton.tintColor = [UIColor whiteColor];

}

}

}

- (void)snapButtonPressed:(UIButton *)button {

if(self.segmentedControl.selectedSegmentIndex == 0) {

// capture

[self.camera capture:^(LLSimpleCamera *camera, UIImage *image, NSDictionary *metadata, NSError *error) {

if(!error) {

// we should stop the camera, since we don't need it anymore. We will open a new vc.

// this very important, otherwise you may experience memory crashes

[camera stop];

// show the image

[self performSegueWithIdentifier:@"Show Image Preview" sender:image];

}

else {

NSLog(@"An error has occured: %@", error);

}

} exactSeenImage:YES];

}

else {

if(!self.camera.isRecording) {

self.segmentedControl.hidden = YES;

self.flashButton.hidden = YES;

self.switchButton.hidden = YES;

self.snapButton.layer.borderColor = [UIColor redColor].CGColor;

self.snapButton.backgroundColor = [[UIColor redColor] colorWithAlphaComponent:0.5];

// start recording

NSURL *outputURL = [[[self applicationDocumentsDirectory]

URLByAppendingPathComponent:@"test1"] URLByAppendingPathExtension:@"mov"];

[self.camera startRecordingWithOutputUrl:outputURL];

}

else {

self.segmentedControl.hidden = NO;

self.flashButton.hidden = NO;

self.switchButton.hidden = NO;

self.snapButton.layer.borderColor = [UIColor whiteColor].CGColor;

self.snapButton.backgroundColor = [[UIColor whiteColor] colorWithAlphaComponent:0.5];

[self.camera stopRecording:^(LLSimpleCamera *camera, NSURL *outputFileUrl, NSError *error) {

VideoViewController *vc = [[VideoViewController alloc] initWithVideoUrl:outputFileUrl];

[self.navigationController pushViewController:vc animated:YES];

}];

}

}

}

/* other lifecycle methods */

- (void)viewWillLayoutSubviews {

[super viewWillLayoutSubviews];

self.camera.view.frame = self.view.contentBounds;

self.snapButton.center = self.view.contentCenter;

self.snapButton.bottom = self.view.height - 15;

self.flashButton.center = self.view.contentCenter;

self.flashButton.top = 5.0f;

self.switchButton.top = 5.0f;

self.switchButton.right = self.view.width - 5.0f;

}

- (BOOL)prefersStatusBarHidden {

return YES;

}

- (UIInterfaceOrientation) preferredInterfaceOrientationForPresentation {

return UIInterfaceOrientationPortrait;

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

}

#pragma mark - Navigation

//#warning - Change your according image view controller here after taking the photo

- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender

{

if ([segue.identifier isEqualToString:@"Show Image Preview"]) {

PreviewImageViewController *pivc = segue.destinationViewController;

pivc.image = (UIImage *)sender;

}

}

@end