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path: root/Example Apps/Example ObjC/ConnectionTCPTableViewController.m
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//
//  ConnectionTCPTableViewController.m
//  SmartDeviceLink-iOS

#import <AVFoundation/AVFoundation.h>
#import <MobileCoreServices/MobileCoreServices.h>

#import "ConnectionTCPTableViewController.h"

#import "Preferences.h"
#import "ProxyManager.h"
#import "SDLStreamingMediaManager.h"

@interface ConnectionTCPTableViewController ()

@property (weak, nonatomic) IBOutlet UITextField *ipAddressTextField;
@property (weak, nonatomic) IBOutlet UITextField *portTextField;

@property (weak, nonatomic) IBOutlet UITableViewCell *connectTableViewCell;
@property (weak, nonatomic) IBOutlet UIButton *connectButton;

@end



@implementation ConnectionTCPTableViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    // Observe Proxy Manager state
    [[ProxyManager sharedManager] addObserver:self forKeyPath:NSStringFromSelector(@selector(state)) options:(NSKeyValueObservingOptionInitial|NSKeyValueObservingOptionNew) context:nil];
    
    // Tableview setup
    self.tableView.keyboardDismissMode = UIScrollViewKeyboardDismissModeOnDrag;
    self.ipAddressTextField.text = [Preferences sharedPreferences].ipAddress;
    self.portTextField.text = [@([Preferences sharedPreferences].port) stringValue];
    
    // Connect Button setup
    self.connectButton.tintColor = [UIColor whiteColor];
}

- (void)dealloc {
    @try {
        [[ProxyManager sharedManager] removeObserver:self forKeyPath:NSStringFromSelector(@selector(state))];
    } @catch (NSException __unused *exception) {}
}


#pragma mark - IBActions

- (IBAction)connectButtonWasPressed:(UIButton *)sender {
    [Preferences sharedPreferences].ipAddress = self.ipAddressTextField.text;
    [Preferences sharedPreferences].port = self.portTextField.text.integerValue;
    
    ProxyState state = [ProxyManager sharedManager].state;
    switch (state) {
        case ProxyStateStopped: {
            [[ProxyManager sharedManager] startWithProxyTransportType:ProxyTransportTypeTCP];
        } break;
        case ProxyStateSearchingForConnection: {
            [[ProxyManager sharedManager] stopConnection];
        } break;
        case ProxyStateConnected: {
            [[ProxyManager sharedManager] stopConnection];
        } break;
        default: break;
    }
}


#pragma mark - Table view delegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.section != 0) { return; }
    
    switch (indexPath.row) {
        case 0: {
            [self.ipAddressTextField becomeFirstResponder];
        } break;
        case 1: {
            [self.portTextField becomeFirstResponder];
        } break;
        default: break;
    }
}


#pragma mark - KVO

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
    if ([keyPath isEqualToString:NSStringFromSelector(@selector(state))]) {
        ProxyState newState = [change[NSKeyValueChangeNewKey] unsignedIntegerValue];
        [self proxyManagerDidChangeState:newState];
    }
}

- (void)proxyManagerDidChangeState:(ProxyState)newState {
    UIColor* newColor = nil;
    NSString* newTitle = nil;
    
    switch (newState) {
        case ProxyStateStopped: {
            newColor = [UIColor colorWithRed:(255.0 / 255.0) green:(69.0 / 255.0) blue:(58.0 / 255.0) alpha:1.0];
            newTitle = @"Connect";
        } break;
        case ProxyStateSearchingForConnection: {
            newColor = [UIColor colorWithRed:(255.0 / 255.0) green:(159.0 / 255.0) blue:(10.0 / 255.0) alpha:1.0];
            newTitle = @"Stop Searching";
        } break;
        case ProxyStateConnected: {
            newColor = [UIColor colorWithRed:(50.0 / 255.0) green:(215.0 / 255.0) blue:(75.0 / 255.0) alpha:1.0];
            newTitle = @"Disconnect";
        } break;
        default: break;
    }
    
    if (newColor || newTitle) {
        dispatch_async(dispatch_get_main_queue(), ^{
            [self.connectTableViewCell setBackgroundColor:newColor];
            [self.connectButton setTitle:newTitle forState:UIControlStateNormal];
        });
    }
}

@end