Imanol-Mikel Barba Sabariego / btvendor · Files

//
//  EMDevicePickerViewController.m
//  TestAppExample
//
//  Created by Dexter Weiss on 10/10/13.
//  Copyright (c) 2013 Emmoco. All rights reserved.
//

#import "EMDevicePickerViewController.h"
#import "EMFramework.h"
#import <QuartzCore/QuartzCore.h>

@interface EMDevicePickerViewController ()

@property (nonatomic, strong) IBOutlet UIView *connectingView;
@property (nonatomic, strong) IBOutlet UIActivityIndicatorView *activityIndicator;
@property (nonatomic, strong) IBOutlet UIView *popoverView;

@end

@implementation EMDevicePickerViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

    if (self)
    {

        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    [[NSBundle mainBundle] loadNibNamed:@"EMConnectingView" owner:self options:nil];
    [[[self popoverView] layer] setCornerRadius:10.0f];
    [[self connectingView] setHidden:YES];
    [[self connectingView] setFrame:[[self view] bounds]];
    [[self view] addSubview:[self connectingView]];
	[[EMConnectionListManager sharedManager] addObserver:self forKeyPath:@"devices" options:0 context:NULL];
}

-(void)_showConnectingView
{

    [[self activityIndicator] startAnimating];
    [[self connectingView] setHidden:NO];
}

-(void)_hideConnectingView
{

    [[self activityIndicator] stopAnimating];
    [[self connectingView] setHidden:YES];
}

-(void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
    if (object == [EMConnectionListManager sharedManager])
    {

        [[self tableView] reloadData];
    }
}

#pragma mark - Table View Methods

-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{

    return 1;
}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{

    return MAX([[[EMConnectionListManager sharedManager] devices] count], 1);
}

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{

    UITableViewCell *deviceCell = [tableView dequeueReusableCellWithIdentifier:@"DeviceCell"];
    [[deviceCell detailTextLabel] setTextColor:[UIColor darkGrayColor]];

    EMDeviceBasicDescription *description = nil;

    if ([indexPath row] < [[[EMConnectionListManager sharedManager] devices] count])
    {

        description = [[[EMConnectionListManager sharedManager] devices] objectAtIndex:[indexPath row]];
    }

    if (description)
    {

        [[deviceCell textLabel] setText:[description name]];

        [[deviceCell detailTextLabel] setText:[NSString stringWithFormat:NSLocalizedString(@"Signal Strength: %0.0f",nil), [description signalStrength]]];

    }

    else
    {

        [[deviceCell textLabel] setText:NSLocalizedString(@"Searching for devices...", @"No devices found string")];
        [[deviceCell detailTextLabel] setText:nil];
    }

    return deviceCell;
}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{

    if([[[[tableView cellForRowAtIndexPath:indexPath] textLabel] text] isEqualToString:NSLocalizedString(@"Searching for devices...",nil)])

    {
        return;
    }

    [self _showConnectingView];
    EMDeviceBasicDescription *description = [[[EMConnectionListManager sharedManager] devices] objectAtIndex:[indexPath row]];

    [[EMConnectionManager sharedManager] connectDevice:description onSuccess:^
        {
            [self _hideConnectingView];
            [self performSegueWithIdentifier:@"ConnectionSegue" sender:self];
        }
        onFail:^(NSError *error)
        {
            [self _hideConnectingView];
            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Connection Failed", @"Alert title") message:NSLocalizedString(@"An error occurred while trying to connect to the selected device", @"Alert message") delegate:nil cancelButtonTitle:NSLocalizedString(@"Close", @"Close button") otherButtonTitles:nil];
            [alert show];
        }
    ];

}

@end