/*

    File: BonjourWebAppDelegate.m 

Abstract:  The application delegate.

It creates the BonjourBrowser (a navigation controller) and is the delgate for

that BonjourBrowser.

When it gets the delegate callback, it constructs a URL and launches that URL

in Safari.

 Version: 2.9 

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*/

#import "BonjourWebAppDelegate.h"

#import "BonjourBrowser.h"

#define kWebServiceType @"_http._tcp"

#define kInitialDomain  @"local"

@implementation BonjourWebAppDelegate

@synthesize window;

@synthesize browser;

- (void)applicationDidFinishLaunching:(UIApplication *)application {

    // Create the Bonjour Browser for Web services

    BonjourBrowser *aBrowser = [[BonjourBrowser alloc] initForType:kWebServiceType

                                                          inDomain:kInitialDomain

                                                  customDomains:nil // we won't save any additional domains added by the user

                                       showDisclosureIndicators:NO

                                               showCancelButton:NO];

    self.browser = aBrowser;

    [aBrowser release];

    self.browser.delegate = self;

    // We want to let the user know that the services list is dynamic and always updating, even when there are no

    // services currently found.

    self.browser.searchingForServicesString = NSLocalizedString(@"Searching for web services", @"Searching for web services string");

    // Add the controller's view as a subview of the window

    [self.window addSubview:[self.browser view]];

}

- (void)dealloc {

    [browser release];

    [window release];

    [super dealloc];

}

- (NSString *)copyStringFromTXTDict:(NSDictionary *)dict which:(NSString*)which {

    // Helper for getting information from the TXT data

    NSData* data = [dict objectForKey:which];

    NSString *resultString = nil;

    if (data) {

        resultString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];

    }

    return resultString;

}

- (void) bonjourBrowser:(BonjourBrowser*)browser didResolveInstance:(NSNetService*)service {

    // Construct the URL including the port number

    // Also use the path, username and password fields that can be in the TXT record

    NSDictionary* dict = [[NSNetService dictionaryFromTXTRecordData:[service TXTRecordData]] retain];

    NSString *host = [service hostName];

    NSString* user = [self copyStringFromTXTDict:dict which:@"u"];

    NSString* pass = [self copyStringFromTXTDict:dict which:@"p"];

    NSString* portStr = @"";

    // Note that [NSNetService port:] returns an NSInteger in host byte order

    NSInteger port = [service port];

    if (port != 0 && port != 80)

            portStr = [[NSString alloc] initWithFormat:@":%d",port];

    NSString* path = [self copyStringFromTXTDict:dict which:@"path"];

    if (!path || [path length]==0) {

            [path release];

            path = [[NSString alloc] initWithString:@"/"];

    } else if (![[path substringToIndex:1] isEqual:@"/"]) {

            NSString *tempPath = [[NSString alloc] initWithFormat:@"/%@",path];

            [path release];

            path = tempPath;

    }

    NSString* string = [[NSString alloc] initWithFormat:@"http://%@%@%@%@%@%@%@",

                                                user?user:@"",

                                                pass?@":":@"",

                                                pass?pass:@"",

                                                (user||pass)?@"@":@"",

                                                host,

                                                portStr,

                                                path];

    NSURL *url = [[NSURL alloc] initWithString:string];

    [[UIApplication sharedApplication] openURL:url];

    [url release];

    [string release];

    [portStr release];

    [pass release];

    [user release];

    [dict release];

    [path release];

}

@end