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#import <UIKit/UIKit.h>

@interface ViewController : UIViewController

{

    NSTimer *timer;

}

@property (retain, nonatomic) IBOutlet UIWebView *browser;

@property (retain, nonatomic) IBOutlet UIBarButtonItem *doBtn;

@property (retain, nonatomic) IBOutlet UIBarButtonItem *resetBtn;

@property (retain, nonatomic) IBOutlet UILabel *score;

@property (retain, nonatomic) IBOutlet UILabel *condition;

- (void)loadPage;

- (void)clearPage;

- (void)webViewDidStartLoad:(UIWebView *)webView;

- (void)webViewDidFinishLoad:(UIWebView *)webView;

- (IBAction)startDown:(id)sender;

- (IBAction)resetDown:(id)sender;

@property (assign) BOOL measuring;

@property (assign) BOOL timerAvailable;

@property (retain, nonatomic) NSDate *stDate;

- (void)startTimer;

- (void)stopTimer;

- (void)resetTimer;

- (void)onTimer:(NSTimer *)timer;

@end

#import "ViewController.h"

@implementation ViewController

@synthesize browser;

@synthesize doBtn;

@synthesize resetBtn;

@synthesize score;

@synthesize condition;

@synthesize measuring;

@synthesize timerAvailable;

@synthesize stDate;

- (void)didReceiveMemoryWarning

{

    [super didReceiveMemoryWarning];

    // Release any cached data, images, etc that aren't in use.

}

#pragma mark - View lifecycle

- (void)viewDidLoad

{

    [super viewDidLoad];

    measuring = FALSE;

    self.score.text = @"tap start";

    timerAvailable = FALSE;

    [self resetTimer];

    timer = [NSTimer scheduledTimerWithTimeInterval:(0.01)

                                             target:self

                                           selector:@selector(onTimer:)

                                           userInfo:nil

                                            repeats:YES];

	// Do any additional setup after loading the view, typically from a nib.

}

- (void)viewDidUnload

{

    [self setBrowser:nil];

    [self setDoBtn:nil];

    [self setResetBtn:nil];

    [self setScore:nil];

    [self setCondition:nil];

    [super viewDidUnload];

    // Release any retained subviews of the main view.

    // e.g. self.myOutlet = nil;

}

- (void)viewWillAppear:(BOOL)animated

{

    [super viewWillAppear:animated];

}

- (void)viewDidAppear:(BOOL)animated

{

    [super viewDidAppear:animated];

}

- (void)viewWillDisappear:(BOOL)animated

{

	[super viewWillDisappear:animated];

}

- (void)viewDidDisappear:(BOOL)animated

{

	[super viewDidDisappear:animated];

}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

    // Return YES for supported orientations

    return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown);

}

- (void)dealloc {

    [browser release];

    [doBtn release];

    [resetBtn release];

    [score release];

    [condition release];

    [super dealloc];

}

- (void)loadPage

{

    [browser loadRequest:[NSURLRequest requestWithURL:[NSURL

URLWithString:@"http://www.henjinkutsu.net"]]];

}

- (void)clearPage

{

    NSString *htmlString = @"≶html style=\"background-color:#444\"></html>";

    [browser loadHTMLString:htmlString baseURL:nil];

}

- (void)webViewDidStartLoad:(UIWebView *)webView

{

    NSLog(@"start load...");

    [UIApplication sharedApplication].networkActivityIndicatorVisible = YES;

    if (timerAvailable)

    {

        [self startTimer];

    }

}

- (void)webViewDidFinishLoad:(UIWebView *)webView

{

    [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;

    NSLog(@"finish load...");

    if (timerAvailable)

    {

        [self stopTimer];

    }

}

- (IBAction)startDown:(id)sender

{

    NSLog(@"start...");

    timerAvailable = TRUE;

    [self loadPage];

}

- (IBAction)resetDown:(id)sender

{

    NSLog(@"reset...");

    [self resetTimer];

}

- (void)startTimer

{

    measuring = TRUE;

    condition.text = @"loading: ";

    stDate = [NSDate date];

    [stDate retain];

}

- (void)stopTimer

{

    condition.text = @"done: ";

    measuring = FALSE;

}

- (void)resetTimer

{

    self.timerAvailable = FALSE;

    [self clearPage];

    condition.text = @"prepared: ";

    score.text = @"0.00 sec";

}

- (void)onTimer:(NSTimer *)timer

{

    if (measuring)

    {

        NSDate *now = [NSDate date];

        self.score.text = [NSString stringWithFormat:@"%.2f sec", [now

timeIntervalSinceDate:stDate]];

    }

}

@end