#import "HUD.h"

#import "QuartzCore/QuartzCore.h"

static UIView* lastViewWithHUD = nil;

@interface GlowButton : UIButton <MBProgressHUDDelegate>

@implementation GlowButton

{

NSTimer* timer;

float glowDelta;

}

-(id)initWithFrame:(CGRect)frame

{

self = [super initWithFrame:frame];

if (self) {

//effect

self.layer.shadowColor = [UIColor whiteColor].CGColor;

self.layer.shadowOffset = CGSizeMake(1,1);

self.layer.shadowOpacity = 0.9;

glowDelta = 0.2;

timer = [NSTimer timerWithTimeInterval:0.05

target:self

selector:@selector(glow)

userInfo:nil

repeats:YES];

[[NSRunLoop mainRunLoop] addTimer:timer forMode:NSDefaultRunLoopMode];

}

return self;

}

-(void)glow

{

if (self.layer.shadowRadius>7.0 || self.layer.shadowRadius<0.1) {

glowDelta *= -1;

}

self.layer.shadowRadius += glowDelta;

}

-(void)dealloc

{

[timer invalidate];

timer = nil;

}

@implementation HUD

+(UIView*)rootView

{

//return [UIApplication sharedApplication].keyWindow.rootViewController.view;

UIViewController *topController = [UIApplication sharedApplication].keyWindow.rootViewController;

while (topController.presentedViewController) {

topController = topController.presentedViewController;

}

return topController.view;

}

+(MBProgressHUD*)showUIBlockingIndicator

{

return [self showUIBlockingIndicatorWithText:nil];

}

+(MBProgressHUD*)showUIBlockingIndicatorWithText:(NSString*)str

{

[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:YES];

//show the HUD

UIView* targetView = [self rootView];

if (targetView==nil) return nil;

lastViewWithHUD = targetView;

[MBProgressHUD hideHUDForView:targetView animated:YES];

MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:targetView animated:YES];

if (str!=nil) {

hud.labelText = str;

} else {

hud.labelText = @"Loading...";

}

return hud;

}

+(MBProgressHUD*)showUIBlockingIndicatorWithText:(NSString*)str withTimeout:(int)seconds

{

MBProgressHUD* hud = [self showUIBlockingIndicatorWithText:str];

[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];

hud.customView = [[UIView alloc] initWithFrame:CGRectMake(0,0,37,37)];

hud.mode = MBProgressHUDModeDeterminate;

[hud hide:YES afterDelay:seconds];

return hud;

}

+(MBProgressHUD*)showAlertWithTitle:(NSString*)titleText text:(NSString*)text

{

return [self showAlertWithTitle:titleText text:text target:nil action:NULL];

}

+(MBProgressHUD*)showAlertWithTitle:(NSString*)titleText text:(NSString*)text target:(id)t action:(SEL)sel

{

[HUD hideUIBlockingIndicator];

//show the HUD

UIView* targetView = [self rootView];

if (targetView==nil) return nil;

lastViewWithHUD = targetView;

MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:targetView animated:YES];

//set the text

hud.labelText = titleText;

hud.detailsLabelText = text;

//set the close button

GlowButton* btnClose = [GlowButton buttonWithType:UIButtonTypeCustom];

if (t!=nil && sel!=NULL) {

[btnClose addTarget:t action:sel forControlEvents:UIControlEventTouchUpInside];

} else {

[btnClose addTarget:hud action:@selector(hide:) forControlEvents:UIControlEventTouchUpInside];

}

UIImage* imgClose = [UIImage imageNamed:@"btnCheck.png"];

[btnClose setImage:imgClose forState:UIControlStateNormal];

[btnClose setFrame:CGRectMake(0,0,imgClose.size.width,imgClose.size.height)];

//hud settings

hud.customView = btnClose;

hud.mode = MBProgressHUDModeCustomView;

hud.removeFromSuperViewOnHide = YES;

return hud;

}

+(void)hideUIBlockingIndicator

{

[MBProgressHUD hideHUDForView:lastViewWithHUD animated:YES];

[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];

}

+(MBProgressHUD*)showUIBlockingProgressIndicatorWithText:(NSString*)str andProgress:(float)progress

{

[HUD hideUIBlockingIndicator];

//show the HUD

UIView* targetView = [self rootView];

if (targetView==nil) return nil;

lastViewWithHUD = targetView;

MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:targetView animated:YES];

//set the text

hud.labelText = str;

hud.mode = MBProgressHUDModeDeterminate;

hud.progress = progress;

hud.removeFromSuperViewOnHide = YES;

return hud;

}