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HUD.m
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HUD.m
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//
// HUD.m
// BeatGuide
//
// This code is distributed under the terms and conditions of the MIT license.
//
// Copyright (c) 2011 Marin Todorov
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#import "HUD.h"
#import "QuartzCore/QuartzCore.h"
static UIView* lastViewWithHUD = nil;
@interface GlowButton : UIButton <MBProgressHUDDelegate>
@end
@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;
}
@end
@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;
}
@end