Useful Macros for iOS

TWRMacros.h

//
//  TWRMacros.h
//  Dispatching
//
//  Created by Michelangelo Chasseur on 24/05/14.
//  Copyright (c) 2014 Touchware. All rights reserved.
//

#ifndef Dispatching_TWRMacros_h
#define Dispatching_TWRMacros_h

#define TWRApplicationDelegate                 ((AppDelegate *)[[UIApplication sharedApplication] delegate])
#define TWRUserDefaults                        [NSUserDefaults standardUserDefaults]
#define TWRNotificationCenter                  [NSNotificationCenter defaultCenter]
#define TWRSharedApplication                   [UIApplication sharedApplication]
#define TWRBundle                              [NSBundle mainBundle]
#define TWRMainScreen                          [UIScreen mainScreen]

// Network Activity
#define TWRShowNetworkActivityIndicator()      [UIApplication sharedApplication].networkActivityIndicatorVisible = YES
#define TWRHideNetworkActivityIndicator()      [UIApplication sharedApplication].networkActivityIndicatorVisible = NO
#define TWRNetworkActivityIndicatorVisible(x)  [UIApplication sharedApplication].networkActivityIndicatorVisible = x

#define TWRNavBar                              self.navigationController.navigationBar
#define TWRTabBar                              self.tabBarController.tabBar
#define TWRNavBarHeight                        self.navigationController.navigationBar.bounds.size.height
#define TWRTabBarHeight                        self.tabBarController.tabBar.bounds.size.height
#define TWRScreenWidth                         [[UIScreen mainScreen] bounds].size.width
#define TWRScreenHeight                        [[UIScreen mainScreen] bounds].size.height

// Views and rects
#define TWRViewWidth(v)                        v.frame.size.width
#define TWRViewHeight(v)                       v.frame.size.height
#define TWRViewX(v)                            v.frame.origin.x
#define TWRViewY(v)                            v.frame.origin.y
#define TWRSelfViewWidth                       self.view.bounds.size.width
#define TWRSelfViewHeight                      self.view.bounds.size.height
#define TWRRectX(f)                            f.origin.x
#define TWRRectY(f)                            f.origin.y
#define TWRRectWidth(f)                        f.size.width
#define TWRRectHeight(f)                       f.size.height
#define TWRRectSetWidth(f, w)                  CGRectMake(RectX(f), RectY(f), w, RectHeight(f))
#define TWRRectSetHeight(f, h)                 CGRectMake(RectX(f), RectY(f), RectWidth(f), h)
#define TWRRectSetX(f, x)                      CGRectMake(x, RectY(f), RectWidth(f), RectHeight(f))
#define TWRRectSetY(f, y)                      CGRectMake(RectX(f), y, RectWidth(f), RectHeight(f))
#define TWRRectSetSize(f, w, h)                CGRectMake(RectX(f), RectY(f), w, h)
#define TWRRectSetOrigin(f, x, y)              CGRectMake(x, y, RectWidth(f), RectHeight(f))

// Date
#define TWR_DATE_COMPONENTS                     NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit
#define TWR_TIME_COMPONENTS                     NSHourCalendarUnit|NSMinuteCalendarUnit|NSSecondCalendarUnit

// Colors
#define TWR_RGB(r, g, b)                        [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:1.0]
#define TWR_RGBA(r, g, b, a)                    [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:a]
#define TWR_HEXCOLOR(c)                         [UIColor colorWithRed:((c>>16)&0xFF)/255.0 green:((c>>8)&0xFF)/255.0 blue:(c&0xFF)/255.0 alpha:1.0];

// Devices
#define TWR_isIPad   (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
#define TWR_isIPhone (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)

#define TWR_isRetinaDevice ([[UIScreen mainScreen] respondsToSelector:@selector(scale)] && [[UIScreen mainScreen] scale] >= 2)
#define TWR_isMultiTaskingSupported ([[UIDevice currentDevice] respondsToSelector:@selector(isMultitaskingSupported)] && [[UIDevice currentDevice] isMultitaskingSupported])

// Threading
#define TWR_runOnMainThread if (![NSThread isMainThread]) { dispatch_sync(dispatch_get_main_queue(), ^{ [self performSelector:_cmd]; }); return; };

// Debug
#ifdef DEBUG
#define TWRLog( s, ... ) NSLog( @"<%@:%d> %@", [[NSString stringWithUTF8String:__FILE__] lastPathComponent], __LINE__,  [NSString stringWithFormat:(s), ##__VA_ARGS__] )
#else
#define TWRLog( s, ... )
#endif

#define TWRLog_Bounds(view) TWRLog(@"%@ bounds: %@", view, NSStringFromRect([view bounds]))
#define TWRLog_Frame(view)  TWRLog(@"%@ frame: %@", view, NSStringFromRect([view frame]))

#define TWR_SHOW_VIEW_BORDERS YES
#define TWR_showDebugBorderForViewColor(view, color) if (UA_SHOW_VIEW_BORDERS) { view.layer.borderColor = color.CGColor; view.layer.borderWidth = 1.0; }
#define TWR_showDebugBorderForView(view) UA_showDebugBorderForViewColor(view, [UIColor colorWithRed:1.000 green:0.000 blue:0.024 alpha:1.000])

#endif