content

Classes/MessageBarManager.h

@@ -0,0 +1,35 @@
+//
+//  MessageBarManager.h
+//
+//  Created by Terry Worona on 5/13/13.
+//  Copyright (c) 2013 Terry Worona. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+typedef enum {
+    MessageBarMessageTypeError,
+    MessageBarMessageTypeSuccess,
+    MessageBarMessageTypeInfo,
+    MessageBarMessageTypeLogo
+} MessageBarMessageType;
+
+@interface MessageBarManager : NSObject
+
++ (MessageBarManager *)sharedInstance;
++ (CGFloat)durationForMessageType:(MessageBarMessageType)messageType;
+
+- (void)showGenericServerError;
+- (void)showSaveErrorWithResourceName:(NSString*)resource;
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type;
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type callback:(void (^)())callback;
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type forDuration:(CGFloat)duration;
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type forDuration:(CGFloat)duration callback:(void (^)())callback;
+
+- (void)showAppUpgradeAvailableWithCallback:(void (^)())buttonCallback;
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type withButtonCallback:(void (^)())buttonCallback;
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type withButtonCallback:(void (^)())buttonCallback callback:(void (^)())callback;
+
+@end

Classes/MessageBarManager.m

@@ -0,0 +1,553 @@
+//
+//  MessageBarManager.m
+//
+//  Created by Terry Worona on 5/13/13.
+//  Copyright (c) 2013 Terry Worona. All rights reserved.
+//
+
+#import "GAMessageBarManager.h"
+
+// Constants
+#import "GAConstants.h"
+
+// quartz
+#import <QuartzCore/QuartzCore.h>
+
+// Delegate
+#import "AppDelegate.h"
+
+// Drawing
+#import "GADrawUtils.h"
+
+#define kGAMessageBarAlpha 0.96
+#define kGAMessageBarPadding 10
+#define kGAMessageBarButtonWidth 60
+#define kGAMessageBarButtonHeight 30
+#define kGAMessageBarMaxDescriptionHeight 250
+#define kGAMessageBarIconSize 36
+#define kGAMessageBarRegularDisplayDelay 3.0
+#define kGAMessageBarErrorDisplayDelay 5.0
+#define kGAMessageBarTextOffset 2.0
+
+typedef enum {
+    GAMessageViewTypeVirgin = 1,
+    GAMessageViewTypeHit
+} GAMessageViewType;
+
+@class GAMessageView;
+
+@interface GAMessageView : UIView
+
+@property (nonatomic, strong) NSString *titleString;
+@property (nonatomic, strong) NSString *descriptionString;
+@property (nonatomic, assign) GAMessageBarMessageType messageType;
+@property (nonatomic, strong) UIImageView *shadowView;
+
+@property (nonatomic, assign) BOOL hasCallback;
+@property (nonatomic, strong) NSArray *callbacks;
+
+@property (nonatomic, assign) BOOL hasButtonCallback;
+@property (nonatomic, strong) NSArray *buttonCallbacks;
+
+@property (nonatomic, assign, getter = isHit) BOOL hit;
+
+@property (nonatomic, assign, readonly) CGFloat height;
+@property (nonatomic, assign, readonly) CGFloat width;
+
+@property (nonatomic, assign) CGFloat duration;
+
+@property (nonatomic, strong) UIButton *button;
+
+- (id)initWithTitle:(NSString*)title description:(NSString*)description type:(GAMessageBarMessageType)type;
+- (id)initWithTitle:(NSString*)title description:(NSString*)description type:(GAMessageBarMessageType)type buttonText:(NSString*)buttonText;
+
+- (void)buttonPressed:(id)sender;
+
+@end
+
+@interface GAMessageBarManager ()
+
+@property (nonatomic, strong) NSMutableArray *messageBarQueue;
+@property (nonatomic, assign, getter = isMessageVisible) BOOL messageVisible;
+@property (nonatomic, assign) CGFloat messageBarOffset;
+
+- (void)showNextMessage;
+- (void)itemSelected:(UITapGestureRecognizer*)recognizer;
+
+@end
+
+@implementation GAMessageBarManager
+
+@synthesize messageBarQueue = _messageBarQueue;
+@synthesize messageVisible = _messageVisible;
+@synthesize messageBarOffset = _messageBarOffset;
+
+#pragma mark - Singleton
+
++ (GAMessageBarManager *)sharedInstance
+{
+    static dispatch_once_t pred;
+    static GAMessageBarManager *instance = nil;
+    dispatch_once(&pred, ^{ instance = [[self alloc] init]; });
+	return instance;
+}
+
+#pragma mark - Static
+
++ (CGFloat)durationForMessageType:(GAMessageBarMessageType)messageType
+{
+    switch (messageType) {
+        case GAMessageBarMessageTypeError:
+            return kGAMessageBarErrorDisplayDelay;
+            break;
+        case GAMessageBarMessageTypeSuccess:
+            return kGAMessageBarRegularDisplayDelay;
+            break;
+        case GAMessageBarMessageTypeInfo:
+            return kGAMessageBarRegularDisplayDelay;
+            break;
+        case GAMessageBarMessageTypeLogo:
+            return kGAMessageBarRegularDisplayDelay;
+            break;
+        default:
+            break;
+    }
+    return kGAMessageBarRegularDisplayDelay;
+}
+
+#pragma mark - Alloc/Init
+
+-(id)init
+{
+    if(self = [super init]) {
+        _messageBarQueue = [[NSMutableArray alloc] init];        
+        _messageVisible = NO;
+        _messageBarOffset = [[UIApplication sharedApplication] statusBarFrame].size.height;
+    }
+    return self;
+}
+
+#pragma mark - Public
+
+- (void)showGenericServerError
+{
+    [self showMessageWithTitle:kGAStringMessageUnexpectedErrorTitle description:kGAStringMessageUnexpectedErrorMessage type:GAMessageBarMessageTypeError];
+}
+
+- (void)showSaveErrorWithResourceName:(NSString*)resource
+{
+    [self showMessageWithTitle:kGAStringMessageResourceSaveErrorTitle description:[NSString stringWithFormat:kGAStringMessageResourceSaveErrorMessage, [resource lowercaseString]] type:GAMessageBarMessageTypeError];
+}
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(GAMessageBarMessageType)type
+{
+    [self showMessageWithTitle:title description:description type:type forDuration:[GAMessageBarManager durationForMessageType:type] callback:nil];
+}
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(GAMessageBarMessageType)type callback:(void (^)())callback
+{
+    [self showMessageWithTitle:title description:description type:type forDuration:[GAMessageBarManager durationForMessageType:type] callback:callback];
+}
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(GAMessageBarMessageType)type forDuration:(CGFloat)duration
+{
+    [self showMessageWithTitle:title description:description type:type forDuration:duration callback:nil];
+}
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(GAMessageBarMessageType)type forDuration:(CGFloat)duration callback:(void (^)())callback
+{
+    GAMessageView *messageView = [[GAMessageView alloc] initWithTitle:title description:description type:type];
+
+    messageView.callbacks = callback ? [NSArray arrayWithObject:callback] : [NSArray array];
+    messageView.hasCallback = callback ? YES : NO;
+    
+    messageView.duration = duration;
+    messageView.hidden = YES;
+    
+    AppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
+    [delegate.window insertSubview:messageView atIndex:1];
+    [_messageBarQueue addObject:messageView];
+    
+    if (!_messageVisible){
+        [self showNextMessage];
+    }
+}
+
+- (void)showAppUpgradeAvailableWithCallback:(void (^)())buttonCallback
+{
+    GAMessageView *messageView = [[GAMessageView alloc] initWithTitle:kGAStringMessageUpdateMessageTitle description:kGAStringMessageUpdateMessage type:GAMessageBarMessageTypeLogo buttonText:kGAStringLabelView];
+
+    messageView.hasButtonCallback = buttonCallback ? YES : NO;
+    messageView.buttonCallbacks = buttonCallback ? [NSArray arrayWithObject:buttonCallback] : [NSArray array];
+    
+    messageView.duration = [GAMessageBarManager durationForMessageType:GAMessageBarMessageTypeLogo];
+    messageView.hidden = YES;
+    
+    AppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
+    [delegate.window insertSubview:messageView atIndex:1];
+    [_messageBarQueue addObject:messageView];
+    
+    if (!_messageVisible){
+        [self showNextMessage];
+    }
+}
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(GAMessageBarMessageType)type withButtonCallback:(void (^)())buttonCallback
+{
+    [self showMessageWithTitle:title description:description type:type withButtonCallback:buttonCallback callback:nil];
+}
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(GAMessageBarMessageType)type withButtonCallback:(void (^)())buttonCallback callback:(void (^)())callback
+{
+    GAMessageView *messageView = [[GAMessageView alloc] initWithTitle:title description:description type:type buttonText:kGAStringLabelView];
+    
+    messageView.hasButtonCallback = buttonCallback ? YES : NO;
+    messageView.buttonCallbacks = buttonCallback ? [NSArray arrayWithObject:buttonCallback] : [NSArray array];
+    
+    messageView.callbacks = callback ? [NSArray arrayWithObject:callback] : [NSArray array];
+    messageView.hasCallback = callback ? YES : NO;
+    
+    messageView.duration = [GAMessageBarManager durationForMessageType:type];
+    messageView.hidden = YES;
+    
+    AppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
+    [delegate.window insertSubview:messageView atIndex:1];
+    [_messageBarQueue addObject:messageView];
+    
+    if (!_messageVisible){
+        [self showNextMessage];
+    }
+}
+
+#pragma mark - Private
+
+- (void)showNextMessage
+{
+    if ([_messageBarQueue count] > 0){
+        _messageVisible = YES;
+        
+        GAMessageView *messageView = [_messageBarQueue objectAtIndex:0];
+        messageView.frame = CGRectMake(0, -[messageView height], [messageView width], [messageView height]);
+        messageView.hidden = NO;
+        [messageView setNeedsDisplay];
+
+        UITapGestureRecognizer *gest = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(itemSelected:)];
+        [messageView addGestureRecognizer:gest];
+
+        if (messageView){
+            [_messageBarQueue removeObject:messageView];
+            [UIView animateWithDuration:kGANumericDefaultAnimationDuration animations:^{
+                [messageView setFrame:CGRectMake(messageView.frame.origin.x, _messageBarOffset + messageView.frame.origin.y + [messageView height], [messageView width], [messageView height])]; // slide down
+            }];
+            
+            [self performSelector:@selector(itemSelected:) withObject:messageView afterDelay:messageView.duration];
+        }
+    }
+}
+
+#pragma mark - Gestures
+
+- (void)itemSelected:(id)sender
+{
+    GAMessageView *messageView = nil;
+    BOOL itemHit = NO;
+    if ([sender isKindOfClass:[UIGestureRecognizer class]]){
+        messageView = (GAMessageView*)((UIGestureRecognizer*)sender).view;
+        itemHit = YES;
+    }
+    else if ([sender isKindOfClass:[GAMessageView class]]){
+        messageView = (GAMessageView*)sender;
+    }
+    
+    if (messageView && ![messageView isHit]){
+        messageView.hit = YES;
+        [UIView animateWithDuration:kGANumericDefaultAnimationDuration animations:^{
+            [messageView setFrame:CGRectMake(messageView.frame.origin.x, messageView.frame.origin.y - [messageView height] - _messageBarOffset, [messageView width], [messageView height])]; // slide back up
+        } completion:^(BOOL finished) {
+            _messageVisible = NO;
+            [messageView removeFromSuperview];
+            
+            if (itemHit){
+                if ([messageView.callbacks count] > 0){
+                    id obj = [messageView.callbacks objectAtIndex:0];
+                    if (![obj isEqual:[NSNull null]]) {
+                        ((void (^)())obj)();
+                    }
+                }
+            }
+            
+            if([_messageBarQueue count] > 0) {
+                [self showNextMessage];
+            }
+        }];
+    }
+}
+
+@end
+
+static UIFont *titleFont = nil;
+static UIColor *titleColor = nil;
+
+static UIFont *descriptionFont = nil;
+static UIColor *descriptionColor = nil;
+
+static UIColor *shadowColor = nil;
+
+@implementation GAMessageView
+
+@synthesize titleString = _titleString;
+@synthesize descriptionString = _descriptionString;
+@synthesize messageType = _messageType;
+@synthesize shadowView = _shadowView;
+
+@synthesize hasCallback = _hasCallback;
+@synthesize callbacks = _callbacks;
+
+@synthesize hasButtonCallback = _hasButtonCallback;
+@synthesize buttonCallbacks = _buttonCallbacks;
+
+@synthesize hit = _hit;
+
+@synthesize width = _width;
+@synthesize height = _height;
+
+@synthesize duration = _duration;
+@synthesize button = _button;
+
+#pragma mark - Alloc/Init
+
+- (id)initWithTitle:(NSString*)title description:(NSString*)description type:(GAMessageBarMessageType)type
+{
+    return [self initWithTitle:title description:description type:type buttonText:nil];
+}
+
+- (id)initWithTitle:(NSString*)title description:(NSString*)description type:(GAMessageBarMessageType)type buttonText:(NSString*)buttonText
+{
+    self = [super initWithFrame:CGRectZero];
+    if (self){
+        
+        self.backgroundColor = [UIColor clearColor];
+        self.clipsToBounds = NO;
+        self.userInteractionEnabled = YES;
+        
+        _shadowView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:kGAImageBarShadowTop]];
+        [self addSubview:_shadowView];
+        
+        _titleString = title;
+        _descriptionString = description;
+        _messageType = type;
+        
+        titleFont = kGAFontMessageBarTitle;
+        titleColor = [UIColor colorWithWhite:0.95 alpha:1.0];
+        
+        descriptionFont = kGAFontMessageBarMessage;
+        descriptionColor = [UIColor colorWithWhite:0.9 alpha:1.0];
+        
+        shadowColor = [UIColor colorWithWhite:0.2 alpha:0.25];
+        
+        _height = 0.0;
+        _width = 0.0;
+        
+        _hasCallback = NO;
+        _hit = NO;
+        
+        if (buttonText){
+            _button = [UIButton buttonWithType:UIButtonTypeCustom];
+            [_button addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside];
+            
+            _button.titleLabel.font = [UIFont fontWithName:kGAFontSommetRoundedBlack size:14.0];
+            _button.titleLabel.adjustsFontSizeToFitWidth = YES;
+            _button.titleLabel.shadowOffset = CGSizeMake(0, -1);
+            _button.titleLabel.textAlignment = UITextAlignmentCenter;
+            [_button setTitleShadowColor:kGAColorDarkGray forState:UIControlStateNormal];
+            [_button setTitleShadowColor:kGAColorDarkGray forState:UIControlStateDisabled];
+            [_button setTitleShadowColor:kGAColorDarkGray forState:UIControlStateSelected];
+            [_button setTitleShadowColor:[UIColor blackColor] forState:UIControlStateHighlighted];
+            [_button setTitleShadowColor:[UIColor blackColor] forState:UIControlStateHighlighted | UIControlStateSelected];
+            
+            [_button setTitle:buttonText forState:UIControlStateNormal];
+            [_button setTitle:buttonText forState:UIControlStateDisabled];
+            [_button setTitle:buttonText forState:UIControlStateSelected];
+            [_button setTitle:buttonText forState:UIControlStateHighlighted];
+            [_button setTitle:buttonText forState:UIControlStateHighlighted | UIControlStateSelected];
+            
+            UIImage *buttonBackgroundImage = [UIImage imageNamed:kGAImageButtonNotification];
+            buttonBackgroundImage = [buttonBackgroundImage stretchableImageWithLeftCapWidth:ceil(buttonBackgroundImage.size.width/2) topCapHeight:ceil(buttonBackgroundImage.size.height/2)];
+            
+            UIImage *buttonBackgroundDepressedImage = [UIImage imageNamed:kGAImageButtonNotificationDepressed];
+            buttonBackgroundDepressedImage = [buttonBackgroundDepressedImage stretchableImageWithLeftCapWidth:ceil(buttonBackgroundDepressedImage.size.width/2) topCapHeight:ceil(buttonBackgroundDepressedImage.size.height/2)];
+            
+            [_button setBackgroundImage:buttonBackgroundImage forState:UIControlStateNormal];
+            [_button setBackgroundImage:buttonBackgroundImage forState:UIControlStateDisabled];
+            [_button setBackgroundImage:buttonBackgroundDepressedImage forState:UIControlStateSelected];
+            [_button setBackgroundImage:buttonBackgroundDepressedImage forState:UIControlStateHighlighted];
+            [_button setBackgroundImage:buttonBackgroundDepressedImage forState:UIControlStateHighlighted | UIControlStateSelected];
+
+            [_button setNeedsDisplay];
+            
+            [self addSubview:_button];
+        }
+    }
+    return self;
+}
+
+#pragma mark - Button Presses
+
+- (void)buttonPressed:(id)sender
+{
+    if ([_buttonCallbacks count] > 0){
+        id obj = [_buttonCallbacks objectAtIndex:0];
+        if (![obj isEqual:[NSNull null]]) {
+            ((void (^)())obj)();
+            
+            [[GAMessageBarManager sharedInstance] performSelector:@selector(itemSelected:) withObject:self afterDelay:0];
+        }
+    }
+}
+
+#pragma mark - Drawing
+
+- (void)drawRect:(CGRect)rect
+{
+    [super drawRect:rect];
+    
+	CGContextRef context = UIGraphicsGetCurrentContext();
+	
+	// bg gradient
+	CGRect gradientRect = CGRectMake(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height);
+    
+    CGContextSaveGState(context);
+    {
+        switch (_messageType) {
+            case GAMessageBarMessageTypeError:
+                drawVerticalLinearGradient(context, gradientRect,
+                                           [UIColor colorWithRed:0.858 green:0.329 blue:0.309 alpha:kGAMessageBarAlpha].CGColor, // light red
+                                           [UIColor colorWithRed:0.756 green:0.019 blue:0.0 alpha:kGAMessageBarAlpha].CGColor); // dark red
+                break;
+            case GAMessageBarMessageTypeSuccess:
+                drawVerticalLinearGradient(context, gradientRect,
+                                           [UIColor colorWithRed:0.149 green:0.749 blue:0.149 alpha:kGAMessageBarAlpha].CGColor, // light green
+                                           [UIColor colorWithRed:0.0 green:0.549 blue:0.0 alpha:kGAMessageBarAlpha].CGColor); // dark green
+                break;
+            case GAMessageBarMessageTypeInfo:
+                drawVerticalLinearGradient(context, gradientRect,
+                                           [UIColor colorWithRed:0.0 green:0.776 blue:0.831 alpha:kGAMessageBarAlpha].CGColor, // light teal
+                                           [UIColor colorWithRed:0.0 green:0.560 blue:0.6 alpha:kGAMessageBarAlpha].CGColor); // dark teal
+                break;
+            case GAMessageBarMessageTypeLogo:
+                drawVerticalLinearGradient(context, gradientRect,
+                                           [UIColor colorWithRed:0.0 green:0.776 blue:0.831 alpha:kGAMessageBarAlpha].CGColor, // light teal
+                                           [UIColor colorWithRed:0.0 green:0.560 blue:0.6 alpha:kGAMessageBarAlpha].CGColor); // dark teal
+                break;                
+            default:
+                break;
+        }
+    }
+    CGContextRestoreGState(context);
+
+    // bottom stroke
+    CGContextSaveGState(context);
+    {
+        CGContextBeginPath(context);
+        CGContextMoveToPoint(context, 0, rect.size.height);
+        switch (_messageType) {
+            case GAMessageBarMessageTypeError:
+                CGContextSetRGBStrokeColor(context, 0.984f, 0.0f, 0.0f, 1.0f); // red
+                break;
+            case GAMessageBarMessageTypeSuccess:
+                CGContextSetRGBStrokeColor(context, 0.074f, 0.749f, 0.074f, 1.0f); // green
+                break;
+            case GAMessageBarMessageTypeInfo:
+                CGContextSetRGBStrokeColor(context, 0.007f, 0.686f, 0.737f, 1.0f); // teal
+                break;
+            case GAMessageBarMessageTypeLogo:
+                CGContextSetRGBStrokeColor(context, 0.007f, 0.686f, 0.737f, 1.0f); // teal
+                break;
+            default:
+                break;
+        }
+        CGContextSetLineWidth(context, 1.0);
+        CGContextAddLineToPoint(context, rect.size.width, rect.size.height);
+        CGContextStrokePath(context);
+    }
+    CGContextRestoreGState(context);
+
+    CGFloat xOffset = kGAMessageBarPadding;
+    CGFloat yOffset = kGAMessageBarPadding;
+    
+    // icon
+    CGContextSaveGState(context);
+    {
+        switch (_messageType) {
+            case GAMessageBarMessageTypeError:
+                [[UIImage imageNamed:kGAImageIconNotificationWarning] drawInRect:CGRectMake(xOffset, yOffset, kGAMessageBarIconSize, kGAMessageBarIconSize)];
+                break;
+            case GAMessageBarMessageTypeSuccess:
+                [[UIImage imageNamed:kGAImageIconNotificationCheckmark] drawInRect:CGRectMake(xOffset, yOffset, kGAMessageBarIconSize, kGAMessageBarIconSize)];
+                break;
+            case GAMessageBarMessageTypeInfo:
+                [[UIImage imageNamed:kGAImageIconNotificationInfo] drawInRect:CGRectMake(xOffset, yOffset, kGAMessageBarIconSize, kGAMessageBarIconSize)];
+                break;
+            case GAMessageBarMessageTypeLogo:
+                [[UIImage imageNamed:kGAImageIconNotificationLogo] drawInRect:CGRectMake(xOffset, yOffset, kGAMessageBarIconSize, kGAMessageBarIconSize)];
+                break;
+            default:
+                break;
+        }
+    }
+    CGContextRestoreGState(context);
+    
+    yOffset -= kGAMessageBarTextOffset;
+    xOffset += kGAMessageBarIconSize + kGAMessageBarPadding;
+
+    CGFloat maxWith = _button ? (rect.size.width - (kGAMessageBarPadding * 3) - ceil(kGAMessageBarPadding * 0.5) - kGAMessageBarIconSize) - kGAMessageBarButtonWidth : (rect.size.width - (kGAMessageBarPadding * 3) - kGAMessageBarIconSize);
+    
+    CGSize titleLabelSize = [_titleString sizeWithFont:titleFont forWidth:maxWith lineBreakMode:UILineBreakModeTailTruncation];
+    if (_titleString && !_descriptionString){
+        yOffset = ceil(rect.size.height * 0.5) - ceil(titleLabelSize.height * 0.5) - kGAMessageBarTextOffset;
+    }
+    [shadowColor set];
+    [_titleString drawInRect:CGRectMake(xOffset, yOffset-1, titleLabelSize.width, titleLabelSize.height) withFont:titleFont lineBreakMode:UILineBreakModeTailTruncation alignment:UITextAlignmentLeft];
+    [titleColor set];
+	[_titleString drawInRect:CGRectMake(xOffset, yOffset, titleLabelSize.width, titleLabelSize.height) withFont:titleFont lineBreakMode:UILineBreakModeTailTruncation alignment:UITextAlignmentLeft];
+
+    yOffset += titleLabelSize.height;
+    
+    CGSize descriptionLabelSize = [_descriptionString sizeWithFont:descriptionFont constrainedToSize:CGSizeMake(maxWith, kGAMessageBarMaxDescriptionHeight) lineBreakMode:UILineBreakModeTailTruncation];
+    [shadowColor set];
+	[_descriptionString drawInRect:CGRectMake(xOffset, yOffset-1, descriptionLabelSize.width, descriptionLabelSize.height) withFont:descriptionFont lineBreakMode:UILineBreakModeTailTruncation alignment:UITextAlignmentLeft];
+    [descriptionColor set];
+	[_descriptionString drawInRect:CGRectMake(xOffset, yOffset, descriptionLabelSize.width, descriptionLabelSize.height) withFont:descriptionFont lineBreakMode:UILineBreakModeTailTruncation alignment:UITextAlignmentLeft];
+}
+
+#pragma mark - Layout
+
+- (void)layoutSubviews
+{
+    [super layoutSubviews];
+    _shadowView.frame = CGRectMake(0, [self height], [self width], _shadowView.image.size.height);
+    _button.frame = CGRectMake(self.frame.size.width - kGAMessageBarButtonWidth - kGAMessageBarPadding, ceil(self.frame.size.height * 0.5) - ceil(kGAMessageBarButtonHeight * 0.5), kGAMessageBarButtonWidth, kGAMessageBarButtonHeight);
+}
+
+#pragma mark - Getters
+
+- (CGFloat)height
+{
+    if (_height == 0){
+        CGFloat maxWith = _button ? ([self width] - (kGAMessageBarPadding * 3) - ceil(kGAMessageBarPadding * 0.5) - kGAMessageBarIconSize) - kGAMessageBarButtonWidth : ([self width] - (kGAMessageBarPadding * 3) - kGAMessageBarIconSize);
+        CGSize titleLabelSize = [_titleString sizeWithFont:titleFont forWidth:maxWith lineBreakMode:UILineBreakModeTailTruncation];
+        CGSize descriptionLabelSize = [_descriptionString sizeWithFont:descriptionFont constrainedToSize:CGSizeMake(maxWith, 10000) lineBreakMode:UILineBreakModeTailTruncation];
+        _height = MAX((kGAMessageBarPadding*2) + titleLabelSize.height + descriptionLabelSize.height, (kGAMessageBarPadding*2) + kGAMessageBarIconSize);
+    }
+    return _height;
+}
+
+- (CGFloat)width
+{
+    if (_width == 0){
+        _width = [UIScreen mainScreen].bounds.size.width;
+    }
+    return _width;
+}
+
+@end

Demo/MessageBarManagerDemo/MessageBarManagerDemo.xcodeproj/project.pbxproj

@@ -17,6 +17,13 @@
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 		569FCDF81741C09300F2B74C /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 569FCDF41741C09300F2B74C /* AppDelegate.m */; };
 		569FCDF91741C09300F2B74C /* ViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 569FCDF71741C09300F2B74C /* ViewController.m */; };
+		569FCDFD1741C34600F2B74C /* MessageBarManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 569FCDFC1741C34600F2B74C /* MessageBarManager.m */; };
+		56DE553117458A7B0026B7D2 /* icon-error.png in Resources */ = {isa = PBXBuildFile; fileRef = 56DE552B17458A7B0026B7D2 /* icon-error.png */; };
+		56DE553217458A7B0026B7D2 /* icon-error@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 56DE552C17458A7B0026B7D2 /* icon-error@2x.png */; };
+		56DE553317458A7B0026B7D2 /* icon-info.png in Resources */ = {isa = PBXBuildFile; fileRef = 56DE552D17458A7B0026B7D2 /* icon-info.png */; };
+		56DE553417458A7B0026B7D2 /* icon-info@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 56DE552E17458A7B0026B7D2 /* icon-info@2x.png */; };
+		56DE553517458A7B0026B7D2 /* icon-success.png in Resources */ = {isa = PBXBuildFile; fileRef = 56DE552F17458A7B0026B7D2 /* icon-success.png */; };
+		56DE553617458A7B0026B7D2 /* icon-success@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 56DE553017458A7B0026B7D2 /* icon-success@2x.png */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -35,6 +42,16 @@
 		569FCDF41741C09300F2B74C /* AppDelegate.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AppDelegate.m; sourceTree = "<group>"; };
 		569FCDF61741C09300F2B74C /* ViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ViewController.h; sourceTree = "<group>"; };
 		569FCDF71741C09300F2B74C /* ViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ViewController.m; sourceTree = "<group>"; };
+		569FCDFB1741C34600F2B74C /* MessageBarManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MessageBarManager.h; sourceTree = "<group>"; };
+		569FCDFC1741C34600F2B74C /* MessageBarManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MessageBarManager.m; sourceTree = "<group>"; };
+		56DE552B17458A7B0026B7D2 /* icon-error.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "icon-error.png"; sourceTree = "<group>"; };
+		56DE552C17458A7B0026B7D2 /* icon-error@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "icon-error@2x.png"; sourceTree = "<group>"; };
+		56DE552D17458A7B0026B7D2 /* icon-info.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "icon-info.png"; sourceTree = "<group>"; };
+		56DE552E17458A7B0026B7D2 /* icon-info@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "icon-info@2x.png"; sourceTree = "<group>"; };
+		56DE552F17458A7B0026B7D2 /* icon-success.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "icon-success.png"; sourceTree = "<group>"; };
+		56DE553017458A7B0026B7D2 /* icon-success@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "icon-success@2x.png"; sourceTree = "<group>"; };
+		56DE553917458AB20026B7D2 /* StringConstants.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = StringConstants.h; sourceTree = "<group>"; };
+		56DE553A17458AB20026B7D2 /* UIConstants.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = UIConstants.h; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -82,7 +99,10 @@
 			isa = PBXGroup;
 			children = (
 				569FCDF21741C09300F2B74C /* App Delegate */,
+				56DE553817458AB20026B7D2 /* Constants */,
 				569FCDF51741C09300F2B74C /* Controllers */,
+				569FCDFA1741C33700F2B74C /* Managers */,
+				56DE552917458A7B0026B7D2 /* Resources */,
 				564982641741BF7A00077B8C /* Supporting Files */,
 			);
 			path = MessageBarManagerDemo;
@@ -120,6 +140,45 @@
 			path = Controllers;
 			sourceTree = "<group>";
 		};
+		569FCDFA1741C33700F2B74C /* Managers */ = {
+			isa = PBXGroup;
+			children = (
+				569FCDFB1741C34600F2B74C /* MessageBarManager.h */,
+				569FCDFC1741C34600F2B74C /* MessageBarManager.m */,
+			);
+			name = Managers;
+			sourceTree = "<group>";
+		};
+		56DE552917458A7B0026B7D2 /* Resources */ = {
+			isa = PBXGroup;
+			children = (
+				56DE552A17458A7B0026B7D2 /* Icons */,
+			);
+			path = Resources;
+			sourceTree = "<group>";
+		};
+		56DE552A17458A7B0026B7D2 /* Icons */ = {
+			isa = PBXGroup;
+			children = (
+				56DE552B17458A7B0026B7D2 /* icon-error.png */,
+				56DE552C17458A7B0026B7D2 /* icon-error@2x.png */,
+				56DE552D17458A7B0026B7D2 /* icon-info.png */,
+				56DE552E17458A7B0026B7D2 /* icon-info@2x.png */,
+				56DE552F17458A7B0026B7D2 /* icon-success.png */,
+				56DE553017458A7B0026B7D2 /* icon-success@2x.png */,
+			);
+			path = Icons;
+			sourceTree = "<group>";
+		};
+		56DE553817458AB20026B7D2 /* Constants */ = {
+			isa = PBXGroup;
+			children = (
+				56DE553917458AB20026B7D2 /* StringConstants.h */,
+				56DE553A17458AB20026B7D2 /* UIConstants.h */,
+			);
+			path = Constants;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -175,6 +234,12 @@
 				564982701741BF7A00077B8C /* Default.png in Resources */,
 				564982721741BF7A00077B8C /* Default@2x.png in Resources */,
 				564982741741BF7A00077B8C /* Default-568h@2x.png in Resources */,
+				56DE553117458A7B0026B7D2 /* icon-error.png in Resources */,
+				56DE553217458A7B0026B7D2 /* icon-error@2x.png in Resources */,
+				56DE553317458A7B0026B7D2 /* icon-info.png in Resources */,
+				56DE553417458A7B0026B7D2 /* icon-info@2x.png in Resources */,
+				56DE553517458A7B0026B7D2 /* icon-success.png in Resources */,
+				56DE553617458A7B0026B7D2 /* icon-success@2x.png in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -188,6 +253,7 @@
 				5649826A1741BF7A00077B8C /* main.m in Sources */,
 				569FCDF81741C09300F2B74C /* AppDelegate.m in Sources */,
 				569FCDF91741C09300F2B74C /* ViewController.m in Sources */,
+				569FCDFD1741C34600F2B74C /* MessageBarManager.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

Demo/MessageBarManagerDemo/MessageBarManagerDemo/App Delegate/AppDelegate.m

@@ -8,6 +8,7 @@
 
 #import "AppDelegate.h"
 
+// Controllers
 #import "ViewController.h"
 
 @implementation AppDelegate

Demo/MessageBarManagerDemo/MessageBarManagerDemo/Constants/StringConstants.h

@@ -0,0 +1,24 @@
+//
+//  Constants.h
+//  MessageBarManagerDemo
+//
+//  Created by Terry Worona on 5/16/13.
+//  Copyright (c) 2013 Terry Worona. All rights reserved.
+//
+
+#define localize(key, default) NSLocalizedStringWithDefaultValue(key, nil, [NSBundle mainBundle], default, nil)
+
+#pragma mark - Message Bars
+
+#define kStringMessageBarErrorTitle localize(@"message.bar.error.title", @"Error Title")
+#define kStringMessageBarErrorMessage localize(@"message.bar.error.message", @"This is an error message!")
+#define kStringMessageBarSuccessTitle localize(@"message.bar.success.title", @"Information Title")
+#define kStringMessageBarSuccessMessage localize(@"message.bar.success.message", @"This is an info message!")
+#define kStringMessageBarInfoTitle localize(@"message.bar.info.title", @"Information Title")
+#define kStringMessageBarInfoMessage localize(@"message.bar.info.message", @"This is an info message!")
+
+#pragma mark - Buttons
+
+#define kStringButtonLabelSuccessMessage localize(@"button.label.success.message", @"Success Message")
+#define kStringButtonLabelErrorMessage localize(@"button.label.error.message", @"Error Message")
+#define kStringButtonLabelInfoMessage localize(@"button.label.info.message", @"Information Message")

Demo/MessageBarManagerDemo/MessageBarManagerDemo/Constants/UIConstants.h

@@ -0,0 +1,13 @@
+//
+//  Constants.h
+//  MessageBarManagerDemo
+//
+//  Created by Terry Worona on 5/16/13.
+//  Copyright (c) 2013 Terry Worona. All rights reserved.
+//
+
+#pragma mark - Images
+
+#define kImageIconSucces @"icon-success.png"
+#define kImageIconError @"icon-error.png"
+#define kImageIconInfo @"icon-info.png"

Demo/MessageBarManagerDemo/MessageBarManagerDemo/Controllers/ViewController.m

@@ -8,22 +8,92 @@
 
 #import "ViewController.h"
 
+// Managers
+#import "MessageBarManager.h"
+
+// Constants
+#import "StringConstants.h"
+
+#define kViewControllerButtonPadding 10
+#define kViewControllerButtonHeight 50
+
 @interface ViewController ()
 
+@property (nonatomic, strong) UIButton *errorButton;
+@property (nonatomic, strong) UIButton *successButton;
+@property (nonatomic, strong) UIButton *infoButton;
+
+// Button presses
+- (void)errorButtonPressed:(id)sender;
+- (void)successButtonPressed:(id)sender;
+- (void)infoButtonPressed:(id)sender;
+
 @end
 
 @implementation ViewController
 
-- (void)viewDidLoad
+@synthesize errorButton = _errorButton;
+@synthesize successButton = _successButton;
+@synthesize infoButton = _infoButton;
+
+#pragma mark - View Lifecycle
+
+- (void)loadView
 {
-    [super viewDidLoad];
-	// Do any additional setup after loading the view, typically from a nib.
+    [super loadView];
+    
+    self.view.backgroundColor = [UIColor whiteColor];
+    
+    CGFloat xOffset = kViewControllerButtonPadding;
+    CGFloat yOffset = ceil(self.view.bounds.size.height * 0.5) - ceil(kViewControllerButtonHeight * 0.5);
+    
+    _errorButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];
+    [_errorButton setTitle:kStringButtonLabelErrorMessage forState:UIControlStateNormal];
+    _errorButton.frame = CGRectMake(xOffset, yOffset, self.view.bounds.size.width - (xOffset*2), kViewControllerButtonHeight);
+    [_errorButton addTarget:self action:@selector(errorButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:_errorButton];
+
+    yOffset = ceil(self.view.bounds.size.height * 0.5) - ceil(kViewControllerButtonHeight * 0.5) - kViewControllerButtonHeight - kViewControllerButtonPadding;
+    
+    _successButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];
+    [_successButton setTitle:kStringButtonLabelSuccessMessage forState:UIControlStateNormal];
+    _successButton.frame = CGRectMake(xOffset, yOffset, self.view.bounds.size.width - (xOffset*2), kViewControllerButtonHeight);
+    [_successButton addTarget:self action:@selector(successButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:_successButton];
+
+    yOffset = ceil(self.view.bounds.size.height * 0.5) - ceil(kViewControllerButtonHeight * 0.5) + kViewControllerButtonHeight + kViewControllerButtonPadding;
+
+    _infoButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];
+    [_infoButton setTitle:kStringButtonLabelInfoMessage forState:UIControlStateNormal];
+    _infoButton.frame = CGRectMake(xOffset, yOffset, self.view.bounds.size.width - (xOffset*2), kViewControllerButtonHeight);
+    [_infoButton addTarget:self action:@selector(infoButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:_infoButton];
 }
 
-- (void)didReceiveMemoryWarning
+#pragma mark - Button Presses
+
+- (void)errorButtonPressed:(id)sender
 {
-    [super didReceiveMemoryWarning];
-    // Dispose of any resources that can be recreated.
+
+    
+    [[MessageBarManager sharedInstance] showMessageWithTitle:kStringMessageBarErrorTitle
+                                                 description:kStringMessageBarErrorMessage
+                                                        type:MessageBarMessageTypeError callback:^{
+                                                            NSLog(@"Message bar tapped!");
+    }];
+}
+
+- (void)successButtonPressed:(id)sender
+{
+    [[MessageBarManager sharedInstance] showMessageWithTitle:kStringMessageBarSuccessTitle
+                                                 description:kStringMessageBarSuccessMessage
+                                                        type:MessageBarMessageTypeSuccess
+                                                 forDuration:6.0];
+}
+
+- (void)infoButtonPressed:(id)sender
+{
+    [[MessageBarManager sharedInstance] showMessageWithTitle:kStringMessageBarInfoTitle description:kStringMessageBarInfoMessage type:MessageBarMessageTypeInfo];
 }
 
 @end

Demo/MessageBarManagerDemo/MessageBarManagerDemo/MessageBarManager.h

@@ -0,0 +1,37 @@
+//
+//  MessageBarManager.h
+//
+//  Created by Terry Worona on 5/13/13.
+//  Copyright (c) 2013 Terry Worona. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+typedef enum {
+    MessageBarMessageTypeError,
+    MessageBarMessageTypeSuccess,
+    MessageBarMessageTypeInfo
+} MessageBarMessageType;
+
+@interface MessageBarManager : NSObject
+
++ (MessageBarManager *)sharedInstance;
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type;
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type callback:(void (^)())callback;
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type forDuration:(CGFloat)duration;
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type forDuration:(CGFloat)duration callback:(void (^)())callback;
+
+@end
+
+@interface MessageBarStyleSheet : NSObject
+
+// Colors (override for customization)
++ (UIColor*)backgroundColorForMessageType:(MessageBarMessageType)type;
++ (UIColor*)strokeColorForMessageType:(MessageBarMessageType)type;
+
+// Icon images (override for customization)
++ (UIImage*)iconImageForMessageType:(MessageBarMessageType)type;
+
+@end

Demo/MessageBarManagerDemo/MessageBarManagerDemo/MessageBarManager.m

@@ -0,0 +1,404 @@
+//
+//  MessageBarManager.m
+//
+//  Created by Terry Worona on 5/13/13.
+//  Copyright (c) 2013 Terry Worona. All rights reserved.
+//
+
+#import "MessageBarManager.h"
+
+// Quartz
+#import <QuartzCore/QuartzCore.h>
+
+// Delegate
+#import "AppDelegate.h"
+
+// Constants
+#import "UIConstants.h"
+
+#define kMessageBarAlpha 0.96
+#define kMessageBarPadding 10
+#define kMessageBarMaxDescriptionHeight 250
+#define kMessageBarIconSize 36
+#define kMessageBarDisplayDelay 3.0
+#define kMessageBarTextOffset 2.0
+#define kMessageBarAnimationDuration 0.25
+
+@class MessageView;
+
+@interface MessageView : UIView
+
+@property (nonatomic, strong) NSString *titleString;
+@property (nonatomic, strong) NSString *descriptionString;
+@property (nonatomic, assign) MessageBarMessageType messageType;
+@property (nonatomic, strong) UIImageView *shadowView;
+
+@property (nonatomic, assign) BOOL hasCallback;
+@property (nonatomic, strong) NSArray *callbacks;
+
+@property (nonatomic, assign, getter = isHit) BOOL hit;
+
+@property (nonatomic, assign, readonly) CGFloat height;
+@property (nonatomic, assign, readonly) CGFloat width;
+
+@property (nonatomic, assign) CGFloat duration;
+
+- (id)initWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type;
+
+@end
+
+@interface MessageBarManager ()
+
+@property (nonatomic, strong) NSMutableArray *messageBarQueue;
+@property (nonatomic, assign, getter = isMessageVisible) BOOL messageVisible;
+@property (nonatomic, assign) CGFloat messageBarOffset;
+
++ (CGFloat)durationForMessageType:(MessageBarMessageType)messageType;
+
+- (void)showNextMessage;
+- (void)itemSelected:(UITapGestureRecognizer*)recognizer;
+
+@end
+
+@implementation MessageBarManager
+
+@synthesize messageBarQueue = _messageBarQueue;
+@synthesize messageVisible = _messageVisible;
+@synthesize messageBarOffset = _messageBarOffset;
+
+#pragma mark - Singleton
+
++ (MessageBarManager *)sharedInstance
+{
+    static dispatch_once_t pred;
+    static MessageBarManager *instance = nil;
+    dispatch_once(&pred, ^{ instance = [[self alloc] init]; });
+	return instance;
+}
+
+#pragma mark - Static
+
++ (CGFloat)durationForMessageType:(MessageBarMessageType)messageType
+{
+    return kMessageBarDisplayDelay;
+}
+
+#pragma mark - Alloc/Init
+
+-(id)init
+{
+    if(self = [super init]) {
+        _messageBarQueue = [[NSMutableArray alloc] init];        
+        _messageVisible = NO;
+        _messageBarOffset = [[UIApplication sharedApplication] statusBarFrame].size.height;
+    }
+    return self;
+}
+
+#pragma mark - Public
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type
+{
+    [self showMessageWithTitle:title description:description type:type forDuration:[MessageBarManager durationForMessageType:type] callback:nil];
+}
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type callback:(void (^)())callback
+{
+    [self showMessageWithTitle:title description:description type:type forDuration:[MessageBarManager durationForMessageType:type] callback:callback];
+}
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type forDuration:(CGFloat)duration
+{
+    [self showMessageWithTitle:title description:description type:type forDuration:duration callback:nil];
+}
+
+- (void)showMessageWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type forDuration:(CGFloat)duration callback:(void (^)())callback
+{
+    MessageView *messageView = [[MessageView alloc] initWithTitle:title description:description type:type];
+
+    messageView.callbacks = callback ? [NSArray arrayWithObject:callback] : [NSArray array];
+    messageView.hasCallback = callback ? YES : NO;
+    
+    messageView.duration = duration;
+    messageView.hidden = YES;
+    
+    AppDelegate *delegate = (AppDelegate *)[[UIApplication sharedApplication] delegate];
+    [delegate.window insertSubview:messageView atIndex:1];
+    [_messageBarQueue addObject:messageView];
+    
+    if (!_messageVisible){
+        [self showNextMessage];
+    }
+}
+
+#pragma mark - Private
+
+- (void)showNextMessage
+{
+    if ([_messageBarQueue count] > 0){
+        _messageVisible = YES;
+        
+        MessageView *messageView = [_messageBarQueue objectAtIndex:0];
+        messageView.frame = CGRectMake(0, -[messageView height], [messageView width], [messageView height]);
+        messageView.hidden = NO;
+        [messageView setNeedsDisplay];
+
+        UITapGestureRecognizer *gest = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(itemSelected:)];
+        [messageView addGestureRecognizer:gest];
+
+        if (messageView){
+            [_messageBarQueue removeObject:messageView];
+            
+            [UIView animateWithDuration:kMessageBarAnimationDuration animations:^{
+                [messageView setFrame:CGRectMake(messageView.frame.origin.x, _messageBarOffset + messageView.frame.origin.y + [messageView height], [messageView width], [messageView height])]; // slide down
+            }];
+            
+            [self performSelector:@selector(itemSelected:) withObject:messageView afterDelay:messageView.duration];
+        }
+    }
+}
+
+#pragma mark - Gestures
+
+- (void)itemSelected:(id)sender
+{
+    MessageView *messageView = nil;
+    BOOL itemHit = NO;
+    if ([sender isKindOfClass:[UIGestureRecognizer class]]){
+        messageView = (MessageView*)((UIGestureRecognizer*)sender).view;
+        itemHit = YES;
+    }
+    else if ([sender isKindOfClass:[MessageView class]]){
+        messageView = (MessageView*)sender;
+    }
+    
+    if (messageView && ![messageView isHit]){
+        messageView.hit = YES;
+        
+        [UIView animateWithDuration:kMessageBarAnimationDuration animations:^{
+            [messageView setFrame:CGRectMake(messageView.frame.origin.x, messageView.frame.origin.y - [messageView height] - _messageBarOffset, [messageView width], [messageView height])]; // slide back up
+        } completion:^(BOOL finished) {
+            _messageVisible = NO;
+            [messageView removeFromSuperview];
+            
+            if (itemHit){
+                if ([messageView.callbacks count] > 0){
+                    id obj = [messageView.callbacks objectAtIndex:0];
+                    if (![obj isEqual:[NSNull null]]) {
+                        ((void (^)())obj)();
+                    }
+                }
+            }
+            
+            if([_messageBarQueue count] > 0) {
+                [self showNextMessage];
+            }
+        }];
+    }
+}
+
+@end
+
+static UIFont *titleFont = nil;
+static UIColor *titleColor = nil;
+
+static UIFont *descriptionFont = nil;
+static UIColor *descriptionColor = nil;
+
+@implementation MessageView
+
+@synthesize titleString = _titleString;
+@synthesize descriptionString = _descriptionString;
+@synthesize messageType = _messageType;
+@synthesize shadowView = _shadowView;
+
+@synthesize hasCallback = _hasCallback;
+@synthesize callbacks = _callbacks;
+
+@synthesize hit = _hit;
+
+@synthesize width = _width;
+@synthesize height = _height;
+
+@synthesize duration = _duration;
+
+#pragma mark - Alloc/Init
+
+- (id)initWithTitle:(NSString*)title description:(NSString*)description type:(MessageBarMessageType)type 
+{
+    self = [super initWithFrame:CGRectZero];
+    if (self){
+        
+        self.backgroundColor = [UIColor clearColor];
+        self.clipsToBounds = NO;
+        self.userInteractionEnabled = YES;
+        
+        _titleString = title;
+        _descriptionString = description;
+        _messageType = type;
+        
+        titleFont = [UIFont boldSystemFontOfSize:16.0];
+        titleColor = [UIColor colorWithWhite:1.0 alpha:1.0];
+        
+        descriptionFont = [UIFont systemFontOfSize:14.0];
+        descriptionColor = [UIColor colorWithWhite:1.0 alpha:1.0];
+        
+        _height = 0.0;
+        _width = 0.0;
+        
+        _hasCallback = NO;
+        _hit = NO;
+    }
+    return self;
+}
+
+#pragma mark - Drawing
+
+- (void)drawRect:(CGRect)rect
+{
+    [super drawRect:rect];
+    
+	CGContextRef context = UIGraphicsGetCurrentContext();
+	
+    // background fill
+    CGContextSaveGState(context);
+    {
+        [[MessageBarStyleSheet backgroundColorForMessageType:_messageType] set];
+        CGContextFillRect(context, rect);
+    }
+    CGContextRestoreGState(context);
+
+    // bottom stroke
+    CGContextSaveGState(context);
+    {
+        CGContextBeginPath(context);
+        CGContextMoveToPoint(context, 0, rect.size.height);
+        CGContextSetStrokeColorWithColor(context, [MessageBarStyleSheet strokeColorForMessageType:_messageType].CGColor);
+        CGContextSetLineWidth(context, 1.0);
+        CGContextAddLineToPoint(context, rect.size.width, rect.size.height);
+        CGContextStrokePath(context);
+    }
+    CGContextRestoreGState(context);
+
+    CGFloat xOffset = kMessageBarPadding;
+    CGFloat yOffset = kMessageBarPadding;
+    
+    // icon
+    CGContextSaveGState(context);
+    {
+        [[MessageBarStyleSheet iconImageForMessageType:_messageType] drawInRect:CGRectMake(xOffset, yOffset, kMessageBarIconSize, kMessageBarIconSize)];
+    }
+    CGContextRestoreGState(context);
+    
+    yOffset -= kMessageBarTextOffset;
+    xOffset += kMessageBarIconSize + kMessageBarPadding;
+
+    CGFloat maxWith = (rect.size.width - (kMessageBarPadding * 3) - kMessageBarIconSize);
+    
+    CGSize titleLabelSize = [_titleString sizeWithFont:titleFont forWidth:maxWith lineBreakMode:NSLineBreakByTruncatingTail];
+    if (_titleString && !_descriptionString){
+        yOffset = ceil(rect.size.height * 0.5) - ceil(titleLabelSize.height * 0.5) - kMessageBarTextOffset;
+    }
+    [titleColor set];
+	[_titleString drawInRect:CGRectMake(xOffset, yOffset, titleLabelSize.width, titleLabelSize.height) withFont:titleFont lineBreakMode:NSLineBreakByTruncatingTail alignment:NSTextAlignmentLeft];
+
+    yOffset += titleLabelSize.height;
+    
+    CGSize descriptionLabelSize = [_descriptionString sizeWithFont:descriptionFont constrainedToSize:CGSizeMake(maxWith, kMessageBarMaxDescriptionHeight) lineBreakMode:NSLineBreakByTruncatingTail];
+    [descriptionColor set];
+	[_descriptionString drawInRect:CGRectMake(xOffset, yOffset, descriptionLabelSize.width, descriptionLabelSize.height) withFont:descriptionFont lineBreakMode:NSLineBreakByTruncatingTail alignment:NSTextAlignmentLeft];
+}
+
+#pragma mark - Layout
+
+- (void)layoutSubviews
+{
+    [super layoutSubviews];
+    _shadowView.frame = CGRectMake(0, [self height], [self width], _shadowView.image.size.height);
+}
+
+#pragma mark - Getters
+
+- (CGFloat)height
+{
+    if (_height == 0){
+        CGFloat maxWith = ([self width] - (kMessageBarPadding * 3) - kMessageBarIconSize);
+        CGSize titleLabelSize = [_titleString sizeWithFont:titleFont forWidth:maxWith lineBreakMode:NSLineBreakByTruncatingTail];
+        CGSize descriptionLabelSize = [_descriptionString sizeWithFont:descriptionFont constrainedToSize:CGSizeMake(maxWith, 10000) lineBreakMode:NSLineBreakByTruncatingTail];
+        _height = MAX((kMessageBarPadding*2) + titleLabelSize.height + descriptionLabelSize.height, (kMessageBarPadding*2) + kMessageBarIconSize);
+    }
+    return _height;
+}
+
+- (CGFloat)width
+{
+    if (_width == 0){
+        _width = [UIScreen mainScreen].bounds.size.width;
+    }
+    return _width;
+}
+
+@end
+
+@implementation MessageBarStyleSheet
+
+#pragma mark - Colors
+
++ (UIColor*)backgroundColorForMessageType:(MessageBarMessageType)type
+{
+    UIColor *backgroundColor = nil;
+    switch (type) {
+        case MessageBarMessageTypeError:
+            backgroundColor = [UIColor colorWithRed:1.0 green:0.611 blue:0.0 alpha:kMessageBarAlpha]; // orange
+            break;
+        case MessageBarMessageTypeSuccess:
+            backgroundColor = [UIColor colorWithRed:0.0f green:0.831f blue:0.176f alpha:kMessageBarAlpha]; // green
+            break;
+        case MessageBarMessageTypeInfo:
+            backgroundColor = [UIColor colorWithRed:0.0 green:0.482 blue:1.0 alpha:kMessageBarAlpha]; // blue
+            break;
+        default:
+            break;
+    }
+    return backgroundColor;
+}
+
++ (UIColor*)strokeColorForMessageType:(MessageBarMessageType)type
+{
+    UIColor *strokeColor = nil;
+    switch (type) {
+        case MessageBarMessageTypeError:
+            strokeColor = [UIColor colorWithRed:0.949f green:0.580f blue:0.0f alpha:1.0f]; // orange
+            break;
+        case MessageBarMessageTypeSuccess:
+            strokeColor = [UIColor colorWithRed:0.0f green:0.772f blue:0.164f alpha:1.0f]; // orange
+            break;
+        case MessageBarMessageTypeInfo:
+            strokeColor = [UIColor colorWithRed:0.0f green:0.415f blue:0.803f alpha:1.0f]; // orange
+            break;
+        default:
+            break;
+    }
+    return strokeColor;
+}
+
++ (UIImage*)iconImageForMessageType:(MessageBarMessageType)type
+{
+    UIImage *iconImage = nil;
+    switch (type) {
+        case MessageBarMessageTypeError:
+            iconImage = [UIImage imageNamed:kImageIconError];
+            break;
+        case MessageBarMessageTypeSuccess:
+            iconImage = [UIImage imageNamed:kImageIconSucces];
+            break;
+        case MessageBarMessageTypeInfo:
+            iconImage = [UIImage imageNamed:kImageIconInfo];
+            break;
+        default:
+            break;
+    }
+    return iconImage;
+}
+
+@end