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//
// PSStoreButton.m
//
// Created by Peter Steinberger on 09.01.11.
// Copyright 2011 Peter Steinberger. All rights reserved.
//
// This code was inspired by https://github.com/dhmspector/ZIStoreButton
//
// 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 "PSStoreButton.h"
#ifdef DEBUG
#define PSLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
#else
#define PSLog(...)
#endif
#define RGBCOLOR(r,g,b) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:1]
#define PS_MIN_HEIGHT 25.0f
#define PS_MAX_WIDTH 220.0f
#define PS_PADDING 12.0f
#define kDefaultButtonAnimationTime 0.25f
@implementation PSStoreButtonData
@synthesize label = label_;
@synthesize colors = colors_;
@synthesize enabled = enabled_;
///////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark NSObject
- (id)initWithLabel:(NSString*)aLabel colors:(NSArray*)aColors enabled:(BOOL)flag {
if ((self = [super init])) {
self.label = aLabel;
self.colors = aColors;
self.enabled = flag;
}
return self;
}
+ (id)dataWithLabel:(NSString*)aLabel colors:(NSArray*)aColors enabled:(BOOL)flag {
return [[[[self class] alloc] initWithLabel:aLabel colors:aColors enabled:flag] autorelease];
}
- (void)dealloc {
[label_ release];
[colors_ release];
[super dealloc];
}
@end
@interface PSStoreButton ()
// call when buttonData was updated
- (void)updateButtonAnimated:(BOOL)animated;
@end
@implementation PSStoreButton
@synthesize buttonData = buttonData_;
@synthesize buttonDelegate = buttonDelegate_;
@synthesize customPadding = customPadding_;
///////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark static
+ (PSStoreButton *)storeButton {
return [[[self class] alloc] initWithFrame:CGRectMake(0, 0, 200, 35)];
}
///////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark private
- (void)touchedUpOutside:(id)sender {
PSLog(@"touched outside...");
}
- (void)buttonPressed:(id)sender {
PSLog(@"calling delegate:storeButtonFired for %@", sender);
[buttonDelegate_ storeButtonFired:self];
}
- (void)animationDidStop:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context {
// show text again, but only if animation did finish (or else another animation is on the way)
if ([finished boolValue]) {
[self setTitle:self.buttonData.label forState:UIControlStateNormal];
}
}
- (void)updateButtonAnimated:(BOOL)animated {
if (animated) {
// hide text, then start animation
[self setTitle:@"" forState:UIControlStateNormal];
[UIView beginAnimations:@"storeButtonUpdate" context:nil];
[UIView setAnimationDuration:kDefaultButtonAnimationTime];
[UIView setAnimationDelegate:self];
[UIView setAnimationDidStopSelector:@selector(animationDidStop:finished:context:)];
}else {
[self setTitle:self.buttonData.label forState:UIControlStateNormal];
}
self.enabled = self.buttonData.isEnabled;
gradient_.colors = self.buttonData.colors;
// show white or gray text, depending on the state
if (self.buttonData.isEnabled) {
[self setTitleShadowColor:[UIColor colorWithWhite:0.200 alpha:1.000] forState:UIControlStateNormal];
[self.titleLabel setShadowOffset:CGSizeMake(0.0, -0.6)];
[self setTitleColor:[UIColor colorWithWhite:1.0 alpha:1.000] forState:UIControlStateNormal];
}else {
[self.titleLabel setShadowOffset:CGSizeMake(0.0, 0.0)];
[self setTitleColor:RGBCOLOR(148,150,151) forState:UIControlStateNormal];
}
// calculate optimal new size
CGSize sizeThatFits = [self sizeThatFits:CGSizeZero];
// move sublayer (can't be animated explcitely)
for (CALayer *aLayer in self.layer.sublayers) {
[CATransaction begin];
if (animated) {
[CATransaction setAnimationDuration:kDefaultButtonAnimationTime];
[CATransaction setAnimationTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]];
}else {
// frame is calculated and explicitely animated. so we absolutely need kCATransactionDisableActions
[CATransaction setValue:[NSNumber numberWithBool:YES] forKey:kCATransactionDisableActions];
}
CGRect newFrame = aLayer.frame;
newFrame.size.width = sizeThatFits.width;
aLayer.frame = newFrame;
[CATransaction commit];
}
// set outer frame changes
self.titleEdgeInsets = UIEdgeInsetsMake(2.0, self.titleEdgeInsets.left, 0.0, 0.0);
CGRect cr = self.frame;
if (!CGPointEqualToPoint(self.customPadding, CGPointZero)) {
cr.origin.y = customPadding_.y;
cr.origin.x = self.superview.frame.size.width - sizeThatFits.width - customPadding_.x * 2;
}
cr.size.width = sizeThatFits.width;
self.frame = cr;
if (animated) {
[UIView commitAnimations];
}
}
- (void)alignToSuperview {
[self sizeToFit];
CGRect cr = self.frame;
cr.origin.y = customPadding_.y;
cr.origin.x = self.superview.frame.size.width - cr.size.width - customPadding_.x * 2;
self.frame = cr;
}
///////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark NSObject
- (id)initWithFrame:(CGRect)frame {
if ((self = [super initWithFrame:frame])) {
self.customPadding = CGPointZero;
self.layer.needsDisplayOnBoundsChange = YES;
// setup title label
[self.titleLabel setFont:[UIFont boldSystemFontOfSize:13.0]];
// register for touch events
[self addTarget:self action:@selector(touchedUpOutside:) forControlEvents:UIControlEventTouchUpOutside];
[self addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside];
// border layers for more sex!
CAGradientLayer *bevelLayer = [CAGradientLayer layer];
bevelLayer.colors = [NSArray arrayWithObjects:(id)[[UIColor colorWithWhite:0.4 alpha:1.0] CGColor], [[UIColor whiteColor] CGColor], nil];
bevelLayer.frame = CGRectMake(0.0, 0.0, CGRectGetWidth(frame), CGRectGetHeight(frame));
bevelLayer.cornerRadius = 2.5;
bevelLayer.needsDisplayOnBoundsChange = YES;
[self.layer addSublayer:bevelLayer];
CAGradientLayer *topBorderLayer = [CAGradientLayer layer];
topBorderLayer.colors = [NSArray arrayWithObjects:(id)[[UIColor darkGrayColor] CGColor], [[UIColor lightGrayColor] CGColor], nil];
topBorderLayer.frame = CGRectMake(0.5, 0.5, CGRectGetWidth(frame) - 1.0, CGRectGetHeight(frame) - 1.0);
topBorderLayer.cornerRadius = 2.6;
topBorderLayer.needsDisplayOnBoundsChange = YES;
[self.layer addSublayer:topBorderLayer];
// main gradient layer
gradient_ = [[CAGradientLayer layer] retain];
gradient_.locations = [NSArray arrayWithObjects:[NSNumber numberWithFloat:0.0], [NSNumber numberWithFloat:1.0], nil];//[NSNumber numberWithFloat:0.500], [NSNumber numberWithFloat:0.5001],
gradient_.frame = CGRectMake(0.75, 0.75, CGRectGetWidth(frame) - 1.5, CGRectGetHeight(frame) - 1.5);
gradient_.cornerRadius = 2.5;
gradient_.needsDisplayOnBoundsChange = YES;
[self.layer addSublayer:gradient_];
[self bringSubviewToFront:self.titleLabel];
}
return self;
}
- (id)initWithPadding:(CGPoint)padding {
if ((self = [self initWithFrame:CGRectMake(0, 0, 40, PS_MIN_HEIGHT)])) {
customPadding_ = padding;
}
return self;
}
- (void)dealloc {
[buttonData_ release];
[gradient_ release];
[super dealloc];
}
///////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark UIView
- (CGSize)sizeThatFits:(CGSize)size {
CGSize constr = (CGSize){.height = self.frame.size.height, .width = PS_MAX_WIDTH};
CGSize newSize = [self.buttonData.label sizeWithFont:self.titleLabel.font constrainedToSize:constr lineBreakMode:UILineBreakModeMiddleTruncation];
CGFloat newWidth = newSize.width + (PS_PADDING * 2);
CGFloat newHeight = PS_MIN_HEIGHT > newSize.height ? PS_MIN_HEIGHT : newSize.height;
CGSize sizeThatFits = CGSizeMake(newWidth, newHeight);
return sizeThatFits;
}
- (void)setFrame:(CGRect)aRect {
[super setFrame:aRect];
// copy frame changes to sublayers
for (CALayer *aLayer in self.layer.sublayers) {
CGRect rect = aLayer.frame;
rect.size.width = self.frame.size.width;
rect.size.height = self.frame.size.height;
aLayer.frame = rect;
[aLayer layoutIfNeeded];
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark Properties
- (void)setButtonData:(PSStoreButtonData *)aButtonData {
[self setButtonData:aButtonData animated:NO];
}
- (void)setButtonData:(PSStoreButtonData *)aButtonData animated:(BOOL)animated {
if (buttonData_ != aButtonData) {
[buttonData_ release];
buttonData_ = [aButtonData retain];
}
[self updateButtonAnimated:animated];
}
///////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
#pragma mark Static
+ (NSArray *)appStoreGreenColor {
return [NSArray arrayWithObjects:(id)
[UIColor colorWithRed:0.482 green:0.674 blue:0.406 alpha:1.000].CGColor,
[UIColor colorWithRed:0.299 green:0.606 blue:0.163 alpha:1.000].CGColor, nil];
}
+ (NSArray *)appStoreBlueColor {
return [NSArray arrayWithObjects:(id)
[UIColor colorWithRed:0.306 green:0.380 blue:0.547 alpha:1.000].CGColor,
[UIColor colorWithRed:0.129 green:0.220 blue:0.452 alpha:1.000].CGColor, nil];
}
+ (NSArray *)appStoreGrayColor {
return [NSArray arrayWithObjects:(id)
RGBCOLOR(187,189,191).CGColor,
RGBCOLOR(210,210,210).CGColor, nil];
}
@end
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