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296 lines
10 KiB
Objective-C
296 lines
10 KiB
Objective-C
//
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// PSStoreButton.m
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// HockeyDemo
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//
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// Created by Peter Steinberger on 09.01.11.
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// Copyright 2011 Peter Steinberger. All rights reserved.
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//
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// This code was inspired by https://github.com/dhmspector/ZIStoreButton
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#import "PSStoreButton.h"
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#ifdef DEBUG
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#define PSLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
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#else
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#define PSLog(...)
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#endif
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#define PS_RGBCOLOR(r,g,b) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:1]
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#define PS_MIN_HEIGHT 25.0f
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#define PS_MAX_WIDTH 120.0f
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#define PS_PADDING 12.0f
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#define kDefaultButtonAnimationTime 0.25f
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@implementation PSStoreButtonData
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@synthesize label = label_;
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@synthesize colors = colors_;
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@synthesize enabled = enabled_;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#pragma mark -
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#pragma mark NSObject
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- (id)initWithLabel:(NSString*)aLabel colors:(NSArray*)aColors enabled:(BOOL)flag {
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if ((self = [super init])) {
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self.label = aLabel;
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self.colors = aColors;
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self.enabled = flag;
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}
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return self;
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}
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+ (id)dataWithLabel:(NSString*)aLabel colors:(NSArray*)aColors enabled:(BOOL)flag {
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return [[[[self class] alloc] initWithLabel:aLabel colors:aColors enabled:flag] autorelease];
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}
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- (void)dealloc {
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[label_ release];
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[colors_ release];
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[super dealloc];
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}
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@end
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@interface PSStoreButton ()
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// call when buttonData was updated
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- (void)updateButtonAnimated:(BOOL)animated;
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@end
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@implementation PSStoreButton
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@synthesize buttonData = buttonData_;
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@synthesize buttonDelegate = buttonDelegate_;
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@synthesize customPadding = customPadding_;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#pragma mark -
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#pragma mark private
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- (void)touchedUpOutside:(id)sender {
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PSLog(@"touched outside...");
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}
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- (void)buttonPressed:(id)sender {
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PSLog(@"calling delegate:storeButtonFired for %@", sender);
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[buttonDelegate_ storeButtonFired:self];
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}
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- (void)animationDidStop:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context {
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// show text again, but only if animation did finish (or else another animation is on the way)
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if ([finished boolValue]) {
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[self setTitle:self.buttonData.label forState:UIControlStateNormal];
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}
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}
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- (void)updateButtonAnimated:(BOOL)animated {
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if (animated) {
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// hide text, then start animation
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[self setTitle:@"" forState:UIControlStateNormal];
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[UIView beginAnimations:@"storeButtonUpdate" context:nil];
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[UIView setAnimationBeginsFromCurrentState:YES];
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[UIView setAnimationDuration:kDefaultButtonAnimationTime];
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[UIView setAnimationDelegate:self];
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[UIView setAnimationDidStopSelector:@selector(animationDidStop:finished:context:)];
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}else {
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[self setTitle:self.buttonData.label forState:UIControlStateNormal];
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}
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self.enabled = self.buttonData.isEnabled;
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gradient_.colors = self.buttonData.colors;
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// show white or gray text, depending on the state
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if (self.buttonData.isEnabled) {
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[self setTitleShadowColor:[UIColor colorWithWhite:0.200 alpha:1.000] forState:UIControlStateNormal];
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[self.titleLabel setShadowOffset:CGSizeMake(0.0, -0.6)];
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[self setTitleColor:[UIColor colorWithWhite:1.0 alpha:1.000] forState:UIControlStateNormal];
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}else {
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[self.titleLabel setShadowOffset:CGSizeMake(0.0, 0.0)];
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[self setTitleColor:PS_RGBCOLOR(148,150,151) forState:UIControlStateNormal];
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}
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// calculate optimal new size
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CGSize sizeThatFits = [self sizeThatFits:CGSizeZero];
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// move sublayer (can't be animated explcitely)
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for (CALayer *aLayer in self.layer.sublayers) {
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[CATransaction begin];
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if (animated) {
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[CATransaction setAnimationDuration:kDefaultButtonAnimationTime];
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[CATransaction setAnimationTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]];
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}else {
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// frame is calculated and explicitely animated. so we absolutely need kCATransactionDisableActions
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[CATransaction setValue:[NSNumber numberWithBool:YES] forKey:kCATransactionDisableActions];
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}
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CGRect newFrame = aLayer.frame;
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newFrame.size.width = sizeThatFits.width;
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aLayer.frame = newFrame;
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[CATransaction commit];
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}
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// set outer frame changes
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self.titleEdgeInsets = UIEdgeInsetsMake(2.0, self.titleEdgeInsets.left, 0.0, 0.0);
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[self alignToSuperview];
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if (animated) {
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[UIView commitAnimations];
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}
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}
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- (void)alignToSuperview {
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[self sizeToFit];
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if (self.superview) {
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CGRect cr = self.frame;
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cr.origin.y = customPadding_.y;
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cr.origin.x = self.superview.frame.size.width - cr.size.width - customPadding_.x * 2;
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self.frame = cr;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#pragma mark -
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#pragma mark NSObject
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- (id)initWithFrame:(CGRect)frame {
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if ((self = [super initWithFrame:frame])) {
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self.layer.needsDisplayOnBoundsChange = YES;
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// setup title label
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[self.titleLabel setFont:[UIFont boldSystemFontOfSize:13.0]];
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// register for touch events
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[self addTarget:self action:@selector(touchedUpOutside:) forControlEvents:UIControlEventTouchUpOutside];
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[self addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside];
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// border layers for more sex!
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CAGradientLayer *bevelLayer = [CAGradientLayer layer];
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bevelLayer.colors = [NSArray arrayWithObjects:(id)[[UIColor colorWithWhite:0.4 alpha:1.0] CGColor], [[UIColor whiteColor] CGColor], nil];
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bevelLayer.frame = CGRectMake(0.0, 0.0, CGRectGetWidth(frame), CGRectGetHeight(frame));
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bevelLayer.cornerRadius = 2.5;
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bevelLayer.needsDisplayOnBoundsChange = YES;
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[self.layer addSublayer:bevelLayer];
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CAGradientLayer *topBorderLayer = [CAGradientLayer layer];
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topBorderLayer.colors = [NSArray arrayWithObjects:(id)[[UIColor darkGrayColor] CGColor], [[UIColor lightGrayColor] CGColor], nil];
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topBorderLayer.frame = CGRectMake(0.5, 0.5, CGRectGetWidth(frame) - 1.0, CGRectGetHeight(frame) - 1.0);
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topBorderLayer.cornerRadius = 2.6;
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topBorderLayer.needsDisplayOnBoundsChange = YES;
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[self.layer addSublayer:topBorderLayer];
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// main gradient layer
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gradient_ = [[CAGradientLayer layer] retain];
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gradient_.locations = [NSArray arrayWithObjects:[NSNumber numberWithFloat:0.0], [NSNumber numberWithFloat:1.0], nil];//[NSNumber numberWithFloat:0.500], [NSNumber numberWithFloat:0.5001],
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gradient_.frame = CGRectMake(0.75, 0.75, CGRectGetWidth(frame) - 1.5, CGRectGetHeight(frame) - 1.5);
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gradient_.cornerRadius = 2.5;
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gradient_.needsDisplayOnBoundsChange = YES;
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[self.layer addSublayer:gradient_];
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[self bringSubviewToFront:self.titleLabel];
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}
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return self;
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}
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- (id)initWithPadding:(CGPoint)padding {
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if ((self = [self initWithFrame:CGRectMake(0, 0, 40, PS_MIN_HEIGHT)])) {
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customPadding_ = padding;
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}
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return self;
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}
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- (void)dealloc {
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[buttonData_ release];
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[gradient_ release];
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[super dealloc];
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#pragma mark -
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#pragma mark UIView
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- (CGSize)sizeThatFits:(CGSize)size {
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CGSize constr = (CGSize){.height = self.frame.size.height, .width = PS_MAX_WIDTH};
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CGSize newSize = [self.buttonData.label sizeWithFont:self.titleLabel.font constrainedToSize:constr lineBreakMode:UILineBreakModeMiddleTruncation];
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CGFloat newWidth = newSize.width + (PS_PADDING * 2);
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CGFloat newHeight = PS_MIN_HEIGHT > newSize.height ? PS_MIN_HEIGHT : newSize.height;
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CGSize sizeThatFits = CGSizeMake(newWidth, newHeight);
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return sizeThatFits;
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}
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- (void)setFrame:(CGRect)aRect {
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[super setFrame:aRect];
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// copy frame changes to sublayers (but watch out for NaN's)
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for (CALayer *aLayer in self.layer.sublayers) {
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CGRect rect = aLayer.frame;
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rect.size.width = self.frame.size.width;
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rect.size.height = self.frame.size.height;
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aLayer.frame = rect;
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[aLayer layoutIfNeeded];
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#pragma mark -
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#pragma mark Properties
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- (void)setButtonData:(PSStoreButtonData *)aButtonData {
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[self setButtonData:aButtonData animated:NO];
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}
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- (void)setButtonData:(PSStoreButtonData *)aButtonData animated:(BOOL)animated {
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if (buttonData_ != aButtonData) {
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[buttonData_ release];
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buttonData_ = [aButtonData retain];
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}
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[self updateButtonAnimated:animated];
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#pragma mark -
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#pragma mark Static
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+ (NSArray *)appStoreGreenColor {
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return [NSArray arrayWithObjects:(id)
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[UIColor colorWithRed:0.482 green:0.674 blue:0.406 alpha:1.000].CGColor,
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[UIColor colorWithRed:0.299 green:0.606 blue:0.163 alpha:1.000].CGColor, nil];
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}
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+ (NSArray *)appStoreBlueColor {
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return [NSArray arrayWithObjects:(id)
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[UIColor colorWithRed:0.306 green:0.380 blue:0.547 alpha:1.000].CGColor,
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[UIColor colorWithRed:0.129 green:0.220 blue:0.452 alpha:1.000].CGColor, nil];
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}
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+ (NSArray *)appStoreGrayColor {
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return [NSArray arrayWithObjects:(id)
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PS_RGBCOLOR(187,189,191).CGColor,
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PS_RGBCOLOR(210,210,210).CGColor, nil];
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}
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@end
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