/* Copyright (c) 2015, Apple Inc. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name of the copyright holder(s) nor the names of any contributors may be used to endorse or promote products derived from this software without specific prior written permission. No license is granted to the trademarks of the copyright holders even if such marks are included in this software. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #import "ORKActiveStepQuantityView.h" #import "ORKSubheadlineLabel.h" #import "ORKTintedImageView.h" #import "ORKHelpers_Internal.h" #import "ORKSkin.h" @implementation ORKQuantityLabel + (UIFont *)defaultFont { return ORKTimeFontForSize(35); } @end @implementation ORKActiveStepQuantityView { ORKSubheadlineLabel *_titleLabel; ORKQuantityLabel *_valueLabel; ORKTintedImageView *_imageView; UIView *_valueHolder; NSLayoutConstraint *_zeroWidthConstraint; } - (instancetype)initWithFrame:(CGRect)frame { self = [super initWithFrame:frame]; if (self) { _titleLabel = [ORKSubheadlineLabel new]; _titleLabel.textAlignment = NSTextAlignmentCenter; _valueLabel = [ORKQuantityLabel new]; _valueLabel.textAlignment = NSTextAlignmentCenter; _imageView = [ORKTintedImageView new]; _imageView.shouldApplyTint = YES; _valueHolder = [UIView new]; _titleLabel.translatesAutoresizingMaskIntoConstraints = NO; _valueLabel.translatesAutoresizingMaskIntoConstraints = NO; _imageView.translatesAutoresizingMaskIntoConstraints = NO; _valueHolder.translatesAutoresizingMaskIntoConstraints = NO; [self addSubview:_titleLabel]; [_valueHolder addSubview:_valueLabel]; [_valueHolder addSubview:_imageView]; [self addSubview:_valueHolder]; #if LAYOUT_DEBUG self.backgroundColor = [[UIColor blueColor] colorWithAlphaComponent:0.2]; _titleLabel.backgroundColor = [[UIColor greenColor] colorWithAlphaComponent:0.2]; _valueLabel.backgroundColor = [[UIColor greenColor] colorWithAlphaComponent:0.2]; #endif for (UIView *view in @[_titleLabel, _valueLabel, _imageView]) { view.isAccessibilityElement = NO; } [self setUpConstraints]; } return self; } - (void)setEnabled:(BOOL)enabled { _enabled = enabled; self.hidden = !enabled; [self setNeedsUpdateConstraints]; } - (void)setTitle:(NSString *)title { _title = title; _titleLabel.text = title; } - (void)setValue:(NSString *)value { _value = value; _valueLabel.text = value; } - (void)setImage:(UIImage *)image { _image = nil; _imageView.image = image; } - (void)setUpConstraints { const CGFloat TitleBaselineToValueBaseline = 40; const CGFloat ValueBaselineToBottom = 36; NSMutableArray *constraints = [NSMutableArray array]; NSDictionary *views = NSDictionaryOfVariableBindings(_titleLabel, _valueLabel, _imageView); [constraints addObjectsFromArray:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[_titleLabel]" options:(NSLayoutFormatOptions)0 metrics:nil views:views]]; [constraints addObjectsFromArray:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[_titleLabel]|" options:(NSLayoutFormatOptions)0 metrics:nil views:views]]; [constraints addObjectsFromArray:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[_imageView]-10-[_valueLabel]|" options:NSLayoutFormatAlignAllCenterY metrics:nil views:views]]; [constraints addObject:[NSLayoutConstraint constraintWithItem:_valueLabel attribute:NSLayoutAttributeFirstBaseline relatedBy:NSLayoutRelationEqual toItem:_titleLabel attribute:NSLayoutAttributeLastBaseline multiplier:1.0 constant:TitleBaselineToValueBaseline]]; [constraints addObject:[NSLayoutConstraint constraintWithItem:self attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:_valueLabel attribute:NSLayoutAttributeLastBaseline multiplier:1.0 constant:ValueBaselineToBottom]]; [constraints addObject:[NSLayoutConstraint constraintWithItem:_valueHolder attribute:NSLayoutAttributeCenterX relatedBy:NSLayoutRelationEqual toItem:self attribute:NSLayoutAttributeCenterX multiplier:1.0 constant:0.0]]; [constraints addObject:[NSLayoutConstraint constraintWithItem:_valueLabel attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationGreaterThanOrEqual toItem:_valueHolder attribute:NSLayoutAttributeTop multiplier:1.0 constant:0.0]]; [constraints addObject:[NSLayoutConstraint constraintWithItem:_valueLabel attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationLessThanOrEqual toItem:_valueHolder attribute:NSLayoutAttributeBottom multiplier:1.0 constant:0.0]]; [constraints addObject:[NSLayoutConstraint constraintWithItem:_valueHolder attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationGreaterThanOrEqual toItem:self attribute:NSLayoutAttributeLeft multiplier:1.0 constant:0.0]]; [constraints addObject:[NSLayoutConstraint constraintWithItem:_valueHolder attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationLessThanOrEqual toItem:self attribute:NSLayoutAttributeRight multiplier:1.0 constant:0.0]]; for (NSLayoutConstraint *constraint in constraints) { constraint.priority = UILayoutPriorityRequired - 2; } [NSLayoutConstraint activateConstraints:constraints]; _zeroWidthConstraint = [NSLayoutConstraint constraintWithItem:self attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0 constant:0.0]; _zeroWidthConstraint.priority = UILayoutPriorityRequired - 1; [self setNeedsUpdateConstraints]; } - (void)updateConstraints { _zeroWidthConstraint.active = !_enabled; [super updateConstraints]; } #pragma mark Accessibility - (BOOL)isAccessibilityElement { return YES; } - (NSString *)accessibilityLabel { return _titleLabel.accessibilityLabel; } - (NSString *)accessibilityValue { return _valueLabel.accessibilityLabel; } - (UIAccessibilityTraits)accessibilityTraits { return [super accessibilityTraits] | UIAccessibilityTraitUpdatesFrequently; } @end @implementation ORKQuantityPairView { UIView *_metricKeyline; } - (instancetype)initWithFrame:(CGRect)frame { self = [super initWithFrame:frame]; if (self) { _leftView = [ORKActiveStepQuantityView new]; _rightView = [ORKActiveStepQuantityView new]; _leftView.translatesAutoresizingMaskIntoConstraints = NO; _rightView.translatesAutoresizingMaskIntoConstraints = NO; _metricKeyline = [UIView new]; _metricKeyline.translatesAutoresizingMaskIntoConstraints = NO; self.translatesAutoresizingMaskIntoConstraints = NO; [self setKeylineHidden:NO]; _metricKeyline.backgroundColor = [UIColor ork_midGrayTintColor]; [self addSubview:_leftView]; [self addSubview:_rightView]; [self addSubview:_metricKeyline]; [self setUpConstraints]; } return self; } - (void)setUpConstraints { NSMutableArray *constraints = [NSMutableArray array]; NSDictionary *views = NSDictionaryOfVariableBindings(_leftView, _rightView, _metricKeyline); // Leave space for the keyline between these views, and then constrain it to be 1px wide and go from top to bottom baseline of metric views. CGFloat scale = [UIScreen mainScreen].scale; NSArray *vertConstraints = [NSLayoutConstraint constraintsWithVisualFormat:@"V:|[_leftView]|" options:(NSLayoutFormatOptions)0 metrics:nil views:views]; [constraints addObjectsFromArray:vertConstraints]; NSArray *horizConstraints = [NSLayoutConstraint constraintsWithVisualFormat:@"H:|-[_leftView]-s-[_rightView]-|" options:NSLayoutFormatAlignAllTop|NSLayoutFormatAlignAllBottom|NSLayoutFormatDirectionLeftToRight metrics:@{ @"s": @(1.0 / scale) } views:views]; for (NSLayoutConstraint *constraint in horizConstraints) { constraint.priority = UILayoutPriorityDefaultHigh + 1; } [constraints addObjectsFromArray:horizConstraints]; // Ensure baseline alignment of title and value [constraints addObject:[NSLayoutConstraint constraintWithItem:_leftView.titleLabel attribute:NSLayoutAttributeFirstBaseline relatedBy:NSLayoutRelationEqual toItem:_rightView.titleLabel attribute:NSLayoutAttributeFirstBaseline multiplier:1.0 constant:0.0]]; [constraints addObject:[NSLayoutConstraint constraintWithItem:_leftView.valueLabel attribute:NSLayoutAttributeFirstBaseline relatedBy:NSLayoutRelationEqual toItem:_rightView.valueLabel attribute:NSLayoutAttributeFirstBaseline multiplier:1.0 constant:0.0]]; [constraints addObjectsFromArray:[NSLayoutConstraint constraintsWithVisualFormat:@"H:[_leftView][_metricKeyline(==s)]" options:NSLayoutFormatAlignAllTop|NSLayoutFormatDirectionLeftToRight metrics:@{ @"s": @(1.0 / scale) } views:views]]; NSLayoutConstraint *keylineBottom = [NSLayoutConstraint constraintWithItem:_metricKeyline attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:_leftView.valueLabel attribute:NSLayoutAttributeLastBaseline multiplier:1.0 constant:0.0]; [constraints addObject:keylineBottom]; NSLayoutConstraint *maxWidthConstraint = [NSLayoutConstraint constraintWithItem:self attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1.0 constant:ORKScreenMetricMaxDimension]; maxWidthConstraint.priority = UILayoutPriorityRequired - 2; [constraints addObject:maxWidthConstraint]; // This constraint should be beaten out by the full-width-coverage and zero-width constraints if only one of the views is enabled. NSLayoutConstraint *equalWidthConstraint = [NSLayoutConstraint constraintWithItem:_leftView attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:_rightView attribute:NSLayoutAttributeWidth multiplier:1.0 constant:0.0]; equalWidthConstraint.priority = UILayoutPriorityDefaultLow; [constraints addObject:equalWidthConstraint]; [NSLayoutConstraint activateConstraints:constraints]; } - (void)setKeylineHidden:(BOOL)keylineHidden { _keylineHidden = keylineHidden; _metricKeyline.hidden = keylineHidden; } @end