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