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dev/SwiftUI
ResearchKit/ResearchKitUI/Common/Container Views/ORKNavigationContainerView.m
T
Pariece McKinney 5c5d295bd5 Public release 3.1.0
2024-10-15 17:05:47 -04:00

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/*
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 "ORKNavigationContainerView_Internal.h"
#import "ORKHelpers_Internal.h"
#import "ORKSkin.h"
static const CGFloat standardSpacing = 5.0;
static const CGFloat skipButtonHeight = 50.0;
static const CGFloat topSpacing = 24.0;
static const CGFloat bottomSpacing = 34.0;
static const CGFloat activityIndicatorPadding = 24.0;
static const CGFloat detailTextBottomSpacing = 16.0;
@implementation ORKNavigationContainerView {
UIActivityIndicatorView *_activityIndicatorView;
NSArray *_leftRightPaddingConstraints;
UIVisualEffectView *effectView;
UIColor *_appTintColor;
BOOL _continueOrSkipButtonJustTapped;
BOOL _removeVisualEffect;
NSMutableArray *_regularConstraints;
}
- (instancetype)init {
self = [super init];
if (self) {
[self commonInit];
}
return self;
}
- (void)removeStyling {
_removeVisualEffect = YES;
if (effectView) {
[effectView removeFromSuperview];
effectView = nil;
}
}
- (void)commonInit {
[self setBackgroundColor:ORKColor(ORKNavigationContainerColorKey)];
[self setupVisualEffectView];
[self setupViews];
[self setupFootnoteLabel];
[self setupNavigationDetailTextLabel];
self.preservesSuperviewLayoutMargins = NO;
_appTintColor = nil;
self.skipButtonStyle = ORKNavigationContainerButtonStyleTextBold;
[self updateContinueAndSkipEnabled];
}
- (void)flattenIfNeeded {
if (![self hasContinueOrSkip] || (self.continueButtonItem == nil && [self neverHasSkipButton] && [self neverHasFootnote])) {
[[self.heightAnchor constraintEqualToConstant:0] setActive:YES];
}
}
- (void)setupVisualEffectView {
if (!effectView && !_removeVisualEffect) {
self.backgroundColor = [UIColor clearColor];
UIVisualEffect *blurEffect;
blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleSystemChromeMaterial];
effectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
}
effectView.translatesAutoresizingMaskIntoConstraints = NO;
[self addSubview:effectView];
}
- (CGFloat)effectViewOpacity {
return effectView.alpha;
}
- (void)setStylingOpactity:(CGFloat)opacity animated:(BOOL)animated {
if (animated == YES) {
[UIView animateWithDuration:0.2 animations:^(void) {
effectView.alpha = opacity;
}];
} else {
effectView.alpha = opacity;
}
}
- (void)setupContinueButton {
if (!_continueButton) {
_continueButton = [[ORKContinueButton alloc] initWithTitle:@"" isDoneButton:NO];
}
_continueButton.alpha = 0;
_continueButton.exclusiveTouch = YES;
_continueButton.translatesAutoresizingMaskIntoConstraints = NO;
[_continueButton addTarget:self action:@selector(continueButtonAction:) forControlEvents:UIControlEventTouchUpInside];
[self addSubview:_continueButton];
}
- (void)setupSkipButton {
if (!_skipButton) {
_skipButton = [ORKBorderedButton new];
}
_skipButton.exclusiveTouch = YES;
[_skipButton setTitle:nil forState:UIControlStateNormal];
[_skipButton addTarget:self action:@selector(skipButtonAction:) forControlEvents:UIControlEventTouchUpInside];
_skipButton.translatesAutoresizingMaskIntoConstraints = NO;
_skipButton.accessibilityIdentifier = @"ORKNavigationContainerView_skipButton";
[self addSubview:_skipButton];
}
- (void)setupFootnoteLabel {
_footnoteLabel = [ORKFootnoteLabel new];
_footnoteLabel.numberOfLines = 0;
_footnoteLabel.textAlignment = NSTextAlignmentCenter;
_footnoteLabel.translatesAutoresizingMaskIntoConstraints = NO;
_footnoteLabel.textColor = UIColor.secondaryLabelColor;
[self addSubview:_footnoteLabel];
}
- (void)setupNavigationDetailTextLabel {
_detailTextLabel = [[ORKLabel alloc] init];
_detailTextLabel.numberOfLines = 0;
_detailTextLabel.textAlignment = NSTextAlignmentCenter;
_detailTextLabel.font = [UIFont preferredFontForTextStyle:UIFontTextStyleCaption2];
_detailTextLabel.textColor = [UIColor secondaryLabelColor];
_detailTextLabel.translatesAutoresizingMaskIntoConstraints = NO;
[self addSubview:_detailTextLabel];
}
- (void)setupViews {
[self setupContinueButton];
[self setupSkipButton];
[self setUpConstraints];
}
- (void)didMoveToWindow {
_appTintColor = ORKViewTintColor(self);
_continueButton.normalTintColor = _appTintColor;
_skipButton.normalTintColor = _appTintColor;
}
- (void)setSkipButtonStyle:(ORKNavigationContainerButtonStyle)skipButtonStyle {
_skipButtonStyle = skipButtonStyle;
switch (skipButtonStyle) {
case ORKNavigationContainerButtonStyleTextStandard:
[_skipButton setAppearanceAsTextButton];
break;
case ORKNavigationContainerButtonStyleTextBold:
[_skipButton setAppearanceAsBoldTextButton];
break;
case ORKNavigationContainerButtonStyleRoundedRect:
[_skipButton resetAppearanceAsBorderedButton];
break;
default:
[_skipButton setAppearanceAsTextButton];
break;
}
}
- (void)setTopMargin:(CGFloat)topMargin {
_topMargin = topMargin;
[self updateContinueAndSkipEnabled];
}
- (void)setBottomMargin:(CGFloat)bottomMargin {
_bottomMargin = bottomMargin;
[self updateContinueAndSkipEnabled];
}
- (void)setNavigationDetailText:(NSString *)navigationDetailText {
_navigationDetailText = navigationDetailText;
_detailTextLabel.text = _navigationDetailText;
}
- (void)setContinueButtonDisabledStyle:(ORKBorderedButtonDisabledStyle)continueButtonDisabledStyle {
_continueButtonDisabledStyle = continueButtonDisabledStyle;
_continueButton.disabledButtonStyle = continueButtonDisabledStyle;
}
- (void)willMoveToWindow:(UIWindow *)newWindow {
[super willMoveToWindow:newWindow];
}
- (void)skipButtonAction:(id)sender {
[self skipAction:sender];
// Disable button for 0.5s
((UIView *)sender).userInteractionEnabled = NO;
((ORKTextButton *)sender).isInTransition = YES;
_continueOrSkipButtonJustTapped = YES;
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
_continueOrSkipButtonJustTapped = NO;
// Re-enable skip button
((UIView *)sender).userInteractionEnabled = YES;
((ORKTextButton *)sender).isInTransition = NO;
});
}
- (void)continueButtonAction:(id)sender {
if (_useNextForSkip && _skipButtonItem && !_continueButtonItem) {
[self skipAction:sender];
} else {
[self continueAction:sender];
}
// Disable button for 0.5s
((UIView *)sender).userInteractionEnabled = NO;
((ORKTextButton *)sender).isInTransition = YES;
_continueOrSkipButtonJustTapped = YES;
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
_continueOrSkipButtonJustTapped = NO;
((ORKTextButton *)sender).isInTransition = NO;
[self updateContinueAndSkipEnabled];
});
}
- (void)continueAction:(id)sender {
ORKSuppressPerformSelectorWarning(
(void)[_continueButtonItem.target performSelector:_continueButtonItem.action withObject:self];
);
}
- (void)skipAction:(id)sender {
ORKSuppressPerformSelectorWarning(
(void)[_skipButtonItem.target performSelector:_skipButtonItem.action withObject:_skipButton];
);
}
- (void)setNeverHasContinueButton:(BOOL)neverHasContinueButton {
_neverHasContinueButton = neverHasContinueButton;
[self setNeedsUpdateConstraints];
}
- (BOOL)neverHasSkipButton {
return !self.optional;
}
- (BOOL)neverHasFootnote {
return _footnoteLabel.text.length == 0;
}
- (BOOL)skipButtonHidden {
return (!_skipButtonItem) || _useNextForSkip || !self.optional || _skipButtonItem.title == nil;
}
- (CGFloat)skipButtonAlpha {
return ([self skipButtonHidden] ? 0.0 : 1.0);
}
- (BOOL)hasContinueOrSkip {
return !([self neverHasContinueButton] && [self neverHasSkipButton] && [self neverHasFootnote]);
}
- (BOOL)wasContinueOrSkipButtonJustPressed {
return _continueOrSkipButtonJustTapped;
}
- (void)updateContinueAndSkipEnabled {
[_skipButton setTitle:_skipButtonItem.title ? : ORKLocalizedString(@"BUTTON_SKIP", nil) forState:UIControlStateNormal];
if ([self neverHasContinueButton]) {
_continueButton.hidden = YES;
}
if (_useNextForSkip && _skipButtonItem) {
_continueButton.alpha = (_continueButtonItem == nil && _skipButtonItem == nil) ? 0 : 1;
[_continueButton setTitle: _continueButtonItem.title ? : _skipButtonItem.title forState:UIControlStateNormal];
_continueButton.accessibilityHint = _continueButtonItem.accessibilityHint ? : _skipButtonItem.accessibilityHint;
} else {
_continueButton.alpha = (_continueButtonItem == nil) ? 0 : 1;
[_continueButton setTitle: _continueButtonItem.title forState:UIControlStateNormal];
_continueButton.accessibilityHint = _continueButtonItem.accessibilityHint;
}
_continueButton.enabled = (_continueEnabled || (_useNextForSkip && _skipButtonItem));
_continueButton.disableTintColor = [[self tintColor] colorWithAlphaComponent:0.5];
_continueButton.disabledButtonStyle = self.continueButtonDisabledStyle;
// Do not modify _continueButton.userInteractionEnabled during continueButton disable period
// or when the activity indicator is present
if (_continueOrSkipButtonJustTapped == NO && _activityIndicatorView == nil) {
_continueButton.userInteractionEnabled = (_continueEnabled || (_useNextForSkip && _skipButtonItem));
}
_skipButton.alpha = [self skipButtonAlpha];
[self setNeedsUpdateConstraints];
[self setUpConstraints];
}
- (void)showActivityIndicator:(BOOL)showActivityIndicator {
[_continueButton setUserInteractionEnabled:!showActivityIndicator];
if (showActivityIndicator == YES) {
if (_activityIndicatorView == nil) {
_activityIndicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleMedium];
[_continueButton addSubview:_activityIndicatorView];
_activityIndicatorView.translatesAutoresizingMaskIntoConstraints = NO;
[NSLayoutConstraint activateConstraints:@[
[NSLayoutConstraint constraintWithItem:_activityIndicatorView
attribute:NSLayoutAttributeCenterX
relatedBy:NSLayoutRelationEqual
toItem:_continueButton.titleLabel
attribute:NSLayoutAttributeLeft
multiplier:1.0
constant:-activityIndicatorPadding],
[NSLayoutConstraint constraintWithItem:_activityIndicatorView
attribute:NSLayoutAttributeCenterY
relatedBy:NSLayoutRelationEqual
toItem:_continueButton.titleLabel
attribute:NSLayoutAttributeCenterY
multiplier:1.0
constant:0]
]];
}
[_activityIndicatorView startAnimating];
} else {
[_activityIndicatorView stopAnimating];
}
}
- (void)setContinueEnabled:(BOOL)continueEnabled {
_continueEnabled = continueEnabled;
[self updateContinueAndSkipEnabled];
}
- (void)setSkipEnabled:(BOOL)skipEnabled {
_skipEnabled = skipEnabled;
self.skipButton.enabled = _skipEnabled;
}
- (void)setSkipButtonItem:(UIBarButtonItem *)skipButtonItem {
_skipButtonItem = skipButtonItem;
[self updateContinueAndSkipEnabled];
}
- (void)setContinueButtonItem:(UIBarButtonItem *)continueButtonItem {
_continueButtonItem = continueButtonItem;
[self updateContinueAndSkipEnabled];
}
- (void)setUpConstraints {
CGFloat leftRightPadding = _useExtendedPadding ? ORKStepContainerExtendedLeftRightPaddingForWindow(self.window) : ORKStepContainerLeftRightPaddingForWindow(self.window);
if (_regularConstraints) {
[NSLayoutConstraint deactivateConstraints:_regularConstraints];
}
[_regularConstraints removeAllObjects];
_regularConstraints = [NSMutableArray new];
if (_detailTextLabel) {
[_regularConstraints addObjectsFromArray:@[
[NSLayoutConstraint constraintWithItem:_detailTextLabel
attribute:NSLayoutAttributeTop
relatedBy:NSLayoutRelationEqual
toItem:self
attribute:NSLayoutAttributeTop
multiplier:1.0
constant:topSpacing],
[NSLayoutConstraint constraintWithItem:_detailTextLabel
attribute:NSLayoutAttributeLeft
relatedBy:NSLayoutRelationEqual
toItem:self.safeAreaLayoutGuide
attribute:NSLayoutAttributeLeft
multiplier:1.0
constant:leftRightPadding],
[NSLayoutConstraint constraintWithItem:_detailTextLabel
attribute:NSLayoutAttributeRight
relatedBy:NSLayoutRelationEqual
toItem:self.safeAreaLayoutGuide
attribute:NSLayoutAttributeRight
multiplier:1.0
constant:-leftRightPadding]
]];
}
if (_continueButton) {
if (_detailTextLabel) {
[_regularConstraints addObjectsFromArray:@[
[NSLayoutConstraint constraintWithItem:_continueButton
attribute:NSLayoutAttributeTop
relatedBy:NSLayoutRelationEqual
toItem:_detailTextLabel
attribute:NSLayoutAttributeBottom
multiplier:1.0
constant:detailTextBottomSpacing]
]];
} else {
[_regularConstraints addObjectsFromArray:@[
[NSLayoutConstraint constraintWithItem:_continueButton
attribute:NSLayoutAttributeTop
relatedBy:NSLayoutRelationEqual
toItem:self
attribute:NSLayoutAttributeTop
multiplier:1.0
constant:topSpacing]
]];
}
[_regularConstraints addObjectsFromArray:@[
[NSLayoutConstraint constraintWithItem:_continueButton
attribute:NSLayoutAttributeLeft
relatedBy:NSLayoutRelationEqual
toItem:self.safeAreaLayoutGuide
attribute:NSLayoutAttributeLeft
multiplier:1.0
constant:leftRightPadding],
[NSLayoutConstraint constraintWithItem:_continueButton
attribute:NSLayoutAttributeRight
relatedBy:NSLayoutRelationEqual
toItem:self.safeAreaLayoutGuide
attribute:NSLayoutAttributeRight
multiplier:1.0
constant:-leftRightPadding],
]];
}
if (_skipButton) {
[_regularConstraints addObjectsFromArray:@[
[NSLayoutConstraint constraintWithItem:_skipButton
attribute:NSLayoutAttributeTop
relatedBy:NSLayoutRelationEqual
toItem:_continueButton ? : self.safeAreaLayoutGuide
attribute:_continueButton ? NSLayoutAttributeBottom : NSLayoutAttributeTop
multiplier:1.0
constant:_continueButton ? standardSpacing : topSpacing],
[NSLayoutConstraint constraintWithItem:_skipButton
attribute:NSLayoutAttributeHeight
relatedBy:NSLayoutRelationGreaterThanOrEqual
toItem:nil
attribute:NSLayoutAttributeNotAnAttribute
multiplier:1.0
constant:skipButtonHeight],
[NSLayoutConstraint constraintWithItem:_skipButton
attribute:NSLayoutAttributeLeft
relatedBy:NSLayoutRelationEqual
toItem:self.safeAreaLayoutGuide
attribute:NSLayoutAttributeLeft
multiplier:1.0
constant:leftRightPadding],
[NSLayoutConstraint constraintWithItem:_skipButton
attribute:NSLayoutAttributeRight
relatedBy:NSLayoutRelationEqual
toItem:self.safeAreaLayoutGuide
attribute:NSLayoutAttributeRight
multiplier:1.0
constant:-leftRightPadding],
]];
}
UIView *lastView = _skipButton ? : _continueButton;
if (![self neverHasFootnote]) {
UIView *lastButton = [self neverHasSkipButton] ? _continueButton : _skipButton;
[_regularConstraints addObjectsFromArray:@[
[NSLayoutConstraint constraintWithItem:_footnoteLabel
attribute:NSLayoutAttributeTop
relatedBy:NSLayoutRelationEqual
toItem:lastButton ? : self.safeAreaLayoutGuide
attribute:lastButton ? NSLayoutAttributeBottom : NSLayoutAttributeTop
multiplier:1.0
constant:lastButton ? standardSpacing : topSpacing],
[NSLayoutConstraint constraintWithItem:_footnoteLabel
attribute:NSLayoutAttributeLeft
relatedBy:NSLayoutRelationEqual
toItem:self.safeAreaLayoutGuide
attribute:NSLayoutAttributeLeft
multiplier:1.0
constant:leftRightPadding],
[NSLayoutConstraint constraintWithItem:_footnoteLabel
attribute:NSLayoutAttributeRight
relatedBy:NSLayoutRelationEqual
toItem:self.safeAreaLayoutGuide
attribute:NSLayoutAttributeRight
multiplier:1.0
constant:-leftRightPadding],
]];
lastView = _footnoteLabel;
}
if (lastView) {
[_regularConstraints addObject:[NSLayoutConstraint constraintWithItem:self
attribute:NSLayoutAttributeBottom
relatedBy:NSLayoutRelationEqual
toItem:lastView
attribute:NSLayoutAttributeBottom
multiplier:1.0
constant:bottomSpacing]
];
}
else {
[_regularConstraints addObject:[NSLayoutConstraint constraintWithItem:self
attribute:NSLayoutAttributeHeight
relatedBy:NSLayoutRelationEqual
toItem:nil
attribute:NSLayoutAttributeNotAnAttribute
multiplier:1.0
constant:0.0]
];
}
if (effectView) {
[_regularConstraints addObjectsFromArray:@[
[NSLayoutConstraint constraintWithItem:effectView
attribute:NSLayoutAttributeTop
relatedBy:NSLayoutRelationEqual
toItem:self
attribute:NSLayoutAttributeTop
multiplier:1.0
constant:0.0],
[NSLayoutConstraint constraintWithItem:effectView
attribute:NSLayoutAttributeLeft
relatedBy:NSLayoutRelationEqual
toItem:self
attribute:NSLayoutAttributeLeft
multiplier:1.0
constant:0.0],
[NSLayoutConstraint constraintWithItem:effectView
attribute:NSLayoutAttributeRight
relatedBy:NSLayoutRelationEqual
toItem:self
attribute:NSLayoutAttributeRight
multiplier:1.0
constant:0.0],
[NSLayoutConstraint constraintWithItem:effectView
attribute:NSLayoutAttributeBottom
relatedBy:NSLayoutRelationEqual
toItem:self
attribute:NSLayoutAttributeBottom
multiplier:1.0
constant:0.0]
]];
}
[NSLayoutConstraint activateConstraints:_regularConstraints];
}
- (void)layoutSubviews {
[super layoutSubviews];
[self setUpConstraints];
}
- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event {
BOOL isInside = [super pointInside:point withEvent:event];
if (!isInside) {
isInside = [self.continueButton pointInside:[self convertPoint:point toView:self.continueButton] withEvent:event];
}
return isInside;
}
- (void)setUseExtendedPadding:(BOOL)useExtendedPadding {
_useExtendedPadding = useExtendedPadding;
[self setUpConstraints];
}
- (void)tintColorDidChange {
[super tintColorDidChange];
[self didMoveToWindow];
}
@end
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