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Follow ups for accessibility of announcements slider #2580

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merged 8 commits into from
May 2, 2023
Merged

Follow ups for accessibility of announcements slider #2580

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1727d86
Stop auto-rotation after first interaction with an arrow button.
eugenekasimov Apr 27, 2023
4dcf680
Change 'resize' to 'change' and max-width to min-width.
eugenekasimov Apr 27, 2023
a89de56
Apply the current changes to the announcement bar only.
eugenekasimov Apr 27, 2023
9396596
Renaming variables in JS.
eugenekasimov Apr 28, 2023
00d23e0
Add a condition for the announcement bar for JS.
eugenekasimov Apr 28, 2023
441ab20
Refactoring JS code.
eugenekasimov Apr 28, 2023
adefa39
Refactor JS.
eugenekasimov May 1, 2023
a92da33
Combine mediaQuery into array.
eugenekasimov May 2, 2023
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Stop auto-rotation after first interaction with an arrow button. 
Prevent auto-rotation for mobile.

Change settings for auto-rotation.
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@eugenekasimov
eugenekasimov committed Apr 27, 2023
commit 1727d86a531b1c626dcd42c02aa3c28b9da53f4d
21 changes: 17 additions & 4 deletions assets/global.js
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Original file line number Diff line number Diff line change
Expand Up @@ -701,6 +701,7 @@ class SlideshowComponent extends SliderComponent {
super();
this.sliderControlWrapper = this.querySelector('.slider-buttons');
this.enableSliderLooping = true;
this.arrowButtonWasInteracted = false;
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if (!this.sliderControlWrapper) return;

Expand All @@ -712,12 +713,17 @@ class SlideshowComponent extends SliderComponent {
this.slider.addEventListener('scroll', this.setSlideVisibility.bind(this));
this.setSlideVisibility();

this.mobileLayout = window.matchMedia('(max-width: 749px)');
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this.reducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)');
this.reducedMotion.addEventListener('change', () => {
if (this.slider.getAttribute('data-autoplay') === 'true') this.setAutoPlay();
if (this.slider.getAttribute('data-autoplay') === 'true' && !this.mobileLayout.matches) this.setAutoPlay();
});

if (this.slider.getAttribute('data-autoplay') === 'true') this.setAutoPlay();
window.addEventListener('resize', () => {
this.mobileLayout.matches || this.arrowButtonWasInteracted || this.reducedMotion.matches ? this.pause() : this.play();
});
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if (this.slider.getAttribute('data-autoplay') === 'true' && !this.mobileLayout.matches) this.setAutoPlay();
}

setAutoPlay() {
Expand All @@ -727,13 +733,20 @@ class SlideshowComponent extends SliderComponent {
this.addEventListener('focusin', this.focusInHandling.bind(this));
this.addEventListener('focusout', this.focusOutHandling.bind(this));

this.sliderArrowButtons = this.querySelectorAll('.announcement-bar-slider .slider-button');
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this.sliderArrowButtons.forEach((button) => {
button.addEventListener('click', () => {
this.arrowButtonWasInteracted = true;
}, {once: true});
});
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Here I don't think you need to add/create a new event listener. We already have an existing listener on the buttons from the SliderComponent.
So you could just add the functionality that you need in the onButtonClick function specifically when it's the announcement bar buttons.

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Video explanation.

I know you use the once: true on the listener you declared but you should be able to run your specific logic just once in onButtonClick as well by have a check.

Though because it's something that isn't general to slideshows but only in one specific use case (announcement bars), it might be better to keep it separate 🤔

@stufreen do you have a preference yourself ?


if (this.querySelector('.slideshow__autoplay')) {
this.sliderAutoplayButton = this.querySelector('.slideshow__autoplay');
this.sliderAutoplayButton.addEventListener('click', this.autoPlayToggle.bind(this));
this.autoplayButtonIsSetToPlay = true;
this.play();
} else {
this.reducedMotion.matches ? this.pause() : this.play();
this.reducedMotion.matches || this.arrowButtonWasInteracted ? this.pause() : this.play();
}
}

Expand Down Expand Up @@ -782,7 +795,7 @@ class SlideshowComponent extends SliderComponent {
event.target === this.sliderAutoplayButton || this.sliderAutoplayButton.contains(event.target);
if (!this.autoplayButtonIsSetToPlay || focusedOnAutoplayButton) return;
this.play();
} else if (!this.reducedMotion.matches) {
} else if (!this.reducedMotion.matches && !this.arrowButtonWasInteracted && !this.mobileLayout.matches) {
this.play();
}
}
Expand Down
6 changes: 3 additions & 3 deletions sections/announcement-bar.liquid
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Original file line number Diff line number Diff line change
Expand Up @@ -141,9 +141,9 @@
{
"type": "range",
"id": "change_slides_speed",
"min": 3,
"max": 9,
"step": 2,
"min": 5,
"max": 10,
"step": 1,
"unit": "s",
"label": "t:sections.announcement-bar.settings.change_slides_speed.label",
"default": 5
Expand Down