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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
import React, { useState, useEffect } from "react";
import { Localized } from "./MSLocalized";
export const ColorwayDescription = props => {
const { colorway } = props;
if (!colorway) {
return null;
}
const { label, description } = colorway;
return (
<Localized text={description}>
<div
className="colorway-text"
data-l10n-args={JSON.stringify({
colorwayName: label,
})}
/>
</Localized>
);
};
// Return colorway as "default" for default theme variations Automatic, Light, Dark,
// Alpenglow theme and legacy colorways which is not supported in Colorway picker.
// For themes other then default, theme names exist in
// format colorway-variationId inside LIGHT_WEIGHT_THEMES in AboutWelcomeParent
export function computeColorWay(themeName, systemVariations) {
return !themeName ||
themeName === "alpenglow" ||
systemVariations.includes(themeName)
? "default"
: themeName.split("-")[0];
}
// Set variationIndex based off activetheme value e.g. 'light', 'expressionist-soft'
export function computeVariationIndex(
themeName,
systemVariations,
variations,
defaultVariationIndex
) {
// Check if themeName is in systemVariations, if yes choose variationIndex by themeName
let index = systemVariations.findIndex(theme => theme === themeName);
if (index >= 0) {
return index;
}
// If themeName is one of the colorways, select variation index from colorways
let variation = themeName?.split("-")[1];
index = variations.findIndex(element => element === variation);
if (index >= 0) {
return index;
}
return defaultVariationIndex;
}
export function Colorways(props) {
let {
colorways,
darkVariation,
defaultVariationIndex,
systemVariations,
variations,
} = props.content.tiles;
let hasReverted = false;
// Active theme id from JSON e.g. "expressionist"
const activeId = computeColorWay(props.activeTheme, systemVariations);
const [colorwayId, setState] = useState(activeId);
const [variationIndex, setVariationIndex] = useState(defaultVariationIndex);
function revertToDefaultTheme() {
if (hasReverted) return;
// Spoofing an event with current target value of "navigate_away"
// helps the handleAction method to read the colorways theme as "revert"
// which causes the initial theme to be activated.
// The "navigate_away" action is set in content in the colorways screen JSON config.
// Any value in the JSON for theme will work, provided it is not `<event>`.
const event = {
currentTarget: {
value: "navigate_away",
},
};
props.handleAction(event);
hasReverted = true;
}
// Revert to default theme if the user navigates away from the page or spotlight modal
// before clicking on the primary button to officially set theme.
useEffect(() => {
addEventListener("beforeunload", revertToDefaultTheme);
addEventListener("pagehide", revertToDefaultTheme);
return () => {
removeEventListener("beforeunload", revertToDefaultTheme);
removeEventListener("pagehide", revertToDefaultTheme);
};
});
// Update state any time activeTheme changes.
useEffect(() => {
setState(computeColorWay(props.activeTheme, systemVariations));
setVariationIndex(
computeVariationIndex(
props.activeTheme,
systemVariations,
variations,
defaultVariationIndex
)
);
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [props.activeTheme]);
//select a random colorway
useEffect(() => {
//We don't want the default theme to be selected
const randomIndex = Math.floor(Math.random() * (colorways.length - 1)) + 1;
const randomColorwayId = colorways[randomIndex].id;
// Change the variation to be the dark variation if configured and dark.
// Additional colorway changes will remain dark while system is unchanged.
if (
darkVariation !== undefined &&
window.matchMedia("(prefers-color-scheme: dark)").matches
) {
variations[variationIndex] = variations[darkVariation];
}
const value = `${randomColorwayId}-${variations[variationIndex]}`;
props.handleAction({ currentTarget: { value } });
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);
return (
<div className="tiles-theme-container">
<div>
<fieldset className="tiles-theme-section">
<Localized text={props.content.subtitle}>
<legend className="sr-only" />
</Localized>
{colorways.map(({ id, label, tooltip }) => (
<Localized
key={id + label}
text={typeof tooltip === "object" ? tooltip : {}}
>
<label
className="theme"
title={label}
data-l10n-args={JSON.stringify({
colorwayName: label,
})}
>
<Localized text={typeof tooltip === "object" ? tooltip : {}}>
<span
className="sr-only colorway label"
id={`${id}-label`}
data-l10n-args={JSON.stringify({
colorwayName: tooltip,
})}
/>
</Localized>
<Localized text={typeof label === "object" ? label : {}}>
<input
type="radio"
data-colorway={id}
name="theme"
value={
id === "default"
? systemVariations[variationIndex]
: `${id}-${variations[variationIndex]}`
}
checked={colorwayId === id}
className="sr-only input"
onClick={props.handleAction}
data-l10n-args={JSON.stringify({
colorwayName: label,
})}
aria-labelledby={`${id}-label`}
/>
</Localized>
<div
className={`icon colorway ${
colorwayId === id ? "selected" : ""
} ${id}`}
/>
</label>
</Localized>
))}
</fieldset>
</div>
<ColorwayDescription
colorway={colorways.find(colorway => colorway.id === activeId)}
/>
</div>
);
}
|
