mirror of https://github.com/vector-im/riot-web
100 lines
3.1 KiB
Plaintext
100 lines
3.1 KiB
Plaintext
/*
|
|
Copyright 2024 New Vector Ltd.
|
|
Copyright 2021 The Matrix.org Foundation C.I.C.
|
|
|
|
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
|
|
Please see LICENSE files in the repository root for full details.
|
|
*/
|
|
|
|
/* CSS inspiration from: */
|
|
/* * https://www.w3schools.com/howto/howto_js_rangeslider.asp */
|
|
/* * https://stackoverflow.com/a/28283806 */
|
|
/* * https://css-tricks.com/styling-cross-browser-compatible-range-inputs-css/ */
|
|
|
|
.mx_SeekBar {
|
|
/* default, overridden in JS */
|
|
--fillTo: 1;
|
|
|
|
/* Dev note: we deliberately do not have the -ms-track (and friends) selectors because we don't */
|
|
/* need to support IE. */
|
|
|
|
appearance: none; /* default style override */
|
|
|
|
width: 100%;
|
|
height: 1px;
|
|
background: $quaternary-content;
|
|
outline: none; /* remove blue selection border */
|
|
position: relative; /* for before+after pseudo elements later on */
|
|
|
|
cursor: pointer;
|
|
|
|
&::-webkit-slider-thumb {
|
|
appearance: none; /* default style override */
|
|
|
|
/* Dev note: This needs to be duplicated with the -moz-range-thumb selector */
|
|
/* because otherwise Edge (webkit) will fail to see the styles and just refuse */
|
|
/* to apply them. */
|
|
width: 8px;
|
|
height: 8px;
|
|
border-radius: 8px;
|
|
background-color: $tertiary-content;
|
|
cursor: pointer;
|
|
}
|
|
|
|
&::-moz-range-thumb {
|
|
width: 8px;
|
|
height: 8px;
|
|
border-radius: 8px;
|
|
background-color: $tertiary-content;
|
|
cursor: pointer;
|
|
|
|
/* Firefox adds a border on the thumb */
|
|
border: none;
|
|
}
|
|
|
|
/* This is for webkit support, but we can't limit the functionality of it to just webkit */
|
|
/* browsers. Firefox responds to webkit-prefixed values now, which means we can't use media */
|
|
/* or support queries to selectively apply the rule. An upside is that this CSS doesn't work */
|
|
/* in firefox, so it's just wasted CPU/GPU time. */
|
|
&::before {
|
|
/* ::before to ensure it ends up under the thumb */
|
|
content: "";
|
|
background-color: $tertiary-content;
|
|
|
|
/* Absolute positioning to ensure it overlaps with the existing bar */
|
|
position: absolute;
|
|
top: 0;
|
|
left: 0;
|
|
|
|
/* Sizing to match the bar */
|
|
width: 100%;
|
|
height: 1px;
|
|
|
|
/* And finally dynamic width without overly hurting the rendering engine. */
|
|
transform-origin: 0 100%;
|
|
transform: scaleX(var(--fillTo));
|
|
}
|
|
|
|
/* This is firefox's built-in support for the above, with 100% less hacks. */
|
|
&::-moz-range-progress {
|
|
background-color: $tertiary-content;
|
|
height: 1px;
|
|
}
|
|
|
|
&:disabled {
|
|
opacity: 0.5;
|
|
}
|
|
|
|
/* Increase clickable area for the slider (approximately same size as browser default) */
|
|
/* We do it this way to keep the same padding and margins of the element, avoiding margin math. */
|
|
/* Source: https://front-back.com/expand-clickable-areas-for-a-better-touch-experience/ */
|
|
&::after {
|
|
content: "";
|
|
position: absolute;
|
|
top: -6px;
|
|
bottom: -6px;
|
|
left: 0;
|
|
right: 0;
|
|
}
|
|
}
|