ArticleTemplates/assets/scss/modules/media/_audio-player.scss

// /*doc
// ---
// title: Audio player
// name: audio-player
// category: Media
// ---
// Play a piece of audio, i.e. a podcast.
//
// ```html_example
// <div class="audio-player">
//     <img class="audio-player__button--loading" src="" alt="Loading…"/>
//
//     <a class="audio-player__button touchpoint touchpoint--primary" href="#audio.mp3">
//         <span class="touchpoint__button play" data-icon="&#xe04b;" aria-hidden="true"></span>
//         <span class="touchpoint__button pause" data-icon="&#xe04D;" aria-hidden="true"></span>
//         <span class="touchpoint__label screen-readable">Play</span>
//     </a>
//
//     <div class="audio-player__slider">
//         <input class="audio-player__slider__played" type="text" id="audio-scrubber" value="3:00"/>
//         <input class="audio-player__slider__remaining" type="text" id="audio-scrubber-left" value="-12:00"/>
//         <div class="audio-player__slider__track"></div>
//         <div class="audio-player__slider__knob" role="slider" style="-webkit-transform: translate3d(0px, 0, 0);"></div>
//     </div>
// </div>
// ```
// */

.audio-player {
    background-color: color(brightness-20);
    padding: base-px(1);
    padding-left: 68px;
    position: relative;
    height: 68px;
    width: 100%;
    z-index: 2;
}

.audio-player__container_new .audio-player,
.listen-to-article__container .audio-player {
    padding-left: 64px;
    padding-bottom: base-px(0.3);
    padding-top: base-px(0.7);
    height: 56px;
}

.listen-to-article__container .audio-player {
    background-color: inherit;
}

@keyframes pulseOut {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(2.6);
        opacity: 0;
    }
}

@include mq($from: col4) {
    .audio-player__container, .audio-player__container_new, .listen-to-article__container {
        background-color: darken(color(brightness-20), 5%);
    }

    .audio-player__wrapper {
        background-color: color(brightness-20);
        margin: 0 auto;
        width: 1200px;
    }

    .audio-player {
        margin-left: 240px;
        width: 620px;
    }
}

.audio-player__button {
    position: absolute;
    top: base-px(1);
    left: base-px(1);

    transform: scale(1);
    transition: all 300ms;
    z-index: 10;
    .loading & {
        transform: scale(0.5);
        transition: all 1ms;
        z-index: -1;
    }

    &.touchpoint--primary .touchpoint__button {
        color: color(brightness-7);
        background-color: color(tone-media);

        &:active {
            background-color: color(tone-media-accent);
        }
    }

    .touchpoint__button.pause {
        display: none;
    }

    &.pause {
        .touchpoint__button.pause {
            display: block;
        }

        .touchpoint__button.play {
            display: none;
        }
    }
}

.audio-player__container_new .audio-player__button,
.listen-to-article__container .audio-player__button {
    top: base-px(0.7);
}

.audio-player__button--loading {
    position: absolute;
    top: base-px(1);
    left: base-px(1);
    width: 44px;
    height: 44px;
    visibility: hidden;
    .pulse {
        transform: scale(1);
        transition: transform 300ms ease-in-out;
        &:before,
        &:after,
        & {
            content: '';
            display: block;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border-radius: 100%;
            background-color: color(tone-highlight);
        }
        &:before,
        &:after {
            opacity: 0;
            transform: scale(0);
        }
        .loading & {
            visibility: visible;
            transform: scale(0.5);
            &:before,
            &:after {
                animation: pulseOut 2s ease-out infinite;
            }
            &:after {
                animation-delay: 1s;
            }
        }
    }
}

.audio-player__container_new .audio-player__button--loading,
.listen-to-article__container .audio-player__button--loading {
    top: base-px(0.7);
}

.audio-player__slider {
    outline: 0;
    height: 100%;
    width: 100%;
    position: relative;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-text-size-adjust: none;
    -webkit-touch-callout: none;
}

.audio-player__slider__played,
.audio-player__slider__remaining {
    @include meta;
    color: color(brightness-100);
    opacity: 1;
    font-family: $guardian-sans;
    font-weight: normal;
    background: transparent;
    position: absolute;
    border: 0;
    padding: 0;
    margin: 0;
    margin-top: -3px; // Offset for fonts
}

.audio-player__slider__remaining {
    text-align: right;
    right: 0;
}

.audio-player__info__label,
.audio-player__info__duration {
    @include meta;
    color: color(brightness-86);
    opacity: 1;
    font-family: $guardian-sans;
    background: transparent;
    border: 0;
    padding: 0;
}

.audio-player__info__label {
    font-weight: 600;
    font-size: 1.6rem;
    line-height: 1.6rem;
    padding-top: base-px(0.5);
}

.audio-player__info__duration {
    font-weight: normal;
    font-size: 1.5rem;
    line-height: 1.1rem;
    padding-top: base-px(0.5);
}

.audio-player__waveform {
    height: 32px;
    background-image: url('../img/audio-waveform.svg');
    background-position: bottom;
    background-size: contain;
    background-repeat: repeat-x;
    margin-left: base-px(1);
    margin-right: base-px(1);
}

.audio-player__quadlines {
    height: 12px;
    width: 100%;
    opacity: .2;
    background-image: repeating-linear-gradient(currentColor, currentColor 1px, transparent 1px, transparent 3px);
}

.audio-player__slider__track {
    background-color: color(brightness-60);
    height: 2px;
    width: 100%;
    position: absolute;
    top: calc(50% + 9px);
    right: 0;
    left: 0;
}

.audio-player__slider__knob {
    background-color: color(tone-media-accent);
    margin-top: 24px;
    border-radius: 50%;
    padding: 0;
    height: 16px;
    width: 16px;
    position: absolute;
}

.listen-to-article__container {
    display: none;
}