ovdashboard/ui/src/components/TickerBar.vue

<template>
  <v-footer :color="variant" :dark="is_dark" fixed>
    <span class="text-h6" :style="{ 'animation-duration': marqueeDuration }">
      <div v-html="content" />
    </span>
  </v-footer>
</template>

<script lang="ts">
import { Component, Prop, Vue } from "vue-property-decorator";
import Color from "color";

@Component
export default class TickerBar extends Vue {
  @Prop({ required: true })
  private readonly content!: string;

  @Prop({ default: "primary" })
  private readonly variant!: string;

  private get is_dark(): boolean {
    return this.footerColor.isDark();
  }

  private get footerColor(): Color {
    // try getting from vuetify theme
    let color = this.$vuetify.theme.themes.light[this.variant];

    if (typeof color === "string") {
      return Color(color);
    }

    // fallback: parse color directly
    return Color(this.variant);
  }

  private get marqueeDuration(): string {
    // 10 seconds + another second per 7 chars
    let dv = this.content ? Math.round(this.content.length / 7) : 0;
    return 10 + dv + "s";
  }
}
</script>

<style lang="scss" scoped>
@keyframes marquee {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(-100%, 0);
  }
}

.v-footer {
  white-space: nowrap;
  overflow: hidden;

  > span {
    display: inline-block;
    padding-left: 100%;
    text-indent: 0;
    animation: marquee 30s linear infinite;

    &:hover {
      animation-play-state: paused;
    }
  }

  :deep(*) {
    margin: 0 !important;
  }
}
</style>