feat(xo-core): add UiProgressBar component

@xen-orchestra/web-core/lib/components/ui/progress-bar/UiProgressBar.vue

@@ -0,0 +1,106 @@
+<!-- v2 -->
+<template>
+  <div class="ui-progress-bar" :class="classes">
+    <div class="progress-bar">
+      <div class="segment" :style="{ width: `${percentage}%` }" />
+    </div>
+    <div v-if="steps" class="steps typo-body-regular-small">
+      <span>{{ `${steps[0]}%` }}</span>
+      <span>{{ `${steps[1]}%` }}</span>
+      <span>{{ `${steps[2]}%` }}</span>
+    </div>
+    <VtsLegendList class="legend">
+      <UiLegend :accent :value="rawPercentage" unit="%">{{ legend }}</UiLegend>
+    </VtsLegendList>
+  </div>
+</template>
+
+<script lang="ts" setup>
+import VtsLegendList from '@core/components/legend-list/VtsLegendList.vue'
+import UiLegend from '@core/components/ui/legend/UiLegend.vue'
+import { toVariants } from '@core/utils/to-variants.util'
+import { computed } from 'vue'
+
+const { value, max, steps } = defineProps<{
+  legend: string
+  value: number
+  max?: number
+  steps?: [number, number, number]
+}>()
+
+const rawPercentage = computed(() => Math.round((value / (max ?? 100)) * 1000) / 10)
+
+const percentage = computed(() => {
+  if (!steps) {
+    return rawPercentage.value
+  }
+
+  const relativeValue = (value / (max ?? 100)) * 100
+
+  return Math.min(100, Math.round(relativeValue * steps?.[1]) / steps?.[2])
+})
+
+const accent = computed(() => {
+  if (percentage.value >= 90) {
+    return 'danger'
+  }
+
+  if (percentage.value >= 80) {
+    return 'warning'
+  }
+
+  return 'info'
+})
+
+const classes = computed(() => toVariants({ accent: accent.value }))
+</script>
+
+<style lang="postcss" scoped>
+.ui-progress-bar {
+  display: flex;
+  flex-direction: column;
+  gap: 0.4rem;
+
+  .progress-bar {
+    width: 100%;
+    height: 1.2rem;
+    border-radius: 0.4rem;
+    overflow: hidden;
+    background-color: var(--color-neutral-background-disabled);
+
+    .segment {
+      height: 100%;
+    }
+  }
+
+  .steps {
+    color: var(--color-neutral-txt-secondary);
+    display: flex;
+    justify-content: space-between;
+  }
+
+  .legend {
+    margin-inline-start: auto;
+  }
+
+  /* ACCENT */
+
+  &.accent--info {
+    .segment {
+      background-color: var(--color-info-item-base);
+    }
+  }
+
+  &.accent--warning {
+    .segment {
+      background-color: var(--color-warning-item-base);
+    }
+  }
+
+  &.accent--danger {
+    .segment {
+      background-color: var(--color-danger-item-base);
+    }
+  }
+}
+</style>