<template>
  <span
    v-bind="$attrs"
    :aria-hidden="title ? null : true"
    :aria-label="title"
    class="material-design-icon dna-icon"
    role="img"
    @click="$emit('click', $event)"
  >
    <svg
      :fill="fillColor"
      class="material-design-icon__svg"
      :width="size"
      :height="size"
      viewBox="0 0 24 24"
    >
      <path d="M4,2H6V4C6,5.44 6.68,6.61 7.88,7.78C8.74,8.61 9.89,9.41 11.09,10.2L9.26,11.39C8.27,10.72 7.31,10 6.5,9.21C5.07,7.82 4,6.1 4,4V2M18,2H20V4C20,6.1 18.93,7.82 17.5,9.21C16.09,10.59 14.29,11.73 12.54,12.84C10.79,13.96 9.09,15.05 7.88,16.22C6.68,17.39 6,18.56 6,20V22H4V20C4,17.9 5.07,16.18 6.5,14.79C7.91,13.41 9.71,12.27 11.46,11.16C13.21,10.04 14.91,8.95 16.12,7.78C17.32,6.61 18,5.44 18,4V2M14.74,12.61C15.73,13.28 16.69,14 17.5,14.79C18.93,16.18 20,17.9 20,20V22H18V20C18,18.56 17.32,17.39 16.12,16.22C15.26,15.39 14.11,14.59 12.91,13.8L14.74,12.61M7,3H17V4L16.94,4.5H7.06L7,4V3M7.68,6H16.32C16.08,6.34 15.8,6.69 15.42,7.06L14.91,7.5H9.07L8.58,7.06C8.2,6.69 7.92,6.34 7.68,6M9.09,16.5H14.93L15.42,16.94C15.8,17.31 16.08,17.66 16.32,18H7.68C7.92,17.66 8.2,17.31 8.58,16.94L9.09,16.5M7.06,19.5H16.94L17,20V21H7V20L7.06,19.5Z">
        <title v-if="title">{{ title }}</title>
      </path>
    </svg>
  </span>
</template>

<script>
export default {
  name: 'DnaIcon',
  props: {
    title: {
      type: String,
      default: null
    },
    fillColor: {
      type: String,
      default: 'currentColor'
    },
    size: {
      type: Number,
      default: 24
    }
  },
  emits: [ 'click' ]
};
</script>