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Styles\nimport './VCarousel.sass'\n\n// Extensions\nimport VWindow from '../VWindow/VWindow'\n\n// Components\nimport VBtn from '../VBtn'\nimport VIcon from '../VIcon'\nimport VProgressLinear from '../VProgressLinear'\n\n// Mixins\n// TODO: Move this into core components v2.0\nimport ButtonGroup from '../../mixins/button-group'\n\n// Utilities\nimport { convertToUnit } from '../../util/helpers'\nimport { breaking } from '../../util/console'\n\n// Types\nimport { VNode, PropType } from 'vue'\n\nexport default VWindow.extend({\n  name: 'v-carousel',\n\n  props: {\n    continuous: {\n      type: Boolean,\n      default: true,\n    },\n    cycle: Boolean,\n    delimiterIcon: {\n      type: String,\n      default: '$delimiter',\n    },\n    height: {\n      type: [Number, String],\n      default: 500,\n    },\n    hideDelimiters: Boolean,\n    hideDelimiterBackground: Boolean,\n    interval: {\n      type: [Number, String],\n      default: 6000,\n      validator: (value: string | number) => value > 0,\n    },\n    mandatory: {\n      type: Boolean,\n      default: true,\n    },\n    progress: Boolean,\n    progressColor: String,\n    showArrows: {\n      type: Boolean,\n      default: true,\n    },\n    verticalDelimiters: {\n      type: String as PropType<'' | 'left' | 'right'>,\n      default: undefined,\n    },\n  },\n\n  data () {\n    return {\n      internalHeight: this.height,\n      slideTimeout: undefined as number | undefined,\n    }\n  },\n\n  computed: {\n    classes (): object {\n      return {\n        ...VWindow.options.computed.classes.call(this),\n        'v-carousel': true,\n        'v-carousel--hide-delimiter-background': this.hideDelimiterBackground,\n        'v-carousel--vertical-delimiters': this.isVertical,\n      }\n    },\n    isDark (): boolean {\n      return this.dark || !this.light\n    },\n    isVertical (): boolean {\n      return this.verticalDelimiters != null\n    },\n  },\n\n  watch: {\n    internalValue: 'restartTimeout',\n    interval: 'restartTimeout',\n    height (val, oldVal) {\n      if (val === oldVal || !val) return\n      this.internalHeight = val\n    },\n    cycle (val) {\n      if (val) {\n        this.restartTimeout()\n      } else {\n        clearTimeout(this.slideTimeout)\n        this.slideTimeout = undefined\n      }\n    },\n  },\n\n  created () {\n    /* istanbul ignore next */\n    if (this.$attrs.hasOwnProperty('hide-controls')) {\n      breaking('hide-controls', ':show-arrows=\"false\"', this)\n    }\n  },\n\n  mounted () {\n    this.startTimeout()\n  },\n\n  methods: {\n    genControlIcons () {\n      if (this.isVertical) return null\n\n      return VWindow.options.methods.genControlIcons.call(this)\n    },\n    genDelimiters (): VNode {\n      return this.$createElement('div', {\n        staticClass: 'v-carousel__controls',\n        style: {\n          left: this.verticalDelimiters === 'left' && this.isVertical ? 0 : 'auto',\n          right: this.verticalDelimiters === 'right' ? 0 : 'auto',\n        },\n      }, [this.genItems()])\n    },\n    genItems (): VNode {\n      const length = this.items.length\n      const children = []\n\n      for (let i = 0; i < length; i++) {\n        const child = this.$createElement(VBtn, {\n          staticClass: 'v-carousel__controls__item',\n          attrs: {\n            'aria-label': this.$vuetify.lang.t('$vuetify.carousel.ariaLabel.delimiter', i + 1, length),\n          },\n          props: {\n            icon: true,\n            small: true,\n            value: this.getValue(this.items[i], i),\n          },\n        }, [\n          this.$createElement(VIcon, {\n            props: { size: 18 },\n          }, this.delimiterIcon),\n        ])\n\n        children.push(child)\n      }\n\n      return this.$createElement(ButtonGroup, {\n        props: {\n          value: this.internalValue,\n          mandatory: this.mandatory,\n        },\n        on: {\n          change: (val: unknown) => {\n            this.internalValue = val\n          },\n        },\n      }, children)\n    },\n    genProgress () {\n      return this.$createElement(VProgressLinear, {\n        staticClass: 'v-carousel__progress',\n        props: {\n          color: this.progressColor,\n          value: (this.internalIndex + 1) / this.items.length * 100,\n        },\n      })\n    },\n    restartTimeout () {\n      this.slideTimeout && clearTimeout(this.slideTimeout)\n      this.slideTimeout = undefined\n\n      window.requestAnimationFrame(this.startTimeout)\n    },\n    startTimeout () {\n      if (!this.cycle) return\n\n      this.slideTimeout = window.setTimeout(this.next, +this.interval > 0 ? +this.interval : 6000)\n    },\n  },\n\n  render (h): VNode {\n    const render = VWindow.options.render.call(this, h)\n\n    render.data!.style = `height: ${convertToUnit(this.height)};`\n\n    /* istanbul ignore else */\n    if (!this.hideDelimiters) {\n      render.children!.push(this.genDelimiters())\n    }\n\n    /* istanbul ignore else */\n    if (this.progress || this.progressColor) {\n      render.children!.push(this.genProgress())\n    }\n\n    return render\n  },\n})\n"],"sourceRoot":"","file":"VCarousel.js"}