<template>
  <div>
    <svg-icon :icon-class="isFullscreen?'exit-fullscreen':'fullscreen'" @click="click" />
  </div>
</template>

<script>
  import screenfull from 'screenfull'

  export default {
    name: 'Screenfull',
    data() {
      return {
        isFullscreen: false
      }
    },
    mounted() {
      this.init()
    },
    methods: {
      click() {
        if (!screenfull.enabled) {
          this.$message({
            message: 'you browser can not work',
            type: 'warning'
          })
          return false
        }
        screenfull.toggle()
      },
      init() {
        if (screenfull.enabled) {
          screenfull.on('change', () => {
            this.isFullscreen = screenfull.isFullscreen
          })
        }
      }
    }
  }
</script>

<style scoped>
.screenfull-svg {
  display: inline-block;
  cursor: pointer;
  fill: #5a5e66;;
  width: 20px;
  height: 20px;
  vertical-align: 10px;
}
</style>
