pleroma-fe/src/components/settings_modal/tabs/appearance_tab.js

import BooleanSetting from '../helpers/boolean_setting.vue'
import ChoiceSetting from '../helpers/choice_setting.vue'
import IntegerSetting from '../helpers/integer_setting.vue'
import FloatSetting from '../helpers/float_setting.vue'
import UnitSetting, { defaultHorizontalUnits } from '../helpers/unit_setting.vue'

import FontControl from 'src/components/font_control/font_control.vue'

import { normalizeThemeData } from 'src/modules/interface'

import {
  getThemes
} from 'src/services/style_setter/style_setter.js'
import { convertTheme2To3 } from 'src/services/theme_data/theme2_to_theme3.js'
import { init } from 'src/services/theme_data/theme_data_3.service.js'
import {
  getCssRules,
  getScopedVersion
} from 'src/services/theme_data/css_utils.js'

import SharedComputedObject from '../helpers/shared_computed_object.js'
import ProfileSettingIndicator from '../helpers/profile_setting_indicator.vue'
import { library } from '@fortawesome/fontawesome-svg-core'
import {
  faGlobe
} from '@fortawesome/free-solid-svg-icons'

import Preview from './theme_tab/preview.vue'

library.add(
  faGlobe
)

const AppearanceTab = {
  data () {
    return {
      availableStyles: [],
      thirdColumnModeOptions: ['none', 'notifications', 'postform'].map(mode => ({
        key: mode,
        value: mode,
        label: this.$t(`settings.third_column_mode_${mode}`)
      })),
      forcedRoundnessOptions: ['disabled', 'sharp', 'nonsharp', 'round'].map((mode, i) => ({
        key: mode,
        value: i - 1,
        label: this.$t(`settings.style.themes3.hacks.forced_roundness_mode_${mode}`)
      })),
      underlayOverrideModes: ['none', 'opaque', 'transparent'].map((mode, i) => ({
        key: mode,
        value: mode,
        label: this.$t(`settings.style.themes3.hacks.underlay_override_mode_${mode}`)
      }))
    }
  },
  components: {
    BooleanSetting,
    ChoiceSetting,
    IntegerSetting,
    FloatSetting,
    UnitSetting,
    ProfileSettingIndicator,
    FontControl,
    Preview
  },
  created () {
    const self = this

    getThemes()
      .then((promises) => {
        return Promise.all(
          Object.entries(promises)
            .map(([k, v]) => v.then(res => [k, res]))
        )
      })
      .then(themes => themes.reduce((acc, [k, v]) => {
        if (v) {
          return {
            ...acc,
            [k]: v
          }
        } else {
          return acc
        }
      }, {}))
      .then((themesComplete) => {
        self.availableStyles = themesComplete
      })
  },
  computed: {
    horizontalUnits () {
      return defaultHorizontalUnits
    },
    fontsOverride () {
      return this.$store.getters.mergedConfig.fontsOverride
    },
    columns () {
      const mode = this.$store.getters.mergedConfig.thirdColumnMode

      const notif = mode === 'none' ? [] : ['notifs']

      if (this.$store.getters.mergedConfig.sidebarRight || mode === 'postform') {
        return [...notif, 'content', 'sidebar']
      } else {
        return ['sidebar', 'content', ...notif]
      }
    },
    instanceSpecificPanelPresent () { return this.$store.state.instance.showInstanceSpecificPanel },
    instanceWallpaperUsed () {
      return this.$store.state.instance.background &&
        !this.$store.state.users.currentUser.background_image
    },
    instanceShoutboxPresent () { return this.$store.state.instance.shoutAvailable },
    language: {
      get: function () { return this.$store.getters.mergedConfig.interfaceLanguage },
      set: function (val) {
        this.$store.dispatch('setOption', { name: 'interfaceLanguage', value: val })
      }
    },
    ...SharedComputedObject()
  },
  methods: {
    previewTheme (input) {
      const style = normalizeThemeData(input)
      const x = 2
      if (x === 1) return
      const theme2 = convertTheme2To3(style)
      const theme3 = init({
        inputRuleset: theme2,
        ultimateBackgroundColor: '#000000',
        liteMode: true,
        onlyNormalState: true
      })

      return getScopedVersion(
        getCssRules(theme3.eager),
        '#theme-preview-' + (input.name || input[0]).replace(/ /g, '_')
      ).join('\n')
    }
  }
}

export default AppearanceTab