git ssb

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const nest = require('depnest')
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const compileCss = require('micro-css')
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const { h, computed, when } = require('mutant')
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const get = require('lodash/get')
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exports.gives = nest('app.sync.initialise')
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exports.needs = nest({
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  'styles.css': 'reduce',
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  'settings.obs.get': 'first'
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})
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exports.create = function (api) {
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  return nest('app.sync.initialise', styles)
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  function styles () {
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    const css = values(api.styles.css()).join('\n')
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    const custom = api.settings.obs.get('patchbay.customStyles')
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    const accessibility = api.settings.obs.get('patchbay.accessibility')
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    const openDyslexicEnabled = api.settings.obs.get('patchbay.accessibility.openDyslexicEnabled')
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    document.head.appendChild(
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      h('style', { innerHTML: css })
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    )
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    document.head.appendChild(
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      h('style', { innerHTML: computed(custom, compileCss) })
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    )
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    document.head.appendChild(
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      h('style', {
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        innerHTML: computed(accessibility, a11y => {
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          return compileCss(accessibilityMcss(a11y))
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        })
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      })
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    )
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    document.head.appendChild(
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      h('style', {
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        innerHTML: when(openDyslexicEnabled, '.App { font-family: OpenDyslexicRegular, arial, sans-serif; }', '')
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      })
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    )
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  }
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}
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// ////////////////////////////
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// The parts that feed into this are in app/html/settings/accessibility.js
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function accessibilityMcss (settings) {
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  const invert = get(settings, 'invert')
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  const saturation = get(settings, 'saturation', 100)
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  const brightness = get(settings, 'brightness', 100)
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  const contrast = get(settings, 'contrast', 100)
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  const css = `
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body {
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  filter: ${invert ? 'invert(1)' : ''} saturate(${saturation}%) brightness(${brightness}%) contrast(${contrast}%)
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  (img) {
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    filter: ${invert ? 'invert(1)' : ''}
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  }
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  (video) {
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    filter: ${invert ? 'invert(1)' : ''}
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  }
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  (button) {
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    filter: ${invert ? 'invert(1)' : ''}
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  }
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}
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`
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  return css
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}
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// ////////////////////////////
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function values (object) {
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  const keys = Object.keys(object)
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  return keys.map(k => object[k])
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}
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