feat: implement wellness settings (#1256)

* implement wellness settings

fixes #1192

Adds
- grayscale mode (as well as separate grayscale/dark grayscale
themes)
- disable follower/boost/fav counts (follower counts capped at 10)
- disable unread notification count (red dot)

* fix lint

* fix crawler

bin/build-sass.js

@@ -11,7 +11,6 @@ const render = promisify(sass.render.bind(sass))
 
 const globalScss = path.join(__dirname, '../src/scss/global.scss')
 const defaultThemeScss = path.join(__dirname, '../src/scss/themes/_default.scss')
-const offlineThemeScss = path.join(__dirname, '../src/scss/themes/_offline.scss')
 const customScrollbarScss = path.join(__dirname, '../src/scss/custom-scrollbars.scss')
 const themesScssDir = path.join(__dirname, '../src/scss/themes')
 const assetsDir = path.join(__dirname, '../static')
@@ -22,11 +21,9 @@ async function renderCss (file) {
 
 async function compileGlobalSass () {
   let mainStyle = (await Promise.all([defaultThemeScss, globalScss].map(renderCss))).join('')
-  let offlineStyle = (await renderCss(offlineThemeScss))
   let scrollbarStyle = (await renderCss(customScrollbarScss))
 
   return `<style>\n${mainStyle}</style>\n` +
-    `<style media="only x" id="theOfflineStyle">\n${offlineStyle}</style>\n` +
     `<style media="all" id="theScrollbarStyle">\n${scrollbarStyle}</style>\n`
 }
 

bin/svgs.js

@@ -51,5 +51,6 @@ module.exports = [
   { id: 'fa-bar-chart', src: 'src/thirdparty/font-awesome-svg-png/white/svg/bar-chart.svg' },
   { id: 'fa-clock', src: 'src/thirdparty/font-awesome-svg-png/white/svg/clock-o.svg' },
   { id: 'fa-refresh', src: 'src/thirdparty/font-awesome-svg-png/white/svg/refresh.svg' },
-  { id: 'fa-plus', src: 'src/thirdparty/font-awesome-svg-png/white/svg/plus.svg' }
+  { id: 'fa-plus', src: 'src/thirdparty/font-awesome-svg-png/white/svg/plus.svg' },
+  { id: 'fa-info-circle', src: 'src/thirdparty/font-awesome-svg-png/white/svg/info-circle.svg' }
 ]

src/inline-script/inline-script.js

@@ -3,16 +3,21 @@
 // To allow CSP to work correctly, we also calculate a sha256 hash during
 // the build process and write it to checksum.js.
 
-import { testHasLocalStorageOnce } from '../routes/_utils/testStorage'
 import { INLINE_THEME, DEFAULT_THEME, switchToTheme } from '../routes/_utils/themeEngine'
 import { basename } from '../routes/_api/utils'
 import { onUserIsLoggedOut } from '../routes/_actions/onUserIsLoggedOut'
+import { storeLite } from '../routes/_store/storeLite'
 
 window.__themeColors = process.env.THEME_COLORS
 
-const safeParse = str => (typeof str === 'undefined' || str === 'undefined') ? undefined : JSON.parse(str)
-const hasLocalStorage = testHasLocalStorageOnce()
-const currentInstance = hasLocalStorage && safeParse(localStorage.store_currentInstance)
+const {
+  currentInstance,
+  instanceThemes,
+  disableCustomScrollbars,
+  enableGrayscale
+} = storeLite.get()
+
+const theme = (instanceThemes && instanceThemes[currentInstance]) || DEFAULT_THEME
 
 if (currentInstance) {
   // Do prefetch if we're logged in, so we can connect faster to the other origin.
@@ -26,24 +31,23 @@ if (currentInstance) {
   document.head.appendChild(link)
 }
 
-let theme = (currentInstance &&
-  localStorage.store_instanceThemes &&
-  safeParse(localStorage.store_instanceThemes)[safeParse(localStorage.store_currentInstance)]) ||
-  DEFAULT_THEME
 if (theme !== INLINE_THEME) {
   // switch theme ASAP to minimize flash of default theme
-  switchToTheme(theme)
+  switchToTheme(theme, enableGrayscale)
 }
 
-if (!hasLocalStorage || !currentInstance) {
+if (enableGrayscale) {
+  document.body.classList.add('grayscale')
+}
+
+if (!currentInstance) {
   // if not logged in, show all these 'hidden-from-ssr' elements
   onUserIsLoggedOut()
 }
 
-if (hasLocalStorage && localStorage.store_disableCustomScrollbars === 'true') {
-  // if user has disabled custom scrollbars, remove this style
-  let theScrollbarStyle = document.getElementById('theScrollbarStyle')
-  theScrollbarStyle.setAttribute('media', 'only x') // disables the style
+if (disableCustomScrollbars) {
+  document.getElementById('theScrollbarStyle')
+    .setAttribute('media', 'only x') // disables the style
 }
 
 // hack to make the scrollbars rounded only on macOS

src/routes/_actions/addInstance.js

@@ -84,7 +84,8 @@ async function registerNewInstance (code) {
     instanceThemes: instanceThemes
   })
   store.save()
-  switchToTheme(DEFAULT_THEME)
+  let { enableGrayscale } = store.get()
+  switchToTheme(DEFAULT_THEME, enableGrayscale)
   // fire off these requests so they're cached
   /* no await */ updateVerifyCredentialsForInstance(currentRegisteredInstanceName)
   /* no await */ updateCustomEmojiForInstance(currentRegisteredInstanceName)

src/routes/_actions/instances.js

@@ -1,6 +1,6 @@
 import { getVerifyCredentials } from '../_api/user'
 import { store } from '../_store/store'
-import { DEFAULT_THEME, switchToTheme } from '../_utils/themeEngine'
+import { switchToTheme } from '../_utils/themeEngine'
 import { toast } from '../_components/toast/toast'
 import { goto } from '../../../__sapper__/client'
 import { cacheFirstUpdateAfter } from '../_utils/sync'
@@ -14,7 +14,8 @@ export function changeTheme (instanceName, newTheme) {
   store.save()
   let { currentInstance } = store.get()
   if (instanceName === currentInstance) {
-    switchToTheme(newTheme)
+    let { enableGrayscale } = store.get()
+    switchToTheme(newTheme, enableGrayscale)
   }
 }
 
@@ -26,7 +27,8 @@ export function switchToInstance (instanceName) {
     queryInSearch: ''
   })
   store.save()
-  switchToTheme(instanceThemes[instanceName])
+  let { enableGrayscale } = store.get()
+  switchToTheme(instanceThemes[instanceName], enableGrayscale)
 }
 
 export async function logOutOfInstance (instanceName) {
@@ -55,7 +57,8 @@ export async function logOutOfInstance (instanceName) {
   })
   store.save()
   toast.say(`Logged out of ${instanceName}`)
-  switchToTheme(instanceThemes[newInstance] || DEFAULT_THEME)
+  let { enableGrayscale } = store.get()
+  switchToTheme(instanceThemes[newInstance], enableGrayscale)
   /* no await */ database.clearDatabaseForInstance(instanceName)
   goto('/settings/instances')
 }

src/routes/_components/profile/AccountProfileDetails.html

@@ -127,7 +127,12 @@
       numFollowers: ({ account }) => account.followers_count || 0,
       numStatusesDisplay: ({ numStatuses }) => numberFormat.format(numStatuses),
       numFollowingDisplay: ({ numFollowing }) => numberFormat.format(numFollowing),
-      numFollowersDisplay: ({ numFollowers }) => numberFormat.format(numFollowers),
+      numFollowersDisplay: ({ numFollowers, $disableFollowerCounts }) => {
+        if ($disableFollowerCounts && numFollowers >= 10) {
+          return '10+'
+        }
+        return numberFormat.format(numFollowers)
+      },
       followersLabel: ({ numFollowers }) => `Followed by ${numFollowers}`,
       followingLabel: ({ numFollowing }) => `Follows ${numFollowing}`
     },

src/routes/_components/status/StatusDetails.html

@@ -158,13 +158,19 @@
       application: ({ originalStatus }) => originalStatus.application,
       applicationName: ({ application }) => (application && application.name),
       applicationWebsite: ({ application }) => (application && application.website),
-      numReblogs: ({ overrideNumReblogs, originalStatus }) => {
+      numReblogs: ({ $disableReblogCounts, overrideNumReblogs, originalStatus }) => {
+        if ($disableReblogCounts) {
+          return 0
+        }
         if (typeof overrideNumReblogs === 'number') {
           return overrideNumReblogs
         }
         return originalStatus.reblogs_count || 0
       },
-      numFavs: ({ overrideNumFavs, originalStatus }) => {
+      numFavs: ({ $disableFavCounts, overrideNumFavs, originalStatus }) => {
+        if ($disableFavCounts) {
+          return 0
+        }
         if (typeof overrideNumFavs === 'number') {
           return overrideNumFavs
         }
@@ -173,13 +179,19 @@
       displayAbsoluteFormattedDate: ({ createdAtDateTS, $isMobileSize }) => (
         ($isMobileSize ? shortAbsoluteDateFormatter : absoluteDateFormatter).format(createdAtDateTS)
       ),
-      reblogsLabel: ({ numReblogs }) => {
+      reblogsLabel: ({ $disableReblogCounts, numReblogs }) => {
+        if ($disableReblogCounts) {
+          return 'Boost counts hidden'
+        }
         // TODO: intl
         return numReblogs === 1
           ? `Boosted ${numReblogs} time`
           : `Boosted ${numReblogs} times`
       },
-      favoritesLabel: ({ numFavs }) => {
+      favoritesLabel: ({ $disableFavCounts, numFavs }) => {
+        if ($disableFavCounts) {
+          return 'Favorite counts hidden'
+        }
         // TODO: intl
         return numFavs === 1
           ? `Favorited ${numFavs} time`

src/routes/_pages/settings/index.html

@@ -8,6 +8,9 @@
     <SettingsListRow>
       <SettingsListButton href="/settings/instances" label="Instances"/>
     </SettingsListRow>
+    <SettingsListRow>
+      <SettingsListButton href="/settings/wellness" label="Wellness"/>
+    </SettingsListRow>
     <SettingsListRow>
       <SettingsListButton href="/settings/hotkeys" label="Hotkeys"/>
     </SettingsListRow>

src/routes/_pages/settings/wellness.html

@@ -0,0 +1,154 @@
+<SettingsLayout page='settings/general' label="General">
+  <h1>Wellness Settings</h1>
+
+  <p>
+    Wellness settings are designed to reduce the addictive or anxiety-inducing aspects of social media.
+    Choose any options that work well for you.
+  </p>
+
+  <form class="ui-settings">
+    <div class="setting-group">
+      <input type="checkbox" id="choice-check-all"
+             on:change="onCheckAllChange(event)">
+      <label for="choice-check-all">Enable all</label>
+    </div>
+  </form>
+
+  <h2>Metrics</h2>
+
+  <form class="ui-settings">
+    <div class="setting-group">
+      <input type="checkbox" id="choice-disable-follower-counts"
+             bind:checked="$disableFollowerCounts" on:change="onChange(event)">
+      <label for="choice-disable-follower-counts">
+        Hide follower counts (capped at 10)
+      </label>
+    </div>
+    <div class="setting-group">
+      <input type="checkbox" id="choice-disable-reblog-counts"
+             bind:checked="$disableReblogCounts" on:change="onChange(event)">
+      <label for="choice-disable-reblog-counts">Hide boost counts</label>
+    </div>
+    <div class="setting-group">
+      <input type="checkbox" id="choice-disable-fav-counts"
+             bind:checked="$disableFavCounts" on:change="onChange(event)">
+      <label for="choice-disable-fav-counts">Hide favorite counts</label>
+    </div>
+  </form>
+
+  <h2>Notifications</h2>
+
+  <form class="ui-settings">
+    <div class="setting-group">
+      <input type="checkbox" id="choice-disable-unread-notification-counts"
+             bind:checked="$disableNotificationBadge" on:change="onChange(event)">
+      <label for="choice-disable-unread-notification-counts">
+        Hide unread notifications count (i.e. the red dot)
+      </label>
+    </div>
+  </form>
+
+  <aside>
+    <SvgIcon href="#fa-info-circle" className="aside-icon" />
+    <span>
+      You can filter or disable notifications in the
+      <a rel="prefetch" href="/settings/instances{$currentInstance ? '/' + $currentInstance : ''}">instance settings</a>.
+    </span>
+  </aside>
+
+  <h2>UI</h2>
+
+  <form class="ui-settings">
+    <div class="setting-group">
+      <input type="checkbox" id="choice-grayscale"
+             bind:checked="$enableGrayscale" on:change="onChange(event)">
+      <label for="choice-grayscale">Grayscale mode</label>
+    </div>
+  </form>
+  <p>
+    These settings are partly based on guidelines from the
+    <ExternalLink href="https://humanetech.com">Center for Humane Technology</ExternalLink>.
+  </p>
+</SettingsLayout>
+<style>
+  .ui-settings {
+    background: var(--form-bg);
+    border: 1px solid var(--main-border);
+    border-radius: 4px;
+    padding: 20px;
+    line-height: 2em;
+  }
+  .setting-group {
+    padding: 5px 0;
+  }
+  aside {
+    font-size: 1.2em;
+    margin: 20px 10px 0px 10px;
+    color: var(--deemphasized-text-color);
+    display: flex;
+    align-items: center;
+  }
+  aside a {
+    text-decoration: underline;
+    color: var(--deemphasized-text-color);
+  }
+  aside span {
+    flex: 1;
+  }
+  :global(.aside-icon) {
+    fill: var(--deemphasized-text-color);
+    width: 18px;
+    height: 18px;
+    margin: 0 10px 0 5px;
+    min-width: 18px;
+  }
+</style>
+<script>
+  import SettingsLayout from '../../_components/settings/SettingsLayout.html'
+  import { store } from '../../_store/store'
+  import ExternalLink from '../../_components/ExternalLink.html'
+  import SvgIcon from '../../_components/SvgIcon.html'
+
+  export default {
+    oncreate () {
+      this.flushChangesToCheckAll()
+    },
+    components: {
+      SettingsLayout,
+      ExternalLink,
+      SvgIcon
+    },
+    methods: {
+      flushChangesToCheckAll () {
+        const {
+          disableFollowerCounts,
+          disableReblogCounts,
+          disableFavCounts,
+          disableNotificationBadge,
+          enableGrayscale
+        } = this.store.get()
+        document.querySelector('#choice-check-all').checked = disableFollowerCounts &&
+          disableReblogCounts &&
+          disableFavCounts &&
+          disableNotificationBadge &&
+          enableGrayscale
+      },
+      onCheckAllChange (e) {
+        let { checked } = e.target
+        this.store.set({
+          disableFollowerCounts: checked,
+          disableReblogCounts: checked,
+          disableFavCounts: checked,
+          disableNotificationBadge: checked,
+          enableGrayscale: checked
+        })
+        this.store.save()
+      },
+      onChange () {
+        this.flushChangesToCheckAll()
+        this.store.save()
+      }
+    },
+    store: () => store
+  }
+</script>

src/routes/_static/themes.js

@@ -41,6 +41,12 @@ const themes = [
     dark: false,
     color: '#4ab92f'
   },
+  {
+    name: 'grayscale',
+    label: 'Grayscale',
+    dark: false,
+    color: '#999999'
+  },
   {
     name: 'ozark',
     label: 'Ozark',
@@ -88,6 +94,12 @@ const themes = [
     label: 'Pitch Black',
     dark: true,
     color: '#000'
+  },
+  {
+    name: 'dark-grayscale',
+    label: 'Dark Grayscale',
+    dark: true,
+    color: '#666'
   }
 ]
 

src/routes/_store/LocalStorageStore.js

@@ -1,10 +1,7 @@
 import { Store } from 'svelte/store'
 import { safeLocalStorage as LS } from '../_utils/safeLocalStorage'
 import lifecycle from 'page-lifecycle/dist/lifecycle.mjs'
-
-function safeParse (str) {
-  return !str ? undefined : (str === 'undefined' ? undefined : JSON.parse(str))
-}
+import { safeParse } from './safeParse'
 
 export class LocalStorageStore extends Store {
   constructor (state, keysToWatch) {

src/routes/_store/computations/timelineComputations.js

@@ -174,7 +174,9 @@ export function timelineComputations (store) {
   )
 
   store.compute('hasNotifications',
-    ['numberOfNotifications', 'currentPage'],
-    (numberOfNotifications, currentPage) => currentPage !== 'notifications' && !!numberOfNotifications
+    ['numberOfNotifications', 'currentPage', 'disableNotificationBadge'],
+    (numberOfNotifications, currentPage, $disableNotificationBadge) => (
+      !$disableNotificationBadge && currentPage !== 'notifications' && !!numberOfNotifications
+    )
   )
 }

src/routes/_store/observers/grayscaleObservers.js

@@ -0,0 +1,14 @@
+import { switchToTheme } from '../../_utils/themeEngine'
+
+export function grayscaleObservers (store) {
+  if (!process.browser) {
+    return
+  }
+
+  store.observe('enableGrayscale', enableGrayscale => {
+    const { instanceThemes, currentInstance } = store.get()
+    const theme = instanceThemes && instanceThemes[currentInstance]
+    document.body.classList.toggle('grayscale', enableGrayscale)
+    switchToTheme(theme, enableGrayscale)
+  })
+}

src/routes/_store/observers/observers.js

@@ -6,6 +6,7 @@ import { resizeObservers } from './resizeObservers'
 import { setupLoggedInObservers } from './setupLoggedInObservers'
 import { logOutObservers } from './logOutObservers'
 import { touchObservers } from './touchObservers'
+import { grayscaleObservers } from './grayscaleObservers'
 
 export function observers (store) {
   onlineObservers(store)
@@ -15,5 +16,6 @@ export function observers (store) {
   resizeObservers(store)
   touchObservers(store)
   logOutObservers(store)
+  grayscaleObservers(store)
   setupLoggedInObservers(store)
 }

src/routes/_store/observers/onlineObservers.js

@@ -6,8 +6,6 @@ const NOTIFY_OFFLINE_LIMIT = 1
 
 let notifyCount = 0
 
-let offlineStyle = process.browser && document.getElementById('theOfflineStyle')
-
 // debounce to avoid notifying for a short connection issue
 const notifyOffline = debounce(() => {
   if (process.browser && !navigator.onLine && ++notifyCount <= NOTIFY_OFFLINE_LIMIT) {
@@ -19,20 +17,9 @@ export function onlineObservers (store) {
   if (!process.browser) {
     return
   }
-  let meta = document.getElementById('theThemeColor')
-  let oldTheme = meta.content
 
   store.observe('online', online => {
-    // "only x" ensures the <style> tag does not have any effect
-    offlineStyle.setAttribute('media', online ? 'only x' : 'all')
-    if (online) {
-      meta.content = oldTheme
-    } else {
-      let offlineThemeColor = window.__themeColors.offline
-      if (meta.content !== offlineThemeColor) {
-        oldTheme = meta.content
-      }
-      meta.content = offlineThemeColor
+    if (!online) {
       notifyOffline()
     }
   })

src/routes/_store/safeParse.js

@@ -0,0 +1,3 @@
+export function safeParse (str) {
+  return !str ? undefined : (str === 'undefined' ? undefined : JSON.parse(str))
+}

src/routes/_store/store.js

@@ -12,10 +12,15 @@ const persistedState = {
   currentRegisteredInstance: undefined,
   // we disable scrollbars by default on iOS
   disableCustomScrollbars: process.browser && /iP(?:hone|ad|od)/.test(navigator.userAgent),
+  disableFavCounts: false,
+  disableFollowerCounts: false,
   disableHotkeys: false,
   disableInfiniteScroll: false,
   disableLongAriaLabels: false,
+  disableNotificationBadge: false,
+  disableReblogCounts: false,
   disableTapOnStatus: false,
+  enableGrayscale: false,
   hideCards: false,
   largeInlineMedia: false,
   instanceNameInSearch: '',

src/routes/_store/storeLite.js

@@ -0,0 +1,26 @@
+// "lite" version of the store used in the inline script. Purely read-only,
+// does not implement non-LocalStorage store features.
+
+import { safeParse } from './safeParse'
+import { testHasLocalStorageOnce } from '../_utils/testStorage'
+
+const hasLocalStorage = testHasLocalStorageOnce()
+
+export const storeLite = {
+  get () {
+    if (!hasLocalStorage) {
+      return {}
+    }
+    const res = {}
+    const LS = localStorage
+    for (let i = 0, len = LS.length; i < len; i++) {
+      let key = LS.key(i)
+      if (key.startsWith('store_')) {
+        let item = LS.getItem(key)
+        let value = safeParse(item)
+        res[key] = value
+      }
+    }
+    return res
+  }
+}

src/routes/_utils/themeEngine.js

@@ -1,6 +1,5 @@
-let meta = process.browser && document.getElementById('theThemeColor')
-let offlineStyle = process.browser && document.getElementById('theOfflineStyle')
-let prefersDarkTheme = process.browser && window.matchMedia('(prefers-color-scheme: dark)').matches
+const prefersDarkTheme = process.browser && window.matchMedia('(prefers-color-scheme: dark)').matches
+const meta = process.browser && document.getElementById('theThemeColor')
 
 export const INLINE_THEME = 'default' // theme that does not require external CSS
 export const DEFAULT_LIGHT_THEME = 'default' // theme that is shown by default
@@ -32,11 +31,13 @@ function loadCSS (href) {
     }
   })
 
-  // inserting before the offline <style> ensures that the offline style wins when offline
-  document.head.insertBefore(link, offlineStyle)
+  document.head.appendChild(link)
 }
 
-export function switchToTheme (themeName = DEFAULT_THEME) {
+export function switchToTheme (themeName = DEFAULT_THEME, enableGrayscale) {
+  if (enableGrayscale) {
+    themeName = prefersDarkTheme ? 'grayscale-dark' : 'grayscale'
+  }
   let themeColor = window.__themeColors[themeName]
   meta.content = themeColor || window.__themeColors[DEFAULT_THEME]
   if (themeName !== INLINE_THEME) {

src/routes/settings/wellness.html

@@ -0,0 +1,20 @@
+<Title name="Wellness Settings" settingsPage={true} />
+
+  <LazyPage {pageComponent} {params} />
+
+<script>
+  import Title from '../_components/Title.html'
+  import LazyPage from '../_components/LazyPage.html'
+  import pageComponent from '../_pages/settings/wellness.html'
+
+  export default {
+    components: {
+
+      Title,
+      LazyPage
+    },
+    data: () => ({
+      pageComponent
+    })
+  }
+</script>

src/scss/global.scss

@@ -31,6 +31,11 @@ body {
   background: var(--body-bg);
   -webkit-tap-highlight-color: transparent; // fix for blue background on spoiler tap on Chrome for Android
   overflow-x: hidden; // Prevent horizontal scrolling on mobile Firefox on small screens
+
+  &.grayscale {
+    filter: grayscale(100%);
+  }
+
 }
 
 .main-content {

src/scss/themes/dark-grayscale.scss

@@ -0,0 +1,16 @@
+$main-theme-color: #444;
+$main-bg-color: #202020;
+$body-bg-color: darken($main-bg-color, 5%);
+$anchor-color: #999;
+$main-text-color: #FFF;
+$border-color: lighten($body-bg-color, 10%);
+$secondary-text-color: white;
+$toast-border: #fafafa;
+$toast-bg: #333;
+$focus-outline: lighten($main-theme-color, 50%);
+$compose-background: lighten($main-theme-color, 52%);
+
+@import "_base.scss";
+@import "_dark.scss";
+@import "_dark_navbar.scss";
+@import "_dark_scrollbars.scss";

src/scss/themes/grayscale.scss

@@ -1,6 +1,6 @@
-$main-theme-color: #999999;
+$main-theme-color: #666;
 $body-bg-color: lighten($main-theme-color, 38%);
-$anchor-color: $main-theme-color;
+$anchor-color: lighten($main-theme-color, 5%);
 $main-text-color: #333;
 $border-color: #dadada;
 $main-bg-color: white;
@@ -11,4 +11,4 @@ $focus-outline: lighten($main-theme-color, 15%);
 $compose-background: lighten($main-theme-color, 17%);
 
 @import "_base.scss";
-@import "_light_scrollbars.scss";
+@import "_light_scrollbars.scss";