3 files changed, 36 insertions, 6 deletions
diff --git a/src/modules/config.js b/src/modules/config.js
index e0401339..6ae2e754 100644
--- a/src/modules/config.js
+++ b/src/modules/config.js
@@ -50,6 +50,7 @@ export const defaultState = {
   pauseOnUnfocused: true,
   stopGifs: true,
   replyVisibility: 'all',
+  thirdColumnMode: 'notifications',
   notificationVisibility: {
     follows: true,
     mentions: true,
@@ -78,6 +79,8 @@ export const defaultState = {
   playVideosInModal: false,
   useOneClickNsfw: false,
   useContainFit: true,
+  disableStickyHeaders: false,
+  showScrollbars: false,
   greentext: undefined, // instance default
   useAtIcon: undefined, // instance default
   mentionLinkDisplay: undefined, // instance default
@@ -169,6 +172,9 @@ const config = {
           messages.setLanguage(this.getters.i18n, value)
           Cookies.set(BACKEND_LANGUAGE_COOKIE_NAME, localeService.internalToBackendLocale(value))
           break
+        case 'thirdColumnMode':
+          dispatch('setLayoutWidth', undefined)
+          break
       }
     }
   }
diff --git a/src/modules/interface.js b/src/modules/interface.js
index 17277331..a86193ea 100644
--- a/src/modules/interface.js
+++ b/src/modules/interface.js
@@ -13,7 +13,7 @@ const defaultState = {
       window.CSS.supports('-webkit-filter', 'drop-shadow(0 0)')
     )
   },
-  mobileLayout: false,
+  layoutType: 'normal',
   globalNotices: [],
   layoutHeight: 0,
   lastTimeline: null
@@ -36,8 +36,8 @@ const interfaceMod = {
     setNotificationPermission (state, permission) {
       state.notificationPermission = permission
     },
-    setMobileLayout (state, value) {
-      state.mobileLayout = value
+    setLayoutType (state, value) {
+      state.layoutType = value
     },
     closeSettingsModal (state) {
       state.settingsModalState = 'hidden'
@@ -72,6 +72,9 @@ const interfaceMod = {
     setLayoutHeight (state, value) {
       state.layoutHeight = value
     },
+    setLayoutWidth (state, value) {
+      state.layoutWidth = value
+    },
     setLastTimeline (state, value) {
       state.lastTimeline = value
     }
@@ -86,9 +89,6 @@ const interfaceMod = {
     setNotificationPermission ({ commit }, permission) {
       commit('setNotificationPermission', permission)
     },
-    setMobileLayout ({ commit }, value) {
-      commit('setMobileLayout', value)
-    },
     closeSettingsModal ({ commit }) {
       commit('closeSettingsModal')
     },
@@ -133,6 +133,24 @@ const interfaceMod = {
     setLayoutHeight ({ commit }, value) {
       commit('setLayoutHeight', value)
     },
+    // value is optional, assuming it was cached prior
+    setLayoutWidth ({ commit, state, rootGetters, rootState }, value) {
+      let width = value
+      if (value !== undefined) {
+        commit('setLayoutWidth', value)
+      } else {
+        width = state.layoutWidth
+      }
+      const mobileLayout = width <= 800
+      const normalOrMobile = mobileLayout ? 'mobile' : 'normal'
+      const { thirdColumnMode } = rootGetters.mergedConfig
+      if (thirdColumnMode === 'none' || !rootState.users.currentUser) {
+        commit('setLayoutType', normalOrMobile)
+      } else {
+        const wideLayout = width >= 1300
+        commit('setLayoutType', wideLayout ? 'wide' : normalOrMobile)
+      }
+    },
     setLastTimeline ({ commit }, value) {
       commit('setLastTimeline', value)
     }
diff --git a/src/modules/users.js b/src/modules/users.js
index e5889fdb..f951483f 100644
--- a/src/modules/users.js
+++ b/src/modules/users.js
@@ -1,4 +1,5 @@
 import backendInteractorService from '../services/backend_interactor_service/backend_interactor_service.js'
+import { windowWidth, windowHeight } from '../services/window_utils/window_utils'
 import oauthApi from '../services/new_api/oauth.js'
 import { compact, map, each, mergeWith, last, concat, uniq, isArray } from 'lodash'
 import { registerPushNotifications, unregisterPushNotifications } from '../services/push/push.js'
@@ -506,6 +507,8 @@ const users = {
           store.commit('resetStatuses')
           store.dispatch('resetChats')
           store.dispatch('setLastTimeline', 'public-timeline')
+          store.dispatch('setLayoutWidth', windowWidth())
+          store.dispatch('setLayoutHeight', windowHeight())
         })
     },
     loginUser (store, accessToken) {
@@ -566,6 +569,9 @@ const users = {
               // Get user mutes
               store.dispatch('fetchMutes')
 
+              store.dispatch('setLayoutWidth', windowWidth())
+              store.dispatch('setLayoutHeight', windowHeight())
+
               // Fetch our friends
               store.rootState.api.backendInteractor.fetchFriends({ id: user.id })
                 .then((friends) => commit('addNewUsers', friends))