Implement font selection

src/settings/controllers/FontSizeController.ts

@@ -16,6 +16,8 @@ limitations under the License.
 
 import SettingController from "./SettingController";
 import dis from "../../dispatcher/dispatcher";
+import { UpdateFontSizePayload } from "../../dispatcher/payloads/UpdateFontSizePayload";
+import { Action } from "../../dispatcher/actions";
 
 export default class FontSizeController extends SettingController {
     constructor() {
@@ -24,8 +26,8 @@ export default class FontSizeController extends SettingController {
 
     onChange(level, roomId, newValue) {
         // Dispatch font size change so that everything open responds to the change.
-        dis.dispatch({
-            action: "update-font-size",
+        dis.dispatch<UpdateFontSizePayload>({
+            action: Action.UpdateFontSize,
             size: newValue,
         });
     }

src/settings/controllers/SystemFontController.ts

@@ -0,0 +1,36 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import SettingController from "./SettingController";
+import SettingsStore from "../SettingsStore";
+import dis from "../../dispatcher/dispatcher";
+import { UpdateSystemFontPayload } from "../../dispatcher/payloads/UpdateSystemFontPayload";
+import { Action } from "../../dispatcher/actions";
+
+export default class SystemFontController extends SettingController {
+    constructor() {
+        super();
+    }
+
+    onChange(level, roomId, newValue) {
+        // Dispatch font size change so that everything open responds to the change.
+        dis.dispatch<UpdateSystemFontPayload>({
+            action: Action.UpdateSystemFont,
+            useSystemFont: SettingsStore.getValue("useSystemFont"),
+            font: newValue,
+        });
+    }
+}

src/settings/controllers/UseSystemFontController.ts

@@ -0,0 +1,36 @@
+/*
+Copyright 2020 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import SettingController from "./SettingController";
+import SettingsStore from "../SettingsStore";
+import dis from "../../dispatcher/dispatcher";
+import { UpdateSystemFontPayload } from "../../dispatcher/payloads/UpdateSystemFontPayload";
+import { Action } from "../../dispatcher/actions";
+
+export default class UseSystemFontController extends SettingController {
+    constructor() {
+        super();
+    }
+
+    onChange(level, roomId, newValue) {
+        // Dispatch font size change so that everything open responds to the change.
+        dis.dispatch<UpdateSystemFontPayload>({
+            action: Action.UpdateSystemFont,
+            useSystemFont: newValue,
+            font: SettingsStore.getValue("systemFont"),
+        });
+    }
+}