Switch to IPC channel for getDesktopCapturerSources (#7782)

src/components/views/elements/DesktopCapturerSourcePicker.tsx

@@ -23,6 +23,7 @@ import DialogButtons from "./DialogButtons";
 import AccessibleButton from './AccessibleButton';
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import TabbedView, { Tab, TabLocation } from '../../structures/TabbedView';
+import PlatformPeg from "../../../PlatformPeg";
 
 export function getDesktopCapturerSources(): Promise<Array<DesktopCapturerSource>> {
     const options: GetSourcesOptions = {
@@ -35,7 +36,7 @@ export function getDesktopCapturerSources(): Promise<Array<DesktopCapturerSource
             "window",
         ],
     };
-    return window.electron.getDesktopCapturerSources(options);
+    return PlatformPeg.get().getDesktopCapturerSources(options);
 }
 
 export enum Tabs {

src/components/views/voip/CallView.tsx

@@ -37,6 +37,7 @@ import Modal from '../../../Modal';
 import CallViewSidebar from './CallViewSidebar';
 import CallViewHeader from './CallView/CallViewHeader';
 import CallViewButtons from "./CallView/CallViewButtons";
+import PlatformPeg from "../../../PlatformPeg";
 
 interface IProps {
     // The call for us to display
@@ -270,7 +271,7 @@ export default class CallView extends React.Component<IProps, IState> {
         if (this.state.screensharing) {
             isScreensharing = await this.props.call.setScreensharingEnabled(false);
         } else {
-            if (window.electron?.getDesktopCapturerSources) {
+            if (PlatformPeg.get().supportsDesktopCapturer()) {
                 const { finished } = Modal.createDialog(DesktopCapturerSourcePicker);
                 const [source] = await finished;
                 if (!source) return;