Switch to the new session API for screen-sharing

See electron/electron#30702 - this has the benefit of the js-sdk and LiveKit not having to add custom logic for Electron

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

src/@types/global.d.ts

@@ -32,7 +32,8 @@ type ElectronChannel =
     | "setBadgeCount"
     | "update-downloaded"
     | "userDownloadCompleted"
-    | "userDownloadAction";
+    | "userDownloadAction"
+    | "openDesktopCapturerSourcePicker";
 
 declare global {
     interface Window {

src/vector/platform/ElectronPlatform.tsx

@@ -43,6 +43,7 @@ import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { BreadcrumbsStore } from "matrix-react-sdk/src/stores/BreadcrumbsStore";
 import { UPDATE_EVENT } from "matrix-react-sdk/src/stores/AsyncStore";
 import { avatarUrlForRoom, getInitialLetter } from "matrix-react-sdk/src/Avatar";
+import DesktopCapturerSourcePicker from "matrix-react-sdk/src/components/views/elements/DesktopCapturerSourcePicker";
 
 import VectorBasePlatform from "./VectorBasePlatform";
 import { SeshatIndexManager } from "./SeshatIndexManager";
@@ -163,6 +164,14 @@ export default class ElectronPlatform extends VectorBasePlatform {
             });
         });
 
+        window.electron.on("openDesktopCapturerSourcePicker", async () => {
+            const { finished } = Modal.createDialog(DesktopCapturerSourcePicker);
+            const [source] = await finished;
+            if (!source) return;
+
+            this.ipc.call("callDisplayMediaCallback", source)
+        })
+
         this.ipc.call("startSSOFlow", this.ssoID);
 
         BreadcrumbsStore.instance.on(UPDATE_EVENT, this.onBreadcrumbsUpdate);
@@ -417,13 +426,13 @@ export default class ElectronPlatform extends VectorBasePlatform {
     public async destroyPickleKey(userId: string, deviceId: string): Promise<void> {
         try {
             await this.ipc.call("destroyPickleKey", userId, deviceId);
-        } catch (e) {}
+        } catch (e) { }
     }
 
     public async clearStorage(): Promise<void> {
         try {
             await super.clearStorage();
             await this.ipc.call("clearStorage");
-        } catch (e) {}
+        } catch (e) { }
     }
 }