From 2f72796ae72af4ebdae99d497150faf5bb4efecd Mon Sep 17 00:00:00 2001
From: Stephan Raab <sra@MacBook-Pro-von-Stephan.local>
Date: Mon, 8 Apr 2024 22:17:24 +0200
Subject: [PATCH 1/3] Fix share cancel button in element-desktop

---
 src/vector/platform/ElectronPlatform.tsx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/vector/platform/ElectronPlatform.tsx b/src/vector/platform/ElectronPlatform.tsx
index fdb46bb0eb..b7a1be1bbe 100644
--- a/src/vector/platform/ElectronPlatform.tsx
+++ b/src/vector/platform/ElectronPlatform.tsx
@@ -170,7 +170,12 @@ export default class ElectronPlatform extends VectorBasePlatform {
         window.electron.on("openDesktopCapturerSourcePicker", () => {
             const { finished } = Modal.createDialog(DesktopCapturerSourcePicker);
             finished.then(([source]) => {
-                if (!source) return;
+                if (!source) 
+                    source = {
+                    id: "",
+                    name: "",
+                    thumbnailURL: ""
+                };
                 this.ipc.call("callDisplayMediaCallback", source);
             });
         });

From 1cf08423adb0ef5fe583f8e6a32da6f5d5622af8 Mon Sep 17 00:00:00 2001
From: Stephan Raab <raab.stephan@googlemail.com>
Date: Tue, 9 Apr 2024 20:05:03 +0200
Subject: [PATCH 2/3] ElectronPlatform.tsx aktualisieren

Co-authored-by: Robin <robin@robin.town>
---
 src/vector/platform/ElectronPlatform.tsx | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/src/vector/platform/ElectronPlatform.tsx b/src/vector/platform/ElectronPlatform.tsx
index b7a1be1bbe..4e7ee27447 100644
--- a/src/vector/platform/ElectronPlatform.tsx
+++ b/src/vector/platform/ElectronPlatform.tsx
@@ -170,13 +170,7 @@ export default class ElectronPlatform extends VectorBasePlatform {
         window.electron.on("openDesktopCapturerSourcePicker", () => {
             const { finished } = Modal.createDialog(DesktopCapturerSourcePicker);
             finished.then(([source]) => {
-                if (!source) 
-                    source = {
-                    id: "",
-                    name: "",
-                    thumbnailURL: ""
-                };
-                this.ipc.call("callDisplayMediaCallback", source);
+                this.ipc.call("callDisplayMediaCallback", source ?? { id: "", name: "", thumbnailURL: "" });
             });
         });
 

From 2cad731f234ec9c4628215c55e78199158d16860 Mon Sep 17 00:00:00 2001
From: Stephan Raab <raab.stephan@googlemail.com>
Date: Tue, 9 Apr 2024 20:32:11 +0200
Subject: [PATCH 3/3] Added comment

---
 src/vector/platform/ElectronPlatform.tsx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/vector/platform/ElectronPlatform.tsx b/src/vector/platform/ElectronPlatform.tsx
index 4e7ee27447..9063fc945d 100644
--- a/src/vector/platform/ElectronPlatform.tsx
+++ b/src/vector/platform/ElectronPlatform.tsx
@@ -170,6 +170,7 @@ export default class ElectronPlatform extends VectorBasePlatform {
         window.electron.on("openDesktopCapturerSourcePicker", () => {
             const { finished } = Modal.createDialog(DesktopCapturerSourcePicker);
             finished.then(([source]) => {
+                // getDisplayMedia promise does not return if no dummy is passed here as source
                 this.ipc.call("callDisplayMediaCallback", source ?? { id: "", name: "", thumbnailURL: "" });
             });
         });