From 69e2b3cb14fbded62009fb730dfca167d450e0e1 Mon Sep 17 00:00:00 2001
From: littleGnAl <tearjeaker@hotmail.com>
Date: Tue, 4 Apr 2023 15:39:12 +0800
Subject: [PATCH] fix: should not mirror the screen sharing

---
 lib/src/impl/agora_video_view_impl.dart | 33 +++++++++++++++++++------
 1 file changed, 25 insertions(+), 8 deletions(-)

diff --git a/lib/src/impl/agora_video_view_impl.dart b/lib/src/impl/agora_video_view_impl.dart
index 3b4ca99c7..4a2733221 100644
--- a/lib/src/impl/agora_video_view_impl.dart
+++ b/lib/src/impl/agora_video_view_impl.dart
@@ -322,15 +322,29 @@ class _AgoraRtcRenderTextureState extends State<AgoraRtcRenderTexture>
     }
   }
 
-  Widget _applyMirrorMode(VideoMirrorModeType mirrorMode, Widget child) {
-    if (mirrorMode == VideoMirrorModeType.videoMirrorModeDisabled) {
-      return child;
+  bool _isScreenSource(VideoSourceType sourceType) {
+    final sourceTypeInt = sourceType.value();
+    // int value of `VideoSourceType.videoSourceScreen` and `VideoSourceType.videoSourceScreenPrimary` is the same
+    return sourceTypeInt == VideoSourceType.videoSourceScreenPrimary.value() ||
+        sourceTypeInt == VideoSourceType.videoSourceScreenSecondary.value();
+  }
+
+  Widget _applyMirrorMode(VideoMirrorModeType mirrorMode, Widget child,
+      VideoSourceType sourceType) {
+    bool enableMirror = true;
+    if (mirrorMode == VideoMirrorModeType.videoMirrorModeDisabled ||
+        _isScreenSource(sourceType)) {
+      enableMirror = false;
     }
 
-    return Transform.scale(
-      scaleX: -1.0,
-      child: child,
-    );
+    if (enableMirror) {
+      return Transform.scale(
+        scaleX: -1.0,
+        child: child,
+      );
+    }
+
+    return child;
   }
 
   @override
@@ -353,7 +367,10 @@ class _AgoraRtcRenderTextureState extends State<AgoraRtcRenderTexture>
                 VideoMirrorModeType.videoMirrorModeDisabled;
           }
 
-          result = _applyMirrorMode(mirrorMode, result);
+          final sourceType = widget.controller.canvas.sourceType ??
+              VideoSourceType.videoSourceCameraPrimary;
+
+          result = _applyMirrorMode(mirrorMode, result, sourceType);
         } else {
           // Fit mode by default if does not need to handle render mode
           result = _applyRenderMode(RenderModeType.renderModeFit, result);