From 7fc1d9a1aec58acfc4359ffa45c8b1ce342fb2d8 Mon Sep 17 00:00:00 2001
From: Maxim Nikolenko <maximnproductengine@lindenlab.com>
Date: Thu, 9 Apr 2026 00:08:07 +0300
Subject: #5607 workaround fix for the web content being black after resizing

---
 indra/llplugin/llpluginclassmedia.cpp | 12 ++++++++++++
 indra/llplugin/llpluginclassmedia.h   |  2 ++
 2 files changed, 14 insertions(+)

(limited to 'indra/llplugin')

diff --git a/indra/llplugin/llpluginclassmedia.cpp b/indra/llplugin/llpluginclassmedia.cpp
index 77a4b08af5..a1e1f75367 100644
--- a/indra/llplugin/llpluginclassmedia.cpp
+++ b/indra/llplugin/llpluginclassmedia.cpp
@@ -1641,3 +1641,15 @@ void LLPluginClassMedia::initializeUrlHistory(const LLSD& url_history)
 
     LL_DEBUGS("Plugin") << "Sending history" << LL_ENDL;
 }
+
+void LLPluginClassMedia::forceRenderRefresh()
+{
+    // Force layout recalculation by briefly hiding/showing the web content
+    // Used to clear black screen issues after resize, see #5607
+    const std::string refresh_script =
+        "document.documentElement.style.visibility='hidden';"
+        "document.documentElement.offsetHeight;"
+        "document.documentElement.style.visibility='';";
+
+    executeJavaScript(refresh_script);
+}
diff --git a/indra/llplugin/llpluginclassmedia.h b/indra/llplugin/llpluginclassmedia.h
index 71522bcd7d..40f6295e55 100644
--- a/indra/llplugin/llpluginclassmedia.h
+++ b/indra/llplugin/llpluginclassmedia.h
@@ -350,6 +350,8 @@ public:
 
     std::shared_ptr<LLPluginClassMedia> getSharedPtr() { return std::dynamic_pointer_cast<LLPluginClassMedia>(shared_from_this()); } // due to enable_shared_from_this
 
+    void forceRenderRefresh();
+
 protected:
 
     LLPluginClassMediaOwner *mOwner;
-- 
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