Added safety check whether in V8 context when executing V8 function.

cztomczak · cztomczak · commit cb35b21ff44a · 2014-07-30T19:16:28.000+02:00
diff --git a/cefpython/cef3/subprocess/v8function_handler.cpp b/cefpython/cef3/subprocess/v8function_handler.cpp
@@ -11,6 +11,13 @@ bool V8FunctionHandler::Execute(const CefString& functionName,
                         const CefV8ValueList& v8Arguments,
                         CefRefPtr<CefV8Value>& returnValue,
                         CefString& exception) {
+    if (!CefV8Context::InContext()) {
+        // CefV8Context::GetCurrentContext may not be called when
+        // not in a V8 context.
+        DebugLog("Renderer: V8FunctionHandler::Execute() FAILED:"\
+                " not inside a V8 context");
+        return false;
+    }
     CefRefPtr<CefV8Context> context =  CefV8Context::GetCurrentContext();
     CefRefPtr<CefBrowser> browser = context.get()->GetBrowser();
     CefRefPtr<CefFrame> frame = context.get()->GetFrame();
