1 files changed, 50 insertions, 0 deletions
diff --git a/indra/newview/lluilistener.cpp b/indra/newview/lluilistener.cpp
new file mode 100644
index 0000000000..9c643e78de
--- /dev/null
+++ b/indra/newview/lluilistener.cpp
@@ -0,0 +1,50 @@
+/**
+ * @file   lluilistener.cpp
+ * @author Nat Goodspeed
+ * @date   2009-08-18
+ * @brief  Implementation for lluilistener.
+ * 
+ * $LicenseInfo:firstyear=2009&license=viewergpl$
+ * Copyright (c) 2009, Linden Research, Inc.
+ * $/LicenseInfo$
+ */
+
+// Precompiled header
+#include "llviewerprecompiledheaders.h"
+// associated header
+#include "lluilistener.h"
+// STL headers
+// std headers
+// external library headers
+// other Linden headers
+#include "lluictrl.h"
+#include "llerror.h"
+
+LLUIListener::LLUIListener(const std::string& name):
+    LLDispatchListener(name, "op")
+{
+    add("call", &LLUIListener::call, LLSD().insert("function", LLSD()));
+}
+
+void LLUIListener::call(const LLSD& event) const
+{
+    LLUICtrl::commit_callback_t* func =
+        LLUICtrl::CommitCallbackRegistry::getValue(event["function"]);
+    if (! func)
+    {
+        // This API is intended for use by a script. It's a fire-and-forget
+        // API: we provide no reply. Therefore, a typo in the script will
+        // provide no feedback whatsoever to that script. To rub the coder's
+        // nose in such an error, crump rather than quietly ignoring it.
+        LL_ERRS("LLUIListener") << "function '" << event["function"] << "' not found" << LL_ENDL;
+    }
+    else
+    {
+        // Interestingly, view_listener_t::addMenu() (addCommit(),
+        // addEnable()) constructs a commit_callback_t callable that accepts
+        // two parameters but discards the first. Only the second is passed to
+        // handleEvent(). Therefore we feel completely safe passing NULL for
+        // the first parameter.
+        (*func)(NULL, event["parameter"]);
+    }
+}