From fdb7207aa0d1f25ed3e14fbc4e8615e8383e508c Mon Sep 17 00:00:00 2001
From: Nat Goodspeed <nat@lindenlab.com>
Date: Thu, 1 Aug 2024 16:52:44 -0400
Subject: Add UI.callables() and corresponding entry point.

---
 indra/newview/lluilistener.cpp               | 43 ++++++++++++++++++++++++++++
 indra/newview/lluilistener.h                 |  1 +
 indra/newview/scripts/lua/require/UI.lua     |  6 ++++
 indra/newview/scripts/lua/test_callables.lua |  6 ++++
 4 files changed, 56 insertions(+)
 create mode 100644 indra/newview/scripts/lua/test_callables.lua

(limited to 'indra/newview')

diff --git a/indra/newview/lluilistener.cpp b/indra/newview/lluilistener.cpp
index c73c93859a..2b2187a73b 100644
--- a/indra/newview/lluilistener.cpp
+++ b/indra/newview/lluilistener.cpp
@@ -55,6 +55,13 @@ LLUIListener::LLUIListener():
         &LLUIListener::call,
         llsd::map("function", LLSD(), "reply", LLSD()));
 
+    add("callables",
+        "Return a list [\"callables\"] of dicts {name, access} of functions registered to\n"
+        "invoke with \"call\".\n"
+        "access has values \"allow\", \"block\" or \"throttle\".",
+        &LLUIListener::callables,
+        llsd::map("reply", LLSD::String()));
+
     add("getValue",
         "For the UI control identified by the path in [\"path\"], return the control's\n"
         "current value as [\"value\"] reply.",
@@ -131,6 +138,42 @@ void LLUIListener::call(const LLSD& event)
     (info->callback_func)(NULL, event["parameter"]);
 }
 
+void LLUIListener::callables(const LLSD& event) const
+{
+    Response response(LLSD(), event);
+
+    using Registry = LLUICtrl::CommitCallbackRegistry;
+    using Method = Registry::Registrar& (*)();
+    static Method registrars[] =
+    {
+        &Registry::defaultRegistrar,
+        &Registry::currentRegistrar,
+    };
+    LLSD list;
+    for (auto method : registrars)
+    {
+        auto& registrar{ (*method)() };
+        for (auto it = registrar.beginItems(), end = registrar.endItems(); it != end; ++it)
+        {
+            LLSD entry{ llsd::map("name", it->first) };
+            switch (it->second.handle_untrusted)
+            {
+            case LLUICtrl::CommitCallbackInfo::UNTRUSTED_ALLOW:
+                entry["access"] = "allow";
+                break;
+            case LLUICtrl::CommitCallbackInfo::UNTRUSTED_BLOCK:
+                entry["access"] = "block";
+                break;
+            case LLUICtrl::CommitCallbackInfo::UNTRUSTED_THROTTLE:
+                entry["access"] = "throttle";
+                break;
+            }
+            list.append(entry);
+        }
+    }
+    response["callables"] = list;
+}
+
 void LLUIListener::getValue(const LLSD&event) const
 {
     Response response(LLSD(), event);
diff --git a/indra/newview/lluilistener.h b/indra/newview/lluilistener.h
index cbb5014300..c90253ab59 100644
--- a/indra/newview/lluilistener.h
+++ b/indra/newview/lluilistener.h
@@ -41,6 +41,7 @@ public:
 
 private:
     void call(const LLSD& event);
+    void callables(const LLSD& event) const;
     void getValue(const LLSD&event) const;
 
     void addMenu(const LLSD&event) const;
diff --git a/indra/newview/scripts/lua/require/UI.lua b/indra/newview/scripts/lua/require/UI.lua
index 28488ff3e1..06b49c6269 100644
--- a/indra/newview/scripts/lua/require/UI.lua
+++ b/indra/newview/scripts/lua/require/UI.lua
@@ -14,6 +14,10 @@ function UI.call(func, parameter)
     leap.request('UI', {op='call', ['function']=func, parameter=parameter})
 end
 
+function UI.callables()
+    return leap.request('UI', {op='callables'}).callables
+end
+
 function UI.getValue(path)
     return leap.request('UI', {op='getValue', path=path})['value']
 end
@@ -152,6 +156,7 @@ function UI.addMenuBranch(...)
     return leap.request('UI', args)
 end
 
+-- see UI.callables() for valid values of 'func'
 function UI.addMenuItem(...)
     local args = mapargs('name,label,parent_menu,func,param', ...)
     args.op = 'addMenuItem'
@@ -163,4 +168,5 @@ function UI.addMenuSeparator(...)
     args.op = 'addMenuSeparator'
     return leap.request('UI', args)
 end
+
 return UI
diff --git a/indra/newview/scripts/lua/test_callables.lua b/indra/newview/scripts/lua/test_callables.lua
new file mode 100644
index 0000000000..1bee062db8
--- /dev/null
+++ b/indra/newview/scripts/lua/test_callables.lua
@@ -0,0 +1,6 @@
+startup=require 'startup'
+UI=require 'UI'
+startup.wait('STATE_LOGIN_WAIT')
+for _, cbl in pairs(UI.callables()) do
+    print(`{cbl.name} ({cbl.access})`)
+end
-- 
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