From 83c63a09e92d7c8d8bf895301062f8e66875fa00 Mon Sep 17 00:00:00 2001
From: Christian Hergert <chergert@redhat.com>
Date: Wed, 19 Jul 2023 15:15:56 -0700
Subject: [PATCH] libsysprof-analyze: add n-items property to callgraph frame

Also add a ==0 helper in is_leaf().
---
 .../sysprof-callgraph-frame.c                  | 18 ++++++++++++++++++
 .../sysprof-callgraph-frame.h                  |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/src/libsysprof-analyze/sysprof-callgraph-frame.c b/src/libsysprof-analyze/sysprof-callgraph-frame.c
index ed37dde3..b2c61293 100644
--- a/src/libsysprof-analyze/sysprof-callgraph-frame.c
+++ b/src/libsysprof-analyze/sysprof-callgraph-frame.c
@@ -44,6 +44,7 @@ enum {
   PROP_0,
   PROP_CALLGRAPH,
   PROP_SYMBOL,
+  PROP_N_ITEMS,
   N_PROPS
 };
 
@@ -122,6 +123,10 @@ sysprof_callgraph_frame_get_property (GObject    *object,
       g_value_set_object (value, self->callgraph);
       break;
 
+    case PROP_N_ITEMS:
+      g_value_set_uint (value, g_list_model_get_n_items (G_LIST_MODEL (self)));
+      break;
+
     case PROP_SYMBOL:
       g_value_set_object (value, sysprof_callgraph_frame_get_symbol (self));
       break;
@@ -144,6 +149,11 @@ sysprof_callgraph_frame_class_init (SysprofCallgraphFrameClass *klass)
                          SYSPROF_TYPE_CALLGRAPH,
                          (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 
+  properties [PROP_N_ITEMS] =
+    g_param_spec_uint ("n-items", NULL, NULL,
+                       0, G_MAXUINT, 0,
+                       (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
   properties [PROP_SYMBOL] =
     g_param_spec_object ("symbol", NULL, NULL,
                          SYSPROF_TYPE_SYMBOL,
@@ -457,3 +467,11 @@ sysprof_callgraph_frame_list_traceables_finish (SysprofCallgraphFrame  *self,
 
   return ret;
 }
+
+gboolean
+sysprof_callgraph_frame_is_leaf (SysprofCallgraphFrame *self)
+{
+  g_return_val_if_fail (SYSPROF_IS_CALLGRAPH_FRAME (self), 0);
+
+  return self->n_children == 0;
+}
diff --git a/src/libsysprof-analyze/sysprof-callgraph-frame.h b/src/libsysprof-analyze/sysprof-callgraph-frame.h
index eac1c08b..083dd681 100644
--- a/src/libsysprof-analyze/sysprof-callgraph-frame.h
+++ b/src/libsysprof-analyze/sysprof-callgraph-frame.h
@@ -48,5 +48,7 @@ SYSPROF_AVAILABLE_IN_ALL
 GListModel    *sysprof_callgraph_frame_list_traceables_finish (SysprofCallgraphFrame  *self,
                                                                GAsyncResult           *result,
                                                                GError                **error);
+SYSPROF_AVAILABLE_IN_ALL
+gboolean       sysprof_callgraph_frame_is_leaf                (SysprofCallgraphFrame  *self);
 
 G_END_DECLS