[gnome-builder/wip/gtk4-port: 589/736] plugins/buffer-monitor: keep project pointer around

[Christian Hergert <chergert src gnome org>]

commit f5bd838c081b879868de9d6e499b183df9b8fcde
Author: Christian Hergert <chergert redhat com>
Date:   Thu Apr 14 10:26:00 2022 -0700

    plugins/buffer-monitor: keep project pointer around
    
    We don't want to cause an object to be created or otherwise accessed
    incorrectly during shutdown/unload. Keep the pointer around so that we
    can disconnect the signal in unload.

 src/plugins/buffer-monitor/gbp-buffer-monitor-buffer-addin.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/src/plugins/buffer-monitor/gbp-buffer-monitor-buffer-addin.c 
b/src/plugins/buffer-monitor/gbp-buffer-monitor-buffer-addin.c
index 042a2cecc..32a7eb96e 100644
--- a/src/plugins/buffer-monitor/gbp-buffer-monitor-buffer-addin.c
+++ b/src/plugins/buffer-monitor/gbp-buffer-monitor-buffer-addin.c
@@ -36,6 +36,7 @@ struct _GbpBufferMonitorBufferAddin
 
   IdeBuffer    *buffer;
   GFileMonitor *monitor;
+  IdeProject   *project;
 
   GDateTime    *mtime;
   guint         mtime_set : 1;
@@ -246,7 +247,9 @@ gbp_buffer_monitor_buffer_addin_load (IdeBufferAddin *addin,
 
   context = ide_buffer_ref_context (buffer);
   project = ide_project_from_context (context);
-  g_signal_connect_object (project,
+
+  self->project = g_object_ref (project);
+  g_signal_connect_object (self->project,
                            "file-renamed",
                            G_CALLBACK (file_renamed_cb),
                            self,
@@ -258,21 +261,18 @@ gbp_buffer_monitor_buffer_addin_unload (IdeBufferAddin *addin,
                                         IdeBuffer      *buffer)
 {
   GbpBufferMonitorBufferAddin *self = (GbpBufferMonitorBufferAddin *)addin;
-  g_autoptr(IdeContext) context = NULL;
-  IdeProject *project;
 
   g_assert (GBP_IS_BUFFER_MONITOR_BUFFER_ADDIN (self));
   g_assert (IDE_IS_BUFFER (buffer));
 
   gbp_buffer_monitor_buffer_addin_setup_monitor (self, NULL);
 
-  context = ide_buffer_ref_context (buffer);
-  project = ide_project_from_context (context);
-  g_signal_handlers_disconnect_by_func (project,
+  g_signal_handlers_disconnect_by_func (self->project,
                                         G_CALLBACK (file_renamed_cb),
                                         self);
 
   g_clear_pointer (&self->mtime, g_date_time_unref);
+  g_clear_object (&self->project);
   self->buffer = NULL;
 }