[gnome-control-center/wip/hughsie/firmware-security-hide-vm] firmware-security: Hide the panel when using a VM

[Richard Hughes <rhughes src gnome org>]

commit ee0659a09f9b55f8ec1fd4eae0202d299b8fe6f6
Author: Richard Hughes <richard hughsie com>
Date:   Tue Jul 19 17:40:49 2022 +0100

    firmware-security: Hide the panel when using a VM
    
    Fixes https://gitlab.gnome.org/GNOME/gnome-control-center/-/issues/1972

 .../firmware-security/cc-firmware-security-panel.c | 56 ++++++++++++++++++++++
 .../firmware-security/cc-firmware-security-panel.h |  2 +
 shell/cc-panel-loader.c                            |  3 +-
 3 files changed, 60 insertions(+), 1 deletion(-)
---
diff --git a/panels/firmware-security/cc-firmware-security-panel.c 
b/panels/firmware-security/cc-firmware-security-panel.c
index ebd152834..f56108670 100644
--- a/panels/firmware-security/cc-firmware-security-panel.c
+++ b/panels/firmware-security/cc-firmware-security-panel.c
@@ -20,6 +20,8 @@
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
+#include "shell/cc-application.h"
+
 #include "cc-firmware-security-panel.h"
 #include "cc-firmware-security-resources.h"
 #include "cc-firmware-security-dialog.h"
@@ -509,6 +511,60 @@ on_properties_bus_ready_cb (GObject      *source_object,
                      self);
 }
 
+static void
+update_panel_visibility (const gchar *chassis_type)
+{
+  CcApplication *application;
+  gboolean visible = TRUE;
+
+  /* there's *almost* no point showing this by default */
+  if (g_strcmp0 (chassis_type, "vm") == 0)
+    visible = FALSE;
+  application = CC_APPLICATION (g_application_get_default ());
+  cc_shell_model_set_panel_visibility (cc_application_get_model (application),
+                                       "firmware-security",
+                                       visible ? CC_PANEL_VISIBLE : CC_PANEL_VISIBLE_IN_SEARCH);
+  g_debug ("Firmware Security panel visible: %s as chassis was %s",
+           visible ? "yes" : "no",
+           chassis_type);
+}
+
+void
+cc_firmware_security_panel_static_init_func (void)
+{
+  g_autoptr(GDBusConnection) connection = NULL;
+  g_autoptr(GError) error = NULL;
+  g_autoptr(GVariant) inner = NULL;
+  g_autoptr(GVariant) variant = NULL;
+
+  connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
+  if (!connection)
+    {
+      g_warning ("system bus not available: %s", error->message);
+      return;
+    }
+  variant = g_dbus_connection_call_sync (connection,
+                                         "org.freedesktop.hostname1",
+                                         "/org/freedesktop/hostname1",
+                                         "org.freedesktop.DBus.Properties",
+                                         "Get",
+                                         g_variant_new ("(ss)",
+                                                        "org.freedesktop.hostname1",
+                                                        "Chassis"),
+                                         NULL,
+                                         G_DBUS_CALL_FLAGS_NONE,
+                                         -1,
+                                         NULL,
+                                         &error);
+  if (!variant)
+    {
+      g_warning ("Cannot get org.freedesktop.hostname1.Chassis: %s", error->message);
+      return;
+    }
+  g_variant_get (variant, "(v)", &inner);
+  update_panel_visibility (g_variant_get_string (inner, NULL));
+}
+
 static void
 cc_firmware_security_panel_finalize (GObject *object)
 {
diff --git a/panels/firmware-security/cc-firmware-security-panel.h 
b/panels/firmware-security/cc-firmware-security-panel.h
index a4afb5dc3..1c7a02426 100644
--- a/panels/firmware-security/cc-firmware-security-panel.h
+++ b/panels/firmware-security/cc-firmware-security-panel.h
@@ -29,4 +29,6 @@ G_BEGIN_DECLS
 #define CC_TYPE_FIRMWARE_SECURITY_PANEL (cc_firmware_security_panel_get_type ())
 G_DECLARE_FINAL_TYPE (CcfirmwareSecurityPanel, cc_firmware_security_panel, CC, FIRMWARE_SECURITY_PANEL, 
CcPanel)
 
+void                 cc_firmware_security_panel_static_init_func              (void);
+
 G_END_DECLS
diff --git a/shell/cc-panel-loader.c b/shell/cc-panel-loader.c
index 57b2d5bed..5fff89ba6 100644
--- a/shell/cc-panel-loader.c
+++ b/shell/cc-panel-loader.c
@@ -87,6 +87,7 @@ extern void cc_wacom_panel_static_init_func (void);
 #ifdef BUILD_WWAN
 extern void cc_wwan_panel_static_init_func (void);
 #endif /* BUILD_WWAN */
+extern void cc_firmware_security_panel_static_init_func (void);
 
 #define PANEL_TYPE(name, get_type, init_func) { name, get_type, init_func }
 
@@ -112,7 +113,7 @@ static CcPanelLoaderVtable default_panels[] =
   PANEL_TYPE("info-overview",    cc_info_overview_panel_get_type,        NULL),
   PANEL_TYPE("keyboard",         cc_keyboard_panel_get_type,             NULL),
   PANEL_TYPE("location",         cc_location_panel_get_type,             NULL),
-  PANEL_TYPE("firmware-security",cc_firmware_security_panel_get_type,    NULL),
+  PANEL_TYPE("firmware-security",cc_firmware_security_panel_get_type,    
cc_firmware_security_panel_static_init_func),
   PANEL_TYPE("lock",             cc_lock_panel_get_type,                 NULL),
   PANEL_TYPE("microphone",       cc_microphone_panel_get_type,           NULL),
   PANEL_TYPE("mouse",            cc_mouse_panel_get_type,                NULL),