session: create MksScreen from GDBusObject

This uses the object manager object instead of the proxy directly to
create the MksScreen instances.

We might want to move the object initialization to MksDevice since it
is likely to be copied across a number of device types.

lib/mks-screen-private.h

@@ -23,16 +23,11 @@
 
 #include <gio/gio.h>
 
+#include "mks-qemu.h"
 #include "mks-screen.h"
 
 G_BEGIN_DECLS
 
-void       _mks_screen_new        (GDBusConnection      *connection,
-                                   const char           *object_path,
-                                   GCancellable         *cancellable,
-                                   GAsyncReadyCallback   callback,
-                                   gpointer              user_data);
-MksScreen *_mks_screen_new_finish (GAsyncResult         *result,
-                                   GError              **error);
+MksDevice *_mks_screen_new (MksQemuObject *object);
 
 G_END_DECLS

lib/mks-screen.c

@@ -32,6 +32,7 @@ struct _MksScreen
 {
   MksDevice       parent_instance;
 
+  MksQemuObject  *console_object;
   MksQemuConsole *console;
   gulong          console_notify_handler;
 
@@ -86,6 +87,19 @@ _mks_screen_set_height (MksScreen *self,
     }
 }
 
+static void
+_mks_screen_set_number (MksScreen *self,
+                        guint      number)
+{
+  g_assert (MKS_IS_SCREEN (self));
+
+  if (self->number != number)
+    {
+      self->number = number;
+      g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_NUMBER]);
+    }
+}
+
 static void
 mks_screen_console_notify_cb (MksScreen      *self,
                               GParamSpec     *pspec,
@@ -101,6 +115,8 @@ mks_screen_console_notify_cb (MksScreen      *self,
     _mks_screen_set_width (self, mks_qemu_console_get_width (console));
   else if (strcmp (pspec->name, "height") == 0)
     _mks_screen_set_height (self, mks_qemu_console_get_height (console));
+  else if (strcmp (pspec->name, "number") == 0)
+    _mks_screen_set_number (self, mks_qemu_console_get_head (console));
 }
 
 static void
@@ -109,12 +125,16 @@ mks_screen_set_console (MksScreen      *self,
 {
   g_assert (MKS_IS_SCREEN (self));
   g_assert (!console || MKS_QEMU_IS_CONSOLE (console));
-  g_assert (self->console == NULL);
+
+  if (self->console != NULL)
+    return;
 
   if (g_set_object (&self->console, console))
     {
       const char *type;
 
+      _mks_device_set_name (MKS_DEVICE (self), mks_qemu_console_get_label (console));
+
       self->console_notify_handler =
         g_signal_connect_object (console,
                                  "notify",
@@ -145,6 +165,7 @@ mks_screen_dispose (GObject *object)
       g_clear_object (&self->console);
     }
 
+  g_clear_object (&self->console_object);
   g_clear_object (&self->keyboard);
   g_clear_object (&self->mouse);
 
@@ -190,21 +211,6 @@ mks_screen_get_property (GObject    *object,
     }
 }
 
-static void
-mks_screen_set_property (GObject      *object,
-                         guint         prop_id,
-                         const GValue *value,
-                         GParamSpec   *pspec)
-{
-  MksScreen *self = MKS_SCREEN (object);
-
-  switch (prop_id)
-    {
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-    }
-}
-
 static void
 mks_screen_class_init (MksScreenClass *klass)
 {
@@ -212,7 +218,6 @@ mks_screen_class_init (MksScreenClass *klass)
 
   object_class->dispose = mks_screen_dispose;
   object_class->get_property = mks_screen_get_property;
-  object_class->set_property = mks_screen_set_property;
 
   properties [PROP_KEYBOARD] =
     g_param_spec_object ("keyboard", NULL, NULL,
@@ -253,71 +258,31 @@ mks_screen_init (MksScreen *self)
 {
 }
 
-static void
-mks_screen_new_cb (GObject      *object,
-                   GAsyncResult *result,
-                   gpointer      user_data)
+MksDevice *
+_mks_screen_new (MksQemuObject *object)
 {
-  g_autoptr(MksQemuConsole) console = NULL;
-  g_autoptr(GError) error = NULL;
-  g_autoptr(GTask) task = user_data;
-  MksScreen *self;
-
-  g_assert (G_IS_ASYNC_RESULT (result));
-  g_assert (G_IS_TASK (task));
-
-  self = g_task_get_source_object (task);
-  console = mks_qemu_console_proxy_new_finish (result, &error);
-
-  g_assert (MKS_IS_SCREEN (self));
-  g_assert (!console || MKS_QEMU_IS_CONSOLE (console));
-
-  mks_screen_set_console (self, console);
-
-  if (error)
-    g_task_return_error (task, g_steal_pointer (&error));
-  else
-    g_task_return_pointer (task, g_object_ref (self), g_object_unref);
-}
-
-void
-_mks_screen_new (GDBusConnection      *connection,
-                 const char           *object_path,
-                 GCancellable         *cancellable,
-                 GAsyncReadyCallback   callback,
-                 gpointer              user_data)
-{
-  g_autoptr(GTask) task = NULL;
   g_autoptr(MksScreen) self = NULL;
+  g_autolist(GDBusInterface) interfaces = NULL;
 
-  g_return_if_fail (G_IS_DBUS_CONNECTION (connection));
-  g_return_if_fail (object_path != NULL);
-  g_return_if_fail (!cancellable || G_IS_CANCELLABLE (cancellable));
+  g_return_val_if_fail (MKS_QEMU_IS_OBJECT (object), NULL);
 
   self = g_object_new (MKS_TYPE_SCREEN, NULL);
-  task = g_task_new (self, cancellable, callback, user_data);
-  g_task_set_source_tag (task, _mks_screen_new);
+  self->console_object = g_object_ref (object);
 
-  mks_qemu_console_proxy_new (connection,
-                              G_DBUS_PROXY_FLAGS_NONE,
-                              "org.qemu",
-                              object_path,
-                              cancellable,
-                              mks_screen_new_cb,
-                              g_steal_pointer (&task));
-}
+  interfaces = g_dbus_object_get_interfaces (G_DBUS_OBJECT (object));
 
-MksScreen *
-_mks_screen_new_finish (GAsyncResult  *result,
-                        GError       **error)
-{
-  MksScreen *ret;
+  for (const GList *iter = interfaces; iter; iter = iter->next)
+    {
+      GDBusInterface *iface = iter->data;
 
-  g_return_val_if_fail (G_IS_TASK (result), NULL);
-  ret = g_task_propagate_pointer (G_TASK (result), error);
-  g_return_val_if_fail (!ret || MKS_IS_SCREEN (ret), NULL);
+      if (MKS_QEMU_IS_CONSOLE (iface))
+        mks_screen_set_console (self, MKS_QEMU_CONSOLE (iface));
+    }
 
-  return ret;
+  if (self->console == NULL)
+    return NULL;
+
+  return MKS_DEVICE (g_steal_pointer (&self));
 }
 
 /**

lib/mks-session.c

@@ -24,6 +24,7 @@
 #include "mks-device.h"
 #include "mks-read-only-list-model-private.h"
 #include "mks-qemu.h"
+#include "mks-screen-private.h"
 #include "mks-session.h"
 
 /**
@@ -144,13 +145,23 @@ mks_session_set_connection (MksSession      *self,
   g_assert (self->connection == NULL);
 
   if (connection == NULL)
-    {
-      g_critical ("%s created without a GDBusConnection, this cannot work.",
-                  G_OBJECT_TYPE_NAME (self));
-      return;
-    }
+    g_critical ("%s created without a GDBusConnection, this cannot work.",
+                G_OBJECT_TYPE_NAME (self));
+  else
+    self->connection = g_object_ref (connection);
+}
 
-  self->connection = g_object_ref (connection);
+static void
+mks_session_add_device (MksSession *self,
+                        MksDevice  *device)
+{
+  g_assert (MKS_IS_SESSION (self));
+  g_assert (!device || MKS_IS_DEVICE (device));
+
+  if (device == NULL)
+    return;
+
+  g_list_store_append (self->devices, device);
 }
 
 static void
@@ -213,6 +224,8 @@ mks_session_object_manager_object_added_cb (MksSession         *self,
 
       if (MKS_QEMU_IS_VM (iface))
         mks_session_set_vm (self, object, MKS_QEMU_VM (iface));
+      else if (MKS_QEMU_IS_CONSOLE (iface))
+        mks_session_add_device (self, _mks_screen_new (object));
     }
 }