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color-manager: Set up a D-Bus proxy to org.gnome.SettingsDaemon.Color

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gsd-color provides this API, which exposes details about the night light
state. Currently, gsd-color also turns this state into CRTC gamma
changes, but this will eventually change, and this is a preparation for
this.

The proxy isn't yet used for anything.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2164>
This commit is contained in:
Jonas Ådahl
2021-10-29 11:23:18 +02:00
parent 0dc6d76371
commit 43cd70089e
5 changed files with 87 additions and 0 deletions
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41
src/backends/meta-color-manager.c
View File

@ -51,6 +51,8 @@
#include "backends/meta-color-device.h"
#include "backends/meta-monitor.h"
#include "meta-dbus-gsd-color.h"
enum
{
PROP_0,
@ -70,6 +72,8 @@ typedef struct _MetaColorManagerPrivate
GCancellable *cancellable;
GHashTable *devices;
MetaDbusSettingsDaemonColor *gsd_color;
} MetaColorManagerPrivate;
G_DEFINE_TYPE_WITH_PRIVATE (MetaColorManager, meta_color_manager, G_TYPE_OBJECT)
@ -201,6 +205,33 @@ cd_client_connect_cb (GObject *source_object,
color_manager);
}
static void
on_gsd_color_ready (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
MetaColorManager *color_manager = META_COLOR_MANAGER (user_data);
MetaColorManagerPrivate *priv =
meta_color_manager_get_instance_private (color_manager);
MetaDbusSettingsDaemonColor *gsd_color;
g_autoptr (GError) error = NULL;
gsd_color =
meta_dbus_settings_daemon_color_proxy_new_for_bus_finish (res, &error);
if (!gsd_color)
{
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
g_warning ("Failed to create gsd-color D-Bus proxy: %s", error->message);
return;
}
meta_topic (META_DEBUG_COLOR,
"Connection to org.gnome.SettingsDaemon.Color established");
priv->gsd_color = gsd_color;
}
static void
meta_color_manager_constructed (GObject *object)
{
@ -213,6 +244,15 @@ meta_color_manager_constructed (GObject *object)
priv->cd_client = cd_client_new ();
cd_client_connect (priv->cd_client, priv->cancellable, cd_client_connect_cb,
color_manager);
meta_dbus_settings_daemon_color_proxy_new_for_bus (
G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
"org.gnome.SettingsDaemon.Color",
"/org/gnome/SettingsDaemon/Color",
priv->cancellable,
on_gsd_color_ready,
color_manager);
}
static void
@ -225,6 +265,7 @@ meta_color_manager_finalize (GObject *object)
g_cancellable_cancel (priv->cancellable);
g_clear_object (&priv->cancellable);
g_clear_pointer (&priv->devices, g_hash_table_unref);
g_clear_object (&priv->gsd_color);
G_OBJECT_CLASS (meta_color_manager_parent_class)->finalize (object);
}