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-rw-r--r--panels/display/cc-display-config-manager-dbus.c241
1 files changed, 241 insertions, 0 deletions
diff --git a/panels/display/cc-display-config-manager-dbus.c b/panels/display/cc-display-config-manager-dbus.c
new file mode 100644
index 0000000..678b696
--- /dev/null
+++ b/panels/display/cc-display-config-manager-dbus.c
@@ -0,0 +1,241 @@
+/*
+ * Copyright (C) 2017 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include "cc-display-config-dbus.h"
+#include "cc-display-config-manager-dbus.h"
+
+#include <gio/gio.h>
+
+struct _CcDisplayConfigManagerDBus
+{
+ CcDisplayConfigManager parent_instance;
+
+ GCancellable *cancellable;
+ GDBusConnection *connection;
+ guint monitors_changed_id;
+
+ GVariant *current_state;
+
+ gboolean apply_allowed;
+ gboolean night_light_supported;
+};
+
+G_DEFINE_TYPE (CcDisplayConfigManagerDBus,
+ cc_display_config_manager_dbus,
+ CC_TYPE_DISPLAY_CONFIG_MANAGER)
+
+static CcDisplayConfig *
+cc_display_config_manager_dbus_get_current (CcDisplayConfigManager *pself)
+{
+ CcDisplayConfigManagerDBus *self = CC_DISPLAY_CONFIG_MANAGER_DBUS (pself);
+
+ if (!self->current_state)
+ return NULL;
+
+ return g_object_new (CC_TYPE_DISPLAY_CONFIG_DBUS,
+ "state", self->current_state,
+ "connection", self->connection, NULL);
+}
+
+static void
+got_current_state (GObject *object,
+ GAsyncResult *result,
+ gpointer data)
+{
+ CcDisplayConfigManagerDBus *self;
+ GVariant *variant;
+ g_autoptr(GError) error = NULL;
+
+ variant = g_dbus_connection_call_finish (G_DBUS_CONNECTION (object),
+ result, &error);
+ if (!variant)
+ {
+ if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+ {
+ self = CC_DISPLAY_CONFIG_MANAGER_DBUS (data);
+ g_clear_pointer (&self->current_state, g_variant_unref);
+ _cc_display_config_manager_emit_changed (CC_DISPLAY_CONFIG_MANAGER (data));
+ g_warning ("Error calling GetCurrentState: %s", error->message);
+ }
+ return;
+ }
+
+ self = CC_DISPLAY_CONFIG_MANAGER_DBUS (data);
+ g_clear_pointer (&self->current_state, g_variant_unref);
+ self->current_state = variant;
+
+ _cc_display_config_manager_emit_changed (CC_DISPLAY_CONFIG_MANAGER (self));
+}
+
+static void
+get_current_state (CcDisplayConfigManagerDBus *self)
+{
+ g_dbus_connection_call (self->connection,
+ "org.gnome.Mutter.DisplayConfig",
+ "/org/gnome/Mutter/DisplayConfig",
+ "org.gnome.Mutter.DisplayConfig",
+ "GetCurrentState",
+ NULL,
+ NULL,
+ G_DBUS_CALL_FLAGS_NO_AUTO_START,
+ -1,
+ self->cancellable,
+ got_current_state,
+ self);
+}
+
+static void
+monitors_changed (GDBusConnection *connection,
+ const gchar *sender_name,
+ const gchar *object_path,
+ const gchar *interface_name,
+ const gchar *signal_name,
+ GVariant *parameters,
+ gpointer data)
+{
+ CcDisplayConfigManagerDBus *self = CC_DISPLAY_CONFIG_MANAGER_DBUS (data);
+ get_current_state (self);
+}
+
+static void
+bus_gotten (GObject *object,
+ GAsyncResult *result,
+ gpointer data)
+{
+ CcDisplayConfigManagerDBus *self;
+ GDBusConnection *connection;
+ g_autoptr(GError) error = NULL;
+ g_autoptr(GDBusProxy) proxy = NULL;
+ g_autoptr(GVariant) variant = NULL;
+
+ connection = g_bus_get_finish (result, &error);
+ if (!connection)
+ {
+ if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+ {
+ _cc_display_config_manager_emit_changed (CC_DISPLAY_CONFIG_MANAGER (data));
+ g_warning ("Error obtaining DBus connection: %s", error->message);
+ }
+ return;
+ }
+
+ self = CC_DISPLAY_CONFIG_MANAGER_DBUS (data);
+ self->connection = connection;
+ self->monitors_changed_id =
+ g_dbus_connection_signal_subscribe (self->connection,
+ "org.gnome.Mutter.DisplayConfig",
+ "org.gnome.Mutter.DisplayConfig",
+ "MonitorsChanged",
+ "/org/gnome/Mutter/DisplayConfig",
+ NULL,
+ G_DBUS_SIGNAL_FLAGS_NONE,
+ monitors_changed,
+ self,
+ NULL);
+
+ proxy = g_dbus_proxy_new_sync (self->connection,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ "org.gnome.Mutter.DisplayConfig",
+ "/org/gnome/Mutter/DisplayConfig",
+ "org.gnome.Mutter.DisplayConfig",
+ NULL,
+ &error);
+ if (!proxy)
+ {
+ g_warning ("Failed to create D-Bus proxy to \"org.gnome.Mutter.DisplayConfig\": %s",
+ error->message);
+ return;
+ }
+
+ variant = g_dbus_proxy_get_cached_property (proxy, "ApplyMonitorsConfigAllowed");
+ if (variant)
+ self->apply_allowed = g_variant_get_boolean (variant);
+ else
+ g_warning ("Missing property 'ApplyMonitorsConfigAllowed' on DisplayConfig API");
+
+ variant = g_dbus_proxy_get_cached_property (proxy, "NightLightSupported");
+ if (variant)
+ self->night_light_supported = g_variant_get_boolean (variant);
+ else
+ g_warning ("Missing property 'NightLightSupported' on DisplayConfig API");
+
+ get_current_state (self);
+}
+
+static void
+cc_display_config_manager_dbus_init (CcDisplayConfigManagerDBus *self)
+{
+ self->apply_allowed = TRUE;
+ self->night_light_supported = TRUE;
+ self->cancellable = g_cancellable_new ();
+ g_bus_get (G_BUS_TYPE_SESSION, self->cancellable, bus_gotten, self);
+}
+
+static void
+cc_display_config_manager_dbus_finalize (GObject *object)
+{
+ CcDisplayConfigManagerDBus *self = CC_DISPLAY_CONFIG_MANAGER_DBUS (object);
+
+ g_cancellable_cancel (self->cancellable);
+ g_clear_object (&self->cancellable);
+
+ if (self->monitors_changed_id && self->connection)
+ g_dbus_connection_signal_unsubscribe (self->connection,
+ self->monitors_changed_id);
+ g_clear_object (&self->connection);
+ g_clear_pointer (&self->current_state, g_variant_unref);
+
+ G_OBJECT_CLASS (cc_display_config_manager_dbus_parent_class)->finalize (object);
+}
+
+static gboolean
+cc_display_config_manager_dbus_get_apply_allowed (CcDisplayConfigManager *pself)
+{
+ CcDisplayConfigManagerDBus *self = CC_DISPLAY_CONFIG_MANAGER_DBUS (pself);
+
+ return self->apply_allowed;
+}
+
+static gboolean
+cc_display_config_manager_dbus_get_night_light_supported (CcDisplayConfigManager *pself)
+{
+ CcDisplayConfigManagerDBus *self = CC_DISPLAY_CONFIG_MANAGER_DBUS (pself);
+
+ return self->night_light_supported;
+}
+
+static void
+cc_display_config_manager_dbus_class_init (CcDisplayConfigManagerDBusClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ CcDisplayConfigManagerClass *parent_class = CC_DISPLAY_CONFIG_MANAGER_CLASS (klass);
+
+ gobject_class->finalize = cc_display_config_manager_dbus_finalize;
+
+ parent_class->get_current = cc_display_config_manager_dbus_get_current;
+ parent_class->get_apply_allowed = cc_display_config_manager_dbus_get_apply_allowed;
+ parent_class->get_night_light_supported = cc_display_config_manager_dbus_get_night_light_supported;
+}
+
+CcDisplayConfigManager *
+cc_display_config_manager_dbus_new (void)
+{
+ return g_object_new (CC_TYPE_DISPLAY_CONFIG_MANAGER_DBUS, NULL);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 15:20:33 +0000