diff options
Diffstat (limited to 'shell/e-shell-settings.c')
| -rw-r--r-- | shell/e-shell-settings.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/shell/e-shell-settings.c b/shell/e-shell-settings.c new file mode 100644 index 0000000000..d0c678baa9 --- /dev/null +++ b/shell/e-shell-settings.c @@ -0,0 +1,201 @@ +/* + * e-shell-settings.c + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#include "e-shell-settings.h" + +#include "e-util/gconf-bridge.h" + +#define E_SHELL_SETTINGS_GET_PRIVATE(obj) \ + (G_TYPE_INSTANCE_GET_PRIVATE \ + ((obj), E_TYPE_SHELL_SETTINGS, EShellSettingsPrivate)) + +struct _EShellSettingsPrivate { + GArray *value_array; +}; + +static GList *instances; +static guint property_count; +static gpointer parent_class; + +static void +shell_settings_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + EShellSettingsPrivate *priv; + GValue *dest_value; + + priv = E_SHELL_SETTINGS_GET_PRIVATE (object); + + dest_value = &g_array_index ( + priv->value_array, GValue, property_id - 1); + + g_value_copy (value, dest_value); + g_object_notify (object, pspec->name); +} + +static void +shell_settings_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + EShellSettingsPrivate *priv; + GValue *src_value; + + priv = E_SHELL_SETTINGS_GET_PRIVATE (object); + + src_value = &g_array_index ( + priv->value_array, GValue, property_id - 1); + + g_value_copy (src_value, value); +} + +static void +shell_settings_finalize (GObject *object) +{ + EShellSettingsPrivate *priv; + guint ii; + + priv = E_SHELL_SETTINGS_GET_PRIVATE (object); + + for (ii = 0; ii < priv->value_array->len; ii++) + g_value_unset (&g_array_index (priv->value_array, GValue, ii)); + + g_array_free (priv->value_array, TRUE); + + /* Chain up to parent's finalize() method. */ + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +shell_settings_class_init (EShellSettingsClass *class) +{ + GObjectClass *object_class; + + parent_class = g_type_class_peek_parent (class); + g_type_class_add_private (class, sizeof (EShellSettingsPrivate)); + + object_class = G_OBJECT_CLASS (class); + object_class->set_property = shell_settings_set_property; + object_class->get_property = shell_settings_get_property; + object_class->finalize = shell_settings_finalize; +} + +static void +shell_settings_init (EShellSettings *shell_settings, + GObjectClass *object_class) +{ + GArray *value_array; + + instances = g_list_prepend (instances, shell_settings); + + value_array = g_array_new (FALSE, TRUE, sizeof (GValue)); + g_array_set_size (value_array, property_count); + + shell_settings->priv = E_SHELL_SETTINGS_GET_PRIVATE (shell_settings); + shell_settings->priv->value_array = value_array; +} + +GType +e_shell_settings_get_type (void) +{ + static GType type = 0; + + if (G_UNLIKELY (type == 0)) { + const GTypeInfo type_info = { + sizeof (EShellSettingsClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) shell_settings_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (EShellSettings), + 0, /* n_preallocs */ + (GInstanceInitFunc) shell_settings_init, + NULL /* value_table */ + }; + + type = g_type_register_static ( + G_TYPE_OBJECT, "EShellSettings", &type_info, 0); + } + + return type; +} + +void +e_shell_settings_install_property (GParamSpec *pspec) +{ + static GObjectClass *class = NULL; + GList *iter, *next; + + g_return_if_fail (G_IS_PARAM_SPEC (pspec)); + + if (G_UNLIKELY (class == NULL)) + class = g_type_class_ref (E_TYPE_SHELL_SETTINGS); + + if (g_object_class_find_property (class, pspec->name) != NULL) { + g_warning ( + "Settings property \"%s\" already exists", + pspec->name); + return; + } + + for (iter = instances; iter != NULL; iter = iter->next) + g_object_freeze_notify (iter->data); + + g_object_class_install_property (class, ++property_count, pspec); + + for (iter = instances; iter != NULL; iter = iter->next) { + EShellSettings *shell_settings = iter->data; + GArray *value_array; + GValue *value; + + value_array = shell_settings->priv->value_array; + g_array_set_size (value_array, property_count); + + value = &g_array_index ( + value_array, GValue, property_count - 1); + g_value_init (value, G_PARAM_SPEC_VALUE_TYPE (pspec)); + g_param_value_set_default (pspec, value); + g_object_notify (G_OBJECT (shell_settings), pspec->name); + } + + for (iter = instances; iter != NULL; iter = next) { + next = iter->next; + g_object_thaw_notify (iter->data); + } +} + +void +e_shell_settings_bind_to_gconf (EShellSettings *shell_settings, + const gchar *property_name, + const gchar *gconf_key) +{ + g_return_if_fail (E_IS_SHELL_SETTINGS (shell_settings)); + g_return_if_fail (property_name != NULL); + g_return_if_fail (gconf_key != NULL); + + gconf_bridge_bind_property ( + gconf_bridge_get (), gconf_key, + G_OBJECT (shell_settings), property_name); +} |