/*
* e-mail-junk-options.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.
*
* 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 Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "e-mail-junk-options.h"
#include <config.h>
#include <glib/gi18n-lib.h>
#define E_MAIL_JUNK_OPTIONS_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_MAIL_JUNK_OPTIONS, EMailJunkOptionsPrivate))
G_DEFINE_TYPE (
EMailJunkOptions,
e_mail_junk_options,
GTK_TYPE_GRID)
struct _EMailJunkOptionsPrivate {
EMailSession *session;
GtkWidget *label; /* not referenced */
GtkWidget *combo_box; /* not referenced */
GtkWidget *option_box; /* not referenced */
GPtrArray *widgets; /* not referenced */
GBinding *active_id_binding;
};
enum {
PROP_0,
PROP_SESSION
};
enum {
COLUMN_FILTER_NAME,
COLUMN_DISPLAY_NAME
};
static gboolean
mail_junk_options_junk_filter_to_name (GBinding *binding,
const GValue *source_value,
GValue *target_value,
gpointer user_data)
{
CamelJunkFilter *junk_filter;
gboolean success = FALSE;
junk_filter = g_value_get_object (source_value);
if (E_IS_MAIL_JUNK_FILTER (junk_filter)) {
EMailJunkFilterClass *class;
class = E_MAIL_JUNK_FILTER_GET_CLASS (junk_filter);
g_value_set_string (target_value, class->filter_name);
success = TRUE;
}
return success;
}
static gboolean
mail_junk_options_name_to_junk_filter (GBinding *binding,
const GValue *source_value,
GValue *target_value,
gpointer user_data)
{
const gchar *filter_name;
gboolean success = FALSE;
filter_name = g_value_get_string (source_value);
if (filter_name != NULL) {
EMailJunkFilter *junk_filter;
junk_filter = e_mail_session_get_junk_filter_by_name (
E_MAIL_SESSION (user_data), filter_name);
g_value_set_object (target_value, junk_filter);
success = (junk_filter != NULL);
}
return success;
}
static void
mail_junk_options_combo_box_changed_cb (GtkComboBox *combo_box,
EMailJunkOptions *options)
{
GPtrArray *array;
gint active;
guint ii;
array = options->priv->widgets;
active = gtk_combo_box_get_active (combo_box);
for (ii = 0; ii < array->len; ii++) {
GtkWidget *widget = GTK_WIDGET (array->pdata[ii]);
gtk_widget_set_visible (widget, ii == active);
}
}
static void
mail_junk_options_rebuild (EMailJunkOptions *options)
{
EMailSession *session;
GtkComboBox *combo_box;
GtkTreeModel *model;
GtkBox *option_box;
GList *list = NULL;
GList *link;
guint n_filters;
session = e_mail_junk_options_get_session (options);
combo_box = GTK_COMBO_BOX (options->priv->combo_box);
option_box = GTK_BOX (options->priv->option_box);
/* Remove the GtkComboBox:active-id binding so it doesn't
* affect EMailSession:junk-filter-name when we clear the
* combo box's list model. */
if (options->priv->active_id_binding != NULL) {
g_object_unref (options->priv->active_id_binding);
options->priv->active_id_binding = NULL;
}
model = gtk_combo_box_get_model (combo_box);
gtk_list_store_clear (GTK_LIST_STORE (model));
g_ptr_array_foreach (
options->priv->widgets,
(GFunc) gtk_widget_destroy, NULL);
g_ptr_array_set_size (options->priv->widgets, 0);
if (session != NULL)
list = e_mail_session_get_available_junk_filters (session);
for (link = list; link != NULL; link = g_list_next (link)) {
EMailJunkFilter *junk_filter;
EMailJunkFilterClass *class;
GtkWidget *widget;
GtkTreeIter iter;
junk_filter = E_MAIL_JUNK_FILTER (link->data);
class = E_MAIL_JUNK_FILTER_GET_CLASS (junk_filter);
gtk_list_store_append (GTK_LIST_STORE (model), &iter);
gtk_list_store_set (
GTK_LIST_STORE (model), &iter,
COLUMN_FILTER_NAME, class->filter_name,
COLUMN_DISPLAY_NAME, class->display_name,
-1);
/* Create a configuration widget for this junk filter,
* or else just create an empty placeholder widget. */
widget = e_mail_junk_filter_new_config_widget (junk_filter);
if (widget == NULL)
widget = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
g_ptr_array_add (options->priv->widgets, widget);
/* Set extra padding to 12px, since only one child of
* 'option_box' is visible at a time, and we still want
* the extra padding if the first grid row is invisible. */
gtk_box_pack_start (option_box, widget, FALSE, FALSE, 12);
}
/* Synchronize the combo box with the active junk filter. */
if (session != NULL) {
GBinding *binding;
binding = g_object_bind_property_full (
session, "junk-filter",
combo_box, "active-id",
G_BINDING_BIDIRECTIONAL |
G_BINDING_SYNC_CREATE,
mail_junk_options_junk_filter_to_name,
mail_junk_options_name_to_junk_filter,
session, (GDestroyNotify) NULL);
options->priv->active_id_binding = binding;
}
/* Select the first combo box item if we need to. If there's
* no first item to select, this will silently do nothing. */
if (gtk_combo_box_get_active (combo_box) < 0)
gtk_combo_box_set_active (combo_box, 0);
/* Update visibility of widgets. */
n_filters = g_list_length (list);
gtk_widget_set_visible (GTK_WIDGET (options), n_filters > 0);
gtk_widget_set_visible (options->priv->label, n_filters > 1);
gtk_widget_set_visible (options->priv->combo_box, n_filters > 1);
g_list_free (list);
}
static void
mail_junk_options_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_SESSION:
e_mail_junk_options_set_session (
E_MAIL_JUNK_OPTIONS (object),
g_value_get_object (value));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
mail_junk_options_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_SESSION:
g_value_set_object (
value,
e_mail_junk_options_get_session (
E_MAIL_JUNK_OPTIONS (object)));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
mail_junk_options_dispose (GObject *object)
{
EMailJunkOptionsPrivate *priv;
priv = E_MAIL_JUNK_OPTIONS_GET_PRIVATE (object);
if (priv->session != NULL) {
g_object_unref (priv->session);
priv->session = NULL;
}
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (e_mail_junk_options_parent_class)->dispose (object);
}
static void
mail_junk_options_finalize (GObject *object)
{
EMailJunkOptionsPrivate *priv;
priv = E_MAIL_JUNK_OPTIONS_GET_PRIVATE (object);
g_ptr_array_free (priv->widgets, TRUE);
/* Chain up to parent's finalize() method. */
G_OBJECT_CLASS (e_mail_junk_options_parent_class)->finalize (object);
}
static void
mail_junk_options_constructed (GObject *object)
{
EMailJunkOptionsPrivate *priv;
GtkCellRenderer *cell_renderer;
GtkCellLayout *cell_layout;
GtkListStore *list_store;
GtkWidget *widget;
priv = E_MAIL_JUNK_OPTIONS_GET_PRIVATE (object);
/* XXX The margins we're using here are tailored to its
* placement in the Junk tab of Mail Preferences.
* EMailJunkOptions is not really reusable as is. */
/* Chain up to parent's constructed() method. */
G_OBJECT_CLASS (e_mail_junk_options_parent_class)->constructed (object);
gtk_grid_set_column_spacing (GTK_GRID (object), 6);
list_store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
/* Label + combo box has a 12px left margin so it's
* aligned with the junk mail options above it. */
widget = gtk_label_new (_("Junk filtering software:"));
gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
gtk_widget_set_margin_left (widget, 12);
gtk_grid_attach (GTK_GRID (object), widget, 0, 0, 1, 1);
priv->label = widget; /* not referenced */
gtk_widget_show (widget);
widget = gtk_combo_box_new_with_model (GTK_TREE_MODEL (list_store));
gtk_combo_box_set_id_column (
GTK_COMBO_BOX (widget), COLUMN_FILTER_NAME);
gtk_grid_attach (GTK_GRID (object), widget, 1, 0, 1, 1);
priv->combo_box = widget; /* not referenced */
gtk_widget_show (widget);
g_signal_connect (
widget, "changed",
G_CALLBACK (mail_junk_options_combo_box_changed_cb), object);
/* The config widgets that come from EMailJunkFilter have no
* left margin, since they usually include a bold header and
* interactive widgets with their own left margin. */
widget = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_grid_attach (GTK_GRID (object), widget, 0, 1, 2, 1);
priv->option_box = widget; /* not referenced */
gtk_widget_show (widget);
cell_layout = GTK_CELL_LAYOUT (priv->combo_box);
cell_renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (cell_layout, cell_renderer, FALSE);
gtk_cell_layout_add_attribute (
cell_layout, cell_renderer,
"text", COLUMN_DISPLAY_NAME);
g_object_unref (list_store);
}
static void
mail_junk_options_map (GtkWidget *widget)
{
/* Chain up to parent's map() method. */
GTK_WIDGET_CLASS (e_mail_junk_options_parent_class)->map (widget);
mail_junk_options_rebuild (E_MAIL_JUNK_OPTIONS (widget));
}
static void
e_mail_junk_options_class_init (EMailJunkOptionsClass *class)
{
GObjectClass *object_class;
GtkWidgetClass *widget_class;
g_type_class_add_private (class, sizeof (EMailJunkOptionsPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->set_property = mail_junk_options_set_property;
object_class->get_property = mail_junk_options_get_property;
object_class->dispose = mail_junk_options_dispose;
object_class->finalize = mail_junk_options_finalize;
object_class->constructed = mail_junk_options_constructed;
widget_class = GTK_WIDGET_CLASS (class);
widget_class->map = mail_junk_options_map;
g_object_class_install_property (
object_class,
PROP_SESSION,
g_param_spec_object (
"session",
NULL,
NULL,
E_TYPE_MAIL_SESSION,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
}
static void
e_mail_junk_options_init (EMailJunkOptions *options)
{
options->priv = E_MAIL_JUNK_OPTIONS_GET_PRIVATE (options);
options->priv->widgets = g_ptr_array_new ();
}
GtkWidget *
e_mail_junk_options_new (EMailSession *session)
{
g_return_val_if_fail (E_IS_MAIL_SESSION (session), NULL);
return g_object_new (
E_TYPE_MAIL_JUNK_OPTIONS, "session", session, NULL);
}
EMailSession *
e_mail_junk_options_get_session (EMailJunkOptions *options)
{
g_return_val_if_fail (E_IS_MAIL_JUNK_OPTIONS (options), NULL);
return options->priv->session;
}
void
e_mail_junk_options_set_session (EMailJunkOptions *options,
EMailSession *session)
{
g_return_if_fail (E_IS_MAIL_JUNK_OPTIONS (options));
if (options->priv->session == session)
return;
if (session != NULL) {
g_return_if_fail (E_IS_MAIL_SESSION (session));
g_object_ref (session);
}
if (options->priv->session != NULL)
g_object_unref (options->priv->session);
options->priv->session = session;
g_object_notify (G_OBJECT (options), "session");
mail_junk_options_rebuild (options);
}
