/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* vim:expandtab:shiftwidth=8:tabstop=8:
*/
/* Evolution Accessibility: ea-cal-view.c
*
* Copyright (C) 2003 Ximian, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU 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 General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Bolian Yin <bolian.yin@sun.com> Sun Microsystem Inc., 2003
*
*/
#include "ea-cal-view.h"
#include "ea-calendar-helpers.h"
#include "e-day-view.h"
#include "e-week-view.h"
#include "calendar-commands.h"
#include <glib/gstrfuncs.h>
static void ea_cal_view_class_init (EaCalViewClass *klass);
static AtkObject* ea_cal_view_get_parent (AtkObject *accessible);
static gint ea_cal_view_get_index_in_parent (AtkObject *accessible);
static void ea_cal_view_real_initialize (AtkObject *accessible, gpointer data);
static void ea_cal_view_event_changed_cb (ECalView *cal_view,
ECalViewEvent *event, gpointer data);
static void ea_cal_view_event_added_cb (ECalView *cal_view,
ECalViewEvent *event, gpointer data);
static void ea_cal_view_dates_change_cb (GnomeCalendar *gcal, gpointer data);
static gpointer parent_class = NULL;
GType
ea_cal_view_get_type (void)
{
static GType type = 0;
AtkObjectFactory *factory;
GTypeQuery query;
GType derived_atk_type;
if (!type) {
static GTypeInfo tinfo = {
sizeof (EaCalViewClass),
(GBaseInitFunc) NULL, /* base init */
(GBaseFinalizeFunc) NULL, /* base finalize */
(GClassInitFunc) ea_cal_view_class_init, /* class init */
(GClassFinalizeFunc) NULL, /* class finalize */
NULL, /* class data */
sizeof (EaCalView), /* instance size */
0, /* nb preallocs */
(GInstanceInitFunc) NULL, /* instance init */
NULL /* value table */
};
/*
* Figure out the size of the class and instance
* we are run-time deriving from (GailWidget, in this case)
*/
factory = atk_registry_get_factory (atk_get_default_registry (),
GTK_TYPE_WIDGET);
derived_atk_type = atk_object_factory_get_accessible_type (factory);
g_type_query (derived_atk_type, &query);
tinfo.class_size = query.class_size;
tinfo.instance_size = query.instance_size;
type = g_type_register_static (derived_atk_type,
"EaCalView", &tinfo, 0);
}
return type;
}
static void
ea_cal_view_class_init (EaCalViewClass *klass)
{
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
class->get_parent = ea_cal_view_get_parent;
class->get_index_in_parent = ea_cal_view_get_index_in_parent;
class->initialize = ea_cal_view_real_initialize;
}
AtkObject*
ea_cal_view_new (GtkWidget *widget)
{
GObject *object;
AtkObject *accessible;
g_return_val_if_fail (E_IS_CAL_VIEW (widget), NULL);
object = g_object_new (EA_TYPE_CAL_VIEW, NULL);
accessible = ATK_OBJECT (object);
atk_object_initialize (accessible, widget);
return accessible;
}
static void
ea_cal_view_real_initialize (AtkObject *accessible, gpointer data)
{
ECalView *cal_view;
GnomeCalendar *gcal;
g_return_if_fail (EA_IS_CAL_VIEW (accessible));
g_return_if_fail (E_IS_CAL_VIEW (data));
ATK_OBJECT_CLASS (parent_class)->initialize (accessible, data);
accessible->role = ATK_ROLE_CANVAS;
cal_view = E_CAL_VIEW (data);
/* add listener for event_changed, event_added
* we don't need to listen on event_removed. When the e_text
* of the event is removed, the cal_view_event will go to the state
* of "defunct" (changed by weak ref callback of atkgobjectaccessible
*/
g_signal_connect (G_OBJECT(cal_view), "event_changed",
G_CALLBACK (ea_cal_view_event_changed_cb), NULL);
g_signal_connect (G_OBJECT(cal_view), "event_added",
G_CALLBACK (ea_cal_view_event_added_cb), NULL);
/* listen for date changes of calendar */
gcal = e_cal_view_get_calendar (cal_view);
if (gcal)
g_signal_connect (gcal, "dates_shown_changed",
G_CALLBACK (ea_cal_view_dates_change_cb),
accessible);
}
static AtkObject*
ea_cal_view_get_parent (AtkObject *accessible)
{
ECalView *cal_view;
GnomeCalendar *gnomeCalendar;
g_return_val_if_fail (EA_IS_CAL_VIEW (accessible), NULL);
if (!GTK_ACCESSIBLE (accessible)->widget)
return NULL;
cal_view = E_CAL_VIEW (GTK_ACCESSIBLE (accessible)->widget);
gnomeCalendar = e_cal_view_get_calendar (cal_view);
return gtk_widget_get_accessible (GTK_WIDGET(gnomeCalendar));
}
static gint
ea_cal_view_get_index_in_parent (AtkObject *accessible)
{
return 1;
}
static void
ea_cal_view_event_changed_cb (ECalView *cal_view, ECalViewEvent *event,
gpointer data)
{
AtkObject *atk_obj;
EaCalView *ea_cal_view;
AtkObject *event_atk_obj = NULL;
g_return_if_fail (E_IS_CAL_VIEW (cal_view));
atk_obj = gtk_widget_get_accessible (GTK_WIDGET(cal_view));
if (!EA_IS_CAL_VIEW (atk_obj))
return;
ea_cal_view = EA_CAL_VIEW (atk_obj);
if ((E_IS_DAY_VIEW (cal_view)) && event && event->canvas_item) {
event_atk_obj =
ea_calendar_helpers_get_accessible_for (event->canvas_item);
}
else if ((E_IS_WEEK_VIEW (cal_view)) && event) {
EWeekViewEventSpan *span;
EWeekViewEvent *week_view_event = (EWeekViewEvent *)event;
EWeekView *week_view = E_WEEK_VIEW (cal_view);
/* get the first span of the event */
span = &g_array_index (week_view->spans, EWeekViewEventSpan,
week_view_event->spans_index);
if (span && span->text_item)
event_atk_obj = ea_calendar_helpers_get_accessible_for (span->text_item);
}
if (event_atk_obj) {
#ifdef ACC_DEBUG
printf ("AccDebug: event=%p changed\n", event);
#endif
g_object_notify (G_OBJECT(event_atk_obj), "accessible-name");
g_signal_emit_by_name (event_atk_obj, "visible_data_changed");
}
}
static void
ea_cal_view_event_added_cb (ECalView *cal_view, ECalViewEvent *event,
gpointer data)
{
AtkObject *atk_obj;
EaCalView *ea_cal_view;
AtkObject *event_atk_obj = NULL;
gint index;
g_return_if_fail (E_IS_CAL_VIEW (cal_view));
atk_obj = gtk_widget_get_accessible (GTK_WIDGET(cal_view));
if (!EA_IS_CAL_VIEW (atk_obj))
return;
ea_cal_view = EA_CAL_VIEW (atk_obj);
if ((E_IS_DAY_VIEW (cal_view)) && event && event->canvas_item) {
event_atk_obj =
ea_calendar_helpers_get_accessible_for (event->canvas_item);
}
else if ((E_IS_WEEK_VIEW (cal_view)) && event) {
EWeekViewEventSpan *span;
EWeekViewEvent *week_view_event = (EWeekViewEvent *)event;
EWeekView *week_view = E_WEEK_VIEW (cal_view);
/* get the first span of the event */
span = &g_array_index (week_view->spans, EWeekViewEventSpan,
week_view_event->spans_index);
if (span && span->text_item)
event_atk_obj = ea_calendar_helpers_get_accessible_for (span->text_item);
}
if (event_atk_obj) {
index = atk_object_get_index_in_parent (event_atk_obj);
if (index < 0)
return;
#ifdef ACC_DEBUG
printf ("AccDebug: event=%p added\n", event);
#endif
g_signal_emit_by_name (atk_obj, "children_changed::add",
index, event_atk_obj, NULL);
}
}
static void
ea_cal_view_dates_change_cb (GnomeCalendar *gcal, gpointer data)
{
AtkObject *atk_obj;
g_return_if_fail (GNOME_IS_CALENDAR (gcal));
g_return_if_fail (data);
g_return_if_fail (EA_IS_CAL_VIEW (data));
atk_obj = ATK_OBJECT(data);
if (atk_obj->name) {
g_free (atk_obj->name);
atk_obj->name = NULL;
}
g_object_notify (G_OBJECT (data), "accessible-name");
g_signal_emit_by_name (data, "visible_data_changed");
}
