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-rw-r--r--calendar/gui/a11y/ea-cal-view.c426
1 files changed, 426 insertions, 0 deletions
diff --git a/calendar/gui/a11y/ea-cal-view.c b/calendar/gui/a11y/ea-cal-view.c
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+/*
+ * 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/>
+ *
+ *
+ * Authors:
+ * Bolian Yin <bolian.yin@sun.com>
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#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 "goto.h"
+#include <glib.h>
+#include <glib/gi18n.h>
+
+static void ea_cal_view_class_init (EaCalViewClass *klass);
+
+static AtkObject* ea_cal_view_get_parent (AtkObject *accessible);
+static void ea_cal_view_real_initialize (AtkObject *accessible, gpointer data);
+
+static void ea_cal_view_event_changed_cb (ECalendarView *cal_view,
+ ECalendarViewEvent *event, gpointer data);
+static void ea_cal_view_event_added_cb (ECalendarView *cal_view,
+ ECalendarViewEvent *event, gpointer data);
+
+static gboolean idle_dates_changed (gpointer data);
+static void ea_cal_view_dates_change_cb (GnomeCalendar *gcal, gpointer data);
+
+static void atk_action_interface_init (AtkActionIface *iface);
+static gboolean action_interface_do_action (AtkAction *action, gint i);
+static gint action_interface_get_n_actions (AtkAction *action);
+static G_CONST_RETURN gchar*
+action_interface_get_description(AtkAction *action, gint i);
+static G_CONST_RETURN gchar*
+action_interface_get_keybinding (AtkAction *action, gint i);
+static G_CONST_RETURN gchar*
+action_interface_action_get_name(AtkAction *action, gint i);
+
+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 */
+ };
+
+ static const GInterfaceInfo atk_action_info = {
+ (GInterfaceInitFunc) atk_action_interface_init,
+ (GInterfaceFinalizeFunc) NULL,
+ NULL
+ };
+
+ /*
+ * 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);
+ g_type_add_interface_static (type, ATK_TYPE_ACTION,
+ &atk_action_info);
+ }
+
+ 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->initialize = ea_cal_view_real_initialize;
+}
+
+AtkObject*
+ea_cal_view_new (GtkWidget *widget)
+{
+ GObject *object;
+ AtkObject *accessible;
+
+ g_return_val_if_fail (E_IS_CALENDAR_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)
+{
+ ECalendarView *cal_view;
+ GnomeCalendar *gcal;
+ static AtkRole role = ATK_ROLE_INVALID;
+
+ g_return_if_fail (EA_IS_CAL_VIEW (accessible));
+ g_return_if_fail (E_IS_CALENDAR_VIEW (data));
+
+ ATK_OBJECT_CLASS (parent_class)->initialize (accessible, data);
+ if (role == ATK_ROLE_INVALID)
+ role = atk_role_register ("Calendar View");
+ accessible->role = role;
+ cal_view = E_CALENDAR_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_calendar_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)
+{
+ ECalendarView *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_CALENDAR_VIEW (GTK_ACCESSIBLE (accessible)->widget);
+
+ gnomeCalendar = e_calendar_view_get_calendar (cal_view);
+
+ return gtk_widget_get_accessible (GTK_WIDGET(gnomeCalendar));
+}
+
+static void
+ea_cal_view_event_changed_cb (ECalendarView *cal_view, ECalendarViewEvent *event,
+ gpointer data)
+{
+ AtkObject *atk_obj;
+ AtkObject *event_atk_obj = NULL;
+
+ g_return_if_fail (E_IS_CALENDAR_VIEW (cal_view));
+
+ atk_obj = gtk_widget_get_accessible (GTK_WIDGET(cal_view));
+ if (!EA_IS_CAL_VIEW (atk_obj))
+ return;
+
+ 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", (void *)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 (ECalendarView *cal_view, ECalendarViewEvent *event,
+ gpointer data)
+{
+ AtkObject *atk_obj;
+ AtkObject *event_atk_obj = NULL;
+ gint index;
+
+ g_return_if_fail (E_IS_CALENDAR_VIEW (cal_view));
+
+ atk_obj = gtk_widget_get_accessible (GTK_WIDGET(cal_view));
+ if (!EA_IS_CAL_VIEW (atk_obj))
+ return;
+
+ 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", (void *)event);
+#endif
+ g_signal_emit_by_name (atk_obj, "children_changed::add",
+ index, event_atk_obj, NULL);
+ }
+}
+
+static gboolean
+idle_dates_changed (gpointer data)
+{
+ AtkObject *ea_cal_view;
+
+ g_return_val_if_fail (data, FALSE);
+ g_return_val_if_fail (EA_IS_CAL_VIEW (data), FALSE);
+
+ ea_cal_view = ATK_OBJECT(data);
+
+ if (ea_cal_view->name) {
+ g_free (ea_cal_view->name);
+ ea_cal_view->name = NULL;
+ }
+ g_object_notify (G_OBJECT (ea_cal_view), "accessible-name");
+ g_signal_emit_by_name (ea_cal_view, "visible_data_changed");
+ g_signal_emit_by_name (ea_cal_view, "children_changed", NULL, NULL, NULL);
+#ifdef ACC_DEBUG
+ printf ("AccDebug: cal view date changed\n");
+#endif
+
+ return FALSE;
+}
+
+static void
+ea_cal_view_dates_change_cb (GnomeCalendar *gcal, gpointer data)
+{
+ g_idle_add (idle_dates_changed, data);
+}
+
+/* atk action interface */
+
+#define CAL_VIEW_ACTION_NUM 5
+
+static const char * action_name [CAL_VIEW_ACTION_NUM] = {
+ N_("New Appointment"),
+ N_("New All Day Event"),
+ N_("New Meeting"),
+ N_("Go to Today"),
+ N_("Go to Date")
+};
+
+static void
+atk_action_interface_init (AtkActionIface *iface)
+{
+ g_return_if_fail (iface != NULL);
+
+ iface->do_action = action_interface_do_action;
+ iface->get_n_actions = action_interface_get_n_actions;
+ iface->get_description = action_interface_get_description;
+ iface->get_keybinding = action_interface_get_keybinding;
+ iface->get_name = action_interface_action_get_name;
+}
+
+static gboolean
+action_interface_do_action (AtkAction *action, gint index)
+{
+ GtkWidget *widget;
+ gboolean return_value = TRUE;
+ time_t dtstart, dtend;
+ ECalendarView *cal_view;
+
+ widget = GTK_ACCESSIBLE (action)->widget;
+ if (widget == NULL)
+ /*
+ * State is defunct
+ */
+ return FALSE;
+
+ if (!GTK_WIDGET_IS_SENSITIVE (widget) || !GTK_WIDGET_VISIBLE (widget))
+ return FALSE;
+
+ cal_view = E_CALENDAR_VIEW (widget);
+ switch (index) {
+ case 0:
+ /* New Appointment */
+ e_calendar_view_new_appointment (cal_view);
+ break;
+ case 1:
+ /* New All Day Event */
+ e_calendar_view_get_selected_time_range (cal_view,
+ &dtstart, &dtend);
+ e_calendar_view_new_appointment_for (cal_view,
+ dtstart, dtend, TRUE, FALSE);
+ break;
+ case 2:
+ /* New Meeting */
+ e_calendar_view_get_selected_time_range (cal_view,
+ &dtstart, &dtend);
+ e_calendar_view_new_appointment_for (cal_view,
+ dtstart, dtend, FALSE, TRUE);
+ break;
+ case 3:
+ /* Go to today */
+ break;
+ calendar_goto_today (e_calendar_view_get_calendar (cal_view));
+ case 4:
+ /* Go to date */
+ goto_dialog (e_calendar_view_get_calendar (cal_view));
+ break;
+ default:
+ return_value = FALSE;
+ break;
+ }
+ return return_value;
+}
+
+static gint
+action_interface_get_n_actions (AtkAction *action)
+{
+ return CAL_VIEW_ACTION_NUM;
+}
+
+static G_CONST_RETURN gchar*
+action_interface_get_description(AtkAction *action, gint index)
+{
+ return action_interface_action_get_name (action, index);
+}
+
+static G_CONST_RETURN gchar*
+action_interface_get_keybinding (AtkAction *action, gint index)
+{
+ GtkWidget *widget;
+
+ widget = GTK_ACCESSIBLE (action)->widget;
+ if (widget == NULL)
+ /*
+ * State is defunct
+ */
+ return NULL;
+
+ if (!GTK_WIDGET_IS_SENSITIVE (widget) || !GTK_WIDGET_VISIBLE (widget))
+ return NULL;
+
+ switch (index) {
+ case 0:
+ /* New Appointment */
+ return "<Alt>fna;<Control>n";
+ case 1:
+ /* New Event */
+ return "<Alt>fnd;<Shift><Control>d";
+ case 2:
+ /* New Meeting */
+ return "<Alt>fne;<Shift><Control>e";
+ case 3:
+ /* Go to today */
+ return "<Alt>vt;<Alt><Control>t";
+ case 4:
+ /* Go to date */
+ return "<Alt>vd;<Alt><Control>g";
+ default:
+ break;
+ }
+ return NULL;
+}
+
+static G_CONST_RETURN gchar*
+action_interface_action_get_name(AtkAction *action, gint i)
+{
+ if (i >= 0 && i < CAL_VIEW_ACTION_NUM)
+ return action_name [i];
+ return NULL;
+}