path: root/calendar/gui/calendar-component.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/>
 *
 *
 * Authors:
 *      Ettore Perazzoli <ettore@ximian.com>
 *      Rodrigo Moya <rodrigo@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>
#include <errno.h>
#include <glib/gi18n-lib.h>
#include <bonobo/bonobo-control.h>
#include <bonobo/bonobo-exception.h>
#include <libical/icalvcal.h>
#include <libedataserver/e-data-server-util.h>
#include <libedataserver/e-url.h>
#include <libecal/e-cal-time-util.h>
#include <libedataserverui/e-source-selector.h>
#include <shell/e-user-creatable-items-handler.h>
#include <shell/e-component-view.h>
#include "e-calendar-view.h"
#include "calendar-config-keys.h"
#include "calendar-config.h"
#include "calendar-component.h"
#include "calendar-commands.h"
#include "control-factory.h"
#include "gnome-cal.h"
#include "migration.h"
#include "e-comp-editor-registry.h"
#include "comp-util.h"
#include "common/authentication.h"
#include "dialogs/calendar-setup.h"
#include "dialogs/comp-editor.h"
#include "dialogs/copy-source-dialog.h"
#include "dialogs/event-editor.h"
#include "misc/e-info-label.h"
#include "e-util/e-non-intrusive-error-dialog.h"
#include "e-util/gconf-bridge.h"
#include "e-util/e-error.h"
#include "e-cal-menu.h"
#include "e-cal-popup.h"
#include "e-attachment-handler-calendar.h"

/* IDs for user creatable items */
#define CREATE_EVENT_ID        "event"
#define CREATE_MEETING_ID      "meeting"
#define CREATE_ALLDAY_EVENT_ID "allday-event"
#define CREATE_CALENDAR_ID      "calendar"
#define CALENDAR_ERROR_LEVEL_KEY "/apps/evolution/calendar/display/error_level"
#define CALENDAR_ERROR_TIME_OUT_KEY "/apps/evolution/calendar/display/error_timeout"

static BonoboObjectClass *parent_class = NULL;

typedef struct
{
    ESourceList *source_list;
    ESourceList *task_source_list;
    ESourceList *memo_source_list;

    GSList *source_selection;
    GSList *task_source_selection;
    GSList *memo_source_selection;

    GnomeCalendar *calendar;

    GtkWidget *source_selector;

    BonoboControl *view_control;

    GList *notifications;

    gfloat       vpane_pos;
} CalendarComponentView;

struct _CalendarComponentPrivate {

    gint gconf_notify_id;

    ESourceList *source_list;
    ESourceList *task_source_list;
    ESourceList *memo_source_list;

    EActivityHandler *activity_handler;
        ELogger *logger;

    GList *views;

    ECal *create_ecal;

    GList *notifications;
};

static void
calcomp_vpane_realized (GtkWidget *vpane, CalendarComponentView *view)
{
    gtk_paned_set_position (GTK_PANED (vpane), (gint)(view->vpane_pos*vpane->allocation.height));

}

static gboolean
calcomp_vpane_resized (GtkWidget *vpane, GdkEventButton *e, CalendarComponentView *view)
{

    view->vpane_pos = gtk_paned_get_position (GTK_PANED (vpane));
    calendar_config_set_tag_vpane_pos (view->vpane_pos/(gfloat)vpane->allocation.height);

    return FALSE;
}

<<<<<<< HEAD:calendar/gui/calendar-component.c
=======
static void
ensure_sources (CalendarComponent *component)
{
    ESourceList *source_list;
    ESourceGroup *on_this_computer;
    ESourceGroup *contacts;
    ESource *personal_source;
    ESource *birthdays_source;
    gchar *base_uri, *base_uri_proto, base_uri_proto_seventh;
    const gchar *base_dir;
    gchar *create_source;

    personal_source = NULL;
    birthdays_source = NULL;

    if (!e_cal_get_sources (&source_list, E_CAL_SOURCE_TYPE_EVENT, NULL)) {
        g_warning ("Could not get calendar source list from GConf!");
        return;
    }

    base_dir = calendar_component_peek_base_directory (component);
    base_uri = g_build_filename (base_dir, "local", NULL);

    base_uri_proto = g_filename_to_uri (base_uri, NULL, NULL);
    if (strlen (base_uri_proto) > 7) {
        /* compare only file:// part. If user home dir name changes we do not want to create
           one more group  */
        base_uri_proto_seventh = base_uri_proto[7];
        base_uri_proto[7] = 0;
    } else {
        base_uri_proto_seventh = -1;
    }

    on_this_computer = e_source_list_ensure_group (source_list, _("On This Computer"), base_uri_proto, TRUE);
    contacts = e_source_list_ensure_group (source_list, _("Contacts"), CONTACTS_BASE_URI, TRUE);
    e_source_list_ensure_group (source_list, _("On The Web"), WEB_BASE_URI, FALSE);
    e_source_list_ensure_group (source_list, _("Weather"), WEATHER_BASE_URI, FALSE);

    if (base_uri_proto_seventh != -1) {
        base_uri_proto[7] = base_uri_proto_seventh;
    }

    if (on_this_computer) {
        /* make sure "Personal" shows up as a source under
           this group */
        GSList *sources = e_source_group_peek_sources (on_this_computer);
        GSList *s;
        for (s = sources; s; s = s->next) {
            ESource *source = E_SOURCE (s->data);
            const gchar *relative_uri;

            relative_uri = e_source_peek_relative_uri (source);
            if (relative_uri == NULL)
                continue;
            if (!strcmp (PERSONAL_RELATIVE_URI, relative_uri)) {
                personal_source = source;
                break;
            }
        }
        /* Make sure we have the correct base uri. This can change when user's
           homedir name changes */
        if (strcmp (base_uri_proto, e_source_group_peek_base_uri (on_this_computer))) {
            e_source_group_set_base_uri (on_this_computer, base_uri_proto);

            /* *sigh* . We shouldn't  need this sync call here as set_base_uri
               call results in synching to gconf, but that happens in idle loop
               and too late to prevent user seeing "Can not Open ... because of invalid uri" error.*/
            e_source_list_sync (source_list,NULL);
        }
    }

    if (personal_source) {
        /* ensure the source name is in current locale, not read from configuration */
        e_source_set_name (personal_source, _("Personal"));
    } else {
        gchar *primary_calendar = calendar_config_get_primary_calendar();
        GSList *calendars_selected;

        /* Create the default Person addressbook */
        personal_source = e_source_new (_("Personal"), PERSONAL_RELATIVE_URI);
        e_source_group_add_source (on_this_computer, personal_source, -1);
        g_object_unref (personal_source);

        calendars_selected = calendar_config_get_calendars_selected ();
        if (!primary_calendar && !calendars_selected) {
            GSList selected;

            calendar_config_set_primary_calendar (e_source_peek_uid (personal_source));

            selected.data = (gpointer)e_source_peek_uid (personal_source);
            selected.next = NULL;
            calendar_config_set_calendars_selected (&selected);
        }

        if (calendars_selected) {
            g_slist_foreach (calendars_selected, (GFunc) g_free, NULL);
            g_slist_free (calendars_selected);
        }

        g_free (primary_calendar);
        e_source_set_color_spec (personal_source, "#BECEDD");
    }

    if (contacts) {
        GSList *sources = e_source_group_peek_sources (contacts);
        if (sources) {
            birthdays_source = E_SOURCE (sources->data); /* There is only one source under Contacts Group*/

            if (sources->next) {
                /* Ensure we have only one contacts source - we was able to create more than one before */
                GSList *l = NULL, *p;

                for (p = sources->next; p; p = p->next)
                    l = g_slist_prepend (l, p->data);

                for (p = l; p; p = p->next)
                    e_source_group_remove_source (contacts, p->data);

                g_slist_free (l);
            }
        }
    }

    create_source = e_source_group_get_property (contacts, "create_source");
    if (!create_source)
        e_source_group_set_property (contacts, "create_source", "no");
    g_free (create_source);

    if (birthdays_source) {
        /* ensure the source name is in current locale, not read from configuration */
        e_source_set_name (birthdays_source, _("Birthdays & Anniversaries"));
    } else {
        birthdays_source = e_source_new (_("Birthdays & Anniversaries"), "/");
        e_source_group_add_source (contacts, birthdays_source, -1);
        g_object_unref (birthdays_source);
    }

    if (!e_source_get_property (birthdays_source, "delete"))
        e_source_set_property(birthdays_source, "delete", "no");

    if (e_source_peek_color_spec (birthdays_source) == NULL)
        e_source_set_color_spec (birthdays_source, "#DDBECE");

    component->priv->source_list = source_list;

    g_object_unref (on_this_computer);
    g_object_unref (contacts);
    g_free (base_uri_proto);
    g_free (base_uri);
}

>>>>>>> master:calendar/gui/calendar-component.c
/* Utility functions.  */

static gboolean
is_in_selection (GSList *selection, ESource *source)
{
    GSList *l;

    for (l = selection; l; l = l->next) {
        ESource *selected_source = l->data;

        if (!strcmp (e_source_peek_uid (selected_source), e_source_peek_uid (source)))
            return TRUE;
    }

    return FALSE;
}

static gboolean
is_in_uids (GSList *uids, ESource *source)
{
    GSList *l;

    for (l = uids; l; l = l->next) {
        const gchar *uid = l->data;

        if (!strcmp (uid, e_source_peek_uid (source)))
            return TRUE;
    }

    return FALSE;
}

static void
update_task_memo_selection (CalendarComponentView *component_view, ECalSourceType type)
{
    GSList *uids_selected, *l, *source_selection;
    ESourceList *source_list = NULL;

    if (type == E_CAL_SOURCE_TYPE_TODO) {
        /* Get the selection in gconf */
        uids_selected = calendar_config_get_tasks_selected ();
        source_list = component_view->task_source_list;
        source_selection = component_view->task_source_selection;
    } else {
        uids_selected = calendar_config_get_memos_selected ();
        source_list = component_view->memo_source_list;
        source_selection = component_view->memo_source_selection;
    }

    /* Remove any that aren't there any more */
    for (l = source_selection; l; l = l->next) {
        gchar *uid = l->data;
        ESource *source;

        source = e_source_list_peek_source_by_uid (component_view->source_list, uid);
        if (!source)
            gnome_calendar_remove_source_by_uid (component_view->calendar, type, uid);
        else if (!is_in_uids (uids_selected, source))
            gnome_calendar_remove_source (component_view->calendar, type, source);

        g_free (uid);
    }
    g_slist_free (source_selection);

    /* Make sure the whole selection is there */
    for (l = uids_selected; l; l = l->next) {
        gchar *uid = l->data;
        ESource *source;

        source = e_source_list_peek_source_by_uid (source_list, uid);
        if (source && !gnome_calendar_add_source (component_view->calendar, type, source)) {
            /* FIXME do something */;
        }
    }

    if (type == E_CAL_SOURCE_TYPE_TODO)
        component_view->task_source_selection = uids_selected;
    else
        component_view->memo_source_selection = uids_selected;
}

static void
update_primary_task_memo_selection (CalendarComponentView *component_view, ECalSourceType type)
{
    ESource *source = NULL;
    gchar *uid;
    ESourceList *source_list = NULL;

    if (type == E_CAL_SOURCE_TYPE_TODO) {
        uid = calendar_config_get_primary_tasks ();
        source_list = component_view->task_source_list;
    } else {
        uid = calendar_config_get_primary_memos ();
        source_list = component_view->memo_source_list;
    }

    if (uid) {
        source = e_source_list_peek_source_by_uid (source_list, uid);

        g_free (uid);
    }

    if (source)
        gnome_calendar_set_default_source (component_view->calendar, type, source);
}

static void
config_primary_selection_changed_cb (GConfClient *client, guint id, GConfEntry *entry, gpointer data)
{
    CalendarComponent *calendar_component = data;
    CalendarComponentPrivate *priv = calendar_component->priv;

    if (priv->create_ecal) {
        g_object_unref (priv->create_ecal);
        priv->create_ecal = NULL;
    }
}

static void
config_tasks_selection_changed_cb (GConfClient *client, guint id, GConfEntry *entry, gpointer data)
{
    update_task_memo_selection (data, E_CAL_SOURCE_TYPE_TODO);
}

static void
config_primary_tasks_selection_changed_cb (GConfClient *client, guint id, GConfEntry *entry, gpointer data)
{
    update_primary_task_memo_selection (data, E_CAL_SOURCE_TYPE_TODO);
}

static void
config_memos_selection_changed_cb (GConfClient *client, guint id, GConfEntry *entry, gpointer data)
{
    update_task_memo_selection (data, E_CAL_SOURCE_TYPE_JOURNAL);
}

static void
config_primary_memos_selection_changed_cb (GConfClient *client, guint id, GConfEntry *entry, gpointer data)
{
    update_primary_task_memo_selection (data, E_CAL_SOURCE_TYPE_JOURNAL);
}

/* Evolution::Component CORBA methods.  */
static void
impl_handleURI (PortableServer_Servant servant, const gchar *uri, CORBA_Environment *ev)
{
    CalendarComponent *calendar_component = CALENDAR_COMPONENT (bonobo_object_from_servant (servant));
    CalendarComponentPrivate *priv;
    GList *l;
    CalendarComponentView *view = NULL;
    gchar *src_uid = NULL;
    gchar *uid = NULL;
    gchar *rid = NULL;

    priv = calendar_component->priv;

    l = g_list_last (priv->views);
    if (!l)
        return;

    view = l->data;

    if (!strncmp (uri, "calendar:", 9)) {
        EUri *euri = e_uri_new (uri);
        const gchar *p;
        gchar *header, *content;
        gsize len, clen;
        time_t start = -1, end = -1;

        p = euri->query;
        if (p) {
            while (*p) {
                len = strcspn (p, "=&");

                /* If it's malformed, give up. */
                if (p[len] != '=')
                    break;

                header = (gchar *) p;
                header[len] = '\0';
                p += len + 1;

                clen = strcspn (p, "&");

                content = g_strndup (p, clen);

                if (!g_ascii_strcasecmp (header, "startdate")) {
                    start = time_from_isodate (content);
                } else if (!g_ascii_strcasecmp (header, "enddate")) {
                    end = time_from_isodate (content);
                } else if (!g_ascii_strcasecmp (header, "source-uid")) {
                    src_uid = g_strdup (content);
                } else if (!g_ascii_strcasecmp (header, "comp-uid")) {
                    uid = g_strdup (content);
                } else if (!g_ascii_strcasecmp (header, "comp-rid")) {
                    rid = g_strdup (content);
                }

                g_free (content);

                p += clen;
                if (*p == '&') {
                    p++;
                    if (!strcmp (p, "amp;"))
                        p += 4;
                }
            }

            if (start != -1) {

                if (end == -1)
                    end = start;
                    gnome_calendar_set_selected_time_range (view->calendar, start, end);
            }
            if (src_uid && uid)
                gnome_calendar_edit_appointment (view->calendar, src_uid, uid, rid);

            g_free (src_uid);
            g_free (uid);
            g_free (rid);
        }
        e_uri_free (euri);
    }
}

static void
config_create_ecal_changed_cb (GConfClient *client, guint id, GConfEntry *entry, gpointer data)
{
    CalendarComponent *calendar_component = data;
    CalendarComponentPrivate *priv;

    priv = calendar_component->priv;

    g_object_unref (priv->create_ecal);
    priv->create_ecal = NULL;

    priv->notifications = g_list_remove (priv->notifications, GUINT_TO_POINTER (id));
}

static ECal *
setup_create_ecal (CalendarComponent *calendar_component, CalendarComponentView *component_view)
{
    CalendarComponentPrivate *priv;
    ESource *source = NULL;
    gchar *uid;
    guint not;

    priv = calendar_component->priv;

    /* Try to use the client from the calendar first to avoid re-opening things */
    if (component_view) {
        ECal *default_ecal;

        default_ecal = gnome_calendar_get_default_client (component_view->calendar);
        if (default_ecal)
            return default_ecal;
    }

    /* If there is an existing fall back, use that */
    if (priv->create_ecal)
        return priv->create_ecal;

    /* Get the current primary calendar, or try to set one if it doesn't already exist */
    uid = calendar_config_get_primary_calendar ();
    if (uid) {
        source = e_source_list_peek_source_by_uid (priv->source_list, uid);
        g_free (uid);

        priv->create_ecal = auth_new_cal_from_source (source, E_CAL_SOURCE_TYPE_EVENT);
    }

    if (!priv->create_ecal) {
        /* Try to create a default if there isn't one */
        source = e_source_list_peek_source_any (priv->source_list);
        if (source)
            priv->create_ecal = auth_new_cal_from_source (source, E_CAL_SOURCE_TYPE_EVENT);
    }

    if (priv->create_ecal) {
        icaltimezone *zone;

        zone = calendar_config_get_icaltimezone ();
        e_cal_set_default_timezone (priv->create_ecal, zone, NULL);

        if (!e_cal_open (priv->create_ecal, FALSE, NULL)) {
            GtkWidget *dialog;

            dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL,
                             GTK_MESSAGE_WARNING, GTK_BUTTONS_OK,
                             _("Unable to open the calendar '%s' for creating events and meetings"),
                             e_source_peek_name (source));

            gtk_dialog_run (GTK_DIALOG (dialog));
            gtk_widget_destroy (dialog);
            g_object_unref (priv->create_ecal);
            priv->create_ecal = NULL;

            return NULL;
        }

    } else {
        GtkWidget *dialog;

        dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL,
                         GTK_MESSAGE_WARNING, GTK_BUTTONS_OK,
                         _("There is no calendar available for creating events and meetings"));
        gtk_dialog_run (GTK_DIALOG (dialog));
        gtk_widget_destroy (dialog);

        return NULL;
    }

    /* Handle the fact it may change on us */
    not = calendar_config_add_notification_primary_calendar (config_create_ecal_changed_cb,
                                 calendar_component);
    priv->notifications = g_list_prepend (priv->notifications, GUINT_TO_POINTER (not));

    /* Save the primary source for use elsewhere */
    calendar_config_set_primary_calendar (e_source_peek_uid (source));

    return priv->create_ecal;
}

static CalendarComponentView *
create_component_view (CalendarComponent *calendar_component)
{
    CalendarComponentPrivate *priv;
    CalendarComponentView *component_view;
    GtkWidget **vpane;
    guint not;

    priv = calendar_component->priv;

    /* Create the calendar component view */
    component_view = g_new0 (CalendarComponentView, 1);

    vpane = gtk_vpaned_new ();
    g_signal_connect_after (vpane, "realize",
                G_CALLBACK(calcomp_vpane_realized), component_view);
    g_signal_connect (vpane, "button_release_event",
              G_CALLBACK (calcomp_vpane_resized), component_view);
    gtk_widget_show (vpane);
    /* Add the source lists */
    component_view->source_list = g_object_ref (priv->source_list);
    component_view->task_source_list = g_object_ref (priv->task_source_list);
    component_view->memo_source_list = g_object_ref (priv->memo_source_list);
    /* Create sidebar selector */
    component_view->source_selector = e_source_selector_new (calendar_component->priv->source_list);
    g_signal_connect (
        component_view->source_selector, "data-dropped",
        G_CALLBACK (selector_tree_data_dropped), calendar_component);

    gtk_drag_dest_set(component_view->source_selector, GTK_DEST_DEFAULT_ALL, drag_types,
              num_drag_types, GDK_ACTION_COPY | GDK_ACTION_MOVE);

    gtk_widget_show (component_view->source_selector);

    selector_scrolled_window = gtk_scrolled_window_new (NULL, NULL);
    gtk_container_add (GTK_CONTAINER (selector_scrolled_window), component_view->source_selector);
    gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (selector_scrolled_window),
                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
    gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (selector_scrolled_window),
                         GTK_SHADOW_IN);
    gtk_widget_show (selector_scrolled_window);

    component_view->info_label = (EInfoLabel *)e_info_label_new("x-office-calendar");
    e_info_label_set_info (component_view->info_label, _("Calendars"), "");
    gtk_widget_show (GTK_WIDGET (component_view->info_label));

    vbox = gtk_vbox_new(FALSE, 0);
    gtk_box_pack_start(GTK_BOX (vbox), GTK_WIDGET (component_view->info_label), FALSE, TRUE, 0);
    gtk_box_pack_start(GTK_BOX (vbox), selector_scrolled_window, TRUE, TRUE, 0);
    gtk_widget_show (vbox);

    gtk_paned_pack1 (GTK_PANED (vpane), vbox, FALSE, FALSE);

    component_view->sidebar_control = bonobo_control_new (vpane);

    /* Create main view */
    component_view->view_control = control_factory_new_control ();
    if (!component_view->view_control) {
        /* FIXME free memory */

        return NULL;
    }

    component_view->calendar = (GnomeCalendar *) bonobo_control_get_widget (component_view->view_control);

    gtk_paned_pack2 (GTK_PANED (vpane), gnome_calendar_get_tag (component_view->calendar), FALSE, FALSE);

    /* This signal is thrown if backends die - we update the selector */
    g_signal_connect (component_view->calendar, "source_added",
              G_CALLBACK (source_added_cb), component_view);
    g_signal_connect (component_view->calendar, "source_removed",
              G_CALLBACK (source_removed_cb), component_view);

    /* Create status bar */
    statusbar_widget = e_task_bar_new ();
    component_view->activity_handler = e_activity_handler_new ();
    e_activity_handler_attach_task_bar (component_view->activity_handler, E_TASK_BAR (statusbar_widget));
    e_activity_handler_attach_task_bar (priv->activity_handler, E_TASK_BAR (statusbar_widget));

    gtk_widget_show (statusbar_widget);

    component_view->statusbar_control = bonobo_control_new (statusbar_widget);

    gnome_calendar_set_activity_handler (component_view->calendar, component_view->activity_handler);

    /* connect after setting the initial selections, or we'll get unwanted calls
       to calendar_control_sensitize_calendar_commands */
    g_signal_connect (component_view->source_selector, "selection_changed",
              G_CALLBACK (source_selection_changed_cb), component_view);
    g_signal_connect (component_view->source_selector, "primary_selection_changed",
              G_CALLBACK (primary_source_selection_changed_cb), component_view);
    g_signal_connect (component_view->source_selector, "popup_event",
              G_CALLBACK (popup_event_cb), component_view);

>>>>>>> 23df769955ea54f756a579c19964df87ae6fd5c8:calendar/gui/calendar-component.c
    /* Set up the "new" item handler */
    g_signal_connect (component_view->view_control, "activate", G_CALLBACK (control_activate_cb), component_view);

    /* Load the selection from the last run */
    update_task_memo_selection (component_view, E_CAL_SOURCE_TYPE_TODO);
    update_primary_task_memo_selection (component_view, E_CAL_SOURCE_TYPE_TODO);
    update_task_memo_selection (component_view, E_CAL_SOURCE_TYPE_JOURNAL);
    update_primary_task_memo_selection (component_view, E_CAL_SOURCE_TYPE_JOURNAL);

    /* If the tasks/memos selection changes elsewhere, update it for the mini
       mini tasks view sidebar */
    not = calendar_config_add_notification_tasks_selected (config_tasks_selection_changed_cb,
                                   component_view);
    component_view->notifications = g_list_prepend (component_view->notifications, GUINT_TO_POINTER (not));

    not = calendar_config_add_notification_memos_selected (config_memos_selection_changed_cb,
                                   component_view);
    component_view->notifications = g_list_prepend (component_view->notifications, GUINT_TO_POINTER (not));

    not = calendar_config_add_notification_primary_tasks (config_primary_tasks_selection_changed_cb,
                                  component_view);
    component_view->notifications = g_list_prepend (component_view->notifications, GUINT_TO_POINTER (not));

    not = calendar_config_add_notification_primary_memos (config_primary_memos_selection_changed_cb,
                                  component_view);
    component_view->notifications = g_list_prepend (component_view->notifications, GUINT_TO_POINTER (not));

    return component_view;
}

static void
destroy_component_view (CalendarComponentView *component_view)
{
    GList *l;

    if (component_view->source_list)
        g_object_unref (component_view->source_list);

    if (component_view->task_source_list)
        g_object_unref (component_view->task_source_list);

    if (component_view->memo_source_list)
        g_object_unref (component_view->memo_source_list);

    if (component_view->source_selection)
        e_source_selector_free_selection (component_view->source_selection);

    for (l = component_view->notifications; l; l = l->next)
        calendar_config_remove_notification (GPOINTER_TO_UINT (l->data));
    g_list_free (component_view->notifications);

    if (component_view->task_source_selection) {
        g_slist_foreach (component_view->task_source_selection, (GFunc) g_free, NULL);
        g_slist_free (component_view->task_source_selection);
    }

    if (component_view->memo_source_selection) {
        g_slist_foreach (component_view->memo_source_selection, (GFunc) g_free, NULL);
        g_slist_free (component_view->memo_source_selection);
    }

    g_free (component_view);
}

static void
view_destroyed_cb (gpointer data, GObject *where_the_object_was)
{
    CalendarComponent *calendar_component = data;
    CalendarComponentPrivate *priv;
    GList *l;

    priv = calendar_component->priv;

    for (l = priv->views; l; l = l->next) {
        CalendarComponentView *component_view = l->data;

        if (G_OBJECT (component_view->view_control) == where_the_object_was) {
            priv->views = g_list_remove (priv->views, component_view);
            destroy_component_view (component_view);

            break;
        }
    }
}

/* GObject methods.  */

static void
impl_dispose (GObject *object)
{
    CalendarComponent *calendar_component = CALENDAR_COMPONENT (object);
    CalendarComponentPrivate *priv = calendar_component->priv;
    GList *l;

    if (priv->source_list != NULL) {
        g_object_unref (priv->source_list);
        priv->source_list = NULL;
    }

    if (priv->activity_handler != NULL) {
        g_object_unref (priv->activity_handler);
        priv->activity_handler = NULL;
    }

    if (priv->activity_handler != NULL) {
        g_object_unref (priv->activity_handler);
        priv->activity_handler = NULL;
    }

    if (priv->create_ecal) {
        g_object_unref (priv->create_ecal);
        priv->create_ecal = NULL;
    }

    for (l = priv->views; l; l = l->next) {
        CalendarComponentView *component_view = l->data;

        g_object_weak_unref (G_OBJECT (component_view->view_control), view_destroyed_cb, calendar_component);
    }
    g_list_free (priv->views);
    priv->views = NULL;

    for (l = priv->notifications; l; l = l->next)
        calendar_config_remove_notification (GPOINTER_TO_UINT (l->data));
    g_list_free (priv->notifications);
    priv->notifications = NULL;

    (* G_OBJECT_CLASS (parent_class)->dispose) (object);
}

static void
calendar_component_class_init (CalendarComponentClass *class)
{
    POA_GNOME_Evolution_Component__epv *epv = &class->epv;
    GObjectClass *object_class = G_OBJECT_CLASS (class);

    bindtextdomain (GETTEXT_PACKAGE, EVOLUTION_LOCALEDIR);
    bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");

    parent_class = g_type_class_peek_parent (class);

    epv->handleURI               = impl_handleURI;

    object_class->dispose  = impl_dispose;
}

static void
calendar_component_init (CalendarComponent *component)
{
    CalendarComponentPrivate *priv;
    guint not;

    not = calendar_config_add_notification_primary_calendar (config_primary_selection_changed_cb,
                                 component);
    priv->notifications = g_list_prepend (priv->notifications, GUINT_TO_POINTER (not));

    priv->logger = e_logger_create ("calendar");
    priv->activity_handler = e_activity_handler_new ();
    e_activity_handler_set_logger (priv->activity_handler, priv->logger);
    e_activity_handler_set_error_flush_time (priv->activity_handler,eni_config_get_error_timeout (CALENDAR_ERROR_TIME_OUT_KEY)*1000);

    component->priv = priv;

    e_cal_get_sources (&priv->task_source_list, E_CAL_SOURCE_TYPE_TODO, NULL);
    e_cal_get_sources (&priv->memo_source_list, E_CAL_SOURCE_TYPE_JOURNAL, NULL);
}