path: root/calendar/gui/e-calendar-selector.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-calendar-selector.c
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 * 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., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include <config.h>

#include "e-calendar-selector.h"

#include <libecal/libecal.h>

#include "e-util/e-selection.h"

#define E_CALENDAR_SELECTOR_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_CALENDAR_SELECTOR, ECalendarSelectorPrivate))

struct _ECalendarSelectorPrivate {
    gint dummy_value;
};

G_DEFINE_TYPE (
    ECalendarSelector,
    e_calendar_selector,
    E_TYPE_SOURCE_SELECTOR)

static gboolean
calendar_selector_update_single_object (ECalClient *client,
                                        icalcomponent *icalcomp)
{
    gchar *uid;
    icalcomponent *tmp_icalcomp;

    uid = (gchar *) icalcomponent_get_uid (icalcomp);

    if (e_cal_client_get_object_sync (client, uid, NULL, &tmp_icalcomp, NULL, NULL)) {
        icalcomponent_free (tmp_icalcomp);

        return e_cal_client_modify_object_sync (
            client, icalcomp, CALOBJ_MOD_ALL, NULL, NULL);
    }

    uid = NULL;
    if (!e_cal_client_create_object_sync (client, icalcomp, &uid, NULL, NULL))
        return FALSE;

    if (uid)
        icalcomponent_set_uid (icalcomp, uid);
    g_free (uid);

    return TRUE;
}

static gboolean
calendar_selector_update_objects (ECalClient *client,
                                  icalcomponent *icalcomp)
{
    icalcomponent *subcomp;
    icalcomponent_kind kind;

    kind = icalcomponent_isa (icalcomp);
    if (kind == ICAL_VTODO_COMPONENT || kind == ICAL_VEVENT_COMPONENT)
        return calendar_selector_update_single_object (
            client, icalcomp);
    else if (kind != ICAL_VCALENDAR_COMPONENT)
        return FALSE;

    subcomp = icalcomponent_get_first_component (
        icalcomp, ICAL_ANY_COMPONENT);
    while (subcomp != NULL) {
        gboolean success;

        kind = icalcomponent_isa (subcomp);
        if (kind == ICAL_VTIMEZONE_COMPONENT) {
            icaltimezone *zone;
            GError *error = NULL;

            zone = icaltimezone_new ();
            icaltimezone_set_component (zone, subcomp);

            e_cal_client_add_timezone_sync (client, zone, NULL, &error);
            icaltimezone_free (zone, 1);

            if (error != NULL) {
                g_warning (
                    "%s: Failed to add timezone: %s",
                    G_STRFUNC, error->message);
                g_error_free (error);
                return FALSE;
            }
        } else if (kind == ICAL_VTODO_COMPONENT ||
            kind == ICAL_VEVENT_COMPONENT) {
            success = calendar_selector_update_single_object (
                client, subcomp);
            if (!success)
                return FALSE;
        }

        subcomp = icalcomponent_get_next_component (
            icalcomp, ICAL_ANY_COMPONENT);
    }

    return TRUE;
}

static void
client_opened_cb (GObject *source_object,
                  GAsyncResult *result,
                  gpointer user_data)
{
    ESource *source = E_SOURCE (source_object);
    EClient *client = NULL;
    icalcomponent *icalcomp = user_data;
    GError *error = NULL;

    g_return_if_fail (icalcomp != NULL);

    e_client_utils_open_new_finish (source, result, &client, &error);

    if (error != NULL) {
        g_warn_if_fail (client == NULL);
        g_warning (
            "%s: Failed to open client: %s",
            G_STRFUNC, error->message);
        g_error_free (error);
    }

    g_return_if_fail (E_IS_CLIENT (client));

    calendar_selector_update_objects (E_CAL_CLIENT (client), icalcomp);
    g_object_unref (client);

    icalcomponent_free (icalcomp);
}

static void
calendar_selector_constructed (GObject *object)
{
    ESourceSelector *selector;
    ESourceRegistry *registry;
    ESource *source;

    selector = E_SOURCE_SELECTOR (object);
    registry = e_source_selector_get_registry (selector);
    source = e_source_registry_ref_default_calendar (registry);
    e_source_selector_set_primary_selection (selector, source);
    g_object_unref (source);

    /* Chain up to parent's constructed() method. */
    G_OBJECT_CLASS (e_calendar_selector_parent_class)->
        constructed (object);
}

static gboolean
calendar_selector_data_dropped (ESourceSelector *selector,
                                GtkSelectionData *selection_data,
                                ESource *destination,
                                GdkDragAction action,
                                guint info)
{
    GtkTreePath *path = NULL;
    icalcomponent *icalcomp;
    const guchar *data;
    gboolean success = FALSE;
    gpointer object = NULL;

    data = gtk_selection_data_get_data (selection_data);
    icalcomp = icalparser_parse_string ((const gchar *) data);

    if (icalcomp == NULL)
        goto exit;

    /* FIXME Deal with GDK_ACTION_ASK. */
    if (action == GDK_ACTION_COPY) {
        gchar *uid;

        uid = e_cal_component_gen_uid ();
        icalcomponent_set_uid (icalcomp, uid);
    }

    e_client_utils_open_new (
        destination, E_CLIENT_SOURCE_TYPE_EVENTS, FALSE, NULL,
        client_opened_cb, icalcomp);

    success = TRUE;

exit:
    if (path != NULL)
        gtk_tree_path_free (path);

    if (object != NULL)
        g_object_unref (object);

    return success;
}

static void
e_calendar_selector_class_init (ECalendarSelectorClass *class)
{
    GObjectClass *object_class;
    ESourceSelectorClass *source_selector_class;

    g_type_class_add_private (class, sizeof (ECalendarSelectorPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->constructed = calendar_selector_constructed;

    source_selector_class = E_SOURCE_SELECTOR_CLASS (class);
    source_selector_class->data_dropped = calendar_selector_data_dropped;
}

static void
e_calendar_selector_init (ECalendarSelector *selector)
{
    selector->priv = E_CALENDAR_SELECTOR_GET_PRIVATE (selector);

    gtk_drag_dest_set (
        GTK_WIDGET (selector), GTK_DEST_DEFAULT_ALL,
        NULL, 0, GDK_ACTION_COPY | GDK_ACTION_MOVE);

    e_drag_dest_add_calendar_targets (GTK_WIDGET (selector));
}

GtkWidget *
e_calendar_selector_new (ESourceRegistry *registry)
{
    g_return_val_if_fail (E_IS_SOURCE_REGISTRY (registry), NULL);

    return g_object_new (
        E_TYPE_CALENDAR_SELECTOR,
        "extension-name", E_SOURCE_EXTENSION_CALENDAR,
        "registry", registry, NULL);
}