path: root/calendar/gui/dialogs/send-comp.c

/*
 * Evolution calendar - Send calendar component dialog
 *
 * 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:
 *      JP Rosevear <jpr@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include "send-comp.h"

#include <glib/gi18n-lib.h>

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

static gboolean
component_has_new_attendees (ECalComponent *comp)
{
    g_return_val_if_fail (comp != NULL, FALSE);

    if (!e_cal_component_has_attendees (comp))
        return FALSE;

    return g_object_get_data (G_OBJECT (comp), "new-attendees") != NULL;
}

static gboolean
component_has_recipients (ECalComponent *comp)
{
    GSList *attendees = NULL;
    ECalComponentAttendee *attendee;
    ECalComponentOrganizer organizer;
    gboolean res = FALSE;

    g_return_val_if_fail (comp != NULL, FALSE);

    e_cal_component_get_organizer (comp, &organizer);
    e_cal_component_get_attendee_list (comp, &attendees);

    if (!attendees) {
        if (organizer.value && e_cal_component_get_vtype (comp) == E_CAL_COMPONENT_JOURNAL) {
            /* memos store recipients in an extra property */
            icalcomponent *icalcomp;
            icalproperty *icalprop;

            icalcomp = e_cal_component_get_icalcomponent (comp);

            for (icalprop = icalcomponent_get_first_property (icalcomp, ICAL_X_PROPERTY);
                 icalprop != NULL;
                 icalprop = icalcomponent_get_next_property (icalcomp, ICAL_X_PROPERTY)) {
                const gchar *x_name;

                x_name = icalproperty_get_x_name (icalprop);

                if (g_str_equal (x_name, "X-EVOLUTION-RECIPIENTS")) {
                    const gchar *str_recipients = icalproperty_get_x (icalprop);

                    res = str_recipients && g_ascii_strcasecmp (organizer.value, str_recipients) != 0;
                    break;
                }
            }
        }

        return res;
    }

    if (g_slist_length (attendees) > 1 || !e_cal_component_has_organizer (comp)) {
        e_cal_component_free_attendee_list (attendees);
        return TRUE;
    }

    attendee = attendees->data;

    res = organizer.value && attendee && attendee->value && g_ascii_strcasecmp (organizer.value, attendee->value) != 0;

    e_cal_component_free_attendee_list (attendees);

    return res;
}

static gboolean
have_nonprocedural_alarm (ECalComponent *comp)
{
    GList *uids, *l;

    g_return_val_if_fail (comp != NULL, FALSE);

    uids = e_cal_component_get_alarm_uids (comp);

    for (l = uids; l; l = l->next) {
        ECalComponentAlarm *alarm;
        ECalComponentAlarmAction action = E_CAL_COMPONENT_ALARM_UNKNOWN;

        alarm = e_cal_component_get_alarm (comp, (const gchar *) l->data);
        if (alarm) {
            e_cal_component_alarm_get_action (alarm, &action);
            e_cal_component_alarm_free (alarm);

            if (action != E_CAL_COMPONENT_ALARM_NONE &&
                action != E_CAL_COMPONENT_ALARM_PROCEDURE &&
                action != E_CAL_COMPONENT_ALARM_UNKNOWN) {
                cal_obj_uid_list_free (uids);
                return TRUE;
            }
        }
    }

    cal_obj_uid_list_free (uids);

    return FALSE;
}

static GtkWidget *
add_checkbox (GtkBox *where,
              const gchar *caption)
{
    GtkWidget *checkbox, *align;

    g_return_val_if_fail (where != NULL, NULL);
    g_return_val_if_fail (caption != NULL, NULL);

    checkbox = gtk_check_button_new_with_mnemonic (caption);
    align = gtk_alignment_new (0.0, 0.5, 0.0, 0.0);
    gtk_alignment_set_padding (GTK_ALIGNMENT (align), 0, 0, 12, 12);
    gtk_container_add (GTK_CONTAINER (align), checkbox);
    gtk_widget_show (checkbox);
    gtk_box_pack_start (where, align, TRUE, TRUE, 2);
    gtk_widget_show (align);

    return checkbox;
}

/**
 * send_component_dialog:
 *
 * Pops up a dialog box asking the user whether he wants to send a
 * iTip/iMip message
 *
 * Return value: TRUE if the user clicked Yes, FALSE otherwise.
 **/
gboolean
send_component_dialog (GtkWindow *parent,
                       ECalClient *client,
                       ECalComponent *comp,
                       gboolean new,
                       gboolean *strip_alarms,
                       gboolean *only_new_attendees)
{
    ECalComponentVType vtype;
    const gchar *id;
    GtkWidget *dialog, *sa_checkbox = NULL, *ona_checkbox = NULL;
    GtkWidget *content_area;
    gboolean res;

    if (strip_alarms)
        *strip_alarms = TRUE;

    if (e_cal_client_check_save_schedules (client) || !component_has_recipients (comp))
        return FALSE;

    vtype = e_cal_component_get_vtype (comp);

    switch (vtype) {
    case E_CAL_COMPONENT_EVENT:
        if (new)
            id = "calendar:prompt-meeting-invite";
        else
            id = "calendar:prompt-send-updated-meeting-info";
        break;

    case E_CAL_COMPONENT_TODO:
        if (new)
            id = "calendar:prompt-send-task";
        else
            id = "calendar:prompt-send-updated-task-info";
        break;
    case E_CAL_COMPONENT_JOURNAL:
        return TRUE;
    default:
        g_message (
            "send_component_dialog(): "
            "Cannot handle object of type %d", vtype);
        return FALSE;
    }

    if (only_new_attendees && !component_has_new_attendees (comp)) {
        /* do not show the check if there is no new attendee and
         * set as all attendees are required to be notified */
        *only_new_attendees = FALSE;

        /* pretend it as being passed NULL to simplify code below */
        only_new_attendees = NULL;
    }

    if (strip_alarms && !have_nonprocedural_alarm (comp)) {
        /* pretend it as being passed NULL to simplify code below */
        strip_alarms = NULL;
    }

    dialog = e_alert_dialog_new_for_args (parent, id, NULL);
    content_area = e_alert_dialog_get_content_area (E_ALERT_DIALOG (dialog));

    if (strip_alarms)
        sa_checkbox = add_checkbox (GTK_BOX (content_area), _("Send my reminders with this event"));
    if (only_new_attendees)
        ona_checkbox = add_checkbox (GTK_BOX (content_area), _("Notify new attendees _only"));

    res = gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_YES;

    if (res && strip_alarms)
        *strip_alarms = !gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (sa_checkbox));
    if (only_new_attendees)
        *only_new_attendees = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (ona_checkbox));

    gtk_widget_destroy (GTK_WIDGET (dialog));

    return res;
}

/**
 * send_dragged_or_resized_component_dialog:
 *
 * Pops up a dialog box asking the user whether he wants to send a
 * iTip/iMip message or cancel the drag/resize operations
 *
 * Return value: GTK_RESPONSE_YES if the user clicked Yes,
 *       GTK_RESPONSE_NO if the user clicked No and
 *       GTK_RESPONSE_CANCEL otherwise.
 **/
GtkResponseType
send_dragged_or_resized_component_dialog (GtkWindow *parent,
                                          ECalClient *client,
                                          ECalComponent *comp,
                                          gboolean *strip_alarms,
                                          gboolean *only_new_attendees)
{
    ECalComponentVType vtype;
    const gchar *id;
    GtkWidget *dialog, *sa_checkbox = NULL, *ona_checkbox = NULL;
    GtkWidget *content_area;
    gboolean save_schedules = FALSE;
    GtkResponseType res;

    if (strip_alarms)
        *strip_alarms = TRUE;

    if (e_cal_client_check_save_schedules (client) || !component_has_recipients (comp))
        save_schedules = TRUE;

    vtype = e_cal_component_get_vtype (comp);

    switch (vtype) {
    case E_CAL_COMPONENT_EVENT:
        id = save_schedules ? "calendar:prompt-save-meeting-dragged-or-resized" :
                      "calendar:prompt-send-updated-meeting-info-dragged-or-resized";
        break;
    default:
        g_message (
            "send_component_dialog(): "
            "Cannot handle object of type %d", vtype);
        return GTK_RESPONSE_CANCEL;
    }

    if (only_new_attendees && !component_has_new_attendees (comp)) {
        /* do not show the check if there is no new attendee and
         * set as all attendees are required to be notified */
        *only_new_attendees = FALSE;

        /* pretend it as being passed NULL to simplify code below */
        only_new_attendees = NULL;
    }

    if (strip_alarms && !have_nonprocedural_alarm (comp)) {
        /* pretend it as being passed NULL to simplify code below */
        strip_alarms = NULL;
    }

    dialog = e_alert_dialog_new_for_args (parent, id, NULL);
    content_area = e_alert_dialog_get_content_area (E_ALERT_DIALOG (dialog));

    if (strip_alarms)
        sa_checkbox = add_checkbox (GTK_BOX (content_area), _("Send my reminders with this event"));
    if (only_new_attendees)
        ona_checkbox = add_checkbox (GTK_BOX (content_area), _("Notify new attendees _only"));

    res = gtk_dialog_run (GTK_DIALOG (dialog));

    /*
     * When the Escape key is pressed a GTK_RESPONSE_DELETE_EVENT is generated.
     * We should treat this event as the user cancelling the operation
     */
    if (res == GTK_RESPONSE_DELETE_EVENT)
        res = GTK_RESPONSE_CANCEL;

    if (res == GTK_RESPONSE_YES && strip_alarms)
        *strip_alarms = !gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (sa_checkbox));
    if (only_new_attendees)
        *only_new_attendees = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (ona_checkbox));

    gtk_widget_destroy (GTK_WIDGET (dialog));

    return res;
}

gboolean
send_component_prompt_subject (GtkWindow *parent,
                               ECalClient *client,
                               ECalComponent *comp)
{
    ECalComponentVType vtype;
    const gchar *id;

    vtype = e_cal_component_get_vtype (comp);

    switch (vtype) {
    case E_CAL_COMPONENT_EVENT:
            id = "calendar:prompt-save-no-subject-calendar";
        break;

    case E_CAL_COMPONENT_TODO:
            id = "calendar:prompt-save-no-subject-task";
        break;
    case E_CAL_COMPONENT_JOURNAL:
            id = "calendar:prompt-send-no-subject-memo";
        break;

    default:
        g_message (
            "send_component_prompt_subject(): "
            "Cannot handle object of type %d", vtype);
        return FALSE;
    }

    if (e_alert_run_dialog_for_args (parent, id, NULL) == GTK_RESPONSE_YES)
        return TRUE;
    else
        return FALSE;
}