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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:
 *      Michael Zucchi <notzed@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include <string.h>
#include <stdlib.h>

#include <glib.h>

#include "e-cal-menu.h"
#include "gui/e-cal-model.h"
#include "itip-utils.h"

static void ecalm_standard_menu_factory(EMenu *emp, void *data);

static GObjectClass *ecalm_parent;

static void
ecalm_init(GObject *o)
{
    /*ECalMenu *emp = (ECalMenu *)o; */
}

static void
ecalm_finalise(GObject *o)
{
    ((GObjectClass *)ecalm_parent)->finalize(o);
}

static void
ecalm_target_free(EMenu *ep, EMenuTarget *t)
{
    switch (t->type) {
    case E_CAL_MENU_TARGET_SELECT: {
        ECalMenuTargetSelect *s = (ECalMenuTargetSelect *)t;
        int i;

        for (i=0;i<s->events->len;i++)
            e_cal_model_free_component_data(s->events->pdata[i]);
        g_ptr_array_free(s->events, TRUE);
        g_object_unref(s->model);
        break; }
    }

    ((EMenuClass *)ecalm_parent)->target_free(ep, t);
}

static void
ecalm_class_init(GObjectClass *klass)
{
    klass->finalize = ecalm_finalise;
    ((EMenuClass *)klass)->target_free = ecalm_target_free;

    e_menu_class_add_factory((EMenuClass *)klass, NULL, (EMenuFactoryFunc)ecalm_standard_menu_factory, NULL);
}

GType
e_cal_menu_get_type(void)
{
    static GType type = 0;

    if (type == 0) {
        static const GTypeInfo info = {
            sizeof(ECalMenuClass),
            NULL, NULL,
            (GClassInitFunc)ecalm_class_init,
            NULL, NULL,
            sizeof(ECalMenu), 0,
            (GInstanceInitFunc)ecalm_init
        };
        ecalm_parent = g_type_class_ref(e_menu_get_type());
        type = g_type_register_static(e_menu_get_type(), "ECalMenu", &info, 0);
    }

    return type;
}

ECalMenu *e_cal_menu_new(const char *menuid)
{
    ECalMenu *emp = g_object_new(e_cal_menu_get_type(), NULL);

    e_menu_construct(&emp->menu, menuid);

    return emp;
}

/**
 * e_cal_menu_target_new_select:
 * @folder: The selection will ref this for the life of it.
 * @folder_uri:
 * @uids: The selection will free this when done with it.
 *
 * Create a new selection popup target.
 *
 * Return value:
 **/
ECalMenuTargetSelect *
e_cal_menu_target_new_select(ECalMenu *eabp, struct _ECalModel *model, GPtrArray *events)
{
    ECalMenuTargetSelect *t = e_menu_target_new(&eabp->menu, E_CAL_MENU_TARGET_SELECT, sizeof(*t));
    guint32 mask = ~0;
    ECal *client;
    gboolean read_only;

    /* FIXME: This is duplicated in e-cal-popup */

    t->model = model;
    g_object_ref(t->model);
    t->events = events;

    if (t->events->len == 0) {
        client = e_cal_model_get_default_client(t->model);
    } else {
        ECalModelComponent *comp_data = (ECalModelComponent *)t->events->pdata[0];

        mask &= ~E_CAL_MENU_SELECT_ANY;
        if (t->events->len == 1)
            mask &= ~E_CAL_MENU_SELECT_ONE;
        else
            mask &= ~E_CAL_MENU_SELECT_MANY;

        if (icalcomponent_get_first_property (comp_data->icalcomp, ICAL_URL_PROPERTY))
            mask &= ~E_CAL_MENU_SELECT_HASURL;

        if (!e_cal_get_static_capability (comp_data->client, CAL_STATIC_CAPABILITY_NO_TASK_ASSIGNMENT)
            && !e_cal_get_static_capability (comp_data->client, CAL_STATIC_CAPABILITY_NO_CONV_TO_ASSIGN_TASK)
            && !icalcomponent_get_first_property (comp_data->icalcomp, ICAL_ATTENDEE_PROPERTY))
            mask &= ~E_CAL_MENU_SELECT_ASSIGNABLE;

        if (!icalcomponent_get_first_property (comp_data->icalcomp, ICAL_COMPLETED_PROPERTY))
            mask &= ~ E_CAL_MENU_SELECT_NOTCOMPLETE;

        if (e_cal_util_component_has_recurrences (comp_data->icalcomp))
            mask &= ~E_CAL_MENU_SELECT_RECURRING;
        else if (e_cal_util_component_is_instance (comp_data->icalcomp))
            mask &= ~E_CAL_MENU_SELECT_RECURRING;
        else
            mask &= ~E_CAL_MENU_SELECT_NONRECURRING;

        if (e_cal_util_component_is_instance (comp_data->icalcomp))
            mask &= ~E_CAL_MENU_SELECT_INSTANCE;

        if (e_cal_util_component_has_organizer (comp_data->icalcomp)) {
            ECalComponent *comp;

            comp = e_cal_component_new ();
            e_cal_component_set_icalcomponent (comp, icalcomponent_new_clone (comp_data->icalcomp));
            if (!itip_organizer_is_user (comp, comp_data->client))
                mask &= ~E_CAL_MENU_SELECT_ORGANIZER;

            g_object_unref (comp);
        } else {
            /* organiser is synonym for owner in this case */
            mask &= ~(E_CAL_MENU_SELECT_ORGANIZER|E_CAL_MENU_SELECT_NOTMEETING);
        }

        client = comp_data->client;
    }

    if (client) {
        e_cal_is_read_only(client, &read_only, NULL);
        if (!read_only)
            mask &= ~E_CAL_MENU_SELECT_EDITABLE;
    }

    /* This bit isn't implemented ... */
    mask &= ~E_CAL_MENU_SELECT_NOTEDITING;

    t->target.mask = mask;

    return t;
}

static void
ecalm_standard_menu_factory(EMenu *emp, void *data)
{
    /* noop */
}

/* ********************************************************************** */

/* menu plugin handler */

/*
<e-plugin
  class="org.gnome.mail.plugin.popup:1.0"
  id="org.gnome.mail.plugin.popup.item:1.0"
  type="shlib"
  location="/opt/gnome2/lib/camel/1.0/libcamelimap.so"
  name="imap"
  description="IMAP4 and IMAP4v1 mail store">
  <hook class="org.gnome.mail.popupMenu:1.0"
        handler="HandlePopup">
  <menu id="any" target="select">
   <item
    type="item|toggle|radio|image|submenu|bar"
    active
    path="foo/bar"
    label="label"
    icon="foo"
    mask="select_one"
    activate="ecalm_view_emacs"/>
  </menu>
  </extension>

*/

static void *ecalph_parent_class;
#define ecalph ((ECalMenuHook *)eph)

static const EMenuHookTargetMask ecalph_select_masks[] = {
    { "one", E_CAL_MENU_SELECT_ONE },
    { "many", E_CAL_MENU_SELECT_MANY },
    { "editable", E_CAL_MENU_SELECT_EDITABLE },
    { "recurring", E_CAL_MENU_SELECT_RECURRING },
    { "non-recurring", E_CAL_MENU_SELECT_NONRECURRING },
    { "instance", E_CAL_MENU_SELECT_INSTANCE },
    { "organizer", E_CAL_MENU_SELECT_ORGANIZER },
    { "not-editing", E_CAL_MENU_SELECT_NOTEDITING },
    { "not-meeting", E_CAL_MENU_SELECT_NOTMEETING },
    { "assignable", E_CAL_MENU_SELECT_ASSIGNABLE },
    { "hasurl", E_CAL_MENU_SELECT_HASURL },
    { "not-complete", E_CAL_MENU_SELECT_NOTCOMPLETE },
    { NULL }
};

static const EMenuHookTargetMap ecalph_targets[] = {
    { "select", E_CAL_MENU_TARGET_SELECT, ecalph_select_masks },
    { NULL }
};

static void
ecalph_finalise(GObject *o)
{
    /*EPluginHook *eph = (EPluginHook *)o;*/

    ((GObjectClass *)ecalph_parent_class)->finalize(o);
}

static void
ecalph_class_init(EPluginHookClass *klass)
{
    int i;

    ((GObjectClass *)klass)->finalize = ecalph_finalise;
    ((EPluginHookClass *)klass)->id = "org.gnome.evolution.calendar.bonobomenu:1.0";

    for (i = 0; ecalph_targets[i].type; i++)
        e_menu_hook_class_add_target_map((EMenuHookClass *)klass, &ecalph_targets[i]);

    /* FIXME: leaks parent set class? */
    ((EMenuHookClass *)klass)->menu_class = g_type_class_ref(e_cal_menu_get_type());
}

GType
e_cal_menu_hook_get_type(void)
{
    static GType type = 0;

    if (!type) {
        static const GTypeInfo info = {
            sizeof(ECalMenuHookClass), NULL, NULL, (GClassInitFunc) ecalph_class_init, NULL, NULL,
            sizeof(ECalMenuHook), 0, (GInstanceInitFunc) NULL,
        };

        ecalph_parent_class = g_type_class_ref(e_menu_hook_get_type());
        type = g_type_register_static(e_menu_hook_get_type(), "ECalMenuHook", &info, 0);
    }

    return type;
}