path: root/calendar/gui/e-cal-popup.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 *  Authors: Michael Zucchi <notzed@ximian.com>
 *
 *  Copyright 2004 Novell, Inc. (www.novell.com)
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; version 2 of the License.
 *
 *  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.
 *
 */

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

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

#include <glib.h>

#include <libgnomevfs/gnome-vfs-mime-handlers.h>
#include <libgnomevfs/gnome-vfs-mime.h>

#include "e-cal-popup.h"
#include <libedataserver/e-data-server-util.h>
#include <libedataserverui/e-source-selector.h>

#include <camel/camel-mime-part.h>
#include <camel/camel-stream-vfs.h>
#include "e-util/e-util.h"
#include <glib/gi18n.h>
#include "e-util/e-mktemp.h"
#include "e-util/e-dialog-utils.h"

#include "gui/e-calendar-view.h"
#include "gui/e-cal-model.h"
#include "itip-utils.h"
#include "e-attachment.h"

static GObjectClass *ecalp_parent;

static void
ecalp_init(GObject *o)
{
    /*ECalPopup *eabp = (ECalPopup *)o; */
}

static void
ecalp_finalise(GObject *o)
{
    ((GObjectClass *)ecalp_parent)->finalize(o);
}

static void
ecalp_target_free(EPopup *ep, EPopupTarget *t)
{
    switch (t->type) {
    case E_CAL_POPUP_TARGET_SELECT: {
        ECalPopupTargetSelect *s = (ECalPopupTargetSelect *)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; }
    case E_CAL_POPUP_TARGET_SOURCE: {
        ECalPopupTargetSource *s = (ECalPopupTargetSource *)t;

        g_object_unref(s->selector);
        break; }
    }

    ((EPopupClass *)ecalp_parent)->target_free(ep, t);
}

/* Standard menu code */

static char *
temp_save_part(CamelMimePart *part, char *path, gboolean file)
{
    const char *filename;
    char *tmpdir, *utf8_mfilename = NULL, *mfilename = NULL;
    CamelStream *stream;
    CamelDataWrapper *wrapper;

    if (!path) {
        tmpdir = e_mkdtemp("evolution-tmp-XXXXXX");
        if (tmpdir == NULL) {
            return NULL;
        }

        filename = camel_mime_part_get_filename (part);
        if (filename == NULL) {
            /* This is the default filename used for temporary file creation */
            filename = _("Unknown");
        } else {
            utf8_mfilename = g_strdup (filename);
            e_filename_make_safe (utf8_mfilename);
            mfilename = g_filename_from_utf8 ((const char *) utf8_mfilename, -1, NULL, NULL, NULL);
            g_free (utf8_mfilename);
            filename = (const char *) mfilename;
        }

        path = g_build_filename(tmpdir, filename, NULL);
        g_free(tmpdir);
        g_free(mfilename);
    } else if (!file) {
        tmpdir = path;
        filename = camel_mime_part_get_filename (part);
        if (filename == NULL) {
            /* This is the default filename used for temporary file creation */
            filename = _("Unknown");
        } else {
            utf8_mfilename = g_strdup (filename);
            e_filename_make_safe (utf8_mfilename);
            mfilename = g_filename_from_utf8 ((const char *)utf8_mfilename, -1, NULL, NULL, NULL);
            g_free (utf8_mfilename);
            filename = (const char *) mfilename;
        }
        
        path = g_build_filename(tmpdir, filename, NULL);
        g_free(mfilename);
    }

    wrapper = camel_medium_get_content_object (CAMEL_MEDIUM (part));
    stream = camel_stream_vfs_new_with_uri (path, O_WRONLY|O_CREAT|O_TRUNC, 0600);

    if (!stream) {
        /* TODO handle error conditions */
        g_message ("DEBUG: could not open the file to write\n");
        return NULL;
    }

    if (camel_data_wrapper_decode_to_stream (wrapper, (CamelStream *) stream) == -1) {
        camel_stream_close (stream);
        camel_object_unref (stream);
        g_message ("DEBUG: could not write to file\n");
        return NULL;
    }

    camel_stream_close(stream);
    camel_object_unref(stream);

    return path;
}

static void
ecalp_part_popup_saveas(EPopup *ep, EPopupItem *item, void *data)
{
    EPopupTarget *t = ep->target;
    CamelMimePart *part = NULL;
    char *file, *mfilename = NULL;
    const char *filename;

    part = ((EAttachment *) ((ECalPopupTargetAttachments *) t)->attachments->data)->body;
    filename = camel_mime_part_get_filename (part);
    if (filename == NULL) {
        /* This is the default filename used for temporary file creation */
        filename = _("Unknown");
    } else {
        mfilename = g_strdup(filename);
        e_filename_make_safe(mfilename);
        filename = mfilename;
    }   
    file = e_file_dialog_save (_("Save As..."), filename);
    
    if (file)
        temp_save_part (part, file, TRUE);
        
    g_free (file);
    g_free (mfilename);
}

static void
ecalp_part_popup_save_selected(EPopup *ep, EPopupItem *item, void *data)
{
    GSList *parts;
    EPopupTarget *t = ep->target;
    char *dir, *path;
    
    dir = e_file_dialog_save_folder (_("Select folder to save selected attachments..."));
    parts = ((ECalPopupTargetAttachments *) t)->attachments;
    
    for (;parts; parts=parts->next) {
        path = temp_save_part (((EAttachment *)parts->data)->body, dir, FALSE);
        /* Probably we 'll do some reporting in next release, like listing the saved files and locations */
        g_free (path);
    }
}

static void
ecalp_part_popup_set_background(EPopup *ep, EPopupItem *item, void *data)
{
    EPopupTarget *t = ep->target;
    GConfClient *gconf;
    char *str, *filename, *path, *extension;
    unsigned int i=1;
    CamelMimePart *part = NULL;

    part = ((EAttachment *) ((ECalPopupTargetAttachments *) t)->attachments->data)->body;

    if (!part)
        return;

    filename = g_strdup(camel_mime_part_get_filename(part));
       
    /* if filename is blank, create a default filename based on MIME type */
    if (!filename || !filename[0]) {
        CamelContentType *ct;

        ct = camel_mime_part_get_content_type(part);
        g_free (filename);
        filename = g_strdup_printf (_("untitled_image.%s"), ct->subtype);
    }

    e_filename_make_safe(filename);
    
    path = g_build_filename(g_get_home_dir(), ".gnome2", "wallpapers", filename, NULL);
    
    extension = strrchr(filename, '.');
    if (extension)
        *extension++ = 0;
    
    /* if file exists, stick a (number) on the end */
    while (g_file_test(path, G_FILE_TEST_EXISTS)) {
        char *name;
        name = g_strdup_printf(extension?"%s (%d).%s":"%s (%d)", filename, i++, extension);
        g_free(path);
        path = g_build_filename(g_get_home_dir(), ".gnome2", "wallpapers", name, NULL);
        g_free(name);
    }
    
    g_free(filename);
    
    if (temp_save_part(part, path, TRUE)) {
        gconf = gconf_client_get_default();
        
        /* if the filename hasn't changed, blank the filename before 
        *  setting it so that gconf detects a change and updates it */
        if ((str = gconf_client_get_string(gconf, "/desktop/gnome/background/picture_filename", NULL)) != NULL 
             && strcmp (str, path) == 0) {
            gconf_client_set_string(gconf, "/desktop/gnome/background/picture_filename", "", NULL);
        }
        
        g_free (str);
        gconf_client_set_string(gconf, "/desktop/gnome/background/picture_filename", path, NULL);
        
        /* if GNOME currently doesn't display a picture, set to "wallpaper"
         * display mode, otherwise leave it alone */
        if ((str = gconf_client_get_string(gconf, "/desktop/gnome/background/picture_options", NULL)) == NULL 
             || strcmp(str, "none") == 0) {
            gconf_client_set_string(gconf, "/desktop/gnome/background/picture_options", "wallpaper", NULL);
        }
        
        gconf_client_suggest_sync(gconf, NULL);
        
        g_free(str);
        g_object_unref(gconf);
    }
    
    g_free(path);
}

static const EPopupItem ecalp_standard_part_apps_bar = { E_POPUP_BAR, "99.object" };

static ECalPopupItem ecalp_attachment_object_popups[] = {
    { E_POPUP_ITEM, "00.attach.00", N_("_Save As..."), ecalp_part_popup_saveas, NULL, "stock_save-as", E_CAL_POPUP_ATTACHMENTS_ONE },
    { E_POPUP_ITEM, "00.attach.10", N_("Set as _Background"), ecalp_part_popup_set_background, NULL, NULL, E_CAL_POPUP_ATTACHMENTS_IMAGE },
    { E_POPUP_ITEM, "00.attach.20", N_("_Save Selected"), ecalp_part_popup_save_selected, NULL, "stock_save-as", E_CAL_POPUP_ATTACHMENTS_MULTIPLE },
    { E_POPUP_BAR, "05.attach", },
};

static void
ecalp_apps_open_in(EPopup *ep, EPopupItem *item, void *data)
{
    char *path;
    EPopupTarget *target = ep->target;
    CamelMimePart *part;

    part = ((EAttachment *) ((ECalPopupTargetAttachments *) target)->attachments->data)->body;

    path = temp_save_part(part, NULL, FALSE);
    if (path) {
        GnomeVFSMimeApplication *app = item->user_data;
        char *uri;
        GList *uris = NULL;
        
        uri = gnome_vfs_get_uri_from_local_path(path);
        uris = g_list_append(uris, uri);

        gnome_vfs_mime_application_launch(app, uris);

        g_free(uri);
        g_list_free(uris);
        g_free(path);
    }
}

static void
ecalp_apps_popup_free(EPopup *ep, GSList *free_list, void *data)
{
    while (free_list) {
        GSList *n = free_list->next;
        EPopupItem *item = free_list->data;

        g_free(item->path);
        g_free(item->label);
        g_free(item);
        g_slist_free_1(free_list);

        free_list = n;
    }
}

static void
ecalp_standard_items_free(EPopup *ep, GSList *items, void *data)
{
    g_slist_free(items);
}

static void 
ecalp_standard_menu_factory (EPopup *ecalp, void *data)
{
    int i, len;
    EPopupItem *items;
    GSList *menus = NULL;
    GList *apps = NULL;
    char *mime_type = NULL;
    const char *filename = NULL;

    switch (ecalp->target->type) {
    case E_CAL_POPUP_TARGET_ATTACHMENTS: {
        ECalPopupTargetAttachments *t = (ECalPopupTargetAttachments *)ecalp->target;
        GSList *list = t->attachments;
        EAttachment *attachment;

        items = ecalp_attachment_object_popups;
        len = G_N_ELEMENTS(ecalp_attachment_object_popups);

        if (g_slist_length(list) != 1 || !((EAttachment *)list->data)->is_available_local) {
            break;
        }

        /* Only one attachment selected */
        attachment = list->data;
        mime_type = camel_data_wrapper_get_mime_type((CamelDataWrapper *)attachment->body);
        filename = camel_mime_part_get_filename(attachment->body);


        break; }        
    default:
        items = NULL;
        len = 0;    
    }

    if (mime_type) {
        apps = gnome_vfs_mime_get_all_applications(mime_type);
        
        if (apps == NULL && strcmp(mime_type, "application/octet-stream") == 0) {
            const char *name_type;
            
            if (filename) {
                /* GNOME-VFS will misidentify TNEF attachments as MPEG */
                if (!strcmp (filename, "winmail.dat"))
                    name_type = "application/vnd.ms-tnef";
                else
                    name_type = gnome_vfs_mime_type_from_name(filename);
                if (name_type)
                    apps = gnome_vfs_mime_get_all_applications(name_type);
            }
        }
        g_free (mime_type);

        if (apps) {
            GSList *open_menus = NULL;
            GList *l;

            menus = g_slist_prepend(menus, (void *)&ecalp_standard_part_apps_bar);

            for (l = apps, i = 0; l; l = l->next, i++) {
                GnomeVFSMimeApplication *app = l->data;
                EPopupItem *item;

                if (app->requires_terminal)
                    continue;

                item = g_malloc0(sizeof(*item));
                item->type = E_POPUP_ITEM;
                item->path = g_strdup_printf("99.object.%02d", i);
                item->label = g_strdup_printf(_("Open in %s..."), app->name);
                item->activate = ecalp_apps_open_in;
                item->user_data = app;

                open_menus = g_slist_prepend(open_menus, item);
            }

            if (open_menus)
                e_popup_add_items(ecalp, open_menus, NULL, ecalp_apps_popup_free, NULL);

            g_list_free(apps);
        }
    }

    for (i=0;i<len;i++) {
        if ((items[i].visible & ecalp->target->mask) == 0)
            menus = g_slist_prepend(menus, &items[i]);
    }

    if (menus)
        e_popup_add_items(ecalp, menus, NULL, ecalp_standard_items_free, NULL);
}

static void
ecalp_class_init(GObjectClass *klass)
{
    klass->finalize = ecalp_finalise;
    ((EPopupClass *)klass)->target_free = ecalp_target_free;

    e_popup_class_add_factory((EPopupClass *)klass, NULL, ecalp_standard_menu_factory, NULL);
}

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

    if (type == 0) {
        static const GTypeInfo info = {
            sizeof(ECalPopupClass),
            NULL, NULL,
            (GClassInitFunc)ecalp_class_init,
            NULL, NULL,
            sizeof(ECalPopup), 0,
            (GInstanceInitFunc)ecalp_init
        };
        ecalp_parent = g_type_class_ref(e_popup_get_type());
        type = g_type_register_static(e_popup_get_type(), "ECalPopup", &info, 0);
    }

    return type;
}

ECalPopup *e_cal_popup_new(const char *menuid)
{
    ECalPopup *eabp = g_object_new(e_cal_popup_get_type(), 0);

    e_popup_construct(&eabp->popup, menuid);

    return eabp;
}

static icalproperty *
get_attendee_prop (icalcomponent *icalcomp, const char *address)
{
    
    icalproperty *prop;

    if (!(address && *address))
        return NULL;
    
    for (prop = icalcomponent_get_first_property (icalcomp, ICAL_ATTENDEE_PROPERTY);
            prop;
            prop = icalcomponent_get_next_property (icalcomp, ICAL_ATTENDEE_PROPERTY)) {
        const char *attendee = icalproperty_get_attendee (prop);

        if (g_str_equal (itip_strip_mailto (attendee), address)) {
            return prop;
        }
    }
    return NULL;
}
    
static gboolean 
is_delegated (icalcomponent *icalcomp, char *user_email)
{
    icalproperty *prop;
    icalparameter *param;
    const char *delto = NULL;
    
    prop = get_attendee_prop (icalcomp, user_email);

    if (prop) {
        param = icalproperty_get_first_parameter (prop, ICAL_DELEGATEDTO_PARAMETER);
        delto = icalparameter_get_delegatedto (param);
    } else
        return FALSE;
    
    prop = get_attendee_prop (icalcomp, itip_strip_mailto (delto)); 

    if (prop) {
        const char *delfrom;
        icalparameter_partstat  status;

        param = icalproperty_get_first_parameter (prop, ICAL_DELEGATEDFROM_PARAMETER);
        delfrom = icalparameter_get_delegatedfrom (param);
        param = icalproperty_get_first_parameter (prop, ICAL_PARTSTAT_PARAMETER);
        status = icalparameter_get_partstat (param);
        if ((delfrom && *delfrom) && g_str_equal (itip_strip_mailto (delfrom), user_email)
                && status != ICAL_PARTSTAT_DECLINED)
            return TRUE;
    }

    return FALSE;   
}

static gboolean
needs_to_accept (icalcomponent *icalcomp, char *user_email) 
{
    icalproperty *prop;
    icalparameter *param;
    icalparameter_partstat status;
    
    prop = get_attendee_prop (icalcomp, user_email);

    /* It might be a mailing list */
    if (!prop)  
        return TRUE;
    param = icalproperty_get_first_parameter (prop, ICAL_PARTSTAT_PARAMETER);
    status = icalparameter_get_partstat (param);

    if (status == ICAL_PARTSTAT_ACCEPTED || status == ICAL_PARTSTAT_TENTATIVE)
        return FALSE;

    return TRUE;
}

/**
 * e_cal_popup_target_new_select:
 * @eabp:
 * @model: The calendar model.
 * @events: An array of pointers to ECalModelComponent items.  These
 * items must be copied.  They, and the @events array will be freed by
 * the popup menu automatically.
 * 
 * Create a new selection popup target.
 * 
 * Return value: 
 **/
ECalPopupTargetSelect *
e_cal_popup_target_new_select(ECalPopup *eabp, struct _ECalModel *model, GPtrArray *events)
{
    ECalPopupTargetSelect *t = e_popup_target_new(&eabp->popup, E_CAL_POPUP_TARGET_SELECT, sizeof(*t));
    guint32 mask = ~0;
    ECal *client;
    gboolean read_only, user_org = FALSE;
    
    /* FIXME: This is duplicated in e-cal-menu */

    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];
        ECalComponent *comp;
        char *user_email = NULL;

        comp = e_cal_component_new ();
        e_cal_component_set_icalcomponent (comp, icalcomponent_new_clone (comp_data->icalcomp));
        user_email = itip_get_comp_attendee (comp, comp_data->client);

        mask &= ~E_CAL_POPUP_SELECT_ANY;
        if (t->events->len == 1)
            mask &= ~E_CAL_POPUP_SELECT_ONE;
        else {
            int i=0;

            mask &= ~E_CAL_POPUP_SELECT_MANY;
            /* Now check for any incomplete tasks and set the flags*/
            for (; i < t->events->len; i++) {
                ECalModelComponent *comp_data = (ECalModelComponent *)t->events->pdata[i];
                if (!icalcomponent_get_first_property (comp_data->icalcomp, ICAL_COMPLETED_PROPERTY)) 
                    mask &= ~E_CAL_POPUP_SELECT_NOTCOMPLETE;
                else
                    mask &= ~E_CAL_POPUP_SELECT_COMPLETE;
            }
        }

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

        if (e_cal_util_component_has_recurrences (comp_data->icalcomp))
            mask &= ~E_CAL_POPUP_SELECT_RECURRING;
        else if (e_cal_util_component_is_instance (comp_data->icalcomp))
            mask &= ~E_CAL_POPUP_SELECT_RECURRING;
        else
            mask &= ~E_CAL_POPUP_SELECT_NONRECURRING;

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

        if (e_cal_util_component_has_attendee (comp_data->icalcomp))
            mask &= ~E_CAL_POPUP_SELECT_MEETING;

        if (!e_cal_get_save_schedules (comp_data->client))
            mask &= ~E_CAL_POPUP_SELECT_NOSAVESCHEDULES;

        if (e_cal_util_component_has_organizer (comp_data->icalcomp)) {

            if (itip_organizer_is_user (comp, comp_data->client)) {
                mask &= ~E_CAL_POPUP_SELECT_ORGANIZER;
                user_org = TRUE;
            }

        } else {
            /* organiser is synonym for owner in this case */
            mask &= ~(E_CAL_POPUP_SELECT_ORGANIZER|E_CAL_POPUP_SELECT_NOTMEETING);
        }

        client = comp_data->client;

        if (e_cal_get_static_capability (client, CAL_STATIC_CAPABILITY_DELEGATE_SUPPORTED)) {

            if (e_cal_get_static_capability (client, CAL_STATIC_CAPABILITY_DELEGATE_TO_MANY))
                mask &= ~E_CAL_POPUP_SELECT_DELEGATABLE;
            else if (!user_org && !is_delegated (comp_data->icalcomp, user_email))
                mask &= ~E_CAL_POPUP_SELECT_DELEGATABLE;
        }

        if (e_cal_get_static_capability (client, CAL_STATIC_CAPABILITY_HAS_UNACCEPTED_MEETING) &&
                needs_to_accept (comp_data->icalcomp, user_email))
            mask &= ~E_CAL_POPUP_SELECT_ACCEPTABLE;

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

        if (icalcomponent_get_first_property (comp_data->icalcomp, ICAL_COMPLETED_PROPERTY))
            mask &= ~E_CAL_POPUP_SELECT_COMPLETE;
        
        g_object_unref (comp);
        g_free (user_email);
    }

    e_cal_is_read_only(client, &read_only, NULL);
    if (!read_only)
        mask &= ~E_CAL_POPUP_SELECT_EDITABLE;

    
        
    if (!e_cal_get_static_capability (client, CAL_STATIC_CAPABILITY_NO_TASK_ASSIGNMENT)
        && !e_cal_get_static_capability (client, CAL_STATIC_CAPABILITY_NO_CONV_TO_ASSIGN_TASK))
        mask &= ~E_CAL_POPUP_SELECT_ASSIGNABLE;

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

    t->target.mask = mask;

    return t;
}

ECalPopupTargetSource *
e_cal_popup_target_new_source(ECalPopup *eabp, ESourceSelector *selector)
{
    ECalPopupTargetSource *t = e_popup_target_new(&eabp->popup, E_CAL_POPUP_TARGET_SOURCE, sizeof(*t));
    guint32 mask = ~0;
    const char *source_uri;
    char *uri;
    ESource *source;
    const char *offline = NULL;
    const char *delete = NULL;

    /* TODO: this is duplicated for addressbook too */

    t->selector = selector;
    g_object_ref(selector);

    /* TODO: perhaps we need to copy this so it doesn't change during the lifecycle */
    source = e_source_selector_peek_primary_selection(selector);
    if (source)
        mask &= ~E_CAL_POPUP_SOURCE_PRIMARY;

    /* FIXME Gross hack, should have a property or something */
    source_uri = e_source_peek_relative_uri(source);
    if (source_uri && !strcmp("system", source_uri))
        mask &= ~E_CAL_POPUP_SOURCE_SYSTEM;
    else
        mask &= ~E_CAL_POPUP_SOURCE_USER;

    source = e_source_selector_peek_primary_selection (selector);
    uri = e_source_get_uri (source);
    if (!uri || (g_ascii_strncasecmp (uri, "file://", 7) && g_ascii_strncasecmp (uri, "contacts://", 11))) {
        /* check for e_target_selector's offline_status property here */
        offline = e_source_get_property (source, "offline");

        if (offline  && strcmp (offline,"1") == 0) { 
            /* set the menu item to Mark Offline - */
            mask &= ~E_CAL_POPUP_SOURCE_NO_OFFLINE;
        } else {
            mask &= ~E_CAL_POPUP_SOURCE_OFFLINE;
        }
    } else {
        mask |= E_CAL_POPUP_SOURCE_NO_OFFLINE;
        mask |= E_CAL_POPUP_SOURCE_OFFLINE;
    }
    g_free (uri);
    
    source = e_source_selector_peek_primary_selection (selector);
    /*check for delete_status property here*/
    delete = e_source_get_property (source, "delete");

    if (delete && strcmp (delete,"no") == 0) {
        /*set the menu item to non deletable */
        mask &= ~E_CAL_POPUP_SOURCE_NO_DELETE;
    }
    else {
        mask &= ~E_CAL_POPUP_SOURCE_DELETE;
    }


    t->target.mask = mask;

    return t;
}

/**
 * e_cal_popup_target_new_attachments:
 * @ecp: 
 * @attachments: A list of CalAttachment objects, reffed for
 * the list.  Will be unreff'd once finished with.
 * 
 * Owns the list @attachments and their items after they're passed in.
 * 
 * Return value: 
 **/
ECalPopupTargetAttachments *
e_cal_popup_target_new_attachments(ECalPopup *ecp, CompEditor *editor, GSList *attachments)
{
    ECalPopupTargetAttachments *t = e_popup_target_new(&ecp->popup, E_CAL_POPUP_TARGET_ATTACHMENTS, sizeof(*t));
    guint32 mask = ~0;
    int len = g_slist_length(attachments);
    ECal *client = comp_editor_get_e_cal (editor);
    CompEditorFlags flags = comp_editor_get_flags (editor);
    gboolean read_only = FALSE;
    GError *error = NULL;

    if (!e_cal_is_read_only (client, &read_only, &error)) {
        if (error->code != E_CALENDAR_STATUS_BUSY)
            read_only = TRUE;
        g_error_free (error);
    }   

    if (!read_only && (!(flags & COMP_EDITOR_MEETING) || 
                (flags & COMP_EDITOR_NEW_ITEM) || 
                (flags & COMP_EDITOR_USER_ORG)))
        mask &= ~ E_CAL_POPUP_ATTACHMENTS_MODIFY;

    t->attachments = attachments;
    if (len > 0)
        mask &= ~ E_CAL_POPUP_ATTACHMENTS_MANY;

    if (len == 1 && ((EAttachment *)attachments->data)->is_available_local) {
        if (camel_content_type_is(((CamelDataWrapper *) ((EAttachment *) attachments->data)->body)->mime_type, "image", "*"))
            mask &= ~ E_CAL_POPUP_ATTACHMENTS_IMAGE;
        mask &= ~ E_CAL_POPUP_ATTACHMENTS_ONE;
    }

    if (len > 1)
        mask &= ~ E_CAL_POPUP_ATTACHMENTS_MULTIPLE;
    
    t->target.mask = mask;

    return t;
}

/* ********************************************************************** */
/* Popup menu plugin handler */

/*
<e-plugin
  class="org.gnome.mail.plugin.popup:1.0"
  id="org.gnome.mail.plugin.popup.iteab: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">
   <iteab
    type="iteab|toggle|radio|image|submenu|bar"
    active
    path="foo/bar"
    label="label"
    icon="foo"
    mask="select_one"
    activate="ecalp_view_eabacs"/>
  </menu>
  </extension>

*/

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

static const EPopupHookTargetMask ecalph_select_masks[] = {
    { "one", E_CAL_POPUP_SELECT_ONE },
    { "many", E_CAL_POPUP_SELECT_MANY },
    { "editable", E_CAL_POPUP_SELECT_EDITABLE },
    { "recurring", E_CAL_POPUP_SELECT_RECURRING },
    { "non-recurring", E_CAL_POPUP_SELECT_NONRECURRING },
    { "instance", E_CAL_POPUP_SELECT_INSTANCE },
    { "organizer", E_CAL_POPUP_SELECT_ORGANIZER },
    { "not-editing", E_CAL_POPUP_SELECT_NOTEDITING },
    { "not-meeting", E_CAL_POPUP_SELECT_NOTMEETING },
    { "meeting", E_CAL_POPUP_SELECT_MEETING },
    { "assignable", E_CAL_POPUP_SELECT_ASSIGNABLE },
    { "hasurl", E_CAL_POPUP_SELECT_HASURL },
    { "delegate", E_CAL_POPUP_SELECT_DELEGATABLE }, 
    { "accept", E_CAL_POPUP_SELECT_ACCEPTABLE },
    { "not-complete", E_CAL_POPUP_SELECT_NOTCOMPLETE },
    { "no-save-schedules", E_CAL_POPUP_SELECT_NOSAVESCHEDULES },
    { "complete" , E_CAL_POPUP_SELECT_COMPLETE},
    { 0 }
};

static const EPopupHookTargetMask ecalph_source_masks[] = {
    { "primary", E_CAL_POPUP_SOURCE_PRIMARY },
    { "system", E_CAL_POPUP_SOURCE_SYSTEM },
    { "user", E_CAL_POPUP_SOURCE_USER },
    { "offline", E_CAL_POPUP_SOURCE_OFFLINE},
    { "no-offline", E_CAL_POPUP_SOURCE_NO_OFFLINE}, 
    { "delete", E_CAL_POPUP_SOURCE_DELETE},
    { "no-delete", E_CAL_POPUP_SOURCE_NO_DELETE},   

    { 0 }
};

static const EPopupHookTargetMask ecalph_attachments_masks[] = {
    { "one", E_CAL_POPUP_ATTACHMENTS_ONE },
    { "many", E_CAL_POPUP_ATTACHMENTS_MANY },
    { "modify", E_CAL_POPUP_ATTACHMENTS_MODIFY },
    { "multiple", E_CAL_POPUP_ATTACHMENTS_MULTIPLE },
    { "image", E_CAL_POPUP_ATTACHMENTS_IMAGE },
    { 0 }
};

static const EPopupHookTargetMap ecalph_targets[] = {
    { "select", E_CAL_POPUP_TARGET_SELECT, ecalph_select_masks },
    { "source", E_CAL_POPUP_TARGET_SOURCE, ecalph_source_masks },
    { "attachments", E_CAL_POPUP_TARGET_ATTACHMENTS, ecalph_attachments_masks },
    { 0 }
};

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.popup:1.0";

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

    ((EPopupHookClass *)klass)->popup_class = g_type_class_ref(e_cal_popup_get_type());
}

GType
e_cal_popup_hook_get_type(void)
{
    static GType type = 0;
    
    if (!type) {
        static const GTypeInfo info = {
            sizeof(ECalPopupHookClass), NULL, NULL, (GClassInitFunc) ecalph_class_init, NULL, NULL,
            sizeof(ECalPopupHook), 0, (GInstanceInitFunc) NULL,
        };

        ecalph_parent_class = g_type_class_ref(e_popup_hook_get_type());
        type = g_type_register_static(e_popup_hook_get_type(), "ECalPopupHook", &info, 0);
    }
    
    return type;
}