path: root/mail/em-popup.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 *  Authors: Michael Zucchi <notzed@ximian.com>
 *
 *  Copyright 2004 Ximian, Inc. (www.ximian.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; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  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., 59 Temple Street #330, Boston, MA 02111-1307, USA.
 *
 */

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

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

#include <glib.h>

#include <gtk/gtkmenu.h>
#include <gtk/gtkmenuitem.h>
#include <gtk/gtkimagemenuitem.h>
#include <gtk/gtkcheckmenuitem.h>
#include <gtk/gtkradiomenuitem.h>
#include <gtk/gtkseparatormenuitem.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkimage.h>

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

#include "em-popup.h"
#include "e-util/e-msgport.h"
#include <e-util/e-icon-factory.h>
#include "em-utils.h"
#include "em-composer-utils.h"

#include <camel/camel-store.h>
#include <camel/camel-folder.h>
#include <camel/camel-mime-message.h>
#include <camel/camel-string-utils.h>
#include <camel/camel-mime-utils.h>
#include <camel/camel-mime-part.h>
#include <camel/camel-url.h>

#include <camel/camel-vee-folder.h>
#include <camel/camel-vtrash-folder.h>

#include <gconf/gconf.h>
#include <gconf/gconf-client.h>

#include <gal/util/e-util.h>

static void emp_standard_menu_factory(EMPopup *emp, EMPopupTarget *target, void *data);

struct _EMPopupFactory {
    struct _EMPopupFactory *next, *prev;

    char *menuid;
    EMPopupFactoryFunc factory;
    void *factory_data;
};

struct _menu_node {
    struct _menu_node *next, *prev;

    GSList *menu;
    GDestroyNotify freefunc;
};

struct _EMPopupPrivate {
    EDList menus;
};

static EDList emp_factories = E_DLIST_INITIALISER(emp_factories);

static GObjectClass *emp_parent;

static void
emp_init(GObject *o)
{
    EMPopup *emp = (EMPopup *)o;
    struct _EMPopupPrivate *p;

    p = emp->priv = g_malloc0(sizeof(struct _EMPopupPrivate));

    e_dlist_init(&p->menus);
}

static void
emp_finalise(GObject *o)
{
    EMPopup *emp = (EMPopup *)o;
    struct _EMPopupPrivate *p = emp->priv;
    struct _menu_node *mnode, *nnode;

    g_free(emp->menuid);

    mnode = (struct _menu_node *)p->menus.head;
    nnode = mnode->next;
    while (nnode) {
        if (mnode->freefunc)
            mnode->freefunc(mnode->menu);

        g_free(mnode);
        mnode = nnode;
        nnode = nnode->next;
    }

    g_free(p);

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

static void
emp_class_init(GObjectClass *klass)
{
    klass->finalize = emp_finalise;
}

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

    if (type == 0) {
        static const GTypeInfo info = {
            sizeof(EMPopupClass),
            NULL, NULL,
            (GClassInitFunc)emp_class_init,
            NULL, NULL,
            sizeof(EMPopup), 0,
            (GInstanceInitFunc)emp_init
        };
        emp_parent = g_type_class_ref(G_TYPE_OBJECT);
        type = g_type_register_static(G_TYPE_OBJECT, "EMPopup", &info, 0);

        /* FIXME: this should probably sit somewhere in global setup */
        em_popup_static_add_factory(NULL, (EMPopupFactoryFunc)emp_standard_menu_factory, NULL);
    }

    return type;
}

EMPopup *em_popup_new(const char *menuid)
{
    EMPopup *emp = g_object_new(em_popup_get_type(), 0);

    emp->menuid = g_strdup(menuid);

    return emp;
}

/**
 * em_popup_add_items:
 * @emp: 
 * @items: 
 * @freefunc: 
 * 
 * Add new EMPopupItems to the menu's.  Any with the same path
 * will override previously defined menu items, at menu building
 * time.
 **/
void
em_popup_add_items(EMPopup *emp, GSList *items, GDestroyNotify freefunc)
{
    struct _menu_node *node;

    node = g_malloc(sizeof(*node));
    node->menu = items;
    node->freefunc = freefunc;
    e_dlist_addtail(&emp->priv->menus, (EDListNode *)node);
}

/**
 * em_popup_add_static_items:
 * @emp: 
 * @target: Target of this menu.
 * 
 * Will load up any matching menu items from an installed
 * popup factory.  If the menuid of @emp is NULL, then this
 * has no effect.
 *
 **/
void
em_popup_add_static_items(EMPopup *emp, EMPopupTarget *target)
{
    struct _EMPopupFactory *f;

    if (emp->menuid == NULL || target == NULL)
        return;

    /* setup the menu itself */
    f = (struct _EMPopupFactory *)emp_factories.head;
    while (f->next) {
        if (f->menuid == NULL
            || !strcmp(f->menuid, emp->menuid)) {
            f->factory(emp, target, f->factory_data);
        }
        f = f->next;
    }
}

static int
emp_cmp(const void *ap, const void *bp)
{
    struct _EMPopupItem *a = *((void **)ap);
    struct _EMPopupItem *b = *((void **)bp);

    return strcmp(a->path, b->path);
}

/**
 * em_popup_create:
 * @menuitems: 
 * @hide_mask: used to hide menu items, not sure of it's utility,
 * since you could just 'not add them' in the first place.  Saves
 * copying logic anyway.
 * @disable_mask: used to disable menu items.
 * 
 * TEMPORARY code to create a menu from a list of items.
 * 
 * The menu items are merged based on their path element, and
 * built into a menu tree.
 *
 * Return value: 
 **/
GtkMenu *
em_popup_create_menu(EMPopup *emp, guint32 hide_mask, guint32 disable_mask)
{
    struct _EMPopupPrivate *p = emp->priv;
    struct _menu_node *mnode, *nnode;
    GPtrArray *items = g_ptr_array_new();
    GSList *l;
    GString *ppath = g_string_new("");
    GtkMenu *topmenu;
    GHashTable *menu_hash = g_hash_table_new(g_str_hash, g_str_equal),
        *group_hash = g_hash_table_new(g_str_hash, g_str_equal);
    /*char *domain = NULL;*/
    int i;

    /* FIXME: need to override old ones with new names */
    mnode = (struct _menu_node *)p->menus.head;
    nnode = mnode->next;
    while (nnode) {
        for (l=mnode->menu; l; l = l->next)
            g_ptr_array_add(items, l->data);
        mnode = nnode;
        nnode = nnode->next;
    }

    qsort(items->pdata, items->len, sizeof(items->pdata[0]), emp_cmp);

    topmenu = (GtkMenu *)gtk_menu_new();
    for (i=0;i<items->len;i++) {
        GtkWidget *label;
        struct _EMPopupItem *item = items->pdata[i];
        GtkMenu *thismenu;
        GtkMenuItem *menuitem;
        char *tmp;

        /* for bar's, the mask is exclusive or */
        if (item->mask) {
            if ((item->type & EM_POPUP_TYPE_MASK) == EM_POPUP_BAR) {
                if ((item->mask & hide_mask) == item->mask)
                    continue;
            } else if (item->mask & hide_mask)
                continue;
        }

        g_string_truncate(ppath, 0);
        tmp = strrchr(item->path, '/');
        if (tmp) {
            g_string_append_len(ppath, item->path, tmp-item->path);
            thismenu = g_hash_table_lookup(menu_hash, ppath->str);
            g_assert(thismenu != NULL);
        } else {
            thismenu = topmenu;
        }

        switch (item->type & EM_POPUP_TYPE_MASK) {
        case EM_POPUP_ITEM:
            if (item->image) {
                GdkPixbuf *pixbuf;
                GtkWidget *image;
                
                pixbuf = e_icon_factory_get_icon ((char *)item->image, E_ICON_SIZE_MENU);
                image = gtk_image_new_from_pixbuf (pixbuf);
                g_object_unref (pixbuf);

                gtk_widget_show(image);
                menuitem = (GtkMenuItem *)gtk_image_menu_item_new();
                gtk_image_menu_item_set_image((GtkImageMenuItem *)menuitem, image);
            } else {
                menuitem = (GtkMenuItem *)gtk_menu_item_new();
            }
            break;
        case EM_POPUP_TOGGLE:
            menuitem = (GtkMenuItem *)gtk_check_menu_item_new();
            gtk_check_menu_item_set_active((GtkCheckMenuItem *)menuitem, item->type & EM_POPUP_ACTIVE);
            break;
        case EM_POPUP_RADIO:
            menuitem = (GtkMenuItem *)gtk_radio_menu_item_new(g_hash_table_lookup(group_hash, ppath->str));
            g_hash_table_insert(group_hash, ppath->str, gtk_radio_menu_item_get_group((GtkRadioMenuItem *)menuitem));
            gtk_check_menu_item_set_active((GtkCheckMenuItem *)menuitem, item->type & EM_POPUP_ACTIVE);
            break;
        case EM_POPUP_IMAGE:
            menuitem = (GtkMenuItem *)gtk_image_menu_item_new();
            gtk_image_menu_item_set_image((GtkImageMenuItem *)menuitem, item->image);
            break;
        case EM_POPUP_SUBMENU: {
            GtkMenu *submenu = (GtkMenu *)gtk_menu_new();

            g_hash_table_insert(menu_hash, item->path, submenu);
            menuitem = (GtkMenuItem *)gtk_menu_item_new();
            gtk_menu_item_set_submenu(menuitem, (GtkWidget *)submenu);
            break; }
        case EM_POPUP_BAR:
            /* TODO: double-bar, end-bar stuff? */
            menuitem = (GtkMenuItem *)gtk_separator_menu_item_new();
            break;
        default:
            continue;
        }

        if (item->label) {
            label = gtk_label_new_with_mnemonic(_(item->label));
            gtk_misc_set_alignment((GtkMisc *)label, 0.0, 0.5);
            gtk_widget_show(label);
            gtk_container_add((GtkContainer *)menuitem, label);
        }

        if (item->activate)
            g_signal_connect(menuitem, "activate", item->activate, item->activate_data);

        gtk_menu_shell_append((GtkMenuShell *)thismenu, (GtkWidget *)menuitem);

        if (item->mask & disable_mask)
            gtk_widget_set_sensitive((GtkWidget *)menuitem, FALSE);

        gtk_widget_show((GtkWidget *)menuitem);
    }

    g_string_free(ppath, TRUE);
    g_ptr_array_free(items, TRUE);
    g_hash_table_destroy(menu_hash);
    g_hash_table_destroy(group_hash);

    return topmenu;
}

static void
emp_popup_done(GtkWidget *w, EMPopup *emp)
{
    gtk_widget_destroy(w);
    g_object_unref(emp);
}

/**
 * em_popup_create_menu_once:
 * @emp: EMPopup, once the menu is shown, this cannot be
 * considered a valid pointer.
 * @target: If set, the target of the selection.  Static menu
 * items will be added.  The target will be freed once complete.
 * @hide_mask: 
 * @disable_mask: 
 * 
 * Like popup_create_menu, but automatically sets up the menu
 * so that it is destroyed once a selection takes place, and
 * the EMPopup is unreffed.
 * 
 * Return value: A menu, to popup.
 **/
GtkMenu *
em_popup_create_menu_once(EMPopup *emp, EMPopupTarget *target, guint32 hide_mask, guint32 disable_mask)
{
    GtkMenu *menu;

    if (target)
        em_popup_add_static_items(emp, target);

    menu = em_popup_create_menu(emp, hide_mask, disable_mask);

    if (target)
        g_signal_connect_swapped(menu, "selection_done", G_CALLBACK(em_popup_target_free), target);
    g_signal_connect(menu, "selection_done", G_CALLBACK(emp_popup_done), emp);

    return menu;
}

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

/**
 * em_popup_static_add_factory:
 * @menuid: 
 * @func: 
 * @data: 
 * 
 * Add a popup factory which will be called to add_items() any
 * extra menu's if wants to do the current PopupTarget.
 *
 * TODO: Make the menuid a pattern?
 * 
 * Return value: A handle to the factory.
 **/
EMPopupFactory *
em_popup_static_add_factory(const char *menuid, EMPopupFactoryFunc func, void *data)
{
    struct _EMPopupFactory *f = g_malloc0(sizeof(*f));

    f->menuid = g_strdup(menuid);
    f->factory = func;
    f->factory_data = data;
    e_dlist_addtail(&emp_factories, (EDListNode *)f);

    return f;
}

/**
 * em_popup_static_remove_factory:
 * @f: 
 * 
 * Remove a popup factory.
 **/
void
em_popup_static_remove_factory(EMPopupFactory *f)
{
    e_dlist_remove((EDListNode *)f);
    g_free(f->menuid);
    g_free(f);
}

/**
 * em_popup_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: 
 **/
EMPopupTarget *
em_popup_target_new_select(struct _CamelFolder *folder, const char *folder_uri, GPtrArray *uids)
{
    EMPopupTarget *t = g_malloc0(sizeof(*t));
    guint32 mask = ~0;
    int i;
    const char *tmp;

    t->type = EM_POPUP_TARGET_SELECT;
    t->data.select.uids = uids;
    t->data.select.folder = folder;
    t->data.select.folder_uri = g_strdup(folder_uri);

    if (folder == NULL) {
        t->mask = mask;

        return t;
    }

    camel_object_ref(folder);
    mask &= ~EM_POPUP_SELECT_FOLDER;
    
    if (em_utils_folder_is_sent(folder, folder_uri))
        mask &= ~EM_POPUP_SELECT_EDIT;
    
    if (!(em_utils_folder_is_drafts(folder, folder_uri)
          || em_utils_folder_is_outbox(folder, folder_uri))
        && uids->len == 1)
        mask &= ~EM_POPUP_SELECT_ADD_SENDER;

    if (uids->len == 1)
        mask &= ~EM_POPUP_SELECT_ONE;

    if (uids->len >= 1)
        mask &= ~EM_POPUP_SELECT_MANY;

    for (i = 0; i < uids->len; i++) {
        CamelMessageInfo *info = camel_folder_get_message_info(folder, uids->pdata[i]);

        if (info == NULL)
            continue;

        if (info->flags & CAMEL_MESSAGE_SEEN)
            mask &= ~EM_POPUP_SELECT_MARK_UNREAD;
        else
            mask &= ~EM_POPUP_SELECT_MARK_READ;
        
        if (info->flags & CAMEL_MESSAGE_DELETED)
            mask &= ~EM_POPUP_SELECT_UNDELETE;
        else
            mask &= ~EM_POPUP_SELECT_DELETE;

        if (info->flags & CAMEL_MESSAGE_FLAGGED)
            mask &= ~EM_POPUP_SELECT_MARK_UNIMPORTANT;
        else
            mask &= ~EM_POPUP_SELECT_MARK_IMPORTANT;

        if (info->flags & CAMEL_MESSAGE_JUNK)
            mask &= ~EM_POPUP_SELECT_MARK_NOJUNK;
        else
            mask &= ~EM_POPUP_SELECT_MARK_JUNK;
            
        tmp = camel_tag_get (&info->user_tags, "follow-up");
        if (tmp && *tmp) {
            mask &= ~EM_POPUP_SELECT_FLAG_CLEAR;
            tmp = camel_tag_get(&info->user_tags, "completed-on");
            if (tmp == NULL || *tmp == 0)
                mask &= ~EM_POPUP_SELECT_FLAG_COMPLETED;
        } else
            mask &= ~EM_POPUP_SELECT_FLAG_FOLLOWUP;

        if (i == 0 && uids->len == 1
            && (tmp = camel_message_info_mlist(info))
            && tmp[0] != 0)
            mask &= ~EM_POPUP_SELECT_MAILING_LIST;

        camel_folder_free_message_info(folder, info);
    }

    t->mask = mask;

    return t;
}

EMPopupTarget *
em_popup_target_new_uri(const char *uri)
{
    EMPopupTarget *t = g_malloc0(sizeof(*t));
    guint32 mask = ~0;

    t->type = EM_POPUP_TARGET_URI;
    t->data.uri = g_strdup(uri);

    if (g_ascii_strncasecmp(uri, "http:", 5) == 0
        || g_ascii_strncasecmp(uri, "https:", 6) == 0)
        mask &= ~EM_POPUP_URI_HTTP;
    if (g_ascii_strncasecmp(uri, "mailto:", 7) == 0)
        mask &= ~EM_POPUP_URI_MAILTO;
    else
        mask &= ~EM_POPUP_URI_NOT_MAILTO;

    t->mask = mask;

    return t;
}

EMPopupTarget *
em_popup_target_new_part(struct _CamelMimePart *part, const char *mime_type)
{
    EMPopupTarget *t = g_malloc0(sizeof(*t));
    guint32 mask = ~0;

    t->type = EM_POPUP_TARGET_PART;
    t->data.part.part = part;
    camel_object_ref(part);
    if (mime_type)
        t->data.part.mime_type = g_strdup(mime_type);
    else
        t->data.part.mime_type = camel_data_wrapper_get_mime_type((CamelDataWrapper *)part);

    camel_strdown(t->data.part.mime_type);

    if (CAMEL_IS_MIME_MESSAGE(camel_medium_get_content_object((CamelMedium *)part)))
        mask &= ~EM_POPUP_PART_MESSAGE;

    if (strncmp(t->data.part.mime_type, "image/", 6) == 0)
        mask &= ~EM_POPUP_PART_IMAGE;

    t->mask = mask;

    return t;
}

/* TODO: This should be based on the CamelFolderInfo, but ... em-folder-tree doesn't keep it? */
EMPopupTarget *
em_popup_target_new_folder (const char *uri, guint32 info_flags, guint32 popup_flags)
{
    EMPopupTarget *t = g_malloc0(sizeof(*t));
    guint32 mask = ~0;
    CamelURL *url;

    t->type = EM_POPUP_TARGET_FOLDER;
    t->data.folder.folder_uri = g_strdup(uri);

    if (popup_flags & EM_POPUP_FOLDER_STORE)
        mask &= ~(EM_POPUP_FOLDER_STORE|EM_POPUP_FOLDER_INFERIORS);
    else
        mask &= ~EM_POPUP_FOLDER_FOLDER;
    
    url = camel_url_new(uri, NULL);
    if (url == NULL)
        goto done;
    
    if (!(popup_flags & EM_POPUP_FOLDER_STORE)) {
        const char *path;
        
        if (popup_flags & EM_POPUP_FOLDER_DELETE)
            mask &= ~EM_POPUP_FOLDER_DELETE;
        
        if (!(info_flags & CAMEL_FOLDER_NOINFERIORS))
            mask &= ~EM_POPUP_FOLDER_INFERIORS;
        
        if (!(info_flags & CAMEL_FOLDER_NOSELECT))
            mask &= ~EM_POPUP_FOLDER_SELECT;
        
        if (info_flags & CAMEL_FOLDER_VIRTUAL)
            mask |= EM_POPUP_FOLDER_DELETE|EM_POPUP_FOLDER_INFERIORS;
        
        if ((path = url->fragment ? url->fragment : url->path)) {
            if ((!strcmp (url->protocol, "vfolder") && !strcmp (path, CAMEL_UNMATCHED_NAME))
                || (!strcmp (url->protocol, "maildir") && !strcmp (path, "."))) /* hack for maildir toplevel folder */
                mask |= EM_POPUP_FOLDER_DELETE|EM_POPUP_FOLDER_INFERIORS;
        }
    }
    
    camel_url_free(url);
done:
    t->mask = mask;

    return t;
}

void
em_popup_target_free(EMPopupTarget *t)
{
    switch (t->type) {
    case EM_POPUP_TARGET_SELECT:
        if (t->data.select.folder)
            camel_object_unref(t->data.select.folder);
        g_free(t->data.select.folder_uri);
        if (t->data.select.uids)
            em_utils_uids_free(t->data.select.uids);
        break;
    case EM_POPUP_TARGET_URI:
        g_free(t->data.uri);
        break;
    case EM_POPUP_TARGET_PART:
        camel_object_unref(t->data.part.part);
        g_free(t->data.part.mime_type);
        break;
    case EM_POPUP_TARGET_FOLDER:
        g_free(t->data.folder.folder_uri);
        break;
    }

    g_free(t);
}

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

#if 0
/* TODO: flesh these out where possible */
static void
emp_popup_open(GtkWidget *w, EMFolderView *emfv)
{
    em_folder_view_open_selected(emfv);
}

static void
emp_popup_edit (GtkWidget *w, EMPopupTarget *t)
{
    if (!em_utils_check_user_can_send_mail(t->widget))
        return;
    
    em_utils_edit_messages(t->widget, t->data.select.folder, em_utils_uids_copy(t->data.select.uids), FALSE);
}

static void
emp_popup_saveas(GtkWidget *w, EMPopupTarget *t)
{
    em_utils_save_messages(t->widget, t->data.select.folder, em_utils_uids_copy(t->data.select.uids));
}

static EMPopupItem emp_standard_select_popups[] = {
    /*{ EM_POPUP_ITEM, "00.select.00", N_("_Open"), G_CALLBACK(emp_popup_open), NULL, NULL, 0 },*/
    { EM_POPUP_ITEM, "00.select.01", N_("_Edit as New Message..."), G_CALLBACK(emp_popup_edit), NULL, NULL, EM_POPUP_SELECT_EDIT },
    { EM_POPUP_ITEM, "00.select.02", N_("_Save As..."), G_CALLBACK(emp_popup_saveas), NULL, "stock_save-as", 0 },   
};
#endif

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

static void
emp_part_popup_saveas(GtkWidget *w, EMPopupTarget *t)
{
    em_utils_save_part(w, _("Save As..."), t->data.part.part);
}

static void
emp_part_popup_set_background(GtkWidget *w, EMPopupTarget *t)
{
    GConfClient *gconf;
    char *str, *filename, *path, *extension;
    unsigned int i=1;
    
    filename = g_strdup(camel_mime_part_get_filename(t->data.part.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(t->data.part.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 (em_utils_save_part_to_file(w, path, t->data.part.part)) {
        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 void
emp_part_popup_reply_sender (GtkWidget *w, EMPopupTarget *t)
{
    CamelMimeMessage *message;
    
    message = (CamelMimeMessage *) camel_medium_get_content_object ((CamelMedium *) t->data.part.part);
    em_utils_reply_to_message (message, REPLY_MODE_SENDER);
}

static void
emp_part_popup_reply_list (GtkWidget *w, EMPopupTarget *t)
{
    CamelMimeMessage *message;
    
    message = (CamelMimeMessage *) camel_medium_get_content_object ((CamelMedium *) t->data.part.part);
    em_utils_reply_to_message (message, REPLY_MODE_LIST);
}

static void
emp_part_popup_reply_all (GtkWidget *w, EMPopupTarget *t)
{
    CamelMimeMessage *message;
    
    message = (CamelMimeMessage *) camel_medium_get_content_object ((CamelMedium *) t->data.part.part);
    em_utils_reply_to_message (message, REPLY_MODE_ALL);
}

static void
emp_part_popup_forward (GtkWidget *w, EMPopupTarget *t)
{
    CamelMimeMessage *message;

    /* TODO: have a emfv specific override so we can get the parent folder uri */
    message = (CamelMimeMessage *) camel_medium_get_content_object ((CamelMedium *) t->data.part.part);
    em_utils_forward_message (message, NULL);
}

static EMPopupItem emp_standard_object_popups[] = {
    { EM_POPUP_ITEM, "00.part.00", N_("_Save As..."), G_CALLBACK(emp_part_popup_saveas), NULL, "stock_save-as", 0 },
    { EM_POPUP_ITEM, "00.part.10", N_("Set as _Background"), G_CALLBACK(emp_part_popup_set_background), NULL, NULL, EM_POPUP_PART_IMAGE },
    { EM_POPUP_BAR, "10.part", NULL, NULL, NULL, NULL, EM_POPUP_PART_MESSAGE },
    { EM_POPUP_ITEM, "10.part.00", N_("_Reply to sender"), G_CALLBACK(emp_part_popup_reply_sender), NULL, "stock_mail-reply" , EM_POPUP_PART_MESSAGE },
    { EM_POPUP_ITEM, "10.part.01", N_("Reply to _List"), G_CALLBACK(emp_part_popup_reply_list), NULL, NULL, EM_POPUP_PART_MESSAGE},
    { EM_POPUP_ITEM, "10.part.03", N_("Reply to _All"), G_CALLBACK(emp_part_popup_reply_all), NULL, "stock_mail-reply_to_all", EM_POPUP_PART_MESSAGE},
    { EM_POPUP_BAR, "20.part", NULL, NULL, NULL, NULL, EM_POPUP_PART_MESSAGE },
    { EM_POPUP_ITEM, "20.part.00", N_("_Forward"), G_CALLBACK(emp_part_popup_forward), NULL, "stock_mail-forward", EM_POPUP_PART_MESSAGE },

};

static const EMPopupItem emp_standard_part_apps_bar = { EM_POPUP_BAR, "99.object" };

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

static void
emp_uri_popup_link_open(GtkWidget *w, EMPopupTarget *t)
{
    GError *err = NULL;
        
    gnome_url_show(t->data.uri, &err);
    if (err) {
        g_warning("gnome_url_show: %s", err->message);
        g_error_free(err);
    }
}

static void
emp_uri_popup_address_send (GtkWidget *w, EMPopupTarget *t)
{
    /* TODO: have an emfv specific override to get the from uri */
    em_utils_compose_new_message_with_mailto (t->data.uri, NULL);
}

static void
emp_uri_popup_address_add(GtkWidget *w, EMPopupTarget *t)
{
    CamelURL *url;

    url = camel_url_new(t->data.uri, NULL);
    if (url == NULL) {
        g_warning("cannot parse url '%s'", t->data.uri);
        return;
    }

    if (url->path && url->path[0])
        em_utils_add_address(w, url->path);

    camel_url_free(url);
}

static EMPopupItem emp_standard_uri_popups[] = {
    { EM_POPUP_ITEM, "00.uri.00", N_("_Open Link in Browser"), G_CALLBACK(emp_uri_popup_link_open), NULL, NULL, EM_POPUP_URI_NOT_MAILTO },
    { EM_POPUP_ITEM, "00.uri.10", N_("Se_nd message to..."), G_CALLBACK(emp_uri_popup_address_send), NULL, NULL, EM_POPUP_URI_MAILTO },
    { EM_POPUP_ITEM, "00.uri.20", N_("_Add to Addressbook"), G_CALLBACK(emp_uri_popup_address_add), NULL, NULL, EM_POPUP_URI_MAILTO },
};

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

#define LEN(x) (sizeof(x)/sizeof(x[0]))

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

struct _open_in_item {
    EMPopupItem item;
    EMPopupTarget *target;
    GnomeVFSMimeApplication *app;
};

static void
emp_apps_open_in(GtkWidget *w, struct _open_in_item *item)
{
    char *path;

    path = em_utils_temp_save_part(item->target->widget, item->target->data.part.part);
    if (path) {
        int douri = (item->app->expects_uris == GNOME_VFS_MIME_APPLICATION_ARGUMENT_TYPE_URIS);
        char *command;
        
        if (item->app->requires_terminal) {
            char *term, *args = NULL;
            GConfClient *gconf;
            
            gconf = gconf_client_get_default ();
            if ((term = gconf_client_get_string (gconf, "/desktop/gnome/applications/terminal/exec", NULL)))
                args = gconf_client_get_string (gconf, "/desktop/gnome/applications/terminal/exec_arg", NULL);
            g_object_unref (gconf);
            
            if (term == NULL)
                return;
            
            command = g_strdup_printf ("%s%s%s %s %s%s &", term, args ? " " : "", args ? args : "",
                           item->app->command, douri ? "file://" : "", path);
            g_free (term);
            g_free (args);
        } else {
            command = g_strdup_printf ("%s %s%s &", item->app->command, douri ? "file://" : "", path);
        }
        
        /* FIXME: Do not use system here */
        system(command);
        g_free(command);
        g_free(path);
    }
}

static void
emp_apps_popup_free(GSList *free_list)
{
    while (free_list) {
        GSList *n = free_list->next;
        struct _open_in_item *item = free_list->data;

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

        free_list = n;
    }
}

static void
emp_standard_menu_factory(EMPopup *emp, EMPopupTarget *target, void *data)
{
    int i, len;
    EMPopupItem *items;
    GSList *menus = NULL;

    switch (target->type) {
#if 0
    case EM_POPUP_TARGET_SELECT:
        return;
        items = emp_standard_select_popups;
        len = LEN(emp_standard_select_popups);
        break;
#endif
    case EM_POPUP_TARGET_URI:
        items = emp_standard_uri_popups;
        len = LEN(emp_standard_uri_popups);
        break;
    case EM_POPUP_TARGET_PART: {
        GList *apps = gnome_vfs_mime_get_short_list_applications(target->data.part.mime_type);

        /* FIXME: use the snoop_part stuff from em-format.c */
        if (apps == NULL && strcmp(target->data.part.mime_type, "application/octet-stream") == 0) {
            const char *filename, *name_type;
            
            filename = camel_mime_part_get_filename(target->data.part.part);

            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_short_list_applications(name_type);
            }
        }

        if (apps) {
            GString *label = g_string_new("");
            GSList *open_menus = NULL;
            GList *l;

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

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

                if (app->requires_terminal)
                    continue;

                item = g_malloc0(sizeof(*item));
                item->item.type = EM_POPUP_ITEM;
                item->item.path = g_strdup_printf("99.object.%02d", i);
                item->item.label = g_strdup_printf(_("Open in %s..."), app->name);
                item->item.activate = G_CALLBACK(emp_apps_open_in);
                item->item.activate_data = item;
                item->target = target;
                item->app = app;

                open_menus = g_slist_prepend(open_menus, item);
            }

            if (open_menus)
                em_popup_add_items(emp, open_menus, (GDestroyNotify)emp_apps_popup_free);

            g_string_free(label, TRUE);
            g_list_free(apps);
        }

        items = emp_standard_object_popups;
        len = LEN(emp_standard_object_popups);
        break; }
    default:
        items = NULL;
        len = 0;
    }

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

    if (menus)
        em_popup_add_items(emp, menus, (GDestroyNotify)g_slist_free);
}