path: root/mail/em-folder-browser.c

/*
 * 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>
 *      Jeffrey Stedfast <fejj@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

#include <string.h>

#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <gconf/gconf-client.h>

#ifdef G_OS_WIN32
/* Work around 'DATADIR' and 'interface' lossage in <windows.h> */
#define DATADIR crap_DATADIR
#include <windows.h>
#undef DATADIR
#undef interface
#endif

#include "mail-mt.h"
#include "mail-ops.h"
#include "mail-tools.h"
#include "mail-config.h"

#include <e-util/e-dialog-utils.h>
#include <e-util/e-icon-factory.h>

#include <camel/camel-stream.h>
#include <camel/camel-url.h>
#include <camel/camel-folder.h>
#include <camel/camel-vee-folder.h>
#include <camel/camel-vee-store.h>
#include <camel/camel-operation.h>

#include <bonobo/bonobo-main.h>
#include <bonobo/bonobo-object.h>
#include <bonobo/bonobo-generic-factory.h>
#include <bonobo/bonobo-control.h>
#include <bonobo/bonobo-ui-component.h>
#include <bonobo/bonobo-ui-util.h>

/* for efilterbar stuff */
#include <libedataserver/e-sexp.h>
#include "mail-vfolder.h"
#include "em-vfolder-rule.h"
#include "em-folder-tree.h"
#include <misc/e-filter-bar.h>
#include <camel/camel-search-private.h>
#include <camel/camel-store.h>

#include "e-util/e-dialog-utils.h"
#include "e-util/e-util.h"
#include "e-util/e-error.h"
#include "e-util/e-util-private.h"
#include "e-util/e-util-labels.h"
#include "e-mail-search-bar.h"
#include "em-utils.h"
#include "em-composer-utils.h"
#include "em-format-html-display.h"
#include "em-format-html-print.h"
#include "em-folder-browser.h"
#include "em-folder-properties.h"
#include "em-folder-utils.h"
#include "em-subscribe-editor.h"
#include "em-menu.h"
#include "em-event.h"
#include "message-list.h"

#include "mail-component.h"
#include "mail-ops.h"

#include "evolution-shell-component-utils.h" /* Pixmap stuff, sigh */

#include <gtkhtml/gtkhtml.h>

extern CamelSession *session;
CamelStore *vfolder_store; /* the 1 static vfolder store */

#define d(x)

struct _EMFolderBrowserPrivate {
    GtkWidget *preview; /* container for message display */
    GtkWidget *scroll;
    GtkWidget *search_bar;

    GtkWidget *subscribe_editor;

    guint search_menu_activated_id;
    guint search_activated_id;

    double default_scroll_position;
    guint idle_scroll_id;
    guint list_scrolled_id;

    guint vpane_resize_id;
    guint list_built_id;    /* hook onto list-built for delayed 'select first unread' stuff */

    char *select_uid;
    guint folder_changed_id;

    guint show_wide:1;
    guint suppress_message_selection:1;
    gboolean scope_restricted;

    EMMenu *menu;       /* toplevel menu manager */

    guint labels_change_notify_id; /* mail_config's notify id */
    guint labels_change_idle_id; /* rebuild menu on idle, when all know about a change */
};

typedef struct EMFBSearchBarItem {
    ESearchBarItem search;
    const gchar *image;
} EMFBSearchBarItem;

static void emfb_activate(EMFolderView *emfv, BonoboUIComponent *uic, int state);
static void emfb_set_folder(EMFolderView *emfv, CamelFolder *folder, const char *uri);
static void emfb_set_search_folder(EMFolderView *emfv, CamelFolder *folder, const char *uri);

/* FilterBar stuff ... */
static void emfb_search_config_search(EFilterBar *efb, FilterRule *rule, int id, const char *query, void *data);
static void emfb_search_menu_activated(ESearchBar *esb, int id, EMFolderBrowser *emfb);
static void emfb_search_search_activated(ESearchBar *esb, EMFolderBrowser *emfb);
static void emfb_search_search_cleared(ESearchBar *esb);

static int emfb_list_key_press(ETree *tree, int row, ETreePath path, int col, GdkEvent *ev, EMFolderBrowser *emfb);
static void emfb_list_message_selected (MessageList *ml, const char *uid, EMFolderBrowser *emfb);

static void emfb_expand_all_threads(BonoboUIComponent *uid, void *data, const char *path);

static const EMFolderViewEnable emfb_enable_map[] = {
    { "EditInvertSelection", EM_POPUP_SELECT_FOLDER },
    { "EditSelectAll", EM_POPUP_SELECT_FOLDER },
    { "EditSelectThread", EM_FOLDER_VIEW_SELECT_THREADED },
    { "EditSelectSubthread", EM_FOLDER_VIEW_SELECT_THREADED },
    { "FolderExpunge", EM_POPUP_SELECT_FOLDER },
    { "FolderCopy", EM_POPUP_SELECT_FOLDER },
    { "FolderMove", EM_POPUP_SELECT_FOLDER },
    { "FolderDelete", EM_POPUP_SELECT_FOLDER },
    { "FolderRename", EM_POPUP_SELECT_FOLDER },
    { "FolderRefresh", EM_POPUP_SELECT_FOLDER },
    { "ChangeFolderProperties", EM_POPUP_SELECT_FOLDER },
    { "MessageMarkAllAsRead", EM_POPUP_SELECT_FOLDER },
    { "ViewHideSelected", EM_POPUP_SELECT_MANY },
    { "ViewThreadsCollapseAll", EM_FOLDER_VIEW_SELECT_THREADED},
    { "ViewThreadsExpandAll", EM_FOLDER_VIEW_SELECT_THREADED},
    { NULL },
};

enum {
    ACCOUNT_SEARCH_ACTIVATED,
    ACCOUNT_SEARCH_CLEARED,
    LAST_SIGNAL
};

static guint folder_browser_signals [LAST_SIGNAL] = {0, };

enum {
    ESB_SAVE
};

static ESearchBarItem emfb_search_items[] = {
    E_FILTERBAR_ADVANCED,
    { NULL, 0, 0 },
    E_FILTERBAR_SAVE,
    E_FILTERBAR_EDIT,
    { NULL, 0, 0 },
    { (gchar *) N_("C_reate Search Folder From Search..."), ESB_SAVE, 0},
    { NULL, -1, 0 }
};

/* IDs and option items for the ESearchBar */
enum {
    VIEW_ALL_MESSAGES,
    VIEW_UNREAD_MESSAGES,
    VIEW_READ_MESSAGES,
    VIEW_RECENT_MESSAGES,
    VIEW_LAST_FIVE_DAYS,
    VIEW_WITH_ATTACHMENTS,
    VIEW_NOT_JUNK,
    VIEW_NO_LABEL,
    VIEW_LABEL,
    VIEW_ANY_FIELD_CONTAINS,
    VIEW_MESSAGES_MARKED_AS_IMPORTANT,
    VIEW_CUSTOMIZE
};

/* label IDs are set above this number */
#define VIEW_ITEMS_MASK 63

/* Options for View */
static EMFBSearchBarItem emfb_view_items[] = {
    {{ (gchar *) N_("All Messages"), VIEW_ALL_MESSAGES, 0 }, NULL},
    {{ (gchar *) N_("Unread Messages"), VIEW_UNREAD_MESSAGES, 0 }, "mail-unread"},
    {{ NULL, 0, 0 }, NULL},
    {{ (gchar *) N_("No Label"),VIEW_NO_LABEL, 0 }, NULL},
    {{ NULL, -1, 0 }, NULL}
};

/* TODO: Following options should be  customizable */
static EMFBSearchBarItem temp_view_items[] = {
    {{ NULL, 0, 0 }, NULL},
    {{ (gchar *) N_("Read Messages"), VIEW_READ_MESSAGES, 0 }, "mail-read"},
    {{ (gchar *) N_("Recent Messages"), VIEW_RECENT_MESSAGES, 0 }, NULL},
    {{ (gchar *) N_("Last 5 Days' Messages"), VIEW_LAST_FIVE_DAYS, 0 }, NULL},
    {{ (gchar *) N_("Messages with Attachments"), VIEW_WITH_ATTACHMENTS, 0 }, "mail-attachment"},
    {{ (gchar *) N_("Important Messages"), VIEW_MESSAGES_MARKED_AS_IMPORTANT, 0}, "emblem-important"},
    {{ (gchar *) N_("Messages Not Junk"), VIEW_NOT_JUNK, 0 }, "mail-mark-notjunk"},
    {{ NULL, -1, 0 }, NULL}
};

static ESearchBarItem emfb_search_scope_items[] = {
    E_FILTERBAR_CURRENT_FOLDER,
    E_FILTERBAR_CURRENT_ACCOUNT,
    E_FILTERBAR_ALL_ACCOUNTS,
    { NULL, -1, 0 }
};

static EMFolderViewClass *emfb_parent;

/* Needed since the paned wont take the position its given otherwise ... */
static void
emfb_pane_realised(GtkWidget *w, EMFolderBrowser *emfb)
{
    GConfClient *gconf;

    gconf = mail_config_get_gconf_client ();

    if (emfb->priv->show_wide)
        gtk_paned_set_position((GtkPaned *)emfb->vpane, gconf_client_get_int(gconf, "/apps/evolution/mail/display/hpaned_size", NULL));
    else
        gtk_paned_set_position((GtkPaned *)emfb->vpane, gconf_client_get_int(gconf, "/apps/evolution/mail/display/paned_size", NULL));
}

static gboolean
emfb_pane_button_release_event(GtkWidget *w, GdkEventButton *e, EMFolderBrowser *emfb)
{
    GConfClient *gconf = mail_config_get_gconf_client ();

    if (GTK_WIDGET_REALIZED (w)) {
        if (emfb->priv->show_wide)
            gconf_client_set_int(gconf, "/apps/evolution/mail/display/hpaned_size",
                         gtk_paned_get_position(GTK_PANED(w)), NULL);
        else
            gconf_client_set_int(gconf, "/apps/evolution/mail/display/paned_size",
                         gtk_paned_get_position(GTK_PANED(w)), NULL);

    }

    return FALSE;
}

static void
free_one_ui_file (gpointer data,
          gpointer user_data)
{
    g_free (data);
}

static GtkWidget *
generate_viewoption_menu (GtkWidget *emfv)
{
    GtkWidget *menu, *menu_item;
    gint i = 0;
    GSList *l;

    menu = gtk_menu_new ();

    for (i = 0; emfb_view_items[i].search.id != -1; ++i) {
        if (emfb_view_items[i].search.text) {
            char *str;

            str = e_str_without_underscores (_(emfb_view_items[i].search.text));
            menu_item = gtk_image_menu_item_new_with_label (str);
            if (emfb_view_items[i].image) {
                GtkWidget *image;

                image = gtk_image_new_from_icon_name (
                    emfb_view_items[i].image,
                    GTK_ICON_SIZE_MENU);
                gtk_image_menu_item_set_image (
                    GTK_IMAGE_MENU_ITEM (menu_item),
                    image);
            }
            g_free (str);
        } else {
            menu_item = gtk_menu_item_new ();
            gtk_widget_set_sensitive (menu_item, FALSE);
        }

        g_object_set_data (G_OBJECT (menu_item), "EsbItemId",
                   GINT_TO_POINTER (emfb_view_items[i].search.id));

        gtk_widget_show (menu_item);
        gtk_menu_shell_append(GTK_MENU_SHELL(menu), menu_item);
    }

    /* Add the labels */
    for (l = mail_config_get_labels (), i = 0; l; l = l->next, i++) {
        EUtilLabel *label = l->data;
        if (label->name && *(label->name)) {
            char *str;
            GdkPixmap *pixmap;
            GdkColor colour;
            GdkGC *gc;
            GtkWidget *image;

            gdk_color_parse(label->colour, &colour);
            gdk_colormap_alloc_color(gdk_colormap_get_system(), &colour, FALSE, TRUE);

            pixmap = gdk_pixmap_new(((GtkWidget *)emfv)->window, 16, 16, -1);
            gc = gdk_gc_new(((GtkWidget *)emfv)->window);
            gdk_gc_set_foreground(gc, &colour);
            gdk_draw_rectangle(pixmap, gc, TRUE, 0, 0, 16, 16);
            g_object_unref(gc);

            image = gtk_image_new_from_pixmap(pixmap, NULL);
            str = e_str_without_underscores (label->name);
            menu_item = gtk_image_menu_item_new_with_label (str);
            g_free (str);
            gtk_image_menu_item_set_image ((GtkImageMenuItem *)menu_item, image);
            g_object_set_data (G_OBJECT (menu_item), "EsbItemId",
                       GINT_TO_POINTER (VIEW_LABEL + (VIEW_ITEMS_MASK + 1) * i));

            g_object_set_data_full (G_OBJECT (menu_item), "LabelTag",
                        g_strdup (strncmp (label->tag, "$Label", 6) == 0 ? label->tag + 6 : label->tag),
                        g_free);
        }

        gtk_widget_show (menu_item);
        gtk_menu_shell_append(GTK_MENU_SHELL(menu), menu_item);
    }

    for (i = 0; temp_view_items[i].search.id != -1; ++i) {
        if (temp_view_items[i].search.text) {
            char *str;
            str = e_str_without_underscores (_(temp_view_items[i].search.text));
            menu_item = gtk_image_menu_item_new_with_label (str);
            if (temp_view_items[i].image) {
                GtkWidget *image;

                image = gtk_image_new_from_icon_name (
                    temp_view_items[i].image,
                    GTK_ICON_SIZE_MENU);
                gtk_image_menu_item_set_image (
                    GTK_IMAGE_MENU_ITEM (menu_item),
                    image);
            }
            g_free (str);
        } else {
            menu_item = gtk_menu_item_new ();
            gtk_widget_set_sensitive (menu_item, FALSE);
        }

        g_object_set_data (G_OBJECT (menu_item), "EsbItemId",
                   GINT_TO_POINTER (temp_view_items[i].search.id));

        gtk_widget_show (menu_item);
        gtk_menu_shell_append(GTK_MENU_SHELL(menu), menu_item);
    }

    return menu;
}

#if 0
static GArray *
viewoption_menu_generator ()
{
    GArray *menu = g_array_new (FALSE, FALSE, sizeof (ESearchBarItem));
    gint i = 0;
    ESearchBarItem dup_item;
    GSList *l;

    for (i = 0; emfb_view_items[i].search.id != -1; i++)
        g_array_append_vals (menu, &emfb_view_items[i], 1);

    for (l = mail_config_get_labels (); l; l = l->next) {
        ESearchBarItem item;
        EUtilLabel *label = l->data;

        item.text = label->name;
        item.id = VIEW_LABEL;

        g_array_append_vals (menu, &item, 1);
    }

    dup_item.id = -1;
    dup_item.text = NULL;
    g_array_append_vals (menu, &dup_item, 1);

    return menu;
}
#endif

static void
emfb_realize (GtkWidget *widget)
{
    GtkWidget *menu;
    EMFolderBrowser *emfb = (EMFolderBrowser *)widget;
    int id;

    menu = generate_viewoption_menu (widget);
    id = e_search_bar_get_viewitem_id (E_SEARCH_BAR (emfb->search));

    e_search_bar_set_viewoption_menu (E_SEARCH_BAR (emfb->search), menu);

    /* restore last selected ID, if any */
    if (id != -1)
        e_search_bar_set_viewitem_id (E_SEARCH_BAR (emfb->search), id);
}

static void
html_scroll (GtkHTML *html,
    GtkOrientation orientation,
    GtkScrollType  scroll_type,
    gfloat         position,
    EMFolderBrowser *emfb)

{
    if (html->binding_handled || orientation != GTK_ORIENTATION_VERTICAL || !mail_config_get_enable_magic_spacebar ())
        return;

    if (scroll_type == GTK_SCROLL_PAGE_FORWARD) {
        gtk_widget_grab_focus ((GtkWidget *)((EMFolderView *) emfb)->list);
        message_list_select(((EMFolderView *) emfb)->list, MESSAGE_LIST_SELECT_NEXT, 0, CAMEL_MESSAGE_SEEN);
    } else if (scroll_type == GTK_SCROLL_PAGE_BACKWARD) {
        gtk_widget_grab_focus ((GtkWidget *)((EMFolderView *) emfb)->list);
        message_list_select(((EMFolderView *) emfb)->list, MESSAGE_LIST_SELECT_NEXT, 0, CAMEL_MESSAGE_SEEN);
    }
}

static gboolean
labels_changed_idle_cb (gpointer user_data)
{
    EMFolderBrowser *emfb = (EMFolderBrowser*) user_data;

    emfb_realize (GTK_WIDGET (emfb));

    emfb->priv->labels_change_idle_id = 0;

    return FALSE;
}

static void
gconf_labels_changed (GConfClient *client, guint cnxn_id,
              GConfEntry *entry, gpointer user_data)
{
    EMFolderBrowser *emfb = (EMFolderBrowser*) user_data;

    /* regenerate menu option whenever something changed in labels */
    if (emfb && !emfb->priv->labels_change_idle_id)
        emfb->priv->labels_change_idle_id = g_idle_add (labels_changed_idle_cb, emfb);
}

static void
emfb_init(GObject *o)
{
    EMFolderBrowser *emfb = (EMFolderBrowser *)o;
    RuleContext *search_context = mail_component_peek_search_context (mail_component_peek ());
    struct _EMFolderBrowserPrivate *p;
    GtkWidget *html;

    EMEvent *eme;
    EMEventTargetFolderBrowser *target;

    p = emfb->priv = g_malloc0(sizeof(struct _EMFolderBrowserPrivate));

    emfb->view.preview_active = TRUE;
    emfb->view.list_active = TRUE;

    g_signal_connect_after (((EMFormatHTML *)(emfb->view.preview))->html, "scroll", G_CALLBACK (html_scroll), emfb);

    g_slist_foreach (emfb->view.ui_files, free_one_ui_file, NULL);
    g_slist_free(emfb->view.ui_files);

    emfb->view.ui_files = g_slist_append(NULL,
                         g_build_filename (EVOLUTION_UIDIR,
                                   "evolution-mail-global.xml",
                                   NULL));
    emfb->view.ui_files = g_slist_append(emfb->view.ui_files,
                         g_build_filename (EVOLUTION_UIDIR,
                                   "evolution-mail-list.xml",
                                   NULL));
    emfb->view.ui_files = g_slist_append(emfb->view.ui_files,
                         g_build_filename (EVOLUTION_UIDIR,
                                   "evolution-mail-message.xml",
                                   NULL));

    emfb->view.enable_map = g_slist_prepend(emfb->view.enable_map, (void *)emfb_enable_map);

    if (search_context) {
        const char *systemrules = g_object_get_data (G_OBJECT (search_context), "system");
        const char *userrules = g_object_get_data (G_OBJECT (search_context), "user");
        EFilterBar *efb;
        GConfClient *gconf;

        emfb->search = e_filter_bar_new(search_context, systemrules, userrules, emfb_search_config_search, emfb);
        efb = (EFilterBar *)emfb->search;
        efb->account_search_vf = NULL;
        efb->all_account_search_vf = NULL;
        efb->account_search_cancel = NULL;
        e_search_bar_set_menu ((ESearchBar *)emfb->search, emfb_search_items);
        e_search_bar_set_scopeoption ((ESearchBar *)emfb->search, emfb_search_scope_items);
        emfb->priv->scope_restricted = TRUE;
        g_signal_connect(emfb, "realize", G_CALLBACK(emfb_realize), NULL);
        gtk_widget_show((GtkWidget *)emfb->search);

        p->search_menu_activated_id = g_signal_connect(emfb->search, "menu_activated", G_CALLBACK(emfb_search_menu_activated), emfb);
        p->search_activated_id = g_signal_connect(emfb->search, "search_activated", G_CALLBACK(emfb_search_search_activated), emfb);
        g_signal_connect(emfb->search, "search_cleared", G_CALLBACK(emfb_search_search_cleared), NULL);

        gtk_box_pack_start((GtkBox *)emfb, (GtkWidget *)emfb->search, FALSE, TRUE, 0);

        gconf = mail_config_get_gconf_client ();
        emfb->priv->labels_change_notify_id = gconf_client_notify_add (gconf, E_UTIL_LABELS_GCONF_KEY, gconf_labels_changed, emfb, NULL, NULL);
    }

    emfb->priv->show_wide = gconf_client_get_bool(mail_config_get_gconf_client(), "/apps/evolution/mail/display/show_wide", NULL);
    emfb->vpane = emfb->priv->show_wide?gtk_hpaned_new():gtk_vpaned_new();

    g_signal_connect(emfb->vpane, "realize", G_CALLBACK(emfb_pane_realised), emfb);
    emfb->priv->vpane_resize_id = g_signal_connect(emfb->vpane, "button_release_event", G_CALLBACK(emfb_pane_button_release_event), emfb);

    gtk_widget_show(emfb->vpane);

    gtk_box_pack_start((GtkBox *)emfb, emfb->vpane, TRUE, TRUE, 0);

    gtk_paned_pack1 (GTK_PANED (emfb->vpane), GTK_WIDGET (emfb->view.list), FALSE, FALSE);
    gtk_widget_show((GtkWidget *)emfb->view.list);

    /* currently: just use a scrolledwindow for preview widget */
    p->scroll = gtk_scrolled_window_new(NULL, NULL);
    gtk_scrolled_window_set_policy((GtkScrolledWindow *)p->scroll, GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
    gtk_scrolled_window_set_shadow_type((GtkScrolledWindow *)p->scroll, GTK_SHADOW_IN);
    gtk_widget_show(p->scroll);

    html = GTK_WIDGET (emfb->view.preview->formathtml.html);

    p->preview = gtk_vbox_new (FALSE, 1);
    p->search_bar = e_mail_search_bar_new (GTK_HTML (html));
    gtk_container_add((GtkContainer *)p->scroll, html);
    gtk_widget_show(html);
    gtk_box_pack_start ((GtkBox *)p->preview, p->scroll, TRUE, TRUE, 0);
    gtk_box_pack_start ((GtkBox *)p->preview, p->search_bar, FALSE, FALSE, 0);
    gtk_paned_pack2 (GTK_PANED (emfb->vpane), p->preview, TRUE, FALSE);
    gtk_widget_show(p->preview);

    g_signal_connect_swapped (
        p->search_bar, "changed",
        G_CALLBACK (em_format_redraw), emfb->view.preview);

    /** @HookPoint-EMFolderBrower: Folder Browser
     * @Id: emfb.created
     * @Class: org.gnome.evolution.mail.events:1.0
     * @Target: EMFolderBrowser
     */

    eme = em_event_peek();
    target = em_event_target_new_folder_browser (eme, emfb);

    e_event_emit((EEvent *)eme, "emfb.created", (EEventTarget *)target);

    g_signal_connect (((EMFolderView *) emfb)->list->tree, "key_press", G_CALLBACK(emfb_list_key_press), emfb);
    g_signal_connect (((EMFolderView *) emfb)->list, "message_selected", G_CALLBACK (emfb_list_message_selected), emfb);

}

static void
emfb_finalise(GObject *o)
{
    EMFolderBrowser *emfb = (EMFolderBrowser *)o;

    g_free (emfb->priv->select_uid);
    g_free (emfb->priv);

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

static void
emfb_destroy(GtkObject *o)
{
    EMFolderBrowser *emfb = (EMFolderBrowser *)o;

    if (emfb->priv->list_built_id) {
        g_signal_handler_disconnect(((EMFolderView *)emfb)->list, emfb->priv->list_built_id);
        emfb->priv->list_built_id = 0;
    }

    if (emfb->priv->list_scrolled_id) {
        g_signal_handler_disconnect (((EMFolderView *) emfb)->list, emfb->priv->list_scrolled_id);
        emfb->priv->list_scrolled_id = 0;
    }

    if (emfb->priv->idle_scroll_id) {
        g_source_remove (emfb->priv->idle_scroll_id);
        emfb->priv->idle_scroll_id = 0;
    }

    if (emfb->view.folder && emfb->priv->folder_changed_id)
        camel_object_remove_event(emfb->view.folder, emfb->priv->folder_changed_id);

    if (emfb->priv->labels_change_notify_id) {
        GConfClient *gconf = mail_config_get_gconf_client ();

        if (gconf)
            gconf_client_notify_remove (gconf, emfb->priv->labels_change_notify_id);

        emfb->priv->labels_change_notify_id = 0;
    }

    if (emfb->priv->labels_change_idle_id) {
        g_source_remove (emfb->priv->labels_change_idle_id);

        emfb->priv->labels_change_idle_id = 0;
    }

    ((GtkObjectClass *)emfb_parent)->destroy(o);
}

static void
emfb_show_search_bar (EMFolderView *folder_view)
{
    EMFolderBrowser *browser = (EMFolderBrowser *) folder_view;

    gtk_widget_show (browser->priv->search_bar);
}

static void
emfb_class_init(GObjectClass *klass)
{
    klass->finalize = emfb_finalise;

    folder_browser_signals[ACCOUNT_SEARCH_ACTIVATED] =
        g_signal_new ("account_search_activated",
                  G_TYPE_FROM_CLASS (klass),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (EMFolderBrowserClass, account_search_activated),
                  NULL,
                  NULL,
                  g_cclosure_marshal_VOID__VOID,
                  G_TYPE_NONE, 0);

    folder_browser_signals[ACCOUNT_SEARCH_CLEARED] =
        g_signal_new ("account_search_cleared",
                  G_TYPE_FROM_CLASS (klass),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (EMFolderBrowserClass, account_search_cleared),
                  NULL,
                  NULL,
                  g_cclosure_marshal_VOID__VOID,
                  G_TYPE_NONE, 0);


    ((GtkObjectClass *)klass)->destroy = emfb_destroy;
    ((EMFolderViewClass *)klass)->set_folder = emfb_set_folder;
    ((EMFolderViewClass *)klass)->activate = emfb_activate;
    ((EMFolderViewClass *)klass)->show_search_bar = emfb_show_search_bar;
}

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

    if (type == 0) {
        static const GTypeInfo info = {
            sizeof(EMFolderBrowserClass),
            NULL, NULL,
            (GClassInitFunc)emfb_class_init,
            NULL, NULL,
            sizeof(EMFolderBrowser), 0,
            (GInstanceInitFunc)emfb_init
        };
        emfb_parent = g_type_class_ref(em_folder_view_get_type());
        type = g_type_register_static(em_folder_view_get_type(), "EMFolderBrowser", &info, 0);
    }

    return type;
}

GtkWidget *em_folder_browser_new(void)
{
    EMFolderBrowser *emfb = g_object_new(em_folder_browser_get_type(), 0);

    /** @HookPoint-EMMenu: Main Mail Menu
     * @Id: org.gnome.evolution.mail.browser
     * @Class: org.gnome.evolution.mail.bonobomenu:1.0
     * @Target: EMMenuTargetSelect
     *
     * The main menu of mail view of the main application window.
     * If the folder is NULL (not selected), the target will be empty, not NULL.
     */
    ((EMFolderView *)emfb)->menu = em_menu_new("org.gnome.evolution.mail.browser");

    return (GtkWidget *)emfb;
}

void em_folder_browser_show_preview(EMFolderBrowser *emfb, gboolean state)
{
    if ((emfb->view.preview_active ^ state) == 0
        || emfb->view.list == NULL) {
        if (state && emfb->priv->scope_restricted && emfb->view.list->cursor_uid && *(emfb->view.list->cursor_uid)) {
            emfb->priv->scope_restricted = FALSE;
        }

        return;
    }

    emfb->view.preview_active = state;

    if (state) {
        GConfClient *gconf = mail_config_get_gconf_client ();
        int paned_size /*, y*/;

        paned_size = gconf_client_get_int(gconf, emfb->priv->show_wide ? "/apps/evolution/mail/display/hpaned_size":"/apps/evolution/mail/display/paned_size", NULL);

        /*y = save_cursor_pos (emfb);*/
        gtk_paned_set_position (GTK_PANED (emfb->vpane), paned_size);
        gtk_widget_show (GTK_WIDGET (emfb->priv->preview));

        if (emfb->view.list->cursor_uid) {
            char *uid = g_alloca(strlen(emfb->view.list->cursor_uid)+1);

            emfb->priv->scope_restricted = FALSE;
            strcpy(uid, emfb->view.list->cursor_uid);
            em_folder_view_set_message(&emfb->view, uid, FALSE);
        }

        /* need to load/show the current message? */
        /*do_message_selected (emfb);*/
        /*set_cursor_pos (emfb, y);*/
    } else {
        em_format_format((EMFormat *)emfb->view.preview, NULL, NULL, NULL);

        g_free(emfb->view.displayed_uid);
        emfb->view.displayed_uid = NULL;

        gtk_widget_hide(emfb->priv->preview);
        emfb->priv->scope_restricted = TRUE;
        /*
        mail_display_set_message (emfb->mail_display, NULL, NULL, NULL);
        emfb_ui_message_loaded (emfb);*/
    }

    /* FIXME: need to update menu's to reflect ui changes */
}

gboolean em_folder_browser_get_wide (EMFolderBrowser *emfb)
{
    return emfb->priv->show_wide;
}

void em_folder_browser_show_wide(EMFolderBrowser *emfb, gboolean state)
{
    GtkWidget *w;
    int paned_size;

    if ((emfb->priv->show_wide &&  state)
        || emfb->view.list == NULL) {
        emfb->priv->show_wide = state;
        return;
    }

    emfb->priv->show_wide = state;

    w = emfb->priv->show_wide?gtk_hpaned_new():gtk_vpaned_new();

    g_signal_handler_disconnect(emfb->vpane, emfb->priv->vpane_resize_id);
    g_signal_connect(w, "realize", G_CALLBACK(emfb_pane_realised), emfb);
    emfb->priv->vpane_resize_id = g_signal_connect(w, "button_release_event", G_CALLBACK(emfb_pane_button_release_event), emfb);

    gtk_box_pack_start((GtkBox *)emfb, w, TRUE, TRUE, 0);
    gtk_widget_reparent((GtkWidget *)emfb->view.list, w);
    gtk_widget_reparent((GtkWidget *)emfb->priv->preview, w);
    gtk_widget_destroy(emfb->vpane);
    gtk_container_child_set (GTK_CONTAINER (w), GTK_WIDGET (emfb->view.list),     "resize", FALSE, "shrink", FALSE, NULL);
    gtk_container_child_set (GTK_CONTAINER (w), GTK_WIDGET (emfb->priv->preview), "resize", TRUE,  "shrink", FALSE, NULL);
    gtk_container_resize_children ((GtkContainer *)w);
    emfb->vpane = w;
    gtk_widget_show(w);

    paned_size = gconf_client_get_int(mail_config_get_gconf_client(), emfb->priv->show_wide ? "/apps/evolution/mail/display/hpaned_size":"/apps/evolution/mail/display/paned_size", NULL);
    gtk_paned_set_position (GTK_PANED (emfb->vpane), paned_size);

    if (((EMFolderView *)emfb)->folder)
        em_folder_view_setup_view_instance ((EMFolderView *) emfb);
}

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

/* FIXME: Need to separate system rules from user ones */
/* FIXME: Ugh! */

static void
emfb_search_menu_activated(ESearchBar *esb, int id, EMFolderBrowser *emfb)
{
    EFilterBar *efb = (EFilterBar *)esb;

    d(printf("menu activated\n"));

    switch (id) {
    case ESB_SAVE:
        d(printf("Save vfolder\n"));
        if (efb->current_query) {
            FilterRule *rule;
            char *name, *text;

            /* ensures vfolder is running */
            vfolder_load_storage ();

            rule = vfolder_clone_rule (efb->current_query);
            text = e_search_bar_get_text(esb);
            name = g_strdup_printf("%s %s", rule->name, (text&&text[0])?text:"''");
            g_free (text);
            filter_rule_set_name(rule, name);
            g_free (name);

            filter_rule_set_source(rule, FILTER_SOURCE_INCOMING);
            em_vfolder_rule_add_source((EMVFolderRule *)rule, emfb->view.folder_uri);
            vfolder_gui_add_rule((EMVFolderRule *)rule);
        }
        break;
    }
}

static void
emfb_search_config_search(EFilterBar *efb, FilterRule *rule, int id, const char *query, void *data)
{
    EMFolderBrowser *emfb = data;
    EMailSearchBar *search_bar;
    ESearchingTokenizer *tokenizer;
    GList *partl;
    struct _camel_search_words *words;
    int i;
    GSList *strings = NULL;

    /* we scan the parts of a rule, and set all the types we know about to the query string */
    partl = rule->parts;
    while (partl) {
        FilterPart *part = partl->data;

        if (!strcmp(part->name, "subject")) {
            FilterInput *input = (FilterInput *)filter_part_find_element(part, "subject");
            if (input)
                filter_input_set_value(input, query);
        } else if (!strcmp(part->name, "body")) {
            FilterInput *input = (FilterInput *)filter_part_find_element(part, "word");
            if (input)
                filter_input_set_value(input, query);

            words = camel_search_words_split((unsigned char *)query);
            for (i=0;i<words->len;i++)
                strings = g_slist_prepend(strings, g_strdup(words->words[i]->word));
            camel_search_words_free (words);
        } else if(!strcmp(part->name, "sender")) {
            FilterInput *input = (FilterInput *)filter_part_find_element(part, "sender");
            if (input)
                filter_input_set_value(input, query);
        } else if(!strcmp(part->name, "to")) {
            FilterInput *input = (FilterInput *)filter_part_find_element(part, "recipient");
            if (input)
                filter_input_set_value(input, query);
        }

        partl = partl->next;
    }

    search_bar = E_MAIL_SEARCH_BAR (emfb->priv->search_bar);

    /* XXX This is a hack, but this code is on its way out anyway.
     *     Function is called once before the search bar is created. */
    if (!E_IS_MAIL_SEARCH_BAR (search_bar))
        return;

    tokenizer = e_mail_search_bar_get_tokenizer (search_bar);

    e_searching_tokenizer_set_secondary_case_sensitivity (tokenizer, FALSE);
    e_searching_tokenizer_set_secondary_search_string (tokenizer, NULL);

    while (strings != NULL) {
        e_searching_tokenizer_add_secondary_search_string (
            tokenizer, strings->data);
        g_free (strings->data);
        strings = g_slist_delete_link (strings, strings);
    }

    e_mail_search_bar_changed (search_bar);
}

static const gchar *
get_view_query (ESearchBar *esb, CamelFolder *folder, const char *folder_uri)
{
    const gchar *view_sexp = NULL;
    gint id;
    GtkWidget *menu_item;
    char *tag;
    gboolean duplicate = TRUE;

    /* Get the current selected view */
    id = e_search_bar_get_viewitem_id (esb);
    menu_item = e_search_bar_get_selected_viewitem (esb);

    switch (id & VIEW_ITEMS_MASK) {
    case VIEW_ALL_MESSAGES:
        /* one space indicates no filtering */
        view_sexp = " ";
        break;

    /* README: All the sexp below are not rocket science but it is not straightforward as well.
    I believe it is better to document the assumptions and the conventions followed for the sexp,
    before I forget so that no one else again needs to read through the code  -- Sankar */

    case VIEW_UNREAD_MESSAGES:
        view_sexp = "(match-all (not (system-flag  \"Seen\")))";
        break;
    case VIEW_READ_MESSAGES:
        view_sexp = "(match-all (system-flag  \"Seen\" ))";
        break;
        case VIEW_RECENT_MESSAGES:
        if (!em_utils_folder_is_sent (folder, folder_uri))
            view_sexp = "(match-all (> (get-received-date) (- (get-current-date) 86400)))";
        else
            view_sexp = "(match-all (> (get-sent-date) (- (get-current-date) 86400)))";
        break;
    case VIEW_LAST_FIVE_DAYS:
        if (!em_utils_folder_is_sent (folder, folder_uri))
            view_sexp = " (match-all (> (get-received-date) (- (get-current-date) 432000)))";
        else
            view_sexp = " (match-all (> (get-sent-date) (- (get-current-date) 432000)))";
        break;
        case VIEW_WITH_ATTACHMENTS:
        view_sexp = "(match-all (system-flag \"Attachments\" ))";
        break;
    case VIEW_NOT_JUNK:
        view_sexp = "(match-all (not (system-flag \"junk\")))";
        break;
        case VIEW_NO_LABEL: {
        GSList *l;
        GString *s = g_string_new ("(and");

        for (l = mail_config_get_labels (); l; l = l->next) {
            EUtilLabel *label = (EUtilLabel *)l->data;

            if (label && label->tag) {
                const gchar *tag = label->tag;

                if (strncmp (tag, "$Label", 6) == 0)
                    tag += 6;

                g_string_append_printf (s, " (match-all (not (or (= (user-tag \"label\") \"%s\") (user-flag \"$Label%s\") (user-flag \"%s\"))))", tag, tag, tag);
                /* FIXME: I dont see a way of mapping this kind of sexp into sql atm. I guess this option could be kicked out */
                /* May be we should copy what I did for system flags -- Sankar */
            }
        }

        g_string_append (s, ")");

        duplicate = FALSE;
            view_sexp = g_string_free (s, FALSE);
        } break;
        case VIEW_LABEL:
        tag = (char *)g_object_get_data (G_OBJECT (menu_item), "LabelTag");
        view_sexp = g_strdup_printf ("(match-all (or (= (user-tag \"label\") \"%s\") (user-flag \"$Label%s\") (user-flag \"%s\")))", tag, tag, tag);
        duplicate = FALSE;
        break;
    case VIEW_MESSAGES_MARKED_AS_IMPORTANT:
        view_sexp = "(match-all (system-flag  \"Flagged\" ))";
        break;
    case VIEW_ANY_FIELD_CONTAINS:
        break;

    case VIEW_CUSTOMIZE:
        /* one space indicates no filtering, so here use two */
        view_sexp = "  ";
        break;
    }

    if (duplicate)
        view_sexp = g_strdup (view_sexp);

    return view_sexp;
}


struct _setup_msg {
    MailMsg base;

    CamelFolder *folder;
    CamelOperation *cancel;
    char *query;
    GList *sources_uri;
    GList *sources_folder;
};

static gchar *
vfolder_setup_desc(struct _setup_msg *m)
{
    return g_strdup(_("Searching"));
}

static void
vfolder_setup_exec(struct _setup_msg *m)
{
    GList *l, *list = NULL;
    CamelFolder *folder;

    if (m->cancel)
        camel_operation_register (m->cancel);

    d(printf("Setting up Search Folder: %s\n", m->folder->full_name));

    camel_vee_folder_set_expression((CamelVeeFolder *)m->folder, m->query);

    l = m->sources_uri;
    while (l) {
        d(printf(" Adding uri: %s\n", (char *)l->data));
        folder = mail_tool_uri_to_folder (l->data, 0, &m->base.ex);
        if (folder) {
            list = g_list_append(list, folder);
        } else {
            g_warning("Could not open vfolder source: %s", (char *)l->data);
            camel_exception_clear(&m->base.ex);
        }
        l = l->next;
    }

    l = m->sources_folder;
    while (l) {
        d(printf(" Adding folder: %s\n", ((CamelFolder *)l->data)->full_name));
        camel_object_ref(l->data);
        list = g_list_append(list, l->data);
        l = l->next;
    }

    camel_vee_folder_set_folders((CamelVeeFolder *)m->folder, list);

    l = list;
    while (l) {
        camel_object_unref(l->data);
        l = l->next;
    }
    g_list_free(list);
}

static void
vfolder_setup_done(struct _setup_msg *m)
{
}

static void
vfolder_setup_free (struct _setup_msg *m)
{
    GList *l;

    camel_object_unref(m->folder);
    g_free(m->query);

    l = m->sources_uri;
    while (l) {
        g_free(l->data);
        l = l->next;
    }
    g_list_free(m->sources_uri);

    l = m->sources_folder;
    while (l) {
        camel_object_unref(l->data);
        l = l->next;
    }
    g_list_free(m->sources_folder);
}

static MailMsgInfo vfolder_setup_info = {
    sizeof (struct _setup_msg),
    (MailMsgDescFunc) vfolder_setup_desc,
    (MailMsgExecFunc) vfolder_setup_exec,
    (MailMsgDoneFunc) vfolder_setup_done,
    (MailMsgFreeFunc) vfolder_setup_free
};

/* sources_uri should be camel uri's */
static int
vfolder_setup(CamelFolder *folder, const char *query, GList *sources_uri, GList *sources_folder, CamelOperation *cancel)
{
    struct _setup_msg *m;
    int id;

    m = mail_msg_new(&vfolder_setup_info);
    m->folder = folder;
    camel_object_ref(folder);
    m->query = g_strdup(query);
    m->sources_uri = sources_uri;
    m->sources_folder = sources_folder;

    if (cancel) {
        m->cancel = cancel;
    }

    id = m->base.seq;
    mail_msg_slow_ordered_push (m);

    return id;
}

static void
emfb_search_search_activated(ESearchBar *esb, EMFolderBrowser *emfb)
{
    EMFolderView *emfv = (EMFolderView *) emfb;
    EFilterBar *efb = (EFilterBar *)esb;
    const gchar *view_sexp;
    char *search_state = NULL, *folder_uri=NULL;
    char *word = NULL, *storeuri = NULL, *search_word = NULL;
    gint id, i;
    CamelFolder *folder;
    CamelStore *store;
    GPtrArray *folders;
    GList *folder_list_account = NULL ;
    GList *l, *folder_list = NULL ;
    CamelException *ex;
    ex = camel_exception_new ();

    if (emfv->list == NULL || emfv->folder == NULL)
        return;

    id = e_search_bar_get_search_scope (esb);

    switch (id) {
        case E_FILTERBAR_CURRENT_FOLDER_ID:
            g_object_get (esb, "query", &search_word, NULL);
            break;

        case E_FILTERBAR_CURRENT_ACCOUNT_ID:
            word = e_search_bar_get_text (esb);
            if (!(word && *word)) {
                if (efb->account_search_vf) {
                    camel_object_unref (efb->account_search_vf);
                    efb->account_search_vf = NULL;
                    if (efb->account_search_cancel) {
                        camel_operation_cancel (efb->account_search_cancel);
                        camel_operation_unref (efb->account_search_cancel);
                        efb->account_search_cancel = NULL;
                    }
                }
                g_signal_emit (emfb, folder_browser_signals [ACCOUNT_SEARCH_CLEARED], 0);
                gtk_widget_set_sensitive (esb->scopeoption, TRUE);
                g_free (word);
                word = NULL;
                break;
            }

            g_free (word);
            word = NULL;
            g_object_get (esb, "query", &search_word, NULL);
            if (search_word && efb->account_search_vf && !strcmp (search_word, ((CamelVeeFolder *) efb->account_search_vf)->expression) ) {
                break;
            }
            gtk_widget_set_sensitive (esb->scopeoption, FALSE);

            /* Disable the folder tree */
            g_signal_emit (emfb, folder_browser_signals [ACCOUNT_SEARCH_ACTIVATED], 0);

            if (!efb->account_search_vf) {
                store = emfv->folder->parent_store;
                if (store->folders) {
                    folders = camel_object_bag_list(store->folders);
                    for (i=0;i<folders->len;i++) {
                        folder = folders->pdata[i];
                        folder_list_account = g_list_append(folder_list_account, folder);
                    }
                }

                /* Create a camel vee folder */
                storeuri = g_strdup_printf("vfolder:%s/vfolder", mail_component_peek_base_directory (mail_component_peek ()));
                vfolder_store = camel_session_get_store (session, storeuri, NULL);
                efb->account_search_vf = (CamelVeeFolder *)camel_vee_folder_new (vfolder_store,_("Account Search"),CAMEL_STORE_VEE_FOLDER_AUTO);

                /* Set the search expression  */
                efb->account_search_cancel = camel_operation_new (NULL, NULL);
                vfolder_setup ((CamelFolder *)efb->account_search_vf, search_word, NULL, folder_list_account, efb->account_search_cancel);

                folder_uri = mail_tools_folder_to_url ((CamelFolder *)efb->account_search_vf);
                emfb_set_search_folder (emfv, (CamelFolder *)efb->account_search_vf, folder_uri);
                g_free (folder_uri);
                g_free (storeuri);
            } else {
                /* Reuse the existing search folder */
                camel_vee_folder_set_expression((CamelVeeFolder *)efb->account_search_vf, search_word);
            }

            break;

        case E_FILTERBAR_ALL_ACCOUNTS_ID:
            word = e_search_bar_get_text (esb);
            if (!(word && *word)) {
                if (efb->all_account_search_vf) {
                    camel_object_unref (efb->all_account_search_vf);
                    efb->all_account_search_vf=NULL;
                    if (efb->account_search_cancel) {
                        camel_operation_cancel (efb->account_search_cancel);
                        camel_operation_unref (efb->account_search_cancel);
                        efb->account_search_cancel = NULL;
                    }
                }
                g_signal_emit (emfb, folder_browser_signals [ACCOUNT_SEARCH_CLEARED], 0);
                gtk_widget_set_sensitive (esb->scopeoption, TRUE);
                g_free (word);
                word = NULL;
                break;
            }

            g_free (word);
            word = NULL;

            g_object_get (esb, "query", &search_word, NULL);

            if (search_word && efb->all_account_search_vf && !strcmp (search_word, ((CamelVeeFolder *) efb->all_account_search_vf)->expression) )  {
                /* No real search apart from the existing one */
                break;
            }

            gtk_widget_set_sensitive (esb->scopeoption, FALSE);
            g_signal_emit (emfb, folder_browser_signals [ACCOUNT_SEARCH_ACTIVATED], 0);

            if (!efb->all_account_search_vf) {
                /* Create a camel vee folder */
                storeuri = g_strdup_printf("vfolder:%s/vfolder", mail_component_peek_base_directory (mail_component_peek ()));
                vfolder_store = camel_session_get_store (session, storeuri, NULL);
                efb->all_account_search_vf = (CamelVeeFolder *)camel_vee_folder_new (vfolder_store,_("All Account Search"),CAMEL_STORE_VEE_FOLDER_AUTO);

                /* Set sexp  */

                /* FIXME: there got to be a better way :) */

                /* Add the local folders */
                l = mail_vfolder_get_sources_local ();
                while (l) {
                    folder = mail_tool_uri_to_folder ((const char *)l->data, 0,ex);
                    if (folder)
                        folder_list = g_list_append(folder_list, folder);
                    else {
                        g_warning("Could not open vfolder source: %s", (char *)l->data);
                        camel_exception_clear(ex);
                    }
                    l = l->next;
                }

                /* Add the remote source folder */
                l = mail_vfolder_get_sources_remote ();
                while (l) {
                    folder = mail_tool_uri_to_folder ((const char *)l->data, 0,ex);
                    if (folder)
                        folder_list = g_list_append(folder_list, folder);
                    else {
                        g_warning("Could not open vfolder source: %s", (char *)l->data);
                        camel_exception_clear(ex);
                    }
                    l = l->next;
                }

                efb->account_search_cancel = camel_operation_new (NULL, NULL);
                vfolder_setup ((CamelFolder *)efb->all_account_search_vf, search_word, NULL, folder_list, efb->account_search_cancel);

                folder_uri = mail_tools_folder_to_url ((CamelFolder *)efb->all_account_search_vf);

                emfb_set_search_folder (emfv, (CamelFolder *)efb->all_account_search_vf, folder_uri);
                g_free (folder_uri);
                g_free (storeuri);
            } else {
                /* Reuse the existing search folder */
                camel_vee_folder_set_expression((CamelVeeFolder *)efb->all_account_search_vf, search_word);
            }

            break;
    }
    g_object_get (esb, "state", &search_state, NULL);
    camel_object_meta_set (emfv->folder, "evolution:search_state", search_state);
    camel_object_state_write (emfv->folder);
    g_free (search_state);

    if (search_word) {
        g_free (search_word);
        search_word = NULL;
    }

    /* Merge the view and search expresion*/
    view_sexp = get_view_query (esb, emfv->folder, emfv->folder_uri);
    g_object_get (esb, "query", &search_word, NULL);

    word = search_word;

    if (search_word && *search_word)
        search_word = g_strconcat ("(and ", view_sexp, search_word, " )", NULL);
    else
        search_word = g_strdup (view_sexp);

    message_list_set_search(emfb->view.list, search_word);

    g_free (word);
    g_free (search_word);

    camel_exception_free (ex);
}

static void
emfb_search_search_cleared(ESearchBar *esb)
{
    /* FIXME: It should just cancel search.*/
    mail_cancel_all();
}

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

static int
emfb_list_key_press(ETree *tree, int row, ETreePath path, int col, GdkEvent *ev, EMFolderBrowser *emfb)
{
    gboolean state, folder_choose = TRUE;
    if ((ev->key.state & GDK_CONTROL_MASK) != 0)
        return FALSE;

    switch (ev->key.keyval) {
    case GDK_space:
        if (!emfb->view.preview->caret_mode && mail_config_get_enable_magic_spacebar ()) {
            state = gtk_html_command(((EMFormatHTML *)((EMFolderView *) emfb)->preview)->html, "scroll-forward");
            if (!state) {
                folder_choose = message_list_select(((EMFolderView *) emfb)->list, MESSAGE_LIST_SELECT_NEXT, 0, CAMEL_MESSAGE_SEEN);
                if (!folder_choose)
                    folder_choose = message_list_select(((EMFolderView *) emfb)->list,
                                    MESSAGE_LIST_SELECT_NEXT | MESSAGE_LIST_SELECT_WRAP, 0, CAMEL_MESSAGE_SEEN);
            }

        } else
            em_utils_adjustment_page(gtk_scrolled_window_get_vadjustment((GtkScrolledWindow *)emfb->priv->scroll), TRUE);
        break;
    case GDK_BackSpace:
        if (!emfb->view.preview->caret_mode && mail_config_get_enable_magic_spacebar ()) {
            state = gtk_html_command(((EMFormatHTML *)((EMFolderView *) emfb)->preview)->html, "scroll-backward");
            if (!state) {
                folder_choose = message_list_select(((EMFolderView *) emfb)->list, MESSAGE_LIST_SELECT_PREVIOUS, 0, CAMEL_MESSAGE_SEEN);
                if (!folder_choose)
                    folder_choose = message_list_select(((EMFolderView *) emfb)->list,
                                    MESSAGE_LIST_SELECT_PREVIOUS | MESSAGE_LIST_SELECT_WRAP, 0, CAMEL_MESSAGE_SEEN);
            }

        } else
            em_utils_adjustment_page(gtk_scrolled_window_get_vadjustment((GtkScrolledWindow *)emfb->priv->scroll), FALSE);
        break;
    default:
        return FALSE;
    }

    if (!folder_choose && !emfb->view.preview->caret_mode && mail_config_get_enable_magic_spacebar ()) {
        /* check for unread messages. if yes .. rewindback to the folder */
        EMFolderTree *emft = g_object_get_data((GObject*)emfb, "foldertree");
        switch (ev->key.keyval) {
            case GDK_space:
                em_folder_tree_select_next_path (emft, TRUE);
                break;
            case GDK_BackSpace:
                em_folder_tree_select_prev_path (emft, TRUE);
                break;
        }
        gtk_widget_grab_focus ((GtkWidget *)((EMFolderView *) emfb)->list);
    }
    return TRUE;
}

static void
emfb_list_message_selected (MessageList *ml, const char *uid, EMFolderBrowser *emfb)
{
    EMFolderView *emfv = (EMFolderView *) emfb;

    if (emfv->folder == NULL)
        return;

    if (uid && *uid && emfb->priv->scope_restricted && emfb->view.preview_active) {
        emfb->priv->scope_restricted = FALSE;
    } else if ( !(uid && *uid) && !emfb->priv->scope_restricted) {
        emfb->priv->scope_restricted = TRUE;
    }

    camel_object_meta_set (emfv->folder, "evolution:selected_uid", uid);
    camel_object_state_write (emfv->folder);
    g_free (emfb->priv->select_uid);
    emfb->priv->select_uid = NULL;
}

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

static void
emfb_edit_cut(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderBrowser *emfb = data;

    /* TODO: pity we can't sucblass this method, ugh, virtualise it? */

    if (GTK_WIDGET_HAS_FOCUS(((ESearchBar *)emfb->search)->entry))
        gtk_editable_cut_clipboard((GtkEditable *)((ESearchBar *)emfb->search)->entry);
    else if (GTK_WIDGET_HAS_FOCUS(emfb->view.preview->formathtml.html))
        em_format_html_display_cut(emfb->view.preview);
    else
        message_list_copy(emfb->view.list, TRUE);
}

static void
emfb_edit_copy(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderBrowser *emfb = data;

    if (GTK_WIDGET_HAS_FOCUS(((ESearchBar *)emfb->search)->entry))
        gtk_editable_copy_clipboard((GtkEditable *)((ESearchBar *)emfb->search)->entry);
    else if (GTK_WIDGET_HAS_FOCUS(emfb->view.preview->formathtml.html))
        em_format_html_display_copy(emfb->view.preview);
    else
        message_list_copy(emfb->view.list, FALSE);
}

static void
emfb_edit_paste(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderBrowser *emfb = data;

    if (GTK_WIDGET_HAS_FOCUS(((ESearchBar *)emfb->search)->entry))
        gtk_editable_paste_clipboard((GtkEditable *)((ESearchBar *)emfb->search)->entry);
    else
        message_list_paste(emfb->view.list);
}

static void
emfb_edit_invert_selection(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderView *emfv = data;

    message_list_invert_selection(emfv->list);
}

static gboolean
emfb_select_all_daemon (MessageList *ml)
{
        message_list_select_all(ml);
        gtk_widget_grab_focus ((GtkWidget *)ml);
        return FALSE;
}

static void
emfb_edit_select_all(BonoboUIComponent *uid, void *data, const char *path)
{
        EMFolderView *emfv = data;

        if (emfv->list->threaded) {

                emfb_expand_all_threads (uid, data, path);

                /* The time out below is added so that the execution thread to 
                   expand all conversations threads would've completed. 

                   The timeout 505 is just to ensure that the value is a small delta
                   more than the timeout value in expand_all_threads thread. */

                g_timeout_add (505, (GSourceFunc) emfb_select_all_daemon, emfv->list);

        } else {
                /* If there is no threading, just select-all immediately */
                emfb_select_all_daemon (emfv->list);
        }
}

static void
emfb_edit_select_thread(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderView *emfv = data;

    message_list_select_thread(emfv->list);
}

static void
emfb_edit_select_subthread(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderView *emfv = data;

    message_list_select_subthread (emfv->list);
}

static void
emfb_folder_properties(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderBrowser *emfb = data;

    if (emfb->view.folder_uri)
        em_folder_properties_show(NULL, emfb->view.folder, emfb->view.folder_uri);
}

/* VIEWTHREADED*/
static void
emfb_expand_all_threads(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderView *emfv = data;

    message_list_set_threaded_expand_all(emfv->list);

}

static void
emfb_collapse_all_threads(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderView *emfv = data;

    message_list_set_threaded_collapse_all(emfv->list);
}

static void
emfb_folder_copy(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderBrowser *emfb = data;
    CamelFolderInfo *fi = NULL;
    CamelException ex;

    /* FIXME: This function MUST become multi-threaded.
       FIXME: This interface should NOT use a folderinfo */

    camel_exception_init (&ex);

    if ((fi = camel_store_get_folder_info (emfb->view.folder->parent_store,
                           emfb->view.folder->full_name,
                           CAMEL_STORE_FOLDER_INFO_FAST,
                           &ex)) != NULL)
        em_folder_utils_copy_folder(fi, FALSE);

    camel_exception_clear (&ex);

    return;
}

static void
emfb_folder_move(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderBrowser *emfb = data;
    CamelFolderInfo *fi = NULL;
    CamelException ex;

    camel_exception_init (&ex);

    /* FIXME: This function MUST become multi-threaded.
       FIXME: This interface should NOT use a folderinfo */

    if ((fi = camel_store_get_folder_info (emfb->view.folder->parent_store,
                           emfb->view.folder->full_name,
                           CAMEL_STORE_FOLDER_INFO_FAST,
                           &ex)) != NULL)
        em_folder_utils_copy_folder(fi, TRUE);

    camel_exception_clear (&ex);

    return;
}

static void
emfb_folder_delete(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderBrowser *emfb = data;

    em_folder_utils_delete_folder (emfb->view.folder);

    return;
}

static void
emfb_folder_refresh(BonoboUIComponent *uid, void *data, const char *path)
{
        EMFolderBrowser *emfb = data;
    EMFolderTree *tree = g_object_get_data (G_OBJECT (emfb), "foldertree");
        CamelFolder *folder;

        if ((folder = em_folder_tree_get_selected_folder (tree)) != NULL)
                mail_refresh_folder(folder, NULL, NULL);
}


static void
emfb_folder_rename(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderBrowser *emfb = data;

    em_folder_utils_rename_folder (emfb->view.folder);

    return;
}

static void
emfb_folder_create(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderBrowser *emfb = data;
    CamelFolderInfo *fi = NULL;
    EMFolderTree *tree = g_object_get_data (G_OBJECT (emfb), "foldertree");

    /* FIXME: This function MUST be multithreaded
       FIXME: This interface should NOT use a folderinfo */
    if (emfb->view.folder) {
        if ((fi = em_folder_tree_get_selected_folder_info (tree)) != NULL) {
            em_folder_utils_create_folder (fi, tree, NULL);
            camel_folder_info_free(fi);
        }
    } else {
        em_folder_utils_create_folder (NULL, tree, NULL);
    }

    return;
}

static void
emfb_folder_expunge(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderBrowser *emfb = data;

    if (emfb->view.folder)
        em_utils_expunge_folder(gtk_widget_get_toplevel((GtkWidget *)emfb), emfb->view.folder);
}

static void
emfb_mark_all_read(BonoboUIComponent *uid, void *data, const char *path)
{
    /* FIXME: make a 'mark messages' function? */
    EMFolderView *emfv = data;
    GPtrArray *uids;
    int i;

    if (emfv->folder == NULL)
        return;
    if( em_utils_prompt_user((GtkWindow *)emfv, "/apps/evolution/mail/prompts/mark_all_read","mail:ask-mark-all-read", NULL)){
        uids = message_list_get_uids(emfv->list);
        camel_folder_freeze(emfv->folder);
        for (i=0;i<uids->len;i++)
            camel_folder_set_message_flags(emfv->folder, uids->pdata[i], CAMEL_MESSAGE_SEEN, CAMEL_MESSAGE_SEEN);
        camel_folder_thaw(emfv->folder);
        message_list_free_uids(emfv->list, uids);
    }
}

static void
emfb_view_hide_read(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderView *emfv = data;

    message_list_hide_add(emfv->list, "(match-all (system-flag \"seen\"))", ML_HIDE_SAME, ML_HIDE_SAME);
}

static void
emfb_view_hide_selected(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderView *emfv = data;
    GPtrArray *uids;

    /* TODO: perhaps this should sit directly on message_list? */
    /* is it worth it, it's so trivial */

    /* A new flag CAMEL_MESSAGE_HIDDEN is added by Sankar
    while extending the CAMEL_MESSAGE_FLAGS for proxy permissions.
    This can be used to hide messages.  */

    uids = message_list_get_selected(emfv->list);
    message_list_hide_uids(emfv->list, uids);
    message_list_free_uids(emfv->list, uids);
}

static void
emfb_view_show_all(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderView *emfv = data;

    message_list_hide_clear(emfv->list);
}

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

static void
emfb_mail_stop(BonoboUIComponent *uid, void *data, const char *path)
{
    mail_cancel_all();
}

static void
emfb_tools_filters(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderBrowser *emfb = data;

    em_utils_edit_filters ((GtkWidget *) emfb);
}

static void
emfb_subscribe_editor_destroy(GtkWidget *w, EMFolderBrowser *emfb)
{
    emfb->priv->subscribe_editor = NULL;
}

static void
emfb_tools_subscriptions(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderBrowser *emfb = data;

    if (emfb->priv->subscribe_editor) {
        gdk_window_show(emfb->priv->subscribe_editor->window);
    } else {
        emfb->priv->subscribe_editor = (GtkWidget *)em_subscribe_editor_new();
        e_dialog_set_transient_for((GtkWindow *)emfb->priv->subscribe_editor, (GtkWidget *)emfb);
        g_signal_connect(emfb->priv->subscribe_editor, "destroy", G_CALLBACK(emfb_subscribe_editor_destroy), emfb);
        gtk_widget_show(emfb->priv->subscribe_editor);
    }
}

static void
emfb_focus_search(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderBrowser *emfb = data;

    gtk_widget_grab_focus (((ESearchBar *)emfb->search)->entry);
}

static void
emfb_help_debug (BonoboUIComponent *uid, void *data, const char *path)
{
    mail_component_show_logger ((GtkWidget *) data);
}

static void
emfb_tools_vfolders(BonoboUIComponent *uid, void *data, const char *path)
{
    /* FIXME: rename/refactor this */
    vfolder_edit();
}

static BonoboUIVerb emfb_verbs[] = {
    BONOBO_UI_UNSAFE_VERB ("EditCut", emfb_edit_cut),
    BONOBO_UI_UNSAFE_VERB ("EditCopy", emfb_edit_copy),
    BONOBO_UI_UNSAFE_VERB ("EditPaste", emfb_edit_paste),

    BONOBO_UI_UNSAFE_VERB ("EditInvertSelection", emfb_edit_invert_selection),
    BONOBO_UI_UNSAFE_VERB ("EditSelectAll", emfb_edit_select_all),
        BONOBO_UI_UNSAFE_VERB ("EditSelectThread", emfb_edit_select_thread),
    BONOBO_UI_UNSAFE_VERB ("EditSelectSubthread", emfb_edit_select_subthread),
    BONOBO_UI_UNSAFE_VERB ("ChangeFolderProperties", emfb_folder_properties),
    BONOBO_UI_UNSAFE_VERB ("FolderExpunge", emfb_folder_expunge),
    /* HideDeleted is a toggle */
    BONOBO_UI_UNSAFE_VERB ("MessageMarkAllAsRead", emfb_mark_all_read),
    BONOBO_UI_UNSAFE_VERB ("ViewHideRead", emfb_view_hide_read),
    BONOBO_UI_UNSAFE_VERB ("ViewHideSelected", emfb_view_hide_selected),
    BONOBO_UI_UNSAFE_VERB ("ViewShowAll", emfb_view_show_all),
    /* ViewThreaded is a toggle */

    BONOBO_UI_UNSAFE_VERB ("ViewThreadsExpandAll", emfb_expand_all_threads),
    BONOBO_UI_UNSAFE_VERB ("ViewThreadsCollapseAll", emfb_collapse_all_threads),

    BONOBO_UI_UNSAFE_VERB ("FolderCopy", emfb_folder_copy),
    BONOBO_UI_UNSAFE_VERB ("FolderMove", emfb_folder_move),
    BONOBO_UI_UNSAFE_VERB ("FolderDelete", emfb_folder_delete),
    BONOBO_UI_UNSAFE_VERB ("FolderRefresh", emfb_folder_refresh),
    BONOBO_UI_UNSAFE_VERB ("FolderRename", emfb_folder_rename),
    BONOBO_UI_UNSAFE_VERB ("FolderCreate", emfb_folder_create),
    BONOBO_UI_UNSAFE_VERB ("HelpDebug", emfb_help_debug),

    BONOBO_UI_UNSAFE_VERB ("MailStop", emfb_mail_stop),
    BONOBO_UI_UNSAFE_VERB ("ToolsFilters", emfb_tools_filters),
    BONOBO_UI_UNSAFE_VERB ("ToolsSubscriptions", emfb_tools_subscriptions),
    BONOBO_UI_UNSAFE_VERB ("ToolsVFolders", emfb_tools_vfolders),
    BONOBO_UI_UNSAFE_VERB ("FocusSearch", emfb_focus_search),

    /* ViewPreview is a toggle */

    BONOBO_UI_VERB_END
};

static EPixmap emfb_pixmaps[] = {
    E_PIXMAP ("/commands/FolderCreate", "folder-new", GTK_ICON_SIZE_MENU),
    E_PIXMAP ("/commands/ChangeFolderProperties", "document-properties", GTK_ICON_SIZE_MENU),
    E_PIXMAP ("/commands/FolderCopy", "folder-copy", GTK_ICON_SIZE_MENU),
    E_PIXMAP ("/commands/FolderMove", "folder-move", GTK_ICON_SIZE_MENU),
    E_PIXMAP ("/commands/MessageMarkAllAsRead", "mail-read", GTK_ICON_SIZE_MENU),

    E_PIXMAP_END
};


static void
emfb_hide_deleted(BonoboUIComponent *uic, const char *path, Bonobo_UIComponent_EventType type, const char *state, void *data)
{
    GConfClient *gconf;
    EMFolderView *emfv = data;

    if (type != Bonobo_UIComponent_STATE_CHANGED)
        return;

    gconf = mail_config_get_gconf_client ();
    gconf_client_set_bool(gconf, "/apps/evolution/mail/display/show_deleted", state[0] == '0', NULL);
    em_folder_view_set_hide_deleted(emfv, state[0] != '0');
}

static void
emfb_view_threaded(BonoboUIComponent *uic, const char *path, Bonobo_UIComponent_EventType type, const char *state, void *data)
{
    GConfClient *gconf;
    EMFolderView *emfv = data;

    if (type != Bonobo_UIComponent_STATE_CHANGED)
        return;

    gconf = mail_config_get_gconf_client ();
    gconf_client_set_bool(gconf, "/apps/evolution/mail/display/thread_list", state[0] != '0', NULL);

    if (camel_object_meta_set(emfv->folder, "evolution:thread_list", state))
        camel_object_state_write(emfv->folder);

    /* FIXME: do set_threaded via meta-data listener on folder? */
    message_list_set_threaded(emfv->list, state[0] != '0');

    /* FIXME: update selection state? */
}

static void
emfb_view_preview(BonoboUIComponent *uic, const char *path, Bonobo_UIComponent_EventType type, const char *state, void *data)
{
    GConfClient *gconf;
    EMFolderView *emfv = data;

    if (type != Bonobo_UIComponent_STATE_CHANGED)
        return;

    gconf = mail_config_get_gconf_client ();
    gconf_client_set_bool(gconf, "/apps/evolution/mail/display/show_preview", state[0] != '0', NULL);

    if (camel_object_meta_set(emfv->folder, "evolution:show_preview", state))
        camel_object_state_write(emfv->folder);

    /* FIXME: do this via folder listener */
    em_folder_browser_show_preview((EMFolderBrowser *)emfv, state[0] != '0');
}

static void
emfb_show_next(BonoboUIComponent *uic, const char *path, Bonobo_UIComponent_EventType type, const char *state, void *data)
{
    GConfClient *gconf;
    EMFolderBrowser *emfb = data;

    if (type != Bonobo_UIComponent_STATE_CHANGED)
        return;

    gconf = mail_config_get_gconf_client ();
    gconf_client_set_bool(gconf, "/apps/evolution/mail/display/show_wide", state[0] != '0', NULL);

    em_folder_browser_show_wide(emfb, state[0] != '0');
}

static void
emfb_show_below(BonoboUIComponent *uic, const char *path, Bonobo_UIComponent_EventType type, const char *state, void *data)
{
    GConfClient *gconf;
    EMFolderBrowser *emfb = data;

    if (type != Bonobo_UIComponent_STATE_CHANGED)
        return;

    gconf = mail_config_get_gconf_client ();
    gconf_client_set_bool(gconf, "/apps/evolution/mail/display/show_wide", state[0] == '0', NULL);

    em_folder_browser_show_wide(emfb, state[0] == '0');
}

static void
emfb_list_scrolled (MessageList *ml, EMFolderBrowser *emfb)
{
    EMFolderView *emfv = (EMFolderView *) emfb;
    double position;
    char *state;

    position = message_list_get_scrollbar_position (ml);
    state = g_strdup_printf ("%f", position);

    if (camel_object_meta_set (emfv->folder, "evolution:list_scroll_position", state))
        camel_object_state_write (emfv->folder);

    g_free (state);
}

static gboolean
scroll_idle_cb (EMFolderBrowser *emfb)
{
    EMFolderView *emfv = (EMFolderView *) emfb;
    double position;
    char *state;

    if ((state = camel_object_meta_get (emfv->folder, "evolution:list_scroll_position"))) {
        position = strtod (state, NULL);
        g_free (state);
    } else {
        position = emfb->priv->default_scroll_position;
    }

    message_list_set_scrollbar_position (emfv->list, position);

    emfb->priv->list_scrolled_id = g_signal_connect (emfv->list, "message_list_scrolled", G_CALLBACK (emfb_list_scrolled), emfb);

    emfb->priv->idle_scroll_id = 0;

    return FALSE;
}

static void
emfb_gui_folder_changed(CamelFolder *folder, void *dummy, EMFolderBrowser *emfb)
{
    if (emfb->priv->select_uid) {
        CamelMessageInfo *mi;

        mi = camel_folder_get_message_info(emfb->view.folder, emfb->priv->select_uid);
        if (mi) {
            camel_folder_free_message_info(emfb->view.folder, mi);
            em_folder_view_set_message(&emfb->view, emfb->priv->select_uid, FALSE);
            g_free (emfb->priv->select_uid);
            emfb->priv->select_uid = NULL;
        }
    }

    g_object_unref(emfb);
}

static void
emfb_folder_changed(CamelFolder *folder, CamelFolderChangeInfo *changes, EMFolderBrowser *emfb)
{
    g_object_ref(emfb);
    mail_async_event_emit(emfb->view.async, MAIL_ASYNC_GUI, (MailAsyncFunc)emfb_gui_folder_changed, folder, NULL, emfb);
}

static void
emfb_etree_unfreeze (GtkWidget *widget, GdkEvent *event, EMFolderView *emfv)
{

    ETableItem *item = e_tree_get_item (emfv->list->tree);

    g_object_set_data (G_OBJECT (((GnomeCanvasItem *) item)->canvas), "freeze-cursor", 0);
}


/* TODO: This should probably be handled by message-list, by storing/queueing
   up the select operation if its busy rebuilding the message-list */
static void
emfb_list_built (MessageList *ml, EMFolderBrowser *emfb)
{
    EMFolderView *emfv = (EMFolderView *) emfb;
    double position = 0.0f;

    g_signal_handler_disconnect (ml, emfb->priv->list_built_id);
    emfb->priv->list_built_id = 0;

    if (emfv->list->cursor_uid == NULL) {
        if (emfb->priv->select_uid) {
            CamelMessageInfo *mi;

            /* If the message isn't in the folder yet, keep select_uid around, it could be caught by
               folder_changed, at some later date */
            mi = camel_folder_get_message_info(emfv->folder, emfb->priv->select_uid);
            if (mi) {
                camel_folder_free_message_info(emfv->folder, mi);
                em_folder_view_set_message(emfv, emfb->priv->select_uid, TRUE);
                g_free (emfb->priv->select_uid);
                emfb->priv->select_uid = NULL;
            }

            /* change the default to the current position */
            position = message_list_get_scrollbar_position (ml);
        } else {
            /* NOTE: not all users want this, so we need a preference for it perhaps? see bug #52887 */
            /* FIXME: if the 1st message in the list is unread, this will actually select the second unread msg */
            /*message_list_select (ml, MESSAGE_LIST_SELECT_NEXT, 0, CAMEL_MESSAGE_SEEN, TRUE);*/
        }
    }

    emfb->priv->default_scroll_position = position;

    /* FIXME: this is a gross workaround for an etable bug that I can't fix - bug #55303 */
    /* this needs to be a lower priority than anything in e-table-item/e-canvas, since
     * e_canvas_item_region_show_relay() uses a timeout, we have to use a timeout of the
     * same interval but a lower priority. */
    emfb->priv->idle_scroll_id = g_timeout_add_full (G_PRIORITY_LOW, 250, (GSourceFunc) scroll_idle_cb, emfb, NULL);
    /* FIXME: This is another ugly hack done to hide a bug that above hack leaves. */
    g_signal_connect (((GtkScrolledWindow *) ml)->vscrollbar, "button-press-event", G_CALLBACK (emfb_etree_unfreeze), emfb);
}

static void
emfb_set_search_folder(EMFolderView *emfv, CamelFolder *folder, const char *uri)
{
    EMFolderBrowser *emfb = (EMFolderBrowser *) emfv;
    const gchar *state;

    message_list_freeze(emfv->list);

    if (emfb->priv->list_scrolled_id) {
        g_signal_handler_disconnect (emfv->list, emfb->priv->list_scrolled_id);
        emfb->priv->list_scrolled_id = 0;
    }

    if (emfb->priv->idle_scroll_id) {
        g_source_remove (emfb->priv->idle_scroll_id);
        emfb->priv->idle_scroll_id = 0;
    }

    if (emfb->view.folder) {
        camel_object_remove_event(emfb->view.folder, emfb->priv->folder_changed_id);
        emfb->priv->folder_changed_id = 0;
    }

    emfb_parent->set_folder(emfv, folder, uri);

    /* etspec for search results */
    state = "<ETableState>"
        "<column source=\"0\"/> <column source=\"3\"/> <column source=\"1\"/>"
        "<column source=\"14\"/> <column source=\"5\"/>"
        "<column source=\"7\"/> <column source=\"13\"/> "
        "<grouping><leaf column=\"7\" ascending=\"false\"/> </grouping> </ETableState>";
    e_tree_set_state (((MessageList *)emfv->list)->tree, state);

    message_list_thaw(emfv->list);
}


static void
emfb_set_folder(EMFolderView *emfv, CamelFolder *folder, const char *uri)
{
    EMFolderBrowser *emfb = (EMFolderBrowser *) emfv;
    struct _EMFolderBrowserPrivate *p = emfb->priv;
    gboolean different_folder;

    message_list_freeze(emfv->list);

    if (emfb->priv->list_scrolled_id) {
        g_signal_handler_disconnect (emfv->list, emfb->priv->list_scrolled_id);
        emfb->priv->list_scrolled_id = 0;
    }

    if (emfb->priv->idle_scroll_id) {
        g_source_remove (emfb->priv->idle_scroll_id);
        emfb->priv->idle_scroll_id = 0;
    }

    if (emfb->view.folder && emfb->priv->folder_changed_id) {
        camel_object_remove_event(emfb->view.folder, emfb->priv->folder_changed_id);
        emfb->priv->folder_changed_id = 0;
    }

    different_folder =
        emfb->view.folder != NULL &&
        folder != emfb->view.folder;

    emfb_parent->set_folder(emfv, folder, uri);

    /* This is required since we get activated the first time
       before the folder is open and need to override the
       defaults */
    if (folder) {
        char *sstate;
        int state;
        gboolean safe;
        GConfClient *gconf = mail_config_get_gconf_client();

        safe = gconf_client_get_bool (gconf, "/apps/evolution/mail/display/safe_list", NULL);
        if (safe) {
            if (camel_object_meta_set(emfv->folder, "evolution:show_preview", "0") &&
                camel_object_meta_set(emfv->folder, "evolution:selected_uid", NULL)) {
                camel_object_state_write(emfv->folder);
                g_free (emfb->priv->select_uid);
                emfb->priv->select_uid = NULL;
            }
            gconf_client_set_bool (gconf, "/apps/evolution/mail/display/safe_list", FALSE, NULL);
        }

        mail_refresh_folder(folder, NULL, NULL);

        emfb->priv->folder_changed_id = camel_object_hook_event(folder, "folder_changed",
                                    (CamelObjectEventHookFunc)emfb_folder_changed, emfb);

        /* FIXME: this mostly copied from activate() */
        if ((sstate = camel_object_meta_get(folder, "evolution:show_preview"))) {
            state = sstate[0] != '0';
            g_free(sstate);
        } else
            state = gconf_client_get_bool(gconf, "/apps/evolution/mail/display/show_preview", NULL);
        em_folder_browser_show_preview(emfb, state);
        if (emfv->uic)
            bonobo_ui_component_set_prop(emfv->uic, "/commands/ViewPreview", "state", state?"1":"0", NULL);

        if ((sstate = camel_object_meta_get(folder, "evolution:thread_list"))) {
            state = sstate[0] != '0';
            g_free(sstate);
        } else
            state = gconf_client_get_bool(gconf, "/apps/evolution/mail/display/thread_list", NULL);
        message_list_set_threaded(emfv->list, state);
        if (emfv->uic) {
            bonobo_ui_component_set_prop(emfv->uic, "/commands/ViewThreaded", "state", state?"1":"0", NULL);
            bonobo_ui_component_set_prop(emfv->uic, "/commands/ViewThreadsCollapseAll", "sensitive", state?"1":"0", NULL);
            bonobo_ui_component_set_prop(emfv->uic, "/commands/ViewThreadsExpandAll", "sensitive", state?"1":"0", NULL);
        }

        if (emfv->uic) {
            state = (folder->folder_flags & CAMEL_FOLDER_IS_TRASH) == 0;
            bonobo_ui_component_set_prop(emfv->uic, "/commands/HideDeleted", "sensitive", state?"1":"0", NULL);
        }

        /* Fixme */
        sstate = camel_object_meta_get(folder, "evolution:search_state");
        if (sstate) {
            g_object_set(emfb->search, "state", sstate, NULL);
            g_free(sstate);
        } else {
            gboolean outgoing;
            outgoing = em_utils_folder_is_drafts (emfv->folder, emfv->folder_uri)
                || em_utils_folder_is_sent (emfv->folder, emfv->folder_uri)
                || em_utils_folder_is_outbox (emfv->folder, emfv->folder_uri);

            e_search_bar_set_text ((ESearchBar *)emfb->search, "");

            if (outgoing) {
                e_search_bar_set_item_id ((ESearchBar *)emfb->search, 1);
                ((ESearchBar *)emfb->search)->block_search = TRUE;
                e_search_bar_set_item_menu ((ESearchBar *)emfb->search, 1);
                ((ESearchBar *)emfb->search)->block_search = FALSE;

            } else {
                e_search_bar_set_item_id ((ESearchBar *)emfb->search, 0);
                ((ESearchBar *)emfb->search)->block_search = TRUE;
                e_search_bar_set_item_menu ((ESearchBar *)emfb->search, 0);
                ((ESearchBar *)emfb->search)->block_search = FALSE;

            }
            e_search_bar_paint ((ESearchBar *)emfb->search);
        }

        /* This function gets triggered several times at startup,
         * so we don't want to reset the message suppression state
         * unless we're actually switching to a different folder. */
        if (different_folder)
            p->suppress_message_selection = FALSE;

        if (!p->suppress_message_selection)
            sstate = camel_object_meta_get (
                folder, "evolution:selected_uid");
        else
            sstate = NULL;

        g_free (p->select_uid);
        p->select_uid = sstate;

        if (emfv->list->cursor_uid == NULL && emfb->priv->list_built_id == 0)
            p->list_built_id = g_signal_connect(emfv->list, "message_list_built", G_CALLBACK (emfb_list_built), emfv);
    }

    message_list_thaw(emfv->list);
}

static void
emfb_activate(EMFolderView *emfv, BonoboUIComponent *uic, int act)
{
    if (act) {
        GConfClient *gconf;
        gboolean state;
        char *sstate;
        EMFolderBrowser *emfb = (EMFolderBrowser *) emfv;

        gconf = mail_config_get_gconf_client ();

        /* parent loads all ui files via ui_files */
        emfb_parent->activate(emfv, uic, act);

        bonobo_ui_component_add_verb_list_with_data(uic, emfb_verbs, emfv);
        e_pixmaps_update(uic, emfb_pixmaps);

        /* FIXME: finish */
        /* (Pre)view pane size (do this first because it affects the
               preview settings - see folder_browser_set_message_preview()
               internals for details) */
        g_signal_handler_block(emfb->vpane, emfb->priv->vpane_resize_id);
        gtk_paned_set_position((GtkPaned *)emfb->vpane, gconf_client_get_int (gconf, emfb->priv->show_wide ? "/apps/evolution/mail/display/hpaned_size": "/apps/evolution/mail/display/paned_size", NULL));
        g_signal_handler_unblock(emfb->vpane, emfb->priv->vpane_resize_id);

        /* (Pre)view toggle */
        if (emfv->folder
            && (sstate = camel_object_meta_get(emfv->folder, "evolution:show_preview"))) {
            state = sstate[0] == '1';
            g_free(sstate);
        } else {
            state = gconf_client_get_bool(gconf, "/apps/evolution/mail/display/show_preview", NULL);
        }

        bonobo_ui_component_set_prop(uic, "/commands/ViewPreview", "state", state?"1":"0", NULL);
        em_folder_browser_show_preview((EMFolderBrowser *)emfv, state);
        bonobo_ui_component_add_listener(uic, "ViewPreview", emfb_view_preview, emfv);

        /* Stop button */
        state = mail_msg_active((unsigned int)-1);
        bonobo_ui_component_set_prop(uic, "/commands/MailStop", "sensitive", state?"1":"0", NULL);

        /* HideDeleted */
        state = !gconf_client_get_bool(gconf, "/apps/evolution/mail/display/show_deleted", NULL);
        if (emfv->folder && (emfv->folder->folder_flags & CAMEL_FOLDER_IS_TRASH)) {
            state = FALSE;
            bonobo_ui_component_set_prop(uic, "/commands/HideDeleted", "sensitive", "0", NULL);
        } else
            bonobo_ui_component_set_prop(uic, "/commands/HideDeleted", "sensitive", "1", NULL);
        bonobo_ui_component_set_prop(uic, "/commands/HideDeleted", "state", state ? "1" : "0", NULL);
        bonobo_ui_component_add_listener(uic, "HideDeleted", emfb_hide_deleted, emfv);
        em_folder_view_set_hide_deleted(emfv, state); /* <- not sure if this optimal, but it'll do */

        /* FIXME: If we have no folder, we can't do a few of the lookups we need,
           perhaps we should postpone till we can */

        /* ViewThreaded */
        if (emfv->folder
            && (sstate = camel_object_meta_get(emfv->folder, "evolution:thread_list"))) {
            state = sstate[0] != '0';
            g_free(sstate);
        } else {
            state = gconf_client_get_bool(gconf, "/apps/evolution/mail/display/thread_list", NULL);
        }

        bonobo_ui_component_set_prop(uic, "/commands/ViewThreaded", "state", state?"1":"0", NULL);
        bonobo_ui_component_set_prop(uic, "/commands/ViewThreadsCollapseAll", "sensitive", state?"1":"0", NULL);
        bonobo_ui_component_set_prop(uic, "/commands/ViewThreadsExpandAll", "sensitive", state?"1":"0", NULL);
        bonobo_ui_component_add_listener(uic, "ViewThreaded", emfb_view_threaded, emfv);
        message_list_set_threaded(emfv->list, state);

        /* Show wide display */
        if (emfb->priv->show_wide) {
            bonobo_ui_component_set_prop(uic, "/commands/ViewAfter", "state", "1", NULL);
            bonobo_ui_component_set_prop(uic, "/commands/ViewBelow", "state", "0", NULL);
        } else {
            bonobo_ui_component_set_prop(uic, "/commands/ViewAfter", "state", "0", NULL);
            bonobo_ui_component_set_prop(uic, "/commands/ViewBelow", "state", "1", NULL);
        }

        bonobo_ui_component_add_listener(uic, "ViewAfter", emfb_show_next, emfv);
        bonobo_ui_component_add_listener(uic, "ViewBelow", emfb_show_below, emfv);
        /* em_folder_browser_show_wide((EMFolderBrowser *)emfv, state); */

        /* FIXME: Selection state */

        /* FIXME: property menu customisation */
        /*folder_browser_setup_property_menu (fb, fb->uicomp);*/

        if (((EMFolderBrowser *)emfv)->search)
            e_search_bar_set_ui_component((ESearchBar *)((EMFolderBrowser *)emfv)->search, uic);
    } else {
        const BonoboUIVerb *v;

        for (v = &emfb_verbs[0]; v->cname; v++)
            bonobo_ui_component_remove_verb(uic, v->cname);

        if (((EMFolderBrowser *)emfv)->search)
            e_search_bar_set_ui_component((ESearchBar *)((EMFolderBrowser *)emfv)->search, NULL);

        emfb_parent->activate(emfv, uic, act);
    }
}

void
em_folder_browser_suppress_message_selection (EMFolderBrowser *emfb)
{
    emfb->priv->suppress_message_selection = TRUE;
}