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

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 *  Authors: Michael Zucchi <notzed@ximian.com>
 *           Jeffrey Stedfast <fejj@ximian.com>
 *
 *  Copyright 2003 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 <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

#include <string.h>

#include <gtk/gtkvbox.h>
#include <gtk/gtkscrolledwindow.h>
#include <gtk/gtkbutton.h>
#include <gtk/gtkvpaned.h>
#include <gtkhtml/gtkhtml.h>
#include <gdk/gdkkeysyms.h>
#include <gconf/gconf-client.h>

#include <libgnomeprintui/gnome-print-dialog.h>

#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 <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 <widgets/misc/e-filter-bar.h>
#include <camel/camel-search-private.h>

#include "e-util/e-dialog-utils.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-subscribe-editor.h"
#include "em-menu.h"
#include "message-list.h"

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

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

#define d(x)

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

    GtkWidget *subscribe_editor;

    guint search_menu_activated_id;
    guint search_activated_id;
    guint search_query_changed_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;

    EMMenu *menu;       /* toplevel menu manager */
};

static void emfb_activate(EMFolderView *emfv, BonoboUIComponent *uic, int state);
static void emfb_set_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_query_changed(ESearchBar *esb, EMFolderBrowser *emfb);

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 const EMFolderViewEnable emfb_enable_map[];

enum {
    ESB_SAVE,
};

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

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 ();
    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))
        gconf_client_set_int(gconf, "/apps/evolution/mail/display/paned_size",
                     gtk_paned_get_position(GTK_PANED(w)), NULL);
    
    return FALSE;
}

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

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

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

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

    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");
        
        emfb->search = e_filter_bar_new(search_context, systemrules, userrules, emfb_search_config_search, emfb);
        e_search_bar_set_menu ((ESearchBar *)emfb->search, emfb_search_items);
        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);
        p->search_query_changed_id = g_signal_connect(emfb->search, "query_changed", G_CALLBACK(emfb_search_query_changed), emfb);

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

    emfb->vpane = 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_defaults((GtkBox *)emfb, emfb->vpane);
    
    gtk_paned_add1((GtkPaned *)emfb->vpane, (GtkWidget *)emfb->view.list);
    gtk_widget_show((GtkWidget *)emfb->view.list);

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

    gtk_container_add((GtkContainer *)p->preview, (GtkWidget *)emfb->view.preview->formathtml.html);
    gtk_widget_show((GtkWidget *)emfb->view.preview->formathtml.html);

    gtk_paned_add2((GtkPaned *)emfb->vpane, p->preview);
    gtk_widget_show(p->preview);

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

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

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

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.
     */
    ((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)
        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, "/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);

            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);
        /*
        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 */
}

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

/* 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 = vfolder_clone_rule(efb->current_query);          
            char *name, *text;
            
            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;
    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(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;
    }

    em_format_html_display_set_search(emfb->view.preview,
                      EM_FORMAT_HTML_DISPLAY_SEARCH_SECONDARY|EM_FORMAT_HTML_DISPLAY_SEARCH_ICASE,
                      strings);
    while (strings) {
        GSList *n = strings->next;

        g_free(strings->data);
        g_slist_free_1(strings);
        strings = n;
    }
}

static void
emfb_search_search_activated(ESearchBar *esb, EMFolderBrowser *emfb)
{
    EMFolderView *emfv = (EMFolderView *) emfb;
    char *search_word, *search_state;
    
    if (emfv->list == NULL || emfv->folder == NULL)
        return;
    
    g_object_get (esb, "query", &search_word, NULL);
    message_list_set_search(emfb->view.list, search_word);
    g_free (search_word);
    
    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);
}

static void
emfb_search_query_changed(ESearchBar *esb, EMFolderBrowser *emfb)
{
    int id;
    
    id = e_search_bar_get_item_id(esb);
    if (id == E_FILTERBAR_ADVANCED_ID)
        emfb_search_search_activated(esb, emfb);
}

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

static int
emfb_list_key_press(ETree *tree, int row, ETreePath path, int col, GdkEvent *ev, EMFolderBrowser *emfb)
{
    if ((ev->key.state & GDK_CONTROL_MASK) != 0)
        return FALSE;
    
    switch (ev->key.keyval) {
    case GDK_space:
        em_utils_adjustment_page(gtk_scrolled_window_get_vadjustment((GtkScrolledWindow *)emfb->priv->preview), TRUE);
        break;
    case GDK_BackSpace:
        em_utils_adjustment_page(gtk_scrolled_window_get_vadjustment((GtkScrolledWindow *)emfb->priv->preview), FALSE);
        break;
    default:
        return FALSE;
    }
    
    return TRUE;
}

static void
emfb_list_message_selected (MessageList *ml, const char *uid, EMFolderBrowser *emfb)
{
    EMFolderView *emfv = (EMFolderView *) emfb;
    
    if (emfv->folder == NULL)
        return;
    
    camel_object_meta_set (emfv->folder, "evolution:selected_uid", uid);
    camel_object_state_write (emfv->folder);
}

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

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

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;

    uids = camel_folder_get_uids(emfv->folder);
    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);
    camel_folder_free_uids(emfv->folder, 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 */
    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_empty_trash(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderView *emfv = data;
    
    em_utils_empty_trash (gtk_widget_get_toplevel ((GtkWidget *) emfv));
}

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

    if (!em_utils_check_user_can_send_mail((GtkWidget *)emfv))
        return;

    em_utils_compose_new_message(emfv->folder_uri);
}

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

static void
emfb_mail_post(BonoboUIComponent *uid, void *data, const char *path)
{
    EMFolderView *emfv = data;
    em_utils_post_to_folder (emfv->folder);
}

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_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 ("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 ("EmptyTrash", emfb_empty_trash),
    BONOBO_UI_UNSAFE_VERB ("MailCompose", emfb_mail_compose),
    BONOBO_UI_UNSAFE_VERB ("MailPost", emfb_mail_post),
    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),
    /* ViewPreview is a toggle */

    BONOBO_UI_VERB_END
};

static EPixmap emfb_pixmaps[] = {
    E_PIXMAP ("/commands/ChangeFolderProperties", "stock_folder-properties", E_ICON_SIZE_MENU),
    E_PIXMAP ("/commands/ViewHideRead", "stock_mail-hide-read", E_ICON_SIZE_MENU),
    E_PIXMAP ("/commands/ViewHideSelected", "stock_mail-hide-selected", E_ICON_SIZE_MENU),
    E_PIXMAP ("/commands/ViewShowAll", "stock_show-all", E_ICON_SIZE_MENU),
    
    E_PIXMAP ("/commands/MailCompose", "stock_mail-compose", E_ICON_SIZE_MENU),

    E_PIXMAP_END
};

static const EMFolderViewEnable emfb_enable_map[] = {
    { "EditInvertSelection", EM_POPUP_SELECT_FOLDER },
    { "EditSelectAll", EM_POPUP_SELECT_FOLDER },
    { "EditSelectThread", EM_FOLDER_VIEW_SELECT_THREADED },
    { "FolderExpunge", EM_POPUP_SELECT_FOLDER },
    { "MailPost", EM_POPUP_SELECT_FOLDER },
    { "MessageMarkAllAsRead", EM_POPUP_SELECT_FOLDER },
    { "ViewHideSelected", EM_POPUP_SELECT_MANY },
    { "ViewShowAll", EM_FOLDER_VIEW_SELECT_HIDDEN },
    { NULL },
};

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_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, TRUE);
            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);
}

/* 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);
}

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

        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);
        
        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);
        }

        sstate = camel_object_meta_get(folder, "evolution:search_state");
        g_object_set(emfb->search, "state", sstate, NULL);
        g_free(sstate);
        
        /* set the query manually, so we dont pop up advanced or saved search stuff */
        g_object_get(emfb->search, "query", &sstate, NULL);
        message_list_set_search(emfb->view.list, sstate);
        g_free(sstate);

        if ((sstate = camel_object_meta_get (folder, "evolution:selected_uid"))) {
            emfb->priv->select_uid = sstate;
        } else {
            g_free(p->select_uid);
            p->select_uid = NULL;
        }
        
        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;

        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);

#if 0
        /* 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, "/apps/evolution/mail/display/paned_size", NULL));
        g_signal_handler_unblock(emfb->vpane, emfb->priv->vpane_resize_id);
#endif
        
        /* (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_add_listener(uic, "ViewThreaded", emfb_view_threaded, emfv);
        message_list_set_threaded(emfv->list, 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);
    }
}