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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 *  Authors: 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>

#include <gtk/gtk.h>
#include <gdk-pixbuf/gdk-pixbuf.h>

#include <camel/camel-session.h>
#include <camel/camel-store.h>
#include <camel/camel-folder.h>
#include <camel/camel-vtrash-folder.h>
#include <camel/camel-stream-mem.h>
#include <camel/camel-file-utils.h>

#include "e-util/e-mktemp.h"
#include "e-util/e-request.h"
#include "e-util/e-dialog-utils.h"

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

#include "em-utils.h"
#include "em-popup.h"
#include "em-marshal.h"
#include "em-folder-tree.h"
#include "em-folder-selector.h"
#include "em-folder-selection.h"


#define d(x) x


struct _EMFolderTreePrivate {
    GtkTreeView *treeview;
    EMFolderTreeModel *model;
    
    char *selected_uri;
    char *selected_path;

    gboolean do_multiselect;
    /* when doing a multiselect, folders that we didn't find */
    GList *lost_folders;
    
    guint save_state_id;
    
    guint loading_row_id;
    
    GtkTreeRowReference *drag_row;
};

enum {
    FOLDER_SELECTED,
    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL] = { 0 };

extern CamelSession *session;


static void em_folder_tree_class_init (EMFolderTreeClass *klass);
static void em_folder_tree_init (EMFolderTree *emft);
static void em_folder_tree_destroy (GtkObject *obj);
static void em_folder_tree_finalize (GObject *obj);

static gboolean emft_save_state (EMFolderTree *emft);
static void emft_queue_save_state (EMFolderTree *emft);

static void emft_tree_row_collapsed (GtkTreeView *treeview, GtkTreeIter *root, GtkTreePath *path, EMFolderTree *emft);
static void emft_tree_row_expanded (GtkTreeView *treeview, GtkTreeIter *root, GtkTreePath *path, EMFolderTree *emft);
static gboolean emft_tree_button_press (GtkWidget *treeview, GdkEventButton *event, EMFolderTree *emft);
static void emft_tree_selection_changed (GtkTreeSelection *selection, EMFolderTree *emft);

struct _emft_selection_data {
    GtkTreeModel *model;
    GtkTreeIter *iter;
    gboolean set;
};


static GtkVBoxClass *parent_class = NULL;


GType
em_folder_tree_get_type (void)
{
    static GType type = 0;
    
    if (!type) {
        static const GTypeInfo info = {
            sizeof (EMFolderTreeClass),
            NULL, /* base_class_init */
            NULL, /* base_class_finalize */
            (GClassInitFunc) em_folder_tree_class_init,
            NULL, /* class_finalize */
            NULL, /* class_data */
            sizeof (EMFolderTree),
            0,    /* n_preallocs */
            (GInstanceInitFunc) em_folder_tree_init,
        };
        
        type = g_type_register_static (GTK_TYPE_VBOX, "EMFolderTree", &info, 0);
    }
    
    return type;
}

static void
em_folder_tree_class_init (EMFolderTreeClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);
    GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (klass);
    
    parent_class = g_type_class_ref (GTK_TYPE_VBOX);
    
    object_class->finalize = em_folder_tree_finalize;
    gtk_object_class->destroy = em_folder_tree_destroy;
    
    signals[FOLDER_SELECTED] =
        g_signal_new ("folder-selected",
                  G_OBJECT_CLASS_TYPE (object_class),
                  G_SIGNAL_RUN_FIRST,
                  G_STRUCT_OFFSET (EMFolderTreeClass, folder_selected),
                  NULL, NULL,
                  em_marshal_VOID__STRING_STRING,
                  G_TYPE_NONE, 2,
                  G_TYPE_STRING,
                  G_TYPE_STRING);
}


static gboolean
subdirs_contain_unread (GtkTreeModel *model, GtkTreeIter *root)
{
    unsigned int unread;
    GtkTreeIter iter;
    
    if (!gtk_tree_model_iter_children (model, &iter, root))
        return FALSE;
    
    do {
        gtk_tree_model_get (model, &iter, COL_UINT_UNREAD, &unread, -1);
        if (unread)
            return TRUE;
        
        if (gtk_tree_model_iter_has_child (model, &iter))
            if (subdirs_contain_unread (model, &iter))
                return TRUE;
    } while (gtk_tree_model_iter_next (model, &iter));
    
    return FALSE;
}


enum {
    FOLDER_ICON_NORMAL,
    FOLDER_ICON_INBOX,
    FOLDER_ICON_OUTBOX,
    FOLDER_ICON_TRASH,
    FOLDER_ICON_JUNK,
    FOLDER_ICON_LAST
};

static GdkPixbuf *folder_icons[FOLDER_ICON_LAST];

static void
render_pixbuf (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
           GtkTreeModel *model, GtkTreeIter *iter, gpointer user_data)
{
    static gboolean initialised = FALSE;
    GdkPixbuf *pixbuf = NULL;
    gboolean is_store;
    char *path;
    
    if (!initialised) {
        folder_icons[FOLDER_ICON_NORMAL] = gdk_pixbuf_new_from_file (EVOLUTION_ICONSDIR "/folder-mini.png", NULL);
        folder_icons[FOLDER_ICON_INBOX] = gdk_pixbuf_new_from_file (EVOLUTION_ICONSDIR "/inbox-mini.png", NULL);
        folder_icons[FOLDER_ICON_OUTBOX] = gdk_pixbuf_new_from_file (EVOLUTION_ICONSDIR "/outbox-mini.png", NULL);
        folder_icons[FOLDER_ICON_TRASH] = gdk_pixbuf_new_from_file (EVOLUTION_ICONSDIR "/evolution-trash-mini.png", NULL);
        folder_icons[FOLDER_ICON_JUNK] = gdk_pixbuf_new_from_file (EVOLUTION_ICONSDIR "/evolution-junk-mini.png", NULL);
        initialised = TRUE;
    }
    
    gtk_tree_model_get (model, iter, COL_STRING_FOLDER_PATH, &path,
                COL_BOOL_IS_STORE, &is_store, -1);
    
    if (!is_store && path != NULL) {
        if (!strcasecmp (path, "/Inbox"))
            pixbuf = folder_icons[FOLDER_ICON_INBOX];
        else if (!strcasecmp (path, "/Outbox"))
            pixbuf = folder_icons[FOLDER_ICON_OUTBOX];
        else if (*path == '/' && !strcasecmp (path + 1, CAMEL_VTRASH_NAME))
            pixbuf = folder_icons[FOLDER_ICON_TRASH];
        else if (*path == '/' && !strcasecmp (path + 1, CAMEL_VJUNK_NAME))
            pixbuf = folder_icons[FOLDER_ICON_JUNK];
        else
            pixbuf = folder_icons[FOLDER_ICON_NORMAL];
    }
    
    g_object_set (renderer, "pixbuf", pixbuf, "visible", !is_store, NULL);
}

static void
render_display_name (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
             GtkTreeModel *model, GtkTreeIter *iter, gpointer user_data)
{
    gboolean is_store, bold;
    unsigned int unread;
    char *display;
    char *name;
    
    gtk_tree_model_get (model, iter, COL_STRING_DISPLAY_NAME, &name,
                COL_BOOL_IS_STORE, &is_store,
                COL_UINT_UNREAD, &unread, -1);
    
    if (!(bold = is_store || unread)) {
        if (gtk_tree_model_iter_has_child (model, iter))
            bold = subdirs_contain_unread (model, iter);
    }
    
    if (!is_store && unread)
        display = g_strdup_printf ("%s (%u)", name, unread);
    else
        display = g_strdup (name);
    
    g_object_set (renderer, "text", display,
              "weight", bold ? PANGO_WEIGHT_BOLD : PANGO_WEIGHT_NORMAL,
              NULL);
    
    g_free (display);
}

static void
em_folder_tree_init (EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv;
    
    priv = g_new0 (struct _EMFolderTreePrivate, 1);
    priv->lost_folders = NULL;
    priv->selected_uri = NULL;
    priv->selected_path = NULL;
    priv->treeview = NULL;
    priv->model = NULL;
    priv->drag_row = NULL;
    
    emft->priv = priv;
}

static void
em_folder_tree_finalize (GObject *obj)
{
    EMFolderTree *emft = (EMFolderTree *) obj;

    /* clear list of lost uris */
    if (emft->priv->lost_folders) {
        g_list_foreach (emft->priv->lost_folders, (GFunc) g_free, NULL);
        g_list_free (emft->priv->lost_folders);
        emft->priv->lost_folders = NULL;
    }
    
    g_free (emft->priv->selected_uri);
    g_free (emft->priv->selected_path);
    g_free (emft->priv);
    
    G_OBJECT_CLASS (parent_class)->finalize (obj);
}

static void
em_folder_tree_destroy (GtkObject *obj)
{
    EMFolderTree *emft = (EMFolderTree *) obj;
    struct _EMFolderTreePrivate *priv = emft->priv;
    
    if (priv->loading_row_id != 0) {
        g_signal_handler_disconnect (priv->model, priv->loading_row_id);
        priv->loading_row_id = 0;
    }
    
    if (priv->save_state_id != 0) {
        g_source_remove (priv->save_state_id);
        emft_save_state (emft);
    }

    priv->treeview = NULL;
    priv->model = NULL;
    
    GTK_OBJECT_CLASS (parent_class)->destroy (obj);
}


static GtkTreeView *
folder_tree_new (EMFolderTreeModel *model)
{
    GtkTreeSelection *selection;
    GtkTreeViewColumn *column;
    GtkCellRenderer *renderer;
    GtkWidget *tree;
    
    tree = gtk_tree_view_new_with_model ((GtkTreeModel *) model);
    
    column = gtk_tree_view_column_new ();
    gtk_tree_view_append_column ((GtkTreeView *) tree, column);
    
    renderer = gtk_cell_renderer_pixbuf_new ();
    gtk_tree_view_column_pack_start (column, renderer, FALSE);
    gtk_tree_view_column_set_cell_data_func (column, renderer, render_pixbuf, NULL, NULL);
    
    renderer = gtk_cell_renderer_text_new ();
    gtk_tree_view_column_pack_start (column, renderer, TRUE);
    gtk_tree_view_column_set_cell_data_func (column, renderer, render_display_name, NULL, NULL);
    
    selection = gtk_tree_view_get_selection ((GtkTreeView *) tree);
    gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE);
    
    gtk_tree_view_set_headers_visible ((GtkTreeView *) tree, FALSE);
    
    return (GtkTreeView *) tree;
}

static void
em_folder_tree_construct (EMFolderTree *emft, EMFolderTreeModel *model)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    GtkTreeSelection *selection;
    GtkWidget *scrolled;
    
    scrolled = gtk_scrolled_window_new (NULL, NULL);
    gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
    gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled), GTK_SHADOW_IN);
    
    priv->model = model;
    priv->treeview = folder_tree_new (model);
    gtk_widget_show ((GtkWidget *) priv->treeview);
    
    g_signal_connect (priv->treeview, "row-expanded", G_CALLBACK (emft_tree_row_expanded), emft);
    g_signal_connect (priv->treeview, "row-collapsed", G_CALLBACK (emft_tree_row_collapsed), emft);
    g_signal_connect (priv->treeview, "button-press-event", G_CALLBACK (emft_tree_button_press), emft);
    
    selection = gtk_tree_view_get_selection ((GtkTreeView *) priv->treeview);
    g_signal_connect (selection, "changed", G_CALLBACK (emft_tree_selection_changed), emft);
    
    gtk_container_add ((GtkContainer *) scrolled, (GtkWidget *) priv->treeview);
    gtk_widget_show (scrolled);
    
    gtk_box_pack_start ((GtkBox *) emft, scrolled, TRUE, TRUE, 0);
}


GtkWidget *
em_folder_tree_new (void)
{
    EMFolderTreeModel *model;
    EMFolderTree *emft;
    
    model = em_folder_tree_model_new (mail_component_peek_base_directory (mail_component_peek ()));
    emft = (EMFolderTree *) em_folder_tree_new_with_model (model);
    g_object_unref (model);
    
    return (GtkWidget *) emft;
}


struct _gsbn {
    struct _EMFolderTreeModelStoreInfo *si;
    const char *name;
};

static void
emft_get_store_by_name (CamelStore *store, struct _EMFolderTreeModelStoreInfo *si, struct _gsbn *gsbn)
{
    if (!strcmp (si->display_name, gsbn->name))
        gsbn->si = si;
}

static void
emft_expand_node (const char *key, gpointer value, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    struct _EMFolderTreeModelStoreInfo *si;
    GtkTreeRowReference *row;
    GtkTreePath *path;
    EAccount *account;
    const char *p;
    char *id;
    
    if (!(p = strchr (key, ':')))
        return;
    
    id = g_strndup (key, p - key);
    if ((account = mail_config_get_account_by_uid (id)) && account->enabled) {
        CamelException ex;
        CamelStore *store;
        
        camel_exception_init (&ex);
        store = (CamelStore *) camel_session_get_service (session, account->source->url, CAMEL_PROVIDER_STORE, &ex);
        camel_exception_clear (&ex);
        
        if (store == NULL || !(si = g_hash_table_lookup (priv->model->store_hash, store))) {
            if (store)
                camel_object_unref (store);
            g_free (id);
            return;
        }
    } else {
        struct _gsbn gsbn;
        
        gsbn.si = NULL;
        gsbn.name = id;
        
        g_hash_table_foreach (priv->model->store_hash, (GHFunc) emft_get_store_by_name, &gsbn);
        if (!(si = gsbn.si)) {
            g_free (id);
            return;
        }
    }
    
    g_free (id);
    
    p++;
    if (!strcmp (p, "/"))
        row = si->row;
    else if (!(row = g_hash_table_lookup (si->path_hash, p)))
        return;
    
    path = gtk_tree_row_reference_get_path (row);
    gtk_tree_view_expand_to_path (priv->treeview, path);
    gtk_tree_path_free (path);
}


static void
emft_loading_row_cb (EMFolderTreeModel *model, GtkTreePath *tree_path, GtkTreeIter *iter, EMFolderTree *emft)
{
    struct _EMFolderTreeModelStoreInfo *si;
    CamelStore *store;
    EAccount *account;
    char *path, *key;
    
    gtk_tree_model_get ((GtkTreeModel *) model, iter,
                COL_STRING_FOLDER_PATH, &path,
                COL_POINTER_CAMEL_STORE, &store,
                -1);
    
    si = g_hash_table_lookup (model->store_hash, store);
    if ((account = mail_config_get_account_by_name (si->display_name))) {
            key = g_strdup_printf ("%s:%s", account->uid, path);
    } else {
        key = g_strdup_printf ("%s:%s", si->display_name, path);
    }
    
    if (em_folder_tree_model_get_expanded (model, key))
        gtk_tree_view_expand_to_path (emft->priv->treeview, tree_path);
    
    g_free (key);
}


GtkWidget *
em_folder_tree_new_with_model (EMFolderTreeModel *model)
{
    EMFolderTree *emft;
    
    emft = g_object_new (EM_TYPE_FOLDER_TREE, NULL);
    em_folder_tree_construct (emft, model);
    g_object_ref (model);
    
    /* FIXME: this sucks... */
    g_hash_table_foreach (model->expanded, (GHFunc) emft_expand_node, emft);
    
    emft->priv->loading_row_id = g_signal_connect (model, "loading-row", G_CALLBACK (emft_loading_row_cb), emft);
    
    return (GtkWidget *) emft;
}


static void
tree_drag_begin (GtkWidget *widget, GdkDragContext *context, EMFolderTree *emft)
{
    /* FIXME: set an icon? */
    printf ("::drag-begin called\n");
}

static void
tree_drag_data_delete (GtkWidget *widget, GdkDragContext *context, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    GtkTreePath *path;
    
    printf ("::drag-data-delete called\n");
    
    if (!priv->drag_row || (path = gtk_tree_row_reference_get_path (priv->drag_row)))
        return;
    
    em_folder_tree_model_drag_data_delete (priv->model, path);
    gtk_tree_path_free (path);
}

static void
tree_drag_data_get (GtkWidget *widget, GdkDragContext *context, GtkSelectionData *selection, guint info, guint time, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    GtkTreePath *path;
    
    printf ("::drag-data-get called\n");
    
    if (!priv->drag_row || !(path = gtk_tree_row_reference_get_path (priv->drag_row)))
        return;
    
    em_folder_tree_model_drag_data_get (priv->model, path, selection, info);
    gtk_tree_path_free (path);
}

static void
tree_drag_data_received (GtkWidget *widget, GdkDragContext *context, int x, int y, GtkSelectionData *selection,
             guint info, guint time, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    GtkTreeViewColumn *column;
    int cell_x, cell_y;
    GtkTreePath *path;
    gboolean success;
    gboolean moved;
    gboolean move;
    
    printf ("::drag-data-received called\n");
    
    if (!gtk_tree_view_get_path_at_pos (priv->treeview, x, y, &path, &column, &cell_x, &cell_y))
        return;
    
    move = context->action == GDK_ACTION_MOVE;
    success = em_folder_tree_model_drag_data_received (priv->model, path, selection, info, move, &moved);
    
    gtk_drag_finish (context, success, success && move && !moved, time);
}

static gboolean
tree_drag_drop (GtkWidget *widget, GdkDragContext *context, int x, int y, guint time, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    GtkTreeViewColumn *column;
    int cell_x, cell_y;
    GtkTreePath *path;
    GdkAtom target;
    
    printf ("::drag-drop called\n");
    
    if (!gtk_tree_view_get_path_at_pos (priv->treeview, x, y, &path, &column, &cell_x, &cell_y))
        return FALSE;
    
    target = em_folder_tree_model_row_drop_target (priv->model, path, context->targets);
    if (target == GDK_NONE) {
        gtk_tree_path_free (path);
        return FALSE;
    }
    
    gtk_tree_path_free (path);
    widget = gtk_drag_get_source_widget (context);
    gtk_drag_get_data (widget, context, target, time);
    
    return TRUE;
}

static void
tree_drag_end (GtkWidget *widget, GdkDragContext *context, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    
    printf ("::drag-end called\n");
    
    if (priv->drag_row) {
        gtk_tree_row_reference_free (priv->drag_row);
        priv->drag_row = NULL;
    }
    
    /* FIXME: undo anything done in drag-begin */
}

static void
tree_drag_leave (GtkWidget *widget, GdkDragContext *context, guint time, EMFolderTree *emft)
{
    /* FIXME: unhighlight target row? */
    printf ("::drag-leave called\n");
}

static gboolean
tree_drag_motion (GtkWidget *widget, GdkDragContext *context, int x, int y, guint time, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    GtkTreeViewColumn *column;
    int cell_x, cell_y;
    GtkTreePath *path;
    GdkDragAction action;
    
    printf ("::drag-motion called\n");
    
    if (!gtk_tree_view_get_path_at_pos (priv->treeview, x, y, &path, &column, &cell_x, &cell_y))
        return FALSE;
    
    /* FIXME: highlight target row? */
    
    action = em_folder_tree_model_row_drop_possible (priv->model, path, context->targets);
    gtk_tree_path_free (path);
    
    gdk_drag_status (context, action, time);
    
    return action;
}


void
em_folder_tree_enable_drag_and_drop (EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv;
    
    g_return_if_fail (EM_IS_FOLDER_TREE (emft));
    
    priv = emft->priv;
    
    em_folder_tree_model_set_drag_drop_types (priv->model, (GtkWidget *) priv->treeview);
    
    g_signal_connect (priv->treeview, "drag-begin", G_CALLBACK (tree_drag_begin), emft);
    g_signal_connect (priv->treeview, "drag-data-delete", G_CALLBACK (tree_drag_data_delete), emft);
    g_signal_connect (priv->treeview, "drag-data-get", G_CALLBACK (tree_drag_data_get), emft);
    g_signal_connect (priv->treeview, "drag-data-received", G_CALLBACK (tree_drag_data_received), emft);
    g_signal_connect (priv->treeview, "drag-drop", G_CALLBACK (tree_drag_drop), emft);
    g_signal_connect (priv->treeview, "drag-end", G_CALLBACK (tree_drag_end), emft);
    g_signal_connect (priv->treeview, "drag-leave", G_CALLBACK (tree_drag_leave), emft);
    g_signal_connect (priv->treeview, "drag-motion", G_CALLBACK (tree_drag_motion), emft);
}


void
em_folder_tree_set_multiselect (EMFolderTree *tree, gboolean mode)
{
    GtkTreeSelection *sel = gtk_tree_view_get_selection ((GtkTreeView *) tree->priv->treeview);
    
    tree->priv->do_multiselect = mode;
    gtk_tree_selection_set_mode (sel, mode ? GTK_SELECTION_MULTIPLE : GTK_SELECTION_SINGLE);
}

static void
get_selected_uris_iterate (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
{
    GList **list = (GList **) data;
    char *uri;
    
    gtk_tree_model_get (model, iter, /*COL_STRING_FOLDER_PATH, &path,*/
                COL_STRING_URI, &uri, -1);
    *list = g_list_append (*list, g_strdup (uri));
}

GList *
em_folder_tree_get_selected_uris (EMFolderTree *emft)
{
    GtkTreeSelection *selection = gtk_tree_view_get_selection (emft->priv->treeview);
    GList *lost = emft->priv->lost_folders;
    GList *list = NULL;
    
    /* at first, add lost uris */
    while (lost) {
        list = g_list_append (list, g_strdup (lost->data));
        lost = g_list_next (lost);
    }
    
    gtk_tree_selection_selected_foreach (selection, get_selected_uris_iterate, &list);
    
    return list;
}

static void
get_selected_uris_path_iterate (GtkTreeModel *model, GtkTreePath *treepath, GtkTreeIter *iter, gpointer data)
{
    GList **list = (GList **) data;
    char *path;
    
    gtk_tree_model_get (model, iter, COL_STRING_FOLDER_PATH, &path, -1);
    *list = g_list_append (*list, g_strdup (path));
}

GList *
em_folder_tree_get_selected_paths (EMFolderTree *emft)
{
    GtkTreeSelection *selection = gtk_tree_view_get_selection (emft->priv->treeview);
    GList *list = NULL;
    
    gtk_tree_selection_selected_foreach (selection, get_selected_uris_path_iterate, &list);
    
    return list;
}

void
em_folder_tree_set_selected_list (EMFolderTree *emft, GList *list)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    
    /* clear list of lost uris */
    if (priv->lost_folders) {
        g_list_foreach (priv->lost_folders, (GFunc)g_free, NULL);
        g_list_free (priv->lost_folders);
        priv->lost_folders = NULL;
    }
    
    while (list) {
        em_folder_tree_set_selected (emft, list->data);
        list = g_list_next (list);
    }
}


#if 0
static void
dump_fi (CamelFolderInfo *fi, int depth)
{
    int i;
    
    while (fi != NULL) {
        for (i = 0; i < depth; i++)
            fputs ("  ", stdout);
        
        printf ("path='%s'; full_name='%s'\n", fi->path, fi->full_name);
        
        if (fi->child)
            dump_fi (fi->child, depth + 1);
        
        fi = fi->sibling;
    }
}
#endif

struct _EMFolderTreeGetFolderInfo {
    struct _mail_msg msg;
    
    /* input data */
    GtkTreeRowReference *root;
    EMFolderTree *emft;
    CamelStore *store;
    guint32 flags;
    char *top;
    
    /* output data */
    CamelFolderInfo *fi;
    
    /* uri to select if any after the op is done */
    char *select_uri;
};

static void
emft_get_folder_info__get (struct _mail_msg *mm)
{
    struct _EMFolderTreeGetFolderInfo *m = (struct _EMFolderTreeGetFolderInfo *) mm;
    guint32 flags = m->flags;
    
    if (camel_store_supports_subscriptions (m->store))
        flags |= CAMEL_STORE_FOLDER_INFO_SUBSCRIBED;
    
    m->fi = camel_store_get_folder_info (m->store, m->top, flags, &mm->ex);
}

static void
emft_get_folder_info__got (struct _mail_msg *mm)
{
    struct _EMFolderTreeGetFolderInfo *m = (struct _EMFolderTreeGetFolderInfo *) mm;
    struct _EMFolderTreePrivate *priv = m->emft->priv;
    struct _EMFolderTreeModelStoreInfo *si;
    GtkTreeIter root, iter;
    CamelFolderInfo *fi;
    GtkTreeStore *model;
    GtkTreePath *path;
    gboolean load;
    
    /* check that we haven't been destroyed */
    if (priv->treeview == NULL)
        return;
    
    /* check that our parent folder hasn't been deleted/unsubscribed */
    if (!gtk_tree_row_reference_valid (m->root))
        return;
    
    if (!(si = g_hash_table_lookup (priv->model->store_hash, m->store))) {
        /* store has been removed in the interim - do nothing */
        return;
    }
    
    model = (GtkTreeStore *) gtk_tree_view_get_model (priv->treeview);
    
    path = gtk_tree_row_reference_get_path (m->root);
    gtk_tree_model_get_iter ((GtkTreeModel *) model, &root, path);
    gtk_tree_path_free (path);
    
    /* make sure we still need to load the tree subfolders... */
    gtk_tree_model_get ((GtkTreeModel *) model, &root,
                COL_BOOL_LOAD_SUBDIRS, &load,
                -1);
    if (!load) {
        if (priv->do_multiselect && m->select_uri)
            priv->lost_folders = g_list_append (priv->lost_folders, g_strdup (m->select_uri));
        return;
    }
    
    /* get the first child (which will be a dummy node) */
    gtk_tree_model_iter_children ((GtkTreeModel *) model, &iter, &root);
    
    /* FIXME: camel's IMAP code is totally on crack here, @top's
     * folder info should be @fi and fi->child should be what we
     * want to fill our tree with... *sigh* */
    if (m->top && m->fi && !strcmp (m->fi->full_name, m->top)) {
        if (!(fi = m->fi->child))
            fi = m->fi->sibling;
    } else
        fi = m->fi;
    
    if (fi == NULL) {
        /* no children afterall... remove the "Loading..." placeholder node */
        gtk_tree_store_remove (model, &iter);
    } else {
        do {
            em_folder_tree_model_set_folder_info (priv->model, &iter, si, fi);
            
            if ((fi = fi->sibling) != NULL)
                gtk_tree_store_append (model, &iter, &root);
        } while (fi != NULL);
    }
    
    gtk_tree_store_set (model, &root, COL_BOOL_LOAD_SUBDIRS, FALSE, -1);
    
    if (m->select_uri)
        em_folder_tree_set_selected (m->emft, m->select_uri);
    
    emft_queue_save_state (m->emft);
}

static void
emft_get_folder_info__free (struct _mail_msg *mm)
{
    struct _EMFolderTreeGetFolderInfo *m = (struct _EMFolderTreeGetFolderInfo *) mm;
    
    camel_store_free_folder_info (m->store, m->fi);
    
    gtk_tree_row_reference_free (m->root);
    camel_object_unref (m->store);
    g_free (m->select_uri);
    g_free (m->top);
}

static struct _mail_msg_op get_folder_info_op = {
    NULL,
    emft_get_folder_info__get,
    emft_get_folder_info__got,
    emft_get_folder_info__free,
};

static void
emft_update_model_expanded_state (struct _EMFolderTreePrivate *priv, GtkTreeIter *iter, gboolean expanded)
{
    struct _EMFolderTreeModelStoreInfo *si;
    CamelStore *store;
    EAccount *account;
    char *path, *key;
    
    gtk_tree_model_get ((GtkTreeModel *) priv->model, iter,
                COL_STRING_FOLDER_PATH, &path,
                COL_POINTER_CAMEL_STORE, &store,
                -1);
    
    si = g_hash_table_lookup (priv->model->store_hash, store);
    if ((account = mail_config_get_account_by_name (si->display_name))) {
            key = g_strdup_printf ("%s:%s", account->uid, path);
    } else {
        key = g_strdup_printf ("%s:%s", si->display_name, path);
    }
    
    em_folder_tree_model_set_expanded (priv->model, key, expanded);
    g_free (key);
}

static void
emft_tree_row_expanded (GtkTreeView *treeview, GtkTreeIter *root, GtkTreePath *tree_path, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    struct _EMFolderTreeGetFolderInfo *m;
    GtkTreeModel *model;
    CamelStore *store;
    const char *top;
    gboolean load;
    char *path;
    
    model = gtk_tree_view_get_model (treeview);
    
    gtk_tree_model_get (model, root,
                COL_STRING_FOLDER_PATH, &path,
                COL_POINTER_CAMEL_STORE, &store,
                COL_BOOL_LOAD_SUBDIRS, &load,
                -1);
    
    emft_update_model_expanded_state (priv, root, TRUE);
    
    if (!load) {
        emft_queue_save_state (emft);
        return;
    }
    
    if (!path || !strcmp (path, "/"))
        top = NULL;
    else
        top = path + 1;
    
    m = mail_msg_new (&get_folder_info_op, NULL, sizeof (struct _EMFolderTreeGetFolderInfo));
    m->root = gtk_tree_row_reference_new (model, tree_path);
    camel_object_ref (store);
    m->store = store;
    m->emft = emft;
    m->top = g_strdup (top);
    m->flags = CAMEL_STORE_FOLDER_INFO_FAST;
    m->select_uri = NULL;
    
    e_thread_put (mail_thread_new, (EMsg *) m);
}

static void
emft_tree_row_collapsed (GtkTreeView *treeview, GtkTreeIter *root, GtkTreePath *tree_path, EMFolderTree *emft)
{
    emft_update_model_expanded_state (emft->priv, root, FALSE);
    emft_queue_save_state (emft);
}

#if 0
static void
emft_popup_view (GtkWidget *item, EMFolderTree *emft)
{

}

static void
emft_popup_open_new (GtkWidget *item, EMFolderTree *emft)
{
}
#endif


struct _EMCopyFolders {
    struct _mail_msg msg;
    
    /* input data */
    CamelStore *fromstore;
    CamelStore *tostore;
    
    char *frombase;
    char *tobase;
    
    int delete;
};

static void
emft_copy_folders__copy (struct _mail_msg *mm)
{
    struct _EMCopyFolders *m = (struct _EMCopyFolders *) mm;
    guint32 flags = CAMEL_STORE_FOLDER_INFO_RECURSIVE;
    GList *pending = NULL, *deleting = NULL, *l;
    GString *fromname, *toname;
    CamelFolderInfo *fi;
    const char *tmp;
    int fromlen;
    
    if (camel_store_supports_subscriptions (m->fromstore))
        flags |= CAMEL_STORE_FOLDER_INFO_SUBSCRIBED;
    
    if (!(fi = camel_store_get_folder_info (m->fromstore, m->frombase, flags, &mm->ex)))
        return;
    
    pending = g_list_append (pending, fi);
    
    toname = g_string_new ("");
    fromname = g_string_new ("");
    
    tmp = strrchr (m->frombase, '/');
    if (tmp == NULL)
        fromlen = 0;
    else
        fromlen = tmp - m->frombase + 1;
    
    d(printf ("top name is '%s'\n", fi->full_name));
    
    while (pending) {
        CamelFolderInfo *info = pending->data;
        
        pending = g_list_remove_link (pending, pending);
        while (info) {
            CamelFolder *fromfolder, *tofolder;
            GPtrArray *uids;
            
            if (info->child)
                pending = g_list_append (pending, info->child);
            
            if (m->tobase[0])
                g_string_printf (toname, "%s/%s", m->tobase, info->full_name + fromlen);
            else
                g_string_printf (toname, "%s", info->full_name + fromlen);
            
            d(printf ("Copying from '%s' to '%s'\n", info->full_name, toname->str));
            
            /* This makes sure we create the same tree, e.g. from a nonselectable source */
            /* Not sure if this is really the 'right thing', e.g. for spool stores, but it makes the ui work */
            if ((info->flags & CAMEL_FOLDER_NOSELECT) == 0) {
                d(printf ("this folder is selectable\n"));
                if (!(fromfolder = camel_store_get_folder (m->fromstore, info->full_name, 0, &mm->ex)))
                    goto exception;
                
                if (!(tofolder = camel_store_get_folder (m->tostore, toname->str, CAMEL_STORE_FOLDER_CREATE, &mm->ex))) {
                    camel_object_unref (fromfolder);
                    goto exception;
                }
                
                if (camel_store_supports_subscriptions (m->tostore)
                    && !camel_store_folder_subscribed (m->tostore, toname->str))
                    camel_store_subscribe_folder (m->tostore, toname->str, NULL);
                
                uids = camel_folder_get_uids (fromfolder);
                camel_folder_transfer_messages_to (fromfolder, uids, tofolder, NULL, m->delete, &mm->ex);
                camel_folder_free_uids (fromfolder, uids);
                
                camel_object_unref (fromfolder);
                camel_object_unref (tofolder);
            }
            
            if (camel_exception_is_set (&mm->ex))
                goto exception;
            else if (m->delete)
                deleting = g_list_prepend (deleting, info);
            
            info = info->sibling;
        }
    }
    
    /* delete the folders in reverse order from how we copyied them, if we are deleting any */
    l = deleting;
    while (l) {
        CamelFolderInfo *info = l->data;
        
        d(printf ("deleting folder '%s'\n", info->full_name));
        
        if (camel_store_supports_subscriptions (m->fromstore))
            camel_store_unsubscribe_folder (m->fromstore, info->full_name, NULL);
        
        camel_store_delete_folder (m->fromstore, info->full_name, NULL);
        l = l->next;
    }
    
 exception:
    
    camel_store_free_folder_info (m->fromstore, fi);
    g_list_free (deleting);
    
    g_string_free (toname, TRUE);
    g_string_free (fromname, TRUE);
}

static void
emft_copy_folders__free (struct _mail_msg *mm)
{
    struct _EMCopyFolders *m = (struct _EMCopyFolders *) mm;
    
    camel_object_unref (m->fromstore);
    camel_object_unref (m->tostore);
    
    g_free (m->frombase);
    g_free (m->tobase);
}

static struct _mail_msg_op copy_folders_op = {
    NULL,
    emft_copy_folders__copy,
    NULL,
    emft_copy_folders__free,
};

static void
emft_copy_folders (CamelStore *tostore, const char *tobase, CamelStore *fromstore, const char *frombase, int delete)
{
    struct _EMCopyFolders *m;
    
    m = mail_msg_new (&copy_folders_op, NULL, sizeof (struct _EMCopyFolders));
    camel_object_ref (fromstore);
    m->fromstore = fromstore;
    camel_object_ref (tostore);
    m->tostore = tostore;
    m->frombase = g_strdup (frombase);
    m->tobase = g_strdup (tobase);
    m->delete = delete;
    
    e_thread_put (mail_thread_new, (EMsg *) m);
}

struct _copy_folder_data {
    EMFolderTree *emft;
    gboolean delete;
};

static void
emft_popup_copy_folder_selected (const char *uri, void *data)
{
    struct _copy_folder_data *cfd = data;
    struct _EMFolderTreePrivate *priv;
    CamelStore *fromstore, *tostore;
    char *tobase, *frombase;
    CamelException ex;
    GtkWidget *dialog;
    CamelURL *url;
    
    if (uri == NULL) {
        g_free (cfd);
        return;
    }
    
    priv = cfd->emft->priv;
    
    d(printf ("copying folder '%s' to '%s'\n", priv->selected_path, uri));
    
    camel_exception_init (&ex);
    if (!(fromstore = camel_session_get_store (session, priv->selected_uri, &ex)))
        goto exception;
    
    frombase = priv->selected_path + 1;
    
    if (!(tostore = camel_session_get_store (session, uri, &ex))) {
        camel_object_unref (fromstore);
        goto exception;
    }
    
    url = camel_url_new (uri, NULL);
    if (url->fragment)
        tobase = url->fragment;
    else if (url->path && url->path[0])
        tobase = url->path + 1;
    else
        tobase = "";
    
    emft_copy_folders (tostore, tobase, fromstore, frombase, cfd->delete);
    
    camel_url_free (url);
    g_free (cfd);
    
    return;
    
 exception:
    
    dialog = gtk_message_dialog_new ((GtkWindow *) cfd->emft, GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
                     GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, _("%s"), ex.desc);
    g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), dialog);
    camel_exception_clear (&ex);
    gtk_widget_show (dialog);
    g_free (cfd);
}

static void
emft_popup_copy (GtkWidget *item, EMFolderTree *emft)
{
    struct _copy_folder_data *cfd;
    
    cfd = g_malloc (sizeof (*cfd));
    cfd->emft = emft;
    cfd->delete = FALSE;
    
    em_select_folder (NULL, _("Select folder"),
              NULL, emft_popup_copy_folder_selected, cfd);
}

static void
emft_popup_move (GtkWidget *item, EMFolderTree *emft)
{
    struct _copy_folder_data *cfd;
    
    cfd = g_malloc (sizeof (*cfd));
    cfd->emft = emft;
    cfd->delete = TRUE;
    
    em_select_folder (NULL, _("Select folder"),
              NULL, emft_popup_copy_folder_selected, cfd);
}


gboolean
em_folder_tree_create_folder (EMFolderTree *emft, const char *path, const char *uri)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    struct _EMFolderTreeModelStoreInfo *si;
    const char *parent, *full_name;
    char *name, *namebuf = NULL;
    GtkWidget *dialog;
    CamelStore *store;
    CamelException ex;
    
    d(printf ("Creating folder: %s (%s)\n", path, uri));
    
    camel_exception_init (&ex);
    if (!(store = (CamelStore *) camel_session_get_service (session, uri, CAMEL_PROVIDER_STORE, &ex)))
        goto exception;
    
    if (!(si = g_hash_table_lookup (priv->model->store_hash, store))) {
        camel_object_unref (store);
        g_assert_not_reached ();
        goto exception;
    }
    
    camel_object_unref (store);
    
    full_name = path[0] == '/' ? path + 1 : path;
    namebuf = g_strdup (full_name);
    if (!(name = strrchr (namebuf, '/'))) {
        name = namebuf;
        parent = "";
    } else {
        *name++ = '\0';
        parent = namebuf;
    }
    
    d(printf ("creating folder parent='%s' name='%s' path='%s'\n", parent, name, path));
    
    camel_store_create_folder (si->store, parent, name, &ex);
    if (camel_exception_is_set (&ex)) {
        goto exception;
    } else if (camel_store_supports_subscriptions (si->store)) {
        camel_store_subscribe_folder (si->store, full_name, &ex);
        if (camel_exception_is_set (&ex))
            goto exception;
    }
    
    g_free (namebuf);
    
    return TRUE;
    
 exception:
    
    dialog = gtk_message_dialog_new ((GtkWindow *) emft, GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
                     GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, _("%s"), ex.desc);
    g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), dialog);
    camel_exception_clear (&ex);
    g_free (namebuf);
    
    gtk_widget_show (dialog);
    
    return FALSE;
}

static void
emft_popup_new_folder_response (EMFolderSelector *emfs, int response, EMFolderTree *emft)
{
    const char *uri, *path;
    
    if (response != GTK_RESPONSE_OK) {
        gtk_widget_destroy ((GtkWidget *) emfs);
        return;
    }
    
    uri = em_folder_selector_get_selected_uri (emfs);
    path = em_folder_selector_get_selected_path (emfs);
    
    if (em_folder_tree_create_folder (emfs->emft, path, uri))
        gtk_widget_destroy ((GtkWidget *) emfs);
}

static void
emft_popup_new_folder (GtkWidget *item, EMFolderTree *emft)
{
    EMFolderTree *folder_tree;
    GtkWidget *dialog;
    
    folder_tree = (EMFolderTree *) em_folder_tree_new_with_model (emft->priv->model);
    
    dialog = em_folder_selector_create_new (folder_tree, 0, _("Create folder"), _("Specify where to create the folder:"));
    em_folder_selector_set_selected ((EMFolderSelector *) dialog, emft->priv->selected_uri);
    g_signal_connect (dialog, "response", G_CALLBACK (emft_popup_new_folder_response), emft);
    gtk_widget_show (dialog);
}

static void
emft_popup_delete_rec (CamelStore *store, CamelFolderInfo *fi, CamelException *ex)
{
    while (fi) {
        CamelFolder *folder;
        
        if (fi->child) {
            emft_popup_delete_rec (store, fi->child, ex);
            if (camel_exception_is_set (ex))
                return;
        }
        
        d(printf ("deleting folder '%s'\n", fi->full_name));
        
        /* shouldn't camel do this itself? */
        if (camel_store_supports_subscriptions (store))
            camel_store_unsubscribe_folder (store, fi->full_name, NULL);
        
        if (!(folder = camel_store_get_folder (store, fi->full_name, 0, ex)))
            return;
        
        if (!CAMEL_IS_VEE_FOLDER (folder)) {
            GPtrArray *uids = camel_folder_get_uids (folder);
            int i;
            
            camel_folder_freeze (folder);
            for (i = 0; i < uids->len; i++)
                camel_folder_delete_message (folder, uids->pdata[i]);
            
            camel_folder_free_uids (folder, uids);
            
            camel_folder_sync (folder, TRUE, NULL);
            camel_folder_thaw (folder);
        }
        
        camel_store_delete_folder (store, fi->full_name, ex);
        if (camel_exception_is_set (ex))
            return;
        
        fi = fi->sibling;
    }
}

static void
emft_popup_delete_folders (CamelStore *store, const char *path, CamelException *ex)
{
    guint32 flags = CAMEL_STORE_FOLDER_INFO_RECURSIVE;
    const char *full_name;
    CamelFolderInfo *fi;
    
    if (camel_store_supports_subscriptions (store))
        flags |= CAMEL_STORE_FOLDER_INFO_SUBSCRIBED;
    
    full_name = path[0] == '/' ? path + 1 : path;
    fi = camel_store_get_folder_info (store, full_name, flags, ex);
    if (camel_exception_is_set (ex))
        return;
    
    emft_popup_delete_rec (store, fi, ex);
    camel_store_free_folder_info (store, fi);
}

static void
selfunc (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
{
    struct _emft_selection_data *dat = (struct _emft_selection_data *) data;
    
    dat->model = model;
    if (!dat->set)
        *(dat->iter) = *iter;
    dat->set = TRUE;
}

static gboolean
emft_selection_get_selected (GtkTreeSelection *selection, GtkTreeModel **model, GtkTreeIter *iter)
{
    struct _emft_selection_data dat = { NULL, iter, FALSE };
    
    if (gtk_tree_selection_get_mode (selection) == GTK_SELECTION_MULTIPLE) {
        gtk_tree_selection_selected_foreach (selection, selfunc, &dat);
        if (model)
            *model = dat.model;
        return dat.set;
    } else {
        return gtk_tree_selection_get_selected (selection, model, iter);
    }
}

static void
emft_popup_delete_response (GtkWidget *dialog, guint response, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    GtkTreeSelection *selection;
    GtkTreeModel *model;
    CamelStore *store;
    CamelException ex;
    GtkTreeIter iter;
    char *path;
    
    gtk_widget_destroy (dialog);
    if (response != GTK_RESPONSE_OK)
        return;
    
    selection = gtk_tree_view_get_selection (priv->treeview);
    emft_selection_get_selected (selection, &model, &iter);
    gtk_tree_model_get (model, &iter, COL_STRING_FOLDER_PATH, &path,
                COL_POINTER_CAMEL_STORE, &store, -1);
    
    camel_exception_init (&ex);
    emft_popup_delete_folders (store, path, &ex);
    if (camel_exception_is_set (&ex)) {
        e_notice (NULL, GTK_MESSAGE_ERROR, _("Could not delete folder: %s"), ex.desc);
        camel_exception_clear (&ex);
    }
}

static void
emft_popup_delete_folder (GtkWidget *item, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    GtkTreeSelection *selection;
    GtkTreeModel *model;
    GtkTreeIter iter;
    GtkWidget *dialog;
    char *title, *path;
    
    selection = gtk_tree_view_get_selection (priv->treeview);
    emft_selection_get_selected (selection, &model, &iter);
    gtk_tree_model_get (model, &iter, COL_STRING_FOLDER_PATH, &path, -1);
    
    dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL,
                     GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
                     _("Really delete folder \"%s\" and all of its subfolders?"),
                     path);
    
    gtk_dialog_add_button ((GtkDialog *) dialog, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL);
    gtk_dialog_add_button ((GtkDialog *) dialog, GTK_STOCK_DELETE, GTK_RESPONSE_OK);
    
    gtk_dialog_set_default_response ((GtkDialog *) dialog, GTK_RESPONSE_OK);
    gtk_container_set_border_width ((GtkContainer *) dialog, 6); 
    gtk_box_set_spacing ((GtkBox *) ((GtkDialog *) dialog)->vbox, 6);
    
    title = g_strdup_printf (_("Delete \"%s\""), path);
    gtk_window_set_title ((GtkWindow *) dialog, title);
    g_free (title);
    
    g_signal_connect (dialog, "response", G_CALLBACK (emft_popup_delete_response), emft);
    gtk_widget_show (dialog);
}

static void
emft_popup_rename_folder (GtkWidget *item, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    char *prompt, *folder_path, *name, *new_name, *uri;
    GtkTreeSelection *selection;
    const char *full_name, *p;
    gboolean done = FALSE;
    GtkTreeModel *model;
    CamelStore *store;
    GtkTreeIter iter;
    size_t base_len;
    
    selection = gtk_tree_view_get_selection (priv->treeview);
    emft_selection_get_selected (selection, &model, &iter);
    gtk_tree_model_get (model, &iter, COL_STRING_FOLDER_PATH, &folder_path,
                COL_STRING_DISPLAY_NAME, &name,
                COL_POINTER_CAMEL_STORE, &store,
                COL_STRING_URI, &uri, -1);
    
    full_name = folder_path[0] == '/' ? folder_path + 1 : folder_path;
    if ((p = strrchr (full_name, '/')))
        base_len = (size_t) (p - full_name);
    else
        base_len = 0;
    
    prompt = g_strdup_printf (_("Rename the \"%s\" folder to:"), name);
    while (!done) {
        new_name = e_request_string (NULL, _("Rename Folder"), prompt, name);
        if (new_name == NULL || !strcmp (name, new_name)) {
            /* old name == new name */
            done = TRUE;
        } else {
            CamelFolderInfo *fi;
            CamelException ex;
            char *path, *p;
            
            if (base_len > 0) {
                path = g_malloc (base_len + strlen (new_name) + 2);
                memcpy (path, full_name, base_len);
                p = path + base_len;
                *p++ = '/';
                strcpy (p, new_name);
            } else {
                path = g_strdup (new_name);
            }
            
            camel_exception_init (&ex);
            if ((fi = camel_store_get_folder_info (store, path, CAMEL_STORE_FOLDER_INFO_FAST, &ex)) != NULL) {
                camel_store_free_folder_info (store, fi);
                
                e_notice (NULL, GTK_MESSAGE_ERROR,
                      _("A folder named \"%s\" already exists. Please use a different name."),
                      new_name);
            } else {
                const char *oldpath, *newpath;
                
                oldpath = full_name;
                newpath = path;
                
                d(printf ("renaming %s to %s\n", oldpath, newpath));
                
                camel_exception_clear (&ex);
                camel_store_rename_folder (store, oldpath, newpath, &ex);
                if (camel_exception_is_set (&ex)) {
                    e_notice (NULL, GTK_MESSAGE_ERROR, _("Could not rename folder: %s"), ex.desc);
                    camel_exception_clear (&ex);
                }
                
                done = TRUE;
            }
            
            g_free (path);
        }
        
        g_free (new_name);
    }
}

struct _prop_data {
    void *object;
    CamelArgV *argv;
    GtkWidget **widgets;
};

static void
emft_popup_properties_response (GtkWidget *dialog, int response, struct _prop_data *prop_data)
{
    CamelArgV *argv = prop_data->argv;
    int i;
    
    if (response != GTK_RESPONSE_OK) {
        gtk_widget_destroy (dialog);
        return;
    }
    
    for (i = 0; i < argv->argc; i++) {
        CamelArg *arg = &argv->argv[i];
        
        switch (arg->tag & CAMEL_ARG_TYPE) {
        case CAMEL_ARG_BOO:
            arg->ca_int = gtk_toggle_button_get_active ((GtkToggleButton *) prop_data->widgets[i]);
            break;
        case CAMEL_ARG_STR:
            g_free (arg->ca_str);
            arg->ca_str = (char *) gtk_entry_get_text ((GtkEntry *) prop_data->widgets[i]);
            break;
        default:
            g_assert_not_reached ();
            break;
        }
    }
    
    camel_object_setv (prop_data->object, NULL, argv);
    gtk_widget_destroy (dialog);
}

static void
emft_popup_properties_free (void *data)
{
    struct _prop_data *prop_data = data;
    int i;
    
    for (i = 0; i < prop_data->argv->argc; i++) {
        if ((prop_data->argv->argv[i].tag & CAMEL_ARG_TYPE) == CAMEL_ARG_STR)
            g_free (prop_data->argv->argv[i].ca_str);
    }
    
    camel_object_unref (prop_data->object);
    g_free (prop_data->argv);
    g_free (prop_data);
}

static void
emft_popup_properties_got_folder (char *uri, CamelFolder *folder, void *data)
{
    GtkWidget *dialog, *w, *table, *label;
    struct _prop_data *prop_data;
    CamelArgGetV *arggetv;
    CamelArgV *argv;
    GSList *list, *l;
    gint32 count, i;
    char *name;
    char countstr[16];
    int row = 0, total=0, unread=0;
    
    if (folder == NULL)
        return;
    
    camel_object_get (folder, NULL, CAMEL_FOLDER_PROPERTIES, &list, CAMEL_FOLDER_NAME, &name,
              CAMEL_FOLDER_TOTAL, &total, CAMEL_FOLDER_UNREAD, &unread, NULL);
    
    dialog = gtk_dialog_new_with_buttons (_("Folder properties"), NULL,
                          GTK_DIALOG_DESTROY_WITH_PARENT,
                          GTK_STOCK_OK, GTK_RESPONSE_OK,
                          NULL);
    
    /* TODO: maybe we want some basic properties here, like message counts/approximate size/etc */
    w = gtk_frame_new (_("Properties"));
    gtk_widget_show (w);
    gtk_box_pack_start ((GtkBox *) ((GtkDialog *) dialog)->vbox, w, TRUE, TRUE, 6);
    
    table = gtk_table_new (g_slist_length (list) + 3, 2, FALSE);
    gtk_widget_show (table);
    gtk_container_add ((GtkContainer *) w, table);

    /* TODO: can this be done in a loop? */
    label = gtk_label_new (_("Folder Name"));
    gtk_widget_show (label);
    gtk_misc_set_alignment ((GtkMisc *) label, 1.0, 0.5);
    gtk_table_attach ((GtkTable *) table, label, 0, 1, row, row+1, GTK_FILL | GTK_EXPAND, 0, 3, 0);
    
    label = gtk_label_new (name);
    gtk_widget_show (label);
    gtk_misc_set_alignment ((GtkMisc *) label, 0.0, 0.5);
    gtk_table_attach ((GtkTable *) table, label, 1, 2, row, row+1, GTK_FILL | GTK_EXPAND, 0, 3, 0);
    row++;

    label = gtk_label_new (_("Total messages"));
    gtk_widget_show (label);
    gtk_misc_set_alignment ((GtkMisc *) label, 1.0, 0.5);
    gtk_table_attach ((GtkTable *) table, label, 0, 1, row, row+1, GTK_FILL | GTK_EXPAND, 0, 3, 0);
    
    sprintf(countstr, "%d", total);
    label = gtk_label_new (countstr);
    gtk_widget_show (label);
    gtk_misc_set_alignment ((GtkMisc *) label, 0.0, 0.5);
    gtk_table_attach ((GtkTable *) table, label, 1, 2, row, row+1, GTK_FILL | GTK_EXPAND, 0, 3, 0);
    row++;

    label = gtk_label_new (_("Unread messages"));
    gtk_widget_show (label);
    gtk_misc_set_alignment ((GtkMisc *) label, 1.0, 0.5);
    gtk_table_attach ((GtkTable *) table, label, 0, 1, row, row+1, GTK_FILL | GTK_EXPAND, 0, 3, 0);
    
    sprintf(countstr, "%d", unread);
    label = gtk_label_new (countstr);
    gtk_widget_show (label);
    gtk_misc_set_alignment ((GtkMisc *) label, 0.0, 0.5);
    gtk_table_attach ((GtkTable *) table, label, 1, 2, row, row+1, GTK_FILL | GTK_EXPAND, 0, 3, 0);
    row++;

    /* build an arggetv/argv to retrieve/store the results */
    count = g_slist_length (list);
    arggetv = g_malloc0 (sizeof (*arggetv) + (count - CAMEL_ARGV_MAX) * sizeof (arggetv->argv[0]));
    arggetv->argc = count;
    argv = g_malloc0 (sizeof (*argv) + (count - CAMEL_ARGV_MAX) * sizeof (argv->argv[0]));
    argv->argc = count;
    
    i = 0;
    l = list;
    while (l) {
        CamelProperty *prop = l->data;
        
        argv->argv[i].tag = prop->tag;
        arggetv->argv[i].tag = prop->tag;
        arggetv->argv[i].ca_ptr = &argv->argv[i].ca_ptr;
        
        l = l->next;
        i++;
    }
    
    camel_object_getv (folder, NULL, arggetv);
    g_free (arggetv);
    
    prop_data = g_malloc0 (sizeof (*prop_data));
    prop_data->widgets = g_malloc0 (sizeof (prop_data->widgets[0]) * count);
    prop_data->argv = argv;
    
    /* setup the ui with the values retrieved */
    l = list;
    i = 0;
    while (l) {
        CamelProperty *prop = l->data;
        
        switch (prop->tag & CAMEL_ARG_TYPE) {
        case CAMEL_ARG_BOO:
            w = gtk_check_button_new_with_label (prop->description);
            gtk_toggle_button_set_active ((GtkToggleButton *) w, argv->argv[i].ca_int != 0);
            gtk_widget_show (w);
            gtk_table_attach ((GtkTable *) table, w, 0, 2, row, row + 1, 0, 0, 3, 3);
            prop_data->widgets[i] = w;
            break;
        case CAMEL_ARG_STR:
            label = gtk_label_new (prop->description);
            gtk_misc_set_alignment ((GtkMisc *) label, 1.0, 0.5);
            gtk_widget_show (label);
            gtk_table_attach ((GtkTable *) table, label, 0, 1, row, row + 1, GTK_FILL | GTK_EXPAND, 0, 3, 3);
            
            w = gtk_entry_new ();
            gtk_widget_show (w);
            if (argv->argv[i].ca_str) {
                gtk_entry_set_text ((GtkEntry *) w, argv->argv[i].ca_str);
                camel_object_free (folder, argv->argv[i].tag, argv->argv[i].ca_str);
                argv->argv[i].ca_str = NULL;
            }
            gtk_table_attach ((GtkTable *) table, w, 1, 2, row, row + 1, GTK_FILL, 0, 3, 3);
            prop_data->widgets[i] = w;
            break;
        default:
            g_assert_not_reached ();
            break;
        }
        
        row++;
        l = l->next;
    }
    
    prop_data->object = folder;
    camel_object_ref (folder);
    
    camel_object_free (folder, CAMEL_FOLDER_PROPERTIES, list);
    camel_object_free (folder, CAMEL_FOLDER_NAME, name);
    
    /* we do 'apply on ok' ... since instant apply may apply some very long running tasks */
    
    g_signal_connect (dialog, "response", G_CALLBACK (emft_popup_properties_response), prop_data);
    g_object_set_data_full ((GObject *) dialog, "e-prop-data", prop_data, emft_popup_properties_free);
    gtk_widget_show (dialog);
}

static void
emft_popup_properties (GtkWidget *item, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    GtkTreeSelection *selection;
    GtkTreeModel *model;
    GtkTreeIter iter;
    char *uri;
    
    selection = gtk_tree_view_get_selection (priv->treeview);
    emft_selection_get_selected (selection, &model, &iter);
    gtk_tree_model_get (model, &iter, COL_STRING_URI, &uri, -1);
    
    mail_get_folder (uri, 0, emft_popup_properties_got_folder, emft, mail_thread_new);
}

static EMPopupItem emft_popup_menu[] = {
#if 0
    { EM_POPUP_ITEM, "00.emc.00", N_("_View"), G_CALLBACK (emft_popup_view), NULL, NULL, EM_POPUP_FOLDER_SELECT },
    { EM_POPUP_ITEM, "00.emc.01", N_("Open in _New Window"), G_CALLBACK (emft_popup_open_new), NULL, NULL, EM_POPUP_FOLDER_SELECT },

    { EM_POPUP_BAR, "10.emc" },
#endif
    { EM_POPUP_ITEM, "10.emc.00", N_("_Copy"), G_CALLBACK (emft_popup_copy), NULL, "folder-copy-16.png", EM_POPUP_FOLDER_FOLDER|EM_POPUP_FOLDER_SELECT },
    { EM_POPUP_ITEM, "10.emc.01", N_("_Move"), G_CALLBACK (emft_popup_move), NULL, "folder-move-16.png", EM_POPUP_FOLDER_FOLDER|EM_POPUP_FOLDER_DELETE },
    
    { EM_POPUP_BAR, "20.emc" },
    /* FIXME: need to disable for nochildren folders */
    { EM_POPUP_ITEM, "20.emc.00", N_("_New Folder..."), G_CALLBACK (emft_popup_new_folder), NULL, "folder-mini.png", EM_POPUP_FOLDER_INFERIORS },
    /* FIXME: need to disable for undeletable folders */
    { EM_POPUP_ITEM, "20.emc.01", N_("_Delete"), G_CALLBACK (emft_popup_delete_folder), NULL, "evolution-trash-mini.png", EM_POPUP_FOLDER_FOLDER|EM_POPUP_FOLDER_DELETE },
    { EM_POPUP_ITEM, "20.emc.01", N_("_Rename"), G_CALLBACK (emft_popup_rename_folder), NULL, NULL, EM_POPUP_FOLDER_FOLDER|EM_POPUP_FOLDER_DELETE },
    
    { EM_POPUP_BAR, "80.emc" },
    { EM_POPUP_ITEM, "80.emc.00", N_("_Properties..."), G_CALLBACK (emft_popup_properties), NULL, "configure_16_folder.xpm", EM_POPUP_FOLDER_FOLDER|EM_POPUP_FOLDER_SELECT },
};

static gboolean
emft_tree_button_press (GtkWidget *treeview, GdkEventButton *event, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    GtkTreeSelection *selection;
    GtkTreeModel *model;
    GtkTreeIter iter;
    GSList *menus = NULL;
    GtkMenu *menu;
    EMPopup *emp;
    EMPopupTarget *target;
    char *uri;
    gboolean isstore;
    int i;
    
    if (event->button != 3)
        return FALSE;
    
    /* handle right-click by opening a context menu */
    emp = em_popup_new ("com.ximian.mail.storageset.popup.select");

    /* FIXME: we really need the folderinfo to build a proper menu */
    selection = gtk_tree_view_get_selection (priv->treeview);
    emft_selection_get_selected (selection, &model, &iter);
    gtk_tree_model_get (model, &iter, COL_STRING_URI, &uri, COL_BOOL_IS_STORE, &isstore, -1);
    target = em_popup_target_new_folder(uri, isstore);
    
    for (i = 0; i < sizeof (emft_popup_menu) / sizeof (emft_popup_menu[0]); i++) {
        EMPopupItem *item = &emft_popup_menu[i];
        
        item->activate_data = emft;
        menus = g_slist_prepend (menus, item);
    }
    
    em_popup_add_items (emp, menus, (GDestroyNotify) g_slist_free);

    menu = em_popup_create_menu_once (emp, target, 0, target->mask);
    
    if (event == NULL || event->type == GDK_KEY_PRESS) {
        /* FIXME: menu pos function */
        gtk_menu_popup (menu, NULL, NULL, NULL, NULL, 0, event->time);
    } else {
        gtk_menu_popup (menu, NULL, NULL, NULL, NULL, event->button, event->time);
    }
    
    return TRUE;
}


static void
emft_tree_selection_changed (GtkTreeSelection *selection, EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    GtkTreeModel *model;
    GtkTreeIter iter;
    char *path, *uri;
    
    if (!emft_selection_get_selected (selection, &model, &iter))
        return;
    
    gtk_tree_model_get (model, &iter, COL_STRING_FOLDER_PATH, &path,
                COL_STRING_URI, &uri, -1);
    
    g_free (priv->selected_uri);
    priv->selected_uri = g_strdup (uri);
    
    g_free (priv->selected_path);
    priv->selected_path = g_strdup (path);
    
    g_signal_emit (emft, signals[FOLDER_SELECTED], 0, path, uri);
}


void
em_folder_tree_set_selected (EMFolderTree *emft, const char *uri)
{
    struct _EMFolderTreeModelStoreInfo *si;
    struct _EMFolderTreeGetFolderInfo *m;
    struct _EMFolderTreePrivate *priv;
    GtkTreeRowReference *row = NULL;
    GtkTreeSelection *selection;
    GtkTreePath *tree_path;
    CamelStore *store;
    CamelException ex;
    const char *top;
    char *path, *p;
    CamelURL *url;
    
    g_return_if_fail (EM_IS_FOLDER_TREE (emft));
    
    priv = emft->priv;
    
    camel_exception_init (&ex);
    if (!(store = (CamelStore *) camel_session_get_service (session, uri, CAMEL_PROVIDER_STORE, &ex))) {
        camel_exception_clear (&ex);
        return;
    }
    
    if (!(si = g_hash_table_lookup (priv->model->store_hash, store))) {
        camel_object_unref (store);
        return;
    }
    
    if (!(url = camel_url_new (uri, NULL))) {
        camel_object_unref (store);
        return;
    }
    
    if (((CamelService *) store)->provider->url_flags & CAMEL_URL_FRAGMENT_IS_PATH)
        path = g_strdup_printf ("/%s", url->fragment ? url->fragment : "");
    else
        path = g_strdup (url->path ? url->path : "/");
    
    top = path[0] == '/' ? path + 1 : path;
    camel_url_free (url);
    
    if (!strcmp (path, "/"))
        row = si->row;
    
    if (row || (row = g_hash_table_lookup (si->path_hash, path))) {
        /* the folder-info node has already been loaded */
        tree_path = gtk_tree_row_reference_get_path (row);
        gtk_tree_view_expand_to_path (priv->treeview, tree_path);
        selection = gtk_tree_view_get_selection (priv->treeview);
        gtk_tree_selection_select_path (selection, tree_path);
        gtk_tree_path_free (tree_path);
        camel_object_unref (store);
        g_free (path);
        return;
    }
    
    /* look for the first of our parent folders that has already been loaded */
    p = path + strlen (path);
    while (p > path) {
        if (*p == '/') {
            *p = '\0';
            
            if ((row = g_hash_table_lookup (si->path_hash, path)))
                break;
        }
        
        p--;
    }
    
    if (row == NULL) {
        /* none of the folders of the desired store have been loaded yet */
        row = si->row;
        top = NULL;
    }

    /* FIXME: this gets all the subfolders of our first loaded
     * parent folder - ideally we'd only get what we needed, but
     * it's probably not worth the effort */
    m = mail_msg_new (&get_folder_info_op, NULL, sizeof (struct _EMFolderTreeGetFolderInfo));
    m->root = gtk_tree_row_reference_copy (row);
    m->store = store;
    m->emft = emft;
    m->top = top ? g_strdup (top) : NULL;
    m->flags = CAMEL_STORE_FOLDER_INFO_FAST | CAMEL_STORE_FOLDER_INFO_RECURSIVE;
    m->select_uri = g_strdup (uri);
    
    g_free (path);
    
    e_thread_put (mail_thread_new, (EMsg *) m);
}


const char *
em_folder_tree_get_selected_uri (EMFolderTree *emft)
{
    g_return_val_if_fail (EM_IS_FOLDER_TREE (emft), NULL);
    
    return emft->priv->selected_uri;
}


const char *
em_folder_tree_get_selected_path (EMFolderTree *emft)
{
    g_return_val_if_fail (EM_IS_FOLDER_TREE (emft), NULL);
    
    return emft->priv->selected_path;
}


EMFolderTreeModel *
em_folder_tree_get_model (EMFolderTree *emft)
{
    g_return_val_if_fail (EM_IS_FOLDER_TREE (emft), NULL);
    
    return emft->priv->model;
}


static gboolean
emft_save_state (EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    
    em_folder_tree_model_save_expanded (priv->model);
    priv->save_state_id = 0;
    
    return FALSE;
}


static void
emft_queue_save_state (EMFolderTree *emft)
{
    struct _EMFolderTreePrivate *priv = emft->priv;
    
    if (priv->save_state_id != 0)
        return;
    
    priv->save_state_id = g_timeout_add (1000, (GSourceFunc) emft_save_state, emft);
}