path: root/shell/e-shortcuts-view.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-shortcuts-view.c
 *
 * Copyright (C) 2000  Helix Code, Inc.
 *
 * 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 Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Author: Ettore Perazzoli
 */

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

#include <gnome.h>

#include "e-util/e-util.h"

#include "e-shortcuts-view.h"


#define PARENT_TYPE E_TYPE_SHORTCUT_BAR
static EShortcutBarClass *parent_class = NULL;

struct _EShortcutsViewPrivate {
    EShortcuts *shortcuts;
};

enum {
    ACTIVATE_SHORTCUT,
    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL] = { 0 };


/* View initialization.  */

static const char *
get_storage_set_path_from_uri (const char *uri)
{
    const char *colon;

    if (g_path_is_absolute (uri))
        return NULL;

    colon = strchr (uri, ':');
    if (colon == NULL || colon == uri || colon[1] == '\0')
        return NULL;

    if (! g_path_is_absolute (colon + 1))
        return NULL;

    if (g_strncasecmp (uri, "evolution", colon - uri) != 0)
        return NULL;

    return colon + 1;
}

static void
load_group (EShortcutsView *shortcuts_view,
        const char *group_title,
        int group_num)
{
    EShortcutsViewPrivate *priv;
    EShortcuts *shortcuts;
    EStorageSet *storage_set;
    GList *shortcut_list;
    GList *p;

    priv = shortcuts_view->priv;
    shortcuts = priv->shortcuts;

    storage_set = e_shortcuts_get_storage_set (shortcuts);
    g_assert (storage_set != NULL);

    shortcut_list = e_shortcuts_get_shortcuts_in_group (shortcuts, group_title);
    if (shortcut_list == NULL)
        return;

    for (p = shortcut_list; p != NULL; p = p->next) {
        EFolder *folder;
        const char *path;
        const char *uri;
        const char *name;

        uri = (const char *) p->data;
        path = get_storage_set_path_from_uri (uri);
        if (path != NULL)
            folder = e_storage_set_get_folder (storage_set, path);

        if (path == NULL || folder == NULL) {
            /* FIXME */
            g_warning ("Invalid link while loading shortcut bar view -- %s\n",
                   uri);
            continue;
        }

        name = e_folder_get_name (folder);
        e_shortcut_bar_add_item (E_SHORTCUT_BAR (shortcuts_view), group_num, uri, name);
    }

    e_free_string_list (shortcut_list);
}

static void
load_all_shortcuts (EShortcutsView *shortcuts_view)
{
    EShortcutsViewPrivate *priv;
    EShortcuts *shortcuts;
    GList *group_titles;
    GList *p;
    int group_num;

    priv = shortcuts_view->priv;
    shortcuts = priv->shortcuts;

    group_titles = e_shortcuts_get_group_titles (shortcuts);

    for (p = group_titles; p != NULL; p = p->next) {
        const char *group_title;

        group_title = (const char *) p->data;
        group_num = e_shortcut_bar_add_group (E_SHORTCUT_BAR (shortcuts_view),
                              group_title);

        load_group (shortcuts_view, group_title, group_num);
    }

    e_free_string_list (group_titles);
}

/* Icon callback for the shortcut bar.  */
static GdkPixbuf *
icon_callback (EShortcutBar *shortcut_bar,
           const char *uri,
           gpointer data)
{
    EFolderTypeRegistry *folder_type_registry;
    EShortcuts *shortcuts;
    EStorageSet *storage_set;
    EFolder *folder;
    GdkPixbuf *pixbuf;
    const char *type;

    shortcuts = E_SHORTCUTS (data);

    storage_set = e_shortcuts_get_storage_set (shortcuts);
    folder_type_registry = e_storage_set_get_folder_type_registry (storage_set);

    folder = e_storage_set_get_folder (storage_set,
                       get_storage_set_path_from_uri (uri));

    if (folder == NULL)
        return NULL;

    type = e_folder_get_type_string (folder);
    if (type == NULL)
        return NULL;

    /* FIXME mini icons?  */
    pixbuf = e_folder_type_registry_get_icon_for_type (folder_type_registry, type, FALSE);
    if (pixbuf != NULL)
        gdk_pixbuf_ref (pixbuf);

    return pixbuf;
}


static void
destroy (GtkObject *object)
{
    EShortcutsViewPrivate *priv;
    EShortcutsView *shortcuts_view;

    shortcuts_view = E_SHORTCUTS_VIEW (object);

    priv = shortcuts_view->priv;
    g_free (priv);

    (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}


static void
selected_item (EShortcutBar *shortcut_bar,
           GdkEvent *event,
           int group_num,
           int item_num)
{
    EShortcuts *shortcuts;
    const char *uri;

    shortcuts = E_SHORTCUTS_VIEW (shortcut_bar)->priv->shortcuts;

    uri = e_shortcuts_get_uri (shortcuts, group_num, item_num);

    /* Lame EShortcutBar.  This can happen.  */
    if (uri == NULL)
        return;

    gtk_signal_emit (GTK_OBJECT (shortcut_bar), signals[ACTIVATE_SHORTCUT],
             shortcuts, uri);
}


static void
class_init (EShortcutsViewClass *klass)
{
    GtkObjectClass *object_class;
    EShortcutBarClass *shortcut_bar_class;

    object_class = GTK_OBJECT_CLASS (klass);
    object_class->destroy = destroy;

    shortcut_bar_class = E_SHORTCUT_BAR_CLASS (klass);
    shortcut_bar_class->selected_item = selected_item;

    parent_class = gtk_type_class (e_shortcut_bar_get_type ());

    signals[ACTIVATE_SHORTCUT] =
        gtk_signal_new ("activate_shortcut",
                GTK_RUN_LAST | GTK_RUN_ACTION,
                object_class->type,
                GTK_SIGNAL_OFFSET (EShortcutsViewClass, activate_shortcut),
                gtk_marshal_NONE__POINTER_POINTER,
                GTK_TYPE_NONE, 2,
                GTK_TYPE_POINTER,
                GTK_TYPE_STRING);

    gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
}

static void
init (EShortcutsView *shortcuts_view)
{
    EShortcutsViewPrivate *priv;

    priv = g_new (EShortcutsViewPrivate, 1);
    priv->shortcuts = NULL;

    shortcuts_view->priv = priv;
}


void
e_shortcuts_view_construct (EShortcutsView *shortcuts_view,
                EShortcuts *shortcuts)
{
    EShortcutsViewPrivate *priv;

    g_return_if_fail (shortcuts != NULL);
    g_return_if_fail (E_IS_SHORTCUTS (shortcuts));

    priv = shortcuts_view->priv;

    gtk_object_ref (GTK_OBJECT (shortcuts));
    priv->shortcuts = shortcuts;

    e_shortcut_bar_set_icon_callback (E_SHORTCUT_BAR (shortcuts_view), icon_callback,
                      shortcuts);

    load_all_shortcuts (shortcuts_view);
}

GtkWidget *
e_shortcuts_view_new (EShortcuts *shortcuts)
{
    GtkWidget *new;

    g_return_val_if_fail (shortcuts != NULL, NULL);
    g_return_val_if_fail (E_IS_SHORTCUTS (shortcuts), NULL);

    new = gtk_type_new (e_shortcuts_view_get_type ());
    e_shortcuts_view_construct (E_SHORTCUTS_VIEW (new), shortcuts);

    return new;
}


E_MAKE_TYPE (e_shortcuts_view, "EShortcutsView", EShortcutsView, class_init, init, PARENT_TYPE)