path: root/src/bookmarks/ephy-favorites-menu.c

/*
 *  Copyright (C) 2002  Ricardo Fernández Pascual
 *  Copyright (C) 2003, 2004 Marco Pesenti Gritti
 *  Copyright (C) 2003, 2004 Christian Persch
 *
 *  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, 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.
 *
 *  $Id$
 */

#include "config.h"

#include "ephy-favorites-menu.h"
#include "ephy-bookmark-action.h"
#include "ephy-link.h"
#include "ephy-shell.h"
#include "ephy-debug.h"

#include <gtk/gtkmenuitem.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkuimanager.h>
#include <glib/gprintf.h>

#define LABEL_WIDTH_CHARS   32

#define EPHY_FAVORITES_MENU_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_FAVORITES_MENU, EphyFavoritesMenuPrivate))

struct _EphyFavoritesMenuPrivate
{
    EphyWindow *window;
    EphyBookmarks *bookmarks;
    GtkActionGroup *action_group;
    guint ui_id;
    guint update_tag;
};

static void ephy_favorites_menu_class_init    (EphyFavoritesMenuClass *klass);
static void ephy_favorites_menu_init      (EphyFavoritesMenu *menu);
static void ephy_favorites_menu_finalize      (GObject *o);

enum
{
    PROP_0,
    PROP_WINDOW
};

static gpointer parent_class;

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

    if (G_UNLIKELY (type == 0))
    {
        static const GTypeInfo our_info =
        {
            sizeof (EphyFavoritesMenuClass),
            NULL, /* base_init */
            NULL, /* base_finalize */
            (GClassInitFunc) ephy_favorites_menu_class_init,
            NULL,
            NULL, /* class_data */
            sizeof (EphyFavoritesMenu),
            0, /* n_preallocs */
            (GInstanceInitFunc) ephy_favorites_menu_init
        };
        static const GInterfaceInfo link_info = 
        {
            NULL,
            NULL,
            NULL
        };

        type = g_type_register_static (G_TYPE_OBJECT,
                           "EphyFavoritesMenu",
                           &our_info, 0);
        g_type_add_interface_static (type,
                         EPHY_TYPE_LINK,
                         &link_info);
    }

    return type;
}

static void
ephy_favorites_menu_clean (EphyFavoritesMenu *menu)
{
    EphyFavoritesMenuPrivate *p = menu->priv;
    GtkUIManager *merge = GTK_UI_MANAGER (ephy_window_get_ui_manager (p->window));

    if (p->ui_id > 0)
    {
        gtk_ui_manager_remove_ui (merge, p->ui_id);
        gtk_ui_manager_ensure_update (merge);
        p->ui_id = 0;
    }

    if (p->action_group != NULL)
    {
        gtk_ui_manager_remove_action_group (merge, p->action_group);
        g_object_unref (p->action_group);
    }
}

static void
connect_proxy_cb (GtkActionGroup *action_group,
                  GtkAction *action,
                  GtkWidget *proxy)
{
        if (GTK_IS_MENU_ITEM (proxy))
        {
        GtkLabel *label;

        label = (GtkLabel *) ((GtkBin *) proxy)->child;
        gtk_label_set_ellipsize (label, PANGO_ELLIPSIZE_END);
        gtk_label_set_max_width_chars (label, LABEL_WIDTH_CHARS);
        }
}

static void
ephy_favorites_menu_rebuild (EphyFavoritesMenu *menu)
{
    EphyFavoritesMenuPrivate *p = menu->priv;
    gint i;
    EphyNode *fav;
    GPtrArray *children;
    GtkUIManager *merge = GTK_UI_MANAGER (ephy_window_get_ui_manager (p->window));

    LOG ("Rebuilding favorites menu");

    START_PROFILER ("Rebuild favorites menu")

    ephy_favorites_menu_clean (menu);

    fav = ephy_bookmarks_get_favorites (p->bookmarks);
    children = ephy_node_get_children (fav);

    p->action_group = gtk_action_group_new ("FavoritesActions");
    gtk_ui_manager_insert_action_group (merge, p->action_group, -1);
    g_signal_connect (p->action_group, "connect-proxy",
              G_CALLBACK (connect_proxy_cb), NULL);

    p->ui_id = gtk_ui_manager_new_merge_id (merge);

    for (i = 0; i < children->len; i++)
    {
        char verb[20];
        char name[20];
        char accel_path[48];
        EphyNode *node;
        GtkAction *action;

        g_snprintf (verb, sizeof (verb),"GoFav%d", i);
        g_snprintf (name, sizeof (name), "GoFav%dMenu", i);
        g_snprintf (accel_path, sizeof (accel_path),
                "<Actions>/FavoritesActions/%s", verb);

        node = g_ptr_array_index (children, i);

        action = ephy_bookmark_action_new (verb, node);
        gtk_action_set_accel_path (action, accel_path);
        gtk_action_group_add_action (p->action_group, action);
        g_object_unref (action);
        g_signal_connect_swapped (action, "open-link",
                      G_CALLBACK (ephy_link_open), menu);

        gtk_ui_manager_add_ui (merge, p->ui_id,
                       "/menubar/GoMenu",
                       name, verb,
                       GTK_UI_MANAGER_MENUITEM, FALSE);
    }

    STOP_PROFILER ("Rebuild favorites menu")
}

static void
ephy_favorites_menu_set_property (GObject *object,
                  guint prop_id,
                  const GValue *value,
                  GParamSpec *pspec)
{
    EphyFavoritesMenu *menu = EPHY_FAVORITES_MENU (object);

    switch (prop_id)
    {
        case PROP_WINDOW:
            menu->priv->window = g_value_get_object (value);
            ephy_favorites_menu_rebuild (menu);
            break;
    }
}

static void
ephy_favorites_menu_get_property (GObject *object,
                  guint prop_id,
                  GValue *value,
                  GParamSpec *pspec)
{
    EphyFavoritesMenu *menu = EPHY_FAVORITES_MENU (object);

    switch (prop_id)
    {
        case PROP_WINDOW:
            g_value_set_object (value, menu->priv->window);
            break;
    }
}


static void
ephy_favorites_menu_class_init (EphyFavoritesMenuClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);

    parent_class = g_type_class_peek_parent (klass);

    object_class->finalize = ephy_favorites_menu_finalize;
    object_class->set_property = ephy_favorites_menu_set_property;
    object_class->get_property = ephy_favorites_menu_get_property;

    g_object_class_install_property (object_class,
                     PROP_WINDOW,
                     g_param_spec_object ("window",
                                  "Window",
                                  "Parent window",
                                  EPHY_TYPE_WINDOW,
                                  G_PARAM_READWRITE |
                                  G_PARAM_CONSTRUCT_ONLY));

    g_type_class_add_private (object_class, sizeof(EphyFavoritesMenuPrivate));
}

static gboolean
do_updates (EphyFavoritesMenu *menu)
{
    ephy_favorites_menu_rebuild (menu);

    menu->priv->update_tag = 0;

    /* don't run again */
    return FALSE;
}

static void
fav_removed_cb (EphyNode *node,
        EphyNode *child,
        guint old_index,
        EphyFavoritesMenu *menu)
{
    if (menu->priv->update_tag == 0)
    {
        menu->priv->update_tag = g_idle_add((GSourceFunc)do_updates, menu);
    }
}

static void
fav_added_cb (EphyNode *node,
          EphyNode *child,
          EphyFavoritesMenu *menu)
{
    if (menu->priv->update_tag == 0)
    {
        menu->priv->update_tag = g_idle_add((GSourceFunc)do_updates, menu);
    }
}

static void
ephy_favorites_menu_init (EphyFavoritesMenu *menu)
{
    EphyFavoritesMenuPrivate *p = EPHY_FAVORITES_MENU_GET_PRIVATE (menu);
    EphyNode *fav;
    menu->priv = p;

    menu->priv->bookmarks = ephy_shell_get_bookmarks (ephy_shell);

    fav = ephy_bookmarks_get_favorites (menu->priv->bookmarks);
    ephy_node_signal_connect_object (fav,
                         EPHY_NODE_CHILD_REMOVED,
                         (EphyNodeCallback) fav_removed_cb,
                         G_OBJECT (menu));
    ephy_node_signal_connect_object (fav,
                         EPHY_NODE_CHILD_ADDED,
                         (EphyNodeCallback) fav_added_cb,
                         G_OBJECT (menu));
}

static void
ephy_favorites_menu_finalize (GObject *o)
{
    EphyFavoritesMenu *menu = EPHY_FAVORITES_MENU (o);

    if (menu->priv->action_group != NULL)
    {
        g_object_unref (menu->priv->action_group);
    }

    G_OBJECT_CLASS (parent_class)->finalize (o);
}

EphyFavoritesMenu *
ephy_favorites_menu_new (EphyWindow *window)
{
    return g_object_new (EPHY_TYPE_FAVORITES_MENU,
                 "window", window,
                 NULL);
}