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path: root/src/bookmarks/ephy-bookmarksbar.c
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/*
 *  Copyright (C) 2001, 2002 Jorn Baayen
 *  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-bookmarksbar.h"
#include "ephy-bookmarksbar-model.h"
#include "ephy-bookmarks.h"
#include "ephy-shell.h"
#include "ephy-topic-action.h"
#include "ephy-link.h"
#include "ephy-bookmark-action.h"
#include "ephy-new-bookmark.h"
#include "ephy-stock-icons.h"
#include "ephy-dnd.h"
#include "ephy-debug.h"

#include <gtk/gtkuimanager.h>
#include <gtk/gtktoolbar.h>
#include <glib/gi18n.h>
#include <string.h>

static GtkTargetEntry drag_targets[] =
{
    { EPHY_DND_TOPIC_TYPE,      0,  0 },
    { EPHY_DND_URL_TYPE,        0,  1 }
};
static int n_drag_targets = G_N_ELEMENTS (drag_targets);

enum
{
    PROP_0,
    PROP_BOOKMARKS,
    PROP_WINDOW
};

static GObjectClass *parent_class = NULL;

#define EPHY_BOOKMARKSBAR_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_BOOKMARKSBAR, EphyBookmarksBarPrivate))

struct _EphyBookmarksBarPrivate
{
    EphyWindow *window;
    GtkActionGroup *action_group;
    EphyBookmarks *bookmarks;
    EggToolbarsModel *toolbars_model;
};

static void ephy_bookmarksbar_class_init    (EphyBookmarksBarClass *klass);
static void ephy_bookmarksbar_init      (EphyBookmarksBar *toolbar);

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

    if (G_UNLIKELY (type == 0))
    {
        static const GTypeInfo our_info =
        {
            sizeof (EphyBookmarksBarClass),
            NULL, /* base_init */
            NULL, /* base_finalize */
            (GClassInitFunc) ephy_bookmarksbar_class_init,
            NULL,
            NULL, /* class_data */
            sizeof (EphyBookmarksBar),
            0, /* n_preallocs */
            (GInstanceInitFunc) ephy_bookmarksbar_init
        };

        static const GInterfaceInfo link_info = 
        {
            NULL,
            NULL,
            NULL
        };

        type = g_type_register_static (EGG_TYPE_EDITABLE_TOOLBAR,
                           "EphyBookmarksBar",
                           &our_info, 0);
        g_type_add_interface_static (type,
                         EPHY_TYPE_LINK,
                         &link_info);
    }

    return type;
}

static gboolean
remove_action_from_model (EggToolbarsModel *model, const char *name)
{
    int n_toolbars, n_items, t, i;

    n_toolbars = egg_toolbars_model_n_toolbars (model);

    for (t = 0; t < n_toolbars; t++)
    {
        n_items = egg_toolbars_model_n_items (model, t);

        for (i = 0; i < n_items; i++)
        {
            const char *i_name;
            gboolean is_separator;

            egg_toolbars_model_item_nth (model, t , i, &is_separator,
                             &i_name, NULL);
            g_return_val_if_fail (i_name != NULL, FALSE);

            if (strcmp (i_name, name) == 0)
            {
                egg_toolbars_model_remove_item (model, t, i);
                
                if (!remove_action_from_model (model, name))
                {
                    return FALSE;
                }
            }
        }
    }

    return FALSE;
}

static void
bookmark_destroy_cb (EphyNode *node,
             EphyBookmarksBar *toolbar)
{
    EggToolbarsModel *model;
    GtkAction *action;
    char *name;
    long id;
    

    model = toolbar->priv->toolbars_model;
    id = ephy_node_get_id (node);
    name = ephy_bookmarksbar_model_get_action_name
                (EPHY_BOOKMARKSBAR_MODEL (model), id);
    remove_action_from_model (model, name);

    model = EGG_TOOLBARS_MODEL (ephy_shell_get_toolbars_model
                        (ephy_shell, FALSE));
    remove_action_from_model (model, name);

    action = gtk_action_group_get_action (toolbar->priv->action_group, name);
    if (action)
    {
        gtk_action_group_remove_action (toolbar->priv->action_group, action);
    }

    g_free (name);
}

static void
ephy_bookmarksbar_action_request (EggEditableToolbar *eggtoolbar,
                  const char *name)
{
    EphyBookmarksBar *toolbar = EPHY_BOOKMARKSBAR (eggtoolbar);
    GtkAction *action = NULL;
    EphyNode *bmks, *topics;

    bmks = ephy_bookmarks_get_bookmarks (toolbar->priv->bookmarks);
    topics = ephy_bookmarks_get_keywords (toolbar->priv->bookmarks);

    LOG ("Action request for action '%s'", name)

    if (g_str_has_prefix (name, "GoBookmark-"))
    {
        EphyNode *node;

        node = ephy_bookmarksbar_model_get_node
            (EPHY_BOOKMARKSBAR_MODEL (toolbar->priv->toolbars_model),
             name);
        g_return_if_fail (node != NULL);

        if (ephy_node_has_child (topics, node))
        {
            action = ephy_topic_action_new (name, node);
        }
        else if (ephy_node_has_child (bmks, node))
        {
            action = ephy_bookmark_action_new (name, node);
        }

        g_return_if_fail (action != NULL);

        g_signal_connect_swapped (action, "open-link",
                      G_CALLBACK (ephy_link_open), toolbar);

        gtk_action_group_add_action (toolbar->priv->action_group, action);
        g_object_unref (action);

        ephy_node_signal_connect_object (node,
                         EPHY_NODE_DESTROY,
                         (EphyNodeCallback) bookmark_destroy_cb,
                         G_OBJECT (toolbar));
    }

    if (EGG_EDITABLE_TOOLBAR_CLASS (parent_class)->action_request)
    {
        EGG_EDITABLE_TOOLBAR_CLASS (parent_class)->action_request (eggtoolbar, name);
    }
}

static void
toolbar_added_cb (EggToolbarsModel *model,
          int position,
          EggEditableToolbar *toolbar)
{
    const char *t_name;

    t_name = egg_toolbars_model_toolbar_nth (model, position);
    g_return_if_fail (t_name != NULL);

    egg_editable_toolbar_set_drag_dest
        (toolbar, drag_targets, n_drag_targets, t_name);
}

static void
ephy_bookmarksbar_set_window (EphyBookmarksBar *toolbar,
                  EphyWindow *window)
{
    EggEditableToolbar *eggtoolbar = EGG_EDITABLE_TOOLBAR (toolbar);
    EggToolbarsModel *model = toolbar->priv->toolbars_model;
    GtkUIManager *manager = GTK_UI_MANAGER (ephy_window_get_ui_manager (window));
    int i, n_toolbars;

    g_return_if_fail (toolbar->priv->window == NULL);
    g_return_if_fail (model != NULL);

    toolbar->priv->window = window;

    toolbar->priv->action_group =
        gtk_action_group_new ("BookmarksToolbarActions");

    gtk_ui_manager_insert_action_group (manager,
                        toolbar->priv->action_group, -1);

    g_object_set (G_OBJECT (toolbar),
              "ui-manager", manager,
              "model", model,
              NULL);

    g_signal_connect_after (model, "toolbar_added",
                G_CALLBACK (toolbar_added_cb), toolbar);

    /* now that the toolbar has been constructed, set drag dests */
    n_toolbars = egg_toolbars_model_n_toolbars (model);
    for (i = 0; i < n_toolbars; i++)
    {
        const char *t_name;

        t_name = egg_toolbars_model_toolbar_nth (model, i);
        g_return_if_fail (t_name != NULL);

        egg_editable_toolbar_set_drag_dest
            (eggtoolbar, drag_targets, n_drag_targets, t_name);
    }   
}

static void
ephy_bookmarksbar_init (EphyBookmarksBar *toolbar)
{
    toolbar->priv = EPHY_BOOKMARKSBAR_GET_PRIVATE (toolbar);
}

static void
ephy_bookmarksbar_finalize (GObject *object)
{
    EphyBookmarksBar *toolbar = EPHY_BOOKMARKSBAR (object);

    g_object_unref (toolbar->priv->action_group);

    g_signal_handlers_disconnect_by_func
        (toolbar->priv->toolbars_model,
         G_CALLBACK (toolbar_added_cb),
         toolbar);

    LOG ("EphyBookmarksBar %p finalised", object)

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

static void
ephy_bookmarksbar_set_property (GObject *object,
                     guint prop_id,
                     const GValue *value,
                     GParamSpec *pspec)
{
    EphyBookmarksBar *toolbar = EPHY_BOOKMARKSBAR (object);

    switch (prop_id)
    {
        case PROP_BOOKMARKS:
            toolbar->priv->bookmarks = g_value_get_object (value);
            toolbar->priv->toolbars_model =
                EGG_TOOLBARS_MODEL (ephy_bookmarks_get_toolbars_model (toolbar->priv->bookmarks));
            break;
        case PROP_WINDOW:
            ephy_bookmarksbar_set_window (toolbar, g_value_get_object (value));
            break;
    }
}

static void
ephy_bookmarksbar_get_property (GObject *object,
                     guint prop_id,
                     GValue *value,
                     GParamSpec *pspec)
{
    /* no readable properties */
    g_assert_not_reached ();
}

static void
ephy_bookmarksbar_class_init (EphyBookmarksBarClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);
    EggEditableToolbarClass *eet_class = EGG_EDITABLE_TOOLBAR_CLASS (klass);

    parent_class = g_type_class_peek_parent (klass);

    object_class->finalize = ephy_bookmarksbar_finalize;
    object_class->set_property = ephy_bookmarksbar_set_property;
    object_class->get_property = ephy_bookmarksbar_get_property;

    eet_class->action_request = ephy_bookmarksbar_action_request;

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

    g_object_class_install_property (object_class,
                     PROP_BOOKMARKS,
                     g_param_spec_object ("bookmarks",
                                  "Bookmarks",
                                  "Bookmarks Model",
                                  EPHY_TYPE_BOOKMARKS,
                                  G_PARAM_WRITABLE |
                                  G_PARAM_CONSTRUCT_ONLY));

    g_type_class_add_private (object_class, sizeof(EphyBookmarksBarPrivate));
}

GtkWidget *
ephy_bookmarksbar_new (EphyWindow *window)
{
    EphyBookmarks *bookmarks;

    bookmarks = ephy_shell_get_bookmarks (ephy_shell);

    return GTK_WIDGET (g_object_new (EPHY_TYPE_BOOKMARKSBAR,
                     "bookmarks", bookmarks,
                     "window", window,
                     NULL));
}