path: root/src/toolbar.c

/*
 *  Copyright (C) 2000 Marco Pesenti Gritti
 *  Copyright (C) 2001, 2002 Jorn Baayen
 *
 *  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.
 *
 *  $Id$
 */

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

#include "toolbar.h"
#include "ephy-file-helpers.h"
#include "ephy-shell.h"
#include "ephy-location-entry.h"
#include "ephy-dnd.h"
#include "ephy-spinner.h"
#include "ephy-spinner-action.h"
#include "ephy-location-action.h"
#include "ephy-favicon-action.h"
#include "ephy-topic-action.h"
#include "ephy-go-action.h"
#include "ephy-navigation-action.h"
#include "ephy-bookmark-action.h"
#include "ephy-zoom-action.h"
#include "window-commands.h"
#include "ephy-string.h"
#include "ephy-debug.h"
#include "ephy-new-bookmark.h"
#include "ephy-stock-icons.h"
#include "ephy-toolbars-model.h"

#include <string.h>
#include <bonobo/bonobo-i18n.h>
#include <gtk/gtkuimanager.h>
#include <gtk/gtktoolbar.h>

static void toolbar_class_init (ToolbarClass *klass);
static void toolbar_init (Toolbar *t);
static void toolbar_finalize (GObject *object);
static void toolbar_set_window (Toolbar *t, EphyWindow *window);
static void
toolbar_set_property (GObject *object,
                      guint prop_id,
                      const GValue *value,
                      GParamSpec *pspec);
static void
toolbar_get_property (GObject *object,
                      guint prop_id,
                      GValue *value,
                      GParamSpec *pspec);

static GtkTargetEntry drag_targets[] = {
  { EGG_TOOLBAR_ITEM_TYPE, 0, 0 },
  { EPHY_DND_TOPIC_TYPE, 0, 1 },
  { EPHY_DND_URL_TYPE, 0, 2 },
};
static int n_drag_targets = G_N_ELEMENTS (drag_targets);

enum
{
    PROP_0,
    PROP_EPHY_WINDOW
};

static GObjectClass *parent_class = NULL;

#define EPHY_TOOLBAR_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_TOOLBAR, ToolbarPrivate))

struct ToolbarPrivate
{
    EphyWindow *window;
    GtkUIManager *ui_merge;
    GtkActionGroup *action_group;
    gboolean visibility;
    gboolean can_set_location;
    GtkWidget *spinner;
    GtkWidget *favicon;
    GtkWidget *go;
};

GType
toolbar_get_type (void)
{
        static GType toolbar_type = 0;

        if (toolbar_type == 0)
        {
                static const GTypeInfo our_info =
                {
                        sizeof (ToolbarClass),
                        NULL, /* base_init */
                        NULL, /* base_finalize */
                        (GClassInitFunc) toolbar_class_init,
                        NULL,
                        NULL, /* class_data */
                        sizeof (Toolbar),
                        0, /* n_preallocs */
                        (GInstanceInitFunc) toolbar_init
                };

                toolbar_type = g_type_register_static (EGG_EDITABLE_TOOLBAR_TYPE,
                               "Toolbar",
                               &our_info, 0);
        }

        return toolbar_type;

}

static void
go_location_cb (GtkAction *action, char *location, EphyWindow *window)
{
    ephy_window_load_url (window, location);
}

static void
zoom_to_level_cb (GtkAction *action, float zoom, EphyWindow *window)
{
    ephy_window_set_zoom (window, zoom);
}

static void
bookmark_destroy_cb (EphyNode *node,
             Toolbar *t)
{
    GtkAction *action;
    char *name;
    EphyToolbarsModel *model;
    long id;

    model = EPHY_TOOLBARS_MODEL
        (ephy_shell_get_toolbars_model (ephy_shell));

    id = ephy_node_get_id (node);
    name = ephy_toolbars_model_get_action_name (model, id);
    action = gtk_action_group_get_action (t->priv->action_group, name);
    if (action)
    {
        gtk_action_group_remove_action (t->priv->action_group, action);
    }

    g_free (name);
}

static void
toolbar_ensure_action (Toolbar *t,
               const char *name)
{
    GtkAction *action = NULL;
    EphyToolbarsModel *model;
    EphyBookmarks *bookmarks;
    EphyNode *bmks, *topics;

    model = EPHY_TOOLBARS_MODEL
        (ephy_shell_get_toolbars_model (ephy_shell));
    bookmarks = ephy_shell_get_bookmarks (ephy_shell);
    bmks = ephy_bookmarks_get_bookmarks (bookmarks);
    topics = ephy_bookmarks_get_keywords (bookmarks);

    LOG ("Ensure action %s", name)

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

        node = ephy_toolbars_model_get_node (model,name);
        g_return_if_fail (node != NULL);

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

        g_return_if_fail (action != NULL);

        g_signal_connect (action, "go_location",
                  G_CALLBACK (go_location_cb), t->priv->window);
        gtk_action_group_add_action (t->priv->action_group, action);
        g_object_unref (action);

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

static void
toolbar_class_init (ToolbarClass *klass)
{
        GObjectClass *object_class = G_OBJECT_CLASS (klass);

        parent_class = g_type_class_peek_parent (klass);

        object_class->finalize = toolbar_finalize;
    object_class->set_property = toolbar_set_property;
    object_class->get_property = toolbar_get_property;

    g_object_class_install_property (object_class,
                                         PROP_EPHY_WINDOW,
                                         g_param_spec_object ("EphyWindow",
                                                              "EphyWindow",
                                                              "Parent window",
                                  EPHY_TYPE_WINDOW,
                                  G_PARAM_READWRITE |
                                  G_PARAM_CONSTRUCT_ONLY));

    g_type_class_add_private (object_class, sizeof(ToolbarPrivate));
}

static void
toolbar_set_property (GObject *object,
                      guint prop_id,
                      const GValue *value,
                      GParamSpec *pspec)
{
        Toolbar *t = EPHY_TOOLBAR (object);

        switch (prop_id)
        {
        case PROP_EPHY_WINDOW:
        toolbar_set_window (t, g_value_get_object (value));
        break;
        }
}

static void
toolbar_get_property (GObject *object,
                      guint prop_id,
                      GValue *value,
                      GParamSpec *pspec)
{
        Toolbar *t = EPHY_TOOLBAR (object);

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

static void
toolbar_setup_actions (Toolbar *t)
{
    GtkAction *action;

    t->priv->action_group = gtk_action_group_new ("SpecialToolbarActions");

    action = g_object_new (EPHY_TYPE_NAVIGATION_ACTION,
                   "name", "NavigationBack",
                   "label", _("Back"),
                   "stock_id", GTK_STOCK_GO_BACK,
                   "tooltip", _("Go back"),
                   "window", t->priv->window,
                   "direction", EPHY_NAVIGATION_DIRECTION_BACK,
                   "is_important", TRUE,
                   NULL);
    g_signal_connect (action, "activate",
              G_CALLBACK (window_cmd_go_back), t->priv->window);
    gtk_action_group_add_action (t->priv->action_group, action);
    g_object_unref (action);

    action = g_object_new (EPHY_TYPE_NAVIGATION_ACTION,
                   "name", "NavigationForward",
                   "label", _("Forward"),
                   "stock_id", GTK_STOCK_GO_FORWARD,
                   "tooltip", _("Go forward"),
                   "window", t->priv->window,
                   "direction", EPHY_NAVIGATION_DIRECTION_FORWARD,
                   NULL);
    g_signal_connect (action, "activate",
              G_CALLBACK (window_cmd_go_forward), t->priv->window);
    gtk_action_group_add_action (t->priv->action_group, action);
    g_object_unref (action);

    action = g_object_new (EPHY_TYPE_NAVIGATION_ACTION,
                   "name", "NavigationUp",
                   "label", _("Up"),
                   "stock_id", GTK_STOCK_GO_UP,
                   "tooltip", _("Go up"),
                   "window", t->priv->window,
                   "direction", EPHY_NAVIGATION_DIRECTION_UP,
                   NULL);
    g_signal_connect (action, "activate",
              G_CALLBACK (window_cmd_go_up), t->priv->window);
    gtk_action_group_add_action (t->priv->action_group, action);
    g_object_unref (action);

    action = g_object_new (EPHY_TYPE_SPINNER_ACTION,
                   "name", "Spinner",
                   "label", _("Spinner"),
                   NULL);
    gtk_action_group_add_action (t->priv->action_group, action);
    g_object_unref (action);

    /* FIXME: I'm still waiting for the exact term to 
     * user here from the docs team.
     */
    action = g_object_new (EPHY_TYPE_LOCATION_ACTION,
                   "name", "Location",
                   "label", _("Address Entry"),
                   "stock_id", EPHY_STOCK_ENTRY,
                   "tooltip", _("Enter a web address to open, or a phrase to search for on the web"),
                   NULL);
    g_signal_connect (action, "go_location",
              G_CALLBACK (go_location_cb), t->priv->window);
    gtk_action_group_add_action (t->priv->action_group, action);
    g_object_unref (action);

    action = g_object_new (EPHY_TYPE_ZOOM_ACTION,
                   "name", "Zoom",
                   "label", _("Zoom"),
                   "tooltip", _("Adjust the text size"),
                   "zoom", 1.0,
                   NULL);
    g_signal_connect (action, "zoom_to_level",
              G_CALLBACK (zoom_to_level_cb), t->priv->window);
    gtk_action_group_add_action (t->priv->action_group, action);
    g_object_unref (action);

    action = g_object_new (EPHY_TYPE_FAVICON_ACTION,
                   "name", "Favicon",
                   "label", _("Favicon"),
                   "window", t->priv->window,
                   NULL);
    gtk_action_group_add_action (t->priv->action_group, action);
    g_object_unref (action);

    action = g_object_new (EPHY_TYPE_GO_ACTION,
                   "name", "ToolbarGo",
                   "label", _("Go"),
                   "stock_id", GTK_STOCK_JUMP_TO,
                   "tooltip", _("Go to the address entered in the address entry"),
                   NULL);
    g_signal_connect (action, "activate",
              G_CALLBACK (window_cmd_load_location), t->priv->window);
    gtk_action_group_add_action (t->priv->action_group, action);
    g_object_unref (action);
}

static void
action_request_cb (EggEditableToolbar *etoolbar,
           char *action_name,
           gpointer data)
{
    toolbar_ensure_action (EPHY_TOOLBAR (etoolbar), action_name);
}

static void
init_bookmarks_toolbar (Toolbar *t)
{
    EphyToolbarsModel *model;
    int i, n_toolbars;

    model = EPHY_TOOLBARS_MODEL
        (ephy_shell_get_toolbars_model (ephy_shell));
    n_toolbars = egg_toolbars_model_n_toolbars
        (EGG_TOOLBARS_MODEL (model));

    for (i = 0; i < n_toolbars; i++)
    {
        const char *t_name;

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

        if (strcmp (t_name, "BookmarksBar") == 0)
        {
            egg_editable_toolbar_set_drag_dest
                (EGG_EDITABLE_TOOLBAR (t),
                 drag_targets, n_drag_targets,
                 t_name);
            egg_toolbars_model_set_flags
                (EGG_TOOLBARS_MODEL (model),
                 EGG_TB_MODEL_NOT_REMOVABLE, i);
        }
    }
}

static void
update_toolbar_remove_flag (EphyToolbarsModel *model, gpointer data)
{
    int i, n_toolbars;
    int not_removable = 0;

    n_toolbars = egg_toolbars_model_n_toolbars
        (EGG_TOOLBARS_MODEL (model));

    /* If there is only one toolbar and the bookmarks bar */
    if (n_toolbars <= 2)
    {
        not_removable = EGG_TB_MODEL_NOT_REMOVABLE;
    }

    for (i = 0; i < n_toolbars; i++)
    {
        const char *t_name;

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

        if (!(strcmp (t_name, "BookmarksBar") == 0))
        {
            egg_toolbars_model_set_flags
                (EGG_TOOLBARS_MODEL (model),
                 not_removable, i);
        }
    }
}

static GtkWidget *
get_location_entry (Toolbar *t)
{
    GtkAction *action;
    GtkWidget *location;

    action = gtk_action_group_get_action
        (t->priv->action_group, "Location");
    location = ephy_location_action_get_widget
        (EPHY_LOCATION_ACTION (action));

    return location;
}

static void
location_user_changed_cb (GtkWidget *entry, Toolbar *t)
{
    EphyTab *tab;
    char *address;

    tab = ephy_window_get_active_tab (t->priv->window);
    g_return_if_fail (EPHY_IS_TAB (tab));

    t->priv->can_set_location = FALSE;
    address = ephy_location_entry_get_location (EPHY_LOCATION_ENTRY (entry));
    ephy_tab_set_location (tab, address, TAB_ADDRESS_EXPIRE_CURRENT);
    g_free (address);
    t->priv->can_set_location = TRUE;
}

static void
toolbar_set_window (Toolbar *t, EphyWindow *window)
{
    EphyToolbarsModel *model;

    g_return_if_fail (t->priv->window == NULL);

    t->priv->window = window;
    t->priv->ui_merge = GTK_UI_MANAGER (window->ui_merge);

    toolbar_setup_actions (t);
    gtk_ui_manager_insert_action_group (t->priv->ui_merge,
                        t->priv->action_group, 1);

    g_signal_connect (t, "action_request",
              G_CALLBACK (action_request_cb),
              NULL);

    model = EPHY_TOOLBARS_MODEL
        (ephy_shell_get_toolbars_model (ephy_shell));
    g_signal_connect (EGG_TOOLBARS_MODEL (model), "toolbar_added",
              G_CALLBACK (update_toolbar_remove_flag),
              NULL);
    g_signal_connect (EGG_TOOLBARS_MODEL (model), "toolbar_removed",
              G_CALLBACK (update_toolbar_remove_flag),
              NULL);
    g_object_set (G_OBJECT (t),
              "ToolbarsModel", model,
              "MenuMerge", t->priv->ui_merge,
              NULL);
    init_bookmarks_toolbar (t);

    g_signal_connect_object (get_location_entry (t), "user_changed",
                     G_CALLBACK (location_user_changed_cb),
                     t, 0);
}

static void
toolbar_init (Toolbar *t)
{
    t->priv = EPHY_TOOLBAR_GET_PRIVATE (t);

    t->priv->window = NULL;
    t->priv->ui_merge = NULL;
    t->priv->visibility = TRUE;
    t->priv->can_set_location = TRUE;
}

static void
toolbar_finalize (GObject *object)
{
    Toolbar *t;
    ToolbarPrivate *p;
    GtkUIManager *merge;

    t = EPHY_TOOLBAR (object);
    p = t->priv;
    merge = GTK_UI_MANAGER (t->priv->window->ui_merge);

    /* FIXME: why not at the end? */
    G_OBJECT_CLASS (parent_class)->finalize (object);

    g_object_unref (t->priv->action_group);
    gtk_ui_manager_remove_action_group (merge, t->priv->action_group);

    LOG ("Toolbar finalized")
}

Toolbar *
toolbar_new (EphyWindow *window)
{
    Toolbar *t;

    t = EPHY_TOOLBAR (g_object_new (EPHY_TYPE_TOOLBAR,
                    "EphyWindow", window,
                    NULL));

    return t;
}

static void
location_finished_cb (GtkWidget *location, GtkWidget *toolbar)
{
    gtk_widget_hide (toolbar);

    g_signal_handlers_disconnect_by_func (G_OBJECT (location),
                                              G_CALLBACK (location_finished_cb),
                                              toolbar);
}

void
toolbar_activate_location (Toolbar *t)
{
    GtkWidget *location;
    GtkWidget *location_tb;

    location = get_location_entry (t);
    g_return_if_fail (location != NULL);

    location_tb = gtk_widget_get_ancestor (location, GTK_TYPE_TOOLBAR);
    g_return_if_fail (location_tb != NULL);

    if (!GTK_WIDGET_VISIBLE (location_tb))
    {
        g_signal_connect (location, "finished",
                  G_CALLBACK (location_finished_cb), location_tb);
        gtk_widget_show (location_tb);
    }

    ephy_location_entry_activate
        (EPHY_LOCATION_ENTRY(location));
}

void
toolbar_spinner_start (Toolbar *t)
{
    GtkActionGroup *action_group;
    GtkAction *action;

    action_group = t->priv->action_group;
    action = gtk_action_group_get_action (action_group, "Spinner");
    g_object_set (action, "throbbing", TRUE, NULL);
}

void
toolbar_spinner_stop (Toolbar *t)
{
    GtkActionGroup *action_group;
    GtkAction *action;

    action_group = t->priv->action_group;
    action = gtk_action_group_get_action (action_group, "Spinner");
    g_object_set (action, "throbbing", FALSE, NULL);
}

void
toolbar_set_location (Toolbar *t,
              const char *alocation)
{
    GtkWidget *location;

    if (t->priv->can_set_location)
    {
        location = get_location_entry (t);
        g_return_if_fail (location != NULL);

        ephy_location_entry_set_location
            (EPHY_LOCATION_ENTRY (location),
             alocation ? alocation : "");
    }
}

void
toolbar_update_favicon (Toolbar *t)
{
    EphyTab *tab;
    const char *url;
    GtkActionGroup *action_group;
    GtkAction *action;

    tab = ephy_window_get_active_tab (t->priv->window);
    url = ephy_tab_get_icon_address (tab);
    action_group = t->priv->action_group;
    action = gtk_action_group_get_action (action_group, "Favicon");
    g_object_set (action, "icon", url, NULL);
}

char *
toolbar_get_location (Toolbar *t)
{
    GtkWidget *location;

    location = get_location_entry (t);
    g_return_val_if_fail (location != NULL, NULL);

    return ephy_location_entry_get_location
        (EPHY_LOCATION_ENTRY (location));
}

void
toolbar_clear_location_history (Toolbar *t)
{
    GtkWidget *location;

    location = get_location_entry (t),
    g_return_if_fail (location != NULL);

    ephy_location_entry_clear_history (EPHY_LOCATION_ENTRY (location));
}

void
toolbar_update_navigation_actions (Toolbar *t, gboolean back, gboolean forward, gboolean up)
{
    GtkActionGroup *action_group;
    GtkAction *action;

    action_group = t->priv->action_group;
    action = gtk_action_group_get_action (action_group, "NavigationBack");
    g_object_set (action, "sensitive", back, NULL);
    action = gtk_action_group_get_action (action_group, "NavigationForward");
    g_object_set (action, "sensitive", forward, NULL);
    action = gtk_action_group_get_action (action_group, "NavigationUp");
    g_object_set (action, "sensitive", up, NULL);
}

void
toolbar_set_visibility (Toolbar *t,
            gboolean normal_toolbars,
            gboolean bmk_toolbars)
{
    EphyToolbarsModel *model;
    int i, n_toolbars;

    model = EPHY_TOOLBARS_MODEL
        (ephy_shell_get_toolbars_model (ephy_shell));
    n_toolbars = egg_toolbars_model_n_toolbars
        (EGG_TOOLBARS_MODEL (model));

    for (i = 0; i < n_toolbars; i++)
    {
        const char *t_name;

        t_name = egg_toolbars_model_toolbar_nth
            (EGG_TOOLBARS_MODEL (model), i);
        g_return_if_fail (t_name != NULL);
        if (strcmp (t_name, "BookmarksBar") == 0)
        {
            if (bmk_toolbars)
            {
                egg_editable_toolbar_show
                    (EGG_EDITABLE_TOOLBAR (t), t_name);
            }
            else
            {
                egg_editable_toolbar_hide
                    (EGG_EDITABLE_TOOLBAR (t), t_name);
            }
        }
        else
        {
            if (normal_toolbars)
            {
                egg_editable_toolbar_show
                    (EGG_EDITABLE_TOOLBAR (t), t_name);
            }
            else
            {
                egg_editable_toolbar_hide
                    (EGG_EDITABLE_TOOLBAR (t), t_name);
            }
        }
    }
}

void
toolbar_update_zoom (Toolbar *t, float zoom)
{
    GtkActionGroup *action_group;
    GtkAction *action;

    action_group = t->priv->action_group;
    action = gtk_action_group_get_action (action_group, "Zoom");
    g_object_set (action, "zoom", zoom, NULL);
}