/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright © 2003, 2004 Marco Pesenti Gritti
* Copyright © 2003, 2004 Christian Persch
* Copyright © 2008 Jan Alonzo
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "ephy-navigation-action.h"
#include "ephy-type-builtins.h"
#include "ephy-window.h"
#include "ephy-favicon-cache.h"
#include "ephy-history.h"
#include "ephy-embed-container.h"
#include "ephy-embed-shell.h"
#include "ephy-embed-utils.h"
#include "ephy-link.h"
#include "ephy-gui.h"
#include "ephy-debug.h"
#include <gtk/gtk.h>
#include <webkit/webkit.h>
#define HISTORY_ITEM_DATA_KEY "HistoryItem"
#define URL_DATA_KEY "GoURL"
#define EPHY_NAVIGATION_ACTION_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_NAVIGATION_ACTION, EphyNavigationActionPrivate))
typedef enum
{
WEBKIT_HISTORY_BACKWARD,
WEBKIT_HISTORY_FORWARD
} WebKitHistoryType;
struct _EphyNavigationActionPrivate
{
EphyWindow *window;
EphyNavigationDirection direction;
char *arrow_tooltip;
guint statusbar_cid;
};
enum
{
PROP_0,
PROP_ARROW_TOOLTIP,
PROP_DIRECTION,
PROP_WINDOW
};
static void ephy_navigation_action_init (EphyNavigationAction *action);
static void ephy_navigation_action_class_init (EphyNavigationActionClass *class);
G_DEFINE_TYPE (EphyNavigationAction, ephy_navigation_action, EPHY_TYPE_LINK_ACTION)
#define MAX_LABEL_LENGTH 48
static GtkWidget *
new_history_menu_item (const char *origtext,
const char *address)
{
EphyFaviconCache *cache;
EphyHistory *history;
GtkWidget *item, *image;
GdkPixbuf *icon = NULL;
GtkLabel *label;
const char *icon_address;
g_return_val_if_fail (address != NULL && origtext != NULL, NULL);
item = gtk_image_menu_item_new_with_label (origtext);
label = GTK_LABEL (GTK_BIN (item)->child);
gtk_label_set_ellipsize (label, PANGO_ELLIPSIZE_END);
gtk_label_set_max_width_chars (label, MAX_LABEL_LENGTH);
history = EPHY_HISTORY
(ephy_embed_shell_get_global_history (embed_shell));
icon_address = ephy_history_get_icon (history, address);
cache = EPHY_FAVICON_CACHE
(ephy_embed_shell_get_favicon_cache (embed_shell));
icon = ephy_favicon_cache_get (cache, icon_address);
if (icon != NULL)
{
image = gtk_image_new_from_pixbuf (icon);
gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (item), image);
gtk_widget_show (image);
g_object_unref (icon);
}
gtk_widget_show (item);
return item;
}
static void
activate_back_or_forward_menu_item_cb (GtkWidget *menuitem,
EphyNavigationAction *action)
{
WebKitWebHistoryItem *item;
EphyEmbed *embed;
embed = ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (action->priv->window));
g_return_if_fail (embed != NULL);
if (ephy_gui_is_middle_click ())
{
embed = ephy_link_open (EPHY_LINK (action), "about:blank", NULL,
EPHY_LINK_NEW_TAB);
g_return_if_fail (embed != NULL);
}
item = (WebKitWebHistoryItem*)g_object_get_data (G_OBJECT (menuitem), HISTORY_ITEM_DATA_KEY);
g_return_if_fail (item != NULL);
webkit_web_view_go_to_back_forward_item (EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (embed), item);
}
static void
select_menu_item_cb (GtkWidget *menuitem,
EphyNavigationAction *action)
{
const char *url;
GtkWidget *statusbar;
WebKitWebHistoryItem *item;
item = (WebKitWebHistoryItem*)g_object_get_data (G_OBJECT (menuitem), HISTORY_ITEM_DATA_KEY);
if (item)
{
url = webkit_web_history_item_get_uri (item);
}
else
{
url = g_object_get_data (G_OBJECT (menuitem), URL_DATA_KEY);
g_return_if_fail (url != NULL);
}
statusbar = ephy_window_get_statusbar (action->priv->window);
gtk_statusbar_push (GTK_STATUSBAR (statusbar), action->priv->statusbar_cid, url);
}
static void
deselect_menu_item_cb (GtkWidget *menuitem,
EphyNavigationAction *action)
{
GtkWidget *statusbar;
statusbar = ephy_window_get_statusbar (action->priv->window);
gtk_statusbar_pop (GTK_STATUSBAR (statusbar), action->priv->statusbar_cid);
}
static void
activate_up_menu_item_cb (GtkWidget *menuitem,
EphyNavigationAction *action)
{
EphyEmbed *embed;
char *url;
embed = ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (action->priv->window));
g_return_if_fail (embed != NULL);
url = g_object_get_data (G_OBJECT (menuitem), URL_DATA_KEY);
g_return_if_fail (url != NULL);
ephy_link_open (EPHY_LINK (action), url, NULL,
ephy_gui_is_middle_click () ? EPHY_LINK_NEW_TAB : 0);
}
static GList*
webkit_construct_history_list (WebKitWebView *web_view, WebKitHistoryType hist_type)
{
WebKitWebBackForwardList *web_back_forward_list;
GList *webkit_items;
web_back_forward_list = webkit_web_view_get_back_forward_list (web_view);
if (hist_type == WEBKIT_HISTORY_FORWARD)
webkit_items = webkit_web_back_forward_list_get_forward_list_with_limit (web_back_forward_list,
EPHY_WEBKIT_BACK_FORWARD_LIMIT);
else
webkit_items = webkit_web_back_forward_list_get_back_list_with_limit (web_back_forward_list,
EPHY_WEBKIT_BACK_FORWARD_LIMIT);
return webkit_items;
}
static GtkWidget *
build_back_or_forward_menu (EphyNavigationAction *action)
{
EphyWindow *window = action->priv->window;
GtkMenuShell *menu;
EphyEmbed *embed;
GList *list, *l;
WebKitWebView *web_view;
embed = ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (window));
g_return_val_if_fail (embed != NULL, NULL);
web_view = EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (embed);
g_return_val_if_fail (web_view != NULL, NULL);
if (action->priv->direction == EPHY_NAVIGATION_DIRECTION_BACK)
list = webkit_construct_history_list (web_view,
WEBKIT_HISTORY_BACKWARD);
else
list = webkit_construct_history_list (web_view,
WEBKIT_HISTORY_FORWARD);
menu = GTK_MENU_SHELL (gtk_menu_new ());
l = list;
for (l = list; l != NULL; l = l->next)
{
GtkWidget *item;
WebKitWebHistoryItem *hitem;
const char *title, *url;
hitem = (WebKitWebHistoryItem*)l->data;
url = webkit_web_history_item_get_uri (hitem);
title = webkit_web_history_item_get_title (hitem);
item = new_history_menu_item (title ? title : url, url);
g_object_set_data_full (G_OBJECT (item), HISTORY_ITEM_DATA_KEY,
g_object_ref (hitem), g_object_unref);
g_signal_connect (item, "activate",
G_CALLBACK (activate_back_or_forward_menu_item_cb),
action);
g_signal_connect (item, "select",
G_CALLBACK (select_menu_item_cb),
action);
g_signal_connect (item, "deselect",
G_CALLBACK (deselect_menu_item_cb),
action);
gtk_menu_shell_append (menu, item);
gtk_widget_show_all (item);
}
g_list_free (list);
return GTK_WIDGET (menu);
}
static GtkWidget *
build_up_menu (EphyNavigationAction *action)
{
EphyWindow *window = action->priv->window;
EphyEmbed *embed;
EphyHistory *history;
GtkMenuShell *menu;
GtkWidget *item;
GSList *list, *l;
char *url;
embed = ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (window));
g_return_val_if_fail (embed != NULL, NULL);
menu = GTK_MENU_SHELL (gtk_menu_new ());
history = EPHY_HISTORY
(ephy_embed_shell_get_global_history (embed_shell));
list = ephy_embed_get_go_up_list (embed);
for (l = list; l != NULL; l = l->next)
{
EphyNode *node;
const char *title = NULL;
url = l->data;
if (url == NULL) continue;
node = ephy_history_get_page (history, url);
if (node != NULL)
{
title = ephy_node_get_property_string (node, EPHY_NODE_PAGE_PROP_TITLE);
}
item = new_history_menu_item (title ? title : url, url);
g_object_set_data_full (G_OBJECT (item), URL_DATA_KEY, url,
(GDestroyNotify) g_free);
g_signal_connect (item, "activate",
G_CALLBACK (activate_up_menu_item_cb), action);
g_signal_connect (item, "select",
G_CALLBACK (select_menu_item_cb), action);
g_signal_connect (item, "deselect",
G_CALLBACK (deselect_menu_item_cb), action);
gtk_menu_shell_append (menu, item);
gtk_widget_show (item);
}
/* the list data has been consumed */
g_slist_free (list);
return GTK_WIDGET (menu);
}
static void
menu_activated_cb (GtkMenuToolButton *button,
EphyNavigationAction *action)
{
GtkWidget *menu = NULL;
LOG ("menu_activated_cb dir %d", action->priv->direction);
switch (action->priv->direction)
{
case EPHY_NAVIGATION_DIRECTION_UP:
menu = build_up_menu (action);
break;
case EPHY_NAVIGATION_DIRECTION_FORWARD:
case EPHY_NAVIGATION_DIRECTION_BACK:
menu = build_back_or_forward_menu (action);
break;
default:
g_assert_not_reached ();
break;
}
gtk_menu_tool_button_set_menu (button, menu);
}
static void
connect_proxy (GtkAction *gaction,
GtkWidget *proxy)
{
LOG ("Connect navigation action proxy");
if (GTK_IS_MENU_TOOL_BUTTON (proxy))
{
EphyNavigationAction *action = EPHY_NAVIGATION_ACTION (gaction);
EphyNavigationActionPrivate *priv = action->priv;
GtkMenuToolButton *button = GTK_MENU_TOOL_BUTTON (proxy);
GtkWidget *menu;
/* set dummy menu so the arrow gets sensitive */
menu = gtk_menu_new ();
gtk_menu_tool_button_set_menu (button, menu);
gtk_menu_tool_button_set_arrow_tooltip_text (button, priv->arrow_tooltip);
g_signal_connect (proxy, "show-menu",
G_CALLBACK (menu_activated_cb), gaction);
}
GTK_ACTION_CLASS (ephy_navigation_action_parent_class)->connect_proxy (gaction, proxy);
}
static void
ephy_navigation_action_activate (GtkAction *gtk_action)
{
EphyNavigationAction *action = EPHY_NAVIGATION_ACTION (gtk_action);
EphyWindow *window = action->priv->window;
EphyEmbed *embed;
WebKitWebView *web_view;
embed = ephy_embed_container_get_active_child (EPHY_EMBED_CONTAINER (window));
g_return_if_fail (embed != NULL);
web_view = EPHY_GET_WEBKIT_WEB_VIEW_FROM_EMBED (embed);
if (action->priv->direction == EPHY_NAVIGATION_DIRECTION_BACK)
{
if (ephy_gui_is_middle_click ())
{
embed = ephy_link_open (EPHY_LINK (action),
"about:blank",
NULL,
EPHY_LINK_NEW_TAB);
}
webkit_web_view_go_back (web_view);
}
else if (action->priv->direction == EPHY_NAVIGATION_DIRECTION_FORWARD)
{
if (ephy_gui_is_middle_click ())
{
embed = ephy_link_open (EPHY_LINK (action),
"about:blank",
NULL,
EPHY_LINK_NEW_TAB);
}
webkit_web_view_go_forward (web_view);
}
else if (action->priv->direction == EPHY_NAVIGATION_DIRECTION_UP)
{
GSList *up_list;
up_list = ephy_embed_get_go_up_list (embed);
ephy_link_open (EPHY_LINK (action),
up_list->data,
NULL,
ephy_gui_is_middle_click () ? EPHY_LINK_NEW_TAB : 0);
g_slist_free (up_list);
}
}
static void
ephy_navigation_action_init (EphyNavigationAction *action)
{
action->priv = EPHY_NAVIGATION_ACTION_GET_PRIVATE (action);
}
static void
ephy_navigation_action_finalize (GObject *object)
{
EphyNavigationAction *action = EPHY_NAVIGATION_ACTION (object);
g_free (action->priv->arrow_tooltip);
G_OBJECT_CLASS (ephy_navigation_action_parent_class)->finalize (object);
}
static void
ephy_navigation_action_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
EphyNavigationAction *nav = EPHY_NAVIGATION_ACTION (object);
switch (prop_id)
{
case PROP_ARROW_TOOLTIP:
nav->priv->arrow_tooltip = g_value_dup_string (value);
g_object_notify (object, "tooltip");
break;
case PROP_DIRECTION:
nav->priv->direction = g_value_get_int (value);
break;
case PROP_WINDOW:
{
GtkWidget *statusbar;
nav->priv->window = EPHY_WINDOW (g_value_get_object (value));
/* statusbar context to display current selected item */
statusbar = ephy_window_get_statusbar (nav->priv->window);
nav->priv->statusbar_cid = gtk_statusbar_get_context_id (
GTK_STATUSBAR (statusbar),
"navigation_message");
}
break;
}
}
static void
ephy_navigation_action_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
EphyNavigationAction *nav = EPHY_NAVIGATION_ACTION (object);
switch (prop_id)
{
case PROP_ARROW_TOOLTIP:
g_value_set_string (value, nav->priv->arrow_tooltip);
break;
case PROP_DIRECTION:
g_value_set_int (value, nav->priv->direction);
break;
case PROP_WINDOW:
g_value_set_object (value, nav->priv->window);
break;
}
}
static void
ephy_navigation_action_class_init (EphyNavigationActionClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
GtkActionClass *action_class = GTK_ACTION_CLASS (class);
object_class->finalize = ephy_navigation_action_finalize;
object_class->set_property = ephy_navigation_action_set_property;
object_class->get_property = ephy_navigation_action_get_property;
action_class->toolbar_item_type = GTK_TYPE_MENU_TOOL_BUTTON;
action_class->connect_proxy = connect_proxy;
action_class->activate = ephy_navigation_action_activate;
g_object_class_install_property (object_class,
PROP_ARROW_TOOLTIP,
g_param_spec_string ("arrow-tooltip", NULL, NULL,
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
g_object_class_install_property (object_class,
PROP_DIRECTION,
g_param_spec_int ("direction", NULL, NULL,
0,
G_MAXINT,
0,
G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
g_object_class_install_property (object_class,
PROP_WINDOW,
g_param_spec_object ("window", NULL, NULL,
G_TYPE_OBJECT,
G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB));
g_type_class_add_private (object_class, sizeof (EphyNavigationActionPrivate));
}