/*
 *  Copyright © 2007 Xan Lopez
 *
 *  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.
 *
 *  $Id$
 */

#include "config.h"

#include "ephy-command-manager.h"
#include "ephy-debug.h"
#include "ephy-embed-shell.h"
#include "ephy-embed-single.h"
#include "ephy-string.h"
#include "ephy-embed-event.h"

#include <webkitgtkpage.h>
#include <webkitgtkglobal.h>
#include <string.h>

#include "webkit-embed.h"
#include "ephy-embed.h"

static void	webkit_embed_class_init	(WebKitEmbedClass *klass);
static void	webkit_embed_init		(WebKitEmbed *gs);
static void	webkit_embed_destroy		(GtkObject *object);
static void	webkit_embed_finalize		(GObject *object);
static void	ephy_embed_iface_init		(EphyEmbedIface *iface);

#if 0
static void    load_started_cb                 (WebKitGtkPage *page,
                                               WebKitGtkFrame *frame,
                                               WebKitEmbed *wembed);

static void webkit_embed_location_changed_cb	(GtkMozEmbed *embed,
						 WebKitEmbed *membed);
static void webkit_embed_net_state_all_cb	(GtkMozEmbed *embed,
						 const char *aURI,
						 gint state,
						 guint status,
						 WebKitEmbed *membed);
static gboolean webkit_embed_dom_mouse_click_cb(GtkMozEmbed *embed,
                                                gpointer dom_event,
                                                WebKitEmbed *membed);
static gboolean webkit_embed_dom_mouse_down_cb	(GtkMozEmbed *embed,

						 
						 WebKitEmbed *membed);
static gboolean webkit_embed_dom_key_press_cb	(GtkMozEmbed *embed,
						 gpointer dom_event, 
						 WebKitEmbed *membed);
static void webkit_embed_new_window_cb		(GtkMozEmbed *embed, 
						 GtkMozEmbed **newEmbed,
						 guint chrome_mask,
						 WebKitEmbed *membed);
#endif

#define WEBKIT_EMBED_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), WEBKIT_TYPE_EMBED, WebKitEmbedPrivate))

typedef enum
  {
    WEBKIT_EMBED_LOAD_STARTED,
    WEBKIT_EMBED_LOAD_REDIRECTING,
    WEBKIT_EMBED_LOAD_LOADING,
    WEBKIT_EMBED_LOAD_STOPPED
  } WebKitEmbedLoadState;

struct WebKitEmbedPrivate
{
  WebKitGtkPage *page;
  WebKitEmbedLoadState load_state;
};

static void
impl_manager_do_command (EphyCommandManager *manager,
			 const char *command) 
{
}

static gboolean
impl_manager_can_do_command (EphyCommandManager *manager,
			     const char *command) 
{
  return FALSE;
}

static void
ephy_command_manager_iface_init (EphyCommandManagerIface *iface)
{
  iface->do_command = impl_manager_do_command;
  iface->can_do_command = impl_manager_can_do_command;
}

G_DEFINE_TYPE_WITH_CODE (WebKitEmbed, webkit_embed, GTK_TYPE_SCROLLED_WINDOW,
                         G_IMPLEMENT_INTERFACE (EPHY_TYPE_EMBED,
                                                ephy_embed_iface_init)
                         G_IMPLEMENT_INTERFACE (EPHY_TYPE_COMMAND_MANAGER,
                                                ephy_command_manager_iface_init))
                         
static void
webkit_embed_grab_focus (GtkWidget *widget)
{
}

static void
impl_close (EphyEmbed *embed) 
{
}

static void
webkit_embed_class_init (WebKitEmbedClass *klass)
{
  GObjectClass *object_class = G_OBJECT_CLASS (klass);
  GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (klass); 
  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); 

  webkit_embed_parent_class = (GObjectClass *) g_type_class_peek_parent (klass);

  object_class->finalize = webkit_embed_finalize;

  gtk_object_class->destroy = webkit_embed_destroy;

  widget_class->grab_focus = webkit_embed_grab_focus;

  g_type_class_add_private (object_class, sizeof(WebKitEmbedPrivate));
}

static void
webkit_embed_init (WebKitEmbed *embed)
{
  WebKitGtkPage *page;

  embed->priv = WEBKIT_EMBED_GET_PRIVATE (embed);

  gtk_scrolled_window_set_vadjustment (GTK_SCROLLED_WINDOW (embed), NULL);
  gtk_scrolled_window_set_hadjustment (GTK_SCROLLED_WINDOW (embed), NULL);

  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (embed),
                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
  webkit_gtk_init ();
  page = WEBKIT_GTK_PAGE (webkit_gtk_page_new ());
  embed->priv->page = page;
  gtk_container_add (GTK_CONTAINER (embed), GTK_WIDGET (page));
  gtk_widget_show (GTK_WIDGET (page));

#if 0
  g_signal_connect (G_OBJECT (page), "load-started",
		  G_CALLBACK (load_started_cb), embed);
  g_signal_connect (G_OBJECT (page), "title-changed",
                    G_CALLBACK (title_changed_cb), page);
  g_signal_connect (G_OBJECT (page), "load-progress-changed",
                    G_CALLBACK (load_progress_changed), page);
#endif
}

static void
webkit_embed_destroy (GtkObject *object)
{
  GTK_OBJECT_CLASS (webkit_embed_parent_class)->destroy (object);
}

static void
webkit_embed_finalize (GObject *object)
{
  G_OBJECT_CLASS (webkit_embed_parent_class)->finalize (object);
}

#if 0
static void
load_started_cb (WebKitGtkPage *page,
                 WebKitGtkFrame *frame,
                 WebKitEmbed *wembed)
{
  g_debug("load-started, emitting ge_location with www.google.com as location");
  g_signal_emit_by_name (wembed, "ge_location", "www.google.com");
}
#endif

static void
impl_load_url (EphyEmbed *embed,
               const char *url)
{
  WebKitEmbed *wembed = WEBKIT_EMBED (embed);

  g_debug ("a url %s", url);
  
  webkit_gtk_page_open (wembed->priv->page, url);
}

static char * impl_get_location (EphyEmbed *embed, gboolean toplevel);

static void
impl_load (EphyEmbed *embed, 
           const char *url,
	   EphyEmbedLoadFlags flags,
	   EphyEmbed *preview_embed)
{
  WebKitEmbed *wembed = WEBKIT_EMBED (embed);

  g_debug ("url %s", url);
  webkit_gtk_page_open (wembed->priv->page, url);
}

static void
impl_stop_load (EphyEmbed *embed)
{
  webkit_gtk_page_stop_loading (WEBKIT_EMBED (embed)->priv->page);
}

static gboolean
impl_can_go_back (EphyEmbed *embed)
{
  return webkit_gtk_page_can_go_backward (WEBKIT_EMBED (embed)->priv->page);
}

static gboolean
impl_can_go_forward (EphyEmbed *embed)
{
  return webkit_gtk_page_can_go_forward (WEBKIT_EMBED (embed)->priv->page);
}

static gboolean
impl_can_go_up (EphyEmbed *embed)
{
  return FALSE;
}

static GSList *
impl_get_go_up_list (EphyEmbed *embed)
{
  return NULL;
}

static void
impl_go_back (EphyEmbed *embed)
{
  webkit_gtk_page_go_backward (WEBKIT_EMBED (embed)->priv->page);
}
		
static void
impl_go_forward (EphyEmbed *embed)
{
  webkit_gtk_page_go_forward (WEBKIT_EMBED (embed)->priv->page);
}

static void
impl_go_up (EphyEmbed *embed)
{
}

static char *
impl_get_title (EphyEmbed *embed)
{
  return NULL;
}

static char *
impl_get_link_message (EphyEmbed *embed)
{
  return NULL;
}

static char *
impl_get_js_status (EphyEmbed *embed)
{
  return NULL;
}

static char *
impl_get_location (EphyEmbed *embed, 
                   gboolean toplevel)
{
  return NULL;
}

static void
impl_reload (EphyEmbed *embed, 
             gboolean force)
{
}

static void
impl_set_zoom (EphyEmbed *embed, 
               float zoom) 
{
}

static float
impl_get_zoom (EphyEmbed *embed)
{
  return 0.0;
}

static void
impl_scroll_lines (EphyEmbed *embed,
		   int num_lines)
{
}

static void
impl_scroll_pages (EphyEmbed *embed,
		   int num_pages)
{
}

static void
impl_scroll_pixels (EphyEmbed *embed,
		    int dx,
		    int dy)
{
}

static int
impl_shistory_n_items (EphyEmbed *embed)
{
  return 0;
}

static void
impl_shistory_get_nth (EphyEmbed *embed, 
                       int nth,
                       gboolean is_relative,
                       char **aUrl,
                       char **aTitle)
{
  *aUrl = NULL;
  *aTitle = NULL;
}

static int
impl_shistory_get_pos (EphyEmbed *embed)
{
  return 0;
}

static void
impl_shistory_go_nth (EphyEmbed *embed, 
                      int nth)
{
}

static void
impl_shistory_copy (EphyEmbed *source,
		    EphyEmbed *dest,
		    gboolean copy_back,
		    gboolean copy_forward,
		    gboolean copy_current)
{
}

static void
impl_get_security_level (EphyEmbed *embed,
                         EphyEmbedSecurityLevel *level,
                         char **description)
{
  if (level) *level = EPHY_EMBED_STATE_IS_UNKNOWN;
}

static void
impl_show_page_certificate (EphyEmbed *embed)
{
}
	
static void
impl_print (EphyEmbed *embed)
{
}

static void
impl_set_print_preview_mode (EphyEmbed *embed, gboolean preview_mode)
{
}

static int
impl_print_preview_n_pages (EphyEmbed *embed)
{
  return 0;
}

static void
impl_print_preview_navigate (EphyEmbed *embed,
			     EphyEmbedPrintPreviewNavType type,
			     int page)
{
}

static void
impl_set_encoding (EphyEmbed *embed,
		   const char *encoding)
{
}

static char *
impl_get_encoding (EphyEmbed *embed)
{
  return NULL;
}

static gboolean
impl_has_automatic_encoding (EphyEmbed *embed)
{
  return FALSE;
}

static gboolean
impl_has_modified_forms (EphyEmbed *embed)
{
  return FALSE;
}

static void
ephy_embed_iface_init (EphyEmbedIface *iface)
{
  iface->load_url = impl_load_url; 
  iface->load = impl_load; 
  iface->stop_load = impl_stop_load;
  iface->can_go_back = impl_can_go_back;
  iface->can_go_forward = impl_can_go_forward;
  iface->can_go_up = impl_can_go_up;
  iface->get_go_up_list = impl_get_go_up_list;
  iface->go_back = impl_go_back;
  iface->go_forward = impl_go_forward;
  iface->go_up = impl_go_up;
  iface->get_title = impl_get_title;
  iface->get_location = impl_get_location;
  iface->get_link_message = impl_get_link_message;
  iface->get_js_status = impl_get_js_status;
  iface->reload = impl_reload;
  iface->set_zoom = impl_set_zoom;
  iface->get_zoom = impl_get_zoom;
  iface->scroll_lines = impl_scroll_lines;
  iface->scroll_pages = impl_scroll_pages;
  iface->scroll_pixels = impl_scroll_pixels;
  iface->shistory_n_items = impl_shistory_n_items;
  iface->shistory_get_nth = impl_shistory_get_nth;
  iface->shistory_get_pos = impl_shistory_get_pos;
  iface->shistory_go_nth = impl_shistory_go_nth;
  iface->shistory_copy = impl_shistory_copy;
  iface->get_security_level = impl_get_security_level;
  iface->show_page_certificate = impl_show_page_certificate;
  iface->close = impl_close;
  iface->set_encoding = impl_set_encoding;
  iface->get_encoding = impl_get_encoding;
  iface->has_automatic_encoding = impl_has_automatic_encoding;
  iface->print = impl_print;
  iface->set_print_preview_mode = impl_set_print_preview_mode;
  iface->print_preview_n_pages = impl_print_preview_n_pages;
  iface->print_preview_navigate = impl_print_preview_navigate;
  iface->has_modified_forms = impl_has_modified_forms;
}