pidgin/plugins/adiumthemes/webkit.c

/* pidgin
 *
 * Pidgin is the legal property of its developers, whose names are too numerous
 * to list here.  Please refer to the COPYRIGHT file distributed with this
 * source distribution.
 *
 * 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 of the License, 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  02111-1301  USA
 *
 */

#define PLUGIN_ID		"gtk-webview-adium-ims"
#define PLUGIN_NAME		"webview-adium-ims"

/*
 * A lot of this was originally written by Sean Egan, but I think I've
 * rewrote enough to replace the author for now.
 */
#define PLUGIN_AUTHOR		"Arnold Noronha <arnstein87@gmail.com>"
#define PURPLE_PLUGINS		"Hell yeah"

/* System headers */
#include <string.h>
#include <gdk/gdk.h>
#include <gtk/gtk.h>

#include <webkit/webkit.h>

/* Purple headers */
#include <conversation.h>
#include <debug.h>
#include <internal.h>
#include <notify.h>
#include <util.h>
#include <version.h>

/* Pidgin headers */
#include <gtkconv.h>
#include <gtkplugin.h>
#include <gtkwebview.h>
#include <smileyparser.h>

#include <libxml/xmlreader.h>

#include "message-style.h"
/* GObject data keys */
#define MESSAGE_STYLE_KEY "message-style"

static char  *cur_style_dir = NULL;
static void  *handle = NULL;

static inline char *
get_absolute_path(const char *path)
{
	if (g_path_is_absolute(path))
		return g_strdup(path);
	else {
		char *cwd, *ret;
		cwd = g_get_current_dir();
		ret = g_build_filename(cwd, path, NULL);
		g_free(cwd);
		return ret;
	}
}

static void webkit_on_webview_destroy(GtkObject* obj, gpointer data);

static void *
webkit_plugin_get_handle(void)
{
	if (handle)
		return handle;
	else
		return (handle = g_malloc(1));
}

static void
webkit_plugin_free_handle(void)
{
	purple_signals_disconnect_by_handle(handle);
	g_free(handle);
}

static char *
replace_message_tokens(
	const char *text,
	gsize len,
	PurpleConversation *conv,
	const char *name,
	const char *alias,
	const char *message,
	PurpleMessageFlags flags,
	time_t mtime)
{
	GString *str = g_string_new_len(NULL, len);
	const char *cur = text;
	const char *prev = cur;

	while ((cur = strchr(cur, '%'))) {
		const char *replace = NULL;
		char *fin = NULL;

		if (!strncmp(cur, "%message%", strlen("%message%"))) {
			replace = message;
		} else if (!strncmp(cur, "%messageClasses%", strlen("%messageClasses%"))) {
			replace = flags & PURPLE_MESSAGE_SEND ? "outgoing" :
				  flags & PURPLE_MESSAGE_RECV ? "incoming" : "event";
		} else if (!strncmp(cur, "%time", strlen("%time"))) {
			char *format = NULL;
			if (*(cur + strlen("%time")) == '{') {
				const char *start = cur + strlen("%time") + 1;
				char *end = strstr(start, "}%");
				if (!end) /* Invalid string */
					continue;
				format = g_strndup(start, end - start);
				fin = end + 1;
			}
			replace = purple_utf8_strftime(format ? format : "%X", NULL);
			g_free(format);
		} else if (!strncmp(cur, "%userIconPath%", strlen("%userIconPath%"))) {
			if (flags & PURPLE_MESSAGE_SEND) {
				if (purple_account_get_bool(conv->account, "use-global-buddyicon", TRUE)) {
					replace = purple_prefs_get_path(PIDGIN_PREFS_ROOT "/accounts/buddyicon");
				} else {
					PurpleStoredImage *img = purple_buddy_icons_find_account_icon(conv->account);
					replace = purple_imgstore_get_filename(img);
				}
				if (replace == NULL || !g_file_test(replace, G_FILE_TEST_EXISTS)) {
					replace = g_build_filename("Outgoing", "buddy_icon.png", NULL);
				}
			} else if (flags & PURPLE_MESSAGE_RECV) {
				PurpleBuddyIcon *icon = purple_conv_im_get_icon(PURPLE_CONV_IM(conv));
				replace = purple_buddy_icon_get_full_path(icon);
				if (replace == NULL || !g_file_test(replace, G_FILE_TEST_EXISTS)) {
					replace = g_build_filename("Incoming", "buddy_icon.png", NULL);
				}
			}

		} else if (!strncmp(cur, "%senderScreenName%", strlen("%senderScreenName%"))) {
			replace = name;
		} else if (!strncmp(cur, "%sender%", strlen("%sender%"))) {
			replace = alias;
		} else if (!strncmp(cur, "%service%", strlen("%service%"))) {
			replace = purple_account_get_protocol_name(conv->account);
		} else {
			cur++;
			continue;
		}

		/* Here we have a replacement to make */
		g_string_append_len(str, prev, cur - prev);
		g_string_append(str, replace);

		/* And update the pointers */
		if (fin) {
			prev = cur = fin + 1;
		} else {
			prev = cur = strchr(cur + 1, '%') + 1;
		}

	}

	/* And wrap it up */
	g_string_append(str, prev);
	return g_string_free(str, FALSE);
}

static char *
replace_header_tokens(char *text, gsize len, PurpleConversation *conv)
{
	GString *str = g_string_new_len(NULL, len);
	char *cur = text;
	char *prev = cur;

	if (text == NULL)
		return NULL;

	while ((cur = strchr(cur, '%'))) {
		const char *replace = NULL;
		char *fin = NULL;

		if (!strncmp(cur, "%chatName%", strlen("%chatName%"))) {
			replace = conv->name;
		} else if (!strncmp(cur, "%sourceName%", strlen("%sourceName%"))) {
			replace = purple_account_get_alias(conv->account);
			if (replace == NULL)
				replace = purple_account_get_username(conv->account);
		} else if (!strncmp(cur, "%destinationName%", strlen("%destinationName%"))) {
			PurpleBuddy *buddy = purple_find_buddy(conv->account, conv->name);
			if (buddy) {
				replace = purple_buddy_get_alias(buddy);
			} else {
				replace = conv->name;
			}
		} else if (!strncmp(cur, "%incomingIconPath%", strlen("%incomingIconPath%"))) {
			PurpleBuddyIcon *icon = purple_conv_im_get_icon(PURPLE_CONV_IM(conv));
			replace = purple_buddy_icon_get_full_path(icon);
		} else if (!strncmp(cur, "%outgoingIconPath%", strlen("%outgoingIconPath%"))) {
		} else if (!strncmp(cur, "%timeOpened", strlen("%timeOpened"))) {
			char *format = NULL;
			if (*(cur + strlen("%timeOpened")) == '{') {
				char *start = cur + strlen("%timeOpened") + 1;
				char *end = strstr(start, "}%");
				if (!end) /* Invalid string */
					continue;
				format = g_strndup(start, end - start);
				fin = end + 1;
			}
			replace = purple_utf8_strftime(format ? format : "%X", NULL);
			g_free(format);
		} else {
			continue;
		}

		/* Here we have a replacement to make */
		g_string_append_len(str, prev, cur - prev);
		g_string_append(str, replace);

		/* And update the pointers */
		if (fin) {
			prev = cur = fin + 1;
		} else {
			prev = cur = strchr(cur + 1, '%') + 1;
		}
	}

	/* And wrap it up */
	g_string_append(str, prev);
	return g_string_free(str, FALSE);
}

static char *
replace_template_tokens(PidginMessageStyle *style, char *text, int len, char *header, char *footer)
{
	GString *str = g_string_new_len(NULL, len);

	char **ms = g_strsplit(text, "%@", 6);
	char *base = NULL;
	char *csspath = pidgin_message_style_get_css(style);
	if (ms[0] == NULL || ms[1] == NULL || ms[2] == NULL || ms[3] == NULL || ms[4] == NULL || ms[5] == NULL) {
		g_strfreev(ms);
		g_string_free(str, TRUE);
		return NULL;
	}

	g_string_append(str, ms[0]);
	g_string_append(str, "file://");
	base = g_build_filename(style->style_dir, "Contents", "Resources", "Template.html", NULL);
	g_string_append(str, base);
	g_free(base);

	g_string_append(str, ms[1]);

	g_string_append(str, style->basestyle_css);

	g_string_append(str, ms[2]);

	g_string_append(str, "file://");
	g_string_append(str, csspath);

	g_string_append(str, ms[3]);
	if (header)
		g_string_append(str, header);
	g_string_append(str, ms[4]);
	if (footer)
		g_string_append(str, footer);
	g_string_append(str, ms[5]);

	g_strfreev(ms);
	g_free(csspath);
	return g_string_free(str, FALSE);
}

static GtkWidget *
get_webkit(PurpleConversation *conv)
{
	PidginConversation *gtkconv;
	gtkconv = PIDGIN_CONVERSATION(conv);
	if (!gtkconv)
		return NULL;
	else
		return gtkconv->webview;
}

static void
set_theme_webkit_settings(WebKitWebView *webview, PidginMessageStyle *style)
{
	WebKitWebSettings *settings;

	g_object_get(G_OBJECT(webview), "settings", &settings, NULL);
	if (style->default_font_family)
		g_object_set(G_OBJECT(settings), "default-font-family", style->default_font_family, NULL);

	if (style->default_font_size)
		g_object_set(G_OBJECT(settings), "default-font-size", GINT_TO_POINTER(style->default_font_size), NULL);

	/* this does not work :( */
	webkit_web_view_set_transparent(webview, style->default_background_is_transparent);
}

/*
 * The style specification says that if the conversation is a group
 * chat then the <div id="Chat"> element will be given a class
 * 'groupchat'. I can't add another '%@' in Template.html because
 * that breaks style-specific Template.html's. I have to either use libxml
 * or conveniently play with WebKit's javascript engine. The javascript
 * engine should work, but it's not an identical behavior.
 */
static void
webkit_set_groupchat(GtkWebView *webview)
{
	gtk_webview_safe_execute_script(webview, "document.getElementById('Chat').className = 'groupchat'");
}


/**
 * Called when either a new PurpleConversation is created
 * or when a PidginConversation changes its active PurpleConversation
 * This will not change the theme if the theme is already set.
 * (This is to prevent accidental theme changes if a new
 * PurpleConversation gets added.
 *
 * FIXME: it's not at all clear to me as to how
 * Adium themes handle the case when the PurpleConversation
 * changes.
 */
static void
init_theme_for_webkit(PurpleConversation *conv, char *style_dir)
{
	GtkWidget *webkit = PIDGIN_CONVERSATION(conv)->webview;
	char *header, *footer;
	char *template;

	char* basedir;
	char* baseuri;
	PidginMessageStyle *style, *oldStyle;
	PidginMessageStyle *copy;

	oldStyle = g_object_get_data(G_OBJECT(webkit), MESSAGE_STYLE_KEY);
	if (oldStyle)
		return;

	purple_debug_info("webkit", "loading %s\n", style_dir);
	style = pidgin_message_style_load(style_dir);
	g_assert(style);
	g_assert(style->template_html); /* debugging test? */

	basedir = g_build_filename(style->style_dir, "Contents", "Resources", "Template.html", NULL);
	baseuri = g_strdup_printf("file://%s", basedir);
	header = replace_header_tokens(style->header_html, strlen(style->header_html), conv);
	g_assert(style);
	footer = replace_header_tokens(style->footer_html, strlen(style->footer_html), conv);
	template = replace_template_tokens(style, style->template_html, strlen(style->template_html) + strlen(style->header_html), header, footer);

	g_assert(template);

	purple_debug_info("webkit", "template: %s\n", template);

	set_theme_webkit_settings(WEBKIT_WEB_VIEW(webkit), style);
	webkit_web_view_load_string(WEBKIT_WEB_VIEW(webkit), template, "text/html", "UTF-8", baseuri);

	copy = pidgin_message_style_copy(style);
	g_object_set_data(G_OBJECT(webkit), MESSAGE_STYLE_KEY, copy);

	pidgin_message_style_unref(style);
	/* I need to unref this style when the webkit object destroys */
	g_signal_connect(G_OBJECT(webkit), "destroy", G_CALLBACK(webkit_on_webview_destroy), copy);

	if (purple_conversation_get_type(conv) == PURPLE_CONV_TYPE_CHAT)
		webkit_set_groupchat(GTK_WEBVIEW(webkit));
	g_free(basedir);
	g_free(baseuri);
	g_free(header);
	g_free(footer);
	g_free(template);
}


/* restore the non theme version of the conversation window */
static void
finalize_theme_for_webkit(PurpleConversation *conv)
{
	GtkWidget *webview = PIDGIN_CONVERSATION(conv)->webview;
	PidginMessageStyle *style = g_object_get_data(G_OBJECT(webview), MESSAGE_STYLE_KEY);

	webkit_web_view_load_string(WEBKIT_WEB_VIEW(webview), "", "text/html", "UTF-8", "");

	g_object_set_data(G_OBJECT(webview), MESSAGE_STYLE_KEY, NULL);
	pidgin_message_style_unref(style);
}

static void
webkit_on_webview_destroy(GtkObject *object, gpointer data)
{
	pidgin_message_style_unref((PidginMessageStyle *)data);
	g_object_set_data(G_OBJECT(object), MESSAGE_STYLE_KEY, NULL);
}

static gboolean
webkit_on_displaying_im_msg(PurpleAccount *account,
						 const char* name,
						 char **pmessage,
						 PurpleConversation *conv,
						 PurpleMessageFlags flags,
						 gpointer data)
{
	GtkWidget *webkit;
	char *message = *pmessage;
	const char *alias = name; /* FIXME: signal doesn't give me alias */
	char *stripped;
	char *message_html;
	char *msg;
	char *escape;
	char *script;
	char *func = "appendMessage";
	char *smileyed;
	time_t mtime = time(NULL); /* FIXME: this should come from the write_conv calback, but the signal doesn't pass this to me */

	PurpleMessageFlags old_flags = GPOINTER_TO_INT(purple_conversation_get_data(conv, "webkit-lastflags"));
	PidginMessageStyle *style;

	webkit = get_webkit(conv);
	stripped = g_strdup(message);

	style = g_object_get_data(G_OBJECT(webkit), MESSAGE_STYLE_KEY);
	g_assert(style);

	if (flags & PURPLE_MESSAGE_SEND && old_flags & PURPLE_MESSAGE_SEND) {
		message_html = style->outgoing_next_content_html;
		func = "appendNextMessage";
	} else if (flags & PURPLE_MESSAGE_SEND) {
		message_html = style->outgoing_content_html;
	} else if (flags & PURPLE_MESSAGE_RECV && old_flags & PURPLE_MESSAGE_RECV) {
		message_html = style->incoming_next_content_html;
		func = "appendNextMessage";
	} else if (flags & PURPLE_MESSAGE_RECV) {
		message_html = style->incoming_content_html;
	} else {
		message_html = style->status_html;
	}
	purple_conversation_set_data(conv, "webkit-lastflags", GINT_TO_POINTER(flags));

	smileyed = smiley_parse_markup(stripped, conv->account->protocol_id);
	msg = replace_message_tokens(message_html, 0, conv, name, alias, smileyed, flags, mtime);
	escape = gtk_webview_quote_js_string(msg);
	script = g_strdup_printf("%s(%s)", func, escape);

	purple_debug_info("webkit", "JS: %s\n", script);
	gtk_webview_safe_execute_script(GTK_WEBVIEW(webkit), script);

	g_free(script);
	g_free(smileyed);
	g_free(msg);
	g_free(stripped);
	g_free(escape);

	return TRUE; /* GtkConv should not handle this IM */
}

static gboolean
webkit_on_displaying_chat_msg(PurpleAccount *account,
					       const char *who,
					       char **message,
					       PurpleConversation *conv,
					       PurpleMessageFlags flags,
					       gpointer userdata)
{
	/* handle exactly like an IM message for now */
	return webkit_on_displaying_im_msg(account, who, message, conv, flags, NULL);
}

static void
webkit_on_conversation_displayed(PidginConversation *gtkconv, gpointer data)
{
	init_theme_for_webkit(gtkconv->active_conv, cur_style_dir);
}

static void
webkit_on_conversation_switched(PurpleConversation *conv, gpointer data)
{
	init_theme_for_webkit(conv, cur_style_dir);
}

static void
webkit_on_conversation_hiding(PidginConversation *gtkconv, gpointer data)
{
	/*
	 * I'm not sure if I need to do anything here, but let's keep
	 * this anyway.
	 */
}

static GList *
get_dir_dir_list(const char *dirname)
{
	GList *ret = NULL;
	GDir  *dir = g_dir_open(dirname, 0, NULL);
	const char* subdir;

	if (!dir) return NULL;
	while ((subdir = g_dir_read_name(dir))) {
		ret = g_list_append(ret, g_build_filename(dirname, subdir, NULL));
	}

	g_dir_close(dir);
	return ret;
}

/**
 * Get me a list of all the available themes specified by their
 * directories. I don't guarrantee that these are valid themes, just
 * that they are in the directories for themes.
 */
static GList *
get_style_directory_list(void)
{
	char *user_dir, *user_style_dir, *global_style_dir;
	GList *list1, *list2;

	user_dir = get_absolute_path(purple_user_dir());

	user_style_dir = g_build_filename(user_dir, "styles", NULL);
	global_style_dir = g_build_filename(DATADIR, "pidgin", "styles", NULL);

	list1 = get_dir_dir_list(user_style_dir);
	list2 = get_dir_dir_list(global_style_dir);

	g_free(global_style_dir);
	g_free(user_style_dir);
	g_free(user_dir);

	return g_list_concat(list1, list2);
}

/**
 * use heuristics or previous user options to figure out what
 * theme to use as default in this Pidgin instance.
 */
static void
style_set_default(void)
{
	GList *styles = get_style_directory_list(), *iter;
	const char *stylepath = purple_prefs_get_string("/plugins/gtk/adiumthemes/stylepath");
	g_assert(cur_style_dir == NULL);

	if (stylepath && *stylepath)
		styles = g_list_prepend(styles, g_strdup(stylepath));
	else {
		purple_notify_error(handle, _("Webkit themes"),
			_("Can't find installed styles"),
			_("Please install some theme and verify the installation path"));

	}

	/* pick any one that works. Note that we have first preference
	 * for the one in the userdir */
	for (iter = styles; iter; iter = g_list_next(iter)) {
		PidginMessageStyle *style = pidgin_message_style_load(iter->data);
		if (style) {
			cur_style_dir = (char *)g_strdup(iter->data);
			pidgin_message_style_unref(style);
			break;
		}
		purple_debug_info("webkit", "Style %s is invalid\n", (char *)iter->data);
	}

	for (iter = styles; iter; iter = g_list_next(iter))
		g_free(iter->data);
	g_list_free(styles);
}

static gboolean
plugin_load(PurplePlugin *plugin)
{
	style_set_default();
	if (!cur_style_dir)
		return FALSE; /* couldn't find a style */

	purple_signal_connect(pidgin_conversations_get_handle(),
			       "displaying-im-msg",
			       webkit_plugin_get_handle(),
			       PURPLE_CALLBACK(webkit_on_displaying_im_msg),
			       NULL);

	purple_signal_connect(pidgin_conversations_get_handle(),
			       "displaying-chat-msg",
			       webkit_plugin_get_handle(),
			       PURPLE_CALLBACK(webkit_on_displaying_chat_msg),
			       NULL);

	purple_signal_connect(pidgin_conversations_get_handle(),
			       "conversation-displayed",
			       webkit_plugin_get_handle(),
			       PURPLE_CALLBACK(webkit_on_conversation_displayed),
			       NULL);

	purple_signal_connect(pidgin_conversations_get_handle(),
			       "conversation-switched",
			       webkit_plugin_get_handle(),
			       PURPLE_CALLBACK(webkit_on_conversation_switched),
			       NULL);

	purple_signal_connect(pidgin_conversations_get_handle(),
			       "conversation-hiding",
			       webkit_plugin_get_handle(),
			       PURPLE_CALLBACK(webkit_on_conversation_hiding),
			       NULL);

	/* finally update each of the existing conversation windows */
	{
		GList *list = purple_get_conversations();
		for (;list; list = g_list_next(list))
			init_theme_for_webkit(list->data, cur_style_dir);

	}
	return TRUE;
}

static gboolean
plugin_unload(PurplePlugin *plugin)
{
	GList *list;

	webkit_plugin_free_handle();
	cur_style_dir = NULL;
	list = purple_get_conversations();
	while (list) {
		finalize_theme_for_webkit(list->data);
		list = g_list_next(list);
	}

	return TRUE;
}

/*
 * UI config code
 */

static void
style_changed(GtkWidget *combobox, gpointer null)
{
	char *name = gtk_combo_box_get_active_text(GTK_COMBO_BOX(combobox));
	GtkWidget *dialog;
	GList *styles = get_style_directory_list(), *iter;

	/* find the full path for this name, I wish I could store this info in the combobox itself. :( */
	for (iter = styles; iter; iter = g_list_next(iter)) {
		char *basename = g_path_get_basename(iter->data);
		if (g_str_equal(basename, name)) {
			g_free(basename);
			break;
		}
		g_free(basename);
	}

	g_assert(iter);
	g_free(name);
	g_free(cur_style_dir);
	cur_style_dir = g_strdup(iter->data);;
	purple_prefs_set_string("/plugins/gtk/adiumthemes/stylepath", cur_style_dir);

	/* inform the user that existing conversations haven't changed */
	dialog = gtk_message_dialog_new(NULL, 0, GTK_MESSAGE_INFO, GTK_BUTTONS_CLOSE, "The style for existing conversations have not been changed. Please close and re-open the conversation for the changes to take effect.");
	g_assert(dialog);
	gtk_widget_show(dialog);
	g_signal_connect_swapped(dialog, "response", G_CALLBACK(gtk_widget_destroy), dialog);
}

static GtkWidget *
get_style_config_frame(void)
{
	GtkWidget *combobox = gtk_combo_box_new_text();
	GList *styles = get_style_directory_list(), *iter;
	int index = 0, selected = 0;

	for (iter = styles; iter; iter = g_list_next(iter)) {
		PidginMessageStyle *style = pidgin_message_style_load(iter->data);

		if (style) {
			char *text = g_path_get_basename(iter->data);
			gtk_combo_box_append_text(GTK_COMBO_BOX(combobox), text);
			g_free(text);

			if (g_str_equal(iter->data, cur_style_dir))
				selected = index;
			index++;
			pidgin_message_style_unref(style);
		}
	}
	gtk_combo_box_set_active(GTK_COMBO_BOX(combobox), selected);
	g_signal_connect_after(G_OBJECT(combobox), "changed", G_CALLBACK(style_changed), NULL);
	return combobox;
}

static void
variant_update_conversation(PurpleConversation *conv)
{
	PidginConversation *gtkconv = PIDGIN_CONVERSATION(conv);
	WebKitWebView *webview = WEBKIT_WEB_VIEW(gtkconv->webview);
	PidginMessageStyle *style = (PidginMessageStyle *)g_object_get_data(G_OBJECT(webview), MESSAGE_STYLE_KEY);
	char *script;

	g_assert(style);

	script = g_strdup_printf("setStylesheet(\"mainStyle\",\"%s\")", pidgin_message_style_get_css(style));
	gtk_webview_safe_execute_script(GTK_WEBVIEW(webview), script);

	set_theme_webkit_settings(WEBKIT_WEB_VIEW(gtkconv->webview), style);
	g_free(script);
}

static void
variant_changed(GtkWidget* combobox, gpointer null)
{
	char *name;
	GList *list;
	PidginMessageStyle *style = pidgin_message_style_load(cur_style_dir);

	g_assert(style);
	name = gtk_combo_box_get_active_text(GTK_COMBO_BOX(combobox));
	pidgin_message_style_set_variant(style, name);
	pidgin_message_style_save_state(style);

	/* update conversations */
	list = purple_get_conversations();
	while (list) {
		variant_update_conversation(list->data);
		list = g_list_next(list);
	}

	g_free(name);
	pidgin_message_style_unref(style);
}

static GtkWidget *
get_variant_config_frame()
{
	PidginMessageStyle *style = pidgin_message_style_load(cur_style_dir);
	GList *variants = pidgin_message_style_get_variants(style), *iter;
	char *cur_variant = pidgin_message_style_get_variant(style);
	GtkWidget *combobox = gtk_combo_box_new_text();
	int def = -1, index = 0;

	pidgin_message_style_unref(style);

	for (iter = variants; iter; iter = g_list_next(iter)) {
		gtk_combo_box_append_text(GTK_COMBO_BOX(combobox), iter->data);

		if (g_str_equal(cur_variant, iter->data))
			def = index;
		index ++;

	}

	gtk_combo_box_set_active(GTK_COMBO_BOX(combobox), def);
	g_signal_connect(G_OBJECT(combobox), "changed", G_CALLBACK(variant_changed), NULL);

	return combobox;
}

static void
style_changed_reset_variants(GtkWidget* combobox, gpointer table)
{
	/* I hate to do this, I swear. But I don't know how to cleanly clean an existing combobox */
	GtkWidget* variants = g_object_get_data(G_OBJECT(table), "variants-cbox");
	gtk_widget_destroy(variants);
	variants = get_variant_config_frame();
	gtk_table_attach_defaults(GTK_TABLE(table), variants, 1, 2, 1, 2);
	gtk_widget_show_all(GTK_WIDGET(table));

	g_object_set_data(G_OBJECT(table), "variants-cbox", variants);
}

static GtkWidget*
get_config_frame(PurplePlugin* plugin)
{
	GtkWidget *table = gtk_table_new(2, 2, FALSE);
	GtkWidget *style_config = get_style_config_frame();
	GtkWidget *variant_config = get_variant_config_frame();

	gtk_table_attach_defaults(GTK_TABLE(table), gtk_label_new("Message Style"), 0, 1, 0, 1);
	gtk_table_attach_defaults(GTK_TABLE(table), style_config, 1, 2, 0, 1);
	gtk_table_attach_defaults(GTK_TABLE(table), gtk_label_new("Style Variant"), 0, 1, 1, 2);
	gtk_table_attach_defaults(GTK_TABLE(table), variant_config, 1, 2, 1, 2);

	g_object_set_data(G_OBJECT(table), "variants-cbox", variant_config);
	/* to clarify, this is a second signal connected on style config */
	g_signal_connect_after(G_OBJECT(style_config), "changed", G_CALLBACK(style_changed_reset_variants), table);

	return table;
}

PidginPluginUiInfo ui_info =
{
        get_config_frame,
        0, /* page_num (Reserved) */

        /* padding */
        NULL,
        NULL,
        NULL,
        NULL
};


static PurplePluginInfo info =
{
	PURPLE_PLUGIN_MAGIC,		/* Magic				*/
	PURPLE_MAJOR_VERSION,		/* Purple Major Version	*/
	PURPLE_MINOR_VERSION,		/* Purple Minor Version	*/
	PURPLE_PLUGIN_STANDARD,		/* plugin type			*/
	PIDGIN_PLUGIN_TYPE,			/* ui requirement		*/
	0,							/* flags				*/
	NULL,						/* dependencies			*/
	PURPLE_PRIORITY_DEFAULT,	/* priority				*/

	PLUGIN_ID,					/* plugin id			*/
	NULL,						/* name					*/
	"0.1",					/* version				*/
	NULL,						/* summary				*/
	NULL,						/* description			*/
	PLUGIN_AUTHOR,				/* author				*/
	"http://pidgin.im",					/* website				*/

	plugin_load,				/* load					*/
	plugin_unload,				/* unload				*/
	NULL,						/* destroy				*/

	&ui_info,						/* ui_info				*/
	NULL,						/* extra_info			*/
	NULL,						/* prefs_info			*/
	NULL,						/* actions				*/
	NULL,						/* reserved 1			*/
	NULL,						/* reserved 2			*/
	NULL,						/* reserved 3			*/
	NULL						/* reserved 4			*/
};

static void
init_plugin(PurplePlugin *plugin) {
	info.name = "Adium IMs";
	info.summary = "Adium-like IMs with Pidgin";
	info.description = "You can chat in Pidgin using Adium's WebKit view.";

	purple_prefs_add_none("/plugins");
	purple_prefs_add_none("/plugins/gtk");
	purple_prefs_add_none("/plugins/gtk/adiumthemes");
	purple_prefs_add_string("/plugins/gtk/adiumthemes/stylepath", "");
}

PURPLE_INIT_PLUGIN(webkit, init_plugin, info)