/*
 * Tab chrome
 *
 * Copyright (C) 2017  Patrick McDermott
 *
 * This file is part of Marquee.
 *
 * Marquee 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 3 of the License, or
 * (at your option) any later version.
 *
 * Marquee 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 Marquee.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdlib.h>
#include <string.h>

#include <gtk/gtk.h>
#include <webkit2/webkit2.h>

#include "tab-chrome.h"
#include "tab.h"
#include "back-forward-button-box.h"
#include "uri-entry.h"
#include "main-menu.h"
#include "find-toolbar.h"

static void
stop_reload_clicked_cb(GtkToolButton G_GNUC_UNUSED *toolbutton,
	MqTabChrome *chrome)
{
	if (webkit_web_view_is_loading(WEBKIT_WEB_VIEW(chrome->web_view))) {
		webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(chrome->web_view));
	} else {
		webkit_web_view_reload(WEBKIT_WEB_VIEW(chrome->web_view));
	}
}

static void
home_clicked_cb(GtkToolButton G_GNUC_UNUSED *toolbutton,
	MqTabChrome *chrome)
{
	const gchar *uri;

	uri = mq_config_get_string(chrome->config, "tabs.home");

	mq_web_view_load_uri(chrome->web_view, uri);
}

static void
loading_cb(MqWebView *web_view, GParamSpec G_GNUC_UNUSED *paramspec,
	MqTabChrome *chrome)
{
	if (webkit_web_view_is_loading(WEBKIT_WEB_VIEW(web_view))) {
		gtk_tool_button_set_icon_widget(
			GTK_TOOL_BUTTON(chrome->stop_reload_button),
			chrome->stop_icon);
		gtk_tool_button_set_label(
			GTK_TOOL_BUTTON(chrome->stop_reload_button), "Stop");
		gtk_widget_set_tooltip_text(
			GTK_WIDGET(chrome->stop_reload_button),
			"Stop loading the current page");
	} else {
		gtk_tool_button_set_icon_widget(
			GTK_TOOL_BUTTON(chrome->stop_reload_button),
			chrome->reload_icon);
		gtk_tool_button_set_label(
			GTK_TOOL_BUTTON(chrome->stop_reload_button), "Reload");
		gtk_widget_set_tooltip_text(
			GTK_WIDGET(chrome->stop_reload_button),
			"Reload the current page");
	}
	gtk_widget_show_all(GTK_WIDGET(chrome->stop_reload_button));
}

static GtkWidget *
navigation_toolbar_new(MqTabChrome *chrome, const gchar *uri)
{
	GtkToolbar  *navigation_toolbar;
	GtkToolItem *back_forward_tool_item;
	GtkToolItem *uri_tool_item;
	GtkToolItem *home_button;
	GtkToolItem *menu_button;

	navigation_toolbar = GTK_TOOLBAR(gtk_toolbar_new());

	/* Back/forward button box */
	back_forward_tool_item = mq_back_forward_button_box_new(chrome->tab,
		chrome->web_view);
	gtk_toolbar_insert(navigation_toolbar, back_forward_tool_item, -1);

	/* Stop/reload button */
	chrome->stop_icon = gtk_image_new_from_icon_name("process-stop",
		GTK_ICON_SIZE_SMALL_TOOLBAR);
	g_object_ref_sink(chrome->stop_icon);
	chrome->reload_icon = gtk_image_new_from_icon_name("view-refresh",
		GTK_ICON_SIZE_SMALL_TOOLBAR);
	g_object_ref_sink(chrome->reload_icon);
	chrome->stop_reload_button = gtk_tool_button_new(chrome->stop_icon,
		"Stop");
	gtk_widget_set_tooltip_text(GTK_WIDGET(chrome->stop_reload_button),
		"Stop loading the current page");
	g_signal_connect(chrome->stop_reload_button, "clicked",
		G_CALLBACK(stop_reload_clicked_cb), chrome);
	gtk_toolbar_insert(navigation_toolbar, chrome->stop_reload_button, -1);

	/* URI bar */
	uri_tool_item = mq_uri_entry_new(chrome->web_view, uri);
	gtk_toolbar_insert(navigation_toolbar, uri_tool_item, -1);

	/* Home button */
	home_button = gtk_tool_button_new(gtk_image_new_from_icon_name(
			"go-home", GTK_ICON_SIZE_SMALL_TOOLBAR), "Home");
	gtk_widget_set_tooltip_text(GTK_WIDGET(home_button),
		"Load the home page");
	g_signal_connect(home_button, "clicked",
		G_CALLBACK(home_clicked_cb), chrome);
	gtk_toolbar_insert(navigation_toolbar, home_button, -1);

	/* Menu button */
	menu_button = mq_main_menu_new(chrome->tab,
		chrome->find_toolbar, chrome->web_view);
	gtk_toolbar_insert(navigation_toolbar, menu_button, -1);

	gtk_widget_set_hexpand(GTK_WIDGET(navigation_toolbar), TRUE);

	g_signal_connect(chrome->web_view, "notify::is-loading",
		G_CALLBACK(loading_cb), chrome);

	return GTK_WIDGET(navigation_toolbar);
}

MqTabChrome *
mq_tab_chrome_new(MqTab *tab, MqFindToolbar *find_toolbar, MqWebView *web_view,
	const gchar *uri)
{
	MqTabChrome *chrome;

	chrome = malloc(sizeof(*chrome));
	chrome->config = mq_application_get_config(mq_tab_get_application(tab));
	chrome->tab = tab;
	chrome->find_toolbar = find_toolbar;
	chrome->web_view = web_view;

	chrome->container = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
	gtk_box_pack_start(GTK_BOX(chrome->container),
		navigation_toolbar_new(chrome, uri), FALSE, FALSE, 0);

	return chrome;
}

GtkWidget *
mq_tab_chrome_get_container(MqTabChrome *chrome)
{
	return chrome->container;
}