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

#include "tab-chrome.h"

static GtkWidget *
navigation_toolbar_new(MqTabChrome *chrome, gchar *uri)
{
	GtkToolbar  *navigation_toolbar;
	GtkToolItem *uri_toolitem;

	navigation_toolbar = GTK_TOOLBAR(gtk_toolbar_new());

	/* Back button */
	gtk_toolbar_insert(navigation_toolbar,
		gtk_tool_button_new(
			gtk_image_new_from_icon_name("go-previous", 16),
			"Back"),
		-1);

	/* Forward button */
	gtk_toolbar_insert(navigation_toolbar,
		gtk_tool_button_new(
			gtk_image_new_from_icon_name("go-next", 16),
			"Forward"),
		-1);

	/* URI bar */
	uri_toolitem = gtk_tool_item_new();
	chrome->uri_entry = gtk_entry_new();
	gtk_entry_set_text(GTK_ENTRY(chrome->uri_entry), uri);
	gtk_entry_set_placeholder_text(GTK_ENTRY(chrome->uri_entry),
		"URI...");
	gtk_entry_set_icon_from_icon_name(GTK_ENTRY(chrome->uri_entry),
		GTK_ENTRY_ICON_PRIMARY, "text-x-generic");
	gtk_entry_set_progress_fraction(GTK_ENTRY(chrome->uri_entry), 0.0);
	gtk_container_add(GTK_CONTAINER(uri_toolitem),
		chrome->uri_entry);
	gtk_tool_item_set_expand(uri_toolitem, TRUE);
	gtk_toolbar_insert(navigation_toolbar, uri_toolitem, -1);

	gtk_widget_set_hexpand(GTK_WIDGET(navigation_toolbar), TRUE);

	return GTK_WIDGET(navigation_toolbar);
}

MqTabChrome *
mq_tab_chrome_new(gchar *uri, GtkNotebook *notebook, GtkWidget *notebook_child)
{
	MqTabChrome *chrome;

	chrome = malloc(sizeof(*chrome));

	chrome->container = gtk_grid_new();
	gtk_grid_attach(GTK_GRID(chrome->container),
		navigation_toolbar_new(chrome, uri), 0, 0, 1, 1);

	return chrome;
}

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

static void
load_changed_cb(WebKitWebView *web_view, WebKitLoadEvent load_event,
	MqTabChrome *chrome)
{
	switch (load_event) {
		case WEBKIT_LOAD_STARTED:
		case WEBKIT_LOAD_REDIRECTED:
		case WEBKIT_LOAD_COMMITTED:
			gtk_entry_set_text(GTK_ENTRY(chrome->uri_entry),
				webkit_web_view_get_uri(web_view));
			break;
		case WEBKIT_LOAD_FINISHED:
			gtk_entry_set_progress_fraction(
				GTK_ENTRY(chrome->uri_entry), 0.0);
			break;
	}
}

static void
load_progress_cb(WebKitWebView *web_view,
	GParamSpec __attribute__((unused)) *paramspec, MqTabChrome *chrome)
{
	gtk_entry_set_progress_fraction(GTK_ENTRY(chrome->uri_entry),
		webkit_web_view_get_estimated_load_progress(web_view));
}

static void
uri_cb(WebKitWebView *web_view, GParamSpec __attribute__((unused)) *paramspec,
	MqTabChrome *chrome)
{
	gtk_entry_set_text(GTK_ENTRY(chrome->uri_entry),
		webkit_web_view_get_uri(web_view));
}

static void
connect_web_view(MqTabChrome *chrome)
{
	g_signal_connect(chrome->web_view, "load-changed",
		G_CALLBACK(load_changed_cb), chrome);
	g_signal_connect(chrome->web_view, "notify::estimated-load-progress",
		G_CALLBACK(load_progress_cb), chrome);
	g_signal_connect(chrome->web_view, "notify::uri",
		G_CALLBACK(uri_cb), chrome);
}

void
mq_tab_chrome_set_web_view(MqTabChrome *chrome, WebKitWebView *web_view)
{
	chrome->web_view = web_view;
	connect_web_view(chrome);
}