/*
 *  Copyright (C) 2003 Marco Pesenti Gritti
 *  Copyright (C) 2003 Christian Persch
 *
 *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *  $Id$
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "ephy-file-chooser.h"
#include "eel-gconf-extensions.h"
#include "ephy-state.h"
#include "ephy-debug.h"

#include <gtk/gtkstock.h>
#include <libgnomevfs/gnome-vfs-utils.h>

#define EPHY_FILE_CHOOSER_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_FILE_CHOOSER, EphyFileChooserPrivate))

struct EphyFileChooserPrivate
{
	char *persist_key;
};

static void ephy_file_chooser_class_init	(EphyFileChooserClass *klass);
static void ephy_file_chooser_init		(EphyFileChooser *dialog);

enum
{
	PROP_0,
	PROP_PERSIST_KEY
};

static GObjectClass *parent_class = NULL;

GType
ephy_file_chooser_get_type (void)
{
	static GType ephy_file_chooser_type = 0;

	if (ephy_file_chooser_type == 0)
	{
		static const GTypeInfo our_info =
		{
			sizeof (EphyFileChooserClass),
			NULL,
			NULL,
			(GClassInitFunc) ephy_file_chooser_class_init,
			NULL,
			NULL,
			sizeof (EphyFileChooser),
			0,
			(GInstanceInitFunc) ephy_file_chooser_init
		};

		ephy_file_chooser_type = g_type_register_static (GTK_TYPE_FILE_CHOOSER_DIALOG,
								 "EphyFileChooser",
								 &our_info, 0);
	}

	return ephy_file_chooser_type;
}

static void
current_folder_changed_cb (GtkFileChooser *chooser, EphyFileChooser *dialog)
{
	if (dialog->priv->persist_key)
	{
		char *dir;

		dir = gtk_file_chooser_get_current_folder (chooser);
		if (dir != NULL)
		{
			eel_gconf_set_string (dialog->priv->persist_key, dir);
			g_free (dir);
		}
	}
}

static void
ephy_file_chooser_init (EphyFileChooser *dialog)
{
	dialog->priv = EPHY_FILE_CHOOSER_GET_PRIVATE (dialog);

	dialog->priv->persist_key = NULL;

	g_signal_connect (dialog, "current-folder-changed",
			  G_CALLBACK (current_folder_changed_cb), dialog);

	ephy_state_add_window (GTK_WIDGET (dialog), "file_chooser",
			       400, 300,
			       EPHY_STATE_WINDOW_SAVE_SIZE |
			       EPHY_STATE_WINDOW_SAVE_POSITION);
}

static void
ephy_file_chooser_finalize (GObject *object)
{
	EphyFileChooser *dialog = EPHY_FILE_CHOOSER (object);

	g_free (dialog->priv->persist_key);

	LOG ("EphyFileChooser finalised")

	G_OBJECT_CLASS (parent_class)->finalize (object);
}

static void
ephy_file_chooser_set_persist_key (EphyFileChooser *dialog, const char *key)
{
	dialog->priv->persist_key = g_strdup (key);

	if (key != NULL)
	{
		char *uri;

		uri = eel_gconf_get_string (key);

		if (uri != NULL)
		{
			char *expanded;

			expanded = gnome_vfs_expand_initial_tilde (uri);

			gtk_file_chooser_set_current_folder
				(GTK_FILE_CHOOSER (dialog), expanded);

			g_free (expanded);
			g_free (uri);
		}
	}
}

static void
ephy_file_chooser_set_property (GObject *object,
				guint prop_id,
				const GValue *value,
				GParamSpec *pspec)
{
	EphyFileChooser *dialog = EPHY_FILE_CHOOSER (object);
	
	switch (prop_id)
	{
		case PROP_PERSIST_KEY:
			ephy_file_chooser_set_persist_key (dialog, g_value_get_string (value));
			break;
	}
}

static void
ephy_file_chooser_get_property (GObject *object,
				guint prop_id,
				GValue *value,
				GParamSpec *pspec)
{
	EphyFileChooser *dialog = EPHY_FILE_CHOOSER (object);

	switch (prop_id)
	{
		case PROP_PERSIST_KEY:
			g_value_set_string (value, dialog->priv->persist_key);
			break;
	}
}

static void
ephy_file_chooser_class_init (EphyFileChooserClass *klass)
{
	GObjectClass *object_class = G_OBJECT_CLASS (klass);

	parent_class = g_type_class_peek_parent (klass);

	object_class->finalize = ephy_file_chooser_finalize;
	object_class->get_property = ephy_file_chooser_get_property;
	object_class->set_property = ephy_file_chooser_set_property;

	g_object_class_install_property (object_class,
					 PROP_PERSIST_KEY,
					 g_param_spec_string ("persist-key",
							      "Persist Key",
							      "The gconf key to which to persist the selected directory",
							      NULL,
							      G_PARAM_READWRITE |
							      G_PARAM_CONSTRUCT_ONLY));

	g_type_class_add_private (object_class, sizeof (EphyFileChooserPrivate));
}

EphyFileChooser	*
ephy_file_chooser_new (const char *title,
		       GtkWidget *parent,
		       GtkFileChooserAction action,
		       const char *persist_key)
{
	EphyFileChooser *dialog;

	dialog = EPHY_FILE_CHOOSER (g_object_new (EPHY_TYPE_FILE_CHOOSER,
				    "local-only", TRUE,
				    "title", title,
				    "action", action,
				    "persist-key", persist_key,
				    NULL));

	if (action == GTK_FILE_CHOOSER_ACTION_OPEN)
	{
		gtk_dialog_add_buttons (GTK_DIALOG (dialog),
					GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
					GTK_STOCK_OPEN, EPHY_RESPONSE_OPEN,
					NULL);
	}
	else if (action == GTK_FILE_CHOOSER_ACTION_SAVE)
	{
		gtk_dialog_add_buttons (GTK_DIALOG (dialog),
					GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
					GTK_STOCK_SAVE, EPHY_RESPONSE_SAVE,
					NULL);
	}

	gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (parent));

	return dialog;
}