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path: root/backend/ev-document.c
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
/*
 *  Copyright (C) 2004 Marco Pesenti Gritti
 *
 *  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.
 *
 */

#include "config.h"

#include "ev-document.h"
#include "ev-backend-marshalers.h"

static void ev_document_class_init (gpointer g_class);

enum
{
	CHANGED,
	LAST_SIGNAL
};

static guint signals[LAST_SIGNAL] = { 0 };

GType
ev_document_get_type (void)
{
	static GType type = 0;

	if (G_UNLIKELY (type == 0))
	{
		static const GTypeInfo our_info =
		{
			sizeof (EvDocumentIface),
			NULL,
			NULL,
			(GClassInitFunc)ev_document_class_init
		};

		type = g_type_register_static (G_TYPE_INTERFACE,
					       "EvDocument",
					       &our_info, (GTypeFlags)0);
	}

	return type;
}

static void
ev_document_class_init (gpointer g_class)
{
	signals[CHANGED] =
		g_signal_new ("changed",
			      EV_TYPE_DOCUMENT,
			      G_SIGNAL_RUN_LAST,
			      G_STRUCT_OFFSET (EvDocumentIface, changed),
			      NULL, NULL,
			      g_cclosure_marshal_VOID__VOID,
			      G_TYPE_NONE,
			      0);

	g_object_interface_install_property (g_class,
				g_param_spec_string ("title",
						     "Document Title",
						     "The title of the document",
						     NULL, 0));
}

gboolean
ev_document_load (EvDocument  *document,
		  const char  *uri,
		  GError     **error)
{
	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
	return iface->load (document, uri, error);
}

char *
ev_document_get_title (EvDocument  *document)
{
	char *title;

	g_object_get (document, "title", &title, NULL);

	return title;
}

int
ev_document_get_n_pages (EvDocument  *document)
{
	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
	return iface->get_n_pages (document);
}

void
ev_document_set_page (EvDocument  *document,
		      int          page)
{
	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
	iface->set_page (document, page);
}

int
ev_document_get_page (EvDocument *document)
{
	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
	return iface->get_page (document);
}

void
ev_document_set_target (EvDocument  *document,
			GdkDrawable *target)
{
	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
	iface->set_target (document, target);
}

void
ev_document_set_scale (EvDocument   *document,
		       double        scale)
{
	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
	iface->set_scale (document, scale);
}

void
ev_document_set_page_offset (EvDocument  *document,
			     int          x,
			     int          y)
{
	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
	iface->set_page_offset (document, x, y);
}

void
ev_document_get_page_size   (EvDocument   *document,
			     int          *width,
			     int          *height)
{
	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
	iface->get_page_size (document, width, height);
}

void
ev_document_render (EvDocument  *document,
		    int          clip_x,
		    int          clip_y,
		    int          clip_width,
		    int          clip_height)
{
	EvDocumentIface *iface = EV_DOCUMENT_GET_IFACE (document);
	iface->render (document, clip_x, clip_y, clip_width, clip_height);
}

void
ev_document_changed (EvDocument *document)
{
	g_signal_emit (G_OBJECT (document), signals[CHANGED], 0);
}