ev-properties-main.c

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/*
 * Copyright (C) 2000, 2001 Eazel Inc.
 * Copyright (C) 2003  Andrew Sobala <aes@gnome.org>
 * Copyright (C) 2005  Bastien Nocera <hadess@hadess.net>
 *
 * This library 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 library 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Ev project hereby grant permission for non-gpl compatible GStreamer
 * plugins to be used and distributed together with GStreamer and Ev. This
 * permission are above and beyond the permissions granted by the GPL license
 * Ev is covered by.
 *
 * Monday 7th February 2005: Christian Schaller: Add excemption clause.
 * See license_change file for details.
 *
 */

#include <config.h>

#include <string.h>

#include <glib/gi18n-lib.h>
#include <gtk/gtk.h>

#include <libnautilus-extension/nautilus-extension-types.h>
#include <libnautilus-extension/nautilus-property-page-provider.h>

#include <evince-document.h>
#include "ev-properties-view.h"

static GType epp_type = 0;
static void property_page_provider_iface_init
    (NautilusPropertyPageProviderIface *iface);
static GList *ev_properties_get_pages
    (NautilusPropertyPageProvider *provider, GList *files);

static void
ev_properties_plugin_register_type (GTypeModule *module)
{
    const GTypeInfo info = {
        sizeof (GObjectClass),
        (GBaseInitFunc) NULL,
        (GBaseFinalizeFunc) NULL,
        (GClassInitFunc) NULL,
        NULL,
        NULL,
        sizeof (GObject),
        0,
        (GInstanceInitFunc) NULL
    };
    const GInterfaceInfo property_page_provider_iface_info = {
        (GInterfaceInitFunc)property_page_provider_iface_init,
        NULL,
        NULL
    };

    epp_type = g_type_module_register_type (module, G_TYPE_OBJECT,
            "EvPropertiesPlugin",
            &info, 0);
    g_type_module_add_interface (module,
            epp_type,
            NAUTILUS_TYPE_PROPERTY_PAGE_PROVIDER,
            &property_page_provider_iface_info);
}

static void
property_page_provider_iface_init (NautilusPropertyPageProviderIface *iface)
{
    iface->get_pages = ev_properties_get_pages;
}

static GList *
ev_properties_get_pages (NautilusPropertyPageProvider *provider,
             GList *files)
{
    GError *error = NULL;
    EvDocument *document = NULL;
    GList *pages = NULL;
    NautilusFileInfo *file;
    gchar *uri = NULL;
    gchar *mime_type = NULL;
    GtkWidget *page, *label;
    NautilusPropertyPage *property_page;

    /* only add properties page if a single file is selected */
    if (files == NULL || files->next != NULL)
        goto end;
    file = files->data;

    /* okay, make the page */
    uri = nautilus_file_info_get_uri (file);
    mime_type = nautilus_file_info_get_mime_type (file);
    
    document = ev_backends_manager_get_document (mime_type);
    if (!document)
        goto end;

    ev_document_load (document, uri, &error);
    if (error) {
        g_error_free (error);
        goto end;
    }
    
    label = gtk_label_new (_("Document"));
    page = ev_properties_view_new (document);
    ev_properties_view_set_info (EV_PROPERTIES_VIEW (page),
                     ev_document_get_info (document));
    gtk_widget_show (page);
    property_page = nautilus_property_page_new ("document-properties",
            label, page);

    pages = g_list_prepend (pages, property_page);

end:
    g_free (uri);
    g_free (mime_type);

    if (document != NULL)
        g_object_unref (document);

    return pages;
}

/* --- extension interface --- */
void
nautilus_module_initialize (GTypeModule *module)
{
    ev_properties_plugin_register_type (module);
    ev_properties_view_register_type (module);

        ev_init ();
}

void
nautilus_module_shutdown (void)
{
        ev_shutdown ();
}

void
nautilus_module_list_types (const GType **types,
                            int          *num_types)
{
    static GType type_list[1];

    type_list[0] = epp_type;
    *types = type_list;
    *num_types = G_N_ELEMENTS (type_list);
}