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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 *  Author: Sankar P <psankar@novell.com>
 *
 *  Copyright 2004 Novell, Inc. (www.novell.com)
 *
 *  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 of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "composer/e-msg-composer.h"
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <mail/em-menu.h>
#include <e-util/e-error.h>

#define d(x) x

void org_gnome_composer_face (EPlugin * ep, EMMenuTargetWidget * target);
int e_plugin_lib_configure (EPlugin * ep);

void org_gnome_composer_face (EPlugin * ep, EMMenuTargetWidget * t)
{
    EMsgComposer *composer;
    gchar *filename, *file_contents;
    GError *error = NULL;

    composer = (EMsgComposer *) t->target.widget;
    filename = g_build_filename (g_get_home_dir (), ".evolution", "faces", NULL);
    g_file_get_contents (filename, &file_contents, NULL, &error);

    if (error) {

        GtkWidget *filesel;
        const char *image_filename;
        gsize length;

        GtkFileFilter *filter;

        filesel = gtk_file_chooser_dialog_new (_
                    ("Select a (48*48) png of size < 700bytes"),
                    NULL,
                    GTK_FILE_CHOOSER_ACTION_OPEN,
                    GTK_STOCK_CANCEL,
                    GTK_RESPONSE_CANCEL,
                    GTK_STOCK_OPEN, GTK_RESPONSE_OK, NULL);

        gtk_dialog_set_default_response (GTK_DIALOG (filesel), GTK_RESPONSE_OK);

        filter = gtk_file_filter_new ();
        gtk_file_filter_set_name (filter, _("PNG files"));
        gtk_file_filter_add_mime_type (filter, "image/png");
        gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (filesel), filter);

        if (GTK_RESPONSE_OK == gtk_dialog_run (GTK_DIALOG (filesel))) {
            image_filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (filesel));

            error = NULL;
            file_contents = NULL;
            g_file_get_contents (image_filename, &file_contents, &length, &error);

            if (!error) {
                error = NULL;
                if (length < 720) {

                    GdkPixbuf *pixbuf;
                    GdkPixbufLoader *loader = gdk_pixbuf_loader_new();

                    gdk_pixbuf_loader_write (loader, (guchar *)file_contents, length, NULL);
                    gdk_pixbuf_loader_close (loader, NULL);

                    pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
                    if (pixbuf) {
                        int width, height;

                        g_object_ref (pixbuf);

                        height = gdk_pixbuf_get_height (pixbuf);
                        width = gdk_pixbuf_get_width (pixbuf);

                        if (height != 48 || width != 48) {
                            d (printf ("\n\a Invalid Image Size. Please choose a 48*48 image\n\a"));
                            e_error_run (NULL, "org.gnome.evolution.plugins.face:invalid-image-size", NULL, NULL);
                        } else {
                            file_contents = g_base64_encode ((guchar *) file_contents, length);
                            g_file_set_contents (filename, file_contents, -1, &error);
                        }
                    }
                } else {
                    d (printf ("File too big"));
                    e_error_run (NULL, "org.gnome.evolution.plugins.face:invalid-file-size", NULL, NULL);
                }

            } else {
                d (printf ("\n\a File cannot be read\n\a"));
                e_error_run (NULL, "org.gnome.evolution.plugins.face:file-not-found", NULL, NULL);
            }
        }
        gtk_widget_destroy (filesel);
    }
    e_msg_composer_modify_header (composer, "Face", file_contents);
}