path: root/plugins/face/face.c

/*
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>  
 *
 *
 * Authors:
 *      Sankar P <psankar@novell.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#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>
#include <e-util/e-util.h>

#define d(x) x

gboolean    e_plugin_ui_init        (GtkUIManager *manager,
                         EMsgComposer *composer);

static void
action_face_cb (GtkAction *action,
                EMsgComposer *composer)
{
    gchar *filename, *file_contents;
    GError *error = NULL;

    filename = g_build_filename (e_get_user_data_dir (), "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);
}

static GtkActionEntry entries[] = {

    { "face",
      NULL,
      N_("_Face"),
      NULL,
      NULL,
      G_CALLBACK (action_face_cb) }
};

gboolean
e_plugin_ui_init (GtkUIManager *manager,
                  EMsgComposer *composer)
{
    GtkhtmlEditor *editor;

    editor = GTKHTML_EDITOR (composer);

    /* Add actions to the "composer" action group. */
    gtk_action_group_add_actions (
        gtkhtml_editor_get_action_group (editor, "composer"),
        entries, G_N_ELEMENTS (entries), composer);

    return TRUE;
}