src/plugins/dillo_viewer/dillo_viewer.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto and the Sylpheed-Claws Team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include <unistd.h>
  25
  26 #include <glib.h>
  27 #include <gtk/gtk.h>
  28 #include <gdk/gdkx.h>
  29
  30 #include "intl.h"
  31 #include "plugin.h"
  32 #include "utils.h"
  33 #include "mimeview.h"
  34
  35 #include "dillo_prefs.h"
  36
  37 typedef struct _DilloViewer DilloViewer;
  38
  39 struct _DilloViewer
  40 {
  41         MimeViewer       mimeviewer;
  42         GtkWidget       *widget;
  43         GtkWidget       *socket;
  44         gchar           *filename;
  45 };
  46
  47 static MimeViewerFactory dillo_viewer_factory;
  48
  49 static GtkWidget *dillo_get_widget(MimeViewer *_viewer)
  50 {
  51         DilloViewer *viewer = (DilloViewer *) _viewer;
  52
  53         debug_print("dillo_get_widget\n");
  54
  55         return GTK_WIDGET(viewer->widget);
  56 }
  57
  58 static gboolean socket_destroy_cb(GtkObject *object, gpointer data)
  59 {
  60         DilloViewer *viewer = (DilloViewer *) data;
  61         debug_print("Destroyed dillo socket %p\n", viewer->socket);
  62         viewer->socket = NULL;
  63         return FALSE;
  64 }
  65
  66 static void dillo_show_mimepart(MimeViewer *_viewer,
  67                                 const gchar *infile,
  68                                 MimeInfo *partinfo)
  69 {
  70         DilloViewer *viewer = (DilloViewer *) _viewer;
  71
  72         debug_print("dillo_show_mimepart\n");
  73
  74         if (viewer->filename != NULL) {
  75                 unlink(viewer->filename);
  76                 g_free(viewer->filename);
  77         }
  78
  79         viewer->filename = procmime_get_tmp_file_name(partinfo);
  80
  81         if (!(procmime_get_part(viewer->filename, infile, partinfo) < 0)) {
  82                 gchar *cmd;
  83
  84                 if (viewer->socket)
  85                         gtk_widget_destroy(viewer->socket);
  86                 viewer->socket = gtk_socket_new();
  87                 debug_print("Adding dillo socket %p", viewer->socket);
  88                 gtk_container_add(GTK_CONTAINER(viewer->widget),
  89                                   viewer->socket);
  90                 gtk_widget_realize(viewer->socket);
  91                 gtk_widget_show(viewer->socket);
  92                 gtk_signal_connect(GTK_OBJECT(viewer->socket),
  93                                    "destroy",
  94                                    GTK_SIGNAL_FUNC(socket_destroy_cb),
  95                                    viewer);
  96
  97                 cmd = g_strdup_printf("dillo %s%s-x %d \"%s\"",
  98                                       (dillo_prefs.local ? "-l " : ""),
  99                                       (dillo_prefs.full ? "-f " : ""),
 100                                       (gint) GDK_WINDOW_XWINDOW(viewer->socket->window),
 101                                       viewer->filename);
 102
 103                 execute_command_line(cmd, TRUE);
 104                 g_free(cmd);
 105         }
 106 }
 107
 108 static void dillo_clear_viewer(MimeViewer *_viewer)
 109 {
 110         DilloViewer *viewer = (DilloViewer *) _viewer;
 111
 112         debug_print("dillo_clear_viewer\n");
 113         debug_print("Removing dillo socket %p\n", viewer->socket);
 114
 115         if (viewer->socket) {
 116                 gtk_widget_destroy(viewer->socket);
 117         }
 118 }
 119
 120 static void dillo_destroy_viewer(MimeViewer *_viewer)
 121 {
 122         DilloViewer *viewer = (DilloViewer *) _viewer;
 123
 124         debug_print("dillo_destroy_viewer\n");
 125
 126         gtk_widget_unref(GTK_WIDGET(viewer->widget));
 127         unlink(viewer->filename);
 128         g_free(viewer->filename);
 129         g_free(viewer);
 130 }
 131
 132 static MimeViewer *dillo_viewer_create(void)
 133 {
 134         DilloViewer *viewer;
 135
 136         debug_print("dillo_viewer_create\n");
 137
 138         viewer = g_new0(DilloViewer, 1);
 139         viewer->mimeviewer.factory = &dillo_viewer_factory;
 140         viewer->mimeviewer.get_widget = dillo_get_widget;
 141         viewer->mimeviewer.show_mimepart = dillo_show_mimepart;
 142         viewer->mimeviewer.clear_viewer = dillo_clear_viewer;
 143         viewer->mimeviewer.destroy_viewer = dillo_destroy_viewer;
 144         viewer->widget = gtk_event_box_new();
 145
 146         gtk_widget_show(viewer->widget);
 147         gtk_widget_ref(viewer->widget);
 148
 149         viewer->filename = NULL;
 150
 151         return (MimeViewer *) viewer;
 152 }
 153
 154 static MimeViewerFactory dillo_viewer_factory =
 155 {
 156         "text/html",
 157         0,
 158
 159         dillo_viewer_create
 160 };
 161
 162 gint plugin_init(gchar **error)
 163 {
 164         dillo_prefs_init();
 165
 166         mimeview_register_viewer_factory(&dillo_viewer_factory);
 167
 168         return 0;
 169 }
 170
 171 void plugin_done(void)
 172 {
 173         mimeview_unregister_viewer_factory(&dillo_viewer_factory);
 174
 175         dillo_prefs_done();
 176 }
 177
 178 const gchar *plugin_name(void)
 179 {
 180         return _("Dillo HTML Viewer");
 181 }
 182
 183 const gchar *plugin_desc(void)
 184 {
 185         return _("This plugin renders HTML mail using the Dillo "
 186                 "web browser.");
 187 }
 188
 189 const gchar *plugin_type(void)
 190 {
 191         return "GTK";
 192 }