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 "common/sylpheed.h"
  31 #include "common/version.h"
  32 #include "intl.h"
  33 #include "plugin.h"
  34 #include "utils.h"
  35 #include "mimeview.h"
  36
  37 #include "dillo_prefs.h"
  38
  39 typedef struct _DilloViewer DilloViewer;
  40
  41 struct _DilloViewer
  42 {
  43         MimeViewer       mimeviewer;
  44         GtkWidget       *widget;
  45         GtkWidget       *socket;
  46         gchar           *filename;
  47 };
  48
  49 static MimeViewerFactory dillo_viewer_factory;
  50
  51 static GtkWidget *dillo_get_widget(MimeViewer *_viewer)
  52 {
  53         DilloViewer *viewer = (DilloViewer *) _viewer;
  54
  55         debug_print("dillo_get_widget\n");
  56
  57         return GTK_WIDGET(viewer->widget);
  58 }
  59
  60 static gboolean socket_destroy_cb(GtkObject *object, gpointer data)
  61 {
  62         DilloViewer *viewer = (DilloViewer *) data;
  63         debug_print("Destroyed dillo socket %p\n", viewer->socket);
  64         viewer->socket = NULL;
  65         return FALSE;
  66 }
  67
  68 static void dillo_show_mimepart(MimeViewer *_viewer,
  69                                 const gchar *infile,
  70                                 MimeInfo *partinfo)
  71 {
  72         DilloViewer *viewer = (DilloViewer *) _viewer;
  73
  74         debug_print("dillo_show_mimepart\n");
  75
  76         if (viewer->filename != NULL) {
  77                 unlink(viewer->filename);
  78                 g_free(viewer->filename);
  79         }
  80
  81         viewer->filename = procmime_get_tmp_file_name(partinfo);
  82
  83         if (!(procmime_get_part(viewer->filename, partinfo) < 0)) {
  84                 gchar *cmd;
  85
  86                 if (viewer->socket)
  87                         gtk_widget_destroy(viewer->socket);
  88                 viewer->socket = gtk_socket_new();
  89                 debug_print("Adding dillo socket %p", viewer->socket);
  90                 gtk_container_add(GTK_CONTAINER(viewer->widget),
  91                                   viewer->socket);
  92                 gtk_widget_realize(viewer->socket);
  93                 gtk_widget_show(viewer->socket);
  94                 gtk_signal_connect(GTK_OBJECT(viewer->socket),
  95                                    "destroy",
  96                                    GTK_SIGNAL_FUNC(socket_destroy_cb),
  97                                    viewer);
  98
  99                 cmd = g_strdup_printf("dillo %s%s-x %d \"%s\"",
 100                                       (dillo_prefs.local ? "-l " : ""),
 101                                       (dillo_prefs.full ? "-f " : ""),
 102                                       (gint) GDK_WINDOW_XWINDOW(viewer->socket->window),
 103                                       viewer->filename);
 104
 105                 execute_command_line(cmd, TRUE);
 106                 g_free(cmd);
 107         }
 108 }
 109
 110 static void dillo_clear_viewer(MimeViewer *_viewer)
 111 {
 112         DilloViewer *viewer = (DilloViewer *) _viewer;
 113
 114         debug_print("dillo_clear_viewer\n");
 115         debug_print("Removing dillo socket %p\n", viewer->socket);
 116
 117         if (viewer->socket) {
 118                 gtk_widget_destroy(viewer->socket);
 119         }
 120 }
 121
 122 static void dillo_destroy_viewer(MimeViewer *_viewer)
 123 {
 124         DilloViewer *viewer = (DilloViewer *) _viewer;
 125
 126         debug_print("dillo_destroy_viewer\n");
 127
 128         gtk_widget_unref(GTK_WIDGET(viewer->widget));
 129         unlink(viewer->filename);
 130         g_free(viewer->filename);
 131         g_free(viewer);
 132 }
 133
 134 static MimeViewer *dillo_viewer_create(void)
 135 {
 136         DilloViewer *viewer;
 137
 138         debug_print("dillo_viewer_create\n");
 139
 140         viewer = g_new0(DilloViewer, 1);
 141         viewer->mimeviewer.factory = &dillo_viewer_factory;
 142         viewer->mimeviewer.get_widget = dillo_get_widget;
 143         viewer->mimeviewer.show_mimepart = dillo_show_mimepart;
 144         viewer->mimeviewer.clear_viewer = dillo_clear_viewer;
 145         viewer->mimeviewer.destroy_viewer = dillo_destroy_viewer;
 146         viewer->widget = gtk_event_box_new();
 147
 148         gtk_widget_show(viewer->widget);
 149         gtk_widget_ref(viewer->widget);
 150
 151         viewer->filename = NULL;
 152
 153         return (MimeViewer *) viewer;
 154 }
 155
 156 static gchar *content_types[] =
 157         {"text/html", NULL};
 158
 159 static MimeViewerFactory dillo_viewer_factory =
 160 {
 161         content_types,
 162         0,
 163
 164         dillo_viewer_create
 165 };
 166
 167 gint plugin_init(gchar **error)
 168 {
 169         if ((sylpheed_get_version() > VERSION_NUMERIC)) {
 170                 *error = g_strdup("Your sylpheed version is newer than the version the plugin was built with");
 171                 return -1;
 172         }
 173
 174         if ((sylpheed_get_version() < MAKE_NUMERIC_VERSION(0, 9, 3, 86))) {
 175                 *error = g_strdup("Your sylpheed version is too old");
 176                 return -1;
 177         }
 178
 179         dillo_prefs_init();
 180
 181         mimeview_register_viewer_factory(&dillo_viewer_factory);
 182
 183         return 0;
 184 }
 185
 186 void plugin_done(void)
 187 {
 188         mimeview_unregister_viewer_factory(&dillo_viewer_factory);
 189
 190         dillo_prefs_done();
 191 }
 192
 193 const gchar *plugin_name(void)
 194 {
 195         return _("Dillo HTML Viewer");
 196 }
 197
 198 const gchar *plugin_desc(void)
 199 {
 200         return _("This plugin renders HTML mail using the Dillo "
 201                 "web browser.");
 202 }
 203
 204 const gchar *plugin_type(void)
 205 {
 206         return "GTK";
 207 }