src/plugins/dillo_viewer/dillo_viewer.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 <glib/gi18n.h>
  28 #include <gtk/gtk.h>
  29 #include <gdk/gdkx.h>
  30
  31 #include "common/sylpheed.h"
  32 #include "common/version.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                 g_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                 g_signal_connect(G_OBJECT(viewer->socket), "destroy",
  95                                  G_CALLBACK(socket_destroy_cb), 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         g_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 gchar *content_types[] =
 155         {"text/html", NULL};
 156
 157 static MimeViewerFactory dillo_viewer_factory =
 158 {
 159         content_types,
 160         0,
 161
 162         dillo_viewer_create
 163 };
 164
 165 gint plugin_init(gchar **error)
 166 {
 167         if ((sylpheed_get_version() > VERSION_NUMERIC)) {
 168                 *error = g_strdup("Your version of Sylpheed-Claws is newer than the version the Dillo plugin was built with");
 169                 return -1;
 170         }
 171
 172         if ((sylpheed_get_version() < MAKE_NUMERIC_VERSION(0, 9, 3, 86))) {
 173                 *error = g_strdup("Your version of Sylpheed-Claws is too old for the Dillo plugin");
 174                 return -1;
 175         }
 176
 177         dillo_prefs_init();
 178
 179         mimeview_register_viewer_factory(&dillo_viewer_factory);
 180
 181         return 0;
 182 }
 183
 184 void plugin_done(void)
 185 {
 186         mimeview_unregister_viewer_factory(&dillo_viewer_factory);
 187
 188         dillo_prefs_done();
 189 }
 190
 191 const gchar *plugin_name(void)
 192 {
 193         return _("Dillo HTML Viewer");
 194 }
 195
 196 const gchar *plugin_desc(void)
 197 {
 198         return _("This plugin renders HTML mail using the Dillo "
 199                 "web browser.\n"
 200                 "\n"
 201                 "Options can be found in /Configuration/Preferences/Plugins/Dillo Browser");
 202 }
 203
 204 const gchar *plugin_type(void)
 205 {
 206         return "GTK2";
 207 }
 208
 209 const gchar *plugin_licence(void)
 210 {
 211         return "GPL";
 212 }
 213
 214 const gchar *plugin_version(void)
 215 {
 216         return VERSION;
 217 }