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 #include <unistd.h>
  21
  22 #include <glib.h>
  23 #include <gtk/gtk.h>
  24 #include <gdk/gdkx.h>
  25
  26 #include "common/plugin.h"
  27 #include "common/utils.h"
  28 #include "mimeview.h"
  29
  30 #include "dillo_prefs.h"
  31
  32 typedef struct _dilloViewer dilloViewer;
  33
  34 struct _dilloViewer
  35 {
  36         MimeViewer       mimeviewer;
  37         GtkWidget       *widget;
  38         GtkWidget       *socket;
  39         gchar           *filename;
  40 };
  41
  42 static MimeViewerFactory dillo_viewer_factory;
  43
  44 static GtkWidget *dillo_get_widget(MimeViewer *_viewer)
  45 {
  46         dilloViewer *viewer = (dilloViewer *) _viewer;
  47
  48         debug_print("dillo_get_widget\n");
  49
  50         return GTK_WIDGET(viewer->widget);
  51 }
  52
  53 static gboolean socket_destroy_cb(GtkObject *object, gpointer data)
  54 {
  55         dilloViewer *viewer = (dilloViewer *) data;
  56         debug_print("Destroyed dillo socket %p\n", viewer->socket);
  57         viewer->socket = NULL;
  58         return FALSE;
  59 }
  60
  61 static void dillo_show_mimepart(MimeViewer *_viewer,
  62                                 const gchar *infile,
  63                                 MimeInfo *partinfo)
  64 {
  65         dilloViewer *viewer = (dilloViewer *) _viewer;
  66
  67         debug_print("dillo_show_mimepart\n");
  68
  69         if (viewer->filename != NULL) {
  70                 unlink(viewer->filename);
  71                 g_free(viewer->filename);
  72         }
  73
  74         viewer->filename = procmime_get_tmp_file_name(partinfo);
  75
  76         if (!(procmime_get_part(viewer->filename, infile, partinfo) < 0)) {
  77                 gchar *cmd;
  78
  79                 if (viewer->socket)
  80                         gtk_widget_destroy(viewer->socket);
  81                 viewer->socket = gtk_socket_new();
  82                 debug_print("Adding dillo socket %p", viewer->socket);
  83                 gtk_container_add(GTK_CONTAINER(viewer->widget),
  84                                   viewer->socket);
  85                 gtk_widget_realize(viewer->socket);
  86                 gtk_widget_show(viewer->socket);
  87                 gtk_signal_connect(GTK_OBJECT(viewer->socket),
  88                                    "destroy",
  89                                    GTK_SIGNAL_FUNC(socket_destroy_cb),
  90                                    viewer);
  91
  92                 cmd = g_strdup_printf("dillo %s%s-x %d \"%s\"",
  93                                       (dillo_prefs.local ? "-l " : ""),
  94                                       (dillo_prefs.full ? "-f " : ""),
  95                                       (gint) GDK_WINDOW_XWINDOW(viewer->socket->window),
  96                                       viewer->filename);
  97
  98                 execute_command_line(cmd, TRUE);
  99                 g_free(cmd);
 100         }
 101 }
 102
 103 static void dillo_clear_viewer(MimeViewer *_viewer)
 104 {
 105         dilloViewer *viewer = (dilloViewer *) _viewer;
 106
 107         debug_print("dillo_clear_viewer\n");
 108         debug_print("Removing dillo socket %p\n", viewer->socket);
 109
 110         if (viewer->socket) {
 111                 gtk_widget_destroy(viewer->socket);
 112         }
 113 }
 114
 115 static void dillo_destroy_viewer(MimeViewer *_viewer)
 116 {
 117         dilloViewer *viewer = (dilloViewer *) _viewer;
 118
 119         debug_print("dillo_destroy_viewer\n");
 120
 121         gtk_widget_unref(GTK_WIDGET(viewer->widget));
 122         unlink(viewer->filename);
 123         g_free(viewer->filename);
 124         g_free(viewer);
 125 }
 126
 127 static MimeViewer *dillo_viewer_create(void)
 128 {
 129         dilloViewer *viewer;
 130
 131         debug_print("dillo_viewer_create\n");
 132
 133         viewer = g_new0(dilloViewer, 1);
 134         viewer->mimeviewer.factory = &dillo_viewer_factory;
 135         viewer->mimeviewer.get_widget = dillo_get_widget;
 136         viewer->mimeviewer.show_mimepart = dillo_show_mimepart;
 137         viewer->mimeviewer.clear_viewer = dillo_clear_viewer;
 138         viewer->mimeviewer.destroy_viewer = dillo_destroy_viewer;
 139         viewer->widget = gtk_event_box_new();
 140
 141         gtk_widget_show(viewer->widget);
 142         gtk_widget_ref(viewer->widget);
 143
 144         viewer->filename = NULL;
 145
 146         return (MimeViewer *) viewer;
 147 }
 148
 149 static MimeViewerFactory dillo_viewer_factory =
 150 {
 151         "text/html",
 152         0,
 153
 154         dillo_viewer_create
 155 };
 156
 157 gint plugin_init(gchar **error)
 158 {
 159         dillo_prefs_init();
 160
 161         mimeview_register_viewer_factory(&dillo_viewer_factory);
 162
 163         return 0;
 164 }
 165
 166 void plugin_done(void)
 167 {
 168         mimeview_unregister_viewer_factory(&dillo_viewer_factory);
 169
 170         dillo_prefs_done();
 171 }
 172
 173 const gchar *plugin_name(void)
 174 {
 175         return "Dillo HTML Viewer";
 176 }
 177
 178 const gchar *plugin_desc(void)
 179 {
 180         return "This plugin renders HTML mail using the Dillo "
 181                 "web browser.";
 182 }
 183
 184 const gchar *plugin_type(void)
 185 {
 186         return "GTK";
 187 }