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