src/plugins/dillo_viewer/dillo_viewer.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 the Claws Mail 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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  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/claws.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 #define PLUGIN_NAME (_("Dillo HTML Viewer"))
  40
  41 typedef struct _DilloViewer DilloViewer;
  42
  43 struct _DilloViewer
  44 {
  45         MimeViewer       mimeviewer;
  46         GtkWidget       *widget;
  47         GtkWidget       *socket;
  48         gchar           *filename;
  49 };
  50
  51 static MimeViewerFactory dillo_viewer_factory;
  52
  53 static GtkWidget *dillo_get_widget(MimeViewer *_viewer)
  54 {
  55         DilloViewer *viewer = (DilloViewer *) _viewer;
  56
  57         debug_print("dillo_get_widget\n");
  58
  59         return GTK_WIDGET(viewer->widget);
  60 }
  61
  62 static gboolean socket_destroy_cb(GtkObject *object, gpointer data)
  63 {
  64         DilloViewer *viewer = (DilloViewer *) data;
  65         debug_print("Destroyed dillo socket %p\n", viewer->socket);
  66         viewer->socket = NULL;
  67         return FALSE;
  68 }
  69
  70 static void dillo_show_mimepart(MimeViewer *_viewer,
  71                                 const gchar *infile,
  72                                 MimeInfo *partinfo)
  73 {
  74         DilloViewer *viewer = (DilloViewer *) _viewer;
  75
  76         debug_print("dillo_show_mimepart\n");
  77
  78         if (viewer->filename != NULL) {
  79                 g_unlink(viewer->filename);
  80                 g_free(viewer->filename);
  81         }
  82
  83         viewer->filename = procmime_get_tmp_file_name(partinfo);
  84
  85         if (!(procmime_get_part(viewer->filename, partinfo) < 0)) {
  86                 gchar *cmd;
  87
  88                 if (viewer->socket)
  89                         gtk_widget_destroy(viewer->socket);
  90                 viewer->socket = gtk_socket_new();
  91                 debug_print("Adding dillo socket %p", viewer->socket);
  92                 gtk_container_add(GTK_CONTAINER(viewer->widget),
  93                                   viewer->socket);
  94                 gtk_widget_realize(viewer->socket);
  95                 gtk_widget_show(viewer->socket);
  96                 g_signal_connect(G_OBJECT(viewer->socket), "destroy",
  97                                  G_CALLBACK(socket_destroy_cb), 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         g_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->mimeviewer.get_selection = NULL;
 147         viewer->widget = gtk_event_box_new();
 148
 149         gtk_widget_show(viewer->widget);
 150         gtk_widget_ref(viewer->widget);
 151
 152         viewer->filename = NULL;
 153
 154         return (MimeViewer *) viewer;
 155 }
 156
 157 static gchar *content_types[] =
 158         {"text/html", NULL};
 159
 160 static MimeViewerFactory dillo_viewer_factory =
 161 {
 162         content_types,
 163         0,
 164
 165         dillo_viewer_create,
 166 };
 167
 168 gint plugin_init(gchar **error)
 169 {
 170         if (!check_plugin_version(MAKE_NUMERIC_VERSION(2,9,2,72),
 171                                 VERSION_NUMERIC, PLUGIN_NAME, error))
 172                 return -1;
 173
 174         dillo_prefs_init();
 175
 176         mimeview_register_viewer_factory(&dillo_viewer_factory);
 177
 178         return 0;
 179 }
 180
 181 gboolean plugin_done(void)
 182 {
 183         mimeview_unregister_viewer_factory(&dillo_viewer_factory);
 184
 185         dillo_prefs_done();
 186         return TRUE;
 187 }
 188
 189 const gchar *plugin_name(void)
 190 {
 191         return PLUGIN_NAME;
 192 }
 193
 194 const gchar *plugin_desc(void)
 195 {
 196         return _("This plugin renders HTML mail using the Dillo "
 197                 "web browser.\n"
 198                 "\n"
 199                 "Options can be found in /Configuration/Preferences/Plugins/Dillo Browser");
 200 }
 201
 202 const gchar *plugin_type(void)
 203 {
 204         return "GTK2";
 205 }
 206
 207 const gchar *plugin_licence(void)
 208 {
 209         return "GPL3+";
 210 }
 211
 212 const gchar *plugin_version(void)
 213 {
 214         return VERSION;
 215 }
 216
 217 struct PluginFeature *plugin_provides(void)
 218 {
 219         static struct PluginFeature features[] =
 220                 { {PLUGIN_MIMEVIEWER, N_("text/html")},
 221                   {PLUGIN_NOTHING, NULL}};
 222         return features;
 223 }