1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
/*
* © 2009, Collabora Ltd
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors: Arnaud Maillet <arnaud.maillet@collabora.co.uk>
*/
#include <gtk/gtk.h>
#include <dbus/dbus-glib.h>
#include <telepathy-glib/util.h>
#include <telepathy-glib/contact.h>
#define DEBUG_FLAG EMPATHY_DEBUG_SHARE_DESKTOP
#include <libempathy/empathy-debug.h>
#include "empathy-share-my-desktop.h"
#define DBUS_SERVICE "org.gnome.Vino"
#define DBUS_INTERFACE "org.gnome.VinoScreen"
typedef struct {
TpContact *contact;
TpChannel *channel;
gulong signal_invalidated_id;
} EmpathyShareMyDesktopPrivate;
static void
empathy_share_my_desktop_tube_invalidated (TpProxy *channel,
guint domain,
gint code,
gchar *message,
gpointer object)
{
EmpathyShareMyDesktopPrivate *data = (EmpathyShareMyDesktopPrivate *) object;
DEBUG ("Tube is invalidated");
g_signal_handler_disconnect (G_OBJECT (data->channel),
data->signal_invalidated_id);
if (data->channel != NULL)
{
g_object_unref (data->channel);
data->channel = NULL;
}
g_slice_free (EmpathyShareMyDesktopPrivate, data);
}
static void
empathy_share_my_desktop_channel_ready (TpChannel *channel,
const GError *error_failed,
gpointer object)
{
EmpathyShareMyDesktopPrivate *data = (EmpathyShareMyDesktopPrivate *) object;
TpConnection *connection;
gchar * connection_path;
gchar * tube_path;
DBusGConnection *dbus_g_connection;
GHashTable *channel_properties;
DBusGProxy *proxy;
GError *error = NULL;
GdkScreen *screen;
gchar *obj_path;
GtkWidget *window;
if (channel == NULL)
{
DEBUG ("The channel is not ready: %s", error_failed->message);
return;
}
data->channel = channel;
data->signal_invalidated_id = g_signal_connect (G_OBJECT (channel),
"invalidated", G_CALLBACK (empathy_share_my_desktop_tube_invalidated),
data);
dbus_g_connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
if (dbus_g_connection == NULL)
{
DEBUG ("Failed to open connection to bus: %s", error->message);
g_clear_error (&error);
return;
}
screen = gdk_screen_get_default ();
obj_path = g_strdup_printf ("/org/gnome/vino/screens/%d",
gdk_screen_get_number (screen));
proxy = dbus_g_proxy_new_for_name (dbus_g_connection, DBUS_SERVICE,
obj_path, DBUS_INTERFACE);
connection = tp_channel_borrow_connection (channel);
g_object_get (connection, "object-path", &connection_path, NULL);
DEBUG ("connection path : %s", connection_path);
g_object_get (channel, "object-path", &tube_path, "channel-properties",
&channel_properties, NULL);
DEBUG ("tube path : %s", tube_path);
if (!dbus_g_proxy_call (proxy, "ShareWithTube", &error,
DBUS_TYPE_G_OBJECT_PATH, connection_path,
DBUS_TYPE_G_OBJECT_PATH, tube_path,
dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE),
channel_properties,
G_TYPE_INVALID, G_TYPE_INVALID))
{
window = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL,
GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
"Vino doesn't support telepathy");
gtk_dialog_run (GTK_DIALOG (window));
gtk_widget_destroy (window);
DEBUG ("Failed to request name: %s",
error ? error->message : "No error given");
g_clear_error (&error);
}
g_hash_table_unref (channel_properties);
g_free (connection_path);
g_free (tube_path);
g_free (obj_path);
g_object_unref (proxy);
}
static void
empathy_share_my_desktop_create_channel_cb (TpConnection *connection,
const gchar *object_path,
GHashTable *channel_properties,
const GError *error_failed,
gpointer user_data,
GObject *object)
{
EmpathyShareMyDesktopPrivate *data = (EmpathyShareMyDesktopPrivate *)
user_data;
TpChannel *channel;
GError *error = NULL;
if (object_path == NULL)
{
DEBUG ("CreateChannel failed: %s", error_failed->message);
return;
}
DEBUG ("Offering a new stream tube");
channel = tp_channel_new_from_properties (connection, object_path,
channel_properties, &error);
if (channel == NULL)
{
DEBUG ("Error requesting channel: %s", error->message);
g_clear_error (&error);
return;
}
tp_channel_call_when_ready (channel,
empathy_share_my_desktop_channel_ready, data);
}
static void
empathy_share_my_desktop_connection_ready (TpConnection *connection,
const GError *error,
gpointer object)
{
EmpathyShareMyDesktopPrivate *data = (EmpathyShareMyDesktopPrivate *) object;
GHashTable *request;
GValue *value;
if (connection == NULL)
{
DEBUG ("The connection is not ready: %s", error->message);
return;
}
request = g_hash_table_new_full (g_str_hash, g_str_equal, NULL,
(GDestroyNotify) tp_g_value_slice_free);
/* org.freedesktop.Telepathy.Channel.ChannelType */
value = tp_g_value_slice_new_static_string
(TP_IFACE_CHANNEL_TYPE_STREAM_TUBE);
g_hash_table_insert (request, TP_IFACE_CHANNEL ".ChannelType", value);
/* org.freedesktop.Telepathy.Channel.TargetHandleType */
value = tp_g_value_slice_new_uint (TP_HANDLE_TYPE_CONTACT);
g_hash_table_insert (request, TP_IFACE_CHANNEL ".TargetHandleType", value);
/* org.freedesktop.Telepathy.Channel.TargetHandleType */
value = tp_g_value_slice_new_uint (tp_contact_get_handle
(data->contact));
g_hash_table_insert (request, TP_IFACE_CHANNEL ".TargetHandle", value);
/* org.freedesktop.Telepathy.Channel.Type.StreamTube.Service */
value = tp_g_value_slice_new_static_string ("x_vnc");
g_hash_table_insert (request,
TP_IFACE_CHANNEL_TYPE_STREAM_TUBE ".Service",
value);
tp_cli_connection_interface_requests_call_create_channel
(connection, -1, request, empathy_share_my_desktop_create_channel_cb,
data, NULL, NULL);
g_hash_table_destroy (request);
}
void
empathy_share_my_desktop_share_with_contact (EmpathyContact *contact)
{
TpConnection *connection;
EmpathyShareMyDesktopPrivate *data;
data = g_slice_new (EmpathyShareMyDesktopPrivate);
data->contact = empathy_contact_get_tp_contact (contact);
DEBUG ("Creation of ShareMyDesktop");
if (!TP_IS_CONTACT (data->contact))
{
DEBUG ("It's not a tp contact");
return;
}
connection = tp_contact_get_connection (data->contact);
tp_connection_call_when_ready (connection,
empathy_share_my_desktop_connection_ready, data);
}
|
