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
|
/*
* Copyright (C) 2011 Collabora Ltd.
*
* The code contained in this file 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 file 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 code; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors: Emilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>
*/
#include "config.h"
#include <glib/gi18n-lib.h>
#include <gtk/gtk.h>
#include <pulse/pulseaudio.h>
#include <telepathy-glib/telepathy-glib.h>
#include "empathy-call-utils.h"
#include <libempathy/empathy-gsettings.h>
#include <libempathy/empathy-request-util.h>
#define DEBUG_FLAG EMPATHY_DEBUG_OTHER
#include <libempathy/empathy-debug.h>
static const gchar *
get_error_display_message (GError *error)
{
if (error->domain != TP_ERROR)
return _("There was an error starting the call");
switch (error->code)
{
case TP_ERROR_NETWORK_ERROR:
return _("Network error");
case TP_ERROR_NOT_CAPABLE:
return _("The specified contact doesn't support calls");
case TP_ERROR_OFFLINE:
return _("The specified contact is offline");
case TP_ERROR_INVALID_HANDLE:
return _("The specified contact is not valid");
case TP_ERROR_EMERGENCY_CALLS_NOT_SUPPORTED:
return _("Emergency calls are not supported on this protocol");
case TP_ERROR_INSUFFICIENT_BALANCE:
return _("You don't have enough credit in order to place this call");
}
return _("There was an error starting the call");
}
static void
show_call_error (GError *error)
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (NULL, 0,
GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
"%s", get_error_display_message (error));
g_signal_connect_swapped (dialog, "response",
G_CALLBACK (gtk_widget_destroy),
dialog);
gtk_widget_show (dialog);
}
GHashTable *
empathy_call_create_call_request (const gchar *contact,
gboolean initial_audio,
gboolean initial_video)
{
return tp_asv_new (
TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
TP_IFACE_CHANNEL_TYPE_CALL,
TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
TP_HANDLE_TYPE_CONTACT,
TP_PROP_CHANNEL_TARGET_ID, G_TYPE_STRING,
contact,
TP_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, G_TYPE_BOOLEAN,
initial_audio,
TP_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, G_TYPE_BOOLEAN,
initial_video,
NULL);
}
static void
create_call_channel_cb (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
GError *error = NULL;
if (tp_account_channel_request_create_channel_finish (
TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error))
return;
DEBUG ("Failed to create Call channel: %s", error->message);
show_call_error (error);
}
/* Try to request a Call channel and fallback to StreamedMedia if that fails */
static void
call_new_with_streams (const gchar *contact,
TpAccount *account,
gboolean initial_audio,
gboolean initial_video,
gint64 timestamp)
{
GHashTable *call_request;
TpAccountChannelRequest *call_req;
/* Call */
call_request = empathy_call_create_call_request (contact,
initial_audio,
initial_video);
call_req = tp_account_channel_request_new (account, call_request, timestamp);
g_hash_table_unref (call_request);
tp_account_channel_request_create_channel_async (call_req,
EMPATHY_CALL_BUS_NAME, NULL, create_call_channel_cb, NULL);
g_object_unref (call_req);
}
void
empathy_call_new_with_streams (const gchar *contact,
TpAccount *account,
gboolean initial_audio,
gboolean initial_video,
gint64 timestamp)
{
call_new_with_streams (contact, account, initial_audio, initial_video,
timestamp);
}
/* Copied from telepathy-yell call-channel.c */
void
empathy_call_channel_send_video (TpCallChannel *self,
gboolean send)
{
GPtrArray *contents;
gboolean found = FALSE;
guint i;
g_return_if_fail (TP_IS_CALL_CHANNEL (self));
/* Loop over all the contents, if some of them a video set all their
* streams to sending, otherwise request a video channel in case we want to
* sent */
contents = tp_call_channel_get_contents (self);
for (i = 0 ; i < contents->len ; i++)
{
TpCallContent *content = g_ptr_array_index (contents, i);
if (tp_call_content_get_media_type (content) ==
TP_MEDIA_STREAM_TYPE_VIDEO)
{
GPtrArray *streams;
guint j;
found = TRUE;
streams = tp_call_content_get_streams (content);
for (j = 0; j < streams->len; j++)
{
TpCallStream *stream = g_ptr_array_index (streams, j);
tp_call_stream_set_sending_async (stream, send, NULL, NULL);
}
}
}
if (send && !found)
{
tp_call_channel_add_content_async (self, "video",
TP_MEDIA_STREAM_TYPE_VIDEO, TP_MEDIA_STREAM_DIRECTION_BIDIRECTIONAL,
NULL, NULL);
}
}
/* Copied from telepathy-yell call-channel.c */
TpSendingState
empathy_call_channel_get_video_state (TpCallChannel *self)
{
TpSendingState result = TP_SENDING_STATE_NONE;
GPtrArray *contents;
guint i;
g_return_val_if_fail (TP_IS_CALL_CHANNEL (self), TP_SENDING_STATE_NONE);
contents = tp_call_channel_get_contents (self);
for (i = 0 ; i < contents->len ; i++)
{
TpCallContent *content = g_ptr_array_index (contents, i);
if (tp_call_content_get_media_type (content) ==
TP_MEDIA_STREAM_TYPE_VIDEO)
{
GPtrArray *streams;
guint j;
streams = tp_call_content_get_streams (content);
for (j = 0; j < streams->len; j++)
{
TpCallStream *stream = g_ptr_array_index (streams, j);
TpSendingState state;
state = tp_call_stream_get_local_sending_state (stream);
if (state != TP_SENDING_STATE_PENDING_STOP_SENDING &&
state > result)
result = state;
}
}
}
return result;
}
|
