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1 /***
2   This file is part of PulseAudio.
3 
4   Copyright 2009 Tanu Kaskinen
5 
6   PulseAudio is free software; you can redistribute it and/or modify
7   it under the terms of the GNU Lesser General Public License as published
8   by the Free Software Foundation; either version 2.1 of the License,
9   or (at your option) any later version.
10 
11   PulseAudio is distributed in the hope that it will be useful, but
12   WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14   General Public License for more details.
15 
16   You should have received a copy of the GNU Lesser General Public License
17   along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
18 ***/
19 
20 #ifdef HAVE_CONFIG_H
21 #include <config.h>
22 #endif
23 
24 #include <dbus/dbus.h>
25 
26 #include <pulsecore/core-util.h>
27 #include <pulsecore/dbus-util.h>
28 
29 #include "iface-card-profile.h"
30 
31 #define OBJECT_NAME "profile"
32 
33 static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata);
34 static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
35 static void handle_get_description(DBusConnection *conn, DBusMessage *msg, void *userdata);
36 static void handle_get_sinks(DBusConnection *conn, DBusMessage *msg, void *userdata);
37 static void handle_get_sources(DBusConnection *conn, DBusMessage *msg, void *userdata);
38 static void handle_get_priority(DBusConnection *conn, DBusMessage *msg, void *userdata);
39 static void handle_get_available(DBusConnection *conn, DBusMessage *msg, void *userdata);
40 
41 static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
42 
43 struct pa_dbusiface_card_profile {
44     uint32_t index;
45     pa_card_profile *profile;
46     char *path;
47     pa_dbus_protocol *dbus_protocol;
48 };
49 
50 enum property_handler_index {
51     PROPERTY_HANDLER_INDEX,
52     PROPERTY_HANDLER_NAME,
53     PROPERTY_HANDLER_DESCRIPTION,
54     PROPERTY_HANDLER_SINKS,
55     PROPERTY_HANDLER_SOURCES,
56     PROPERTY_HANDLER_PRIORITY,
57     PROPERTY_HANDLER_AVAILABLE,
58     PROPERTY_HANDLER_MAX
59 };
60 
61 static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
62     [PROPERTY_HANDLER_INDEX]       = { .property_name = "Index",       .type = "u", .get_cb = handle_get_index,       .set_cb = NULL },
63     [PROPERTY_HANDLER_NAME]        = { .property_name = "Name",        .type = "s", .get_cb = handle_get_name,        .set_cb = NULL },
64     [PROPERTY_HANDLER_DESCRIPTION] = { .property_name = "Description", .type = "s", .get_cb = handle_get_description, .set_cb = NULL },
65     [PROPERTY_HANDLER_SINKS]       = { .property_name = "Sinks",       .type = "u", .get_cb = handle_get_sinks,       .set_cb = NULL },
66     [PROPERTY_HANDLER_SOURCES]     = { .property_name = "Sources",     .type = "u", .get_cb = handle_get_sources,     .set_cb = NULL },
67     [PROPERTY_HANDLER_PRIORITY]    = { .property_name = "Priority",    .type = "u", .get_cb = handle_get_priority,    .set_cb = NULL },
68     [PROPERTY_HANDLER_AVAILABLE]   = { .property_name = "Available",   .type = "b", .get_cb = handle_get_available,   .set_cb = NULL },
69 };
70 
71 static pa_dbus_interface_info profile_interface_info = {
72     .name = PA_DBUSIFACE_CARD_PROFILE_INTERFACE,
73     .method_handlers = NULL,
74     .n_method_handlers = 0,
75     .property_handlers = property_handlers,
76     .n_property_handlers = PROPERTY_HANDLER_MAX,
77     .get_all_properties_cb = handle_get_all,
78     .signals = NULL,
79     .n_signals = 0
80 };
81 
handle_get_index(DBusConnection * conn,DBusMessage * msg,void * userdata)82 static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata) {
83     pa_dbusiface_card_profile *p = userdata;
84 
85     pa_assert(conn);
86     pa_assert(msg);
87     pa_assert(p);
88 
89     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &p->index);
90 }
91 
handle_get_name(DBusConnection * conn,DBusMessage * msg,void * userdata)92 static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
93     pa_dbusiface_card_profile *p = userdata;
94 
95     pa_assert(conn);
96     pa_assert(msg);
97     pa_assert(p);
98 
99     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &p->profile->name);
100 }
101 
handle_get_description(DBusConnection * conn,DBusMessage * msg,void * userdata)102 static void handle_get_description(DBusConnection *conn, DBusMessage *msg, void *userdata) {
103     pa_dbusiface_card_profile *p = userdata;
104 
105     pa_assert(conn);
106     pa_assert(msg);
107     pa_assert(p);
108 
109     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &p->profile->description);
110 }
111 
handle_get_sinks(DBusConnection * conn,DBusMessage * msg,void * userdata)112 static void handle_get_sinks(DBusConnection *conn, DBusMessage *msg, void *userdata) {
113     pa_dbusiface_card_profile *p = userdata;
114     dbus_uint32_t sinks = 0;
115 
116     pa_assert(conn);
117     pa_assert(msg);
118     pa_assert(p);
119 
120     sinks = p->profile->n_sinks;
121 
122     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &sinks);
123 }
124 
handle_get_sources(DBusConnection * conn,DBusMessage * msg,void * userdata)125 static void handle_get_sources(DBusConnection *conn, DBusMessage *msg, void *userdata) {
126     pa_dbusiface_card_profile *p = userdata;
127     dbus_uint32_t sources = 0;
128 
129     pa_assert(conn);
130     pa_assert(msg);
131     pa_assert(p);
132 
133     sources = p->profile->n_sources;
134 
135     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &sources);
136 }
137 
handle_get_priority(DBusConnection * conn,DBusMessage * msg,void * userdata)138 static void handle_get_priority(DBusConnection *conn, DBusMessage *msg, void *userdata) {
139     pa_dbusiface_card_profile *p = userdata;
140     dbus_uint32_t priority = 0;
141 
142     pa_assert(conn);
143     pa_assert(msg);
144     pa_assert(p);
145 
146     priority = p->profile->priority;
147 
148     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &priority);
149 }
150 
handle_get_available(DBusConnection * conn,DBusMessage * msg,void * userdata)151 static void handle_get_available(DBusConnection *conn, DBusMessage *msg, void *userdata) {
152     pa_dbusiface_card_profile *p = userdata;
153     dbus_bool_t available;
154 
155     pa_assert(conn);
156     pa_assert(msg);
157     pa_assert(p);
158 
159     available = p->profile->available != PA_AVAILABLE_NO;
160 
161     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &available);
162 }
163 
handle_get_all(DBusConnection * conn,DBusMessage * msg,void * userdata)164 static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
165     pa_dbusiface_card_profile *p = userdata;
166     DBusMessage *reply = NULL;
167     DBusMessageIter msg_iter;
168     DBusMessageIter dict_iter;
169     dbus_uint32_t sinks = 0;
170     dbus_uint32_t sources = 0;
171     dbus_uint32_t priority = 0;
172     dbus_bool_t available;
173 
174     pa_assert(conn);
175     pa_assert(msg);
176     pa_assert(p);
177 
178     sinks = p->profile->n_sinks;
179     sources = p->profile->n_sources;
180     priority = p->profile->priority;
181     available = p->profile->available != PA_AVAILABLE_NO;
182 
183     pa_assert_se((reply = dbus_message_new_method_return(msg)));
184 
185     dbus_message_iter_init_append(reply, &msg_iter);
186     pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
187 
188     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_INDEX].property_name, DBUS_TYPE_UINT32, &p->index);
189     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_NAME].property_name, DBUS_TYPE_STRING, &p->profile->name);
190     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DESCRIPTION].property_name, DBUS_TYPE_STRING, &p->profile->description);
191     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SINKS].property_name, DBUS_TYPE_UINT32, &sinks);
192     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SOURCES].property_name, DBUS_TYPE_UINT32, &sources);
193     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PRIORITY].property_name, DBUS_TYPE_UINT32, &priority);
194     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_AVAILABLE].property_name, DBUS_TYPE_BOOLEAN, &available);
195 
196     pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
197 
198     pa_assert_se(dbus_connection_send(conn, reply, NULL));
199     dbus_message_unref(reply);
200 }
201 
pa_dbusiface_card_profile_new(pa_dbusiface_card * card,pa_core * core,pa_card_profile * profile,uint32_t idx)202 pa_dbusiface_card_profile *pa_dbusiface_card_profile_new(
203         pa_dbusiface_card *card,
204         pa_core *core,
205         pa_card_profile *profile,
206         uint32_t idx) {
207     pa_dbusiface_card_profile *p = NULL;
208 
209     pa_assert(card);
210     pa_assert(core);
211     pa_assert(profile);
212 
213     p = pa_xnew(pa_dbusiface_card_profile, 1);
214     p->index = idx;
215     p->profile = profile;
216     p->path = pa_sprintf_malloc("%s/%s%u", pa_dbusiface_card_get_path(card), OBJECT_NAME, idx);
217     p->dbus_protocol = pa_dbus_protocol_get(core);
218 
219     pa_assert_se(pa_dbus_protocol_add_interface(p->dbus_protocol, p->path, &profile_interface_info, p) >= 0);
220 
221     return p;
222 }
223 
pa_dbusiface_card_profile_free(pa_dbusiface_card_profile * p)224 void pa_dbusiface_card_profile_free(pa_dbusiface_card_profile *p) {
225     pa_assert(p);
226 
227     pa_assert_se(pa_dbus_protocol_remove_interface(p->dbus_protocol, p->path, profile_interface_info.name) >= 0);
228 
229     pa_dbus_protocol_unref(p->dbus_protocol);
230 
231     pa_xfree(p->path);
232     pa_xfree(p);
233 }
234 
pa_dbusiface_card_profile_get_path(pa_dbusiface_card_profile * p)235 const char *pa_dbusiface_card_profile_get_path(pa_dbusiface_card_profile *p) {
236     pa_assert(p);
237 
238     return p->path;
239 }
240 
pa_dbusiface_card_profile_get_name(pa_dbusiface_card_profile * p)241 const char *pa_dbusiface_card_profile_get_name(pa_dbusiface_card_profile *p) {
242     pa_assert(p);
243 
244     return p->profile->name;
245 }
246 
pa_dbusiface_card_profile_get_profile(pa_dbusiface_card_profile * p)247 pa_card_profile *pa_dbusiface_card_profile_get_profile(pa_dbusiface_card_profile *p) {
248     pa_assert(p);
249 
250     return p->profile;
251 }
252