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dbus: Use hooks for default sink and source changes

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[Fixes by David Henningsson <david.henningsson@canonical.com>]
This commit is contained in:
Juho Hämäläinen 2015-03-19 13:50:50 +02:00 • committed by David Henningsson
parent 3bb69ebfc2
commit 42eac216cf
1 changed files with 84 additions and 62 deletions
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146
src/modules/dbus/iface-core.c
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@ -109,6 +109,8 @@ struct pa_dbusiface_core {
pa_sink *fallback_sink;
pa_source *fallback_source;
pa_hook_slot *default_sink_changed_slot;
pa_hook_slot *default_source_changed_slot;
pa_hook_slot *card_put_slot;
pa_hook_slot *card_unlink_slot;
pa_hook_slot *sink_input_put_slot;
@ -1576,76 +1578,14 @@ static void handle_stop_listening_for_signal(DBusConnection *conn, DBusMessage *
static void subscription_cb(pa_core *core, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
pa_dbusiface_core *c = userdata;
pa_dbusiface_device *device_iface = NULL;
pa_dbusiface_sample *sample_iface = NULL;
pa_dbusiface_module *module_iface = NULL;
DBusMessage *signal_msg = NULL;
const char *object_path = NULL;
pa_sink *new_fallback_sink = NULL;
pa_source *new_fallback_source = NULL;
pa_assert(c);
switch (t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) {
case PA_SUBSCRIPTION_EVENT_SERVER:
new_fallback_sink = pa_namereg_get_default_sink(core);
new_fallback_source = pa_namereg_get_default_source(core);
if (c->fallback_sink != new_fallback_sink) {
if (c->fallback_sink)
pa_sink_unref(c->fallback_sink);
c->fallback_sink = new_fallback_sink ? pa_sink_ref(new_fallback_sink) : NULL;
if (c->fallback_sink) {
pa_assert_se(device_iface = pa_hashmap_get(c->sinks_by_index, PA_UINT32_TO_PTR(c->fallback_sink->index)));
object_path = pa_dbusiface_device_get_path(device_iface);
pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
PA_DBUS_CORE_INTERFACE,
signals[SIGNAL_FALLBACK_SINK_UPDATED].name)));
pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
dbus_message_unref(signal_msg);
signal_msg = NULL;
} else {
pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
PA_DBUS_CORE_INTERFACE,
signals[SIGNAL_FALLBACK_SINK_UNSET].name)));
pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
dbus_message_unref(signal_msg);
signal_msg = NULL;
}
}
if (c->fallback_source != new_fallback_source) {
if (c->fallback_source)
pa_source_unref(c->fallback_source);
c->fallback_source = new_fallback_source ? pa_source_ref(new_fallback_source) : NULL;
if (c->fallback_source) {
pa_assert_se(device_iface = pa_hashmap_get(c->sources_by_index, PA_UINT32_TO_PTR(c->fallback_source->index)));
object_path = pa_dbusiface_device_get_path(device_iface);
pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
PA_DBUS_CORE_INTERFACE,
signals[SIGNAL_FALLBACK_SOURCE_UPDATED].name)));
pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
dbus_message_unref(signal_msg);
signal_msg = NULL;
} else {
pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
PA_DBUS_CORE_INTERFACE,
signals[SIGNAL_FALLBACK_SOURCE_UNSET].name)));
pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
dbus_message_unref(signal_msg);
signal_msg = NULL;
}
}
break;
case PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE:
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_NEW) {
pa_scache_entry *sample = NULL;
@ -1721,6 +1661,82 @@ static void subscription_cb(pa_core *core, pa_subscription_event_type_t t, uint3
}
}
static pa_hook_result_t default_sink_changed_cb(void *hook_data, void *call_data, void *slot_data) {
pa_dbusiface_core *c = slot_data;
pa_sink *new_fallback_sink = call_data;
pa_dbusiface_device *device_iface;
const char *object_path;
DBusMessage *signal_msg = NULL;
pa_assert(c);
if (c->fallback_sink != new_fallback_sink) {
if (c->fallback_sink)
pa_sink_unref(c->fallback_sink);
c->fallback_sink = new_fallback_sink ? pa_sink_ref(new_fallback_sink) : NULL;
if (c->fallback_sink) {
pa_assert_se((device_iface = pa_hashmap_get(c->sinks_by_index, PA_UINT32_TO_PTR(c->fallback_sink->index))));
object_path = pa_dbusiface_device_get_path(device_iface);
pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
PA_DBUS_CORE_INTERFACE,
signals[SIGNAL_FALLBACK_SINK_UPDATED].name)));
pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
} else {
pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
PA_DBUS_CORE_INTERFACE,
signals[SIGNAL_FALLBACK_SINK_UNSET].name)));
}
}
if (signal_msg) {
pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
dbus_message_unref(signal_msg);
}
return PA_HOOK_OK;
}
static pa_hook_result_t default_source_changed_cb(void *hook_data, void *call_data, void *slot_data) {
pa_dbusiface_core *c = slot_data;
pa_source *new_fallback_source = call_data;
pa_dbusiface_device *device_iface;
const char *object_path;
DBusMessage *signal_msg = NULL;
pa_assert(c);
if (c->fallback_source != new_fallback_source) {
if (c->fallback_source)
pa_source_unref(c->fallback_source);
c->fallback_source = new_fallback_source ? pa_source_ref(new_fallback_source) : NULL;
if (c->fallback_source) {
pa_assert_se((device_iface = pa_hashmap_get(c->sources_by_index, PA_UINT32_TO_PTR(c->fallback_source->index))));
object_path = pa_dbusiface_device_get_path(device_iface);
pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
PA_DBUS_CORE_INTERFACE,
signals[SIGNAL_FALLBACK_SOURCE_UPDATED].name)));
pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
} else {
pa_assert_se((signal_msg = dbus_message_new_signal(PA_DBUS_CORE_OBJECT_PATH,
PA_DBUS_CORE_INTERFACE,
signals[SIGNAL_FALLBACK_SOURCE_UNSET].name)));
}
}
if (signal_msg) {
pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
dbus_message_unref(signal_msg);
}
return PA_HOOK_OK;
}
static pa_hook_result_t card_put_cb(void *hook_data, void *call_data, void *slot_data) {
pa_dbusiface_core *c = slot_data;
pa_card *card = call_data;
@ -2114,6 +2130,10 @@ pa_dbusiface_core *pa_dbusiface_core_new(pa_core *core) {
c->clients = pa_hashmap_new_full(pa_idxset_trivial_hash_func, pa_idxset_trivial_compare_func, NULL, (pa_free_cb_t) pa_dbusiface_client_free);
c->fallback_sink = pa_namereg_get_default_sink(core);
c->fallback_source = pa_namereg_get_default_source(core);
c->default_sink_changed_slot = pa_hook_connect(&core->hooks[PA_CORE_HOOK_DEFAULT_SINK_CHANGED],
PA_HOOK_NORMAL, default_sink_changed_cb, c);
c->default_source_changed_slot = pa_hook_connect(&core->hooks[PA_CORE_HOOK_DEFAULT_SOURCE_CHANGED],
PA_HOOK_NORMAL, default_source_changed_cb, c);
c->card_put_slot = pa_hook_connect(&core->hooks[PA_CORE_HOOK_CARD_PUT],
PA_HOOK_NORMAL, card_put_cb, c);
c->card_unlink_slot = pa_hook_connect(&core->hooks[PA_CORE_HOOK_CARD_UNLINK],
@ -2204,6 +2224,8 @@ void pa_dbusiface_core_free(pa_dbusiface_core *c) {
pa_hashmap_free(c->samples);
pa_hashmap_free(c->modules);
pa_hashmap_free(c->clients);
pa_hook_slot_free(c->default_sink_changed_slot);
pa_hook_slot_free(c->default_source_changed_slot);
pa_hook_slot_free(c->card_put_slot);
pa_hook_slot_free(c->card_unlink_slot);
pa_hook_slot_free(c->sink_input_put_slot);