Adding upstream version 14.2.upstream/14.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 612 insertions, 0 deletions

diff --git a/src/modules/dbus/iface-card.c b/src/modules/dbus/iface-card.c
new file mode 100644
index 0000000..32e892a
--- /dev/null
+++ b/src/modules/dbus/iface-card.c
@@ -0,0 +1,612 @@
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2009 Tanu Kaskinen
+
+  PulseAudio 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.
+
+  PulseAudio 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
+  General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <dbus/dbus.h>
+
+#include <pulsecore/core-util.h>
+#include <pulsecore/dbus-util.h>
+#include <pulsecore/protocol-dbus.h>
+
+#include "iface-card-profile.h"
+
+#include "iface-card.h"
+
+#define OBJECT_NAME "card"
+
+static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_driver(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_owner_module(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_sinks(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_sources(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_profiles(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_active_profile(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_set_active_profile(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata);
+static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+static void handle_get_profile_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+struct pa_dbusiface_card {
+    pa_dbusiface_core *core;
+
+    pa_card *card;
+    char *path;
+    pa_hashmap *profiles;
+    uint32_t next_profile_index;
+    pa_card_profile *active_profile;
+    pa_proplist *proplist;
+
+    pa_hook_slot *card_profile_added_slot;
+    pa_hook_slot *card_profile_changed_slot;
+    pa_hook_slot *card_profile_available_slot;
+
+    pa_dbus_protocol *dbus_protocol;
+};
+
+enum property_handler_index {
+    PROPERTY_HANDLER_INDEX,
+    PROPERTY_HANDLER_NAME,
+    PROPERTY_HANDLER_DRIVER,
+    PROPERTY_HANDLER_OWNER_MODULE,
+    PROPERTY_HANDLER_SINKS,
+    PROPERTY_HANDLER_SOURCES,
+    PROPERTY_HANDLER_PROFILES,
+    PROPERTY_HANDLER_ACTIVE_PROFILE,
+    PROPERTY_HANDLER_PROPERTY_LIST,
+    PROPERTY_HANDLER_MAX
+};
+
+static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
+    [PROPERTY_HANDLER_INDEX]          = { .property_name = "Index",         .type = "u",      .get_cb = handle_get_index,          .set_cb = NULL },
+    [PROPERTY_HANDLER_NAME]           = { .property_name = "Name",          .type = "s",      .get_cb = handle_get_name,           .set_cb = NULL },
+    [PROPERTY_HANDLER_DRIVER]         = { .property_name = "Driver",        .type = "s",      .get_cb = handle_get_driver,         .set_cb = NULL },
+    [PROPERTY_HANDLER_OWNER_MODULE]   = { .property_name = "OwnerModule",   .type = "o",      .get_cb = handle_get_owner_module,   .set_cb = NULL },
+    [PROPERTY_HANDLER_SINKS]          = { .property_name = "Sinks",         .type = "ao",     .get_cb = handle_get_sinks,          .set_cb = NULL },
+    [PROPERTY_HANDLER_SOURCES]        = { .property_name = "Sources",       .type = "ao",     .get_cb = handle_get_sources,        .set_cb = NULL },
+    [PROPERTY_HANDLER_PROFILES]       = { .property_name = "Profiles",      .type = "ao",     .get_cb = handle_get_profiles,       .set_cb = NULL },
+    [PROPERTY_HANDLER_ACTIVE_PROFILE] = { .property_name = "ActiveProfile", .type = "o",      .get_cb = handle_get_active_profile, .set_cb = handle_set_active_profile },
+    [PROPERTY_HANDLER_PROPERTY_LIST]  = { .property_name = "PropertyList",  .type = "a{say}", .get_cb = handle_get_property_list,  .set_cb = NULL }
+};
+
+enum method_handler_index {
+    METHOD_HANDLER_GET_PROFILE_BY_NAME,
+    METHOD_HANDLER_MAX
+};
+
+static pa_dbus_arg_info get_profile_by_name_args[] = { { "name", "s", "in" }, { "profile", "o", "out" } };
+
+static pa_dbus_method_handler method_handlers[METHOD_HANDLER_MAX] = {
+    [METHOD_HANDLER_GET_PROFILE_BY_NAME] = {
+        .method_name = "GetProfileByName",
+        .arguments = get_profile_by_name_args,
+        .n_arguments = sizeof(get_profile_by_name_args) / sizeof(pa_dbus_arg_info),
+        .receive_cb = handle_get_profile_by_name }
+};
+
+enum signal_index {
+    SIGNAL_ACTIVE_PROFILE_UPDATED,
+    SIGNAL_NEW_PROFILE,
+    SIGNAL_PROFILE_AVAILABLE_CHANGED,
+    SIGNAL_PROPERTY_LIST_UPDATED,
+    SIGNAL_MAX
+};
+
+static pa_dbus_arg_info active_profile_updated_args[]    = { { "profile",       "o",      NULL } };
+static pa_dbus_arg_info new_profile_args[]               = { { "profile",       "o",      NULL } };
+static pa_dbus_arg_info profile_available_changed_args[] = { { "profile",       "o",      NULL },
+                                                             { "available",     "b",      NULL } };
+static pa_dbus_arg_info property_list_updated_args[]     = { { "property_list", "a{say}", NULL } };
+
+static pa_dbus_signal_info signals[SIGNAL_MAX] = {
+    [SIGNAL_ACTIVE_PROFILE_UPDATED]     = { .name = "ActiveProfileUpdated",     .arguments = active_profile_updated_args,    .n_arguments = 1 },
+    [SIGNAL_NEW_PROFILE]                = { .name = "NewProfile",               .arguments = new_profile_args,               .n_arguments = 1 },
+    [SIGNAL_PROFILE_AVAILABLE_CHANGED]  = { .name = "ProfileAvailableChanged",  .arguments = profile_available_changed_args, .n_arguments = 2 },
+    [SIGNAL_PROPERTY_LIST_UPDATED]      = { .name = "PropertyListUpdated",      .arguments = property_list_updated_args,     .n_arguments = 1 }
+};
+
+static pa_dbus_interface_info card_interface_info = {
+    .name = PA_DBUSIFACE_CARD_INTERFACE,
+    .method_handlers = method_handlers,
+    .n_method_handlers = METHOD_HANDLER_MAX,
+    .property_handlers = property_handlers,
+    .n_property_handlers = PROPERTY_HANDLER_MAX,
+    .get_all_properties_cb = handle_get_all,
+    .signals = signals,
+    .n_signals = SIGNAL_MAX
+};
+
+static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_card *c = userdata;
+    dbus_uint32_t idx;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(c);
+
+    idx = c->card->index;
+
+    pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &idx);
+}
+
+static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_card *c = userdata;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(c);
+
+    pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &c->card->name);
+}
+
+static void handle_get_driver(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_card *c = userdata;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(c);
+
+    pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &c->card->driver);
+}
+
+static void handle_get_owner_module(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_card *c = userdata;
+    const char *owner_module;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(c);
+
+    if (!c->card->module) {
+        pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "Card %s doesn't have an owner module.", c->card->name);
+        return;
+    }
+
+    owner_module = pa_dbusiface_core_get_module_path(c->core, c->card->module);
+
+    pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &owner_module);
+}
+
+/* The caller frees the array, but not the strings. */
+static const char **get_sinks(pa_dbusiface_card *c, unsigned *n) {
+    const char **sinks = NULL;
+    unsigned i = 0;
+    uint32_t idx = 0;
+    pa_sink *sink = NULL;
+
+    pa_assert(c);
+    pa_assert(n);
+
+    *n = pa_idxset_size(c->card->sinks);
+
+    if (*n == 0)
+        return NULL;
+
+    sinks = pa_xnew(const char *, *n);
+
+    PA_IDXSET_FOREACH(sink, c->card->sinks, idx) {
+        sinks[i] = pa_dbusiface_core_get_sink_path(c->core, sink);
+        ++i;
+    }
+
+    return sinks;
+}
+
+static void handle_get_sinks(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_card *c = userdata;
+    const char **sinks;
+    unsigned n_sinks;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(c);
+
+    sinks = get_sinks(c, &n_sinks);
+
+    pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, sinks, n_sinks);
+
+    pa_xfree(sinks);
+}
+
+/* The caller frees the array, but not the strings. */
+static const char **get_sources(pa_dbusiface_card *c, unsigned *n) {
+    const char **sources = NULL;
+    unsigned i = 0;
+    uint32_t idx = 0;
+    pa_source *source = NULL;
+
+    pa_assert(c);
+    pa_assert(n);
+
+    *n = pa_idxset_size(c->card->sources);
+
+    if (*n == 0)
+        return NULL;
+
+    sources = pa_xnew(const char *, *n);
+
+    PA_IDXSET_FOREACH(source, c->card->sources, idx) {
+        sources[i] = pa_dbusiface_core_get_source_path(c->core, source);
+        ++i;
+    }
+
+    return sources;
+}
+
+static void handle_get_sources(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_card *c = userdata;
+    const char **sources;
+    unsigned n_sources;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(c);
+
+    sources = get_sources(c, &n_sources);
+
+    pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, sources, n_sources);
+
+    pa_xfree(sources);
+}
+
+/* The caller frees the array, but not the strings. */
+static const char **get_profiles(pa_dbusiface_card *c, unsigned *n) {
+    const char **profiles;
+    unsigned i = 0;
+    void *state = NULL;
+    pa_dbusiface_card_profile *profile;
+
+    pa_assert(c);
+    pa_assert(n);
+
+    *n = pa_hashmap_size(c->profiles);
+
+    if (*n == 0)
+        return NULL;
+
+    profiles = pa_xnew(const char *, *n);
+
+    PA_HASHMAP_FOREACH(profile, c->profiles, state)
+        profiles[i++] = pa_dbusiface_card_profile_get_path(profile);
+
+    return profiles;
+}
+
+static void handle_get_profiles(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_card *c = userdata;
+    const char **profiles;
+    unsigned n_profiles;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(c);
+
+    profiles = get_profiles(c, &n_profiles);
+
+    pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, profiles, n_profiles);
+
+    pa_xfree(profiles);
+}
+
+static void handle_get_active_profile(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_card *c = userdata;
+    const char *active_profile;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(c);
+
+    active_profile = pa_dbusiface_card_profile_get_path(pa_hashmap_get(c->profiles, c->active_profile->name));
+    pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &active_profile);
+}
+
+static void handle_set_active_profile(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
+    pa_dbusiface_card *c = userdata;
+    const char *new_active_path;
+    pa_dbusiface_card_profile *profile;
+    void *state;
+    pa_dbusiface_card_profile *new_active = NULL;
+    int r;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(iter);
+    pa_assert(c);
+
+    dbus_message_iter_get_basic(iter, &new_active_path);
+
+    PA_HASHMAP_FOREACH(profile, c->profiles, state) {
+        if (pa_streq(pa_dbusiface_card_profile_get_path(profile), new_active_path)) {
+            new_active = profile;
+            break;
+        }
+    }
+
+    if (!new_active) {
+        pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "%s: No such profile.", new_active_path);
+        return;
+    }
+
+    if ((r = pa_card_set_profile(c->card, pa_dbusiface_card_profile_get_profile(new_active), true)) < 0) {
+        pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED,
+                           "Internal error in PulseAudio: pa_card_set_profile() failed with error code %i.", r);
+        return;
+    }
+
+    pa_dbus_send_empty_reply(conn, msg);
+}
+
+static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_card *c = userdata;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(c);
+
+    pa_dbus_send_proplist_variant_reply(conn, msg, c->proplist);
+}
+
+static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_card *c = userdata;
+    DBusMessage *reply = NULL;
+    DBusMessageIter msg_iter;
+    DBusMessageIter dict_iter;
+    dbus_uint32_t idx;
+    const char *owner_module = NULL;
+    const char **sinks = NULL;
+    unsigned n_sinks = 0;
+    const char **sources = NULL;
+    unsigned n_sources = 0;
+    const char **profiles = NULL;
+    unsigned n_profiles = 0;
+    const char *active_profile = NULL;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(c);
+
+    idx = c->card->index;
+    if (c->card->module)
+        owner_module = pa_dbusiface_core_get_module_path(c->core, c->card->module);
+    sinks = get_sinks(c, &n_sinks);
+    sources = get_sources(c, &n_sources);
+    profiles = get_profiles(c, &n_profiles);
+    active_profile = pa_dbusiface_card_profile_get_path(pa_hashmap_get(c->profiles, c->active_profile->name));
+
+    pa_assert_se((reply = dbus_message_new_method_return(msg)));
+
+    dbus_message_iter_init_append(reply, &msg_iter);
+    pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
+
+    pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_INDEX].property_name, DBUS_TYPE_UINT32, &idx);
+    pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_NAME].property_name, DBUS_TYPE_STRING, &c->card->name);
+    pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DRIVER].property_name, DBUS_TYPE_STRING, &c->card->driver);
+
+    if (owner_module)
+        pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_OWNER_MODULE].property_name, DBUS_TYPE_OBJECT_PATH, &owner_module);
+
+    pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SINKS].property_name, DBUS_TYPE_OBJECT_PATH, sinks, n_sinks);
+    pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SOURCES].property_name, DBUS_TYPE_OBJECT_PATH, sources, n_sources);
+    pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PROFILES].property_name, DBUS_TYPE_OBJECT_PATH, profiles, n_profiles);
+    pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_ACTIVE_PROFILE].property_name, DBUS_TYPE_OBJECT_PATH, &active_profile);
+
+    pa_dbus_append_proplist_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PROPERTY_LIST].property_name, c->proplist);
+
+    pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
+
+    pa_assert_se(dbus_connection_send(conn, reply, NULL));
+
+    dbus_message_unref(reply);
+
+    pa_xfree(sinks);
+    pa_xfree(sources);
+    pa_xfree(profiles);
+}
+
+static void handle_get_profile_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_card *c = userdata;
+    const char *profile_name = NULL;
+    pa_dbusiface_card_profile *profile = NULL;
+    const char *profile_path = NULL;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(c);
+
+    pa_assert_se(dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &profile_name, DBUS_TYPE_INVALID));
+
+    if (!(profile = pa_hashmap_get(c->profiles, profile_name))) {
+        pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "%s: No such profile on card %s.", profile_name, c->card->name);
+        return;
+    }
+
+    profile_path = pa_dbusiface_card_profile_get_path(profile);
+
+    pa_dbus_send_basic_value_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &profile_path);
+}
+
+static void check_card_proplist(pa_dbusiface_card *c) {
+    DBusMessage *signal_msg;
+
+    if (!pa_proplist_equal(c->proplist, c->card->proplist)) {
+        DBusMessageIter msg_iter;
+
+        pa_proplist_update(c->proplist, PA_UPDATE_SET, c->card->proplist);
+
+        pa_assert_se(signal_msg = dbus_message_new_signal(c->path,
+                                                          PA_DBUSIFACE_CARD_INTERFACE,
+                                                          signals[SIGNAL_PROPERTY_LIST_UPDATED].name));
+        dbus_message_iter_init_append(signal_msg, &msg_iter);
+        pa_dbus_append_proplist(&msg_iter, c->proplist);
+
+        pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
+        dbus_message_unref(signal_msg);
+    }
+}
+
+static pa_hook_result_t card_profile_changed_cb(void *hook_data, void *call_data, void *slot_data) {
+    pa_dbusiface_card *dbus_card = slot_data;
+    pa_card *core_card = call_data;
+    const char *object_path;
+    DBusMessage *signal_msg;
+
+    if (dbus_card->card != core_card)
+        return PA_HOOK_OK;
+
+    dbus_card->active_profile = dbus_card->card->active_profile;
+
+    object_path = pa_dbusiface_card_profile_get_path(pa_hashmap_get(dbus_card->profiles, dbus_card->active_profile->name));
+
+    pa_assert_se(signal_msg = dbus_message_new_signal(dbus_card->path,
+                                                      PA_DBUSIFACE_CARD_INTERFACE,
+                                                      signals[SIGNAL_ACTIVE_PROFILE_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(dbus_card->dbus_protocol, signal_msg);
+    dbus_message_unref(signal_msg);
+
+    check_card_proplist(dbus_card);
+
+    return PA_HOOK_OK;
+}
+
+static pa_hook_result_t card_profile_added_cb(void *hook_data, void *call_data, void *slot_data) {
+    pa_core *core = hook_data;
+    pa_dbusiface_card *c = slot_data;
+    pa_card_profile *profile = call_data;
+    pa_dbusiface_card_profile *p;
+    const char *object_path;
+    DBusMessage *signal_msg;
+
+    if (profile->card != c->card)
+        return PA_HOOK_OK;
+
+    p = pa_dbusiface_card_profile_new(c, core, profile, c->next_profile_index++);
+    pa_assert_se(pa_hashmap_put(c->profiles, (char *) pa_dbusiface_card_profile_get_name(p), p) >= 0);
+
+    /* Send D-Bus signal */
+    object_path = pa_dbusiface_card_profile_get_path(p);
+
+    pa_assert_se(signal_msg = dbus_message_new_signal(c->path,
+                                                      PA_DBUSIFACE_CARD_INTERFACE,
+                                                      signals[SIGNAL_NEW_PROFILE].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);
+
+    check_card_proplist(c);
+
+    return PA_HOOK_OK;
+}
+
+static pa_hook_result_t card_profile_available_changed_cb(void *hook_data, void *call_data, void *slot_data) {
+    pa_dbusiface_card *c = slot_data;
+    pa_card_profile *profile = call_data;
+    pa_dbusiface_card_profile *p;
+    const char *object_path;
+    dbus_bool_t available;
+    DBusMessage *signal_msg;
+
+    if (profile->card != c->card)
+        return PA_HOOK_OK;
+
+    pa_assert_se((p = pa_hashmap_get(c->profiles, profile->name)));
+
+    object_path = pa_dbusiface_card_profile_get_path(p);
+    available = profile->available != PA_AVAILABLE_NO;
+
+    pa_assert_se(signal_msg = dbus_message_new_signal(c->path,
+                                                      PA_DBUSIFACE_CARD_INTERFACE,
+                                                      signals[SIGNAL_PROFILE_AVAILABLE_CHANGED].name));
+    pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path,
+                                                      DBUS_TYPE_BOOLEAN, &available,
+                                                      DBUS_TYPE_INVALID));
+
+    pa_dbus_protocol_send_signal(c->dbus_protocol, signal_msg);
+    dbus_message_unref(signal_msg);
+
+    check_card_proplist(c);
+
+    return PA_HOOK_OK;
+}
+
+pa_dbusiface_card *pa_dbusiface_card_new(pa_dbusiface_core *core, pa_card *card) {
+    pa_dbusiface_card *c = NULL;
+    pa_card_profile *profile;
+    void *state;
+
+    pa_assert(core);
+    pa_assert(card);
+
+    c = pa_xnew0(pa_dbusiface_card, 1);
+    c->core = core;
+    c->card = card;
+    c->path = pa_sprintf_malloc("%s/%s%u", PA_DBUS_CORE_OBJECT_PATH, OBJECT_NAME, card->index);
+    c->profiles = pa_hashmap_new_full(pa_idxset_string_hash_func, pa_idxset_string_compare_func, NULL,
+                                      (pa_free_cb_t) pa_dbusiface_card_profile_free);
+    c->next_profile_index = 0;
+    c->active_profile = card->active_profile;
+    c->proplist = pa_proplist_copy(card->proplist);
+    c->dbus_protocol = pa_dbus_protocol_get(card->core);
+
+    PA_HASHMAP_FOREACH(profile, card->profiles, state) {
+        pa_dbusiface_card_profile *p = pa_dbusiface_card_profile_new(c, card->core, profile, c->next_profile_index++);
+        pa_hashmap_put(c->profiles, (char *) pa_dbusiface_card_profile_get_name(p), p);
+    }
+
+    pa_assert_se(pa_dbus_protocol_add_interface(c->dbus_protocol, c->path, &card_interface_info, c) >= 0);
+
+    c->card_profile_changed_slot = pa_hook_connect(&card->core->hooks[PA_CORE_HOOK_CARD_PROFILE_CHANGED], PA_HOOK_NORMAL,
+                                                   card_profile_changed_cb, c);
+    c->card_profile_added_slot = pa_hook_connect(&card->core->hooks[PA_CORE_HOOK_CARD_PROFILE_ADDED], PA_HOOK_NORMAL,
+                                                 card_profile_added_cb, c);
+    c->card_profile_available_slot = pa_hook_connect(&card->core->hooks[PA_CORE_HOOK_CARD_PROFILE_AVAILABLE_CHANGED], PA_HOOK_NORMAL,
+                                                     card_profile_available_changed_cb, c);
+
+    return c;
+}
+
+void pa_dbusiface_card_free(pa_dbusiface_card *c) {
+    pa_assert(c);
+
+    pa_assert_se(pa_dbus_protocol_remove_interface(c->dbus_protocol, c->path, card_interface_info.name) >= 0);
+
+    pa_hook_slot_free(c->card_profile_added_slot);
+    pa_hook_slot_free(c->card_profile_changed_slot);
+    pa_hook_slot_free(c->card_profile_available_slot);
+
+    pa_hashmap_free(c->profiles);
+    pa_proplist_free(c->proplist);
+    pa_dbus_protocol_unref(c->dbus_protocol);
+
+    pa_xfree(c->path);
+    pa_xfree(c);
+}
+
+const char *pa_dbusiface_card_get_path(pa_dbusiface_card *c) {
+    pa_assert(c);
+
+    return c->path;
+}