From f5e24369cac14a704852f27f12a9770c1eba3df5 Mon Sep 17 00:00:00 2001 From: Zhenhua Zhang Date: Sat, 26 Sep 2009 23:27:25 +0800 Subject: Add call volume interface to adjust speaker and mic volume --- src/call-volume.c | 366 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 366 insertions(+) create mode 100644 src/call-volume.c (limited to 'src/call-volume.c') diff --git a/src/call-volume.c b/src/call-volume.c new file mode 100644 index 00000000..9acee2b7 --- /dev/null +++ b/src/call-volume.c @@ -0,0 +1,366 @@ +/* + * + * oFono - Open Source Telephony + * + * Copyright (C) 2008-2009 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program 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 General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#define _GNU_SOURCE +#include +#include +#include +#include +#include + +#include + +#include +#include +#include + +#include +#include "ofono.h" +#include "common.h" + +#define CALL_VOLUME_INTERFACE OFONO_SERVICE ".CallVolume" + +#define CALL_VOLUME_FLAG_PENDING 0x1 + +static GSList *g_drivers = NULL; + +struct ofono_call_volume { + DBusMessage *pending; + const struct ofono_call_volume_driver *driver; + int flags; + void *driver_data; + struct ofono_atom *atom; + + unsigned char speaker_volume; + unsigned char microphone_volume; + + /* temp volume before it is accepted by remote */ + unsigned char temp_volume; +}; + +void ofono_call_volume_notify(struct ofono_call_volume *cv, + const char *property, + unsigned char percent) +{ + DBusConnection *conn = ofono_dbus_get_connection(); + const char *path = __ofono_atom_get_path(cv->atom); + + if (!strcmp(property, "SpeakerVolume")) + cv->speaker_volume = percent; + + if (!strcmp(property, "MicrophoneVolume")) + cv->microphone_volume = percent; + + ofono_dbus_signal_property_changed(conn, path, CALL_VOLUME_INTERFACE, + property, DBUS_TYPE_BYTE, + &percent); +} + +static DBusMessage *cv_get_properties(DBusConnection *conn, + DBusMessage *msg, void *data) +{ + struct ofono_call_volume *cv = data; + DBusMessage *reply; + DBusMessageIter iter, dict; + + reply = dbus_message_new_method_return(msg); + + if (!reply) + return NULL; + + dbus_message_iter_init_append(reply, &iter); + + dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, + OFONO_PROPERTIES_ARRAY_SIGNATURE, + &dict); + + ofono_dbus_dict_append(&dict, "SpeakerVolume", DBUS_TYPE_BYTE, + &cv->speaker_volume); + + ofono_dbus_dict_append(&dict, "MicrophoneVolume", + DBUS_TYPE_BYTE, &cv->microphone_volume); + + dbus_message_iter_close_container(&iter, &dict); + + return reply; +} + +static void generic_callback(const struct ofono_error *error, void *data) +{ + struct ofono_call_volume *cv = data; + DBusConnection *conn = ofono_dbus_get_connection(); + DBusMessage *reply; + + cv->flags &= ~CALL_VOLUME_FLAG_PENDING; + + if (!cv->pending) + return; + + if (error->type == OFONO_ERROR_TYPE_NO_ERROR) + reply = dbus_message_new_method_return(cv->pending); + else + reply = __ofono_error_failed(cv->pending); + + g_dbus_send_message(conn, reply); + + dbus_message_unref(cv->pending); + cv->pending = NULL; +} + +static void sv_set_callback(const struct ofono_error *error, void *data) +{ + struct ofono_call_volume *cv = data; + + if (error->type != OFONO_ERROR_TYPE_NO_ERROR) { + ofono_error("Error occurred during Speaker Volume set: %s", + telephony_error_to_str(error)); + } else { + cv->speaker_volume = cv->temp_volume; + } + + generic_callback(error, data); +} + +static void mv_set_callback(const struct ofono_error *error, void *data) +{ + struct ofono_call_volume *cv = data; + + if (error->type != OFONO_ERROR_TYPE_NO_ERROR) { + ofono_error("Error occurred during Microphone Volume set: %s", + telephony_error_to_str(error)); + } else { + cv->microphone_volume = cv->temp_volume; + } + + generic_callback(error, data); +} + +DBusMessage *ofono_set_call_volume(DBusMessage *msg, + struct ofono_call_volume *cv, + const char *property, + unsigned char percent) +{ + if (percent > 100) + return __ofono_error_invalid_format(msg); + + DBG("set %s volume to %d percent", property, percent); + + cv->flags |= CALL_VOLUME_FLAG_PENDING; + cv->temp_volume = percent; + + if (msg) + cv->pending = dbus_message_ref(msg); + + if (!strcmp(property, "SpeakerVolume")) { + if (!cv->driver->speaker_volume) { + if (msg != NULL) + return __ofono_error_not_implemented(msg); + else + return NULL; + } + cv->driver->speaker_volume(cv, percent, sv_set_callback, cv); + } + + if (!strcmp(property, "MicrophoneVolume")) { + if (!cv->driver->microphone_volume) { + if (msg != NULL) + return __ofono_error_not_implemented(msg); + else + return NULL; + } + cv->driver->microphone_volume(cv, percent, mv_set_callback, cv); + } + + return NULL; +} + +static DBusMessage *cv_set_property(DBusConnection *conn, DBusMessage *msg, + void *data) +{ + struct ofono_call_volume *cv = data; + DBusMessageIter iter; + DBusMessageIter var; + const char *property; + unsigned char percent; + + if (cv->pending) + return __ofono_error_busy(msg); + + if (!dbus_message_iter_init(msg, &iter)) + return __ofono_error_invalid_args(msg); + + if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) + return __ofono_error_invalid_args(msg); + + dbus_message_iter_get_basic(&iter, &property); + dbus_message_iter_next(&iter); + + if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) + return __ofono_error_invalid_args(msg); + + dbus_message_iter_recurse(&iter, &var); + + if (dbus_message_iter_get_arg_type(&var) != DBUS_TYPE_BYTE) + return __ofono_error_invalid_args(msg); + + dbus_message_iter_get_basic(&var, &percent); + + return ofono_set_call_volume(msg, cv, property, percent); +} + +static GDBusMethodTable cv_methods[] = { + { "GetProperties", "", "a{sv}", cv_get_properties }, + { "SetProperty", "sv", "", cv_set_property, + G_DBUS_METHOD_FLAG_ASYNC }, + { } +}; + +static GDBusSignalTable cv_signals[] = { + { "PropertyChanged", "sv" }, + { } +}; + +static void call_volume_remove(struct ofono_atom *atom) +{ + struct ofono_call_volume *cv = __ofono_atom_get_data(atom); + + DBG("atom: %p", atom); + + if (cv == NULL) + return; + + if (cv->driver && cv->driver->remove) + cv->driver->remove(cv); + + g_free(cv); +} + +struct ofono_call_volume *ofono_call_volume_create(struct ofono_modem *modem, + unsigned int vendor, + const char *driver, + void *data) +{ + struct ofono_call_volume *cv; + GSList *l; + + if (driver == NULL) + return NULL; + + cv = g_try_new0(struct ofono_call_volume, 1); + if (cv == NULL) + return NULL; + + /* assume volume as half of maxium volume */ + cv->speaker_volume = 50; + cv->microphone_volume = 50; + cv->atom = __ofono_modem_add_atom(modem, + OFONO_ATOM_TYPES_CALL_VOLUME, + call_volume_remove, cv); + + for (l = g_drivers; l; l = l->next) { + const struct ofono_call_volume_driver *drv = l->data; + + if (g_strcmp0(drv->name, driver)) + continue; + + if (drv->probe(cv, vendor, data) < 0) + continue; + + cv->driver = drv; + break; + } + + return cv; +} + +static void call_volume_unregister(struct ofono_atom *atom) +{ + DBusConnection *conn = ofono_dbus_get_connection(); + struct ofono_call_volume *cv = __ofono_atom_get_data(atom); + struct ofono_modem *modem = __ofono_atom_get_modem(atom); + const char *path = __ofono_atom_get_path(atom); + GSList *l; + + ofono_modem_remove_interface(modem, CALL_VOLUME_INTERFACE); + g_dbus_unregister_interface(conn, path, + CALL_VOLUME_INTERFACE); +} + +void ofono_call_volume_register(struct ofono_call_volume *cv) +{ + DBusConnection *conn = ofono_dbus_get_connection(); + struct ofono_modem *modem = __ofono_atom_get_modem(cv->atom); + const char *path = __ofono_atom_get_path(cv->atom); + + if (!g_dbus_register_interface(conn, path, + CALL_VOLUME_INTERFACE, + cv_methods, cv_signals, NULL, + cv, NULL)) { + ofono_error("Could not create %s interface", + CALL_VOLUME_INTERFACE); + + return; + } + + ofono_modem_add_interface(modem, CALL_VOLUME_INTERFACE); + + __ofono_atom_register(cv->atom, call_volume_unregister); +} + +int ofono_call_volume_driver_register(const struct ofono_call_volume_driver *d) +{ + DBG("driver: %p, name: %s", d, d->name); + + if (d->probe == NULL) + return -EINVAL; + + g_drivers = g_slist_prepend(g_drivers, (void *) d); + + return 0; +} + +void ofono_call_volume_driver_unregister( + const struct ofono_call_volume_driver *d) +{ + DBG("driver: %p, name: %s", d, d->name); + + g_drivers = g_slist_remove(g_drivers, (void *) d); +} + +void ofono_call_volume_remove(struct ofono_call_volume *cv) +{ + __ofono_atom_free(cv->atom); +} + +void ofono_call_volume_set_data(struct ofono_call_volume *cv, void *data) +{ + cv->driver_data = data; +} + +void *ofono_call_volume_get_data(struct ofono_call_volume *cv) +{ + return cv->driver_data; +} + -- cgit v1.2.3