diff options
Diffstat (limited to 'swaybar/tray/sni_watcher.c')
| -rw-r--r-- | swaybar/tray/sni_watcher.c | 497 |
1 files changed, 0 insertions, 497 deletions
diff --git a/swaybar/tray/sni_watcher.c b/swaybar/tray/sni_watcher.c deleted file mode 100644 index 86453e70..00000000 --- a/swaybar/tray/sni_watcher.c +++ /dev/null @@ -1,497 +0,0 @@ -#define _XOPEN_SOURCE 500 -#include <unistd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <stdbool.h> -#include <dbus/dbus.h> -#include "swaybar/tray/dbus.h" -#include "list.h" -#include "log.h" - -static list_t *items = NULL; -static list_t *hosts = NULL; - -/** - * Describes the function of the StatusNotifierWatcher - * See https://freedesktop.org/wiki/Specifications/StatusNotifierItem/StatusNotifierWatcher/ - * - * We also implement KDE's special snowflake protocol, it's like this but with - * all occurrences 'freedesktop' replaced with 'kde'. There is no KDE introspect. - */ -static const char *interface_xml = - "<!DOCTYPE node PUBLIC '-//freedesktop//DTD D-BUS Object Introspection 1.0//EN'" - "'http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd'>" - "<node>" - " <interface name='org.freedesktop.DBus.Introspectable'>" - " <method name='Introspect'>" - " <arg name='xml_data' direction='out' type='s'/>" - " </method>" - " </interface>" - " <interface name='org.freedesktop.DBus.Properties'>" - " <method name='Get'>" - " <arg name='interface' direction='in' type='s'/>" - " <arg name='propname' direction='in' type='s'/>" - " <arg name='value' direction='out' type='v'/>" - " </method>" - " <method name='Set'>" - " <arg name='interface' direction='in' type='s'/>" - " <arg name='propname' direction='in' type='s'/>" - " <arg name='value' direction='in' type='v'/>" - " </method>" - " <method name='GetAll'>" - " <arg name='interface' direction='in' type='s'/>" - " <arg name='props' direction='out' type='a{sv}'/>" - " </method>" - " </interface>" - " <interface name='org.freedesktop.StatusNotifierWatcher'>" - " <method name='RegisterStatusNotifierItem'>" - " <arg type='s' name='service' direction='in'/>" - " </method>" - " <method name='RegisterStatusNotifierHost'>" - " <arg type='s' name='service' direction='in'/>" - " </method>" - " <property name='RegisteredStatusNotifierItems' type='as' access='read'/>" - " <property name='IsStatusNotifierHostRegistered' type='b' access='read'/>" - " <property name='ProtocolVersion' type='i' access='read'/>" - " <signal name='StatusNotifierItemRegistered'>" - " <arg type='s' name='service' direction='out'/>" - " </signal>" - " <signal name='StatusNotifierItemUnregistered'>" - " <arg type='s' name='service' direction='out'/>" - " </signal>" - " <signal name='StatusNotifierHostRegistered'>" - " <arg type='' name='service' direction='out'/>" - " </signal>" - " </interface>" - "</node>"; - -static void host_registered_signal(DBusConnection *connection) { - // Send one signal for each protocol - DBusMessage *signal = dbus_message_new_signal( - "/StatusNotifierWatcher", - "org.freedesktop.StatusNotifierWatcher", - "StatusNotifierHostRegistered"); - - dbus_connection_send(connection, signal, NULL); - dbus_message_unref(signal); - - - signal = dbus_message_new_signal( - "/StatusNotifierWatcher", - "org.kde.StatusNotifierWatcher", - "StatusNotifierHostRegistered"); - - dbus_connection_send(connection, signal, NULL); - dbus_message_unref(signal); -} -static void item_registered_signal(DBusConnection *connection, const char *name) { - DBusMessage *signal = dbus_message_new_signal( - "/StatusNotifierWatcher", - "org.freedesktop.StatusNotifierWatcher", - "StatusNotifierItemRegistered"); - dbus_message_append_args(signal, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID); - dbus_connection_send(connection, signal, NULL); - dbus_message_unref(signal); - - signal = dbus_message_new_signal( - "/StatusNotifierWatcher", - "org.kde.StatusNotifierWatcher", - "StatusNotifierItemRegistered"); - dbus_message_append_args(signal, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID); - dbus_connection_send(connection, signal, NULL); - dbus_message_unref(signal); -} -static void item_unregistered_signal(DBusConnection *connection, const char *name) { - DBusMessage *signal = dbus_message_new_signal( - "/StatusNotifierWatcher", - "org.freedesktop.StatusNotifierWatcher", - "StatusNotifierItemUnregistered"); - dbus_message_append_args(signal, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID); - dbus_connection_send(connection, signal, NULL); - dbus_message_unref(signal); - - signal = dbus_message_new_signal( - "/StatusNotifierWatcher", - "org.kde.StatusNotifierWatcher", - "StatusNotifierItemUnregistered"); - dbus_message_append_args(signal, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID); - dbus_connection_send(connection, signal, NULL); - dbus_message_unref(signal); -} - -static void respond_to_introspect(DBusConnection *connection, DBusMessage *request) { - DBusMessage *reply; - - reply = dbus_message_new_method_return(request); - dbus_message_append_args(reply, - DBUS_TYPE_STRING, &interface_xml, - DBUS_TYPE_INVALID); - dbus_connection_send(connection, reply, NULL); - dbus_message_unref(reply); -} - -static void register_item(DBusConnection *connection, DBusMessage *message) { - DBusError error; - char *name; - - dbus_error_init(&error); - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) { - sway_log(L_ERROR, "Error parsing method args: %s\n", error.message); - } - - sway_log(L_INFO, "RegisterStatusNotifierItem called with \"%s\"\n", name); - - // Don't add duplicate or not real item - if (!dbus_validate_bus_name(name, NULL)) { - sway_log(L_INFO, "This item is not valid, we cannot keep track of it."); - return; - } - - if (list_seq_find(items, (int (*)(const void *, const void *))strcmp, name) != -1) { - return; - } - if (!dbus_bus_name_has_owner(connection, name, &error)) { - return; - } - - list_add(items, strdup(name)); - item_registered_signal(connection, name); - - // It's silly, but xembedsniproxy wants a reply for this function - DBusMessage *reply = dbus_message_new_method_return(message); - dbus_connection_send(connection, reply, NULL); - dbus_message_unref(reply); -} - -static void register_host(DBusConnection *connection, DBusMessage *message) { - DBusError error; - char *name; - - dbus_error_init(&error); - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) { - sway_log(L_ERROR, "Error parsing method args: %s\n", error.message); - } - - sway_log(L_INFO, "RegisterStatusNotifierHost called with \"%s\"\n", name); - - // Don't add duplicate or not real host - if (!dbus_validate_bus_name(name, NULL)) { - sway_log(L_INFO, "This item is not valid, we cannot keep track of it."); - return; - } - - - if (list_seq_find(hosts, (int (*)(const void *, const void *))strcmp, name) != -1) { - return; - } - if (!dbus_bus_name_has_owner(connection, name, &error)) { - return; - } - - list_add(hosts, strdup(name)); - host_registered_signal(connection); -} - -static void get_property(DBusConnection *connection, DBusMessage *message) { - DBusError error; - char *interface; - char *property; - - dbus_error_init(&error); - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_STRING, &interface, - DBUS_TYPE_STRING, &property, - DBUS_TYPE_INVALID)) { - sway_log(L_ERROR, "Error parsing prop args: %s\n", error.message); - return; - } - - if (strcmp(property, "RegisteredStatusNotifierItems") == 0) { - sway_log(L_INFO, "Replying with items\n"); - DBusMessage *reply; - reply = dbus_message_new_method_return(message); - DBusMessageIter iter; - DBusMessageIter sub; - DBusMessageIter subsub; - - dbus_message_iter_init_append(reply, &iter); - - dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, - "as", &sub); - dbus_message_iter_open_container(&sub, DBUS_TYPE_ARRAY, - "s", &subsub); - - for (int i = 0; i < items->length; ++i) { - dbus_message_iter_append_basic(&subsub, - DBUS_TYPE_STRING, &items->items[i]); - } - - dbus_message_iter_close_container(&sub, &subsub); - dbus_message_iter_close_container(&iter, &sub); - - dbus_connection_send(connection, reply, NULL); - dbus_message_unref(reply); - } else if (strcmp(property, "IsStatusNotifierHostRegistered") == 0) { - DBusMessage *reply; - DBusMessageIter iter; - DBusMessageIter sub; - int registered = (hosts == NULL || hosts->length == 0) ? 0 : 1; - - reply = dbus_message_new_method_return(message); - - dbus_message_iter_init_append(reply, &iter); - - dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, - "b", &sub); - dbus_message_iter_append_basic(&sub, - DBUS_TYPE_BOOLEAN, ®istered); - - dbus_message_iter_close_container(&iter, &sub); - - dbus_connection_send(connection, reply, NULL); - dbus_message_unref(reply); - } else if (strcmp(property, "ProtocolVersion") == 0) { - DBusMessage *reply; - DBusMessageIter iter; - DBusMessageIter sub; - const int version = 0; - - reply = dbus_message_new_method_return(message); - - dbus_message_iter_init_append(reply, &iter); - - dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, - "i", &sub); - dbus_message_iter_append_basic(&sub, - DBUS_TYPE_INT32, &version); - - dbus_message_iter_close_container(&iter, &sub); - dbus_connection_send(connection, reply, NULL); - dbus_message_unref(reply); - } -} - -static void set_property(DBusConnection *connection, DBusMessage *message) { - // All properties are read only and we don't allow new properties - return; -} - -static void get_all(DBusConnection *connection, DBusMessage *message) { - DBusMessage *reply; - reply = dbus_message_new_method_return(message); - DBusMessageIter iter; /* a{v} */ - DBusMessageIter arr; - DBusMessageIter dict; - DBusMessageIter sub; - DBusMessageIter subsub; - int registered = (hosts == NULL || hosts->length == 0) ? 0 : 1; - const int version = 0; - const char *prop; - - // Could clean this up with a function for each prop - dbus_message_iter_init_append(reply, &iter); - dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, - "{sv}", &arr); - - prop = "RegisteredStatusNotifierItems"; - dbus_message_iter_open_container(&arr, DBUS_TYPE_DICT_ENTRY, - NULL, &dict); - dbus_message_iter_append_basic(&dict, - DBUS_TYPE_STRING, &prop); - dbus_message_iter_open_container(&dict, DBUS_TYPE_VARIANT, - "as", &sub); - dbus_message_iter_open_container(&sub, DBUS_TYPE_ARRAY, - "s", &subsub); - for (int i = 0; i < items->length; ++i) { - dbus_message_iter_append_basic(&subsub, - DBUS_TYPE_STRING, &items->items[i]); - } - dbus_message_iter_close_container(&sub, &subsub); - dbus_message_iter_close_container(&dict, &sub); - dbus_message_iter_close_container(&arr, &dict); - - prop = "IsStatusNotifierHostRegistered"; - dbus_message_iter_open_container(&arr, DBUS_TYPE_DICT_ENTRY, - NULL, &dict); - dbus_message_iter_append_basic(&dict, - DBUS_TYPE_STRING, &prop); - dbus_message_iter_open_container(&dict, DBUS_TYPE_VARIANT, - "b", &sub); - dbus_message_iter_append_basic(&sub, - DBUS_TYPE_BOOLEAN, ®istered); - dbus_message_iter_close_container(&dict, &sub); - dbus_message_iter_close_container(&arr, &dict); - - prop = "ProtocolVersion"; - dbus_message_iter_open_container(&arr, DBUS_TYPE_DICT_ENTRY, - NULL, &dict); - dbus_message_iter_append_basic(&dict, - DBUS_TYPE_STRING, &prop); - dbus_message_iter_open_container(&dict, DBUS_TYPE_VARIANT, - "i", &sub); - dbus_message_iter_append_basic(&sub, - DBUS_TYPE_INT32, &version); - dbus_message_iter_close_container(&dict, &sub); - dbus_message_iter_close_container(&arr, &dict); - - dbus_message_iter_close_container(&iter, &arr); - - dbus_connection_send(connection, reply, NULL); - dbus_message_unref(reply); -} - -static DBusHandlerResult message_handler(DBusConnection *connection, - DBusMessage *message, void *data) { - const char *interface_name = dbus_message_get_interface(message); - const char *member_name = dbus_message_get_member(message); - - // In order of the xml above - if (strcmp(interface_name, "org.freedesktop.DBus.Introspectable") == 0 && - strcmp(member_name, "Introspect") == 0) { - // We don't have an introspect for KDE - respond_to_introspect(connection, message); - return DBUS_HANDLER_RESULT_HANDLED; - } else if (strcmp(interface_name, "org.freedesktop.DBus.Properties") == 0) { - if (strcmp(member_name, "Get") == 0) { - get_property(connection, message); - return DBUS_HANDLER_RESULT_HANDLED; - } else if (strcmp(member_name, "Set") == 0) { - set_property(connection, message); - return DBUS_HANDLER_RESULT_HANDLED; - } else if (strcmp(member_name, "GetAll") == 0) { - get_all(connection, message); - return DBUS_HANDLER_RESULT_HANDLED; - } else { - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - } - } else if (strcmp(interface_name, "org.freedesktop.StatusNotifierWatcher") == 0 || - strcmp(interface_name, "org.kde.StatusNotifierWatcher") == 0) { - if (strcmp(member_name, "RegisterStatusNotifierItem") == 0) { - register_item(connection, message); - return DBUS_HANDLER_RESULT_HANDLED; - } else if (strcmp(member_name, "RegisterStatusNotifierHost") == 0) { - register_host(connection, message); - return DBUS_HANDLER_RESULT_HANDLED; - } else { - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - } - } - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; -} - -static DBusHandlerResult signal_handler(DBusConnection *connection, - DBusMessage *message, void *_data) { - if (dbus_message_is_signal(message, "org.freedesktop.DBus", "NameOwnerChanged")) { - // Only eat the message if it is name that we are watching - const char *name; - const char *old_owner; - const char *new_owner; - int index; - if (!dbus_message_get_args(message, NULL, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_STRING, &old_owner, - DBUS_TYPE_STRING, &new_owner, - DBUS_TYPE_INVALID)) { - sway_log(L_ERROR, "Error getting LostName args"); - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - } - if (strcmp(new_owner, "") != 0) { - // Name is not lost - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - } - if ((index = list_seq_find(items, (int (*)(const void *, const void *))strcmp, name)) != -1) { - sway_log(L_INFO, "Status Notifier Item lost %s", name); - free(items->items[index]); - list_del(items, index); - item_unregistered_signal(connection, name); - - return DBUS_HANDLER_RESULT_HANDLED; - } - if ((index = list_seq_find(hosts, (int (*)(const void *, const void *))strcmp, name)) != -1) { - sway_log(L_INFO, "Status Notifier Host lost %s", name); - free(hosts->items[index]); - list_del(hosts, index); - - return DBUS_HANDLER_RESULT_HANDLED; - } - } - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; -} - -static const DBusObjectPathVTable vtable = { - .message_function = message_handler, - .unregister_function = NULL, -}; - -int init_sni_watcher() { - DBusError error; - dbus_error_init(&error); - if (!conn) { - sway_log(L_ERROR, "Connection is null, cannot initiate StatusNotifierWatcher"); - return -1; - } - - items = create_list(); - hosts = create_list(); - - int status = dbus_bus_request_name(conn, "org.freedesktop.StatusNotifierWatcher", - DBUS_NAME_FLAG_REPLACE_EXISTING, - &error); - if (status == DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) { - sway_log(L_DEBUG, "Got watcher name"); - } else if (status == DBUS_REQUEST_NAME_REPLY_IN_QUEUE) { - sway_log(L_INFO, "Could not get watcher name, it may start later"); - } - if (dbus_error_is_set(&error)) { - sway_log(L_ERROR, "dbus err getting watcher name: %s\n", error.message); - return -1; - } - - status = dbus_bus_request_name(conn, "org.kde.StatusNotifierWatcher", - DBUS_NAME_FLAG_REPLACE_EXISTING, - &error); - if (status == DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) { - sway_log(L_DEBUG, "Got kde watcher name"); - } else if (status == DBUS_REQUEST_NAME_REPLY_IN_QUEUE) { - sway_log(L_INFO, "Could not get kde watcher name, it may start later"); - } - if (dbus_error_is_set(&error)) { - sway_log(L_ERROR, "dbus err getting kde watcher name: %s\n", error.message); - return -1; - } - - dbus_connection_try_register_object_path(conn, - "/StatusNotifierWatcher", - &vtable, NULL, &error); - if (dbus_error_is_set(&error)) { - sway_log(L_ERROR, "dbus_err: %s\n", error.message); - return -1; - } - - dbus_bus_add_match(conn, - "type='signal',\ - sender='org.freedesktop.DBus',\ - interface='org.freedesktop.DBus',\ - member='NameOwnerChanged'", - &error); - - if (dbus_error_is_set(&error)) { - sway_log(L_ERROR, "DBus error getting match args: %s", error.message); - } - - dbus_connection_add_filter(conn, signal_handler, NULL, NULL); - return 0; -} |