432 lines
17 KiB
C++
432 lines
17 KiB
C++
#include "modules/bluetooth.hpp"
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#include <fmt/format.h>
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#include <spdlog/spdlog.h>
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#include <algorithm>
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#include <sstream>
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#include "util/scope_guard.hpp"
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namespace {
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using GDBusManager = std::unique_ptr<GDBusObjectManager, void (*)(GDBusObjectManager*)>;
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auto generateManager() -> GDBusManager {
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GError* error = nullptr;
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waybar::util::ScopeGuard error_deleter([error]() {
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if (error) {
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g_error_free(error);
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}
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});
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GDBusObjectManager* manager = g_dbus_object_manager_client_new_for_bus_sync(
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G_BUS_TYPE_SYSTEM,
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GDBusObjectManagerClientFlags::G_DBUS_OBJECT_MANAGER_CLIENT_FLAGS_DO_NOT_AUTO_START,
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"org.bluez", "/", NULL, NULL, NULL, NULL, &error);
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if (error) {
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spdlog::error("g_dbus_object_manager_client_new_for_bus_sync() failed: {}", error->message);
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}
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auto destructor = [](GDBusObjectManager* manager) {
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if (manager) {
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g_object_unref(manager);
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}
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};
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return GDBusManager{manager, destructor};
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}
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auto getBoolProperty(GDBusProxy* proxy, const char* property_name) -> bool {
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auto gvar = g_dbus_proxy_get_cached_property(proxy, property_name);
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if (gvar) {
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bool property_value = g_variant_get_boolean(gvar);
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g_variant_unref(gvar);
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return property_value;
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}
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spdlog::error("getBoolProperty() failed: doesn't have property {}", property_name);
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return false;
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}
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auto getOptionalStringProperty(GDBusProxy* proxy, const char* property_name)
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-> std::optional<std::string> {
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auto gvar = g_dbus_proxy_get_cached_property(proxy, property_name);
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if (gvar) {
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std::string property_value = g_variant_get_string(gvar, NULL);
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g_variant_unref(gvar);
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return property_value;
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}
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return std::nullopt;
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}
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auto getStringProperty(GDBusProxy* proxy, const char* property_name) -> std::string {
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auto property_value = getOptionalStringProperty(proxy, property_name);
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if (!property_value.has_value()) {
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spdlog::error("getStringProperty() failed: doesn't have property {}", property_name);
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}
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return property_value.value_or("");
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}
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auto getUcharProperty(GDBusProxy* proxy, const char* property_name) -> unsigned char {
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auto gvar = g_dbus_proxy_get_cached_property(proxy, property_name);
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if (gvar) {
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unsigned char property_value;
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g_variant_get(gvar, "y", &property_value);
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g_variant_unref(gvar);
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return property_value;
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}
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spdlog::error("getUcharProperty() failed: doesn't have property {}", property_name);
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return 0;
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}
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} // namespace
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waybar::modules::Bluetooth::Bluetooth(const std::string& id, const Json::Value& config)
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: ALabel(config, "bluetooth", id, " {status}", 10),
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#ifdef WANT_RFKILL
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rfkill_{RFKILL_TYPE_BLUETOOTH},
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#endif
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manager_(generateManager()) {
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if (config_["format-device-preference"].isArray()) {
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std::transform(config_["format-device-preference"].begin(),
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config_["format-device-preference"].end(),
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std::back_inserter(device_preference_), [](auto x) { return x.asString(); });
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}
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// NOTE: assumption made that the controller that is selected stays unchanged
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// for duration of the module
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if (cur_controller_ = findCurController(); !cur_controller_) {
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if (config_["controller-alias"].isString()) {
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spdlog::error("findCurController() failed: no bluetooth controller found with alias '{}'",
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config_["controller-alias"].asString());
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} else {
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spdlog::error("findCurController() failed: no bluetooth controller found");
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}
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update();
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} else {
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// These calls only make sense if a controller could be found
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findConnectedDevices(cur_controller_->path, connected_devices_);
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g_signal_connect(manager_.get(), "interface-proxy-properties-changed",
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G_CALLBACK(onInterfaceProxyPropertiesChanged), this);
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g_signal_connect(manager_.get(), "interface-added", G_CALLBACK(onInterfaceAddedOrRemoved),
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this);
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g_signal_connect(manager_.get(), "interface-removed", G_CALLBACK(onInterfaceAddedOrRemoved),
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this);
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#ifdef WANT_RFKILL
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rfkill_.on_update.connect(sigc::hide(sigc::mem_fun(*this, &Bluetooth::update)));
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#endif
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}
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dp.emit();
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}
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auto waybar::modules::Bluetooth::update() -> void {
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// focussed device is either:
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// - the first device in the device_preference_ list that is connected to the
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// current controller (if none fallback to last connected device)
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// - it is the last device that connected to the current controller
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if (!connected_devices_.empty()) {
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bool preferred_device_connected = false;
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if (!device_preference_.empty()) {
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for (const std::string& device_alias : device_preference_) {
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auto it =
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std::find_if(connected_devices_.begin(), connected_devices_.end(),
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[device_alias](auto device) { return device_alias == device.alias; });
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if (it != connected_devices_.end()) {
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preferred_device_connected = true;
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cur_focussed_device_ = *it;
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break;
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}
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}
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}
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if (!preferred_device_connected) {
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cur_focussed_device_ = connected_devices_.back();
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}
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}
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std::string state;
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std::string tooltip_format;
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if (cur_controller_) {
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if (!cur_controller_->powered)
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state = "off";
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else if (!connected_devices_.empty())
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state = "connected";
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else
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state = "on";
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} else {
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state = "no-controller";
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}
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#ifdef WANT_RFKILL
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if (rfkill_.getState()) state = "disabled";
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#endif
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bool battery_available =
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state == "connected" && cur_focussed_device_.battery_percentage.has_value();
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#ifdef WANT_RFKILL
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// also adds enabled icon if icon for state is not defined
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std::vector<std::string> states = {state, rfkill_.getState() ? "disabled" : "enabled"};
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std::string icon = getIcon(0, states);
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#else
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std::string icon = getIcon(0, state);
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#endif
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std::string icon_label = icon;
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std::string icon_tooltip = icon;
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if (!alt_) {
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if (battery_available && config_["format-connected-battery"].isString()) {
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format_ = config_["format-connected-battery"].asString();
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icon_label = getIcon(cur_focussed_device_.battery_percentage.value_or(0));
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} else if (config_["format-" + state].isString()) {
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format_ = config_["format-" + state].asString();
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} else if (config_["format"].isString()) {
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format_ = config_["format"].asString();
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} else {
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format_ = default_format_;
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}
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}
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if (battery_available && config_["tooltip-format-connected-battery"].isString()) {
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tooltip_format = config_["tooltip-format-connected-battery"].asString();
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icon_tooltip = getIcon(cur_focussed_device_.battery_percentage.value_or(0));
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} else if (config_["tooltip-format-" + state].isString()) {
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tooltip_format = config_["tooltip-format-" + state].asString();
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} else if (config_["tooltip-format"].isString()) {
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tooltip_format = config_["tooltip-format"].asString();
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}
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auto update_style_context = [this](const std::string& style_class, bool in_next_state) {
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if (in_next_state && !label_.get_style_context()->has_class(style_class)) {
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label_.get_style_context()->add_class(style_class);
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} else if (!in_next_state && label_.get_style_context()->has_class(style_class)) {
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label_.get_style_context()->remove_class(style_class);
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}
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};
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update_style_context("discoverable", cur_controller_ ? cur_controller_->discoverable : false);
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update_style_context("discovering", cur_controller_ ? cur_controller_->discovering : false);
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update_style_context("pairable", cur_controller_ ? cur_controller_->pairable : false);
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if (!state_.empty()) {
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update_style_context(state_, false);
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}
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update_style_context(state, true);
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state_ = state;
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if (format_.empty()) {
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event_box_.hide();
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} else {
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event_box_.show();
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label_.set_markup(fmt::format(
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fmt::runtime(format_), fmt::arg("status", state_),
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fmt::arg("num_connections", connected_devices_.size()),
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fmt::arg("controller_address", cur_controller_ ? cur_controller_->address : "null"),
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fmt::arg("controller_address_type",
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cur_controller_ ? cur_controller_->address_type : "null"),
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fmt::arg("controller_alias", cur_controller_ ? cur_controller_->alias : "null"),
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fmt::arg("device_address", cur_focussed_device_.address),
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fmt::arg("device_address_type", cur_focussed_device_.address_type),
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fmt::arg("device_alias", cur_focussed_device_.alias), fmt::arg("icon", icon_label),
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fmt::arg("device_battery_percentage",
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cur_focussed_device_.battery_percentage.value_or(0))));
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}
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if (tooltipEnabled()) {
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bool tooltip_enumerate_connections_ = config_["tooltip-format-enumerate-connected"].isString();
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bool tooltip_enumerate_connections_battery_ =
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config_["tooltip-format-enumerate-connected-battery"].isString();
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if (tooltip_enumerate_connections_ || tooltip_enumerate_connections_battery_) {
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std::stringstream ss;
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for (DeviceInfo dev : connected_devices_) {
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if ((tooltip_enumerate_connections_battery_ && dev.battery_percentage.has_value()) ||
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tooltip_enumerate_connections_) {
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ss << "\n";
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std::string enumerate_format;
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std::string enumerate_icon;
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if (tooltip_enumerate_connections_battery_ && dev.battery_percentage.has_value()) {
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enumerate_format = config_["tooltip-format-enumerate-connected-battery"].asString();
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enumerate_icon = getIcon(dev.battery_percentage.value_or(0));
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} else {
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enumerate_format = config_["tooltip-format-enumerate-connected"].asString();
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}
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ss << fmt::format(
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fmt::runtime(enumerate_format), fmt::arg("device_address", dev.address),
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fmt::arg("device_address_type", dev.address_type),
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fmt::arg("device_alias", dev.alias), fmt::arg("icon", enumerate_icon),
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fmt::arg("device_battery_percentage", dev.battery_percentage.value_or(0)));
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}
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}
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device_enumerate_ = ss.str();
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// don't start the connected devices text with a new line
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if (!device_enumerate_.empty()) {
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device_enumerate_.erase(0, 1);
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}
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}
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label_.set_tooltip_text(fmt::format(
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fmt::runtime(tooltip_format), fmt::arg("status", state_),
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fmt::arg("num_connections", connected_devices_.size()),
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fmt::arg("controller_address", cur_controller_ ? cur_controller_->address : "null"),
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fmt::arg("controller_address_type",
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cur_controller_ ? cur_controller_->address_type : "null"),
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fmt::arg("controller_alias", cur_controller_ ? cur_controller_->alias : "null"),
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fmt::arg("device_address", cur_focussed_device_.address),
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fmt::arg("device_address_type", cur_focussed_device_.address_type),
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fmt::arg("device_alias", cur_focussed_device_.alias), fmt::arg("icon", icon_tooltip),
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fmt::arg("device_battery_percentage", cur_focussed_device_.battery_percentage.value_or(0)),
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fmt::arg("device_enumerate", device_enumerate_)));
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}
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// Call parent update
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ALabel::update();
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}
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// NOTE: only for when the org.bluez.Battery1 interface is added/removed after/before a device is
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// connected/disconnected
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auto waybar::modules::Bluetooth::onInterfaceAddedOrRemoved(GDBusObjectManager* manager,
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GDBusObject* object,
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GDBusInterface* interface,
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gpointer user_data) -> void {
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std::string interface_name = g_dbus_proxy_get_interface_name(G_DBUS_PROXY(interface));
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std::string object_path = g_dbus_proxy_get_object_path(G_DBUS_PROXY(interface));
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if (interface_name == "org.bluez.Battery1") {
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Bluetooth* bt = static_cast<Bluetooth*>(user_data);
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auto device = std::find_if(bt->connected_devices_.begin(), bt->connected_devices_.end(),
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[object_path](auto d) { return d.path == object_path; });
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if (device != bt->connected_devices_.end()) {
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device->battery_percentage = bt->getDeviceBatteryPercentage(object);
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bt->dp.emit();
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}
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}
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}
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auto waybar::modules::Bluetooth::onInterfaceProxyPropertiesChanged(
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GDBusObjectManagerClient* manager, GDBusObjectProxy* object_proxy, GDBusProxy* interface_proxy,
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GVariant* changed_properties, const gchar* const* invalidated_properties, gpointer user_data)
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-> void {
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std::string interface_name = g_dbus_proxy_get_interface_name(interface_proxy);
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std::string object_path = g_dbus_object_get_object_path(G_DBUS_OBJECT(object_proxy));
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Bluetooth* bt = static_cast<Bluetooth*>(user_data);
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if (interface_name == "org.bluez.Adapter1") {
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if (object_path == bt->cur_controller_->path) {
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bt->getControllerProperties(G_DBUS_OBJECT(object_proxy), *bt->cur_controller_);
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bt->dp.emit();
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}
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} else if (interface_name == "org.bluez.Device1" || interface_name == "org.bluez.Battery1") {
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DeviceInfo device;
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bt->getDeviceProperties(G_DBUS_OBJECT(object_proxy), device);
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auto cur_device = std::find_if(bt->connected_devices_.begin(), bt->connected_devices_.end(),
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[device](auto d) { return d.path == device.path; });
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if (cur_device == bt->connected_devices_.end()) {
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if (device.connected) {
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bt->connected_devices_.push_back(device);
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bt->dp.emit();
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}
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} else {
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if (!device.connected) {
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bt->connected_devices_.erase(cur_device);
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} else {
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*cur_device = device;
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}
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bt->dp.emit();
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}
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}
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}
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auto waybar::modules::Bluetooth::getDeviceBatteryPercentage(GDBusObject* object)
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-> std::optional<unsigned char> {
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GDBusProxy* proxy_device_bat =
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G_DBUS_PROXY(g_dbus_object_get_interface(object, "org.bluez.Battery1"));
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if (proxy_device_bat != NULL) {
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unsigned char battery_percentage = getUcharProperty(proxy_device_bat, "Percentage");
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g_object_unref(proxy_device_bat);
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return battery_percentage;
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}
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return std::nullopt;
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}
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auto waybar::modules::Bluetooth::getDeviceProperties(GDBusObject* object, DeviceInfo& device_info)
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-> bool {
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GDBusProxy* proxy_device = G_DBUS_PROXY(g_dbus_object_get_interface(object, "org.bluez.Device1"));
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if (proxy_device != NULL) {
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device_info.path = g_dbus_object_get_object_path(object);
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device_info.paired_controller = getStringProperty(proxy_device, "Adapter");
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device_info.address = getStringProperty(proxy_device, "Address");
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device_info.address_type = getStringProperty(proxy_device, "AddressType");
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device_info.alias = getStringProperty(proxy_device, "Alias");
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device_info.icon = getOptionalStringProperty(proxy_device, "Icon");
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device_info.paired = getBoolProperty(proxy_device, "Paired");
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device_info.trusted = getBoolProperty(proxy_device, "Trusted");
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device_info.blocked = getBoolProperty(proxy_device, "Blocked");
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device_info.connected = getBoolProperty(proxy_device, "Connected");
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device_info.services_resolved = getBoolProperty(proxy_device, "ServicesResolved");
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g_object_unref(proxy_device);
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device_info.battery_percentage = getDeviceBatteryPercentage(object);
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return true;
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}
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return false;
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}
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auto waybar::modules::Bluetooth::getControllerProperties(GDBusObject* object,
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ControllerInfo& controller_info) -> bool {
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GDBusProxy* proxy_controller =
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G_DBUS_PROXY(g_dbus_object_get_interface(object, "org.bluez.Adapter1"));
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if (proxy_controller != NULL) {
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controller_info.path = g_dbus_object_get_object_path(object);
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controller_info.address = getStringProperty(proxy_controller, "Address");
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controller_info.address_type = getStringProperty(proxy_controller, "AddressType");
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controller_info.alias = getStringProperty(proxy_controller, "Alias");
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controller_info.powered = getBoolProperty(proxy_controller, "Powered");
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controller_info.discoverable = getBoolProperty(proxy_controller, "Discoverable");
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controller_info.pairable = getBoolProperty(proxy_controller, "Pairable");
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controller_info.discovering = getBoolProperty(proxy_controller, "Discovering");
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g_object_unref(proxy_controller);
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return true;
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}
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return false;
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}
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auto waybar::modules::Bluetooth::findCurController() -> std::optional<ControllerInfo> {
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std::optional<ControllerInfo> controller_info;
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GList* objects = g_dbus_object_manager_get_objects(manager_.get());
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for (GList* l = objects; l != NULL; l = l->next) {
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GDBusObject* object = G_DBUS_OBJECT(l->data);
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ControllerInfo info;
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if (getControllerProperties(object, info) &&
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(!config_["controller-alias"].isString() ||
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config_["controller-alias"].asString() == info.alias)) {
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controller_info = std::move(info);
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break;
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}
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}
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g_list_free_full(objects, g_object_unref);
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return controller_info;
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}
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auto waybar::modules::Bluetooth::findConnectedDevices(const std::string& cur_controller_path,
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std::vector<DeviceInfo>& connected_devices)
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-> void {
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GList* objects = g_dbus_object_manager_get_objects(manager_.get());
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for (GList* l = objects; l != NULL; l = l->next) {
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GDBusObject* object = G_DBUS_OBJECT(l->data);
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DeviceInfo device;
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if (getDeviceProperties(object, device) && device.connected &&
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device.paired_controller == cur_controller_->path) {
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connected_devices.push_back(device);
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}
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}
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g_list_free_full(objects, g_object_unref);
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}
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