50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
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#include "util/prepare_for_sleep.h"
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#include <gio/gio.h>
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namespace {
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class PrepareForSleep {
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private:
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PrepareForSleep() {
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GError *error = NULL;
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login1_connection = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &error);
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if (!login1_connection) {
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throw std::runtime_error("Unable to connect to the SYSTEM Bus!...");
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} else {
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login1_id = g_dbus_connection_signal_subscribe(
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login1_connection, "org.freedesktop.login1", "org.freedesktop.login1.Manager",
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"PrepareForSleep", "/org/freedesktop/login1", NULL, G_DBUS_SIGNAL_FLAGS_NONE,
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prepareForSleep_cb, this, NULL);
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}
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}
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static void prepareForSleep_cb(GDBusConnection *system_bus, const gchar *sender_name,
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const gchar *object_path, const gchar *interface_name,
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const gchar *signal_name, GVariant *parameters,
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gpointer user_data) {
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if (g_variant_is_of_type(parameters, G_VARIANT_TYPE("(b)"))) {
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gboolean sleeping;
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g_variant_get(parameters, "(b)", &sleeping);
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PrepareForSleep *self = static_cast<PrepareForSleep *>(user_data);
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self->signal.emit(sleeping);
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}
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}
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public:
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static PrepareForSleep &GetInstance() {
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static PrepareForSleep instance;
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return instance;
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}
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waybar::SafeSignal<bool> signal;
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private:
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guint login1_id;
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GDBusConnection *login1_connection;
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};
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} // namespace
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waybar::SafeSignal<bool> &waybar::util::prepare_for_sleep() {
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return PrepareForSleep::GetInstance().signal;
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}
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