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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use Clock;
use ClockType;
use Object;
use ffi;
use glib;
use glib::StaticType;
use glib::Value;
use glib::object::Downcast;
use glib::object::IsA;
use glib::signal::SignalHandlerId;
use glib::signal::connect;
use glib::translate::*;
use glib_ffi;
use gobject_ffi;
use std::boxed::Box as Box_;
use std::mem;
use std::mem::transmute;
use std::ptr;

glib_wrapper! {
    /// The GStreamer core provides a GstSystemClock based on the system time.
    /// Asynchronous callbacks are scheduled from an internal thread.
    ///
    /// Clock implementors are encouraged to subclass this systemclock as it
    /// implements the async notification.
    ///
    /// Subclasses can however override all of the important methods for sync and
    /// async notifications to implement their own callback methods or blocking
    /// wait operations.
    ///
    /// # Implements
    ///
    /// [`SystemClockExt`](trait.SystemClockExt.html), [`ClockExt`](trait.ClockExt.html), [`GstObjectExt`](trait.GstObjectExt.html), [`glib::object::ObjectExt`](../glib/object/trait.ObjectExt.html)
    pub struct SystemClock(Object<ffi::GstSystemClock, ffi::GstSystemClockClass>): Clock, Object;

    match fn {
        get_type => || ffi::gst_system_clock_get_type(),
    }
}

impl SystemClock {
    /// Get a handle to the default system clock. The refcount of the
    /// clock will be increased so you need to unref the clock after
    /// usage.
    ///
    /// # Returns
    ///
    /// the default clock.
    ///
    /// MT safe.
    pub fn obtain() -> Clock {
        assert_initialized_main_thread!();
        unsafe {
            from_glib_full(ffi::gst_system_clock_obtain())
        }
    }

    /// Sets the default system clock that can be obtained with
    /// `SystemClock::obtain`.
    ///
    /// This is mostly used for testing and debugging purposes when you
    /// want to have control over the time reported by the default system
    /// clock.
    ///
    /// MT safe.
    /// ## `new_clock`
    /// a `Clock`
    pub fn set_default<'a, P: IsA<Clock> + 'a, Q: Into<Option<&'a P>>>(new_clock: Q) {
        assert_initialized_main_thread!();
        let new_clock = new_clock.into();
        let new_clock = new_clock.to_glib_none();
        unsafe {
            ffi::gst_system_clock_set_default(new_clock.0);
        }
    }
}

unsafe impl Send for SystemClock {}
unsafe impl Sync for SystemClock {}

/// Trait containing all `SystemClock` methods.
///
/// # Implementors
///
/// [`SystemClock`](struct.SystemClock.html)
pub trait SystemClockExt {
    fn get_property_clock_type(&self) -> ClockType;

    fn set_property_clock_type(&self, clock_type: ClockType);

    fn connect_property_clock_type_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId;
}

impl<O: IsA<SystemClock> + IsA<glib::object::Object>> SystemClockExt for O {
    fn get_property_clock_type(&self) -> ClockType {
        unsafe {
            let mut value = Value::from_type(<ClockType as StaticType>::static_type());
            gobject_ffi::g_object_get_property(self.to_glib_none().0, "clock-type".to_glib_none().0, value.to_glib_none_mut().0);
            value.get().unwrap()
        }
    }

    fn set_property_clock_type(&self, clock_type: ClockType) {
        unsafe {
            gobject_ffi::g_object_set_property(self.to_glib_none().0, "clock-type".to_glib_none().0, Value::from(&clock_type).to_glib_none().0);
        }
    }

    fn connect_property_clock_type_notify<F: Fn(&Self) + Send + Sync + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe {
            let f: Box_<Box_<Fn(&Self) + Send + Sync + 'static>> = Box_::new(Box_::new(f));
            connect(self.to_glib_none().0, "notify::clock-type",
                transmute(notify_clock_type_trampoline::<Self> as usize), Box_::into_raw(f) as *mut _)
        }
    }
}

unsafe extern "C" fn notify_clock_type_trampoline<P>(this: *mut ffi::GstSystemClock, _param_spec: glib_ffi::gpointer, f: glib_ffi::gpointer)
where P: IsA<SystemClock> {
    let f: &&(Fn(&P) + Send + Sync + 'static) = transmute(f);
    f(&SystemClock::from_glib_borrow(this).downcast_unchecked())
}