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// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

use ffi;
use glib;

/// Information passed around containing the context of a request.
#[derive(PartialEq, Eq)]
pub struct RTSPContext(*mut ffi::GstRTSPContext);

impl RTSPContext {
    pub fn with_current_context<F: FnOnce(&RTSPContext) -> T, T>(func: F) -> Option<T> {
        unsafe {
            let ptr = ffi::gst_rtsp_context_get_current();
            if ptr.is_null() {
                return None;
            }

            let ctx = RTSPContext(ptr);
            Some(func(&ctx))
        }
    }

    // TODO: Add various getters for all the contained fields as needed
}

#[doc(hidden)]
impl glib::translate::FromGlibPtrBorrow<*mut ffi::GstRTSPContext> for RTSPContext {
    #[inline]
    unsafe fn from_glib_borrow(ptr: *mut ffi::GstRTSPContext) -> Self {
        RTSPContext(ptr)
    }
}