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// Copyright (c) 2019 Vivia Nikolaidou <vivia@ahiru.eu>
//
// 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 glib::translate::*;
use glib::IsA;

use PipelineFlags;

pub trait GstPipelineExtManual: 'static {
    fn set_pipeline_flags(&self, flags: PipelineFlags);

    fn unset_pipeline_flags(&self, flags: PipelineFlags);

    fn get_pipeline_flags(&self) -> PipelineFlags;
}

impl<O: IsA<::Pipeline>> GstPipelineExtManual for O {
    fn set_pipeline_flags(&self, flags: PipelineFlags) {
        unsafe {
            let ptr: *mut gst_sys::GstObject = self.as_ptr() as *mut _;
            let _guard = ::utils::MutexGuard::lock(&(*ptr).lock);
            (*ptr).flags |= flags.to_glib();
        }
    }

    fn unset_pipeline_flags(&self, flags: PipelineFlags) {
        unsafe {
            let ptr: *mut gst_sys::GstObject = self.as_ptr() as *mut _;
            let _guard = ::utils::MutexGuard::lock(&(*ptr).lock);
            (*ptr).flags &= !flags.to_glib();
        }
    }

    fn get_pipeline_flags(&self) -> PipelineFlags {
        unsafe {
            let ptr: *mut gst_sys::GstObject = self.as_ptr() as *mut _;
            let _guard = ::utils::MutexGuard::lock(&(*ptr).lock);
            from_glib((*ptr).flags)
        }
    }
}