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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)
// from gst-gir-files (https://gitlab.freedesktop.org/gstreamer/gir-files-rs.git)
// DO NOT EDIT

use crate::URIType;
use glib::object::IsA;
use glib::translate::*;
use std::ptr;

glib::wrapper! {
    /// The [`crate::URIHandler`] is an interface that is implemented by Source and Sink
    /// [`crate::Element`] to unify handling of URI.
    ///
    /// An application can use the following functions to quickly get an element
    /// that handles the given URI for reading or writing
    /// ([`crate::Element::make_from_uri()`]).
    ///
    /// Source and Sink plugins should implement this interface when possible.
    ///
    /// # Implements
    ///
    /// [`trait@crate::prelude::URIHandlerExt`]
    pub struct URIHandler(Interface<ffi::GstURIHandler, ffi::GstURIHandlerInterface>);

    match fn {
        type_ => || ffi::gst_uri_handler_get_type(),
    }
}

unsafe impl Send for URIHandler {}
unsafe impl Sync for URIHandler {}

pub const NONE_URI_HANDLER: Option<&URIHandler> = None;

/// Trait containing all `URIHandler` methods.
///
/// # Implementors
///
/// [`struct@crate::URIHandler`]
pub trait URIHandlerExt: 'static {
    /// Gets the list of protocols supported by `self`. This list may not be
    /// modified.
    ///
    /// # Returns
    ///
    /// the
    ///  supported protocols. Returns [`None`] if the `self` isn't
    ///  implemented properly, or the `self` doesn't support any
    ///  protocols.
    #[doc(alias = "gst_uri_handler_get_protocols")]
    #[doc(alias = "get_protocols")]
    fn protocols(&self) -> Vec<glib::GString>;

    /// Gets the currently handled URI.
    ///
    /// # Returns
    ///
    /// the URI currently handled by
    ///  the `self`. Returns [`None`] if there are no URI currently
    ///  handled. The returned string must be freed with `g_free()` when no
    ///  longer needed.
    #[doc(alias = "gst_uri_handler_get_uri")]
    #[doc(alias = "get_uri")]
    fn uri(&self) -> Option<glib::GString>;

    /// Gets the type of the given URI handler
    ///
    /// # Returns
    ///
    /// the [`crate::URIType`] of the URI handler.
    /// Returns [`crate::URIType::Unknown`] if the `self` isn't implemented correctly.
    #[doc(alias = "gst_uri_handler_get_uri_type")]
    #[doc(alias = "get_uri_type")]
    fn uri_type(&self) -> URIType;

    /// Tries to set the URI of the given handler.
    /// ## `uri`
    /// URI to set
    ///
    /// # Returns
    ///
    /// [`true`] if the URI was set successfully, else [`false`].
    #[doc(alias = "gst_uri_handler_set_uri")]
    fn set_uri(&self, uri: &str) -> Result<(), glib::Error>;
}

impl<O: IsA<URIHandler>> URIHandlerExt for O {
    fn protocols(&self) -> Vec<glib::GString> {
        unsafe {
            FromGlibPtrContainer::from_glib_none(ffi::gst_uri_handler_get_protocols(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn uri(&self) -> Option<glib::GString> {
        unsafe { from_glib_full(ffi::gst_uri_handler_get_uri(self.as_ref().to_glib_none().0)) }
    }

    fn uri_type(&self) -> URIType {
        unsafe {
            from_glib(ffi::gst_uri_handler_get_uri_type(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn set_uri(&self, uri: &str) -> Result<(), glib::Error> {
        unsafe {
            let mut error = ptr::null_mut();
            let _ = ffi::gst_uri_handler_set_uri(
                self.as_ref().to_glib_none().0,
                uri.to_glib_none().0,
                &mut error,
            );
            if error.is_null() {
                Ok(())
            } else {
                Err(from_glib_full(error))
            }
        }
    }
}