// 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 glib;
use glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::GString;
use glib_sys;
use gst;
use gst_gl_sys;
use libc;
use std::boxed::Box as Box_;
use std::mem;
use std::mem::transmute;
use GLContext;
use GLDisplay;

glib_wrapper! {
    /// GstGLWindow represents a window that elements can render into. A window can
    /// either be a user visible window (onscreen) or hidden (offscreen).
    ///
    /// # Implements
    ///
    /// [`GLWindowExt`](trait.GLWindowExt.html), [`gst::ObjectExt`](../gst/trait.ObjectExt.html), [`glib::object::ObjectExt`](../glib/object/trait.ObjectExt.html)
    pub struct GLWindow(Object<gst_gl_sys::GstGLWindow, gst_gl_sys::GstGLWindowClass, GLWindowClass>) @extends gst::Object;

    match fn {
        get_type => || gst_gl_sys::gst_gl_window_get_type(),
    }
}

impl GLWindow {
    /// ## `display`
    /// a `GLDisplay`
    ///
    /// # Returns
    ///
    /// a new `GLWindow` using `display`'s connection
    pub fn new<P: IsA<GLDisplay>>(display: &P) -> GLWindow {
        skip_assert_initialized!();
        unsafe {
            from_glib_full(gst_gl_sys::gst_gl_window_new(
                display.as_ref().to_glib_none().0,
            ))
        }
    }
}

unsafe impl Send for GLWindow {}
unsafe impl Sync for GLWindow {}

pub const NONE_GL_WINDOW: Option<&GLWindow> = None;

/// Trait containing all `GLWindow` methods.
///
/// # Implementors
///
/// [`GLWindow`](struct.GLWindow.html)
pub trait GLWindowExt: 'static {
    /// Checks if `self` controls the GL viewport.
    ///
    /// Feature: `v1_16`
    ///
    ///
    /// # Returns
    ///
    /// `true` if `self` controls the GL viewport, otherwise `false`
    #[cfg(any(feature = "v1_16", feature = "dox"))]
    fn controls_viewport(&self) -> bool;

    /// Redraw the window contents. Implementations should invoke the draw callback.
    fn draw(&self);

    ///
    /// # Returns
    ///
    /// the `GLContext` associated with this `self`
    fn get_context(&self) -> Option<GLContext>;

    /// ## `width`
    /// resulting surface width
    /// ## `height`
    /// resulting surface height
    fn get_surface_dimensions(&self) -> (u32, u32);

    /// Tell a `self` that it should handle events from the window system. These
    /// events are forwarded upstream as navigation events. In some window systems
    /// events are not propagated in the window hierarchy if a client is listening
    /// for them. This method allows you to disable events handling completely
    /// from the `self`.
    /// ## `handle_events`
    /// a `gboolean` indicating if events should be handled or not.
    fn handle_events(&self, handle_events: bool);

    /// Queue resizing of `self`.
    fn queue_resize(&self);

    /// Quit the runloop's execution.
    fn quit(&self);

    /// Resize `self` to the given `width` and `height`.
    /// ## `width`
    /// new width
    /// ## `height`
    /// new height
    fn resize(&self, width: u32, height: u32);

    /// Start the execution of the runloop.
    fn run(&self);

    fn send_key_event(&self, event_type: &str, key_str: &str);

    fn send_mouse_event(&self, event_type: &str, button: i32, posx: f64, posy: f64);

    /// Set the preferred width and height of the window. Implementations are free
    /// to ignore this information.
    /// ## `width`
    /// new preferred width
    /// ## `height`
    /// new preferred height
    fn set_preferred_size(&self, width: i32, height: i32);

    /// Tell a `self` that it should render into a specific region of the window
    /// according to the `gst_video::VideoOverlay` interface.
    /// ## `x`
    /// x position
    /// ## `y`
    /// y position
    /// ## `width`
    /// width
    /// ## `height`
    /// height
    ///
    /// # Returns
    ///
    /// whether the specified region could be set
    fn set_render_rectangle(
        &self,
        x: i32,
        y: i32,
        width: i32,
        height: i32,
    ) -> Result<(), glib::error::BoolError>;

    /// Present the window to the screen.
    fn show(&self);

    /// Will be emitted when a key event is received by the GstGLwindow.
    /// ## `id`
    /// the name of the event
    /// ## `key`
    /// the id of the key pressed
    fn connect_key_event<F: Fn(&Self, &str, &str) + Send + Sync + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId;

    /// Will be emitted when a mouse event is received by the GstGLwindow.
    /// ## `id`
    /// the name of the event
    /// ## `button`
    /// the id of the button
    /// ## `x`
    /// the x coordinate of the mouse event
    /// ## `y`
    /// the y coordinate of the mouse event
    fn connect_mouse_event<F: Fn(&Self, &str, i32, f64, f64) + Send + Sync + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId;
}

impl<O: IsA<GLWindow>> GLWindowExt for O {
    #[cfg(any(feature = "v1_16", feature = "dox"))]
    fn controls_viewport(&self) -> bool {
        unsafe {
            from_glib(gst_gl_sys::gst_gl_window_controls_viewport(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn draw(&self) {
        unsafe {
            gst_gl_sys::gst_gl_window_draw(self.as_ref().to_glib_none().0);
        }
    }

    fn get_context(&self) -> Option<GLContext> {
        unsafe {
            from_glib_full(gst_gl_sys::gst_gl_window_get_context(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    fn get_surface_dimensions(&self) -> (u32, u32) {
        unsafe {
            let mut width = mem::MaybeUninit::uninit();
            let mut height = mem::MaybeUninit::uninit();
            gst_gl_sys::gst_gl_window_get_surface_dimensions(
                self.as_ref().to_glib_none().0,
                width.as_mut_ptr(),
                height.as_mut_ptr(),
            );
            let width = width.assume_init();
            let height = height.assume_init();
            (width, height)
        }
    }

    fn handle_events(&self, handle_events: bool) {
        unsafe {
            gst_gl_sys::gst_gl_window_handle_events(
                self.as_ref().to_glib_none().0,
                handle_events.to_glib(),
            );
        }
    }

    fn queue_resize(&self) {
        unsafe {
            gst_gl_sys::gst_gl_window_queue_resize(self.as_ref().to_glib_none().0);
        }
    }

    fn quit(&self) {
        unsafe {
            gst_gl_sys::gst_gl_window_quit(self.as_ref().to_glib_none().0);
        }
    }

    fn resize(&self, width: u32, height: u32) {
        unsafe {
            gst_gl_sys::gst_gl_window_resize(self.as_ref().to_glib_none().0, width, height);
        }
    }

    fn run(&self) {
        unsafe {
            gst_gl_sys::gst_gl_window_run(self.as_ref().to_glib_none().0);
        }
    }

    fn send_key_event(&self, event_type: &str, key_str: &str) {
        unsafe {
            gst_gl_sys::gst_gl_window_send_key_event(
                self.as_ref().to_glib_none().0,
                event_type.to_glib_none().0,
                key_str.to_glib_none().0,
            );
        }
    }

    fn send_mouse_event(&self, event_type: &str, button: i32, posx: f64, posy: f64) {
        unsafe {
            gst_gl_sys::gst_gl_window_send_mouse_event(
                self.as_ref().to_glib_none().0,
                event_type.to_glib_none().0,
                button,
                posx,
                posy,
            );
        }
    }

    fn set_preferred_size(&self, width: i32, height: i32) {
        unsafe {
            gst_gl_sys::gst_gl_window_set_preferred_size(
                self.as_ref().to_glib_none().0,
                width,
                height,
            );
        }
    }

    fn set_render_rectangle(
        &self,
        x: i32,
        y: i32,
        width: i32,
        height: i32,
    ) -> Result<(), glib::error::BoolError> {
        unsafe {
            glib_result_from_gboolean!(
                gst_gl_sys::gst_gl_window_set_render_rectangle(
                    self.as_ref().to_glib_none().0,
                    x,
                    y,
                    width,
                    height
                ),
                "Failed to set the specified region"
            )
        }
    }

    fn show(&self) {
        unsafe {
            gst_gl_sys::gst_gl_window_show(self.as_ref().to_glib_none().0);
        }
    }

    fn connect_key_event<F: Fn(&Self, &str, &str) + Send + Sync + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn key_event_trampoline<
            P,
            F: Fn(&P, &str, &str) + Send + Sync + 'static,
        >(
            this: *mut gst_gl_sys::GstGLWindow,
            id: *mut libc::c_char,
            key: *mut libc::c_char,
            f: glib_sys::gpointer,
        ) where
            P: IsA<GLWindow>,
        {
            let f: &F = &*(f as *const F);
            f(
                &GLWindow::from_glib_borrow(this).unsafe_cast(),
                &GString::from_glib_borrow(id),
                &GString::from_glib_borrow(key),
            )
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"key-event\0".as_ptr() as *const _,
                Some(transmute(key_event_trampoline::<Self, F> as usize)),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_mouse_event<F: Fn(&Self, &str, i32, f64, f64) + Send + Sync + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn mouse_event_trampoline<
            P,
            F: Fn(&P, &str, i32, f64, f64) + Send + Sync + 'static,
        >(
            this: *mut gst_gl_sys::GstGLWindow,
            id: *mut libc::c_char,
            button: libc::c_int,
            x: libc::c_double,
            y: libc::c_double,
            f: glib_sys::gpointer,
        ) where
            P: IsA<GLWindow>,
        {
            let f: &F = &*(f as *const F);
            f(
                &GLWindow::from_glib_borrow(this).unsafe_cast(),
                &GString::from_glib_borrow(id),
                button,
                x,
                y,
            )
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"mouse-event\0".as_ptr() as *const _,
                Some(transmute(mouse_event_trampoline::<Self, F> as usize)),
                Box_::into_raw(f),
            )
        }
    }
}