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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */

use dom_struct::dom_struct;
use js::rust::HandleObject;

use crate::dom::bindings::codegen::Bindings::DOMPointBinding::{DOMPointInit, DOMPointMethods};
use crate::dom::bindings::codegen::Bindings::DOMQuadBinding::{DOMQuadInit, DOMQuadMethods};
use crate::dom::bindings::codegen::Bindings::DOMRectReadOnlyBinding::DOMRectInit;
use crate::dom::bindings::error::Fallible;
use crate::dom::bindings::reflector::{reflect_dom_object_with_proto, DomObject, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::dompoint::DOMPoint;
use crate::dom::domrect::DOMRect;
use crate::dom::globalscope::GlobalScope;
use crate::script_runtime::CanGc;

// https://drafts.fxtf.org/geometry/#DOMQuad
#[dom_struct]
pub struct DOMQuad {
    reflector_: Reflector,
    p1: Dom<DOMPoint>,
    p2: Dom<DOMPoint>,
    p3: Dom<DOMPoint>,
    p4: Dom<DOMPoint>,
}

#[allow(non_snake_case)]
impl DOMQuad {
    fn new_inherited(p1: &DOMPoint, p2: &DOMPoint, p3: &DOMPoint, p4: &DOMPoint) -> DOMQuad {
        DOMQuad {
            reflector_: Reflector::new(),
            p1: Dom::from_ref(p1),
            p2: Dom::from_ref(p2),
            p3: Dom::from_ref(p3),
            p4: Dom::from_ref(p4),
        }
    }

    pub fn new(
        global: &GlobalScope,
        p1: &DOMPoint,
        p2: &DOMPoint,
        p3: &DOMPoint,
        p4: &DOMPoint,
    ) -> DomRoot<DOMQuad> {
        Self::new_with_proto(global, None, p1, p2, p3, p4, CanGc::note())
    }

    fn new_with_proto(
        global: &GlobalScope,
        proto: Option<HandleObject>,
        p1: &DOMPoint,
        p2: &DOMPoint,
        p3: &DOMPoint,
        p4: &DOMPoint,
        can_gc: CanGc,
    ) -> DomRoot<DOMQuad> {
        reflect_dom_object_with_proto(
            Box::new(DOMQuad::new_inherited(p1, p2, p3, p4)),
            global,
            proto,
            can_gc,
        )
    }

    pub fn Constructor(
        global: &GlobalScope,
        proto: Option<HandleObject>,
        can_gc: CanGc,
        p1: &DOMPointInit,
        p2: &DOMPointInit,
        p3: &DOMPointInit,
        p4: &DOMPointInit,
    ) -> Fallible<DomRoot<DOMQuad>> {
        Ok(DOMQuad::new_with_proto(
            global,
            proto,
            &DOMPoint::new_from_init(global, p1),
            &DOMPoint::new_from_init(global, p2),
            &DOMPoint::new_from_init(global, p3),
            &DOMPoint::new_from_init(global, p4),
            can_gc,
        ))
    }

    // https://drafts.fxtf.org/geometry/#dom-domquad-fromrect
    pub fn FromRect(global: &GlobalScope, other: &DOMRectInit) -> DomRoot<DOMQuad> {
        DOMQuad::new(
            global,
            &DOMPoint::new(global, other.x, other.y, 0f64, 1f64),
            &DOMPoint::new(global, other.x + other.width, other.y, 0f64, 1f64),
            &DOMPoint::new(
                global,
                other.x + other.width,
                other.y + other.height,
                0f64,
                1f64,
            ),
            &DOMPoint::new(global, other.x, other.y + other.height, 0f64, 1f64),
        )
    }

    // https://drafts.fxtf.org/geometry/#dom-domquad-fromquad
    pub fn FromQuad(global: &GlobalScope, other: &DOMQuadInit) -> DomRoot<DOMQuad> {
        DOMQuad::new(
            global,
            &DOMPoint::new_from_init(global, &other.p1),
            &DOMPoint::new_from_init(global, &other.p2),
            &DOMPoint::new_from_init(global, &other.p3),
            &DOMPoint::new_from_init(global, &other.p4),
        )
    }
}

impl DOMQuadMethods for DOMQuad {
    // https://drafts.fxtf.org/geometry/#dom-domquad-p1
    fn P1(&self) -> DomRoot<DOMPoint> {
        DomRoot::from_ref(&self.p1)
    }

    // https://drafts.fxtf.org/geometry/#dom-domquad-p2
    fn P2(&self) -> DomRoot<DOMPoint> {
        DomRoot::from_ref(&self.p2)
    }

    // https://drafts.fxtf.org/geometry/#dom-domquad-p3
    fn P3(&self) -> DomRoot<DOMPoint> {
        DomRoot::from_ref(&self.p3)
    }

    // https://drafts.fxtf.org/geometry/#dom-domquad-p4
    fn P4(&self) -> DomRoot<DOMPoint> {
        DomRoot::from_ref(&self.p4)
    }

    // https://drafts.fxtf.org/geometry/#dom-domquad-getbounds
    fn GetBounds(&self) -> DomRoot<DOMRect> {
        let left = self
            .p1
            .X()
            .min(self.p2.X())
            .min(self.p3.X())
            .min(self.p4.X());
        let top = self
            .p1
            .Y()
            .min(self.p2.Y())
            .min(self.p3.Y())
            .min(self.p4.Y());
        let right = self
            .p1
            .X()
            .max(self.p2.X())
            .max(self.p3.X())
            .max(self.p4.X());
        let bottom = self
            .p1
            .Y()
            .max(self.p2.Y())
            .max(self.p3.Y())
            .max(self.p4.Y());

        DOMRect::new(&self.global(), left, top, right - left, bottom - top)
    }
}