1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168

/* 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::XRViewBinding::XREye;
use crate::dom::bindings::codegen::Bindings::XRWebGLBindingBinding::XRWebGLBinding_Binding::XRWebGLBindingMethods;
use crate::dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContext_Binding::WebGLRenderingContextMethods;
use crate::dom::bindings::codegen::Bindings::XRWebGLBindingBinding::{
    XRCubeLayerInit, XRCylinderLayerInit, XREquirectLayerInit, XRProjectionLayerInit,
    XRQuadLayerInit, XRTextureType,
};
use crate::dom::bindings::codegen::UnionTypes::WebGLRenderingContextOrWebGL2RenderingContext;
use crate::dom::bindings::error::{Error, Fallible};
use crate::dom::bindings::reflector::{reflect_dom_object_with_proto, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::webglrenderingcontext::WebGLRenderingContext;
use crate::dom::window::Window;
use crate::dom::xrcompositionlayer::XRCompositionLayer;
use crate::dom::xrcubelayer::XRCubeLayer;
use crate::dom::xrcylinderlayer::XRCylinderLayer;
use crate::dom::xrequirectlayer::XREquirectLayer;
use crate::dom::xrframe::XRFrame;
use crate::dom::xrprojectionlayer::XRProjectionLayer;
use crate::dom::xrquadlayer::XRQuadLayer;
use crate::dom::xrsession::XRSession;
use crate::dom::xrview::XRView;
use crate::dom::xrwebglsubimage::XRWebGLSubImage;
use crate::script_runtime::CanGc;

#[dom_struct]
pub struct XRWebGLBinding {
    reflector: Reflector,
    session: Dom<XRSession>,
    context: Dom<WebGLRenderingContext>,
}

impl XRWebGLBinding {
    pub fn new_inherited(session: &XRSession, context: &WebGLRenderingContext) -> XRWebGLBinding {
        XRWebGLBinding {
            reflector: Reflector::new(),
            session: Dom::from_ref(session),
            context: Dom::from_ref(context),
        }
    }

    fn new(
        global: &Window,
        proto: Option<HandleObject>,
        session: &XRSession,
        context: &WebGLRenderingContext,
        can_gc: CanGc,
    ) -> DomRoot<XRWebGLBinding> {
        reflect_dom_object_with_proto(
            Box::new(XRWebGLBinding::new_inherited(session, context)),
            global,
            proto,
            can_gc,
        )
    }
}

impl XRWebGLBindingMethods for XRWebGLBinding {
    /// <https://immersive-web.github.io/layers/#dom-xrwebglbinding-xrwebglbinding>
    fn Constructor(
        global: &Window,
        proto: Option<HandleObject>,
        can_gc: CanGc,
        session: &XRSession,
        context: WebGLRenderingContextOrWebGL2RenderingContext,
    ) -> Fallible<DomRoot<XRWebGLBinding>> {
        let context = match context {
            WebGLRenderingContextOrWebGL2RenderingContext::WebGLRenderingContext(ctx) => ctx,
            WebGLRenderingContextOrWebGL2RenderingContext::WebGL2RenderingContext(ctx) => {
                ctx.base_context()
            },
        };
        // Step 2
        if session.is_ended() {
            return Err(Error::InvalidState);
        }

        // step 3
        if context.IsContextLost() {
            return Err(Error::InvalidState);
        }

        // Step 4
        if !session.is_immersive() {
            return Err(Error::InvalidState);
        };

        // Step 5 throw an InvalidStateError If context’s XR compatible boolean is false.

        Ok(XRWebGLBinding::new(
            global, proto, session, &context, can_gc,
        ))
    }

    /// <https://immersive-web.github.io/layers/#dom-xrwebglbinding-createprojectionlayer>
    fn CreateProjectionLayer(
        &self,
        _: XRTextureType,
        _: &XRProjectionLayerInit,
    ) -> Fallible<DomRoot<XRProjectionLayer>> {
        // https://github.com/servo/servo/issues/27468
        Err(Error::NotSupported)
    }

    /// <https://immersive-web.github.io/layers/#dom-xrwebglbinding-createquadlayer>
    fn CreateQuadLayer(
        &self,
        _: XRTextureType,
        _: &Option<XRQuadLayerInit>,
    ) -> Fallible<DomRoot<XRQuadLayer>> {
        // https://github.com/servo/servo/issues/27493
        Err(Error::NotSupported)
    }

    /// <https://immersive-web.github.io/layers/#dom-xrwebglbinding-createcylinderlayer>
    fn CreateCylinderLayer(
        &self,
        _: XRTextureType,
        _: &Option<XRCylinderLayerInit>,
    ) -> Fallible<DomRoot<XRCylinderLayer>> {
        // https://github.com/servo/servo/issues/27493
        Err(Error::NotSupported)
    }

    /// <https://immersive-web.github.io/layers/#dom-xrwebglbinding-createequirectlayer>
    fn CreateEquirectLayer(
        &self,
        _: XRTextureType,
        _: &Option<XREquirectLayerInit>,
    ) -> Fallible<DomRoot<XREquirectLayer>> {
        // https://github.com/servo/servo/issues/27493
        Err(Error::NotSupported)
    }

    /// <https://immersive-web.github.io/layers/#dom-xrwebglbinding-createcubelayer>
    fn CreateCubeLayer(&self, _: &Option<XRCubeLayerInit>) -> Fallible<DomRoot<XRCubeLayer>> {
        // https://github.com/servo/servo/issues/27493
        Err(Error::NotSupported)
    }

    /// <https://immersive-web.github.io/layers/#dom-xrwebglbinding-getsubimage>
    fn GetSubImage(
        &self,
        _: &XRCompositionLayer,
        _: &XRFrame,
        _: XREye,
    ) -> Fallible<DomRoot<XRWebGLSubImage>> {
        // https://github.com/servo/servo/issues/27468
        Err(Error::NotSupported)
    }

    /// <https://immersive-web.github.io/layers/#dom-xrwebglbinding-getviewsubimage>
    fn GetViewSubImage(
        &self,
        _: &XRProjectionLayer,
        _: &XRView,
    ) -> Fallible<DomRoot<XRWebGLSubImage>> {
        // https://github.com/servo/servo/issues/27468
        Err(Error::NotSupported)
    }
}