script/dom/webvtt/
vttregion.rs1use std::cell::Cell;
6
7use dom_struct::dom_struct;
8use js::context::JSContext;
9use js::rust::HandleObject;
10use script_bindings::cell::DomRefCell;
11use script_bindings::domstring::TracedDOMString;
12use script_bindings::reflector::{Reflector, reflect_dom_object_with_proto};
13
14use crate::dom::bindings::codegen::Bindings::VTTRegionBinding::{ScrollSetting, VTTRegionMethods};
15use crate::dom::bindings::error::{Error, ErrorResult, Fallible};
16use crate::dom::bindings::num::Finite;
17use crate::dom::bindings::root::DomRoot;
18use crate::dom::bindings::str::DOMString;
19use crate::dom::window::Window;
20
21#[dom_struct]
22pub(crate) struct VTTRegion {
23 reflector_: Reflector,
24 id: DomRefCell<TracedDOMString>,
25 width: Cell<f64>,
26 lines: Cell<u32>,
27 region_anchor_x: Cell<f64>,
28 region_anchor_y: Cell<f64>,
29 viewport_anchor_x: Cell<f64>,
30 viewport_anchor_y: Cell<f64>,
31 scroll: Cell<ScrollSetting>,
32}
33
34impl VTTRegion {
35 fn new_inherited() -> Self {
36 VTTRegion {
37 reflector_: Reflector::new(),
38 id: DomRefCell::new(DOMString::default().traced()),
39 width: Cell::new(100_f64),
40 lines: Cell::new(3),
41 region_anchor_x: Cell::new(0_f64),
42 region_anchor_y: Cell::new(100_f64),
43 viewport_anchor_x: Cell::new(0_f64),
44 viewport_anchor_y: Cell::new(100_f64),
45 scroll: Cell::new(Default::default()),
46 }
47 }
48
49 fn new(cx: &mut JSContext, window: &Window, proto: Option<HandleObject>) -> DomRoot<Self> {
50 reflect_dom_object_with_proto(cx, Box::new(Self::new_inherited()), window, proto)
51 }
52}
53
54impl VTTRegionMethods<crate::DomTypeHolder> for VTTRegion {
55 fn Constructor(
57 cx: &mut JSContext,
58 window: &Window,
59 proto: Option<HandleObject>,
60 ) -> Fallible<DomRoot<Self>> {
61 Ok(VTTRegion::new(cx, window, proto))
62 }
63
64 fn Id(&self) -> DOMString {
66 self.id.borrow().clone().root()
67 }
68
69 fn SetId(&self, value: DOMString) {
71 *self.id.borrow_mut() = value.traced();
72 }
73
74 fn Width(&self) -> Finite<f64> {
76 Finite::wrap(self.width.get())
77 }
78
79 fn SetWidth(&self, value: Finite<f64>) -> ErrorResult {
81 if *value < 0_f64 || *value > 100_f64 {
82 return Err(Error::IndexSize(None));
83 }
84
85 self.width.set(*value);
86 Ok(())
87 }
88
89 fn Lines(&self) -> u32 {
91 self.lines.get()
92 }
93
94 fn SetLines(&self, value: u32) -> ErrorResult {
96 self.lines.set(value);
97 Ok(())
98 }
99
100 fn RegionAnchorX(&self) -> Finite<f64> {
102 Finite::wrap(self.region_anchor_x.get())
103 }
104
105 fn SetRegionAnchorX(&self, value: Finite<f64>) -> ErrorResult {
107 if *value < 0_f64 || *value > 100_f64 {
108 return Err(Error::IndexSize(None));
109 }
110
111 self.region_anchor_x.set(*value);
112 Ok(())
113 }
114
115 fn RegionAnchorY(&self) -> Finite<f64> {
117 Finite::wrap(self.region_anchor_y.get())
118 }
119
120 fn SetRegionAnchorY(&self, value: Finite<f64>) -> ErrorResult {
122 if *value < 0_f64 || *value > 100_f64 {
123 return Err(Error::IndexSize(None));
124 }
125
126 self.region_anchor_y.set(*value);
127 Ok(())
128 }
129
130 fn ViewportAnchorX(&self) -> Finite<f64> {
132 Finite::wrap(self.viewport_anchor_x.get())
133 }
134
135 fn SetViewportAnchorX(&self, value: Finite<f64>) -> ErrorResult {
137 if *value < 0_f64 || *value > 100_f64 {
138 return Err(Error::IndexSize(None));
139 }
140
141 self.viewport_anchor_x.set(*value);
142 Ok(())
143 }
144
145 fn ViewportAnchorY(&self) -> Finite<f64> {
147 Finite::wrap(self.viewport_anchor_y.get())
148 }
149
150 fn SetViewportAnchorY(&self, value: Finite<f64>) -> ErrorResult {
152 if *value < 0_f64 || *value > 100_f64 {
153 return Err(Error::IndexSize(None));
154 }
155
156 self.viewport_anchor_y.set(*value);
157 Ok(())
158 }
159
160 fn Scroll(&self) -> ScrollSetting {
162 self.scroll.get()
163 }
164
165 fn SetScroll(&self, value: ScrollSetting) {
167 self.scroll.set(value);
168 }
169}