script/dom/html/
htmltablecellelement.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5use dom_struct::dom_struct;
6use html5ever::{LocalName, Prefix, local_name, ns};
7use js::rust::HandleObject;
8use style::attr::{AttrValue, LengthOrPercentageOrAuto};
9use style::color::AbsoluteColor;
10
11use crate::dom::attr::Attr;
12use crate::dom::bindings::codegen::Bindings::HTMLTableCellElementBinding::HTMLTableCellElementMethods;
13use crate::dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
14use crate::dom::bindings::inheritance::Castable;
15use crate::dom::bindings::root::{DomRoot, LayoutDom};
16use crate::dom::bindings::str::DOMString;
17use crate::dom::document::Document;
18use crate::dom::element::{AttributeMutation, Element, LayoutElementHelpers};
19use crate::dom::html::htmlelement::HTMLElement;
20use crate::dom::html::htmltableelement::HTMLTableElement;
21use crate::dom::html::htmltablerowelement::HTMLTableRowElement;
22use crate::dom::html::htmltablesectionelement::HTMLTableSectionElement;
23use crate::dom::node::{LayoutNodeHelpers, Node, NodeDamage};
24use crate::dom::virtualmethods::VirtualMethods;
25
26const DEFAULT_COLSPAN: u32 = 1;
27const DEFAULT_ROWSPAN: u32 = 1;
28
29#[dom_struct]
30pub(crate) struct HTMLTableCellElement {
31    htmlelement: HTMLElement,
32}
33
34impl HTMLTableCellElement {
35    fn new_inherited(
36        local_name: LocalName,
37        prefix: Option<Prefix>,
38        document: &Document,
39    ) -> HTMLTableCellElement {
40        HTMLTableCellElement {
41            htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
42        }
43    }
44
45    pub(crate) fn new(
46        cx: &mut js::context::JSContext,
47        local_name: LocalName,
48        prefix: Option<Prefix>,
49        document: &Document,
50        proto: Option<HandleObject>,
51    ) -> DomRoot<HTMLTableCellElement> {
52        let n = Node::reflect_node_with_proto(
53            cx,
54            Box::new(HTMLTableCellElement::new_inherited(
55                local_name, prefix, document,
56            )),
57            document,
58            proto,
59        );
60
61        n.upcast::<Node>().set_weird_parser_insertion_mode();
62        n
63    }
64}
65
66impl HTMLTableCellElementMethods<crate::DomTypeHolder> for HTMLTableCellElement {
67    // https://html.spec.whatwg.org/multipage/#dom-tdth-colspan
68    make_uint_getter!(ColSpan, "colspan", DEFAULT_COLSPAN);
69
70    // https://html.spec.whatwg.org/multipage/#dom-tdth-colspan
71    // > The colSpan IDL attribute must reflect the colspan content attribute. It is clamped to
72    // > the range [1, 1000], and its default value is 1.
73    make_clamped_uint_setter!(SetColSpan, "colspan", 1, 1000, 1);
74
75    // https://html.spec.whatwg.org/multipage/#dom-tdth-rowspan
76    make_uint_getter!(RowSpan, "rowspan", DEFAULT_ROWSPAN);
77
78    // https://html.spec.whatwg.org/multipage/#dom-tdth-rowspan
79    // > The rowSpan IDL attribute must reflect the rowspan content attribute. It is clamped to
80    // > the range [0, 65534], and its default value is 1.
81    make_clamped_uint_setter!(SetRowSpan, "rowspan", 0, 65534, 1);
82
83    // https://html.spec.whatwg.org/multipage/#dom-tdth-bgcolor
84    make_getter!(BgColor, "bgcolor");
85
86    // https://html.spec.whatwg.org/multipage/#dom-tdth-bgcolor
87    make_legacy_color_setter!(SetBgColor, "bgcolor");
88
89    // <https://html.spec.whatwg.org/multipage/#dom-tdth-height>
90    make_getter!(Height, "height");
91
92    // <https://html.spec.whatwg.org/multipage/#dom-tdth-height>
93    make_nonzero_dimension_setter!(SetHeight, "height");
94
95    // <https://html.spec.whatwg.org/multipage/#dom-tdth-width>
96    make_getter!(Width, "width");
97
98    // <https://html.spec.whatwg.org/multipage/#dom-tdth-width>
99    make_nonzero_dimension_setter!(SetWidth, "width");
100
101    /// <https://html.spec.whatwg.org/multipage/#dom-tdth-cellindex>
102    fn CellIndex(&self) -> i32 {
103        let self_node = self.upcast::<Node>();
104
105        let parent_children = match self_node.GetParentNode() {
106            Some(ref parent_node) if parent_node.is::<HTMLTableRowElement>() => {
107                parent_node.children()
108            },
109            _ => return -1,
110        };
111
112        parent_children
113            .filter(|c| c.is::<HTMLTableCellElement>())
114            .position(|c| &*c == self_node)
115            .map_or(-1, |p| p as i32)
116    }
117}
118
119pub(crate) trait HTMLTableCellElementLayoutHelpers<'dom> {
120    fn get_background_color(self) -> Option<AbsoluteColor>;
121    fn get_colspan(self) -> Option<u32>;
122    fn get_rowspan(self) -> Option<u32>;
123    fn get_table(self) -> Option<LayoutDom<'dom, HTMLTableElement>>;
124    fn get_width(self) -> LengthOrPercentageOrAuto;
125    fn get_height(self) -> LengthOrPercentageOrAuto;
126}
127
128impl<'dom> HTMLTableCellElementLayoutHelpers<'dom> for LayoutDom<'dom, HTMLTableCellElement> {
129    fn get_background_color(self) -> Option<AbsoluteColor> {
130        self.upcast::<Element>()
131            .get_attr_for_layout(&ns!(), &local_name!("bgcolor"))
132            .and_then(AttrValue::as_color)
133            .cloned()
134    }
135
136    fn get_colspan(self) -> Option<u32> {
137        self.upcast::<Element>()
138            .get_attr_for_layout(&ns!(), &local_name!("colspan"))
139            .map(AttrValue::as_uint)
140    }
141
142    fn get_rowspan(self) -> Option<u32> {
143        self.upcast::<Element>()
144            .get_attr_for_layout(&ns!(), &local_name!("rowspan"))
145            .map(AttrValue::as_uint)
146    }
147
148    fn get_table(self) -> Option<LayoutDom<'dom, HTMLTableElement>> {
149        let row = self.upcast::<Node>().composed_parent_node_ref()?;
150        row.downcast::<HTMLTableRowElement>()?;
151        let section = row.composed_parent_node_ref()?;
152        section.downcast::<HTMLTableElement>().or_else(|| {
153            section.downcast::<HTMLTableSectionElement>()?;
154            let table = section.composed_parent_node_ref()?;
155            table.downcast::<HTMLTableElement>()
156        })
157    }
158
159    fn get_width(self) -> LengthOrPercentageOrAuto {
160        self.upcast::<Element>()
161            .get_attr_for_layout(&ns!(), &local_name!("width"))
162            .map(AttrValue::as_dimension)
163            .cloned()
164            .unwrap_or(LengthOrPercentageOrAuto::Auto)
165    }
166
167    fn get_height(self) -> LengthOrPercentageOrAuto {
168        self.upcast::<Element>()
169            .get_attr_for_layout(&ns!(), &local_name!("height"))
170            .map(AttrValue::as_dimension)
171            .cloned()
172            .unwrap_or(LengthOrPercentageOrAuto::Auto)
173    }
174}
175
176impl VirtualMethods for HTMLTableCellElement {
177    fn super_type(&self) -> Option<&dyn VirtualMethods> {
178        Some(self.upcast::<HTMLElement>() as &dyn VirtualMethods)
179    }
180
181    fn attribute_mutated(
182        &self,
183        cx: &mut js::context::JSContext,
184        attr: &Attr,
185        mutation: AttributeMutation,
186    ) {
187        if let Some(super_type) = self.super_type() {
188            super_type.attribute_mutated(cx, attr, mutation);
189        }
190
191        if matches!(*attr.local_name(), local_name!("colspan")) {
192            self.upcast::<Node>().dirty(NodeDamage::Other);
193        }
194        if matches!(*attr.local_name(), local_name!("rowspan")) {
195            self.upcast::<Node>().dirty(NodeDamage::Other);
196        }
197    }
198
199    fn attribute_affects_presentational_hints(&self, attr: &Attr) -> bool {
200        match attr.local_name() {
201            &local_name!("width") | &local_name!("height") => true,
202            _ => self
203                .super_type()
204                .unwrap()
205                .attribute_affects_presentational_hints(attr),
206        }
207    }
208
209    fn parse_plain_attribute(&self, local_name: &LocalName, value: DOMString) -> AttrValue {
210        match *local_name {
211            local_name!("colspan") => {
212                let mut attr = AttrValue::from_u32(value.into(), DEFAULT_COLSPAN);
213                if let AttrValue::UInt(_, ref mut value) = attr {
214                    // From <https://html.spec.whatwg.org/multipage/#dom-tdth-colspan>:
215                    // > The colSpan IDL attribute must reflect the colspan content attribute. It is clamped to
216                    // > the range [1, 1000], and its default value is 1.
217                    *value = (*value).clamp(1, 1000);
218                }
219                attr
220            },
221            local_name!("rowspan") => {
222                let mut attr = AttrValue::from_u32(value.into(), DEFAULT_ROWSPAN);
223                if let AttrValue::UInt(_, ref mut value) = attr {
224                    // From <https://html.spec.whatwg.org/multipage/#dom-tdth-rowspan>:
225                    // > The rowSpan IDL attribute must reflect the rowspan content attribute. It is clamped to
226                    // > the range [0, 65534], and its default value is 1.
227                    // Note Firefox floors by 1 in quirks mode, but like Chrome and Safari we don't do that.
228                    *value = (*value).clamp(0, 65534);
229                }
230                attr
231            },
232            local_name!("bgcolor") => AttrValue::from_legacy_color(value.into()),
233            local_name!("width") => AttrValue::from_nonzero_dimension(value.into()),
234            local_name!("height") => AttrValue::from_nonzero_dimension(value.into()),
235            _ => self
236                .super_type()
237                .unwrap()
238                .parse_plain_attribute(local_name, value),
239        }
240    }
241}
script/dom/html/htmltablecellelement.rs

script/dom/html/
htmltablecellelement.rs
