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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
//! Specified types for UI properties.
use crate::parser::{Parse, ParserContext};
use crate::values::generics::ui as generics;
use crate::values::specified::color::Color;
use crate::values::specified::image::Image;
use crate::values::specified::Number;
use cssparser::Parser;
use std::fmt::{self, Write};
use style_traits::{
CssWriter, KeywordsCollectFn, ParseError, SpecifiedValueInfo, StyleParseErrorKind, ToCss,
};
/// A specified value for the `cursor` property.
pub type Cursor = generics::GenericCursor<CursorImage>;
/// A specified value for item of `image cursors`.
pub type CursorImage = generics::GenericCursorImage<Image, Number>;
impl Parse for Cursor {
/// cursor: [<url> [<number> <number>]?]# [auto | default | ...]
fn parse<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i>> {
let mut images = vec![];
loop {
match input.try_parse(|input| CursorImage::parse(context, input)) {
Ok(image) => images.push(image),
Err(_) => break,
}
input.expect_comma()?;
}
Ok(Self {
images: images.into(),
keyword: CursorKind::parse(input)?,
})
}
}
impl Parse for CursorImage {
fn parse<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i>> {
use crate::Zero;
let image = Image::parse_only_url(context, input)?;
let mut has_hotspot = false;
let mut hotspot_x = Number::zero();
let mut hotspot_y = Number::zero();
if let Ok(x) = input.try_parse(|input| Number::parse(context, input)) {
has_hotspot = true;
hotspot_x = x;
hotspot_y = Number::parse(context, input)?;
}
Ok(Self {
image,
has_hotspot,
hotspot_x,
hotspot_y,
})
}
}
// This trait is manually implemented because we don't support the whole <image>
// syntax for cursors
impl SpecifiedValueInfo for CursorImage {
fn collect_completion_keywords(f: KeywordsCollectFn) {
f(&["url", "image-set"]);
}
}
/// Specified value of `-moz-force-broken-image-icon`
#[derive(
Clone,
Copy,
Debug,
MallocSizeOf,
PartialEq,
SpecifiedValueInfo,
ToComputedValue,
ToResolvedValue,
ToShmem,
)]
#[repr(transparent)]
pub struct BoolInteger(pub bool);
impl BoolInteger {
/// Returns 0
#[inline]
pub fn zero() -> Self {
Self(false)
}
}
impl Parse for BoolInteger {
fn parse<'i, 't>(
_context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i>> {
// We intentionally don't support calc values here.
match input.expect_integer()? {
0 => Ok(Self(false)),
1 => Ok(Self(true)),
_ => Err(input.new_custom_error(StyleParseErrorKind::UnspecifiedError)),
}
}
}
impl ToCss for BoolInteger {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
where
W: Write,
{
dest.write_str(if self.0 { "1" } else { "0" })
}
}
/// A specified value for `scrollbar-color` property
pub type ScrollbarColor = generics::ScrollbarColor<Color>;
impl Parse for ScrollbarColor {
fn parse<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i>> {
if input.try_parse(|i| i.expect_ident_matching("auto")).is_ok() {
return Ok(generics::ScrollbarColor::Auto);
}
Ok(generics::ScrollbarColor::Colors {
thumb: Color::parse(context, input)?,
track: Color::parse(context, input)?,
})
}
}
/// The specified value for the `user-select` property.
///
#[allow(missing_docs)]
#[derive(
Clone,
Copy,
Debug,
Eq,
MallocSizeOf,
Parse,
PartialEq,
SpecifiedValueInfo,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
#[repr(u8)]
pub enum UserSelect {
Auto,
Text,
#[parse(aliases = "-moz-none")]
None,
/// Force selection of all children.
All,
}
/// The keywords allowed in the Cursor property.
///
#[allow(missing_docs)]
#[derive(
Clone,
Copy,
Debug,
Eq,
FromPrimitive,
MallocSizeOf,
Parse,
PartialEq,
SpecifiedValueInfo,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
#[repr(u8)]
pub enum CursorKind {
None,
Default,
Pointer,
ContextMenu,
Help,
Progress,
Wait,
Cell,
Crosshair,
Text,
VerticalText,
Alias,
Copy,
Move,
NoDrop,
NotAllowed,
#[parse(aliases = "-moz-grab")]
Grab,
#[parse(aliases = "-moz-grabbing")]
Grabbing,
EResize,
NResize,
NeResize,
NwResize,
SResize,
SeResize,
SwResize,
WResize,
EwResize,
NsResize,
NeswResize,
NwseResize,
ColResize,
RowResize,
AllScroll,
#[parse(aliases = "-moz-zoom-in")]
ZoomIn,
#[parse(aliases = "-moz-zoom-out")]
ZoomOut,
Auto,
}
/// The keywords allowed in the -moz-theme property.
#[allow(missing_docs)]
#[derive(
Clone,
Copy,
Debug,
Eq,
FromPrimitive,
MallocSizeOf,
Parse,
PartialEq,
SpecifiedValueInfo,
ToComputedValue,
ToCss,
ToResolvedValue,
ToShmem,
)]
#[repr(u8)]
pub enum MozTheme {
/// Choose the default (maybe native) rendering.
Auto,
/// Choose the non-native rendering.
NonNative,
}