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44fd9a31e7
This parsing is hidden behind the pref layout.css.page-size.enabled. It isn't ideal that we parse this as a property, but we can't treat it as a descriptor because of compatibility issues with other browsers. There are also outstanding spec issues related to how descriptors like page-size are cascaded, and whether the !important specifier is valid or not. Differential Revision: https://phabricator.services.mozilla.com/D103958
116 lines
2.1 KiB
Rust
116 lines
2.1 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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//! @page at-rule properties
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/// Page size names.
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///
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/// https://drafts.csswg.org/css-page-3/#typedef-page-size-page-size
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#[derive(
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Clone,
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Copy,
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Debug,
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Eq,
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MallocSizeOf,
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Parse,
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PartialEq,
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SpecifiedValueInfo,
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ToComputedValue,
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ToCss,
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ToResolvedValue,
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ToShmem,
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)]
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#[repr(u8)]
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pub enum PaperSize {
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/// ISO A5 media
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A5,
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/// ISO A4 media
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A4,
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/// ISO A3 media
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A3,
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/// ISO B5 media
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B5,
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/// ISO B4 media
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B4,
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/// JIS B5 media
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JisB5,
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/// JIS B4 media
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JisB4,
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/// North American Letter size
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Letter,
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/// North American Legal size
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Legal,
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/// North American Ledger size
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Ledger,
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}
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/// Paper orientation
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///
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/// https://drafts.csswg.org/css-page-3/#page-size-prop
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#[derive(
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Clone,
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Copy,
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Debug,
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Eq,
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MallocSizeOf,
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Parse,
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PartialEq,
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SpecifiedValueInfo,
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ToComputedValue,
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ToCss,
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ToResolvedValue,
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ToShmem,
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)]
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#[repr(u8)]
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pub enum Orientation {
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/// Portrait orientation
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Portrait,
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/// Landscape orientation
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Landscape,
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}
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/// Page size property
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///
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/// https://drafts.csswg.org/css-page-3/#page-size-prop
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#[derive(
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Clone,
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Copy,
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Debug,
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MallocSizeOf,
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PartialEq,
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SpecifiedValueInfo,
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ToComputedValue,
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ToCss,
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ToResolvedValue,
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ToShmem,
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)]
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#[repr(C, u8)]
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pub enum GenericPageSize<S> {
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/// Page dimensions.
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Size(S),
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/// Paper size with no orientation.
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PaperSize(PaperSize),
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/// An orientation with no size.
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Orientation(Orientation),
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/// Paper size by name, with an orientation.
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PaperSizeAndOrientation(PaperSize, Orientation),
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/// `auto` value.
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Auto,
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}
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pub use self::GenericPageSize as PageSize;
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impl<S> PageSize<S> {
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/// `auto` value.
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#[inline]
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pub fn auto() -> Self {
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PageSize::Auto
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}
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/// Whether this is the `auto` value.
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#[inline]
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pub fn is_auto(&self) -> bool {
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matches!(*self, PageSize::Auto)
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}
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}
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