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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
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use style::media_queries::Device;
use style::shared_lock::SharedRwLockReadGuard;
use style::stylesheet_set::{AuthorStylesheetSet, DocumentStylesheetSet};
use style::stylesheets::StylesheetInDocument;
/// Functionality common to DocumentStylesheetSet and AuthorStylesheetSet.
pub enum StylesheetSetRef<'a, S>
where
S: StylesheetInDocument + PartialEq + 'static,
{
/// Author stylesheet set.
Author(&'a mut AuthorStylesheetSet<S>),
/// Document stylesheet set.
Document(&'a mut DocumentStylesheetSet<S>),
}
impl<'a, S> StylesheetSetRef<'a, S>
where
S: StylesheetInDocument + PartialEq + 'static,
{
/// Appends a new stylesheet to the current set.
///
/// No device implies not computing invalidations.
pub fn append_stylesheet(
&mut self,
device: Option<&Device>,
sheet: S,
guard: &SharedRwLockReadGuard,
) {
match self {
StylesheetSetRef::Author(set) => set.append_stylesheet(device, sheet, guard),
StylesheetSetRef::Document(set) => set.append_stylesheet(device, sheet, guard),
}
}
/// Insert a given stylesheet before another stylesheet in the document.
pub fn insert_stylesheet_before(
&mut self,
device: Option<&Device>,
sheet: S,
before_sheet: S,
guard: &SharedRwLockReadGuard,
) {
match self {
StylesheetSetRef::Author(set) => {
set.insert_stylesheet_before(device, sheet, before_sheet, guard)
},
StylesheetSetRef::Document(set) => {
set.insert_stylesheet_before(device, sheet, before_sheet, guard)
},
}
}
/// Remove a given stylesheet from the set.
pub fn remove_stylesheet(
&mut self,
device: Option<&Device>,
sheet: S,
guard: &SharedRwLockReadGuard,
) {
match self {
StylesheetSetRef::Author(set) => set.remove_stylesheet(device, sheet, guard),
StylesheetSetRef::Document(set) => set.remove_stylesheet(device, sheet, guard),
}
}
}
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