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https://github.com/servo/servo.git
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14b176019c
This reduces a lot the boilerplate that's needed in order to add simple binding functions. This starts using &Foo and Option<&Foo> instead, and as a result we need to remove the servo_function_signatures test, which is a bit unfortunate. I think it's worth though, this causes problems on some platforms (see bug 1534844), and messing up the functions signature is not something that I've ever seen (other than bug 1308234, which already had all the FooBorrowed mess which I'm removing). Also, cbindgen understands references and Option<&Foo>, so it will be the way to go in the future. After this patch we can also remove HasSimpleFFI, but I've kept it for now since I still use it in a few places, and this patch is quite big on its own. Differential Revision: https://phabricator.services.mozilla.com/D24092
85 lines
2.8 KiB
Rust
85 lines
2.8 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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//! A set of author stylesheets and their computed representation, such as the
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//! ones used for ShadowRoot and XBL.
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use crate::context::QuirksMode;
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use crate::dom::TElement;
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#[cfg(feature = "gecko")]
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use crate::gecko_bindings::sugar::ownership::{HasBoxFFI, HasFFI, HasSimpleFFI};
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use crate::invalidation::media_queries::ToMediaListKey;
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use crate::media_queries::Device;
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use crate::shared_lock::SharedRwLockReadGuard;
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use crate::stylesheet_set::AuthorStylesheetSet;
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use crate::stylesheets::StylesheetInDocument;
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use crate::stylist::CascadeData;
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/// A set of author stylesheets and their computed representation, such as the
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/// ones used for ShadowRoot and XBL.
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pub struct AuthorStyles<S>
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where
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S: StylesheetInDocument + PartialEq + 'static,
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{
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/// The sheet collection, which holds the sheet pointers, the invalidations,
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/// and all that stuff.
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pub stylesheets: AuthorStylesheetSet<S>,
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/// The actual cascade data computed from the stylesheets.
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pub data: CascadeData,
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/// The quirks mode of the last stylesheet flush, used because XBL sucks and
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/// we should really fix it, see bug 1406875.
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pub quirks_mode: QuirksMode,
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}
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impl<S> AuthorStyles<S>
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where
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S: StylesheetInDocument + PartialEq + 'static,
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{
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/// Create an empty AuthorStyles.
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#[inline]
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pub fn new() -> Self {
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Self {
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stylesheets: AuthorStylesheetSet::new(),
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data: CascadeData::new(),
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quirks_mode: QuirksMode::NoQuirks,
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}
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}
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/// Flush the pending sheet changes, updating `data` as appropriate.
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///
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/// TODO(emilio): Need a host element and a snapshot map to do invalidation
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/// properly.
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#[inline]
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pub fn flush<E>(
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&mut self,
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device: &Device,
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quirks_mode: QuirksMode,
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guard: &SharedRwLockReadGuard,
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) where
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E: TElement,
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S: ToMediaListKey,
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{
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let flusher = self
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.stylesheets
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.flush::<E>(/* host = */ None, /* snapshot_map = */ None);
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if flusher.sheets.dirty() {
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self.quirks_mode = quirks_mode;
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}
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// Ignore OOM.
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let _ = self
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.data
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.rebuild(device, quirks_mode, flusher.sheets, guard);
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}
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}
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#[cfg(feature = "gecko")]
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unsafe impl HasFFI for AuthorStyles<crate::gecko::data::GeckoStyleSheet> {
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type FFIType = crate::gecko_bindings::structs::RawServoAuthorStyles;
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}
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#[cfg(feature = "gecko")]
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unsafe impl HasSimpleFFI for AuthorStyles<crate::gecko::data::GeckoStyleSheet> {}
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#[cfg(feature = "gecko")]
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unsafe impl HasBoxFFI for AuthorStyles<crate::gecko::data::GeckoStyleSheet> {}
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