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style: Centralize construction of computed::Context

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For controlled construction and access of upcoming, lazily-evaluated container query size.

Differential Revision: https://phabricator.services.mozilla.com/D158055
This commit is contained in:
David Shin 2022-10-17 17:26:12 +00:00 • committed by Martin Robinson
parent d8785f3a22
commit 3acb103324
3 changed files with 45 additions and 20 deletions
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37
components/style/values/computed/mod.rs
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@ -246,6 +246,43 @@ impl<'a> Context<'a> {
f(&context)
}
/// Creates a context suitable for more general cases.
pub fn new(
builder: StyleBuilder<'a>,
quirks_mode: QuirksMode,
rule_cache_conditions: &'a mut RuleCacheConditions,
) -> Self {
Self {
builder,
cached_system_font: None,
in_media_query: false,
quirks_mode,
container_info: None,
for_smil_animation: false,
for_non_inherited_property: None,
rule_cache_conditions: RefCell::new(rule_cache_conditions),
}
}
/// Creates a context suitable for computing animations.
pub fn new_for_animation(
builder: StyleBuilder<'a>,
for_smil_animation: bool,
quirks_mode: QuirksMode,
rule_cache_conditions: &'a mut RuleCacheConditions,
) -> Self {
Self {
builder,
cached_system_font: None,
in_media_query: false,
quirks_mode,
container_info: None,
for_smil_animation,
for_non_inherited_property: None,
rule_cache_conditions: RefCell::new(rule_cache_conditions),
}
}
/// The current device.
pub fn device(&self) -> &Device {
self.builder.device