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style: Make the transitions code make sense again.

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Emilio Cobos Álvarez 2018-05-05 18:27:38 +02:00
parent d44bd82703
commit d6092fae27
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2 changed files with 11 additions and 13 deletions
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20
components/style/matching.rs
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@ -331,7 +331,7 @@ trait PrivateMatchMethods: TElement {
fn process_animations(
&self,
context: &mut StyleContext<Self>,
old_values: &mut Option<Arc<ComputedValues>>,
old_values: Option<&Arc<ComputedValues>>,
new_values: &mut Arc<ComputedValues>,
restyle_hint: RestyleHint,
important_rules_changed: bool,
@ -413,7 +413,7 @@ trait PrivateMatchMethods: TElement {
fn process_animations(
&self,
context: &mut StyleContext<Self>,
old_values: &mut Option<Arc<ComputedValues>>,
old_values: Option<&Arc<ComputedValues>>,
new_values: &mut Arc<ComputedValues>,
_restyle_hint: RestyleHint,
_important_rules_changed: bool,
@ -423,11 +423,10 @@ trait PrivateMatchMethods: TElement {
let mut possibly_expired_animations = vec![];
let shared_context = context.shared;
if let Some(ref mut old) = *old_values {
// FIXME(emilio, #20116): This makes no sense.
if old_values.is_some() {
self.update_animations_for_cascade(
shared_context,
old,
new_values,
&mut possibly_expired_animations,
&context.thread_local.font_metrics_provider,
);
@ -446,7 +445,10 @@ trait PrivateMatchMethods: TElement {
// Trigger transitions if necessary. This will reset `new_values` back
// to its old value if it did trigger a transition.
if let Some(ref values) = *old_values {
//
// FIXME(emilio): We need logic to also stop the old transitions
// from running if transition-property / transition-duration changed.
if let Some(ref values) = old_values {
animation::start_transitions_if_applicable(
new_animations_sender,
this_opaque,
@ -573,10 +575,6 @@ trait PrivateMatchMethods: TElement {
// FIXME(emilio, #20116): It's not clear to me that the name of this method
// represents anything of what it does.
//
// Also, this function gets the old style, for some reason I don't really
// get, but the functions called (mainly update_style_for_animation) expects
// the new style, wtf?
#[cfg(feature = "servo")]
fn update_animations_for_cascade(
&self,
@ -680,7 +678,7 @@ pub trait MatchMethods: TElement {
self.process_animations(
context,
&mut data.styles.primary,
data.styles.primary.as_ref(),
&mut new_styles.primary.style.0,
data.hint,
important_rules_changed,