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style: Cleanup some of the animation starting code.

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This commit is contained in:
Emilio Cobos Álvarez 2018-05-05 18:15:14 +02:00
parent 5327758b9b
commit d44bd82703
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GPG key ID: 056B727BB9C1027C
1 changed files with 59 additions and 56 deletions
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115
components/style/animation.rs
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@ -544,10 +544,9 @@ where
let box_style = new_style.get_box();
for (i, name) in box_style.animation_name_iter().enumerate() {
let name = if let Some(atom) = name.as_atom() {
atom
} else {
continue;
let name = match name.as_atom() {
Some(atom) => atom,
None => continue,
};
debug!("maybe_start_animations: name={}", name);
@ -556,61 +555,65 @@ where
continue;
}
if let Some(anim) = context.stylist.get_animation(name, element) {
debug!("maybe_start_animations: animation {} found", name);
let anim = match context.stylist.get_animation(name, element) {
Some(animation) => animation,
None => continue,
};
// If this animation doesn't have any keyframe, we can just continue
// without submitting it to the compositor, since both the first and
// the second keyframes would be synthetised from the computed
// values.
if anim.steps.is_empty() {
continue;
}
debug!("maybe_start_animations: animation {} found", name);
let delay = box_style.animation_delay_mod(i).seconds();
let now = context.timer.seconds();
let animation_start = now + delay as f64;
let duration = box_style.animation_duration_mod(i).seconds();
let iteration_state = match box_style.animation_iteration_count_mod(i) {
AnimationIterationCount::Infinite => KeyframesIterationState::Infinite,
AnimationIterationCount::Number(n) => KeyframesIterationState::Finite(0.0, n),
};
let animation_direction = box_style.animation_direction_mod(i);
let initial_direction = match animation_direction {
AnimationDirection::Normal | AnimationDirection::Alternate => {
AnimationDirection::Normal
},
AnimationDirection::Reverse | AnimationDirection::AlternateReverse => {
AnimationDirection::Reverse
},
};
let running_state = match box_style.animation_play_state_mod(i) {
AnimationPlayState::Paused => KeyframesRunningState::Paused(0.),
AnimationPlayState::Running => KeyframesRunningState::Running,
};
new_animations_sender
.send(Animation::Keyframes(
node,
anim.clone(),
name.clone(),
KeyframesAnimationState {
started_at: animation_start,
duration: duration as f64,
delay: delay as f64,
iteration_state: iteration_state,
running_state: running_state,
direction: animation_direction,
current_direction: initial_direction,
expired: false,
cascade_style: new_style.clone(),
},
)).unwrap();
had_animations = true;
// If this animation doesn't have any keyframe, we can just continue
// without submitting it to the compositor, since both the first and
// the second keyframes would be synthetised from the computed
// values.
if anim.steps.is_empty() {
continue;
}
let delay = box_style.animation_delay_mod(i).seconds();
let now = context.timer.seconds();
let animation_start = now + delay as f64;
let duration = box_style.animation_duration_mod(i).seconds();
let iteration_state = match box_style.animation_iteration_count_mod(i) {
AnimationIterationCount::Infinite => KeyframesIterationState::Infinite,
AnimationIterationCount::Number(n) => KeyframesIterationState::Finite(0.0, n),
};
let animation_direction = box_style.animation_direction_mod(i);
let initial_direction = match animation_direction {
AnimationDirection::Normal | AnimationDirection::Alternate => {
AnimationDirection::Normal
},
AnimationDirection::Reverse | AnimationDirection::AlternateReverse => {
AnimationDirection::Reverse
},
};
let running_state = match box_style.animation_play_state_mod(i) {
AnimationPlayState::Paused => KeyframesRunningState::Paused(0.),
AnimationPlayState::Running => KeyframesRunningState::Running,
};
new_animations_sender
.send(Animation::Keyframes(
node,
anim.clone(),
name.clone(),
KeyframesAnimationState {
started_at: animation_start,
duration: duration as f64,
delay: delay as f64,
iteration_state,
running_state,
direction: animation_direction,
current_direction: initial_direction,
expired: false,
cascade_style: new_style.clone(),
},
))
.unwrap();
had_animations = true;
}
had_animations