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style: Add a new Timer structure to the shared style context, and basic infrastructure for controlling animations.

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This commit is contained in:
Emilio Cobos Álvarez 2016-07-09 22:43:52 -07:00
parent 2e68821014
commit 0b67b218d0
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GPG key ID: 056B727BB9C1027C
20 changed files with 178 additions and 26 deletions
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9
components/layout/animation.rs
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@ -14,7 +14,7 @@ use script_traits::{AnimationState, LayoutMsg as ConstellationMsg};
use std::collections::HashMap;
use std::sync::mpsc::Receiver;
use style::animation::{Animation, update_style_for_animation};
use time;
use style::timer::Timer;
/// Processes any new animations that were discovered after style recalculation.
/// Also expire any old animations that have completed, inserting them into
@ -23,7 +23,8 @@ pub fn update_animation_state(constellation_chan: &IpcSender<ConstellationMsg>,
running_animations: &mut HashMap<OpaqueNode, Vec<Animation>>,
expired_animations: &mut HashMap<OpaqueNode, Vec<Animation>>,
new_animations_receiver: &Receiver<Animation>,
pipeline_id: PipelineId) {
pipeline_id: PipelineId,
timer: &Timer) {
let mut new_running_animations = vec![];
while let Ok(animation) = new_animations_receiver.try_recv() {
let mut should_push = true;
@ -37,7 +38,7 @@ pub fn update_animation_state(constellation_chan: &IpcSender<ConstellationMsg>,
if let Animation::Keyframes(_, ref anim_name, ref mut anim_state) = *anim {
if *name == *anim_name {
debug!("update_animation_state: Found other animation {}", name);
anim_state.update_from_other(&state);
anim_state.update_from_other(&state, timer);
should_push = false;
break;
}
@ -57,7 +58,7 @@ pub fn update_animation_state(constellation_chan: &IpcSender<ConstellationMsg>,
return
}
let now = time::precise_time_s();
let now = timer.seconds();
// Expire old running animations.
//
// TODO: Do not expunge Keyframes animations, since we need that state if