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layout: Implement CSS transitions per CSS-TRANSITIONS § 2.

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Transition events are not yet supported, and the only animatable
properties are `top`, `right`, `bottom`, and `left`. However, all other
features of transitions are supported. There are no automated tests at
present because I'm not sure how best to test it, but three manual tests
are included.
This commit is contained in:
Patrick Walton 2015-03-23 13:32:49 -07:00
parent c1cc31b9d6
commit 66dd8c8a6c
31 changed files with 1603 additions and 224 deletions
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10
components/gfx/paint_task.rs
View file

@ -330,13 +330,13 @@ impl<C> PaintTask<C> where C: PaintListener + Send + 'static {
})
}
/// Paints one layer and sends the tiles back to the layer.
/// Paints one layer and places the painted tiles in `replies`.
fn paint(&mut self,
replies: &mut Vec<(LayerId, Box<LayerBufferSet>)>,
mut tiles: Vec<BufferRequest>,
scale: f32,
layer_id: LayerId) {
profile(time::ProfilerCategory::Painting, None, self.time_profiler_chan.clone(), || {
time::profile(time::ProfilerCategory::Painting, None, self.time_profiler_chan.clone(), || {
// Bail out if there is no appropriate stacking context.
let stacking_context = if let Some(ref stacking_context) = self.root_stacking_context {
match display_list::find_stacking_context_with_layer_id(stacking_context,
@ -559,8 +559,10 @@ impl WorkerThread {
paint_context.clear();
// Draw the display list.
profile(time::ProfilerCategory::PaintingPerTile, None,
self.time_profiler_sender.clone(), || {
time::profile(time::ProfilerCategory::PaintingPerTile,
None,
self.time_profiler_sender.clone(),
|| {
stacking_context.optimize_and_draw_into_context(&mut paint_context,
&tile_bounds,
&matrix,