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Implement non-visible pipeline and iframe visibility methods

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This commit is contained in:
jmr0 2016-03-09 01:24:46 -05:00
parent ce88b8ed30
commit 2bff131535
14 changed files with 382 additions and 24 deletions
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29
components/compositing/compositor.rs
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@ -290,6 +290,9 @@ struct PipelineDetails {
/// Whether there are animation callbacks
animation_callbacks_running: bool,
/// Whether this pipeline is visible
visible: bool,
}
impl PipelineDetails {
@ -299,6 +302,7 @@ impl PipelineDetails {
current_epoch: Epoch(0),
animations_running: false,
animation_callbacks_running: false,
visible: true,
}
}
}
@ -760,6 +764,13 @@ impl<Window: WindowMethods> IOCompositor<Window> {
reports_chan.send(reports);
}
(Msg::PipelineVisibilityChanged(pipeline_id, visible), ShutdownState::NotShuttingDown) => {
self.pipeline_details(pipeline_id).visible = visible;
if visible {
self.process_animations();
}
}
(Msg::PipelineExited(pipeline_id, sender), _) => {
debug!("Compositor got pipeline exited: {:?}", pipeline_id);
self.pending_subpages.remove(&pipeline_id);
@ -795,13 +806,16 @@ impl<Window: WindowMethods> IOCompositor<Window> {
animation_state: AnimationState) {
match animation_state {
AnimationState::AnimationsPresent => {
let visible = self.pipeline_details(pipeline_id).visible;
self.pipeline_details(pipeline_id).animations_running = true;
self.composite_if_necessary(CompositingReason::Animation);
if visible {
self.composite_if_necessary(CompositingReason::Animation);
}
}
AnimationState::AnimationCallbacksPresent => {
if !self.pipeline_details(pipeline_id).animation_callbacks_running {
self.pipeline_details(pipeline_id).animation_callbacks_running =
true;
let visible = self.pipeline_details(pipeline_id).visible;
self.pipeline_details(pipeline_id).animation_callbacks_running = true;
if visible {
self.tick_animations_for_pipeline(pipeline_id);
}
}
@ -1712,9 +1726,10 @@ impl<Window: WindowMethods> IOCompositor<Window> {
fn process_animations(&mut self) {
let mut pipeline_ids = vec![];
for (pipeline_id, pipeline_details) in &self.pipeline_details {
if pipeline_details.animations_running ||
pipeline_details.animation_callbacks_running {
pipeline_ids.push(*pipeline_id);
if (pipeline_details.animations_running ||
pipeline_details.animation_callbacks_running) &&
pipeline_details.visible {
pipeline_ids.push(*pipeline_id);
}
}
for pipeline_id in &pipeline_ids {