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Always create CompositorData with a new layer

Browse source 
Since it makes no sense to create one without the other, the public
interface shouldn't let you do anything else.
This commit is contained in:
Cameron Zwarich 2014-07-19 20:14:42 -07:00
parent 31049adc1d
commit 2e40baba09
2 changed files with 17 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/components/compositing/compositor.rs
View file

@ -31,7 +31,6 @@ use layers::layers::LayerBufferSet;
use layers::rendergl;
use layers::rendergl::RenderContext;
use layers::scene::Scene;
use layers::layers::Layer;
use opengles::gl2;
use png;
use servo_msg::compositor_msg::{Blank, Epoch, FixedPosition, FinishedLoading, IdleRenderState};
@ -369,16 +368,14 @@ impl IOCompositor {
pipeline_id: root_pipeline.id,
epoch: layer_properties.epoch,
id: LayerId::null(),
rect: Rect::zero(),
rect: layer_properties.rect,
background_color: layer_properties.background_color,
scroll_policy: FixedPosition,
};
let new_compositor_data = CompositorData::new(root_pipeline,
root_properties,
WantsScrollEvents);
let new_root = Rc::new(Layer::new(layer_properties.rect,
self.opts.tile_size,
new_compositor_data));
let new_root = CompositorData::new_layer(root_pipeline,
root_properties,
WantsScrollEvents,
self.opts.tile_size);
CompositorData::add_child(new_root.clone(), layer_properties);

24
src/components/compositing/compositor_data.rs
View file

@ -52,11 +52,12 @@ pub enum WantsScrollEventsFlag {
}
impl CompositorData {
pub fn new(pipeline: CompositionPipeline,
layer_properties: LayerProperties,
wants_scroll_events: WantsScrollEventsFlag)
-> CompositorData {
CompositorData {
pub fn new_layer(pipeline: CompositionPipeline,
layer_properties: LayerProperties,
wants_scroll_events: WantsScrollEventsFlag,
tile_size: uint)
-> Rc<Layer<CompositorData>> {
let new_compositor_data = CompositorData {
pipeline: pipeline,
id: layer_properties.id,
scroll_offset: TypedPoint2D(0f32, 0f32),
@ -64,7 +65,8 @@ impl CompositorData {
scroll_policy: layer_properties.scroll_policy,
background_color: layer_properties.background_color,
epoch: layer_properties.epoch,
}
};
Rc::new(Layer::new(layer_properties.rect, tile_size, new_compositor_data))
}
/// Adds a child layer to the layer with the given ID and the given pipeline, if it doesn't
@ -72,12 +74,10 @@ impl CompositorData {
/// painting status as its parent.
pub fn add_child(layer: Rc<Layer<CompositorData>>,
layer_properties: LayerProperties) {
let new_compositor_data = CompositorData::new(layer.extra_data.borrow().pipeline.clone(),
layer_properties,
DoesntWantScrollEvents);
let new_kid = Rc::new(Layer::new(layer_properties.rect,
layer.tile_size,
new_compositor_data));
let new_kid = CompositorData::new_layer(layer.extra_data.borrow().pipeline.clone(),
layer_properties,
DoesntWantScrollEvents,
layer.tile_size);
layer.add_child(new_kid.clone());
}