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auto merge of #3964 : mrobinson/servo/code-duplication, r=larsbergstrom

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It is possible to share the code which creates root layers.
This commit is contained in:
bors-servo 2014-11-19 09:00:47 -07:00
commit 9da7f10c3c
1 changed files with 34 additions and 47 deletions
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81
components/compositing/compositor.rs
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@ -439,29 +439,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
self.ready_states.insert(frame_tree.pipeline.id, Blank);
self.render_states.insert(frame_tree.pipeline.id, RenderingRenderState);
let layer_properties = LayerProperties {
pipeline_id: frame_tree.pipeline.id,
epoch: Epoch(0),
id: LayerId::null(),
rect: Rect::zero(),
background_color: azure_hl::Color::new(0., 0., 0., 0.),
scroll_policy: Scrollable,
};
let root_layer = CompositorData::new_layer(frame_tree.pipeline.clone(),
layer_properties,
WantsScrollEvents,
opts::get().tile_size);
match frame_rect {
Some(ref frame_rect) => {
*root_layer.masks_to_bounds.borrow_mut() = true;
let frame_rect = frame_rect.to_untyped();
*root_layer.bounds.borrow_mut() = Rect::from_untyped(&frame_rect);
}
None => {}
}
let root_layer = create_root_layer_for_pipeline_and_rect(&frame_tree.pipeline, frame_rect);
for kid in frame_tree.children.iter() {
root_layer.add_child(self.create_frame_tree_root_layers(&kid.frame_tree, kid.rect));
}
@ -469,31 +447,10 @@ impl<Window: WindowMethods> IOCompositor<Window> {
}
fn update_frame_tree(&mut self, frame_tree_diff: &FrameTreeDiff) {
let layer_properties = LayerProperties {
pipeline_id: frame_tree_diff.pipeline.id,
epoch: Epoch(0),
id: LayerId::null(),
rect: Rect::zero(),
background_color: azure_hl::Color::new(0., 0., 0., 0.),
scroll_policy: Scrollable,
};
let root_layer = CompositorData::new_layer(frame_tree_diff.pipeline.clone(),
layer_properties,
WantsScrollEvents,
opts::get().tile_size);
match frame_tree_diff.rect {
Some(ref frame_rect) => {
*root_layer.masks_to_bounds.borrow_mut() = true;
let frame_rect = frame_rect.to_untyped();
*root_layer.bounds.borrow_mut() = Rect::from_untyped(&frame_rect);
}
None => {}
}
let parent_layer = self.find_pipeline_root_layer(frame_tree_diff.parent_pipeline.id);
parent_layer.add_child(root_layer);
parent_layer.add_child(
create_root_layer_for_pipeline_and_rect(&frame_tree_diff.pipeline,
frame_tree_diff.rect));
}
fn find_pipeline_root_layer(&self, pipeline_id: PipelineId) -> Rc<Layer<CompositorData>> {
@ -1178,6 +1135,36 @@ fn find_layer_with_pipeline_and_layer_id_for_layer(layer: Rc<Layer<CompositorDat
return None;
}
fn create_root_layer_for_pipeline_and_rect(pipeline: &CompositionPipeline,
frame_rect: Option<TypedRect<PagePx, f32>>)
-> Rc<Layer<CompositorData>> {
let layer_properties = LayerProperties {
pipeline_id: pipeline.id,
epoch: Epoch(0),
id: LayerId::null(),
rect: Rect::zero(),
background_color: azure_hl::Color::new(0., 0., 0., 0.),
scroll_policy: Scrollable,
};
let root_layer = CompositorData::new_layer(pipeline.clone(),
layer_properties,
WantsScrollEvents,
opts::get().tile_size);
match frame_rect {
Some(ref frame_rect) => {
*root_layer.masks_to_bounds.borrow_mut() = true;
let frame_rect = frame_rect.to_untyped();
*root_layer.bounds.borrow_mut() = Rect::from_untyped(&frame_rect);
}
None => {}
}
return root_layer;
}
impl<Window> CompositorEventListener for IOCompositor<Window> where Window: WindowMethods {
fn handle_event(&mut self, msg: WindowEvent) -> bool {
// Check for new messages coming from the other tasks in the system.