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Add some factory methods for frame tree types

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This commit is contained in:
Martin Robinson 2014-11-05 17:42:17 -08:00
parent a10e261ffd
commit 750bedab81
1 changed files with 31 additions and 28 deletions
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59
components/compositing/constellation.rs
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@ -85,6 +85,19 @@ struct FrameTree {
pub children: RefCell<Vec<ChildFrameTree>>,
}
impl FrameTree {
fn new(pipeline: Rc<Pipeline>, parent_pipeline: Option<Rc<Pipeline>>) -> FrameTree {
FrameTree {
pipeline: pipeline.clone(),
parent: match parent_pipeline {
Some(ref pipeline) => RefCell::new(Some(pipeline.clone())),
None => RefCell::new(None),
},
children: RefCell::new(vec!()),
}
}
}
#[deriving(Clone)]
struct ChildFrameTree {
frame_tree: Rc<FrameTree>,
@ -93,6 +106,15 @@ struct ChildFrameTree {
pub rect: Option<TypedRect<PagePx, f32>>,
}
impl ChildFrameTree {
fn new(frame_tree: Rc<FrameTree>, rect: Option<TypedRect<PagePx, f32>>) -> ChildFrameTree {
ChildFrameTree {
frame_tree: frame_tree,
rect: rect,
}
}
}
pub struct SendableFrameTree {
pub pipeline: CompositionPipeline,
pub children: Vec<SendableChildFrameTree>,
@ -481,11 +503,7 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
self.pending_frames.push(FrameChange{
before: Some(pipeline_id),
after: Rc::new(FrameTree {
pipeline: pipeline.clone(),
parent: RefCell::new(None),
children: RefCell::new(vec!()),
}),
after: Rc::new(FrameTree::new(pipeline.clone(), None)),
navigation_type: constellation_msg::Load,
});
@ -498,11 +516,7 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
self.pending_frames.push(FrameChange {
before: None,
after: Rc::new(FrameTree {
pipeline: pipeline.clone(),
parent: RefCell::new(None),
children: RefCell::new(vec!()),
}),
after: Rc::new(FrameTree::new(pipeline.clone(), None)),
navigation_type: constellation_msg::Load,
});
self.pipelines.insert(pipeline.id, pipeline);
@ -645,14 +659,9 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
let rect = self.pending_sizes.pop(&(source_pipeline_id, subpage_id));
for frame_tree in frame_trees.iter() {
frame_tree.children.borrow_mut().push(ChildFrameTree {
frame_tree: Rc::new(FrameTree {
pipeline: pipeline.clone(),
parent: RefCell::new(Some(source_pipeline.clone())),
children: RefCell::new(vec!()),
}),
rect: rect,
});
frame_tree.children.borrow_mut().push(ChildFrameTree::new(
Rc::new(FrameTree::new(pipeline.clone(), Some(source_pipeline.clone()))),
rect));
}
self.pipelines.insert(pipeline.id, pipeline);
}
@ -686,13 +695,9 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
let pipeline = self.new_pipeline(next_pipeline_id, subpage_id, None, load_data);
self.pending_frames.push(FrameChange{
self.pending_frames.push(FrameChange {
before: Some(source_id),
after: Rc::new(FrameTree {
pipeline: pipeline.clone(),
parent: parent,
children: RefCell::new(vec!()),
}),
after: Rc::new(FrameTree::new(pipeline.clone(), parent.borrow().clone())),
navigation_type: constellation_msg::Load,
});
self.pipelines.insert(pipeline.id, pipeline);
@ -816,10 +821,8 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
let parent = next_frame_tree.find(parent.id).expect(
"Constellation: pending frame has a parent frame that is not
active. This is a bug.");
parent.children.borrow_mut().push(ChildFrameTree {
frame_tree: to_add.clone(),
rect: rect,
});
parent.children.borrow_mut().push(ChildFrameTree::new(to_add.clone(),
rect));
}
}
}