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add pipeline.rs, modularized pipelines communicating with constellation

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Tim Kuehn 2013-06-26 22:42:01 -07:00
parent fdb0d820a4
commit fba7ec423c
19 changed files with 528 additions and 317 deletions
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23
src/components/script/layout_interface.rs
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@ -30,7 +30,7 @@ pub enum Msg {
/// Performs a synchronous layout request.
///
/// FIXME(pcwalton): As noted below, this isn't very type safe.
QueryMsg(LayoutQuery, Chan<Result<LayoutResponse,()>>),
QueryMsg(LayoutQuery),
/// Routes a message (usually from the compositor) to the appropriate script task
RouteScriptMsg(ScriptMsg),
@ -42,25 +42,16 @@ pub enum Msg {
/// Synchronous messages that script can send to layout.
pub enum LayoutQuery {
/// Requests the dimensions of the content box, as in the `getBoundingClientRect()` call.
ContentBoxQuery(AbstractNode<ScriptView>),
ContentBoxQuery(AbstractNode<ScriptView>, Chan<Result<ContentBoxResponse, ()>>),
/// Requests the dimensions of all the content boxes, as in the `getClientRects()` call.
ContentBoxesQuery(AbstractNode<ScriptView>),
ContentBoxesQuery(AbstractNode<ScriptView>, Chan<Result<ContentBoxesResponse, ()>>),
/// Requests the node containing the point of interest
HitTestQuery(AbstractNode<ScriptView>, Point2D<f32>),
HitTestQuery(AbstractNode<ScriptView>, Point2D<f32>, Chan<Result<HitTestResponse, ()>>),
}
/// The reply of a synchronous message from script to layout.
///
/// FIXME(pcwalton): This isn't very type safe. Maybe `LayoutQuery` objects should include
/// response channels?
pub enum LayoutResponse {
/// A response to the `ContentBoxQuery` message.
ContentBoxResponse(Rect<Au>),
/// A response to the `ContentBoxesQuery` message.
ContentBoxesResponse(~[Rect<Au>]),
/// A response to the `HitTestQuery` message.
HitTestResponse(AbstractNode<LayoutView>),
}
pub struct ContentBoxResponse(Rect<Au>);
pub struct ContentBoxesResponse(~[Rect<Au>]);
pub struct HitTestResponse(AbstractNode<LayoutView>);
/// Determines which part of the
pub enum DocumentDamageLevel {