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layout: Don't rerun selector matching unless we need to when resizing

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the window.
This commit is contained in:
Patrick Walton 2015-05-04 12:49:46 -07:00
parent 92f46e3149
commit be8a5a2939
4 changed files with 61 additions and 38 deletions
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12
components/script/script_task.rs
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@ -820,7 +820,7 @@ impl ScriptTask {
let window = inner_page.window().root();
if window.r().set_page_clip_rect_with_new_viewport(rect) {
let page = get_page(page, id);
self.force_reflow(&*page, ReflowReason::Viewport);
self.rebuild_and_force_reflow(&*page, ReflowReason::Viewport);
}
return;
}
@ -884,7 +884,7 @@ impl ScriptTask {
let needed_reflow = page.set_reflow_status(false);
if needed_reflow {
self.force_reflow(&*page, ReflowReason::CachedPageNeededReflow);
self.rebuild_and_force_reflow(&*page, ReflowReason::CachedPageNeededReflow);
}
let window = page.window().root();
@ -1200,8 +1200,8 @@ impl ScriptTask {
self.compositor.borrow_mut().scroll_fragment_point(pipeline_id, LayerId::null(), point);
}
/// Reflows non-incrementally.
fn force_reflow(&self, page: &Page, reason: ReflowReason) {
/// Reflows non-incrementally, rebuilding the entire layout tree in the process.
fn rebuild_and_force_reflow(&self, page: &Page, reason: ReflowReason) {
let document = page.document().root();
document.r().dirty_all_nodes();
let window = window_from_node(document.r()).root();
@ -1322,7 +1322,9 @@ impl ScriptTask {
let page = get_page(&self.root_page(), pipeline_id);
let window = page.window().root();
window.r().set_window_size(new_size);
self.force_reflow(&*page, ReflowReason::WindowResize);
window.r().force_reflow(ReflowGoal::ForDisplay,
ReflowQueryType::NoQuery,
ReflowReason::WindowResize);
let document = page.document().root();
let fragment_node = window.r().steal_fragment_name()