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Reimplement scrolling to fragments

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This reimplemntation of the feature uses ScrollRootIds to scroll
particular scrollable areas of the page.

Fixes #13736.
Fixes #10753.
This commit is contained in:
Martin Robinson 2016-11-21 09:48:33 +01:00
parent 39845faf26
commit 0b56bb2237
18 changed files with 154 additions and 45 deletions
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16
components/script_layout_interface/wrapper_traits.rs
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@ -8,7 +8,7 @@ use HTMLCanvasData;
use LayoutNodeType;
use OpaqueStyleAndLayoutData;
use SVGSVGData;
use gfx_traits::ByteIndex;
use gfx_traits::{ByteIndex, FragmentType, ScrollRootId};
use html5ever_atoms::{Namespace, LocalName};
use msg::constellation_msg::PipelineId;
use range::Range;
@ -264,6 +264,20 @@ pub trait ThreadSafeLayoutNode: Clone + Copy + Debug + GetLayoutData + NodeInfo
fn iframe_pipeline_id(&self) -> PipelineId;
fn get_colspan(&self) -> u32;
fn fragment_type(&self) -> FragmentType {
match self.get_pseudo_element_type() {
PseudoElementType::Normal => FragmentType::FragmentBody,
PseudoElementType::Before(_) => FragmentType::BeforePseudoContent,
PseudoElementType::After(_) => FragmentType::AfterPseudoContent,
PseudoElementType::DetailsSummary(_) => FragmentType::FragmentBody,
PseudoElementType::DetailsContent(_) => FragmentType::FragmentBody,
}
}
fn scroll_root_id(&self) -> ScrollRootId {
ScrollRootId::new_of_type(self.opaque().id() as usize, self.fragment_type())
}
}
// This trait is only public so that it can be implemented by the gecko wrapper.