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Remove most of the things in layout 2020

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We keep mostly the query system. There is probably more to delete but
that's a good start I think.
This commit is contained in:
Anthony Ramine 2019-07-24 11:19:23 +02:00
parent 4846d76e82
commit 317d700f5d
47 changed files with 75 additions and 29854 deletions
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50
components/layout_2020/data.rs
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@ -2,67 +2,17 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use crate::construct::ConstructionResult;
use atomic_refcell::AtomicRefCell;
use script_layout_interface::StyleData;
#[repr(C)]
pub struct StyleAndLayoutData {
/// Data accessed by script_layout_interface. This must be first to allow
/// casting between StyleAndLayoutData and StyleData.
pub style_data: StyleData,
/// The layout data associated with a node.
pub layout_data: AtomicRefCell<LayoutData>,
}
impl StyleAndLayoutData {
pub fn new() -> Self {
Self {
style_data: StyleData::new(),
layout_data: AtomicRefCell::new(LayoutData::new()),
}
}
}
/// Data that layout associates with a node.
#[repr(C)]
pub struct LayoutData {
/// The current results of flow construction for this node. This is either a
/// flow or a `ConstructionItem`. See comments in `construct.rs` for more
/// details.
pub flow_construction_result: ConstructionResult,
pub before_flow_construction_result: ConstructionResult,
pub after_flow_construction_result: ConstructionResult,
pub details_summary_flow_construction_result: ConstructionResult,
pub details_content_flow_construction_result: ConstructionResult,
/// Various flags.
pub flags: LayoutDataFlags,
}
impl LayoutData {
/// Creates new layout data.
pub fn new() -> LayoutData {
Self {
flow_construction_result: ConstructionResult::None,
before_flow_construction_result: ConstructionResult::None,
after_flow_construction_result: ConstructionResult::None,
details_summary_flow_construction_result: ConstructionResult::None,
details_content_flow_construction_result: ConstructionResult::None,
flags: LayoutDataFlags::empty(),
}
}
}
bitflags! {
pub struct LayoutDataFlags: u8 {
#[doc = "Whether a flow has been newly constructed."]
const HAS_NEWLY_CONSTRUCTED_FLOW = 0x01;
#[doc = "Whether this node has been traversed by layout."]
const HAS_BEEN_TRAVERSED = 0x02;
}
}