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/* This Source Code Form is subject to the terms of the Mozilla Public
* 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 atomic_refcell::AtomicRefCell;
use bitflags::bitflags;
use script_layout_interface::wrapper_traits::LayoutDataTrait;
use script_layout_interface::StyleData;
use crate::construct::ConstructionResult;
pub struct StyleAndLayoutData<'dom> {
/// The style data associated with a node.
pub style_data: &'dom StyleData,
/// The layout data associated with a node.
pub layout_data: &'dom AtomicRefCell<LayoutData>,
}
/// Data that layout associates with a node.
#[derive(Clone)]
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 LayoutDataTrait for LayoutData {}
impl Default for LayoutData {
/// Creates new layout data.
fn default() -> 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! {
#[derive(Clone, Copy)]
pub struct LayoutDataFlags: u8 {
/// Whether a flow has been newly constructed.
const HAS_NEWLY_CONSTRUCTED_FLOW = 0x01;
/// Whether this node has been traversed by layout.
const HAS_BEEN_TRAVERSED = 0x02;
}
}
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