2f5ad82eb3
We don't need this for Gecko, and it's hard to implement in that case because there's nowhere obvious to put it (we don't plan to create TSDs for non-dirty nodes, and non-dirty nodes can have dirty children which require the children_to_process atomic). There are various solutions here, but punting is the easiest. We'll need to rethink this if/when we need to do a bottom-up traversal for Gecko. Source-Repo: https://github.com/servo/servo Source-Revision: 70dbfd28fa44b0cd89a0ea39a6bd1180611c5e66
52 lines
1.9 KiB
Rust
52 lines
1.9 KiB
Rust
/* 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 http://mozilla.org/MPL/2.0/. */
|
|
|
|
use construct::ConstructionResult;
|
|
use script_layout_interface::PartialPersistentLayoutData;
|
|
|
|
/// Data that layout associates with a node.
|
|
pub struct PersistentLayoutData {
|
|
/// Data accessed by script_layout_interface. This must be first to allow
|
|
/// casting between PersistentLayoutData and PartialPersistentLayoutData.
|
|
pub base: PartialPersistentLayoutData,
|
|
|
|
/// 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 PersistentLayoutData {
|
|
/// Creates new layout data.
|
|
pub fn new() -> PersistentLayoutData {
|
|
PersistentLayoutData {
|
|
base: PartialPersistentLayoutData::new(),
|
|
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 flags LayoutDataFlags: u8 {
|
|
#[doc = "Whether a flow has been newly constructed."]
|
|
const HAS_NEWLY_CONSTRUCTED_FLOW = 0x01
|
|
}
|
|
}
|