Struct LayoutContext 

pub(crate) struct LayoutContext<'a> {
    pub style_context: SharedStyleContext<'a>,
    pub font_context: Arc<FontContext>,
    pub iframe_sizes: Mutex<IFrameSizes>,
    pub image_resolver: Arc<ImageResolver>,
    pub painter_id: PainterId,
    pub allow_parallel_layout: bool,
    pub parallelism_job_count_minimum: usize,
    pub parallelism_job_size_minimum: usize,
}

Fields

style_context: SharedStyleContext<'a>

Bits shared by the layout and style system.

font_context: Arc<FontContext>

A FontContext to be used during layout.

iframe_sizes: Mutex<IFrameSizes>

A collection of <iframe> sizes to send back to script.

image_resolver: Arc<ImageResolver>

An ImageResolver used for resolving images during box and fragment tree construction. Later passed to display list construction.

painter_id: PainterId

The PainterId that identifies which RenderingContext that this layout targets.

allow_parallel_layout: bool

Whether or not parallel layout should be allowed for this layout.

parallelism_job_count_minimum: usize

The minimum number of jobs that need to be larger than Self::parallelism_job_size_minimum in order to enable parallelism.

parallelism_job_size_minimum: usize

The minimum size a job needs to be to be counted when determining if the number of jobs exceeds Self::parallelism_job_count_minimum.

Implementations

impl LayoutContext<'_>

pub(crate) fn should_parallelize(&self, number_of_jobs: usize) -> bool

pub(crate) fn should_parallelize_layout( &self, jobs: impl Iterator<Item = usize>, ) -> bool