Enum script_layout_interface::ReflowGoal

pub enum ReflowGoal {
    UpdateTheRendering,
    LayoutQuery(QueryMsg),
    UpdateScrollNode(ScrollState),
}

The goal of a reflow request.

Please do not add any other types of reflows. In general, all reflow should go through the update the rendering step of the HTML specification. Exceptions should have careful review.

Variants

UpdateTheRendering

A reflow has been requesting by the update the rendering step of the HTML event loop. This nominally driven by the display’s VSync.

LayoutQuery(QueryMsg)

Script has done a layout query and this reflow ensurs that layout is up-to-date with the latest changes to the DOM.

UpdateScrollNode(ScrollState)

Tells layout about a single new scrolling offset from the script. The rest will remain untouched and layout won’t forward this back to script.

Implementations

impl ReflowGoal

pub fn needs_display_list(&self) -> bool

Returns true if the given ReflowQuery needs a full, up-to-date display list to be present or false if it only needs stacking-relative positions.

pub fn needs_display(&self) -> bool

Returns true if the given ReflowQuery needs its display list send to WebRender or false if a layout_thread display list is sufficient.

Trait Implementations

impl Debug for ReflowGoal

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for ReflowGoal

fn eq(&self, other: &ReflowGoal) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for ReflowGoal