The HTML container. Set once by Blockly.Tooltip.createDom.
Delay before tooltip appears.
Maximum width (in characters) of a tooltip.
Horizontal padding between tooltip and screen edge.
Horizontal offset between mouse cursor and tooltip.
Vertical offset between mouse cursor and tooltip.
Radius mouse can move before killing tooltip.
Is a tooltip currently showing?
Binds the required mouse events onto an SVG element.
SVG element onto which tooltip is to be bound.
Value must not be null.
Hide any in-progress tooltips and block showing new tooltips until the next call to unblock().
Create the tooltip div and inject it onto the page.
Hide the tooltip.
Unblock tooltips: allow them to be scheduled and shown according to their own logic.