@readium/navigator-html-injectables/types/src/helpers/document.d.ts

An embeddable solution for connecting frames of HTML publications with a Readium Navigator

import { ReadiumWindow } from "./dom";
export declare function isRTL(wnd: ReadiumWindow): boolean;
export declare function getColumnCountPerScreen(wnd: ReadiumWindow): number;
/**
* Returns the "content height" of an element, which is its clientHeight
* minus any vertical padding.
*
* @param el - The element to measure.
*/
export declare function getContentHeight(el: Element): number;
/**
 * We have to make sure that the total number of columns is a multiple
 * of the number of columns per screen.
 * Otherwise it causes snapping and page turning issues.
 * To fix this, we insert and remove blank virtual columns at the end of the resource.
 */
export declare function appendVirtualColumnIfNeeded(wnd: ReadiumWindow): boolean;
/**
 * This forces a recalculation in WebKit browsers.
 * It is needed in scroll mode to ensure that the content is scrollable.
 * Webkit seems to find itself in some kind of limbo if we do not do that.
 * It has everything correct but the scroll listener is non-functional,
 * unless you force a recalc or reflow.
 * It is not needed in paginated mode.
 */
export declare function forceWebkitRecalc(wnd: ReadiumWindow): void;