/
dblclick_zoom.js
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dblclick_zoom.js
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// @flow
import type ClickZoomHandler from '../click_zoom.js';
import type TapZoomHandler from './../tap_zoom.js';
/**
* The `DoubleClickZoomHandler` allows the user to zoom the map at a point by
* double clicking or double tapping.
*
* @see [Example: Toggle interactions](https://docs.mapbox.com/mapbox-gl-js/example/toggle-interaction-handlers/)
*/
export default class DoubleClickZoomHandler {
_clickZoom: ClickZoomHandler;
_tapZoom: TapZoomHandler;
/**
* @private
*/
constructor(clickZoom: ClickZoomHandler, TapZoom: TapZoomHandler) {
this._clickZoom = clickZoom;
this._tapZoom = TapZoom;
}
/**
* Enables the "double click to zoom" interaction.
*
* @example
* map.doubleClickZoom.enable();
*/
enable() {
this._clickZoom.enable();
this._tapZoom.enable();
}
/**
* Disables the "double click to zoom" interaction.
*
* @example
* map.doubleClickZoom.disable();
*/
disable() {
this._clickZoom.disable();
this._tapZoom.disable();
}
/**
* Returns a Boolean indicating whether the "double click to zoom" interaction is enabled.
*
* @returns {boolean} Returns `true` if the "double click to zoom" interaction is enabled.
* @example
* const isDoubleClickZoomEnabled = map.doubleClickZoom.isEnabled();
*/
isEnabled(): boolean {
return this._clickZoom.isEnabled() && this._tapZoom.isEnabled();
}
/**
* Returns a Boolean indicating whether the "double click to zoom" interaction is active (currently being used).
*
* @returns {boolean} Returns `true` if the "double click to zoom" interaction is active.
* @example
* const isDoubleClickZoomActive = map.doubleClickZoom.isActive();
*/
isActive(): boolean {
return this._clickZoom.isActive() || this._tapZoom.isActive();
}
}