wikimedia/mediawiki-extensions-Wikibase

( function ( wb ) {
    'use strict';

    var ViewFactoryFactory = function () {};

    $.extend( ViewFactoryFactory.prototype, {

        /**
         * Returns a ControllerViewFactory or ReadModeViewFactory depending on whether the page
         * is editable. It removes the first two items of factoryArguments in case it is not.
         *
         * @param {boolean} isEditable
         * @param {Array} factoryArguments
         *
         * @return {wikibase.view.ControllerViewFactory|wikibase.view.ReadModeViewFactory}
         */
        getViewFactory: function ( isEditable, factoryArguments ) {
            if ( isEditable ) {
                return this._getControllerViewFactory( factoryArguments );
            }

            return this._getReadModeViewFactory( factoryArguments );
        },

        _getControllerViewFactory: function ( factoryArguments ) {
            return this._getInstance(
                wb.view.ControllerViewFactory,
                factoryArguments
            );
        },

        _getReadModeViewFactory: function ( factoryArguments ) {
            factoryArguments.shift();
            factoryArguments.shift();

            return this._getInstance(
                wb.view.ReadModeViewFactory,
                factoryArguments
            );
        },

        _getInstance: function ( clazz, args ) {
            args.unshift( null );

            return new ( Function.prototype.bind.apply(
                clazz,
                args
            ) )();
        }

    } );

    module.exports = ViewFactoryFactory;
}( wikibase ) );