org.htmlunit.javascript.host.css.MediaQueryList Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of xlt Show documentation

XLT (Xceptance LoadTest) is an extensive load and performance test tool developed and maintained by Xceptance.

There is a newer version: 8.4.1

/*
 * Copyright (c) 2002-2023 Gargoyle Software Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.htmlunit.javascript.host.css;

import static org.htmlunit.javascript.configuration.SupportedBrowser.CHROME;
import static org.htmlunit.javascript.configuration.SupportedBrowser.EDGE;
import static org.htmlunit.javascript.configuration.SupportedBrowser.FF;
import static org.htmlunit.javascript.configuration.SupportedBrowser.FF_ESR;

import org.htmlunit.cssparser.dom.MediaListImpl;
import org.htmlunit.cssparser.parser.CSSErrorHandler;

import org.htmlunit.WebWindow;
import org.htmlunit.css.CssStyleSheet;
import org.htmlunit.javascript.configuration.JsxClass;
import org.htmlunit.javascript.configuration.JsxConstructor;
import org.htmlunit.javascript.configuration.JsxFunction;
import org.htmlunit.javascript.configuration.JsxGetter;
import org.htmlunit.javascript.host.event.EventTarget;

/**
 * A JavaScript object for {@code MediaQueryList}.
 *
 * @author Ahmed Ashour
 * @author Ronald Brill
 */
@JsxClass
public class MediaQueryList extends EventTarget {

    private String media_;

    /**
     * Default constructor.
     */
    @JsxConstructor({CHROME, EDGE, FF, FF_ESR})
    public MediaQueryList() {
    }

    /**
     * Constructor.
     *
     * @param mediaQueryString the media query string
     */
    public MediaQueryList(final String mediaQueryString) {
        media_ = mediaQueryString;
    }

    /**
     * Returns the {@code media} property.
     * @return the {@code media} property
     */
    @JsxGetter
    public String getMedia() {
        return media_;
    }

    /**
     * Returns whether the document currently matches the media query list or not.
     * @return whether the document currently matches the media query list or not
     */
    @JsxGetter
    public boolean isMatches() {
        final WebWindow webWindow = getWindow().getWebWindow();
        final CSSErrorHandler errorHandler = webWindow.getWebClient().getCssErrorHandler();
        final MediaListImpl mediaList = CssStyleSheet.parseMedia(errorHandler, media_);
        return CssStyleSheet.isActive(mediaList, webWindow);
    }

    /**
     * Adds the {@code listener} event handler for this element.
     * @param listener the {@code listener} event handler for this element
     */
    @JsxFunction
    public void addListener(final Object listener) {
        // dummy impl for the moment
    }

    /**
     * Removes the {@code listener} event handler for this element.
     * @param listener the {@code listener} event handler to be removed
     */
    @JsxFunction
    public void removeListener(final Object listener) {
        // dummy impl for the moment
    }
}