org.htmlunit.javascript.host.css.CSSImportRule 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.
The newest version!
/*
 * Copyright (c) 2002-2024 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.BrowserVersionFeatures.CSS_CSSTEXT_IE_STYLE;
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.css.CssMediaList;
import org.htmlunit.css.CssStyleSheet;
import org.htmlunit.cssparser.dom.CSSImportRuleImpl;
import org.htmlunit.cssparser.dom.MediaListImpl;
import org.htmlunit.javascript.configuration.JsxClass;
import org.htmlunit.javascript.configuration.JsxConstructor;
import org.htmlunit.javascript.configuration.JsxGetter;
import org.htmlunit.javascript.host.html.HTMLElement;

/**
 * A JavaScript object for {@code CSSImportRule}.
 *
 * @author Daniel Gredler
 * @author Ahmed Ashour
 * @author Ronald Brill
 */
@JsxClass
public class CSSImportRule extends CSSRule {

    private MediaList media_;
    private CSSStyleSheet importedStylesheet_;

    /**
     * Creates a new instance.
     */
    public CSSImportRule() {
    }

    /**
     * Creates an instance.
     */
    @JsxConstructor({CHROME, EDGE, FF, FF_ESR})
    @Override
    public void jsConstructor() {
        super.jsConstructor();
    }

    /**
     * Creates a new instance.
     * @param stylesheet the Stylesheet of this rule.
     * @param rule the wrapped rule
     */
    protected CSSImportRule(final CSSStyleSheet stylesheet, final CSSImportRuleImpl rule) {
        super(stylesheet, rule);
    }

    /**
     * Returns the URL of the imported style sheet.
     * @return the URL of the imported style sheet
     */
    @JsxGetter
    public String getHref() {
        return getImportRule().getHref();
    }

    /**
     * Returns the media types that the imported CSS style sheet applies to.
     * @return the media types that the imported CSS style sheet applies to
     */
    @JsxGetter
    public MediaList getMedia() {
        if (media_ == null) {
            final CSSStyleSheet parent = getParentStyleSheet();
            final MediaListImpl ml = getImportRule().getMedia();

            media_ = new MediaList(parent, new CssMediaList(ml));
        }
        return media_;
    }

    /**
     * Returns the style sheet referred to by this rule.
     * @return the style sheet referred to by this rule
     */
    @JsxGetter
    public CSSStyleSheet getStyleSheet() {
        if (importedStylesheet_ == null) {
            final CSSStyleSheet owningSheet = getParentStyleSheet();
            final HTMLElement ownerNode = owningSheet.getOwnerNode();
            final CssStyleSheet importedSheet = owningSheet.getCssStyleSheet().getImportedStyleSheet(getImportRule());
            importedStylesheet_ = new CSSStyleSheet(null, ownerNode.getWindow(), importedSheet);
        }
        return importedStylesheet_;
    }

    /**
     * Returns the wrapped rule, as an import rule.
     * @return the wrapped rule, as an import rule
     */
    private CSSImportRuleImpl getImportRule() {
        return (CSSImportRuleImpl) getRule();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getCssText() {
        String cssText = super.getCssText();
        if (getBrowserVersion().hasFeature(CSS_CSSTEXT_IE_STYLE)) {
            cssText = REPLACEMENT_IE.matcher(cssText).replaceFirst("url( $1 )");
        }
        return cssText;
    }
}