@openui5/sap.ui.core/src/sap/ui/core/IconRenderer.js

OpenUI5 Core Library sap.ui.core

/*!
 * OpenUI5
 * (c) Copyright 2009-2021 SAP SE or an SAP affiliate company.
 * Licensed under the Apache License, Version 2.0 - see LICENSE.txt.
 */
sap.ui.define(['./IconPool', './library', "sap/base/security/encodeCSS"], function(IconPool, library, encodeCSS) {
	"use strict";

	// shortcut for enum(s)
	var IconColor = library.IconColor;

	/**
	 * Font-Icon renderer.
	 * @namespace
	 * @alias sap.ui.core.IconRenderer
	 */
	var IconRenderer = {
		apiVersion: 2
	};

	/**
	 * Renders the HTML for the given control, using the provided {@link sap.ui.core.RenderManager}.
	 *
	 * @param {sap.ui.core.RenderManager} oRm The RenderManager that can be used for writing to the render output buffer.
	 * @param {sap.ui.core.Control} oControl An object representation of the control that should be rendered.
	 */
	IconRenderer.render = function(oRm, oControl) {
		// write the HTML into the render manager
		var vIconInfo = IconPool.getIconInfo(oControl.getSrc(), undefined, "mixed"),
			sWidth = oControl.getWidth(),
			sHeight = oControl.getHeight(),
			sColor = oControl.getColor(),
			sBackgroundColor = oControl.getBackgroundColor(),
			sSize = oControl.getSize(),
			sTitle = oControl._getOutputTitle(vIconInfo),
			aLabelledBy,
			oInvisibleText,
			oAccAttributes,
			bIconInfo = false;

		if (vIconInfo instanceof Promise) {
			// if the icon info is still being loaded,
			// an invalidation is triggered after the icon info is available
			vIconInfo.then(oControl.invalidate.bind(oControl));
		} else if (vIconInfo) {
			// render icon info in renderer
			bIconInfo = true;
			aLabelledBy = oControl.getAriaLabelledBy();

			oAccAttributes = oControl._getAccessibilityAttributes(vIconInfo);
			// oInvisibleText must be retrieved after calling _getAccessibilityAttributes
			// because it may be created within the function
			oInvisibleText = oControl.getAggregation("_invisibleText");
		}

		oRm.openStart("span", oControl);
		oRm.class("sapUiIcon");

		if (bIconInfo) {
			oRm.accessibilityState(oControl, oAccAttributes);
			oRm.attr("data-sap-ui-icon-content", vIconInfo.content);
			oRm.style("font-family", "'" + encodeCSS(vIconInfo.fontFamily) + "'");
			if (!vIconInfo.suppressMirroring) {
				oRm.class("sapUiIconMirrorInRTL");
			}
		}

		if (sTitle) {
			oRm.attr("title", sTitle);
		}

		if (oControl.hasListeners("press")) {
			oRm.class("sapUiIconPointer");
			if (!oControl.getNoTabStop()) {
				oRm.attr("tabindex", "0");
			}
		}

		oRm.style("width", sWidth);
		oRm.style("height", sHeight);
		oRm.style("line-height", sHeight);
		oRm.style("font-size", sSize);

		if (sColor && !(sColor in IconColor)) {
			oRm.style("color", sColor);
		}

		if (sBackgroundColor && !(sBackgroundColor in IconColor)) {
			oRm.style("background-color", sBackgroundColor);
		}

		oRm.openEnd();

		if (aLabelledBy && aLabelledBy.length && oInvisibleText) {
			oRm.renderControl(oInvisibleText);
		}

		oRm.close("span");
	};

	return IconRenderer;

}, /* bExport= */ true);