138 lines
3.8 KiB
JavaScript
138 lines
3.8 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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// This is loaded into all XUL windows. Wrap in a block to prevent
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// leaking to window scope.
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{
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class MozMenuItemBase extends MozElements.BaseText {
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// nsIDOMXULSelectControlItemElement
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set value(val) {
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this.setAttribute("value", val);
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}
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get value() {
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return this.getAttribute("value");
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}
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// nsIDOMXULSelectControlItemElement
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get selected() {
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return this.getAttribute("selected") == "true";
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}
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// nsIDOMXULSelectControlItemElement
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get control() {
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var parent = this.parentNode;
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// Return the parent if it is a menu or menulist.
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if (parent && parent.parentNode instanceof XULMenuElement) {
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return parent.parentNode;
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}
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return null;
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}
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// nsIDOMXULContainerItemElement
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get parentContainer() {
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for (var parent = this.parentNode; parent; parent = parent.parentNode) {
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if (parent instanceof XULMenuElement) {
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return parent;
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}
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}
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return null;
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}
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}
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MozXULElement.implementCustomInterface(MozMenuItemBase, [Ci.nsIDOMXULSelectControlItemElement, Ci.nsIDOMXULContainerItemElement]);
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class MozMenuBase extends MozMenuItemBase {
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set open(val) {
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this.openMenu(val);
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return val;
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}
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get open() {
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return this.hasAttribute("open");
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}
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get itemCount() {
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var menupopup = this.menupopup;
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return menupopup ? menupopup.children.length : 0;
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}
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get menupopup() {
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const XUL_NS =
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"http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
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for (var child = this.firstElementChild; child; child = child.nextElementSibling) {
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if (child.namespaceURI == XUL_NS && child.localName == "menupopup")
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return child;
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}
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return null;
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}
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appendItem(aLabel, aValue) {
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var menupopup = this.menupopup;
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if (!menupopup) {
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menupopup = this.ownerDocument.createXULElement("menupopup");
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this.appendChild(menupopup);
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}
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var menuitem = this.ownerDocument.createXULElement("menuitem");
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menuitem.setAttribute("label", aLabel);
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menuitem.setAttribute("value", aValue);
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return menupopup.appendChild(menuitem);
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}
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getIndexOfItem(aItem) {
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var menupopup = this.menupopup;
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if (menupopup) {
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var items = menupopup.children;
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var length = items.length;
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for (var index = 0; index < length; ++index) {
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if (items[index] == aItem)
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return index;
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}
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}
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return -1;
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}
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getItemAtIndex(aIndex) {
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var menupopup = this.menupopup;
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if (!menupopup || aIndex < 0 || aIndex >= menupopup.children.length)
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return null;
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return menupopup.children[aIndex];
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}
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}
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MozXULElement.implementCustomInterface(MozMenuBase, [Ci.nsIDOMXULContainerElement]);
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// The <menucaption> element is used for rendering <html:optgroup> inside of <html:select>,
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// See SelectParentHelper.jsm.
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class MozMenuCaption extends MozMenuBase {
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static get inheritedAttributes() {
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return {
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".menu-iconic-left": "selected,disabled,checked",
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".menu-iconic-icon": "src=image,validate,src",
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".menu-iconic-text": "value=label,crop,highlightable",
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".menu-iconic-highlightable-text": "text=label,crop,highlightable",
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};
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}
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connectedCallback() {
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this.textContent = "";
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this.appendChild(MozXULElement.parseXULToFragment(`
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<hbox class="menu-iconic-left" align="center" pack="center" role="none">
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<image class="menu-iconic-icon" role="none"></image>
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</hbox>
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<label class="menu-iconic-text" flex="1" crop="right" role="none"></label>
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<label class="menu-iconic-highlightable-text" crop="right" role="none"></label>
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`));
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this.initializeAttributeInheritance();
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}
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}
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customElements.define("menucaption", MozMenuCaption);
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}
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