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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
import { UnifiedToolbarButton } from "./unified-toolbar-button.mjs";
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
ExtensionParent: "resource://gre/modules/ExtensionParent.sys.mjs",
});
let browserActionFor = extensionId => {
const extension =
lazy.ExtensionParent.GlobalManager.getExtension(extensionId);
if (!extension) {
return null;
}
return lazy.ExtensionParent.apiManager.global.browserActionFor(extension);
};
const BADGE_BACKGROUND_COLOR = "--toolbar-button-badge-bg-color";
/**
* Attributes:
* - extension: ID of the extension this button is for.
* - open: true if the popup is currently open. Gets redirected to aria-pressed.
*/
class ExtensionActionButton extends UnifiedToolbarButton {
static get observedAttributes() {
return super.observedAttributes.concat("open");
}
/**
* ext-browserAction instance for this button.
*
* @type {?ToolbarButtonAPI}
*/
#action = null;
connectedCallback() {
if (this.hasConnected) {
super.connectedCallback();
if (this.#action?.extension?.hasPermission("menus")) {
document.addEventListener("popupshowing", this.#action);
}
return;
}
super.connectedCallback();
this.#action = browserActionFor(this.getAttribute("extension"));
if (!this.#action) {
return;
}
const contextData = this.#action.getContextData(
this.#action.getTargetFromWindow(window)
);
this.applyTabData(contextData);
if (this.#action.extension.hasPermission("menus")) {
document.addEventListener("popupshowing", this.#action);
if (this.#action.defaults.type == "menu") {
let menupopup = document.createXULElement("menupopup");
menupopup.dataset.actionMenu = this.#action.manifestName;
menupopup.dataset.extensionId = this.#action.extension.id;
menupopup.addEventListener("popuphiding", event => {
if (event.target.state === "open") {
return;
}
this.removeAttribute("aria-pressed");
});
this.appendChild(menupopup);
}
}
}
disconnectedCallback() {
if (this.#action?.extension?.hasPermission("menus")) {
document.removeEventListener("popupshowing", this.#action);
}
}
attributeChangedCallback(attribute) {
super.attributeChangedCallback(attribute);
if (attribute === "open") {
if (this.getAttribute("open") === "true") {
this.setAttribute("aria-pressed", "true");
} else {
this.removeAttribute("aria-pressed");
}
}
}
/**
* Apply the data for the current tab to the extension button. Updates title,
* label, icon, badge, disabled and popup.
*
* @param {object} tabData - Properties for the button in the current tab. See
* ExtensionToolbarButtons.jsm for more details.
*/
applyTabData(tabData) {
if (!this.#action) {
this.#action = browserActionFor(this.getAttribute("extension"));
}
this.title = tabData.title || this.#action.extension.name;
this.setAttribute("label", tabData.label || this.title);
this.classList.toggle("prefer-icon-only", tabData.label == "");
this.badge = tabData.badgeText;
this.disabled = !tabData.enabled;
const { style } = this.#action.iconData.get(tabData.icon);
for (const [propName, value] of style) {
this.style.setProperty(propName, value);
}
if (tabData.badgeText && tabData.badgeBackgroundColor) {
const bgColor = tabData.badgeBackgroundColor;
this.style.setProperty(
BADGE_BACKGROUND_COLOR,
`rgba(${bgColor[0]}, ${bgColor[1]}, ${bgColor[2]}, ${bgColor[3] / 255})`
);
} else {
this.style.removeProperty(BADGE_BACKGROUND_COLOR);
}
this.toggleAttribute("popup", tabData.popup || tabData.type == "menu");
if (!tabData.popup) {
this.removeAttribute("aria-pressed");
}
}
handleClick = event => {
// If there is a menupopup associated with this button, open it, instead of
// executing the click action.
const menupopup = this.querySelector("menupopup");
if (menupopup) {
event.preventDefault();
event.stopPropagation();
menupopup.openPopup(this, {
position: "after_start",
triggerEvent: event,
});
this.setAttribute("aria-pressed", "true");
return;
}
this.#action?.handleEvent(event);
};
handlePopupShowing(event) {
this.#action.handleEvent(event);
}
}
customElements.define("extension-action-button", ExtensionActionButton, {
extends: "button",
});
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