139 lines
3.3 KiB
JavaScript
139 lines
3.3 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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import { Target } from "chrome://remote/content/cdp/targets/Target.sys.mjs";
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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RemoteAgent: "chrome://remote/content/components/RemoteAgent.sys.mjs",
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TabManager: "chrome://remote/content/shared/TabManager.sys.mjs",
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TabSession: "chrome://remote/content/cdp/sessions/TabSession.sys.mjs",
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});
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/**
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* Target for a local tab or a remoted frame.
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*/
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export class TabTarget extends Target {
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/**
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* @param {TargetList} targetList
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* @param {BrowserElement} browser
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*/
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constructor(targetList, browser) {
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super(targetList, lazy.TabSession);
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this.browser = browser;
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// The tab target uses a unique id as shared with WebDriver to reference
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// a specific tab.
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this.id = lazy.TabManager.getIdForBrowser(browser);
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// Define the HTTP path to query this target
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this.path = `/devtools/page/${this.id}`;
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Services.obs.addObserver(this, "message-manager-disconnect");
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}
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destructor() {
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Services.obs.removeObserver(this, "message-manager-disconnect");
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super.destructor();
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}
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get browserContextId() {
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return parseInt(this.browser.getAttribute("usercontextid"));
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}
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get browsingContext() {
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return this.browser.browsingContext;
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}
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get mm() {
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return this.browser.messageManager;
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}
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get window() {
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return this.browser.ownerGlobal;
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}
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get tab() {
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return this.window.gBrowser.getTabForBrowser(this.browser);
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}
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/**
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* Determines if the content browser remains attached
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* to its parent chrome window.
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*
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* We determine this by checking if the <browser> element
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* is still attached to the DOM.
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*
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* @returns {boolean}
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* True if target's browser is still attached,
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* false if it has been disconnected.
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*/
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get closed() {
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return !this.browser || !this.browser.isConnected;
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}
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get description() {
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return "";
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}
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get frontendURL() {
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return null;
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}
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get title() {
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return this.browsingContext.currentWindowGlobal.documentTitle;
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}
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get type() {
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return "page";
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}
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get url() {
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return this.browser.currentURI.spec;
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}
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get wsDebuggerURL() {
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const { host, port } = lazy.RemoteAgent;
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return `ws://${host}:${port}${this.path}`;
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}
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toString() {
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return `[object Target ${this.id}]`;
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}
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toJSON() {
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return {
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description: this.description,
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devtoolsFrontendUrl: this.frontendURL,
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// TODO(ato): toJSON cannot be marked async )-:
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faviconUrl: "",
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id: this.id,
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// Bug 1680817: Fails to encode some UTF-8 characters
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// title: this.title,
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type: this.type,
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url: this.url,
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webSocketDebuggerUrl: this.wsDebuggerURL,
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};
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}
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// nsIObserver
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observe(subject) {
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if (subject === this.mm && subject == "message-manager-disconnect") {
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// disconnect debugging target if <browser> is disconnected,
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// otherwise this is just a host process change
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if (this.closed) {
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this.disconnect();
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}
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}
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}
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// XPCOM
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get QueryInterface() {
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return ChromeUtils.generateQI(["nsIHttpRequestHandler", "nsIObserver"]);
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}
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}
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