зеркало из https://github.com/mozilla/gecko-dev.git
108 строки
2.9 KiB
JavaScript
108 строки
2.9 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set ft= javascript ts=2 et sw=2 tw=80: */
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/* 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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loader.lazyRequireGetter(this, "HUDService", "devtools/client/webconsole/hudservice", true);
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loader.lazyGetter(this, "EventEmitter", () => require("devtools/shared/event-emitter"));
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/**
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* A DevToolPanel that controls the Web Console.
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*/
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function WebConsolePanel(iframeWindow, toolbox) {
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this._frameWindow = iframeWindow;
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this._toolbox = toolbox;
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EventEmitter.decorate(this);
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}
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exports.WebConsolePanel = WebConsolePanel;
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WebConsolePanel.prototype = {
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hud: null,
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/**
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* Called by the WebConsole's onkey command handler.
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* If the WebConsole is opened, check if the JSTerm's input line has focus.
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* If not, focus it.
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*/
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focusInput: function() {
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this.hud.jsterm.focus();
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},
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/**
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* Open is effectively an asynchronous constructor.
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*
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* @return object
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* A promise that is resolved when the Web Console completes opening.
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*/
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open: async function() {
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try {
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const parentDoc = this._toolbox.doc;
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const iframe = parentDoc.getElementById("toolbox-panel-iframe-webconsole");
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// Make sure the iframe content window is ready.
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const win = iframe.contentWindow;
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const doc = win && win.document;
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if (!doc || doc.readyState !== "complete") {
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await new Promise(resolve => {
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iframe.addEventListener("load", resolve, {capture: true, once: true});
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});
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}
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// Local debugging needs to make the target remote.
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if (!this.target.isRemote) {
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await this.target.makeRemote();
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}
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const webConsoleUIWindow = iframe.contentWindow.wrappedJSObject;
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const chromeWindow = iframe.ownerDocument.defaultView;
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// Open the Web Console.
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this.hud = await HUDService.openWebConsole(
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this.target, webConsoleUIWindow, chromeWindow);
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// Pipe 'reloaded' event from WebConsoleFrame to WebConsolePanel.
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// These events are listened by the Toolbox.
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this.hud.ui.on("reloaded", () => {
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this.emit("reloaded");
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});
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this._isReady = true;
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this.emit("ready");
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} catch (e) {
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const msg = "WebConsolePanel open failed. " + e.error + ": " + e.message;
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dump(msg + "\n");
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console.error(msg, e);
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}
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return this;
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},
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get target() {
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return this._toolbox.target;
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},
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_isReady: false,
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get isReady() {
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return this._isReady;
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},
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destroy: function() {
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if (this._destroyer) {
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return this._destroyer;
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}
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this._destroyer = this.hud.destroy();
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this._destroyer.then(() => {
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this._frameWindow = null;
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this._toolbox = null;
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this.emit("destroyed");
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});
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return this._destroyer;
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},
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};
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