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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* 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/. */
"use strict";
const promise = require("promise");
loader.lazyRequireGetter(this, "HUDService", "devtools/client/webconsole/hudservice", true);
loader.lazyGetter(this, "EventEmitter", () => require("devtools/shared/event-emitter"));
/**
* A DevToolPanel that controls the Web Console.
*/
function WebConsolePanel(iframeWindow, toolbox) {
this._frameWindow = iframeWindow;
this._toolbox = toolbox;
EventEmitter.decorate(this);
}
exports.WebConsolePanel = WebConsolePanel;
WebConsolePanel.prototype = {
hud: null,
/**
* Called by the WebConsole's onkey command handler.
* If the WebConsole is opened, check if the JSTerm's input line has focus.
* If not, focus it.
*/
focusInput: function () {
this.hud.jsterm.focus();
},
/**
* Open is effectively an asynchronous constructor.
*
* @return object
* A promise that is resolved when the Web Console completes opening.
*/
open: function () {
let parentDoc = this._toolbox.doc;
let iframe = parentDoc.getElementById("toolbox-panel-iframe-webconsole");
// Make sure the iframe content window is ready.
let deferredIframe = promise.defer();
let win, doc;
if ((win = iframe.contentWindow) &&
(doc = win.document) &&
doc.readyState == "complete") {
deferredIframe.resolve(null);
} else {
iframe.addEventListener("load", function onIframeLoad() {
iframe.removeEventListener("load", onIframeLoad, true);
deferredIframe.resolve(null);
}, true);
}
// Local debugging needs to make the target remote.
let promiseTarget;
if (!this.target.isRemote) {
promiseTarget = this.target.makeRemote();
} else {
promiseTarget = promise.resolve(this.target);
}
// 1. Wait for the iframe to load.
// 2. Wait for the remote target.
// 3. Open the Web Console.
return deferredIframe.promise
.then(() => promiseTarget)
.then((target) => {
this._frameWindow._remoteTarget = target;
let webConsoleUIWindow = iframe.contentWindow.wrappedJSObject;
let chromeWindow = iframe.ownerDocument.defaultView;
return HUDService.openWebConsole(this.target, webConsoleUIWindow,
chromeWindow);
})
.then((webConsole) => {
this.hud = webConsole;
this._isReady = true;
this.emit("ready");
return this;
}, (reason) => {
let msg = "WebConsolePanel open failed. " +
reason.error + ": " + reason.message;
dump(msg + "\n");
console.error(msg);
});
},
get target() {
return this._toolbox.target;
},
_isReady: false,
get isReady() {
return this._isReady;
},
destroy: function () {
if (this._destroyer) {
return this._destroyer;
}
this._destroyer = this.hud.destroy();
this._destroyer.then(() => {
this._frameWindow = null;
this._toolbox = null;
this.emit("destroyed");
});
return this._destroyer;
},
};
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