forked from mirrors/gecko-dev
ceaeb93550
Differential Revision: https://phabricator.services.mozilla.com/D8389 --HG-- extra : moz-landing-system : lando
75 lines
2 KiB
JavaScript
75 lines
2 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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const EventEmitter = require("devtools/shared/event-emitter");
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const { Cu } = require("chrome");
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const HeapAnalysesClient = require("devtools/shared/heapsnapshot/HeapAnalysesClient");
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function MemoryPanel(iframeWindow, toolbox) {
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this.panelWin = iframeWindow;
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this._toolbox = toolbox;
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const { BrowserLoader } = Cu.import("resource://devtools/client/shared/browser-loader.js", {});
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const browserRequire = BrowserLoader({
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baseURI: "resource://devtools/client/memory/",
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window: this.panelWin,
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}).require;
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this.initializer = browserRequire("devtools/client/memory/initializer");
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EventEmitter.decorate(this);
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}
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MemoryPanel.prototype = {
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async open() {
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if (this._opening) {
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return this._opening;
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}
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this.panelWin.gToolbox = this._toolbox;
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this.panelWin.gTarget = this.target;
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this.panelWin.gFront = this.target.getFront("memory");
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this.panelWin.gHeapAnalysesClient = new HeapAnalysesClient();
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await this.panelWin.gFront.attach();
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this._opening = this.initializer.initialize().then(() => {
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this.isReady = true;
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this.emit("ready");
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return this;
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});
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return this._opening;
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},
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// DevToolPanel API
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get target() {
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return this._toolbox.target;
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},
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async destroy() {
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// Make sure this panel is not already destroyed.
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if (this._destroyer) {
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return this._destroyer;
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}
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await this.panelWin.gFront.detach();
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this._destroyer = this.initializer.destroy().then(() => {
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// Destroy front to ensure packet handler is removed from client
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this.panelWin.gFront.destroy();
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this.panelWin.gHeapAnalysesClient.destroy();
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this.panelWin = null;
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this._opening = null;
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this.isReady = false;
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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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exports.MemoryPanel = MemoryPanel;
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