74 lines
2.1 KiB
JavaScript
74 lines
2.1 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("resource://devtools/shared/event-emitter.js");
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const HeapAnalysesClient = require("resource://devtools/shared/heapsnapshot/HeapAnalysesClient.js");
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function MemoryPanel(iframeWindow, toolbox, commands) {
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this.panelWin = iframeWindow;
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this._toolbox = toolbox;
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this._commands = commands;
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const { BrowserLoader } = ChromeUtils.importESModule(
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"resource://devtools/shared/loader/browser-loader.sys.mjs"
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);
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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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this._onTargetAvailable = this._onTargetAvailable.bind(this);
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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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this.panelWin.gToolbox = this._toolbox;
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this.panelWin.gHeapAnalysesClient = new HeapAnalysesClient();
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await this.initializer.initialize(this._commands);
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await this._commands.targetCommand.watchTargets({
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types: [this._commands.targetCommand.TYPES.FRAME],
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onAvailable: this._onTargetAvailable,
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});
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return this;
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},
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async _onTargetAvailable({ targetFront }) {
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if (targetFront.isTopLevel) {
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const front = await targetFront.getFront("memory");
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await front.attach();
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this.initializer.updateFront(front);
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}
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},
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// DevToolPanel API
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destroy() {
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// Make sure this panel is not already destroyed.
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if (this._destroyed) {
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return;
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}
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this._destroyed = true;
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this._commands.targetCommand.unwatchTargets({
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types: [this._commands.targetCommand.TYPES.FRAME],
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onAvailable: this._onTargetAvailable,
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});
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this.initializer.destroy();
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this.panelWin.gHeapAnalysesClient.destroy();
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this.panelWin = null;
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this.emit("destroyed");
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},
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};
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exports.MemoryPanel = MemoryPanel;
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