зеркало из https://github.com/mozilla/gecko-dev.git
74 строки
2.0 KiB
JavaScript
74 строки
2.0 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 { Task } = require("devtools/shared/task");
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const EventEmitter = require("devtools/shared/old-event-emitter");
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const { MemoryFront } = require("devtools/shared/fronts/memory");
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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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EventEmitter.decorate(this);
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}
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MemoryPanel.prototype = {
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open: Task.async(function* () {
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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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const rootForm = yield this.target.root;
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this.panelWin.gFront = new MemoryFront(this.target.client,
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this.target.form,
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rootForm);
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this.panelWin.gHeapAnalysesClient = new HeapAnalysesClient();
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yield this.panelWin.gFront.attach();
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this._opening = this.panelWin.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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destroy: Task.async(function* () {
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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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yield this.panelWin.gFront.detach();
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this._destroyer = this.panelWin.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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