77 lines
2.6 KiB
JavaScript
77 lines
2.6 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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loadSubScript('chrome://juggler/content/content/Runtime.js');
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loadSubScript('chrome://juggler/content/SimpleChannel.js');
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const channel = new SimpleChannel('worker::worker');
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const eventListener = event => channel._onMessage(JSON.parse(event.data));
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this.addEventListener('message', eventListener);
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channel.transport = {
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sendMessage: msg => postMessage(JSON.stringify(msg)),
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dispose: () => this.removeEventListener('message', eventListener),
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};
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const runtime = new Runtime(true /* isWorker */);
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(() => {
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// Create execution context in the runtime only when the script
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// source was actually evaluated in it.
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const dbg = new Debugger(global);
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if (dbg.findScripts({global}).length) {
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runtime.createExecutionContext(null /* domWindow */, global, {});
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} else {
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dbg.onNewScript = function(s) {
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dbg.onNewScript = undefined;
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dbg.removeAllDebuggees();
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runtime.createExecutionContext(null /* domWindow */, global, {});
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};
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}
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})();
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class RuntimeAgent {
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constructor(runtime, channel) {
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this._runtime = runtime;
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this._browserRuntime = channel.connect('runtime');
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for (const context of this._runtime.executionContexts())
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this._onExecutionContextCreated(context);
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this._eventListeners = [
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this._runtime.events.onConsoleMessage(msg => this._browserRuntime.emit('runtimeConsole', msg)),
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this._runtime.events.onExecutionContextCreated(this._onExecutionContextCreated.bind(this)),
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this._runtime.events.onExecutionContextDestroyed(this._onExecutionContextDestroyed.bind(this)),
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channel.register('runtime', {
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evaluate: this._runtime.evaluate.bind(this._runtime),
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callFunction: this._runtime.callFunction.bind(this._runtime),
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getObjectProperties: this._runtime.getObjectProperties.bind(this._runtime),
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disposeObject: this._runtime.disposeObject.bind(this._runtime),
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}),
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];
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}
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_onExecutionContextCreated(executionContext) {
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this._browserRuntime.emit('runtimeExecutionContextCreated', {
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executionContextId: executionContext.id(),
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auxData: executionContext.auxData(),
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});
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}
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_onExecutionContextDestroyed(executionContext) {
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this._browserRuntime.emit('runtimeExecutionContextDestroyed', {
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executionContextId: executionContext.id(),
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});
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}
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dispose() {
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for (const disposer of this._eventListeners)
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disposer();
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this._eventListeners = [];
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}
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}
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new RuntimeAgent(runtime, channel);
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