43 lines
1.3 KiB
JavaScript
43 lines
1.3 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 system = require('sdk/system/events');
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const { frames } = require('sdk/remote/child');
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const { WorkerChild } = require('sdk/content/worker-child');
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// map observer topics to tab event names
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const EVENTS = {
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'content-document-interactive': 'ready',
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'chrome-document-interactive': 'ready',
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'content-document-loaded': 'load',
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'chrome-document-loaded': 'load',
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// 'content-page-shown': 'pageshow', // bug 1024105
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}
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function topicListener({ subject, type }) {
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let window = subject.defaultView;
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if (!window)
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return;
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let frame = frames.getFrameForWindow(subject.defaultView);
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if (frame)
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frame.port.emit('sdk/tab/event', EVENTS[type]);
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}
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for (let topic in EVENTS)
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system.on(topic, topicListener, true);
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// bug 1024105 - content-page-shown notification doesn't pass persisted param
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function eventListener({target, type, persisted}) {
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let frame = this;
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if (target === frame.content.document)
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frame.port.emit('sdk/tab/event', type, persisted);
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}
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frames.addEventListener('pageshow', eventListener, true);
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frames.port.on('sdk/tab/attach', (frame, options) => {
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options.window = frame.content;
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new WorkerChild(options);
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});
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