42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
'use strict';
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var dataSources = ['screen', 'window'];
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var desktopMediaRequestId = '';
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chrome.runtime.onConnect.addListener(function(port) {
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port.onMessage.addListener(function(msg) {
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if (msg.type === 'SS_UI_REQUEST') {
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requestScreenSharing(port, msg);
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}
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if (msg.type === 'SS_UI_CANCEL') {
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cancelScreenSharing(msg);
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}
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});
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});
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function requestScreenSharing(port, msg) {
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// https://developer.chrome.com/extensions/desktopCapture
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// params:
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// - 'dataSources' Set of sources that should be shown to the user.
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// - 'targetTab' Tab for which the stream is created.
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// - 'streamId' String that can be passed to getUserMedia() API
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desktopMediaRequestId =
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chrome.desktopCapture.chooseDesktopMedia(dataSources, port.sender.tab,
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function(streamId) {
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if (streamId) {
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msg.type = 'SS_DIALOG_SUCCESS';
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msg.streamId = streamId;
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} else {
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msg.type = 'SS_DIALOG_CANCEL';
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}
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port.postMessage(msg);
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});
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}
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function cancelScreenSharing() {
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if (desktopMediaRequestId) {
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chrome.desktopCapture.cancelChooseDesktopMedia(desktopMediaRequestId);
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}
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}
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