59 lines
1.7 KiB
JavaScript
59 lines
1.7 KiB
JavaScript
define([
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'/common/common-util.js',
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], function (Util) {
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var module = {};
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module.create = function (Common) {
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var exp = {};
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var sframeChan = Common.getSframeChannel();
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var metadataMgr = Common.getMetadataMgr();
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var privateData = metadataMgr.getPrivateData();
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var share = Util.find(privateData, ['settings', 'general', 'cursor', 'share']);
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var show = Util.find(privateData, ['settings', 'general', 'cursor', 'show']);
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var execCommand = function (cmd, data, cb) {
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sframeChan.query('Q_CURSOR_COMMAND', {cmd: cmd, data: data}, function (err, obj) {
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if (err || (obj && obj.error)) { return void cb(err || (obj && obj.error)); }
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cb(void 0, obj);
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});
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};
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exp.updateCursor = function (obj) {
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if (share === false) { return; }
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execCommand('UPDATE', obj, function (err) {
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if (err) { console.error(err); }
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});
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};
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var messageHandlers = [];
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exp.onCursorUpdate = function (handler) {
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messageHandlers.push(handler);
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};
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var onMessage = function (data) {
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if (show === false) { return; }
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messageHandlers.forEach(function (h) {
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try {
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h(data);
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} catch (e) {
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console.error(e);
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}
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});
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};
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sframeChan.on('EV_CURSOR_EVENT', function (obj) {
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var cmd = obj.ev;
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var data = obj.data;
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if (cmd === 'MESSAGE') {
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onMessage(data);
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return;
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}
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});
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return exp;
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};
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return module;
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});
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