debounce messages from notes -> main window, fixes #3147
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@ -5,7 +5,7 @@ export default class Location {
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// The minimum number of milliseconds that must pass between
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// calls to history.replaceState
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MAX_REPLACE_STATE_FREQUENCY = 250
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MAX_REPLACE_STATE_FREQUENCY = 1000
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constructor( Reveal ) {
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@ -403,13 +403,21 @@
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}
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else if( /slidechanged|fragmentshown|fragmenthidden|paused|resumed/.test( data.eventName ) && currentState !== JSON.stringify( data.state ) ) {
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window.opener.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ]} ), '*' );
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dispatchStateToMainWindow( data.state );
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}
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}
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} );
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/**
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* Updates the presentation in the main window to match the state
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* of the presentation in the notes window.
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*/
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const dispatchStateToMainWindow = debounce(( state ) => {
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window.opener.postMessage( JSON.stringify({ method: 'setState', args: [ state ]} ), '*' );
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}, 500);
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/**
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* Asynchronously calls the Reveal.js API of the main frame.
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*/
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