Resources attached to the Road To DevOps tutorial
https://blog.noobtoroot.xyz/road-to-devops/
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407 lines
9.7 KiB
407 lines
9.7 KiB
<!doctype html> |
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<html lang="en"> |
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<head> |
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<meta charset="utf-8"> |
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<title>reveal.js - Slide Notes</title> |
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<style> |
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body { |
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font-family: Helvetica; |
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} |
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#current-slide, |
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#upcoming-slide, |
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#speaker-controls { |
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padding: 6px; |
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box-sizing: border-box; |
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-moz-box-sizing: border-box; |
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} |
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#current-slide iframe, |
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#upcoming-slide iframe { |
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width: 100%; |
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height: 100%; |
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border: 1px solid #ddd; |
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} |
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#current-slide .label, |
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#upcoming-slide .label { |
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position: absolute; |
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top: 10px; |
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left: 10px; |
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font-weight: bold; |
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font-size: 14px; |
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z-index: 2; |
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color: rgba( 255, 255, 255, 0.9 ); |
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} |
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#current-slide { |
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position: absolute; |
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width: 65%; |
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height: 100%; |
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top: 0; |
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left: 0; |
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padding-right: 0; |
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} |
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#upcoming-slide { |
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position: absolute; |
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width: 35%; |
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height: 40%; |
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right: 0; |
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top: 0; |
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} |
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#speaker-controls { |
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position: absolute; |
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top: 40%; |
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right: 0; |
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width: 35%; |
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height: 60%; |
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font-size: 18px; |
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} |
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.speaker-controls-time.hidden, |
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.speaker-controls-notes.hidden { |
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display: none; |
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} |
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.speaker-controls-time .label, |
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.speaker-controls-notes .label { |
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text-transform: uppercase; |
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font-weight: normal; |
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font-size: 0.66em; |
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color: #666; |
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margin: 0; |
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} |
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.speaker-controls-time { |
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border-bottom: 1px solid rgba( 200, 200, 200, 0.5 ); |
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margin-bottom: 10px; |
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padding: 10px 16px; |
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padding-bottom: 20px; |
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cursor: pointer; |
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} |
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.speaker-controls-time .reset-button { |
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opacity: 0; |
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float: right; |
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color: #666; |
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text-decoration: none; |
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} |
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.speaker-controls-time:hover .reset-button { |
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opacity: 1; |
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} |
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.speaker-controls-time .timer, |
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.speaker-controls-time .clock { |
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width: 50%; |
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font-size: 1.9em; |
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} |
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.speaker-controls-time .timer { |
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float: left; |
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} |
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.speaker-controls-time .clock { |
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float: right; |
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text-align: right; |
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} |
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.speaker-controls-time span.mute { |
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color: #bbb; |
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} |
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.speaker-controls-notes { |
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padding: 10px 16px; |
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} |
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.speaker-controls-notes .value { |
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margin-top: 5px; |
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line-height: 1.4; |
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font-size: 1.2em; |
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} |
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.clear { |
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clear: both; |
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} |
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@media screen and (max-width: 1080px) { |
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#speaker-controls { |
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font-size: 16px; |
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} |
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} |
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@media screen and (max-width: 900px) { |
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#speaker-controls { |
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font-size: 14px; |
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} |
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} |
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@media screen and (max-width: 800px) { |
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#speaker-controls { |
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font-size: 12px; |
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} |
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} |
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</style> |
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</head> |
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<body> |
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<div id="current-slide"></div> |
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<div id="upcoming-slide"><span class="label">UPCOMING:</span></div> |
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<div id="speaker-controls"> |
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<div class="speaker-controls-time"> |
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<h4 class="label">Time <span class="reset-button">Click to Reset</span></h4> |
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<div class="clock"> |
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<span class="clock-value">0:00 AM</span> |
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</div> |
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<div class="timer"> |
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<span class="hours-value">00</span><span class="minutes-value">:00</span><span class="seconds-value">:00</span> |
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</div> |
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<div class="clear"></div> |
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</div> |
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<div class="speaker-controls-notes hidden"> |
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<h4 class="label">Notes</h4> |
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<div class="value"></div> |
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</div> |
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</div> |
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<script src="/socket.io/socket.io.js"></script> |
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<script src="/plugin/markdown/marked.js"></script> |
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<script> |
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(function() { |
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var notes, |
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notesValue, |
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currentState, |
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currentSlide, |
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upcomingSlide, |
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connected = false; |
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var socket = io.connect( window.location.origin ), |
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socketId = '{{socketId}}'; |
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socket.on( 'statechanged', function( data ) { |
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// ignore data from sockets that aren't ours |
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if( data.socketId !== socketId ) { return; } |
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if( connected === false ) { |
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connected = true; |
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setupKeyboard(); |
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setupNotes(); |
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setupTimer(); |
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} |
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handleStateMessage( data ); |
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} ); |
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// Load our presentation iframes |
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setupIframes(); |
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// Once the iframes have loaded, emit a signal saying there's |
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// a new subscriber which will trigger a 'statechanged' |
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// message to be sent back |
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window.addEventListener( 'message', function( event ) { |
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var data = JSON.parse( event.data ); |
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if( data && data.namespace === 'reveal' ) { |
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if( /ready/.test( data.eventName ) ) { |
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socket.emit( 'new-subscriber', { socketId: socketId } ); |
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} |
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} |
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// Messages sent by reveal.js inside of the current slide preview |
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if( data && data.namespace === 'reveal' ) { |
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if( /slidechanged|fragmentshown|fragmenthidden|overviewshown|overviewhidden|paused|resumed/.test( data.eventName ) && currentState !== JSON.stringify( data.state ) ) { |
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socket.emit( 'statechanged-speaker', { state: data.state } ); |
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} |
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} |
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} ); |
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/** |
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* Called when the main window sends an updated state. |
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*/ |
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function handleStateMessage( data ) { |
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// Store the most recently set state to avoid circular loops |
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// applying the same state |
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currentState = JSON.stringify( data.state ); |
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// No need for updating the notes in case of fragment changes |
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if ( data.notes ) { |
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notes.classList.remove( 'hidden' ); |
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if( data.markdown ) { |
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notesValue.innerHTML = marked( data.notes ); |
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} |
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else { |
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notesValue.innerHTML = data.notes; |
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} |
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} |
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else { |
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notes.classList.add( 'hidden' ); |
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} |
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// Update the note slides |
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currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' ); |
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upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' ); |
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upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'next' }), '*' ); |
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} |
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// Limit to max one state update per X ms |
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handleStateMessage = debounce( handleStateMessage, 200 ); |
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/** |
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* Forward keyboard events to the current slide window. |
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* This enables keyboard events to work even if focus |
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* isn't set on the current slide iframe. |
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*/ |
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function setupKeyboard() { |
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document.addEventListener( 'keydown', function( event ) { |
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currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'triggerKey', args: [ event.keyCode ] }), '*' ); |
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} ); |
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} |
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/** |
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* Creates the preview iframes. |
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*/ |
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function setupIframes() { |
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var params = [ |
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'receiver', |
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'progress=false', |
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'history=false', |
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'transition=none', |
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'backgroundTransition=none' |
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].join( '&' ); |
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var currentURL = '/?' + params + '&postMessageEvents=true'; |
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var upcomingURL = '/?' + params + '&controls=false'; |
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currentSlide = document.createElement( 'iframe' ); |
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currentSlide.setAttribute( 'width', 1280 ); |
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currentSlide.setAttribute( 'height', 1024 ); |
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currentSlide.setAttribute( 'src', currentURL ); |
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document.querySelector( '#current-slide' ).appendChild( currentSlide ); |
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upcomingSlide = document.createElement( 'iframe' ); |
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upcomingSlide.setAttribute( 'width', 640 ); |
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upcomingSlide.setAttribute( 'height', 512 ); |
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upcomingSlide.setAttribute( 'src', upcomingURL ); |
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document.querySelector( '#upcoming-slide' ).appendChild( upcomingSlide ); |
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} |
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/** |
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* Setup the notes UI. |
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*/ |
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function setupNotes() { |
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notes = document.querySelector( '.speaker-controls-notes' ); |
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notesValue = document.querySelector( '.speaker-controls-notes .value' ); |
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} |
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/** |
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* Create the timer and clock and start updating them |
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* at an interval. |
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*/ |
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function setupTimer() { |
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var start = new Date(), |
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timeEl = document.querySelector( '.speaker-controls-time' ), |
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clockEl = timeEl.querySelector( '.clock-value' ), |
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hoursEl = timeEl.querySelector( '.hours-value' ), |
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minutesEl = timeEl.querySelector( '.minutes-value' ), |
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secondsEl = timeEl.querySelector( '.seconds-value' ); |
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function _updateTimer() { |
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var diff, hours, minutes, seconds, |
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now = new Date(); |
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diff = now.getTime() - start.getTime(); |
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hours = Math.floor( diff / ( 1000 * 60 * 60 ) ); |
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minutes = Math.floor( ( diff / ( 1000 * 60 ) ) % 60 ); |
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seconds = Math.floor( ( diff / 1000 ) % 60 ); |
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clockEl.innerHTML = now.toLocaleTimeString( 'en-US', { hour12: true, hour: '2-digit', minute:'2-digit' } ); |
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hoursEl.innerHTML = zeroPadInteger( hours ); |
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hoursEl.className = hours > 0 ? '' : 'mute'; |
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minutesEl.innerHTML = ':' + zeroPadInteger( minutes ); |
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minutesEl.className = minutes > 0 ? '' : 'mute'; |
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secondsEl.innerHTML = ':' + zeroPadInteger( seconds ); |
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} |
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// Update once directly |
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_updateTimer(); |
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// Then update every second |
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setInterval( _updateTimer, 1000 ); |
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timeEl.addEventListener( 'click', function() { |
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start = new Date(); |
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_updateTimer(); |
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return false; |
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} ); |
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} |
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function zeroPadInteger( num ) { |
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var str = '00' + parseInt( num ); |
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return str.substring( str.length - 2 ); |
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} |
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/** |
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* Limits the frequency at which a function can be called. |
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*/ |
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function debounce( fn, ms ) { |
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var lastTime = 0, |
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timeout; |
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return function() { |
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var args = arguments; |
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var context = this; |
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clearTimeout( timeout ); |
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var timeSinceLastCall = Date.now() - lastTime; |
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if( timeSinceLastCall > ms ) { |
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fn.apply( context, args ); |
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lastTime = Date.now(); |
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} |
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else { |
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timeout = setTimeout( function() { |
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fn.apply( context, args ); |
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lastTime = Date.now(); |
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}, ms - timeSinceLastCall ); |
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} |
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} |
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} |
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})(); |
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</script> |
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</body> |
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</html>
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