756 lines
22 KiB
HTML
Executable File
756 lines
22 KiB
HTML
Executable File
<!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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font-size: 18px;
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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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z-index: 2;
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}
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.overlay-element {
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height: 34px;
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line-height: 34px;
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padding: 0 10px;
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text-shadow: none;
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background: rgba(220, 220, 220, 0.8);
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color: #222;
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font-size: 14px;
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}
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.overlay-element.interactive:hover {
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background: rgba(220, 220, 220, 1);
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}
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#current-slide {
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position: absolute;
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width: 60%;
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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: 40%;
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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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#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: 40%;
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height: 60%;
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overflow: auto;
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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-pace .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, .speaker-controls-pace {
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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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}
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.speaker-controls-time .timer,
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.speaker-controls-time .clock,
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.speaker-controls-time .pacing .hours-value,
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.speaker-controls-time .pacing .minutes-value,
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.speaker-controls-time .pacing .seconds-value {
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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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opacity: 0.3;
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}
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.speaker-controls-time .pacing-title {
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margin-top: 5px;
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}
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.speaker-controls-time .pacing.ahead {
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color: blue;
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}
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.speaker-controls-time .pacing.on-track {
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color: green;
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}
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.speaker-controls-time .pacing.behind {
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color: red;
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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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/* Layout selector */
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#speaker-layout {
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position: absolute;
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top: 10px;
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right: 10px;
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color: #222;
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z-index: 10;
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}
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#speaker-layout select {
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position: absolute;
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width: 100%;
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height: 100%;
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top: 0;
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left: 0;
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border: 0;
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box-shadow: 0;
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cursor: pointer;
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opacity: 0;
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font-size: 1em;
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background-color: transparent;
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-moz-appearance: none;
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-webkit-appearance: none;
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-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
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}
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#speaker-layout select:focus {
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outline: none;
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box-shadow: none;
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}
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.clear {
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clear: both;
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}
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/* Speaker layout: Wide */
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body[data-speaker-layout="wide"] #current-slide,
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body[data-speaker-layout="wide"] #upcoming-slide {
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width: 50%;
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height: 45%;
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padding: 6px;
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}
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body[data-speaker-layout="wide"] #current-slide {
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top: 0;
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left: 0;
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}
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body[data-speaker-layout="wide"] #upcoming-slide {
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top: 0;
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left: 50%;
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}
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body[data-speaker-layout="wide"] #speaker-controls {
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top: 45%;
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left: 0;
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width: 100%;
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height: 50%;
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font-size: 1.25em;
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}
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/* Speaker layout: Tall */
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body[data-speaker-layout="tall"] #current-slide,
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body[data-speaker-layout="tall"] #upcoming-slide {
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width: 45%;
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height: 50%;
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padding: 6px;
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}
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body[data-speaker-layout="tall"] #current-slide {
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top: 0;
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left: 0;
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}
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body[data-speaker-layout="tall"] #upcoming-slide {
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top: 50%;
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left: 0;
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}
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body[data-speaker-layout="tall"] #speaker-controls {
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padding-top: 40px;
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top: 0;
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left: 45%;
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width: 55%;
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height: 100%;
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font-size: 1.25em;
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}
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/* Speaker layout: Notes only */
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body[data-speaker-layout="notes-only"] #current-slide,
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body[data-speaker-layout="notes-only"] #upcoming-slide {
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display: none;
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}
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body[data-speaker-layout="notes-only"] #speaker-controls {
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padding-top: 40px;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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font-size: 1.25em;
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}
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@media screen and (max-width: 1080px) {
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body[data-speaker-layout="default"] #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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body[data-speaker-layout="default"] #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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body[data-speaker-layout="default"] #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="overlay-element 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
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class="seconds-value">:00</span>
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</div>
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<div class="clear"></div>
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<h4 class="label pacing-title" style="display: none">Pacing – Time to finish current slide</h4>
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<div class="pacing" style="display: none">
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<span class="hours-value">00</span><span class="minutes-value">:00</span><span
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class="seconds-value">:00</span>
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</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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<div class="overlay-element interactive" id="speaker-layout">
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<span class="speaker-layout-label"></span>
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<select class="speaker-layout-dropdown"></select>
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</div>
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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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layoutLabel,
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layoutDropdown,
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connected = false;
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var SPEAKER_LAYOUTS = {
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'default': 'Default',
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'wide': 'Wide',
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'tall': 'Tall',
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'notes-only': 'Notes only'
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};
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setupLayout();
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window.addEventListener('message', function (event) {
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var data = JSON.parse(event.data);
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// The overview mode is only useful to the reveal.js instance
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// where navigation occurs so we don't sync it
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if (data.state) delete data.state.overview;
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// Messages sent by the notes plugin inside of the main window
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if (data && data.namespace === 'reveal-notes') {
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if (data.type === 'connect') {
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handleConnectMessage(data);
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} else if (data.type === 'state') {
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handleStateMessage(data);
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}
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}
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// Messages sent by the reveal.js inside of the current slide preview
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else if (data && data.namespace === 'reveal') {
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if (/ready/.test(data.eventName)) {
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// Send a message back to notify that the handshake is complete
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window.opener.postMessage(JSON.stringify({namespace: 'reveal-notes', type: 'connected'}), '*');
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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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}
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}
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});
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/**
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* Called when the main window is trying to establish a
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* connection.
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*/
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function handleConnectMessage(data) {
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if (connected === false) {
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connected = true;
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setupIframes(data);
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setupKeyboard();
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setupNotes();
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setupTimer();
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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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notesValue.style.whiteSpace = data.whitespace;
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if (data.markdown) {
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notesValue.innerHTML = marked(data.notes);
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} else {
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notesValue.innerHTML = data.notes;
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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({
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method: 'triggerKey',
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args: [event.keyCode]
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}), '*');
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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(data) {
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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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'autoSlide=0',
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'backgroundTransition=none'
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].join('&');
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var urlSeparator = /\?/.test(data.url) ? '&' : '?';
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var hash = '#/' + data.state.indexh + '/' + data.state.indexv;
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var currentURL = data.url + urlSeparator + params + '&postMessageEvents=true' + hash;
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var upcomingURL = data.url + urlSeparator + params + '&controls=false' + hash;
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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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function getTimings() {
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var slides = Reveal.getSlides();
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var defaultTiming = Reveal.getConfig().defaultTiming;
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if (defaultTiming == null) {
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return null;
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}
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var timings = [];
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for (var i in slides) {
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var slide = slides[i];
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var timing = defaultTiming;
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if (slide.hasAttribute('data-timing')) {
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var t = slide.getAttribute('data-timing');
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timing = parseInt(t);
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if (isNaN(timing)) {
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console.warn("Could not parse timing '" + t + "' of slide " + i + "; using default of " + defaultTiming);
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timing = defaultTiming;
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}
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}
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timings.push(timing);
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}
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return timings;
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}
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/**
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* Return the number of seconds allocated for presenting
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* all slides up to and including this one.
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*/
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function getTimeAllocated(timings) {
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var slides = Reveal.getSlides();
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var allocated = 0;
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var currentSlide = Reveal.getSlidePastCount();
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for (var i in slides.slice(0, currentSlide + 1)) {
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allocated += timings[i];
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}
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return allocated;
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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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pacingTitleEl = timeEl.querySelector('.pacing-title'),
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pacingEl = timeEl.querySelector('.pacing'),
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pacingHoursEl = pacingEl.querySelector('.hours-value'),
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pacingMinutesEl = pacingEl.querySelector('.minutes-value'),
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pacingSecondsEl = pacingEl.querySelector('.seconds-value');
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var timings = getTimings();
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if (timings !== null) {
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pacingTitleEl.style.removeProperty('display');
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pacingEl.style.removeProperty('display');
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}
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function _displayTime(hrEl, minEl, secEl, time) {
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var sign = Math.sign(time) == -1 ? "-" : "";
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time = Math.abs(Math.round(time / 1000));
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var seconds = time % 60;
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var minutes = Math.floor(time / 60) % 60;
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var hours = Math.floor(time / (60 * 60));
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hrEl.innerHTML = sign + zeroPadInteger(hours);
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if (hours == 0) {
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hrEl.classList.add('mute');
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} else {
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hrEl.classList.remove('mute');
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}
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minEl.innerHTML = ':' + zeroPadInteger(minutes);
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if (hours == 0 && minutes == 0) {
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minEl.classList.add('mute');
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} else {
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minEl.classList.remove('mute');
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}
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secEl.innerHTML = ':' + zeroPadInteger(seconds);
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}
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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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clockEl.innerHTML = now.toLocaleTimeString('en-US', {hour12: true, hour: '2-digit', minute: '2-digit'});
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_displayTime(hoursEl, minutesEl, secondsEl, diff);
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if (timings !== null) {
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_updatePacing(diff);
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}
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||
|
||
}
|
||
|
||
function _updatePacing(diff) {
|
||
|
||
var slideEndTiming = getTimeAllocated(timings) * 1000;
|
||
var currentSlide = Reveal.getSlidePastCount();
|
||
var currentSlideTiming = timings[currentSlide] * 1000;
|
||
var timeLeftCurrentSlide = slideEndTiming - diff;
|
||
if (timeLeftCurrentSlide < 0) {
|
||
pacingEl.className = 'pacing behind';
|
||
} else if (timeLeftCurrentSlide < currentSlideTiming) {
|
||
pacingEl.className = 'pacing on-track';
|
||
} else {
|
||
pacingEl.className = 'pacing ahead';
|
||
}
|
||
_displayTime(pacingHoursEl, pacingMinutesEl, pacingSecondsEl, timeLeftCurrentSlide);
|
||
|
||
}
|
||
|
||
// Update once directly
|
||
_updateTimer();
|
||
|
||
// Then update every second
|
||
setInterval(_updateTimer, 1000);
|
||
|
||
function _resetTimer() {
|
||
|
||
if (timings == null) {
|
||
start = new Date();
|
||
} else {
|
||
// Reset timer to beginning of current slide
|
||
var slideEndTiming = getTimeAllocated(timings) * 1000;
|
||
var currentSlide = Reveal.getSlidePastCount();
|
||
var currentSlideTiming = timings[currentSlide] * 1000;
|
||
var previousSlidesTiming = slideEndTiming - currentSlideTiming;
|
||
var now = new Date();
|
||
start = new Date(now.getTime() - previousSlidesTiming);
|
||
}
|
||
_updateTimer();
|
||
|
||
}
|
||
|
||
timeEl.addEventListener('click', function () {
|
||
_resetTimer();
|
||
return false;
|
||
});
|
||
|
||
}
|
||
|
||
/**
|
||
* Sets up the speaker view layout and layout selector.
|
||
*/
|
||
function setupLayout() {
|
||
|
||
layoutDropdown = document.querySelector('.speaker-layout-dropdown');
|
||
layoutLabel = document.querySelector('.speaker-layout-label');
|
||
|
||
// Render the list of available layouts
|
||
for (var id in SPEAKER_LAYOUTS) {
|
||
var option = document.createElement('option');
|
||
option.setAttribute('value', id);
|
||
option.textContent = SPEAKER_LAYOUTS[id];
|
||
layoutDropdown.appendChild(option);
|
||
}
|
||
|
||
// Monitor the dropdown for changes
|
||
layoutDropdown.addEventListener('change', function (event) {
|
||
|
||
setLayout(layoutDropdown.value);
|
||
|
||
}, false);
|
||
|
||
// Restore any currently persisted layout
|
||
setLayout(getLayout());
|
||
|
||
}
|
||
|
||
/**
|
||
* Sets a new speaker view layout. The layout is persisted
|
||
* in local storage.
|
||
*/
|
||
function setLayout(value) {
|
||
|
||
var title = SPEAKER_LAYOUTS[value];
|
||
|
||
layoutLabel.innerHTML = 'Layout' + (title ? (': ' + title) : '');
|
||
layoutDropdown.value = value;
|
||
|
||
document.body.setAttribute('data-speaker-layout', value);
|
||
|
||
// Persist locally
|
||
if (supportsLocalStorage()) {
|
||
window.localStorage.setItem('reveal-speaker-layout', value);
|
||
}
|
||
|
||
}
|
||
|
||
/**
|
||
* Returns the ID of the most recently set speaker layout
|
||
* or our default layout if none has been set.
|
||
*/
|
||
function getLayout() {
|
||
|
||
if (supportsLocalStorage()) {
|
||
var layout = window.localStorage.getItem('reveal-speaker-layout');
|
||
if (layout) {
|
||
return layout;
|
||
}
|
||
}
|
||
|
||
// Default to the first record in the layouts hash
|
||
for (var id in SPEAKER_LAYOUTS) {
|
||
return id;
|
||
}
|
||
|
||
}
|
||
|
||
function supportsLocalStorage() {
|
||
|
||
try {
|
||
localStorage.setItem('test', 'test');
|
||
localStorage.removeItem('test');
|
||
return true;
|
||
} catch (e) {
|
||
return false;
|
||
}
|
||
|
||
}
|
||
|
||
function zeroPadInteger(num) {
|
||
|
||
var str = '00' + parseInt(num);
|
||
return str.substring(str.length - 2);
|
||
|
||
}
|
||
|
||
/**
|
||
* Limits the frequency at which a function can be called.
|
||
*/
|
||
function debounce(fn, ms) {
|
||
|
||
var lastTime = 0,
|
||
timeout;
|
||
|
||
return function () {
|
||
|
||
var args = arguments;
|
||
var context = this;
|
||
|
||
clearTimeout(timeout);
|
||
|
||
var timeSinceLastCall = Date.now() - lastTime;
|
||
if (timeSinceLastCall > ms) {
|
||
fn.apply(context, args);
|
||
lastTime = Date.now();
|
||
} else {
|
||
timeout = setTimeout(function () {
|
||
fn.apply(context, args);
|
||
lastTime = Date.now();
|
||
}, ms - timeSinceLastCall);
|
||
}
|
||
|
||
}
|
||
|
||
}
|
||
|
||
})();
|
||
|
||
</script>
|
||
</body>
|
||
</html>
|