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ox-reveal update

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This commit is contained in:
Daniel Weschke
2022-04-25 18:47:51 +02:00
parent 2ff6f7e396
commit 2db1c0afe0
84 changed files with 15869 additions and 5383 deletions
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2
scripts/reveal.js/plugin/notes/notes.esm.js
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2
scripts/reveal.js/plugin/notes/notes.js
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288
scripts/reveal.js/plugin/notes/plugin.js
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@@ -1,6 +1,6 @@
import speakerViewHTML from './speaker-view.html';
import marked from 'marked';
import { marked } from 'marked';
/**
* Handles opening of and synchronization with the reveal.js
@@ -15,141 +15,172 @@ import marked from 'marked';
*/
const Plugin = () => {
let popup = null;
let connectInterval;
let speakerWindow = null;
let deck;
let deck;
/**
* Opens a new speaker view window.
*/
function openSpeakerWindow() {
function openNotes() {
// If a window is already open, focus it
if( speakerWindow && !speakerWindow.closed ) {
speakerWindow.focus();
}
else {
speakerWindow = window.open( 'about:blank', 'reveal.js - Notes', 'width=1100,height=700' );
speakerWindow.marked = marked;
speakerWindow.document.write( speakerViewHTML );
if (popup && !popup.closed) {
popup.focus();
return;
}
if( !speakerWindow ) {
alert( 'Speaker view popup failed to open. Please make sure popups are allowed and reopen the speaker view.' );
return;
}
popup = window.open( 'about:blank', 'reveal.js - Notes', 'width=1100,height=700' );
popup.marked = marked;
popup.document.write( speakerViewHTML );
if( !popup ) {
alert( 'Speaker view popup failed to open. Please make sure popups are allowed and reopen the speaker view.' );
return;
connect();
}
/**
* Connect to the notes window through a postmessage handshake.
* Using postmessage enables us to work in situations where the
* origins differ, such as a presentation being opened from the
* file system.
*/
function connect() {
// Keep trying to connect until we get a 'connected' message back
let connectInterval = setInterval( function() {
popup.postMessage( JSON.stringify( {
namespace: 'reveal-notes',
type: 'connect',
url: window.location.protocol + '//' + window.location.host + window.location.pathname + window.location.search,
state: deck.getState()
} ), '*' );
}, 500 );
}
window.addEventListener( 'message', function( event ) {
let data = JSON.parse( event.data );
if( data && data.namespace === 'reveal-notes' && data.type === 'connected' ) {
clearInterval( connectInterval );
onConnected();
}
if( data && data.namespace === 'reveal-notes' && data.type === 'call' ) {
callRevealApi( data.methodName, data.arguments, data.callId );
}
} );
/**
* Reconnect with an existing speaker view window.
*/
function reconnectSpeakerWindow( reconnectWindow ) {
if( speakerWindow && !speakerWindow.closed ) {
speakerWindow.focus();
}
else {
speakerWindow = reconnectWindow;
window.addEventListener( 'message', onPostMessage );
onConnected();
}
/**
* Calls the specified Reveal.js method with the provided argument
* and then pushes the result to the notes frame.
*/
function callRevealApi( methodName, methodArguments, callId ) {
}
let result = deck[methodName].apply( deck, methodArguments );
popup.postMessage( JSON.stringify( {
/**
* Connect to the notes window through a postmessage handshake.
* Using postmessage enables us to work in situations where the
* origins differ, such as a presentation being opened from the
* file system.
*/
function connect() {
const presentationURL = deck.getConfig().url;
const url = typeof presentationURL === 'string' ? presentationURL :
window.location.protocol + '//' + window.location.host + window.location.pathname + window.location.search;
// Keep trying to connect until we get a 'connected' message back
connectInterval = setInterval( function() {
speakerWindow.postMessage( JSON.stringify( {
namespace: 'reveal-notes',
type: 'return',
result: result,
callId: callId
type: 'connect',
state: deck.getState(),
url
} ), '*' );
}, 500 );
window.addEventListener( 'message', onPostMessage );
}
/**
* Calls the specified Reveal.js method with the provided argument
* and then pushes the result to the notes frame.
*/
function callRevealApi( methodName, methodArguments, callId ) {
let result = deck[methodName].apply( deck, methodArguments );
speakerWindow.postMessage( JSON.stringify( {
namespace: 'reveal-notes',
type: 'return',
result,
callId
} ), '*' );
}
/**
* Posts the current slide data to the notes window.
*/
function post( event ) {
let slideElement = deck.getCurrentSlide(),
notesElement = slideElement.querySelector( 'aside.notes' ),
fragmentElement = slideElement.querySelector( '.current-fragment' );
let messageData = {
namespace: 'reveal-notes',
type: 'state',
notes: '',
markdown: false,
whitespace: 'normal',
state: deck.getState()
};
// Look for notes defined in a slide attribute
if( slideElement.hasAttribute( 'data-notes' ) ) {
messageData.notes = slideElement.getAttribute( 'data-notes' );
messageData.whitespace = 'pre-wrap';
}
/**
* Posts the current slide data to the notes window
*/
function post( event ) {
let slideElement = deck.getCurrentSlide(),
notesElement = slideElement.querySelector( 'aside.notes' ),
fragmentElement = slideElement.querySelector( '.current-fragment' );
let messageData = {
namespace: 'reveal-notes',
type: 'state',
notes: '',
markdown: false,
whitespace: 'normal',
state: deck.getState()
};
// Look for notes defined in a slide attribute
if( slideElement.hasAttribute( 'data-notes' ) ) {
messageData.notes = slideElement.getAttribute( 'data-notes' );
// Look for notes defined in a fragment
if( fragmentElement ) {
let fragmentNotes = fragmentElement.querySelector( 'aside.notes' );
if( fragmentNotes ) {
notesElement = fragmentNotes;
}
else if( fragmentElement.hasAttribute( 'data-notes' ) ) {
messageData.notes = fragmentElement.getAttribute( 'data-notes' );
messageData.whitespace = 'pre-wrap';
// In case there are slide notes
notesElement = null;
}
// Look for notes defined in a fragment
if( fragmentElement ) {
let fragmentNotes = fragmentElement.querySelector( 'aside.notes' );
if( fragmentNotes ) {
notesElement = fragmentNotes;
}
else if( fragmentElement.hasAttribute( 'data-notes' ) ) {
messageData.notes = fragmentElement.getAttribute( 'data-notes' );
messageData.whitespace = 'pre-wrap';
// In case there are slide notes
notesElement = null;
}
}
// Look for notes defined in an aside element
if( notesElement ) {
messageData.notes = notesElement.innerHTML;
messageData.markdown = typeof notesElement.getAttribute( 'data-markdown' ) === 'string';
}
popup.postMessage( JSON.stringify( messageData ), '*' );
}
/**
* Called once we have established a connection to the notes
* window.
*/
function onConnected() {
// Monitor events that trigger a change in state
deck.on( 'slidechanged', post );
deck.on( 'fragmentshown', post );
deck.on( 'fragmenthidden', post );
deck.on( 'overviewhidden', post );
deck.on( 'overviewshown', post );
deck.on( 'paused', post );
deck.on( 'resumed', post );
// Post the initial state
post();
// Look for notes defined in an aside element
if( notesElement ) {
messageData.notes = notesElement.innerHTML;
messageData.markdown = typeof notesElement.getAttribute( 'data-markdown' ) === 'string';
}
connect();
speakerWindow.postMessage( JSON.stringify( messageData ), '*' );
}
function onPostMessage( event ) {
let data = JSON.parse( event.data );
if( data && data.namespace === 'reveal-notes' && data.type === 'connected' ) {
clearInterval( connectInterval );
onConnected();
}
else if( data && data.namespace === 'reveal-notes' && data.type === 'call' ) {
callRevealApi( data.methodName, data.arguments, data.callId );
}
}
/**
* Called once we have established a connection to the notes
* window.
*/
function onConnected() {
// Monitor events that trigger a change in state
deck.on( 'slidechanged', post );
deck.on( 'fragmentshown', post );
deck.on( 'fragmenthidden', post );
deck.on( 'overviewhidden', post );
deck.on( 'overviewshown', post );
deck.on( 'paused', post );
deck.on( 'resumed', post );
// Post the initial state
post();
}
@@ -164,19 +195,40 @@ const Plugin = () => {
// If the there's a 'notes' query set, open directly
if( window.location.search.match( /(\?|\&)notes/gi ) !== null ) {
openNotes();
openSpeakerWindow();
}
else {
// Keep listening for speaker view hearbeats. If we receive a
// heartbeat from an orphaned window, reconnect it. This ensures
// that we remain connected to the notes even if the presentation
// is reloaded.
window.addEventListener( 'message', event => {
if( !speakerWindow && typeof event.data === 'string' ) {
let data;
try {
data = JSON.parse( event.data );
}
catch( error ) {}
if( data && data.namespace === 'reveal-notes' && data.type === 'heartbeat' ) {
reconnectSpeakerWindow( event.source );
}
}
});
}
// Open the notes when the 's' key is hit
deck.addKeyBinding({keyCode: 83, key: 'S', description: 'Speaker notes view'}, function() {
openNotes();
openSpeakerWindow();
} );
}
},
open: openNotes
open: openSpeakerWindow
};
};

38
scripts/reveal.js/plugin/notes/speaker-view.html
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@@ -1,3 +1,6 @@
<!--
NOTE: You need to build the notes plugin after making changes to this file.
-->
<html lang="en">
<head>
<meta charset="utf-8">
@@ -347,7 +350,8 @@
layoutDropdown,
pendingCalls = {},
lastRevealApiCallId = 0,
connected = false;
connected = false,
whitelistedWindows = [window.opener];
var SPEAKER_LAYOUTS = {
'default': 'Default',
@@ -362,9 +366,14 @@
var connectionTimeout = setTimeout( function() {
connectionStatus.innerHTML = 'Error connecting to main window.<br>Please try closing and reopening the speaker view.';
}, 5000 );
;
window.addEventListener( 'message', function( event ) {
// Validate the origin of this message to prevent XSS
if( window.location.origin !== event.origin && whitelistedWindows.indexOf( event.source ) === -1 ) {
return;
}
clearTimeout( connectionTimeout );
connectionStatus.style.display = 'none';
@@ -395,13 +404,21 @@
}
else if( /slidechanged|fragmentshown|fragmenthidden|paused|resumed/.test( data.eventName ) && currentState !== JSON.stringify( data.state ) ) {
window.opener.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ]} ), '*' );
dispatchStateToMainWindow( data.state );
}
}
} );
/**
* Updates the presentation in the main window to match the state
* of the presentation in the notes window.
*/
const dispatchStateToMainWindow = debounce(( state ) => {
window.opener.postMessage( JSON.stringify({ method: 'setState', args: [ state ]} ), '*' );
}, 500);
/**
* Asynchronously calls the Reveal.js API of the main frame.
*/
@@ -432,6 +449,7 @@
setupKeyboard();
setupNotes();
setupTimer();
setupHeartbeat();
}
}
@@ -521,6 +539,8 @@
upcomingSlide.setAttribute( 'src', upcomingURL );
document.querySelector( '#upcoming-slide' ).appendChild( upcomingSlide );
whitelistedWindows.push( currentSlide.contentWindow, upcomingSlide.contentWindow );
}
/**
@@ -533,6 +553,18 @@
}
/**
* We send out a heartbeat at all times to ensure we can
* reconnect with the main presentation window after reloads.
*/
function setupHeartbeat() {
setInterval( () => {
window.opener.postMessage( JSON.stringify({ namespace: 'reveal-notes', type: 'heartbeat'} ), '*' );
}, 1000 );
}
function getTimings( callback ) {
callRevealApi( 'getSlidesAttributes', [], function ( slideAttributes ) {