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Diffstat (limited to 'static/vendor/revealjs/reveal.js-master/plugin/notes/plugin.js')
-rw-r--r-- | static/vendor/revealjs/reveal.js-master/plugin/notes/plugin.js | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/static/vendor/revealjs/reveal.js-master/plugin/notes/plugin.js b/static/vendor/revealjs/reveal.js-master/plugin/notes/plugin.js deleted file mode 100644 index 4028293..0000000 --- a/static/vendor/revealjs/reveal.js-master/plugin/notes/plugin.js +++ /dev/null @@ -1,184 +0,0 @@ -import speakerViewHTML from './speaker-view.html'; - -import marked from 'marked'; - -/** - * Handles opening of and synchronization with the reveal.js - * notes window. - * - * Handshake process: - * 1. This window posts 'connect' to notes window - * - Includes URL of presentation to show - * 2. Notes window responds with 'connected' when it is available - * 3. This window proceeds to send the current presentation state - * to the notes window - */ -const Plugin = () => { - - let popup = null; - - let deck; - - function openNotes() { - - if (popup && !popup.closed) { - popup.focus(); - 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 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 ); - } - } ); - } - - /** - * 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( { - namespace: 'reveal-notes', - type: 'return', - result: result, - callId: 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'; - } - - // 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(); - - } - - connect(); - - } - - return { - id: 'notes', - - init: function( reveal ) { - - deck = reveal; - - if( !/receiver/i.test( window.location.search ) ) { - - // If the there's a 'notes' query set, open directly - if( window.location.search.match( /(\?|\&)notes/gi ) !== null ) { - openNotes(); - } - - // Open the notes when the 's' key is hit - deck.addKeyBinding({keyCode: 83, key: 'S', description: 'Speaker notes view'}, function() { - openNotes(); - } ); - - } - - }, - - open: openNotes - }; - -}; - -export default Plugin; |