cosmetical tweaks to postmessage plugin
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<html>
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<body>
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<iframe id="reveal" src="../../index.html" style="border: 0;" width="500" height="500"></iframe>
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<div>
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<input id="back" type="button" value="go back"/>
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<input id="ahead" type="button" value="go ahead"/>
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<input id="slideto" type="button" value="slideto 2-2"/>
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</div>
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<script>
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(function (){
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var back = document.getElementById( 'back' ),
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ahead = document.getElementById( 'ahead' ),
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slideto = document.getElementById( 'slideto' ),
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reveal = window.frames[0];
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back.addEventListener( 'click', function () {
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reveal.postMessage( JSON.stringify({method: 'prev', args: []}), '*' );
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}, false );
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ahead.addEventListener( 'click', function (){
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reveal.postMessage( JSON.stringify({method: 'next', args: []}), '*' );
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}, false );
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slideto.addEventListener( 'click', function (){
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reveal.postMessage( JSON.stringify({method: 'slide', args: [2,2]}), '*' );
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}, false );
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}());
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</script>
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</body>
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</html>
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@ -1,34 +0,0 @@
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<html>
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<body>
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<iframe id="reveal" src="reveal.js/index.html" width="500" height="500"></iframe>
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<div>
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<input id="back" type="button" value="go back"/>
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<input id="ahead" type="button" value="go ahead"/>
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<input id="slideto" type="button" value="slideto 2-2"/>
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</div>
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<script>
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(function (){
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var back = document.getElementById('back'),
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ahead = document.getElementById('ahead'),
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slideto = document.getElementById('slideto'),
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reveal = window.frames[0];
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back.addEventListener('click', function (){
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reveal.postMessage(JSON.stringify({method: 'prev', args: []}), '*');
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},false);
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ahead.addEventListener('click', function (){
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reveal.postMessage(JSON.stringify({method: 'next', args: []}), '*');
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},false);
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slideto.addEventListener('click', function (){
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reveal.postMessage(JSON.stringify({method: 'slide', args: [2,2]}), '*');
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},false);
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}());
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</script>
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</body>
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</html>
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@ -1,39 +1,41 @@
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/*
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simple postmessage plugin
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Useful when a reveal slideshow is inside an iframe.
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It allows to call reveal methods from outside.
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simple postmessage plugin
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Example:
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var reveal = window.frames[0];
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Useful when a reveal slideshow is inside an iframe.
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It allows to call reveal methods from outside.
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// Reveal.prev();
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reveal.postMessage(JSON.stringify({method: 'prev', args: []}), '*');
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// Reveal.next();
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reveal.postMessage(JSON.stringify({method: 'next', args: []}), '*');
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// Reveal.slide(2, 2);
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reveal.postMessage(JSON.stringify({method: 'slide', args: [2,2]}), '*');
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Example:
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var reveal = window.frames[0];
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Add to the slideshow:
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// Reveal.prev();
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reveal.postMessage(JSON.stringify({method: 'prev', args: []}), '*');
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// Reveal.next();
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reveal.postMessage(JSON.stringify({method: 'next', args: []}), '*');
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// Reveal.slide(2, 2);
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reveal.postMessage(JSON.stringify({method: 'slide', args: [2,2]}), '*');
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dependencies: [
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...
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{ src: 'plugin/postmessage/postmessage.js', async: true, condition: function() { return !!document.body.classList; } }
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]
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Add to the slideshow:
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dependencies: [
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...
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{ src: 'plugin/postmessage/postmessage.js', async: true, condition: function() { return !!document.body.classList; } }
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]
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*/
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(function (){
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window.addEventListener("message", function (event){
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var data = JSON.parse(event.data),
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method = data.method,
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args = data.args;
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if (Reveal[method]){
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Reveal[method].apply(Reveal, data.args);
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}
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}, false);
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window.addEventListener( "message", function ( event ) {
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var data = JSON.parse( event.data ),
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method = data.method,
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args = data.args;
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if( typeof Reveal[method] === 'function' ) {
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Reveal[method].apply( Reveal, data.args );
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}
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}, false);
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}());
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