' +
linkError,
persistent: false,
buttons: buttons1,
focus: ':input:first',
defaultButton: 1,
submit: function (e, v, m, f) {
e.preventDefault();
if (v === 0)
$.prompt.close();
else
$.prompt.goToState('state0');
}
}
};
messageHandler.openDialogWithStates(openPreziState);
}
}
};
/**
* A new presentation has been added.
*
* @param event the event indicating the add of a presentation
* @param jid the jid from which the presentation was added
* @param presUrl url of the presentation
* @param currentSlide the current slide to which we should move
*/
function presentationAdded(event, jid, presUrl, currentSlide) {
console.log("presentation added", presUrl);
var presId = getPresentationId(presUrl);
var elementId = 'participant_'
+ Strophe.getResourceFromJid(jid)
+ '_' + presId;
// We explicitly don't specify the peer jid here, because we don't want
// this video to be dealt with as a peer related one (for example we
// don't want to show a mute/kick menu for this one, etc.).
VideoLayout.addRemoteVideoContainer(null, elementId);
VideoLayout.resizeThumbnails();
var controlsEnabled = false;
if (jid === APP.xmpp.myJid())
controlsEnabled = true;
setPresentationVisible(true);
$('#largeVideoContainer').hover(
function (event) {
if (Prezi.isPresentationVisible()) {
var reloadButtonRight = window.innerWidth
- $('#presentation>iframe').offset().left
- $('#presentation>iframe').width();
$('#reloadPresentation').css({ right: reloadButtonRight,
display:'inline-block'});
}
},
function (event) {
if (!Prezi.isPresentationVisible())
$('#reloadPresentation').css({display:'none'});
else {
var e = event.toElement || event.relatedTarget;
if (e && e.id != 'reloadPresentation' && e.id != 'header')
$('#reloadPresentation').css({display:'none'});
}
});
preziPlayer = new PreziPlayer(
'presentation',
{preziId: presId,
width: getPresentationWidth(),
height: getPresentationHeihgt(),
controls: controlsEnabled,
debug: true
});
$('#presentation>iframe').attr('id', preziPlayer.options.preziId);
preziPlayer.on(PreziPlayer.EVENT_STATUS, function(event) {
console.log("prezi status", event.value);
if (event.value == PreziPlayer.STATUS_CONTENT_READY) {
if (jid != APP.xmpp.myJid())
preziPlayer.flyToStep(currentSlide);
}
});
preziPlayer.on(PreziPlayer.EVENT_CURRENT_STEP, function(event) {
console.log("event value", event.value);
APP.xmpp.addToPresence("preziSlide", event.value);
});
$("#" + elementId).css( 'background-image',
'url(../images/avatarprezi.png)');
$("#" + elementId).click(
function () {
setPresentationVisible(true);
}
);
};
/**
* A presentation has been removed.
*
* @param event the event indicating the remove of a presentation
* @param jid the jid for which the presentation was removed
* @param the url of the presentation
*/
function presentationRemoved(event, jid, presUrl) {
console.log('presentation removed', presUrl);
var presId = getPresentationId(presUrl);
setPresentationVisible(false);
$('#participant_'
+ Strophe.getResourceFromJid(jid)
+ '_' + presId).remove();
$('#presentation>iframe').remove();
if (preziPlayer != null) {
preziPlayer.destroy();
preziPlayer = null;
}
};
/**
* Indicates if the given string is an alphanumeric string.
* Note that some special characters are also allowed (-, _ , /, &, ?, =, ;) for the
* purpose of checking URIs.
*/
function isAlphanumeric(unsafeText) {
var regex = /^[a-z0-9-_\/&\?=;]+$/i;
return regex.test(unsafeText);
}
/**
* Returns the presentation id from the given url.
*/
function getPresentationId (presUrl) {
var presIdTmp = presUrl.substring(presUrl.indexOf("prezi.com/") + 10);
return presIdTmp.substring(0, presIdTmp.indexOf('/'));
}
/**
* Returns the presentation width.
*/
function getPresentationWidth() {
var availableWidth = UIUtil.getAvailableVideoWidth();
var availableHeight = getPresentationHeihgt();
var aspectRatio = 16.0 / 9.0;
if (availableHeight < availableWidth / aspectRatio) {
availableWidth = Math.floor(availableHeight * aspectRatio);
}
return availableWidth;
}
/**
* Returns the presentation height.
*/
function getPresentationHeihgt() {
var remoteVideos = $('#remoteVideos');
return window.innerHeight - remoteVideos.outerHeight();
}
/**
* Resizes the presentation iframe.
*/
function resize() {
if ($('#presentation>iframe')) {
$('#presentation>iframe').width(getPresentationWidth());
$('#presentation>iframe').height(getPresentationHeihgt());
}
}
/**
* Shows/hides a presentation.
*/
function setPresentationVisible(visible) {
var prezi = $('#presentation>iframe');
if (visible) {
// Trigger the video.selected event to indicate a change in the
// large video.
$(document).trigger("video.selected", [true]);
$('#largeVideo').fadeOut(300);
prezi.fadeIn(300, function() {
prezi.css({opacity:'1'});
ToolbarToggler.dockToolbar(true);
VideoLayout.setLargeVideoVisible(false);
});
$('#activeSpeaker').css('visibility', 'hidden');
}
else {
if (prezi.css('opacity') == '1') {
prezi.fadeOut(300, function () {
prezi.css({opacity:'0'});
$('#reloadPresentation').css({display:'none'});
$('#largeVideo').fadeIn(300, function() {
VideoLayout.setLargeVideoVisible(true);
ToolbarToggler.dockToolbar(false);
});
});
}
}
}
/**
* Presentation has been removed.
*/
$(document).bind('presentationremoved.muc', presentationRemoved);
/**
* Presentation has been added.
*/
$(document).bind('presentationadded.muc', presentationAdded);
/*
* Indicates presentation slide change.
*/
$(document).bind('gotoslide.muc', function (event, jid, presUrl, current) {
if (preziPlayer && preziPlayer.getCurrentStep() != current) {
preziPlayer.flyToStep(current);
var animationStepsArray = preziPlayer.getAnimationCountOnSteps();
for (var i = 0; i < parseInt(animationStepsArray[current]); i++) {
preziPlayer.flyToStep(current, i);
}
}
});
/**
* On video selected event.
*/
$(document).bind('video.selected', function (event, isPresentation) {
if (!isPresentation && $('#presentation>iframe')) {
setPresentationVisible(false);
}
});
$(window).resize(function () {
resize();
});
module.exports = Prezi;