openmedialibrary/static/pdf.js/embeds.js
2014-05-12 04:09:31 +02:00

155 lines
6.6 KiB
JavaScript

Ox.load(function() {
var currentPage = PDFView.page;
window.addEventListener('pagechange', function (evt) {
var page = evt.pageNumber;
if (page && page != currentPage) {
currentPage = page;
Ox.$parent.postMessage('page', {
page: Math.round(page)
});
}
});
Ox.$parent.onMessage(function(event, data, oxid) {
if (event == 'page' && Ox.isUndefined(oxid)) {
if (data.page != PDFView.page) {
PDFView.page = data.page;
}
}
if (event == 'pdf' && Ox.isUndefined(oxid)) {
if (PDFView.url != data.pdf) {
PDFView.open(data.pdf);
}
}
});
Ox.$parent.postMessage('init', {});
});
function getVideoOverlay(page) {
var links = (window.embeds || []).filter(function(embed) {
return embed.page == page && embed.type =='inline';
});
return (window.editable || links.length) ? {
beginLayout: function() {
this.counter = 0;
},
endLayout: function() {
},
appendImage: function(image) {
var id = ++this.counter,
video = links.filter(function(embed) {
return embed.id == id;
})[0],
$interface, $playButton, $editButton;
if (editable || video) {
$interface = Ox.$('<div>')
.addClass('interface')
.css({
left: image.left + 'px',
top: image.top + 'px',
width: image.width + 'px',
height: image.height + 'px'
});
$playButton = Ox.$('<img>')
.addClass('button playButton')
.attr({
src: 'data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNTYiIGhlaWdodD0iMjU2Ij48cG9seWdvbiBwb2ludHM9IjU2LDMyIDI0OCwxMjggNTYsMjI0IiBmaWxsPSIjRkZGRkZGIi8+PC9zdmc+PCEtLXsiY29sb3IiOiJ2aWRlbyIsIm5hbWUiOiJzeW1ib2xQbGF5IiwidGhlbWUiOiJveGRhcmsifS0tPg=='
})
.hide()
.appendTo($interface);
$editButton = Ox.$('<img>')
.addClass('button editButton')
.attr({
src: 'data:image/svg+xml;base64,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',
title: 'Click to add video'
})
.on({click: edit})
.hide()
.appendTo($interface);
if (editable) {
$editButton.show();
}
if (video) {
enableVideoUI();
}
this.div.appendChild($interface[0]);
Ox.Message.bind(function(event, data, oxid) {
if (event == 'update') {
if(Ox.isUndefined(oxid)
&& video
&& data.id == video.id
&& data.page == video.page) {
video.src = data.src;
video.src !== '' ? enableVideoUI() : disableVideoUI();
}
}
});
}
function play(e) {
e.preventDefault();
e.stopPropagation();
var videoId = 'video' + page + id + Ox.uid(),
$iframe = Ox.$('<iframe>')
.attr({
id: videoId,
src: video.src
+ (video.src.indexOf('?') == -1 ? '?' : '&')
+ '&showCloseButton=true&fullscreen=false&paused=false',
width: '100%',
height: '100%',
frameborder: 0
})
.appendTo($interface),
closed = false;
$iframe.postMessage = function(event, data) {
Ox.Message.post($iframe, event, data);
return $iframe;
};
Ox.Message.bind(function(event, data, oxid) {
if(!closed && event == 'loaded') {
$iframe.postMessage('init', {id: videoId});
} else if(event == 'close') {
if(!closed && !Ox.isUndefined(oxid) && videoId == oxid) {
closed = true;
$iframe.remove();
delete $iframe;
$playButton.show();
$editButton.show();
}
}
});
$playButton.hide();
$editButton.hide();
return false;
}
function edit(e) {
var url;
e.preventDefault();
e.stopPropagation();
video = video || {
id: id,
page: page,
src: '',
type: 'inline'
};
Ox.$parent.postMessage('edit', video);
return false;
}
function enableVideoUI() {
$interface
.addClass('video')
.attr({title: 'Click to play video'})
.on({click: play});
$playButton.show();
$editButton.attr({title: 'Click to edit or remove video'});
}
function disableVideoUI() {
$interface
.removeClass('video')
.attr({title: ''})
.off({click: play});
$playButton.hide();
$editButton.attr({title: 'Click to add video'});
}
}
} : null;
}