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sources/apps/files_videoviewer/mediaelement/src/js/me-featuredetection.js
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03e52840d
Init
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// necessary detection (fixes for <IE9)
mejs.MediaFeatures = {
init: function() {
var
t = this,
d = document,
nav = mejs.PluginDetector.nav,
ua = mejs.PluginDetector.ua.toLowerCase(),
i,
v,
html5Elements = ['source','track','audio','video'];
// detect browsers (only the ones that have some kind of quirk we need to work around)
t.isiPad = (ua.match(/ipad/i) !== null);
t.isiPhone = (ua.match(/iphone/i) !== null);
t.isiOS = t.isiPhone || t.isiPad;
t.isAndroid = (ua.match(/android/i) !== null);
t.isBustedAndroid = (ua.match(/android 2\.[12]/) !== null);
t.isIE = (nav.appName.toLowerCase().indexOf("microsoft") != -1);
t.isChrome = (ua.match(/chrome/gi) !== null);
t.isFirefox = (ua.match(/firefox/gi) !== null);
t.isWebkit = (ua.match(/webkit/gi) !== null);
t.isGecko = (ua.match(/gecko/gi) !== null) && !t.isWebkit;
t.isOpera = (ua.match(/opera/gi) !== null);
t.hasTouch = ('ontouchstart' in window);
// borrowed from Modernizr
t.svg = !! document.createElementNS &&
!! document.createElementNS('http://www.w3.org/2000/svg','svg').createSVGRect;
// create HTML5 media elements for IE before 9, get a <video> element for fullscreen detection
for (i=0; i<html5Elements.length; i++) {
v = document.createElement(html5Elements[i]);
}
t.supportsMediaTag = (typeof v.canPlayType !== 'undefined' || t.isBustedAndroid);
// detect native JavaScript fullscreen (Safari/Firefox only, Chrome still fails)
// iOS
t.hasSemiNativeFullScreen = (typeof v.webkitEnterFullscreen !== 'undefined');
// Webkit/firefox
t.hasWebkitNativeFullScreen = (typeof v.webkitRequestFullScreen !== 'undefined');
t.hasMozNativeFullScreen = (typeof v.mozRequestFullScreen !== 'undefined');
t.hasTrueNativeFullScreen = (t.hasWebkitNativeFullScreen || t.hasMozNativeFullScreen);
t.nativeFullScreenEnabled = t.hasTrueNativeFullScreen;
if (t.hasMozNativeFullScreen) {
t.nativeFullScreenEnabled = v.mozFullScreenEnabled;
}
if (this.isChrome) {
t.hasSemiNativeFullScreen = false;
}
if (t.hasTrueNativeFullScreen) {
t.fullScreenEventName = (t.hasWebkitNativeFullScreen) ? 'webkitfullscreenchange' : 'mozfullscreenchange';
t.isFullScreen = function() {
if (v.mozRequestFullScreen) {
return d.mozFullScreen;
} else if (v.webkitRequestFullScreen) {
return d.webkitIsFullScreen;
}
}
t.requestFullScreen = function(el) {
if (t.hasWebkitNativeFullScreen) {
el.webkitRequestFullScreen();
} else if (t.hasMozNativeFullScreen) {
el.mozRequestFullScreen();
}
}
t.cancelFullScreen = function() {
if (t.hasWebkitNativeFullScreen) {
document.webkitCancelFullScreen();
} else if (t.hasMozNativeFullScreen) {
document.mozCancelFullScreen();
}
}
}
// OS X 10.5 can't do this even if it says it can :(
if (t.hasSemiNativeFullScreen && ua.match(/mac os x 10_5/i)) {
t.hasNativeFullScreen = false;
t.hasSemiNativeFullScreen = false;
}
}
};
mejs.MediaFeatures.init();
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