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more nasty iPad Safari and iPhone Safari hacks

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Sam 2015-03-25 12:17:19 +11:00
parent 4bad697a8f
commit 707f4f9a58
1 changed files with 24 additions and 2 deletions
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26
app/assets/javascripts/discourse/lib/safari-hacks.js.es6
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@ -20,24 +20,46 @@ function positioningWorkaround($fixedElement) {
var positioningHack = function(evt){
const self = this;
var done = false;
// allow for keyboard in iPad portrait
var iPadOffset = 0;
if (window.innerHeight > window.innerWidth && navigator.userAgent.match(/iPad/)) {
// there is no way to get virtual keyboard height
iPadOffset = 640 - $(fixedElement).height();
}
var positionElement = _.debounce(function(){
if (done) {
return;
}
fixedElement.style.top = window.scrollY + iPadOffset + 'px';
}, 350);
if (fixedElement.style.position !== 'absolute') {
evt.preventDefault();
fixedElement.style.position = 'absolute';
fixedElement.style.top = (window.scrollY + $('.d-header').height() + 10) + 'px';
// get out of the way while opening keyboard
fixedElement.style.top = '0px';
}
$(window).on('scroll', positionElement);
var blurred = function() {
if (_.include($(document.activeElement).parents(), fixedElement)) {
// something in focus so skip
return;
}
done = true;
fixedElement.style.position = '';
fixedElement.style.top = '';
self.removeEventListener('blur', blurred);
$(window).off('scroll', positionElement);
};
blurred = _.debounce(blurred, 300);
blurred = _.debounce(blurred, 250);
if (this !== document.activeElement) {
self.focus();