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click block updates

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This commit is contained in:
Adam Bradley
2015-05-06 10:35:40 -05:00
parent 604a11cd7a
commit e36d48fdfc
3 changed files with 31 additions and 15 deletions
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43
ionic/util/click-block.js
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@ -1,5 +1,8 @@
import {raf} from './dom'
const CSS_CLICK_BLOCK = 'click-block-active';
const DEFAULT_EXPIRE = 330;
let cbEle, fallbackTimerId, pendingShow;
function preventClick(ev) {
@ -8,26 +11,40 @@ function preventClick(ev) {
}
function show(expire) {
pendingShow = true;
clearTimeout(fallbackTimerId);
fallbackTimerId = setTimeout(hide, expire || 320);
if (cbEle) {
cbEle.classList.add(CSS_CLICK_BLOCK);
} else {
cbEle = document.createElement('div');
cbEle.className = 'click-block ' + CSS_CLICK_BLOCK;
document.body.appendChild(cbEle);
cbEle.addEventListener('touchstart', preventClick);
cbEle.addEventListener('mousedown', preventClick);
}
fallbackTimerId = setTimeout(hide, expire || DEFAULT_EXPIRE);
raf(addBlock);
}
function hide() {
pendingShow = false;
clearTimeout(fallbackTimerId);
cbEle && cbEle.classList.remove(CSS_CLICK_BLOCK);
raf(removeBlock);
}
function addBlock() {
if (pendingShow) {
if (cbEle) {
cbEle.classList.add(CSS_CLICK_BLOCK);
} else {
cbEle = document.createElement('div');
cbEle.className = 'click-block ' + CSS_CLICK_BLOCK;
document.body.appendChild(cbEle);
cbEle.addEventListener('touchstart', preventClick);
cbEle.addEventListener('mousedown', preventClick);
}
pendingShow = false;
}
}
function removeBlock() {
if (!pendingShow) {
cbEle && cbEle.classList.remove(CSS_CLICK_BLOCK);
}
}
export let ClickBlock = function(shouldShow, expire) {