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fix(click): Increase the ghost click prevent delay for grade C devices

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Adam Bradley
2014-03-21 14:14:09 -05:00
parent c355114365
commit 001bcca4fa
1 changed files with 19 additions and 11 deletions
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30
js/utils/tap.js
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@@ -205,21 +205,29 @@
var tapCoordinates = {}; // used to remember coordinates to ignore if they happen again quickly
var startCoordinates = {}; // used to remember where the coordinates of the start of the tap
var CLICK_PREVENT_DURATION = 1500; // max milliseconds ghostclicks in the same area should be prevented
var REMOVE_PREVENT_DELAY = 375; // delay after a touchend/mouseup before removing the ghostclick prevent
var REMOVE_PREVENT_DELAY = 380; // delay after a touchend/mouseup before removing the ghostclick prevent
var HIT_RADIUS = 15;
// set global click handler and check if the event should stop or not
document.addEventListener('click', preventGhostClick, true);
ionic.Platform.ready(function(){
// global tap event listener polyfill for HTML elements that were "tapped" by the user
ionic.on("tap", tapPolyfill, document);
if(ionic.Platform.grade === 'c') {
// low performing phones should have a longer ghostclick prevent
REMOVE_PREVENT_DELAY = 800;
}
// listeners used to remove ghostclick prevention
document.addEventListener('touchend', removeClickPrevent, false);
document.addEventListener('mouseup', removeClickPrevent, false);
// set global click handler and check if the event should stop or not
document.addEventListener('click', preventGhostClick, true);
// in the case the user touched the screen, then scrolled, it shouldn't fire the click
document.addEventListener('touchstart', recordStartCoordinates, false);
document.addEventListener('mousedown', recordStartCoordinates, false);
// global tap event listener polyfill for HTML elements that were "tapped" by the user
ionic.on("tap", tapPolyfill, document);
// listeners used to remove ghostclick prevention
document.addEventListener('touchend', removeClickPrevent, false);
document.addEventListener('mouseup', removeClickPrevent, false);
// in the case the user touched the screen, then scrolled, it shouldn't fire the click
document.addEventListener('touchstart', recordStartCoordinates, false);
document.addEventListener('mousedown', recordStartCoordinates, false);
});
})(this, document, ionic);