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Code Issues Packages Projects Releases Wiki Activity

fixed bug in swipe gesture interacting with links.

edit
akiersky 2012-05-30 11:11:34 -03:00
parent 2e024b5b3e
commit 049880dba3
1 changed files with 20 additions and 25 deletions
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45
js/reveal.js
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@ -26,7 +26,7 @@ var Reveal = (function(){
rollingLinks: true, rollingLinks: true,
transition: 'default', transition: 'default',
theme: 'default', theme: 'default',
swipeDistance: 30 swipeDist: 30
}, },
// Slides may hold a data-state attribute which we pick up and apply // Slides may hold a data-state attribute which we pick up and apply
@ -241,22 +241,15 @@ var Reveal = (function(){
var touchStart = {} var touchStart = {}
var gesture = false; var gesture = false;
function onDocumentTouchStart( event ) { function onDocumentTouchStart( event ) {
// We're only interested in one point taps
if (event.touches.length === 1) { touchStart = {
// Never prevent taps on anchors and images x: event.touches[0].clientX,
if( event.target.tagName.toLowerCase() === 'a' || event.target.tagName.toLowerCase() === 'img' ) { y: event.touches[0].clientY
return; };
if( event.target.tagName.toLowerCase() === 'a' || event.target.tagName.toLowerCase() === 'img' ) {
} else {
event.preventDefault();
} }
event.preventDefault();
touchStart = {
x: event.touches[0].clientX,
y: event.touches[0].clientY
};
slide();
}
} }
function onDocumentTouchMove( event ) { function onDocumentTouchMove( event ) {
@ -268,27 +261,28 @@ var Reveal = (function(){
x: event.touches[0].clientX, x: event.touches[0].clientX,
y: event.touches[0].clientY y: event.touches[0].clientY
}; };
if((touch.x - touchStart.x) > config.swipeDistance){ if((touch.x - touchStart.x) > config.swipeDist){
gesture = true; gesture = true;
navigateLeft(); navigateLeft();
} else if((touch.x - touchStart.x) < -config.swipeDistance){ } else if((touch.x - touchStart.x) < -config.swipeDist){
gesture = true; gesture = true;
navigateRight(); navigateRight();
} else if((touch.y - touchStart.y) > config.swipeDistance){ } else if((touch.y - touchStart.y) > config.swipeDist){
gesture = true; gesture = true;
navigateUp(); navigateUp();
} else if((touch.y - touchStart.y) < -config.swipeDistance){ } else if((touch.y - touchStart.y) < -config.swipeDist){
gesture = true; gesture = true;
navigateDown(); navigateDown();
} }
} }
} }
function onDocumentTouchEnd( event ) { function onDocumentTouchEnd( event ) {
if(!gesture){
event.preventDefault(); // Never prevent taps on anchors and images
if( event.target.tagName.toLowerCase() === 'a' || event.target.tagName.toLowerCase() === 'img' ) {
if(!gesture){//only check for control tap if no gesture is performed return;
}
// Define the extent of the areas that may be tapped // Define the extent of the areas that may be tapped
// to navigate // to navigate
var wt = window.innerWidth * 0.3; var wt = window.innerWidth * 0.3;
@ -308,6 +302,7 @@ var Reveal = (function(){
} }
} }
gesture = false; gesture = false;
event.preventDefault();
} }
/** /**