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tweak gesture js

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This commit is contained in:
r888888888
2017-09-25 19:46:30 -07:00
parent 8cb1e0e076
commit 3858622241
1 changed files with 5 additions and 21 deletions
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26
app/assets/javascripts/posts.js
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@@ -49,31 +49,15 @@
var hasPrev = $("a[rel~=prev]").length;
var hasNext = $("a[rel~=next]").length;
$("body").hammer().bind("pan", function(e) {
if (Math.abs(e.gesture.deltaY) > 50) {
$("body").css({"transition-timing-function": "ease", "transition-duration": "0.5s", "transform": "none"});
return;
}
if (e.gesture.deltaX > 0 && !hasPrev) {
return;
}
if (e.gesture.deltaX < 0 && !hasNext) {
return;
}
var percentage = 100 * e.gesture.deltaX / window.innerWidth;
if (Math.abs(percentage) > 10) {
$("body").css({"transition-duration": "0.1s", "transform": "translateX(" + percentage + "%)"});
}
});
$("body").hammer().bind("panend", function(e) {
var percentage = e.gesture.deltaX / window.innerWidth;
if (Math.abs(e.gesture.deltaY) > 50) {
$("body").css({"transition-timing-function": "ease", "transition-duration": "0.5s", "transform": "none"});
} else if (percentage > 0.3 && hasPrev) {
var swipe = Math.abs(e.gesture.velocityX) > 0.5;
if (Math.abs(e.gesture.deltaY) > 75) {
return;
} else if ((percentage > 0.3 || (percentage > 0.1 && swipe)) && hasPrev) {
$("body").css({"transition-timing-function": "ease", "transition-duration": "0.3s", "opacity": "0", "transform": "translateX(150%)"});
$.timeout(300).done(function() {Danbooru.Post.nav_prev(e)});
} else if (percentage < -0.3 && hasNext) {
} else if (percentage < -0.3 || (percentage < -0.1 && swipe) && hasNext) {
$("body").css({"transition-timing-function": "ease", "transition-duration": "0.3s", "opacity": "0", "transform": "translateX(-150%)"});
$.timeout(300).done(function() {Danbooru.Post.nav_next(e)});
} else {