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tweak js

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This commit is contained in:
r888888888
2017-09-25 19:09:30 -07:00
parent 3debaeb80b
commit ac2afbaf3f
1 changed files with 20 additions and 11 deletions
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31
app/assets/javascripts/posts.js
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@@ -46,27 +46,36 @@
if (!mq.matches) {
return;
}
var hasPrev = $("a[rel~=prev]").length;
var hasNext = $("a[rel~=next]").length;
$("body").hammer().bind("pan", function(e) {
if (Math.abs(e.gesture.deltaY) > 100) {
$("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 (percentage < -20 || e.gesture.velocityX <= -0.6) {
$("body").css({"transition-timing-function": "linear", "transition-duration": "0.1s", "transform": "translateX(" + percentage + "%)"});
} else if (percentage > 20 || e.gesture.velocityX >= 0.6) {
$("body").css({"transition-timing-function": "linear", "transition-duration": "0.1s", "transform": "translateX(" + percentage + "%)"});
if (Math.abs(percentage) > 10) {
$("body").css({"transition-duration": "0.1s", "transform": "translateX(" + percentage + "%)"});
}
});
var hasNext = $(".paginator a[rel~=next]").length > 0;
var hasPrev = $("#a-show").length || $(".paginator a[rel~=prev]").length > 0;
$("body").hammer().bind("panend", function(e) {
var percentage = e.gesture.deltaX / window.innerWidth;
if (hasPrev && percentage > 0.3) {
if (Math.abs(e.gesture.deltaY) > 100) {
$("body").css({"transition-timing-function": "ease", "transition-duration": "0.5s", "transform": "none"});
} else if (percentage > 0.3 && hasPrev) {
$("body").css({"transition-timing-function": "ease", "transition-duration": "0.3s", "opacity": "0", "transform": "translateX(150%)"});
$.timeout(250).done(function() {Danbooru.Post.nav_prev(e)});
} else if (hasNext && percentage < -0.3) {
$.timeout(300).done(function() {Danbooru.Post.nav_prev(e)});
} else if (percentage < -0.3 && hasNext) {
$("body").css({"transition-timing-function": "ease", "transition-duration": "0.3s", "opacity": "0", "transform": "translateX(-150%)"});
$.timeout(250).done(function() {Danbooru.Post.nav_next(e)});
$.timeout(300).done(function() {Danbooru.Post.nav_next(e)});
} else {
$("body").css({"transition-timing-function": "ease", "transition-duration": "0.5s", "transform": "none"});
}