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Prevent vertical scrolling on swipe

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Dave Z 2018-07-17 21:48:56 -04:00 • committed by Frédéric Guillot
parent 3b018bc6bf
commit 3f31744911
2 changed files with 6 additions and 4 deletions
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6
ui/static/js.go
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@ -21,12 +21,12 @@ return DomHelper.findParent(element,"touch-item");}
onTouchStart(event){if(event.touches===undefined||event.touches.length!==1){return;}
this.reset();this.touch.start.x=event.touches[0].clientX;this.touch.start.y=event.touches[0].clientY;this.touch.element=this.findElement(event.touches[0].target);}
onTouchMove(event){if(event.touches===undefined||event.touches.length!==1||this.element===null){return;}
this.touch.move.x=event.touches[0].clientX;this.touch.move.y=event.touches[0].clientY;let distance=this.calculateDistance();let absDistance=Math.abs(distance);if(absDistance>0){let opacity=1-(absDistance>75?0.9:absDistance/75*0.9);let tx=distance>75?75:(distance<-75?-75:distance);this.touch.element.style.opacity=opacity;this.touch.element.style.transform="translateX("+tx+"px)";}}
this.touch.move.x=event.touches[0].clientX;this.touch.move.y=event.touches[0].clientY;let distance=this.calculateDistance();let absDistance=Math.abs(distance);if(absDistance>0){let opacity=1-(absDistance>75?0.9:absDistance/75*0.9);let tx=distance>75?75:(distance<-75?-75:distance);this.touch.element.style.opacity=opacity;this.touch.element.style.transform="translateX("+tx+"px)";event.preventDefault();}}
onTouchEnd(event){if(event.touches===undefined){return;}
if(this.touch.element!==null){let distance=Math.abs(this.calculateDistance());if(distance>75){EntryHandler.toggleEntryStatus(this.touch.element);}
this.touch.element.style.opacity=1;this.touch.element.style.transform="none";}
this.reset();}
listen(){let elements=document.querySelectorAll(".touch-item");let hasPassiveOption=DomHelper.hasPassiveEventListenerOption();elements.forEach((element)=>{element.addEventListener("touchstart",(e)=>this.onTouchStart(e),hasPassiveOption?{passive:true}:false);element.addEventListener("touchmove",(e)=>this.onTouchMove(e),hasPassiveOption?{passive:true}:false);element.addEventListener("touchend",(e)=>this.onTouchEnd(e),hasPassiveOption?{passive:true}:false);element.addEventListener("touchcancel",()=>this.reset(),hasPassiveOption?{passive:true}:false);});}}
listen(){let elements=document.querySelectorAll(".touch-item");let hasPassiveOption=DomHelper.hasPassiveEventListenerOption();elements.forEach((element)=>{element.addEventListener("touchstart",(e)=>this.onTouchStart(e),hasPassiveOption?{passive:true}:false);element.addEventListener("touchmove",(e)=>this.onTouchMove(e),hasPassiveOption?{passive:false}:false);element.addEventListener("touchend",(e)=>this.onTouchEnd(e),hasPassiveOption?{passive:true}:false);element.addEventListener("touchcancel",()=>this.reset(),hasPassiveOption?{passive:true}:false);});}}
class KeyboardHandler{constructor(){this.queue=[];this.shortcuts={};}
on(combination,callback){this.shortcuts[combination]=callback;}
listen(){document.onkeydown=(event)=>{if(this.isEventIgnored(event)){return;}
@ -97,6 +97,6 @@ if("serviceWorker"in navigator){let scriptElement=document.getElementById("servi
}
var JavascriptsChecksums = map[string]string{
"app": "cf86a525349b18a448c8599978c9f54cb41092128c5c573b40cbb22a588ac24e",
"app": "438cad66af283a59cee674615c851ca105d22be5c92224351574b82716cf5cee",
"sw": "55fffa223919cc18572788fb9c62fccf92166c0eb5d3a1d6f91c31f24d020be9",
}