55 lines
1.3 KiB
JavaScript
55 lines
1.3 KiB
JavaScript
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//>>built
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define("dojox/gesture/tap",["dojo/_base/kernel","dojo/_base/declare","dojo/_base/lang","./Base","../main"],function(_1,_2,_3,_4,_5){
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_1.experimental("dojox.gesture.tap");
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var _6=_2(_4,{defaultEvent:"tap",subEvents:["hold","doubletap"],holdThreshold:500,doubleTapTimeout:250,tapRadius:10,press:function(_7,e){
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if(e.touches&&e.touches.length>=2){
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delete _7.context;
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return;
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}
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var _8=e.target;
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this._initTap(_7,e);
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_7.tapTimeOut=setTimeout(_3.hitch(this,function(){
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if(this._isTap(_7,e)){
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this.fire(_8,{type:"tap.hold"});
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}
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delete _7.context;
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}),this.holdThreshold);
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},release:function(_9,e){
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if(!_9.context){
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clearTimeout(_9.tapTimeOut);
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return;
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}
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if(this._isTap(_9,e)){
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switch(_9.context.c){
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case 1:
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this.fire(e.target,{type:"tap"});
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break;
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case 2:
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this.fire(e.target,{type:"tap.doubletap"});
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break;
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}
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}
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clearTimeout(_9.tapTimeOut);
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},_initTap:function(_a,e){
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if(!_a.context){
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_a.context={x:0,y:0,t:0,c:0};
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}
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var ct=new Date().getTime();
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if(ct-_a.context.t<=this.doubleTapTimeout){
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_a.context.c++;
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}else{
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_a.context.c=1;
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_a.context.x=e.screenX;
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_a.context.y=e.screenY;
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}
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_a.context.t=ct;
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},_isTap:function(_b,e){
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var dx=Math.abs(_b.context.x-e.screenX);
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var dy=Math.abs(_b.context.y-e.screenY);
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return dx<=this.tapRadius&&dy<=this.tapRadius;
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}});
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_5.gesture.tap=new _6();
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_5.gesture.tap.Tap=_6;
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return _5.gesture.tap;
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});
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