libjs-angularjs 1.2.28-1ubuntu2 / usr / share / javascript / angular.js / angular-touch.min.js

(function(window,angular,undefined){'use strict';var ngTouch=angular.module('ngTouch',[]);ngTouch.factory('$swipe',[function(){var MOVE_BUFFER_RADIUS=10;function getCoordinates(event){var touches=event.touches&&event.touches.length?event.touches:[event];var e=(event.changedTouches&&event.changedTouches[0])||(event.originalEvent&&event.originalEvent.changedTouches&&event.originalEvent.changedTouches[0])||touches[0].originalEvent||touches[0];return{x:e.clientX,y:e.clientY};}return{bind:function(element,eventHandlers){var totalX,totalY;var startCoords;var lastPos;var active=false;element.on('touchstart mousedown',function(event){startCoords=getCoordinates(event);active=true;totalX=0;totalY=0;lastPos=startCoords;eventHandlers.start&&eventHandlers.start(startCoords,event);});element.on('touchcancel',function(event){active=false;eventHandlers.cancel&&eventHandlers.cancel(event);});element.on('touchmove mousemove',function(event){if(!active)return;if(!startCoords)return;var coords=getCoordinates(event);totalX+=Math.abs(coords.x-lastPos.x);totalY+=Math.abs(coords.y-lastPos.y);lastPos=coords;if(totalX<MOVE_BUFFER_RADIUS&&totalY<MOVE_BUFFER_RADIUS)return;if(totalY>totalX){active=false;eventHandlers.cancel&&eventHandlers.cancel(event);return;}else{event.preventDefault();eventHandlers.move&&eventHandlers.move(coords,event);}});element.on('touchend mouseup',function(event){if(!active)return;active=false;eventHandlers.end&&eventHandlers.end(getCoordinates(event),event);});}};}]);ngTouch.config(['$provide',function($provide){$provide.decorator('ngClickDirective',['$delegate',function($delegate){$delegate.shift();return $delegate;}]);}]);ngTouch.directive('ngClick',['$parse','$timeout','$rootElement',function($parse,$timeout,$rootElement){var TAP_DURATION=750;var MOVE_TOLERANCE=12;var PREVENT_DURATION=2500;var CLICKBUSTER_THRESHOLD=25;var ACTIVE_CLASS_NAME='ng-click-active';var lastPreventedTime;var touchCoordinates;var lastLabelClickCoordinates;function hit(x1,y1,x2,y2){return Math.abs(x1-x2)<CLICKBUSTER_THRESHOLD&&Math.abs(y1-y2)<CLICKBUSTER_THRESHOLD;}function checkAllowableRegions(touchCoordinates,x,y){for(var i=0;i<touchCoordinates.length;i+=2)if(hit(touchCoordinates[i],touchCoordinates[i+1],x,y)){touchCoordinates.splice(i,i+2);return true;}return false;}function onClick(event){if(Date.now()-lastPreventedTime>PREVENT_DURATION)return;var touches=event.touches&&event.touches.length?event.touches:[event];var x=touches[0].clientX;var y=touches[0].clientY;if(x<1&&y<1)return;if(lastLabelClickCoordinates&&lastLabelClickCoordinates[0]===x&&lastLabelClickCoordinates[1]===y)return;if(lastLabelClickCoordinates)lastLabelClickCoordinates=null;if(event.target.tagName.toLowerCase()==='label')lastLabelClickCoordinates=[x,y];if(checkAllowableRegions(touchCoordinates,x,y))return;event.stopPropagation();event.preventDefault();event.target&&event.target.blur();}function onTouchStart(event){var touches=event.touches&&event.touches.length?event.touches:[event];var x=touches[0].clientX;var y=touches[0].clientY;touchCoordinates.push(x,y);$timeout(function(){for(var i=0;i<touchCoordinates.length;i+=2)if(touchCoordinates[i]==x&&touchCoordinates[i+1]==y){touchCoordinates.splice(i,i+2);return;}},PREVENT_DURATION,false);}function preventGhostClick(x,y){if(!touchCoordinates){$rootElement[0].addEventListener('click',onClick,true);$rootElement[0].addEventListener('touchstart',onTouchStart,true);touchCoordinates=[];}lastPreventedTime=Date.now();checkAllowableRegions(touchCoordinates,x,y);}return function(scope,element,attr){var clickHandler=$parse(attr.ngClick),tapping=false,tapElement,startTime,touchStartX,touchStartY;function resetState(){tapping=false;element.removeClass(ACTIVE_CLASS_NAME);}element.on('touchstart',function(event){tapping=true;tapElement=event.target?event.target:event.srcElement;if(tapElement.nodeType==3)tapElement=tapElement.parentNode;element.addClass(ACTIVE_CLASS_NAME);startTime=Date.now();var touches=event.touches&&event.touches.length?event.touches:[event];var e=touches[0].originalEvent||touches[0];touchStartX=e.clientX;touchStartY=e.clientY;});element.on('touchmove',function(event){resetState();});element.on('touchcancel',function(event){resetState();});element.on('touchend',function(event){var diff=Date.now()-startTime;var touches=(event.changedTouches&&event.changedTouches.length)?event.changedTouches:((event.touches&&event.touches.length)?event.touches:[event]);var e=touches[0].originalEvent||touches[0];var x=e.clientX;var y=e.clientY;var dist=Math.sqrt(Math.pow(x-touchStartX,2)+Math.pow(y-touchStartY,2));if(tapping&&diff<TAP_DURATION&&dist<MOVE_TOLERANCE){preventGhostClick(x,y);if(tapElement)tapElement.blur();if(!angular.isDefined(attr.disabled)||attr.disabled===false)element.triggerHandler('click',[event]);}resetState();});element.onclick=function(event){};element.on('click',function(event,touchend){scope.$apply(function(){clickHandler(scope,{$event:(touchend||event)});});});element.on('mousedown',function(event){element.addClass(ACTIVE_CLASS_NAME);});element.on('mousemove mouseup',function(event){element.removeClass(ACTIVE_CLASS_NAME);});};}]);function makeSwipeDirective(directiveName,direction,eventName){ngTouch.directive(directiveName,['$parse','$swipe',function($parse,$swipe){var MAX_VERTICAL_DISTANCE=75;var MAX_VERTICAL_RATIO=0.3;var MIN_HORIZONTAL_DISTANCE=30;return function(scope,element,attr){var swipeHandler=$parse(attr[directiveName]);var startCoords,valid;function validSwipe(coords){if(!startCoords)return false;var deltaY=Math.abs(coords.y-startCoords.y);var deltaX=(coords.x-startCoords.x)*direction;return valid&&deltaY<MAX_VERTICAL_DISTANCE&&deltaX>0&&deltaX>MIN_HORIZONTAL_DISTANCE&&deltaY/deltaX<MAX_VERTICAL_RATIO;}$swipe.bind(element,{'start':function(coords,event){startCoords=coords;valid=true;},'cancel':function(event){valid=false;},'end':function(coords,event){if(validSwipe(coords))scope.$apply(function(){element.triggerHandler(eventName);swipeHandler(scope,{$event:event});});}});};}]);}makeSwipeDirective('ngSwipeLeft',-1,'swipeleft');makeSwipeDirective('ngSwipeRight',1,'swiperight');})(window,window.angular);