libjs-angularjs 1.5.10-1 / usr / share / javascript / angular.js / angular-touch.min.js

(function(window,angular){"use strict";var ngTouch=angular.module("ngTouch",[]);ngTouch.provider("$touch",$TouchProvider);function nodeName_(element){return angular.lowercase(element.nodeName||element[0]&&element[0].nodeName)}$TouchProvider.$inject=["$provide","$compileProvider"];function $TouchProvider($provide,$compileProvider){var ngClickOverrideEnabled=false;var ngClickDirectiveAdded=false;this.ngClickOverrideEnabled=function(enabled){if(angular.isDefined(enabled)){if(enabled&&!ngClickDirectiveAdded){ngClickDirectiveAdded=true;ngTouchClickDirectiveFactory.$$moduleName="ngTouch";$compileProvider.directive("ngClick",ngTouchClickDirectiveFactory);$provide.decorator("ngClickDirective",["$delegate",function($delegate){if(ngClickOverrideEnabled){$delegate.shift()}else{var i=$delegate.length-1;while(i>=0){if($delegate[i].$$moduleName==="ngTouch"){$delegate.splice(i,1);break}i--}}return $delegate}])}ngClickOverrideEnabled=enabled;return this}return ngClickOverrideEnabled};this.$get=function(){return{ngClickOverrideEnabled:function(){return ngClickOverrideEnabled}}}}ngTouch.factory("$swipe",[function(){var MOVE_BUFFER_RADIUS=10;var POINTER_EVENTS={mouse:{start:"mousedown",move:"mousemove",end:"mouseup"},touch:{start:"touchstart",move:"touchmove",end:"touchend",cancel:"touchcancel"},pointer:{start:"pointerdown",move:"pointermove",end:"pointerup",cancel:"pointercancel"}};function getCoordinates(event){var originalEvent=event.originalEvent||event;var touches=originalEvent.touches&&originalEvent.touches.length?originalEvent.touches:[originalEvent];var e=originalEvent.changedTouches&&originalEvent.changedTouches[0]||touches[0];return{x:e.clientX,y:e.clientY}}function getEvents(pointerTypes,eventType){var res=[];angular.forEach(pointerTypes,function(pointerType){var eventName=POINTER_EVENTS[pointerType][eventType];if(eventName){res.push(eventName)}});return res.join(" ")}return{bind:function(element,eventHandlers,pointerTypes){var totalX,totalY;var startCoords;var lastPos;var active=false;pointerTypes=pointerTypes||["mouse","touch","pointer"];element.on(getEvents(pointerTypes,"start"),function(event){startCoords=getCoordinates(event);active=true;totalX=0;totalY=0;lastPos=startCoords;if(eventHandlers["start"]){eventHandlers["start"](startCoords,event)}});var events=getEvents(pointerTypes,"cancel");if(events){element.on(events,function(event){active=false;if(eventHandlers["cancel"]){eventHandlers["cancel"](event)}})}element.on(getEvents(pointerTypes,"move"),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;if(eventHandlers["cancel"]){eventHandlers["cancel"](event)}return}else{event.preventDefault();if(eventHandlers["move"]){eventHandlers["move"](coords,event)}}});element.on(getEvents(pointerTypes,"end"),function(event){if(!active)return;active=false;if(eventHandlers["end"]){eventHandlers["end"](getCoordinates(event),event)}})}}}]);var ngTouchClickDirectiveFactory=["$parse","$timeout","$rootElement",function($parse,$timeout,$rootElement){var TAP_DURATION=750;var MOVE_TOLERANCE=12;var PREVENT_DURATION=2500;var CLICKBUSTER_THRESHOLD=25;var ACTIVE_CLASS_NAME="ng-click-active";var lastPreventedTime;var touchCoordinates;var lastLabelClickCoordinates;function hit(x1,y1,x2,y2){return Math.abs(x1-x2)<CLICKBUSTER_THRESHOLD&&Math.abs(y1-y2)<CLICKBUSTER_THRESHOLD}function checkAllowableRegions(touchCoordinates,x,y){for(var i=0;i<touchCoordinates.length;i+=2){if(hit(touchCoordinates[i],touchCoordinates[i+1],x,y)){touchCoordinates.splice(i,i+2);return true}}return false}function onClick(event){if(Date.now()-lastPreventedTime>PREVENT_DURATION){return}var touches=event.touches&&event.touches.length?event.touches:[event];var x=touches[0].clientX;var y=touches[0].clientY;if(x<1&&y<1){return}if(lastLabelClickCoordinates&&lastLabelClickCoordinates[0]===x&&lastLabelClickCoordinates[1]===y){return}if(lastLabelClickCoordinates){lastLabelClickCoordinates=null}if(nodeName_(event.target)==="label"){lastLabelClickCoordinates=[x,y]}if(checkAllowableRegions(touchCoordinates,x,y)){return}event.stopPropagation();event.preventDefault();if(event.target&&event.target.blur){event.target.blur()}}function onTouchStart(event){var touches=event.touches&&event.touches.length?event.touches:[event];var x=touches[0].clientX;var y=touches[0].clientY;touchCoordinates.push(x,y);$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=$parse(attr.ngClick),tapping=false,tapElement,startTime,touchStartX,touchStartY;function resetState(){tapping=false;element.removeClass(ACTIVE_CLASS_NAME)}element.on("touchstart",function(event){tapping=true;tapElement=event.target?event.target:event.srcElement;if(tapElement.nodeType===3){tapElement=tapElement.parentNode}element.addClass(ACTIVE_CLASS_NAME);startTime=Date.now();var originalEvent=event.originalEvent||event;var touches=originalEvent.touches&&originalEvent.touches.length?originalEvent.touches:[originalEvent];var e=touches[0];touchStartX=e.clientX;touchStartY=e.clientY});element.on("touchcancel",function(event){resetState()});element.on("touchend",function(event){var diff=Date.now()-startTime;var originalEvent=event.originalEvent||event;var touches=originalEvent.changedTouches&&originalEvent.changedTouches.length?originalEvent.changedTouches:originalEvent.touches&&originalEvent.touches.length?originalEvent.touches:[originalEvent];var e=touches[0];var x=e.clientX;var y=e.clientY;var dist=Math.sqrt(Math.pow(x-touchStartX,2)+Math.pow(y-touchStartY,2));if(tapping&&diff<TAP_DURATION&&dist<MOVE_TOLERANCE){preventGhostClick(x,y);if(tapElement){tapElement.blur()}if(!angular.isDefined(attr.disabled)||attr.disabled===false){element.triggerHandler("click",[event])}}resetState()});element.onclick=function(event){};element.on("click",function(event,touchend){scope.$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,$swipe){var MAX_VERTICAL_DISTANCE=75;var MAX_VERTICAL_RATIO=.3;var MIN_HORIZONTAL_DISTANCE=30;return function(scope,element,attr){var swipeHandler=$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}var pointerTypes=["touch"];if(!angular.isDefined(attr["ngSwipeDisableMouse"])){pointerTypes.push("mouse")}$swipe.bind(element,{start:function(coords,event){startCoords=coords;valid=true},cancel:function(event){valid=false},end:function(coords,event){if(validSwipe(coords)){scope.$apply(function(){element.triggerHandler(eventName);swipeHandler(scope,{$event:event})})}}},pointerTypes)}}])}makeSwipeDirective("ngSwipeLeft",-1,"swipeleft");makeSwipeDirective("ngSwipeRight",1,"swiperight")})(window,window.angular);