touchable.js

/*
 * jQuery Touchable
 *
 * Simplified BSD License (@see License)
 * @author        Gregor Schwab
 * @copyright     (c) 2010 Gregor Schwab
 * Usage Command Line: $(elem).Touchable() (@see Readme.md)
 * @version 0.0.5
 * @requires jQuery
 */

(function($) {

   $.fn.Touchable = function(conf) {
		
		return this.each(function() {
			
			var t= $(this).data['Touchable']=new Touchable(this, conf);
			return t;
			
		});
		
	};
	
	$.fn.newHover = function(fn1, fn2, disableHover) {
		
		return this.each(function() {
			
			$(this).bind('newHoverIn', fn1).bind('newHoverOut', fn2);
			
		});
		
	};
	
	$.fn.newHover2 = function(fn1, fn2) {
		
		return this.each(function() {
			
			$(this).bind('newHoverIn2', fn1).bind('newHoverOut2', fn2);
			
		});
		
	};

    $.Touchable=Touchable;

   /**
    * @constructor
    */
    function Touchable(elem, conf){
	   
		function addEventListener(el, eventName, eventHandler, capture){
			
			capture = capture === true ? capture : false;
			
			if (el.addEventListener){
				
				el.addEventListener(eventName, eventHandler, capture); 
			
			} else if (el.attachEvent){
				
				el.attachEvent('on'+eventName, eventHandler);
			
			}
			
		}
	   
		function removeEventListener(el, eventName, eventHandler, capture){
			
			capture = capture === true ? capture : false;
			
			if (el.removeEventListener){
				
				el.removeEventListener(eventName,eventHandler, capture);
				
			}else if (el.detachEvent){
				
				el.detachEvent ('on'+eventName,eventHandler);
				
			}
			
		}

		//private logging function
		function log(a){
			
			if(self.logging){
				
				if(typeof console !== 'undefined'){
					
					console.log(a);
					
				}else{
					
					$('body').append('<br /> * ' + a);
					
				}
				
			}
		
		}
		
		function touchstart (e) {
			
			if(e.originalEvent && typeof e.originalEvent.touches !== 'undefined'){
					
				log('Touchable Touchstart touches length ' + e.originalEvent.touches.length);
				
				//only handle 1 or 2 touches
				if (e.originalEvent.touches.length !== 1 && e.originalEvent.touches.length !== 2) {
					
					return false;
					
				}
				
				if (self.isCurrentlyTouching) {
					
					return false;
				
				}
				
				self.isCurrentlyTouching = true;
				
				if (e.originalEvent.touches.length == 1) { //1 finger
					
					self.isOneFingerGesture = true;
					//init pos
					self.startTouch.x = self.previousTouch.x = e.originalEvent.touches[0].clientX;
					self.startTouch.y = self.previousTouch.y = e.originalEvent.touches[0].clientY;
					
				} else if (e.originalEvent.touches.length == 2) { //two fingers
					
					self.isOneFingerGesture = false;
					
					if (e.originalEvent.touches[0].clientY > e.originalEvent.touches[1].clientY) {//0 is lower
						
						self.startTouch.x = self.previousTouch.x = e.originalEvent.touches[0].clientX;
						self.startTouch.y = self.previousTouch.y = e.originalEvent.touches[0].clientY;
					
					} else {
						
						self.startTouch.x = self.previousTouch.x = self.touches[1].clientX;
						self.startTouch.y = self.previousTouch.y = self.touches[1].clientY;
					
					}
				
				}
				
			}else{
				
				log('Touchable Touchstart touches length ' + e.pageX + ' ' + e.pageY);
				self.startTouch.x = self.previousTouch.x = e.pageX;
				self.startTouch.y = self.previousTouch.y = e.pageY;
				$(document).bind('mousemove', touchmove);
				$(document).bind('mouseup', touchend);
				
			}
			
			//don't shallow links, but all the rest
			self.target=e.target;//some browser loose the info here
			self.currentTarget=e.currentTarget;//some browser loose the info here so save it for later
			var x=self.startTouch.x; var y=self.startTouch.y;
			self.hitTarget = ( document.elementFromPoint ) ? (document.elementFromPoint(x, y)):'';
			
			//setup double tapping
			if (!self.inDoubleTap) {
					
				self.inDoubleTap = true;
				//setup a timer
				self.doubleTapTimer = setTimeout(function() {
					
					self.inDoubleTap = false;
					
				}, 500);
				
			} else {//we are double tapping
				
				// call function to run if double-tap
				log('Touchable doubleTap');
				self.$elem.trigger('doubleTap', self); //trigger a doubleTap
				//reset doubleTap state
				clearTimeout(self.doubleTapTimer);
				self.inDoubleTap = false;
				
			}
			
			//setup long tapping and long mousedown
			//setup a timer
			self.longTapTimer = setTimeout(function() {
				
				log('Touchable longTap'/*, self.hitTarget, self.target, self.currentTarget, self.elem*/);
				$(self.elem).trigger('longTap', self); //trigger a longTap
				
			}, 1000);
			log('Touchable Tap');
			$(self.elem).trigger('tap', self); //trigger a tap
			$(self.elem).trigger('touchablestart', self); //trigger a tap
			
		}


		//called on iPad/iPhone when touches started and the finger is moved
		function touchmove(e) {
			
			if (e.originalEvent && typeof e.originalEvent.touches !== 'undefined'){
				
				log('Touchable Touchsmove touches length ' + e.originalEvent.touches.length);
				
				if (e.originalEvent.touches.length !== 1 && e.originalEvent.touches.length !== 2){ //use touches to track all fingers on the screen currently (also the ones not in the pane) if there are more than 2 its a gesture
					
					return false;
					
				}
				
				//1 finger
				if (e.originalEvent.touches.length == 1 || self.isOneFingerGesture) {//we ignore the second finger if we are already in movement
					
					self.currentTouch.x = e.originalEvent.touches[0].clientX;
					self.currentTouch.y = e.originalEvent.touches[0].clientY;
					
				} else if (e.originalEvent.touches.length == 2 && !self.isOneFingerGesture) {//two fingers move , take the upper finger as reference
					
					if (e.originalEvent.touches[0].clientY > e.originalEvent.touches[1].clientY) {//0 is lower
						
						self.currentTouch.x = e.originalEvent.touches[0].clientX;
						self.currentTouch.y = e.originalEvent.touches[0].clientY;
						
					} else {
						
						self.currentTouch.x = e.originalEvent.touches[1].clientX;
						self.currentTouch.y = e.originalEvent.touches[1].clientY;
						
					}
					
				}
				
			}else{
				
				e.preventDefault();
				self.currentTouch.x = e.pageX;
				self.currentTouch.y = e.pageY;
			
			}
			
			//if we are moving stop any css animations currently running
			$(self.elem).removeClass('webkitAnimate');
			self.currentDelta.x = (self.currentTouch.x - self.previousTouch.x);///s.currentScale;
			self.currentDelta.y = (self.currentTouch.y - self.previousTouch.y);///s.currentScale;
			self.currentStartDelta.x = (self.currentTouch.x - self.startTouch.x);///s.currentScale;
			self.currentStartDelta.y = (self.currentTouch.y - self.startTouch.y);///s.currentScale;
			//just for the records (accumulation)
			self.currentPosition.x = self.currentPosition.x + self.currentDelta.x;
			self.currentPosition.y = self.currentPosition.y + self.currentDelta.y;
			//reset the start position for the next delta
			self.previousTouch.x = self.currentTouch.x;
			self.previousTouch.y = self.currentTouch.y;
			log('Touchable Touchablemove self e.target' + e.target + 'e.currentTarget '+ e.currentTarget +' x:'+ self.currentStartDelta.x);
			//Target handling
			self.target=e.target;//some browser loose the info here
			self.currentTarget=e.currentTarget;//some browser loose the info here so save it for later
			var x=self.currentTouch.x; var y=self.currentTouch.y;
			self.hitTarget = ( document.elementFromPoint ) ? (document.elementFromPoint(x, y)):'';
			$(self.elem).trigger('touchablemove', self);
			
			//clear the long tap timer on mousemove
			if (self.longTapTimer){
				
				clearTimeout(self.longTapTimer);
				
			}
		
		}

		function touchend(e) {
			
			if (e.originalEvent && typeof e.originalEvent.touches !== 'undefined'){
				
				if (e.originalEvent.targetTouches.length > 0){
					
					return false;
					
				}
				
			}else{
				
				$(document).unbind('mousemove', touchmove);
				$(document).unbind('mouseup', touchend);
			
			}
			
			self.isCurrentlyTouching = false;
			
			//clear the long tap timer on mouseup
			if (self.longTapTimer){
				
				clearTimeout(self.longTapTimer);
			
			}
			
			log('Touchable Touchend self ' + self.currentStartDelta.x);
			$(self.elem).trigger('touchableend', self);
			log('Touchable: touchableend');
			log('Touchable: Hittarget click');
			
		}

		this.logging=false; //set to false to disabele logging gets overwritten by conf see below
		this.elem=elem;
		this.$elem=$(elem);
		this.is_doubleTap=false;
		this.is_currentlyTouching=false;
		this.isOneFingerGesture = false;
		this.startTouch={x:0,y:0};
		this.currentTouch={x:0,y:0};
		this.previousTouch={x:0,y:0};
		this.currentDelta={x:0,y:0};//measured from previous move event
		this.currentStartDelta={x:0,y:0}; //measured from start
		this.currentPosition={x:0,y:0};
		this.doubleTapTimer=null;
		this.longTapTimer=null;
		this.touchStartSupported=false;

		var self=this;

		if (typeof conf!=='undefined'){
			
			if(typeof conf.logging!=='undefined'){
				
				this.logging=conf.logging;
				
			}
			
			if(typeof conf.preventClick!=='undefined'){
				
				this.preventClick=conf.preventClick;
				
			}
			
		}
			
		this.$elem.bind('touchstart', function(e){
			self.touchStartSupported = true;
			touchstart(e);
		});
		this.$elem.bind('mousedown', function(e){
			if(!self.touchStartSupported){
				touchstart(e);
			}
			return false;
		});
		this.$elem.bind('touchmove', touchmove);
		this.$elem.bind('touchend', touchend);
		
		if (this.preventClick) {
			this.$elem.bind('click', function (e) {
				e.preventDefault();
			});
		}

    }
    
})(jQuery);//end closure
/*
 * jQuery Hoverable
 *
 * Simplified BSD License (@see License)
 * @author        Gregor Schwab
 * @copyright     (c) 2010 Gregor Schwab
 * Usage: $(elem).Touchable() (@see Readme.md)
 * @version 0.0.4
 * @requires jQuery Touchable
 */

(function($) {
  var Touchable=$.Touchable;
  $.fn.Hoverable = function(conf) {
      return this.each(function() {       
      var t= $(this).data['Hoverable']=new Hoverable(this, conf);
      return t;
    });
  }
  $.fn.newHover = function(fn1, fn2, disableHover) {
      return this.each(function() {
        $(this).bind('newHoverIn', fn1).bind('newHoverOut', fn2);
    });
  }  
  $.fn.newHover2 = function(fn1, fn2) {
      return this.each(function() {
        $(this).bind('newHoverIn2', fn1).bind('newHoverOut2', fn2);
    });
  }  
  /**
   * @constructor
   */  
  function Hoverable(elem, conf)
  {
    
    var self=this; 
    this.logging=false; //set to false to disabele logging default false gets overwritten by conf see below
    var log=function(a){if(self.logging && (typeof console !== 'undefined')){
       console.log(Array.prototype.slice.call(arguments));}
       }; //private logging function  

    this.elem=elem;    
    //test for touchable
    if(!$(elem).Touchable) throw new Error('Hoverable depends on Touchable! Please be sure to include Touchable in your project.')
    this.$elem=$(elem).Touchable(conf);

    this.inHover=false;
    this.target=null;

    
    if (typeof conf!=='undefined'){
      if(typeof conf.disableHover!=='undefined'){this.disableHover=conf.disableHover;}
      else{this.disableHover=false;}
      if(typeof conf.logging!=='undefined'){this.logging=conf.logging;}            
    }     
          
     
    //longTap is the new Hover ;)
    if (!this.disableHover){
      this.$elem.mouseenter(genericHover);
      this.$elem.bind('mouseleave', genericHover);      
    }

   
    this.$elem.bind('longTap', genericHover);  
    this.$elem.bind('touchableend', genericHover); 
          
    function genericHover(e, touch){
      if(e.type==='touchableend' ||e.type==='mouseleave'){
        log('Touchable newHoverOut');    
        //this.$elem.unbind('touchend', genericHover);//don't have to unbind mouseleave .unbind('mouseleave', genericHover);
        return self.$elem.trigger('newHoverOut', self);
      }
        log('Touchable newHoverIn');               
				self.$elem.trigger('newHoverIn', self); //trigger a genericHover see Readme      
    }    
    
    //mousemove is the new Hover ;)
    if (!this.disableHover){
      this.$elem.bind('mouseenter', genericHover2);
      this.$elem.bind('mouseleave', genericHover2);     
    }
    self.$elem.bind('touchablestart', function(e, touch){
      self.$elem.bind('touchablemove', genericHover2);                  
    }, false); 
    self.$elem.bind('touchableend', function(e, touch){
      self.$elem.unbind('touchablemove', genericHover2);
      genericHover2(e, touch);          
    }, false);      

 
    //this.$elem.bind('touchend', genericHover2);    
    function genericHover2(e, touch){
      if(e.type==='touchableend'||e.type==='touchend'){
        log('Touchable newHoverOut2');
        self.inHover=false;    
        return self.$elem.trigger('newHoverOut2', self);
      }else if(e.type==='mouseenter'){
          log('Touchable newHoverIn2');
          return self.$elem.trigger('newHoverIn2', self);
      }else if(e.type==='mouseleave'){
        log('Touchable newHoverOut2');          
        return self.$elem.trigger('newHoverOut2', self);        
      } 
      if (e.type == 'touchablemove'){
        if(touch instanceof Touchable){
          //var x=touch.currentTouch.x; var y=touch.currentTouch.y;  
          var hitTarget = self.hitTarget; //document.elementFromPoint(x, y);
 /*         if(typeof hitTarget==='undefined'||hitTarget===null&&self.target!==null) {var target=self.target;var currentTarget=self.target}//just if the browser looses memory
          else{var target=hittarget}//first the hittarget
          if(self.logging){console.log('target '+target+' x, y:'+x,+' ' +y);}           
        }else{
          var target = e.target;
        }*/
          log('Touchable target ID/node'+ ' hitTarget'+ ' ' +
           hitTarget+'e.target'+e.target + ' e.currentTarget'+e.currentTarget+
           ' self in hover'+self.inHover);           
          //lets see if we can macth our element...still playing with the right settings here cause browsers seem to have differenes in what they pass as an event.target
          var pass=false;
          //not good cause it goes on paragraphs but can be used to test for being outside the view element
          //if (typeof hitTarget !== 'undefined' && hitTarget === self.$elem.get(0) ){pass=true;}
          //if (typeof hitTarget !== 'undefined' && hitTarget !== self.$elem.get(0) ){pass=false;}
          //gives info to the inner element too
          //else if (typeof self.target !== 'undefined' && self.target === self.$elem.get(0)){pass=true;}//Chrome
           //relates to the this pointer the touchmove event was bound to (normally document)
          //else if (typeof self.currentTarget !== 'undefined' && self.currentTarget === self.$elem.get(0)){pass=true;}//iPad has it in currentTarget
          //e.target might work too
          //else if (typeof e.target !== 'undefined' && e.target === self.$elem.get(0)){pass=true;}    
          //the winner is: 
          if (typeof e.currentTarget !== 'undefined' && e.currentTarget === self.$elem.get(0)){pass=true;}                  
          if(pass&& !self.inHover){
            self.inHover=true;
            log('Touchable newHoverIn2');          
            self.$elem.trigger('newHoverIn2', self);
            //e.stopPropagation();//we are talking about touchablemove event here          
          }
          else if (pass===false && self.inHover){
            self.inHover=false;
            log('Touchable newHoverOut2');            
            self.$elem.trigger('newHoverOut2', self);      
            //e.stopPropagation(); //we are talking about touchablemove event here           
          }        
        }
      } 
    }   
  }
})(jQuery);//end closure