Merge pull request #150 from deleolajide/ofmeet-version-0.0.7

ofmeet plugin - Implemented PDF presentation pointer/cursor sharing

src/plugins/ofmeet/changelog.html

@@ -49,6 +49,12 @@
     Openfire Meetings Plugin Changelog
 </h1>
 
+<p><b>0.0.7</b> -- Jan 5th, 2015</p>
+
+<ul>
+    <li>Implemented PDF cursor sharing</li>
+</ul>
+
 <p><b>0.0.6</b> -- Dec 29th, 2014</p>
 
 <ul>

src/plugins/ofmeet/plugin.xml

@@ -5,8 +5,8 @@
     <name>Openfire Meetings</name>
     <description>Provides high quality, scalable video conferences using Jitsi Meet and Jitsi Videobridge</description>
     <author>Ignite Realtime</author>
-    <version>0.0.6</version>
-    <date>12/29/2014</date>
+    <version>0.0.7</version>
+    <date>01/05/2014</date>
     <minServerVersion>3.9.9</minServerVersion>
     
     <adminconsole>

src/plugins/ofmeet/src/ofmuc.js

@@ -5,7 +5,7 @@ $(document).ready(function ()
 		
 	for (var i=0; i<config.conferences.length; i++)
 	{	
-		conferenceList = conferenceList + '<option value="' + Strophe.getNodeFromJid(config.conferences[i].jid) + '"/>'	
+		conferenceList = conferenceList + '<option value="' + Strophe.getNodeFromJid(config.conferences[i].jid) + '">' + config.conferences[i].name + '</option>'	
 	}
 	
 	conferenceList = conferenceList + '</datalist>'
@@ -184,9 +184,14 @@ Strophe.addConnectionPlugin('ofmuc', {
 	{
 		var action = $(this).attr('action');
 		var url = $(this).attr('url');		
+		that.roomJid = Strophe.getBareJidFromJid(from);
 		
-		that.roomJid = Strophe.getBareJidFromJid(from)
-		that.handlePdfShare(action, url);	
+		if (Strophe.getResourceFromJid(from) != Strophe.getResourceFromJid(that.connection.jid))
+		{
+			var farparty = SettingsMenu.getDisplayName();				
+			if (!farparty) farparty = Strophe.getResourceFromJid(from);				
+			that.handlePdfShare(action, url, farparty);	
+		}
 	});	
 	
 	$(msg).find('avatarshare').each(function() 
@@ -282,9 +287,9 @@ Strophe.addConnectionPlugin('ofmuc', {
 	//console.log("handleAppShare", url, action);
     },
     
-    handlePdfShare: function (action, url)
+    handlePdfShare: function (action, url, from)
     {
-	//console.log("handlePdfShare", url, action);
+	//console.log("local handlePdfShare", url, action, from);
 	
 	if (this.sharePDF == null)
 	{
@@ -298,6 +303,12 @@ Strophe.addConnectionPlugin('ofmuc', {
 			if (action == "goto") this.appFrame.contentWindow.location.href = "/ofmeet/pdf/index.html?pdf=" + url;
 		}
 	}
+	
+	if (this.appFrame && this.appFrame.contentWindow.handlePdfShare && action == "message")
+	{
+		this.appFrame.contentWindow.handlePdfShare(url, from);
+	}
+	
     },
 
     pdfReady: function() {
@@ -370,6 +381,16 @@ Strophe.addConnectionPlugin('ofmuc', {
 	}
     },
     
+    pfdMessage: function(msg) {
+
+	//console.log("pfdMessage", msg);
+	
+	if (this.appFrame)
+	{
+		this.pdfShare("message", JSON.stringify(msg));
+	}        
+    },
+    
     openPDFDialog: function() {
 	//console.log("openPDFDialog");    	
     	    var that = this;
@@ -427,7 +448,7 @@ Strophe.addConnectionPlugin('ofmuc', {
 	    	
 	    	for (var i=0; i<that.urls.length; i++)
 	    	{
-	    		urlsList = urlsList + '<option value="' + that.urls[i].url + '"/>'
+	    		urlsList = urlsList + '<option value="' + that.urls[i].url + '">' + that.urls[i].name + '</option>'
 	    	}
 	    	urlsList = urlsList + '</datalist>'
 	    	

src/plugins/ofmeet/src/pdf/cursor.css

+
+.togetherjs * {
+  -webkit-box-sizing: content-box !important;
+  -moz-box-sizing: content-box !important;
+  box-sizing: content-box !important;
+}
+
+.togetherjs-cursor svg {
+  -webkit-filter: drop-shadow(1px 3px 2px rgba(0, 0, 0, 0.3));
+  -webkit-transform: rotate(-10deg);
+}
+.togetherjs-cursor-img {
+  position: relative;
+  top: 0;
+}
+.togetherjs-cursor img {
+  width: 20px;
+  -webkit-filter: drop-shadow(0px 2px 1px rgba(0, 0, 0, 0.2));
+  /*FIX ME, moz filter not working...*/
+
+  -moz-filter: drop-shadow(0px 2px 1px rgba(0, 0, 0, 0.2));
+  filter: drop-shadow(0px 2px 1px rgba(0, 0, 0, 0.2));
+}
+.togetherjs-cursor {
+  position: absolute;
+  z-index: 9999;
+  font-size: 28px;
+  font-weight: bolder;
+  /* This magic CSS rule makes this element basically invisible to clicks/etc:
+  (good on all but IE: http://caniuse.com/pointer-events */
+
+  pointer-events: none;
+  /*FIXME: maybe these should use position: fixed so the cursor
+  stays stuck to the top of the screen until the appropriate time
+  (when .togetherjs-scrolled-above/below is removed)?*/
+
+}
+.togetherjs-cursor:hover {
+  cursor: pointer;
+}
+.togetherjs-cursor.togetherjs-scrolled-above {
+  position: fixed;
+}
+.togetherjs-cursor.togetherjs-scrolled-above svg {
+  -webkit-transition-duration: 0.8s;
+  -webkit-transition-property: -webkit-transform;
+  -webkit-transform: rotate(20deg);
+  transition-duration: 0.8s;
+  transition-property: transform;
+  transform: rotate(20deg);
+}
+.togetherjs-cursor.togetherjs-scrolled-above .togetherjs-cursor-down {
+  display: none;
+}
+.togetherjs-cursor.togetherjs-scrolled-below {
+  position: fixed;
+}
+.togetherjs-cursor.togetherjs-scrolled-below svg {
+  -webkit-transition-duration: 0.8s;
+  -webkit-transition-property: -webkit-transform;
+  -webkit-transform: rotate(-150deg);
+  transition-duration: 0.8s;
+  transition-property: transform;
+  transform: rotate(-150deg);
+}
+.togetherjs-cursor.togetherjs-scrolled-below .togetherjs-cursor-up {
+  display: none;
+}
+.togetherjs-cursor.togetherjs-scrolled-normal svg {
+  -webkit-transition-duration: 0.8s;
+  -webkit-transition-property: -webkit-transform;
+  -webkit-transform: rotate(-10deg);
+  transition-duration: 0.8s;
+  transition-property: transform;
+  transform: rotate(-10deg);
+}
+.togetherjs-cursor.togetherjs-scrolled-normal .togetherjs-cursor-up,
+.togetherjs-cursor.togetherjs-scrolled-normal .togetherjs-cursor-down {
+  display: none;
+}
+.togetherjs-cursor .togetherjs-cursor-container {
+  opacity: 0.9;
+  white-space: nowrap;
+  font-family: openSansLight, Helvetica, 'Helvetica Neue', Arial, sans-serif;
+  font-size: 40%;
+  position: relative;
+  top: 5px;
+  left: 15px;
+  padding: 8px;
+  border-radius: 4px;
+  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
+  border: 1px solid rgba(0, 0, 0, 0.2);
+  -moz-box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.5);
+  -webkit-box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.5);
+  box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.5);
+}
+
+.togetherjs-click {
+  position: absolute;
+  z-index: 9998;
+  pointer-events: none;
+  width: 10px;
+  height: 10px;
+  margin: -5px 0 0 -5px;
+  border-radius: 5px;
+  border: 3px solid #ff3a29;
+  /*    Note, you must call this like:
+  .transition(~"value, value, value")*/
+
+  transition: width 2s, height 2s, margin 2s, border 2s;
+  -moz-transition: width 2s, height 2s, margin 2s, border 2s;
+  -webkit-transition: width 2s, height 2s, margin 2s, border 2s;
+  -o-transition: width 2s, height 2s, margin 2s, border 2s;
+}
+.togetherjs-click.togetherjs-clicking {
+  width: 40px;
+  height: 40px;
+  margin: -20px 0 0 -20px;
+  border-radius: 20px;
+  border: 3px solid rgba(0, 0, 0, 0);
+}

src/plugins/ofmeet/src/pdf/cursor.js

+
+  var FOREGROUND_COLORS = ["#111", "#eee"];
+  var CURSOR_HEIGHT = 50;
+  var CURSOR_ANGLE = (35 / 180) * Math.PI;
+  var CURSOR_WIDTH = Math.ceil(Math.sin(CURSOR_ANGLE) * CURSOR_HEIGHT);
+  var CLICK_TRANSITION_TIME = 3000;
+
+  var peers = {};
+  
+  var session = {
+  
+  	send: function(msg)
+  	{
+  		//console.log('session.send', msg);
+  		window.parent.connection.ofmuc.pfdMessage(msg);
+  	}
+  };
+
+  var handlePdfShare = function(url, from)
+  {
+  	try {
+  		var obj = JSON.parse(url);
+  		//window.parent.console.log("remote handlePdfShare", obj, url, from);
+  		
+		var p = peers[from];
+		
+		if (! p) {        
+    			p = Cursor.getClient(from);
+    			p.updatePeer({id: from, name: from, status: "live"}); 
+    			peers[from] = p;
+		} 
+    
+    		if (obj.type == "cursor-update") p.updatePosition(obj);	
+  	
+  	} catch (e) { window.parent.console.error(e)}
+  };
+  
+  var util = {};
+  
+  util.Class = function (superClass, prototype) {
+    var a;
+    if (prototype === undefined) {
+      prototype = superClass;
+    } else {
+      if (superClass.prototype) {
+        superClass = superClass.prototype;
+      }
+      var newPrototype = Object.create(superClass);
+      for (a in prototype) {
+        if (prototype.hasOwnProperty(a)) {
+          newPrototype[a] = prototype[a];
+        }
+      }
+      prototype = newPrototype;
+    }
+    var ClassObject = function () {
+      var obj = Object.create(prototype);
+      obj.constructor.apply(obj, arguments);
+      obj.constructor = ClassObject;
+      return obj;
+    };
+    ClassObject.prototype = prototype;
+    if (prototype.constructor.name) {
+      ClassObject.className = prototype.constructor.name;
+      ClassObject.toString = function () {
+        return '[Class ' + this.className + ']';
+      };
+    }
+    if (prototype.classMethods) {
+      for (a in prototype.classMethods) {
+        if (prototype.classMethods.hasOwnProperty(a)) {
+          ClassObject[a] = prototype.classMethods[a];
+        }
+      }
+    }
+    return ClassObject;
+  };
+
+  var elementFinder = {};
+    
+  elementFinder.ignoreElement = function ignoreElement(el) 
+  {
+    if (el instanceof $) {
+      el = el[0];
+    }
+    while (el) {
+      if ($(el).hasClass("togetherjs")) {
+        return true;
+      }
+      el = el.parentNode;
+    }
+    return false;
+  };
+
+  elementFinder.elementLocation = function elementLocation(el) {
+    if (el instanceof $) {
+      // a jQuery element
+      el = el[0];
+    }
+    if (el[0] && el.attr && el[0].nodeType == 1) {
+      // Or a jQuery element not made by us
+      el = el[0];
+    }
+    if (el.id) {
+      return "#" + el.id;
+    }
+    if (el.tagName == "BODY") {
+      return "body";
+    }
+    if (el.tagName == "HEAD") {
+      return "head";
+    }
+    if (el === document) {
+      return "document";
+    }
+    var parent = el.parentNode;
+    if ((! parent) || parent == el) {
+      console.warn("elementLocation(", el, ") has null parent");
+      throw new Error("No locatable parent found");
+    }
+    var parentLocation = elementLocation(parent);
+    var children = parent.childNodes;
+    var _len = children.length;
+    var index = 0;
+    for (var i=0; i<_len; i++) {
+      if (children[i] == el) {
+        break;
+      }
+      if (children[i].nodeType == document.ELEMENT_NODE) {
+        if (children[i].className.indexOf("togetherjs") != -1) {
+          // Don't count our UI
+          continue;
+        }
+        // Don't count text or comments
+        index++;
+      }
+    }
+    return parentLocation + ":nth-child(" + (index+1) + ")";
+  };
+
+  elementFinder.CannotFind = {
+    constructor: function CannotFind(location, reason, context) {
+      this.prefix = "";
+      this.location = location;
+      this.reason = reason;
+      this.context = context;
+    },
+    toString: function () {
+      var loc;
+      try {
+        loc = elementFinder.elementLocation(this.context);
+      } catch (e) {
+        loc = this.context;
+      }
+      return (
+        "[CannotFind " + this.prefix +
+          "(" + this.location + "): " +
+          this.reason + " in " +
+          loc + "]");
+    }
+  };
+
+  elementFinder.findElement = function findElement(loc, container) {
+    // FIXME: should this all just be done with document.querySelector()?
+    // But no!  We can't ignore togetherjs elements with querySelector.
+    // But maybe!  We *could* make togetherjs elements less obtrusive?
+    container = container || document;
+    var el, rest;
+    if (loc === "body") {
+      return document.body;
+    } else if (loc === "head") {
+      return document.head;
+    } else if (loc === "document") {
+      return document;
+    } else if (loc.indexOf("body") === 0) {
+      el = document.body;
+      try {
+        return findElement(loc.substr(("body").length), el);
+      } catch (e) {
+        if (e instanceof elementFinder.CannotFind) {
+          e.prefix = "body" + e.prefix;
+        }
+        throw e;
+      }
+    } else if (loc.indexOf("head") === 0) {
+      el = document.head;
+      try {
+        return findElement(loc.substr(("head").length), el);
+      } catch (e) {
+        if (e instanceof elementFinder.CannotFind) {
+          e.prefix = "head" + e.prefix;
+        }
+        throw e;
+      }
+    } else if (loc.indexOf("#") === 0) {
+      var id;
+      loc = loc.substr(1);
+      if (loc.indexOf(":") === -1) {
+        id = loc;
+        rest = "";
+      } else {
+        id = loc.substr(0, loc.indexOf(":"));
+        rest = loc.substr(loc.indexOf(":"));
+      }
+      el = document.getElementById(id);
+      if (! el) {
+        throw elementFinder.CannotFind("#" + id, "No element by that id", container);
+      }
+      if (rest) {
+        try {
+          return findElement(rest, el);
+        } catch (e) {
+          if (e instanceof elementFinder.CannotFind) {
+            e.prefix = "#" + id + e.prefix;
+          }
+          throw e;
+        }
+      } else {
+        return el;
+      }
+    } else if (loc.indexOf(":nth-child(") === 0) {
+      loc = loc.substr((":nth-child(").length);
+      if (loc.indexOf(")") == -1) {
+        throw "Invalid location, missing ): " + loc;
+      }
+      var num = loc.substr(0, loc.indexOf(")"));
+      num = parseInt(num, 10);
+      var count = num;
+      loc = loc.substr(loc.indexOf(")") + 1);
+      var children = container.childNodes;
+      el = null;
+      for (var i=0; i<children.length; i++) {
+        var child = children[i];
+        if (child.nodeType == document.ELEMENT_NODE) {
+          if (child.className.indexOf("togetherjs") != -1) {
+            continue;
+          }
+          count--;
+          if (count === 0) {
+            // this is the element
+            el = child;
+            break;
+          }
+        }
+      }
+      if (! el) {
+        throw elementFinder.CannotFind(":nth-child(" + num + ")", "container only has " + (num - count) + " elements", container);
+      }
+      if (loc) {
+        try {
+          return elementFinder.findElement(loc, el);
+        } catch (e) {
+          if (e instanceof elementFinder.CannotFind) {
+            e.prefix = ":nth-child(" + num + ")" + e.prefix;
+          }
+          throw e;
+        }
+      } else {
+        return el;
+      }
+    } else {
+      throw elementFinder.CannotFind(loc, "Malformed location", container);
+    }
+  };
+
+  elementFinder.elementByPixel = function (height) {
+    /* Returns {location: "...", offset: pixels}
+
+       To get the pixel position back, you'd do:
+         $(location).offset().top + offset
+     */
+    function search(start, height) {
+      var last = null;
+      var children = start.children();
+      children.each(function () {
+        var el = $(this);
+        if (el.hasClass("togetherjs") || el.css("position") == "fixed" || ! el.is(":visible")) {
+          return;
+        }
+        if (el.offset().top > height) {
+          return false;
+        }
+        last = el;
+      });
+      if ((! children.length) || (! last)) {
+        // There are no children, or only inapplicable children
+        return {
+          location: elementFinder.elementLocation(start[0]),
+          offset: height - start.offset().top,
+          absoluteTop: height,
+          documentHeight: $(document).height()
+        };
+      }
+      return search(last, height);
+    }
+    return search($(document.body), height);
+  };
+
+  elementFinder.pixelForPosition = function (position) {
+    /* Inverse of elementFinder.elementByPixel */
+    if (position.location == "body") {
+      return position.offset;
+    }
+    var el;
+    try {
+      el = elementFinder.findElement(position.location);
+    } catch (e) {
+      if (e instanceof elementFinder.CannotFind && position.absoluteTop) {
+        // We don't trust absoluteTop to be quite right locally, so we adjust
+        // for the total document height differences:
+        var percent = position.absoluteTop / position.documentHeight;
+        return $(document).height() * percent;
+      }
+      throw e;
+    }
+    var top = $(el).offset().top;
+    // FIXME: maybe here we should test for sanity, like if an element is
+    // hidden.  We can use position.absoluteTop to get a sense of where the
+    // element roughly should be.  If the sanity check failed we'd use
+    // absoluteTop
+    return top + position.offset;
+  };
+
+  // Number of milliseconds after page load in which a scroll-update
+  // related hello-back message will be processed:
+  
+  var SCROLL_UPDATE_CUTOFF = 2000;
+
+  // FIXME: should check for a peer leaving and remove the cursor object
+  var Cursor = util.Class({
+    constructor: function (clientId) {
+      this.clientId = clientId;
+      this.element = $('<div id="togetherjs-template-cursor" class="togetherjs-cursor togetherjs"> <!-- Note: images/cursor.svg is a copy of this (for editing): --> <!-- crossbrowser svg dropshadow http://demosthenes.info/blog/600/Creating-a-True-CrossBrowser-Drop-Shadow- --> <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="15px" height="22.838px" viewBox="96.344 146.692 15 22.838" enable-background="new 96.344 146.692 15 22.838" xml:space="preserve"> <path fill="#231F20" d="M98.984,146.692c2.167,1.322,1.624,6.067,3.773,7.298c-0.072-0.488,2.512-0.931,3.097,0 c0.503,0.337,1.104-0.846,2.653,0.443c0.555,0.593,3.258,2.179,1.001,8.851c-0.446,1.316,2.854,0.135,1.169,2.619 c-3.748,5.521-9.455,2.787-9.062,1.746c1.06-2.809-6.889-4.885-4.97-9.896c0.834-2.559,2.898,0.653,2.923,0.29 c-0.434-1.07-2.608-5.541-2.923-6.985C96.587,150.793,95.342,147.033,98.984,146.692z"/> </svg> <!-- <img class="togetherjs-cursor-img" src="http://localhost:8080/togetherjs/images/cursor.svg"> --> <span class="togetherjs-cursor-container"> <span class="togetherjs-cursor-name">Dummy</span> <span style="display:none" class="togetherjs-cursor-typing" id="togetherjs-cursor-typebox"> <span class="togetherjs-typing-ellipse-one">&#9679;</span><span class="togetherjs-typing-ellipse-two">&#9679;</span><span class="togetherjs-typing-ellipse-three">&#9679;</span> </span> <!-- Displayed when the cursor is below the screen: --> <span class="togetherjs-cursor-down"> </span> <!-- Displayed when the cursor is above the screen: --> <span class="togetherjs-cursor-up"> </span> </span> </div>');
+      this.elementClass = "togetherjs-scrolled-normal";
+      this.element.addClass(this.elementClass);
+      //this.updatePeer(peers.getPeer(clientId));
+      this.lastTop = this.lastLeft = null;
+      $(document.body).append(this.element);
+      //this.element.animateCursorEntry();
+      this.keydownTimeout = null;
+      this.clearKeydown = this.clearKeydown.bind(this);
+      this.atOtherUrl = false;   
+      this.color = Math.floor(Math.random() * 0xffffff).toString(16);
+      while (this.color.length < 6) {
+	this.color = "0" + this.color;
+      }
+      this.color = "#" + this.color;       
+    },
+
+    // How long after receiving a setKeydown call that we should show the
+    // user typing.  This should be more than MIN_KEYDOWN_TIME:
+    KEYDOWN_WAIT_TIME: 2000,
+
+    updatePeer: function (peer) {
+      // FIXME: can I use peer.setElement()?
+      this.element.css({color: this.color});
+      var img = this.element.find("img.togetherjs-cursor-img");
+      img.attr("src", makeCursor(this.color));
+      var name = this.element.find(".togetherjs-cursor-name");
+      var nameContainer = this.element.find(".togetherjs-cursor-container");
+      name.text(peer.name);
+      nameContainer.css({
+        backgroundColor: this.color,
+        color: tinycolor.mostReadable(this.color, FOREGROUND_COLORS)
+      });
+      
+      var path = this.element.find("svg path");
+      
+      path.attr("fill", this.color);
+      
+      // FIXME: should I just remove the element?
+      if (peer.status != "live") {
+        this.element.hide();
+        this.element.find("svg").animate({
+          opacity: 0
+        }, 350);
+        this.element.find(".togetherjs-cursor-container").animate({
+                width: 34,
+                height: 20,
+                padding: 12,
+                margin: 0
+            }, 200).animate({
+                width: 0,
+                height: 0,
+                padding: 0,
+                opacity: 0
+                }, 200);
+      } else {
+        this.element.show();
+        this.element.animate({
+          opacity:0.3
+        }).animate({
+          opacity:1
+        });
+      }
+    },
+
+    setClass: function (name) {
+      if (name != this.elementClass) {
+        this.element.removeClass(this.elementClass).addClass(name);
+        this.elementClass = name;
+      }
+    },
+
+    updatePosition: function (pos) {
+      var top, left;
+      if (this.atOtherUrl) {
+        this.element.show();
+        this.atOtherUrl = false;
+      }
+      if (pos.element) {
+        var target = $(elementFinder.findElement(pos.element));
+        var offset = target.offset();
+        top = offset.top + pos.offsetY;
+        left = offset.left + pos.offsetX;
+      } else {
+        // No anchor, just an absolute position
+        top = pos.top;
+        left = pos.left;
+      }
+      // These are saved for use by .refresh():
+      this.lastTop = top;
+      this.lastLeft = left;
+      this.setPosition(top, left);
+    },
+
+    hideOtherUrl: function () {
+      if (this.atOtherUrl) {
+        return;
+      }
+      this.atOtherUrl = true;
+      // FIXME: should show away status better:
+      this.element.hide();
+    },
+
+    // place Cursor rotate function down here FIXME: this doesnt do anything anymore.  This is in the CSS as an animation
+    rotateCursorDown: function(){
+      var e = $(this.element).find('svg');
+        e.animate({borderSpacing: -150, opacity: 1}, {
+        step: function(now, fx) {
+          if (fx.prop == "borderSpacing") {
+            e.css('-webkit-transform', 'rotate('+now+'deg)')
+              .css('-moz-transform', 'rotate('+now+'deg)')
+              .css('-ms-transform', 'rotate('+now+'deg)')
+              .css('-o-transform', 'rotate('+now+'deg)')
+              .css('transform', 'rotate('+now+'deg)');
+          } else {
+            e.css(fx.prop, now);
+          }
+        },
+        duration: 500
+      }, 'linear').promise().then(function () {
+        e.css('-webkit-transform', '')
+          .css('-moz-transform', '')
+          .css('-ms-transform', '')
+          .css('-o-transform', '')
+          .css('transform', '')
+          .css("opacity", "");
+      });
+    },
+
+    setPosition: function (top, left) {
+      var wTop = $(window).scrollTop();
+      var height = $(window).height();
+
+      if (top < wTop) {
+        // FIXME: this is a totally arbitrary number, but is meant to be big enough
+        // to keep the cursor name from being off the top of the screen.
+        top = 25;
+        this.setClass("togetherjs-scrolled-above");
+      } else if (top > wTop + height - CURSOR_HEIGHT) {
+        top = height - CURSOR_HEIGHT - 5;
+        this.setClass("togetherjs-scrolled-below");
+      } else {
+        this.setClass("togetherjs-scrolled-normal");
+      }
+      this.element.css({
+        top: top,
+        left: left
+      });
+    },
+
+    refresh: function () {
+      if (this.lastTop !== null) {
+        this.setPosition(this.lastTop, this.lastLeft);
+      }
+    },
+
+    setKeydown: function () {
+      if (this.keydownTimeout) {
+        clearTimeout(this.keydownTimeout);
+      } else {
+        this.element.find(".togetherjs-cursor-typing").show().animateKeyboard();
+      }
+      this.keydownTimeout = setTimeout(this.clearKeydown, this.KEYDOWN_WAIT_TIME);
+    },
+
+    clearKeydown: function () {
+      this.keydownTimeout = null;
+      this.element.find(".togetherjs-cursor-typing").hide().stopKeyboardAnimation();
+    },
+
+    _destroy: function () {
+      this.element.remove();
+      this.element = null;
+    }
+  });
+
+  Cursor._cursors = {};
+
+  Cursor.getClient = function (clientId) {
+    var c = Cursor._cursors[clientId];
+    if (! c) {
+      c = Cursor._cursors[clientId] = Cursor(clientId);
+    }
+    return c;
+  };
+
+  Cursor.forEach = function (callback, context) {
+    context = context || null;
+    for (var a in Cursor._cursors) {
+      if (Cursor._cursors.hasOwnProperty(a)) {
+        callback.call(context, Cursor._cursors[a], a);
+      }
+    }
+  };
+
+  Cursor.destroy = function (clientId) {
+    Cursor._cursors[clientId]._destroy();
+    delete Cursor._cursors[clientId];
+  };
+
+/*
+  peers.on("new-peer identity-updated status-updated", function (peer) {
+    var c = Cursor.getClient(peer.id);
+    c.updatePeer(peer);
+  });
+*/
+
+  var lastTime = 0;
+  var MIN_TIME = 100;
+  var lastPosX = -1;
+  var lastPosY = -1;
+  var lastMessage = null;
+  
+  function mousemove(event) 
+  {
+    var now = Date.now();
+    if (now - lastTime < MIN_TIME) {
+      return;
+    }
+    lastTime = now;
+    var pageX = event.pageX;
+    var pageY = event.pageY;
+    if (Math.abs(lastPosX - pageX) < 3 && Math.abs(lastPosY - pageY) < 3) {
+      // Not a substantial enough change
+      return;
+    }
+    lastPosX = pageX;
+    lastPosY = pageY;
+    var target = event.target;
+
+    if (elementFinder.ignoreElement(target)) {
+      target = null;
+    }
+    if ((! target) || target == document.documentElement || target == document.body) {
+      lastMessage = {
+        type: "cursor-update",
+        top: pageY,
+        left: pageX
+      };
+      session.send(lastMessage);
+      return;
+    }
+    target = $(target);
+    var offset = target.offset();
+    if (! offset) {
+      // FIXME: this really is walkabout.js's problem to fire events on the
+      // document instead of a specific element
+      console.warn("Could not get offset of element:", target[0]);
+      return;
+    }
+    var offsetX = pageX - offset.left;
+    var offsetY = pageY - offset.top;
+    lastMessage = {
+      type: "cursor-update",
+      element: elementFinder.elementLocation(target),
+      offsetX: Math.floor(offsetX),
+      offsetY: Math.floor(offsetY)
+    };
+    session.send(lastMessage);
+  }
+
+
+
+  function makeCursor(color) 
+  {
+    var canvas = $("<canvas></canvas>");
+    canvas.attr("height", CURSOR_HEIGHT);
+    canvas.attr("width", CURSOR_WIDTH);
+    var context = canvas[0].getContext('2d');
+    context.fillStyle = color;
+    context.moveTo(0, 0);
+    context.beginPath();
+    context.lineTo(0, CURSOR_HEIGHT/1.2);
+    context.lineTo(Math.sin(CURSOR_ANGLE/2) * CURSOR_HEIGHT / 1.5,
+                   Math.cos(CURSOR_ANGLE/2) * CURSOR_HEIGHT / 1.5);
+    context.lineTo(Math.sin(CURSOR_ANGLE) * CURSOR_HEIGHT / 1.2,
+                   Math.cos(CURSOR_ANGLE) * CURSOR_HEIGHT / 1.2);
+    context.lineTo(0, 0);
+    context.shadowColor = 'rgba(0,0,0,0.3)';
+    context.shadowBlur = 2;
+    context.shadowOffsetX = 1;
+    context.shadowOffsetY = 2;
+	context.strokeStyle = "#ffffff";
+	context.stroke();
+    context.fill();
+    return canvas[0].toDataURL("image/png");
+  }
+
+  var scrollTimeout = null;
+  var scrollTimeoutSet = 0;
+  var SCROLL_DELAY_TIMEOUT = 75;
+  var SCROLL_DELAY_LIMIT = 300;
+
+  function scroll() {
+    var now = Date.now();
+    if (scrollTimeout) {
+      if (now - scrollTimeoutSet < SCROLL_DELAY_LIMIT) {
+        clearTimeout(scrollTimeout);
+      } else {
+        // Just let it progress anyway
+        return;
+      }
+    }
+    scrollTimeout = setTimeout(_scrollRefresh, SCROLL_DELAY_TIMEOUT);
+    if (! scrollTimeoutSet) {
+      scrollTimeoutSet = now;
+    }
+  }
+
+  var lastScrollMessage = null;
+  
+  function _scrollRefresh() {
+    scrollTimeout = null;
+    scrollTimeoutSet = 0;
+    Cursor.forEach(function (c) {
+      c.refresh();
+    });
+    lastScrollMessage = {
+      type: "scroll-update",
+      position: elementFinder.elementByPixel($(window).scrollTop())
+    };
+    session.send(lastScrollMessage);
+  }
+
+
+  function documentClick(event) {
+    if (event.togetherjsInternal) {
+      // This is an artificial internal event
+      return;
+    }
+    // FIXME: this might just be my imagination, but somehow I just
+    // really don't want to do anything at this stage of the event
+    // handling (since I'm catching every click), and I'll just do
+    // something real soon:
+    setTimeout(function () 
+    {
+      var element = event.target;
+      if (element == document.documentElement) {
+        // For some reason clicking on <body> gives the <html> element here
+        element = document.body;
+      }
+      if (elementFinder.ignoreElement(element)) {
+        return;
+      }
+      //Prevent click events on video objects to avoid conflicts with
+      //togetherjs's own video events
+      if (element.nodeName.toLowerCase() === 'video'){
+        return;
+      }
+
+      var location = elementFinder.elementLocation(element);
+      var offset = $(element).offset();
+      var offsetX = event.pageX - offset.left;
+      var offsetY = event.pageY - offset.top;
+      
+      session.send({
+        type: "cursor-click",
+        element: location,
+        offsetX: offsetX,
+        offsetY: offsetY
+      });
+      
+      displayClick({top: event.pageY, left: event.pageX}, 'red');
+    });
+  }
+
+
+  function displayClick(pos, color) {
+  console.log("displayClick", pos, color);
+    // FIXME: should we hide the local click if no one else is going to see it?
+    // That means tracking who might be able to see our screen.
+    var element = $('<div class="togetherjs-click togetherjs"></div>');
+    $(document.body).append(element);
+    
+    element.css({
+      top: pos.top,
+      left: pos.left,
+      borderColor: color
+    });
+    setTimeout(function () {
+      element.addClass("togetherjs-clicking");
+    }, 100);
+    setTimeout(function () {
+      element.remove();
+    }, CLICK_TRANSITION_TIME);
+  }
+
+  var lastKeydown = 0;
+  var MIN_KEYDOWN_TIME = 500;
+
+  function documentKeydown(event) {
+    setTimeout(function () {
+      var now = Date.now();
+      if (now - lastKeydown < MIN_KEYDOWN_TIME) {
+        return;
+      }
+      lastKeydown = now;
+      // FIXME: is event.target interesting here?  That is, *what* the
+      // user is typing into, not just that the user is typing?  Also
+      // I'm assuming we don't care if the user it typing into a
+      // togetherjs-related field, since chat activity is as interesting
+      // as any other activity.
+      session.send({type: "keydown"});
+    });
+  }
+  
+window.addEventListener("unload", function () 
+{
+    Cursor.forEach(function (c, clientId) {
+      Cursor.destroy(clientId);
+    });
+    
+    $(document).unbind("mousemove", mousemove);
+    document.removeEventListener("click", documentClick, true);
+    document.removeEventListener("keydown", documentKeydown, true);
+    $(window).unbind("scroll", scroll);	   
+});
+	
+window.addEventListener("load", function()
+{
+    $(document).mousemove(mousemove);
+    document.addEventListener("click", documentClick, true);
+    document.addEventListener("keydown", documentKeydown, true);
+    $(window).scroll(scroll);
+    scroll();    
+});

src/plugins/ofmeet/src/pdf/index.html

@@ -4,7 +4,11 @@
 <head>
   <!-- In production, only one script (pdf.js) is necessary -->
   <!-- In production, change the content of PDFJS.workerSrc below -->
+  <link rel="stylesheet" type="text/css" href="cursor.css" />
   <script type="text/javascript" src="pdf.js"></script>
+  <script type="text/javascript" src="jquery-1.10.2.min.js"></script>
+  <script type="text/javascript" src="tinycolor.js"></script>
+  <script type="text/javascript" src="cursor.js"></script>
 </head>
 
 <body onload="start();">

src/plugins/ofmeet/src/pdf/jquery-1.10.2.min.js

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src/plugins/ofmeet/src/pdf/tinycolor.js

+// TinyColor v0.9.13
+// https://github.com/bgrins/TinyColor
+// 2012-11-28, Brian Grinstead, MIT License
+
+(function(root) {
+
+var trimLeft = /^[\s,#]+/,
+    trimRight = /\s+$/,
+    tinyCounter = 0,
+    math = Math,
+    mathRound = math.round,
+    mathMin = math.min,
+    mathMax = math.max,
+    mathRandom = math.random;
+
+function tinycolor (color, opts) {
+
+    color = (color) ? color : '';
+
+    // If input is already a tinycolor, return itself
+    if (typeof color == "object" && color.hasOwnProperty("_tc_id")) {
+       return color;
+    }
+
+    var rgb = inputToRGB(color);
+    var r = rgb.r,
+        g = rgb.g,
+        b = rgb.b,
+        a = rgb.a,
+        roundA = mathRound(100*a) / 100,
+        format = rgb.format;
+
+    // Don't let the range of [0,255] come back in [0,1].
+    // Potentially lose a little bit of precision here, but will fix issues where
+    // .5 gets interpreted as half of the total, instead of half of 1
+    // If it was supposed to be 128, this was already taken care of by `inputToRgb`
+    if (r < 1) { r = mathRound(r); }
+    if (g < 1) { g = mathRound(g); }
+    if (b < 1) { b = mathRound(b); }
+
+    return {
+        ok: rgb.ok,
+        format: format,
+        _tc_id: tinyCounter++,
+        alpha: a,
+        toHsv: function() {
+            var hsv = rgbToHsv(r, g, b);
+            return { h: hsv.h * 360, s: hsv.s, v: hsv.v, a: a };
+        },
+        toHsvString: function() {
+            var hsv = rgbToHsv(r, g, b);
+            var h = mathRound(hsv.h * 360), s = mathRound(hsv.s * 100), v = mathRound(hsv.v * 100);
+            return (a == 1) ?
+              "hsv("  + h + ", " + s + "%, " + v + "%)" :
+              "hsva(" + h + ", " + s + "%, " + v + "%, "+ roundA + ")";
+        },
+        toHsl: function() {
+            var hsl = rgbToHsl(r, g, b);
+            return { h: hsl.h * 360, s: hsl.s, l: hsl.l, a: a };
+        },
+        toHslString: function() {
+            var hsl = rgbToHsl(r, g, b);
+            var h = mathRound(hsl.h * 360), s = mathRound(hsl.s * 100), l = mathRound(hsl.l * 100);
+            return (a == 1) ?
+              "hsl("  + h + ", " + s + "%, " + l + "%)" :
+              "hsla(" + h + ", " + s + "%, " + l + "%, "+ roundA + ")";
+        },
+        toHex: function() {
+            return rgbToHex(r, g, b);
+        },
+        toHexString: function() {
+            return '#' + rgbToHex(r, g, b);
+        },
+        toRgb: function() {
+            return { r: mathRound(r), g: mathRound(g), b: mathRound(b), a: a };
+        },
+        toRgbString: function() {
+            return (a == 1) ?
+              "rgb("  + mathRound(r) + ", " + mathRound(g) + ", " + mathRound(b) + ")" :
+              "rgba(" + mathRound(r) + ", " + mathRound(g) + ", " + mathRound(b) + ", " + roundA + ")";
+        },
+        toPercentageRgb: function() {
+            return { r: mathRound(bound01(r, 255) * 100) + "%", g: mathRound(bound01(g, 255) * 100) + "%", b: mathRound(bound01(b, 255) * 100) + "%", a: a };
+        },
+        toPercentageRgbString: function() {
+            return (a == 1) ?
+              "rgb("  + mathRound(bound01(r, 255) * 100) + "%, " + mathRound(bound01(g, 255) * 100) + "%, " + mathRound(bound01(b, 255) * 100) + "%)" :
+              "rgba(" + mathRound(bound01(r, 255) * 100) + "%, " + mathRound(bound01(g, 255) * 100) + "%, " + mathRound(bound01(b, 255) * 100) + "%, " + roundA + ")";
+        },
+        toName: function() {
+            return hexNames[rgbToHex(r, g, b)] || false;
+        },
+        toFilter: function() {
+            var hex = rgbToHex(r, g, b);
+            var secondHex = hex;
+            var alphaHex = Math.round(parseFloat(a) * 255).toString(16);
+            var secondAlphaHex = alphaHex;
+            var gradientType = opts && opts.gradientType ? "GradientType = 1, " : "";
+
+            if (secondColor) {
+                var s = tinycolor(secondColor);
+                secondHex = s.toHex();
+                secondAlphaHex = Math.round(parseFloat(s.alpha) * 255).toString(16);
+            }
+
+            return "progid:DXImageTransform.Microsoft.gradient("+gradientType+"startColorstr=#" + pad2(alphaHex) + hex + ",endColorstr=#" + pad2(secondAlphaHex) + secondHex + ")";
+        },
+        toString: function(format) {
+            format = format || this.format;
+            var formattedString = false;
+            if (format === "rgb") {
+                formattedString = this.toRgbString();
+            }
+            if (format === "prgb") {
+                formattedString = this.toPercentageRgbString();
+            }
+            if (format === "hex") {
+                formattedString = this.toHexString();
+            }
+            if (format === "name") {
+                formattedString = this.toName();
+            }
+            if (format === "hsl") {
+                formattedString = this.toHslString();
+            }
+            if (format === "hsv") {
+                formattedString = this.toHsvString();
+            }
+
+            return formattedString || this.toHexString();
+        }
+    };
+}
+
+// If input is an object, force 1 into "1.0" to handle ratios properly
+// String input requires "1.0" as input, so 1 will be treated as 1
+tinycolor.fromRatio = function(color) {
+    if (typeof color == "object") {
+        var newColor = {};
+        for (var i in color) {
+            newColor[i] = convertToPercentage(color[i]);
+        }
+        color = newColor;
+    }
+
+    return tinycolor(color);
+};
+
+// Given a string or object, convert that input to RGB
+// Possible string inputs:
+//
+//     "red"
+//     "#f00" or "f00"
+//     "#ff0000" or "ff0000"
+//     "rgb 255 0 0" or "rgb (255, 0, 0)"
+//     "rgb 1.0 0 0" or "rgb (1, 0, 0)"
+//     "rgba (255, 0, 0, 1)" or "rgba 255, 0, 0, 1"
+//     "rgba (1.0, 0, 0, 1)" or "rgba 1.0, 0, 0, 1"
+//     "hsl(0, 100%, 50%)" or "hsl 0 100% 50%"
+//     "hsla(0, 100%, 50%, 1)" or "hsla 0 100% 50%, 1"
+//     "hsv(0, 100%, 100%)" or "hsv 0 100% 100%"
+//
+function inputToRGB(color) {
+
+    var rgb = { r: 255, g: 255, b: 255 };
+    var a = 1;
+    var ok = false;
+    var format = false;
+
+    if (typeof color == "string") {
+        color = stringInputToObject(color);
+    }
+
+    if (typeof color == "object") {
+        if (color.hasOwnProperty("r") && color.hasOwnProperty("g") && color.hasOwnProperty("b")) {
+            rgb = rgbToRgb(color.r, color.g, color.b);
+            ok = true;
+            format = String(color.r).substr(-1) === "%" ? "prgb" : "rgb";
+        }
+        else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("v")) {
+            color.s = convertToPercentage(color.s);
+            color.v = convertToPercentage(color.v);
+            rgb = hsvToRgb(color.h, color.s, color.v);
+            ok = true;
+            format = "hsv";
+        }
+        else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("l")) {
+            color.s = convertToPercentage(color.s);
+            color.l = convertToPercentage(color.l);
+            rgb = hslToRgb(color.h, color.s, color.l);
+            ok = true;
+            format = "hsl";
+        }
+
+        if (color.hasOwnProperty("a")) {
+            a = color.a;
+        }
+    }
+
+    a = parseFloat(a);
+
+    // Handle invalid alpha characters by setting to 1
+    if (isNaN(a) || a < 0 || a > 1) {
+        a = 1;
+    }
+
+    return {
+        ok: ok,
+        format: color.format || format,
+        r: mathMin(255, mathMax(rgb.r, 0)),
+        g: mathMin(255, mathMax(rgb.g, 0)),
+        b: mathMin(255, mathMax(rgb.b, 0)),
+        a: a
+    };
+}
+
+
+
+// Conversion Functions
+// --------------------
+
+// `rgbToHsl`, `rgbToHsv`, `hslToRgb`, `hsvToRgb` modified from:
+// <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript>
+
+// `rgbToRgb`
+// Handle bounds / percentage checking to conform to CSS color spec
+// <http://www.w3.org/TR/css3-color/>
+// *Assumes:* r, g, b in [0, 255] or [0, 1]
+// *Returns:* { r, g, b } in [0, 255]
+function rgbToRgb(r, g, b){
+    return {
+        r: bound01(r, 255) * 255,
+        g: bound01(g, 255) * 255,
+        b: bound01(b, 255) * 255
+    };
+}
+
+// `rgbToHsl`
+// Converts an RGB color value to HSL.
+// *Assumes:* r, g, and b are contained in [0, 255] or [0, 1]
+// *Returns:* { h, s, l } in [0,1]
+function rgbToHsl(r, g, b) {
+
+    r = bound01(r, 255);
+    g = bound01(g, 255);
+    b = bound01(b, 255);
+
+    var max = mathMax(r, g, b), min = mathMin(r, g, b);
+    var h, s, l = (max + min) / 2;
+
+    if(max == min) {
+        h = s = 0; // achromatic
+    }
+    else {
+        var d = max - min;
+        s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
+        switch(max) {
+            case r: h = (g - b) / d + (g < b ? 6 : 0); break;
+            case g: h = (b - r) / d + 2; break;
+            case b: h = (r - g) / d + 4; break;
+        }
+
+        h /= 6;
+    }
+
+    return { h: h, s: s, l: l };
+}
+
+// `hslToRgb`
+// Converts an HSL color value to RGB.
+// *Assumes:* h is contained in [0, 1] or [0, 360] and s and l are contained [0, 1] or [0, 100]
+// *Returns:* { r, g, b } in the set [0, 255]
+function hslToRgb(h, s, l) {
+    var r, g, b;
+
+    h = bound01(h, 360);
+    s = bound01(s, 100);
+    l = bound01(l, 100);
+
+    function hue2rgb(p, q, t) {
+        if(t < 0) t += 1;
+        if(t > 1) t -= 1;
+        if(t < 1/6) return p + (q - p) * 6 * t;
+        if(t < 1/2) return q;
+        if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
+        return p;
+    }
+
+    if(s === 0) {
+        r = g = b = l; // achromatic
+    }
+    else {
+        var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
+        var p = 2 * l - q;
+        r = hue2rgb(p, q, h + 1/3);
+        g = hue2rgb(p, q, h);
+        b = hue2rgb(p, q, h - 1/3);
+    }
+
+    return { r: r * 255, g: g * 255, b: b * 255 };
+}
+
+// `rgbToHsv`
+// Converts an RGB color value to HSV
+// *Assumes:* r, g, and b are contained in the set [0, 255] or [0, 1]
+// *Returns:* { h, s, v } in [0,1]
+function rgbToHsv(r, g, b) {
+
+    r = bound01(r, 255);
+    g = bound01(g, 255);
+    b = bound01(b, 255);
+
+    var max = mathMax(r, g, b), min = mathMin(r, g, b);
+    var h, s, v = max;
+
+    var d = max - min;
+    s = max === 0 ? 0 : d / max;
+
+    if(max == min) {
+        h = 0; // achromatic
+    }
+    else {
+        switch(max) {
+            case r: h = (g - b) / d + (g < b ? 6 : 0); break;
+            case g: h = (b - r) / d + 2; break;
+            case b: h = (r - g) / d + 4; break;
+        }
+        h /= 6;
+    }
+    return { h: h, s: s, v: v };
+}
+
+// `hsvToRgb`
+// Converts an HSV color value to RGB.
+// *Assumes:* h is contained in [0, 1] or [0, 360] and s and v are contained in [0, 1] or [0, 100]
+// *Returns:* { r, g, b } in the set [0, 255]
+ function hsvToRgb(h, s, v) {
+
+    h = bound01(h, 360) * 6;
+    s = bound01(s, 100);
+    v = bound01(v, 100);
+
+    var i = math.floor(h),
+        f = h - i,
+        p = v * (1 - s),
+        q = v * (1 - f * s),
+        t = v * (1 - (1 - f) * s),
+        mod = i % 6,
+        r = [v, q, p, p, t, v][mod],
+        g = [t, v, v, q, p, p][mod],
+        b = [p, p, t, v, v, q][mod];
+
+    return { r: r * 255, g: g * 255, b: b * 255 };
+}
+
+// `rgbToHex`
+// Converts an RGB color to hex
+// Assumes r, g, and b are contained in the set [0, 255]
+// Returns a 3 or 6 character hex
+function rgbToHex(r, g, b) {
+    var hex = [
+        pad2(mathRound(r).toString(16)),
+        pad2(mathRound(g).toString(16)),
+        pad2(mathRound(b).toString(16))
+    ];
+
+    // Return a 3 character hex if possible
+    if (hex[0].charAt(0) == hex[0].charAt(1) && hex[1].charAt(0) == hex[1].charAt(1) && hex[2].charAt(0) == hex[2].charAt(1)) {
+        return hex[0].charAt(0) + hex[1].charAt(0) + hex[2].charAt(0);
+    }
+
+    return hex.join("");
+}
+
+// `equals`
+// Can be called with any tinycolor input
+tinycolor.equals = function (color1, color2) {
+    if (!color1 || !color2) { return false; }
+    return tinycolor(color1).toRgbString() == tinycolor(color2).toRgbString();
+};
+tinycolor.random = function() {
+    return tinycolor.fromRatio({
+        r: mathRandom(),
+        g: mathRandom(),
+        b: mathRandom()
+    });
+};
+
+
+// Modification Functions
+// ----------------------
+// Thanks to less.js for some of the basics here
+// <https://github.com/cloudhead/less.js/blob/master/lib/less/functions.js>
+
+
+tinycolor.desaturate = function (color, amount) {
+    var hsl = tinycolor(color).toHsl();
+    hsl.s -= ((amount || 10) / 100);
+    hsl.s = clamp01(hsl.s);
+    return tinycolor(hsl);
+};
+tinycolor.saturate = function (color, amount) {
+    var hsl = tinycolor(color).toHsl();
+    hsl.s += ((amount || 10) / 100);
+    hsl.s = clamp01(hsl.s);
+    return tinycolor(hsl);
+};
+tinycolor.greyscale = function(color) {
+    return tinycolor.desaturate(color, 100);
+};
+tinycolor.lighten = function(color, amount) {
+    var hsl = tinycolor(color).toHsl();
+    hsl.l += ((amount || 10) / 100);
+    hsl.l = clamp01(hsl.l);
+    return tinycolor(hsl);
+};
+tinycolor.darken = function (color, amount) {
+    var hsl = tinycolor(color).toHsl();
+    hsl.l -= ((amount || 10) / 100);
+    hsl.l = clamp01(hsl.l);
+    return tinycolor(hsl);
+};
+tinycolor.complement = function(color) {
+    var hsl = tinycolor(color).toHsl();
+    hsl.h = (hsl.h + 180) % 360;
+    return tinycolor(hsl);
+};
+
+
+// Combination Functions
+// ---------------------
+// Thanks to jQuery xColor for some of the ideas behind these
+// <https://github.com/infusion/jQuery-xcolor/blob/master/jquery.xcolor.js>
+
+tinycolor.triad = function(color) {
+    var hsl = tinycolor(color).toHsl();
+    var h = hsl.h;
+    return [
+        tinycolor(color),
+        tinycolor({ h: (h + 120) % 360, s: hsl.s, l: hsl.l }),
+        tinycolor({ h: (h + 240) % 360, s: hsl.s, l: hsl.l })
+    ];
+};
+tinycolor.tetrad = function(color) {
+    var hsl = tinycolor(color).toHsl();
+    var h = hsl.h;
+    return [
+        tinycolor(color),
+        tinycolor({ h: (h + 90) % 360, s: hsl.s, l: hsl.l }),
+        tinycolor({ h: (h + 180) % 360, s: hsl.s, l: hsl.l }),
+        tinycolor({ h: (h + 270) % 360, s: hsl.s, l: hsl.l })
+    ];
+};
+tinycolor.splitcomplement = function(color) {
+    var hsl = tinycolor(color).toHsl();
+    var h = hsl.h;
+    return [
+        tinycolor(color),
+        tinycolor({ h: (h + 72) % 360, s: hsl.s, l: hsl.l}),
+        tinycolor({ h: (h + 216) % 360, s: hsl.s, l: hsl.l})
+    ];
+};
+tinycolor.analogous = function(color, results, slices) {
+    results = results || 6;
+    slices = slices || 30;
+
+    var hsl = tinycolor(color).toHsl();
+    var part = 360 / slices;
+    var ret = [tinycolor(color)];
+
+    for (hsl.h = ((hsl.h - (part * results >> 1)) + 720) % 360; --results; ) {
+        hsl.h = (hsl.h + part) % 360;
+        ret.push(tinycolor(hsl));
+    }
+    return ret;
+};
+tinycolor.monochromatic = function(color, results) {
+    results = results || 6;
+    var hsv = tinycolor(color).toHsv();
+    var h = hsv.h, s = hsv.s, v = hsv.v;
+    var ret = [];
+    var modification = 1 / results;
+
+    while (results--) {
+        ret.push(tinycolor({ h: h, s: s, v: v}));
+        v = (v + modification) % 1;
+    }
+
+    return ret;
+};
+// Readability based on W3C recommendations: http://www.w3.org/TR/AERT#color-contrast
+// Returns object with two properties:
+//   .brightness: the difference in brightness between the two colors
+//   .color: the difference in color/hue between the two colors
+// An "acceptable" color is considered to have a brightness difference of 125 and a
+// color difference of 500
+tinycolor.readability = function(color1, color2) {
+    var a = tinycolor(color1).toRgb(), b = tinycolor(color2).toRgb();
+    var brightnessA = (a.r * 299 + a.g * 587 + a.b * 114) / 1000;
+    var brightnessB = (b.r * 299 + b.g * 587 + b.b * 114) / 1000;
+    var colorDiff = (
+        Math.max(a.r, b.r) - Math.min(a.r, b.r) +
+        Math.max(a.g, b.g) - Math.min(a.g, b.g) +
+        Math.max(a.b, b.b) - Math.min(a.b, b.b));
+    return {
+        brightness: Math.abs(brightnessA - brightnessB),
+        color: colorDiff
+    };
+};
+// True if using color1 over color2 (or vice versa) is "readable"
+// Based on: http://www.w3.org/TR/AERT#color-contrast
+// Example:
+//   tinycolor.readable("#000", "#111") => false
+tinycolor.readable = function(color1, color2) {
+    var readability = tinycolor.readability(color1, color2);
+    return readability.brightness > 125 && readability.color > 500;
+};
+// Given a base color and a list of possible foreground or background
+// colors for that base, returns the most readable color.
+// Example:
+//   tinycolor.mostReadable("#123", ["#fff", "#000"]) => "#000"
+tinycolor.mostReadable = function(baseColor, colorList) {
+    var bestColor;
+    var bestScore = 0;
+    var bestIsReadable = false;
+    for (var i=0; i < colorList.length; i++) {
+        var readability = tinycolor.readability(baseColor, colorList[i]);
+        var readable = readability.brightness > 125 && readability.color > 500;
+        // We normalize both around the "acceptable" breaking point,
+        // but rank brightness constrast higher than hue.  Why?  I'm
+        // not sure, seems reasonable.
+        var score = 3 * (readability.brightness / 125) + (readability.color / 500);
+        if ((readable && ! bestIsReadable) ||
+            (readable && bestIsReadable && score > bestScore) ||
+            ((! readable) && (! bestIsReadable) && score > bestScore)) {
+            bestIsReadable = readable;
+            bestScore = score;
+            bestColor = colorList[i];
+        }
+    }
+    return bestColor;
+};
+
+
+// Big List of Colors
+// ---------
+// <http://www.w3.org/TR/css3-color/#svg-color>
+var names = tinycolor.names = {
+    aliceblue: "f0f8ff",
+    antiquewhite: "faebd7",
+    aqua: "0ff",
+    aquamarine: "7fffd4",
+    azure: "f0ffff",
+    beige: "f5f5dc",
+    bisque: "ffe4c4",
+    black: "000",
+    blanchedalmond: "ffebcd",
+    blue: "00f",
+    blueviolet: "8a2be2",
+    brown: "a52a2a",
+    burlywood: "deb887",
+    burntsienna: "ea7e5d",
+    cadetblue: "5f9ea0",
+    chartreuse: "7fff00",
+    chocolate: "d2691e",
+    coral: "ff7f50",
+    cornflowerblue: "6495ed",
+    cornsilk: "fff8dc",
+    crimson: "dc143c",
+    cyan: "0ff",
+    darkblue: "00008b",
+    darkcyan: "008b8b",
+    darkgoldenrod: "b8860b",
+    darkgray: "a9a9a9",
+    darkgreen: "006400",
+    darkgrey: "a9a9a9",
+    darkkhaki: "bdb76b",
+    darkmagenta: "8b008b",
+    darkolivegreen: "556b2f",
+    darkorange: "ff8c00",
+    darkorchid: "9932cc",
+    darkred: "8b0000",
+    darksalmon: "e9967a",
+    darkseagreen: "8fbc8f",
+    darkslateblue: "483d8b",
+    darkslategray: "2f4f4f",
+    darkslategrey: "2f4f4f",
+    darkturquoise: "00ced1",
+    darkviolet: "9400d3",
+    deeppink: "ff1493",
+    deepskyblue: "00bfff",
+    dimgray: "696969",
+    dimgrey: "696969",
+    dodgerblue: "1e90ff",
+    firebrick: "b22222",
+    floralwhite: "fffaf0",
+    forestgreen: "228b22",
+    fuchsia: "f0f",
+    gainsboro: "dcdcdc",
+    ghostwhite: "f8f8ff",
+    gold: "ffd700",
+    goldenrod: "daa520",
+    gray: "808080",
+    green: "008000",
+    greenyellow: "adff2f",
+    grey: "808080",
+    honeydew: "f0fff0",
+    hotpink: "ff69b4",
+    indianred: "cd5c5c",
+    indigo: "4b0082",
+    ivory: "fffff0",
+    khaki: "f0e68c",
+    lavender: "e6e6fa",
+    lavenderblush: "fff0f5",
+    lawngreen: "7cfc00",
+    lemonchiffon: "fffacd",
+    lightblue: "add8e6",
+    lightcoral: "f08080",
+    lightcyan: "e0ffff",
+    lightgoldenrodyellow: "fafad2",
+    lightgray: "d3d3d3",
+    lightgreen: "90ee90",
+    lightgrey: "d3d3d3",
+    lightpink: "ffb6c1",
+    lightsalmon: "ffa07a",
+    lightseagreen: "20b2aa",
+    lightskyblue: "87cefa",
+    lightslategray: "789",
+    lightslategrey: "789",
+    lightsteelblue: "b0c4de",
+    lightyellow: "ffffe0",
+    lime: "0f0",
+    limegreen: "32cd32",
+    linen: "faf0e6",
+    magenta: "f0f",
+    maroon: "800000",
+    mediumaquamarine: "66cdaa",
+    mediumblue: "0000cd",
+    mediumorchid: "ba55d3",
+    mediumpurple: "9370db",
+    mediumseagreen: "3cb371",
+    mediumslateblue: "7b68ee",
+    mediumspringgreen: "00fa9a",
+    mediumturquoise: "48d1cc",
+    mediumvioletred: "c71585",
+    midnightblue: "191970",
+    mintcream: "f5fffa",
+    mistyrose: "ffe4e1",
+    moccasin: "ffe4b5",
+    navajowhite: "ffdead",
+    navy: "000080",
+    oldlace: "fdf5e6",
+    olive: "808000",
+    olivedrab: "6b8e23",
+    orange: "ffa500",
+    orangered: "ff4500",
+    orchid: "da70d6",
+    palegoldenrod: "eee8aa",
+    palegreen: "98fb98",
+    paleturquoise: "afeeee",
+    palevioletred: "db7093",
+    papayawhip: "ffefd5",
+    peachpuff: "ffdab9",
+    peru: "cd853f",
+    pink: "ffc0cb",
+    plum: "dda0dd",
+    powderblue: "b0e0e6",
+    purple: "800080",
+    red: "f00",
+    rosybrown: "bc8f8f",
+    royalblue: "4169e1",
+    saddlebrown: "8b4513",
+    salmon: "fa8072",
+    sandybrown: "f4a460",
+    seagreen: "2e8b57",
+    seashell: "fff5ee",
+    sienna: "a0522d",
+    silver: "c0c0c0",
+    skyblue: "87ceeb",
+    slateblue: "6a5acd",
+    slategray: "708090",
+    slategrey: "708090",
+    snow: "fffafa",
+    springgreen: "00ff7f",
+    steelblue: "4682b4",
+    tan: "d2b48c",
+    teal: "008080",
+    thistle: "d8bfd8",
+    tomato: "ff6347",
+    turquoise: "40e0d0",
+    violet: "ee82ee",
+    wheat: "f5deb3",
+    white: "fff",
+    whitesmoke: "f5f5f5",
+    yellow: "ff0",
+    yellowgreen: "9acd32"
+};
+
+// Make it easy to access colors via `hexNames[hex]`
+var hexNames = tinycolor.hexNames = flip(names);
+
+
+// Utilities
+// ---------
+
+// `{ 'name1': 'val1' }` becomes `{ 'val1': 'name1' }`
+function flip(o) {
+    var flipped = { };
+    for (var i in o) {
+        if (o.hasOwnProperty(i)) {
+            flipped[o[i]] = i;
+        }
+    }
+    return flipped;
+}
+
+// Take input from [0, n] and return it as [0, 1]
+function bound01(n, max) {
+    if (isOnePointZero(n)) { n = "100%"; }
+
+    var processPercent = isPercentage(n);
+    n = mathMin(max, mathMax(0, parseFloat(n)));
+
+    // Automatically convert percentage into number
+    if (processPercent) {
+        n = parseInt(n * max, 10) / 100;
+    }
+
+    // Handle floating point rounding errors
+    if ((math.abs(n - max) < 0.000001)) {
+        return 1;
+    }
+
+    // Convert into [0, 1] range if it isn't already
+    return (n % max) / parseFloat(max);
+}
+
+// Force a number between 0 and 1
+function clamp01(val) {
+    return mathMin(1, mathMax(0, val));
+}
+
+// Parse an integer into hex
+function parseHex(val) {
+    return parseInt(val, 16);
+}
+
+// Need to handle 1.0 as 100%, since once it is a number, there is no difference between it and 1
+// <http://stackoverflow.com/questions/7422072/javascript-how-to-detect-number-as-a-decimal-including-1-0>
+function isOnePointZero(n) {
+    return typeof n == "string" && n.indexOf('.') != -1 && parseFloat(n) === 1;
+}
+
+// Check to see if string passed in is a percentage
+function isPercentage(n) {
+    return typeof n === "string" && n.indexOf('%') != -1;
+}
+
+// Force a hex value to have 2 characters
+function pad2(c) {
+    return c.length == 1 ? '0' + c : '' + c;
+}
+
+// Replace a decimal with it's percentage value
+function convertToPercentage(n) {
+    if (n <= 1) {
+        n = (n * 100) + "%";
+    }
+
+    return n;
+}
+
+var matchers = (function() {
+
+    // <http://www.w3.org/TR/css3-values/#integers>
+    var CSS_INTEGER = "[-\\+]?\\d+%?";
+
+    // <http://www.w3.org/TR/css3-values/#number-value>
+    var CSS_NUMBER = "[-\\+]?\\d*\\.\\d+%?";
+
+    // Allow positive/negative integer/number.  Don't capture the either/or, just the entire outcome.
+    var CSS_UNIT = "(?:" + CSS_NUMBER + ")|(?:" + CSS_INTEGER + ")";
+
+    // Actual matching.
+    // Parentheses and commas are optional, but not required.
+    // Whitespace can take the place of commas or opening paren
+    var PERMISSIVE_MATCH3 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
+    var PERMISSIVE_MATCH4 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
+
+    return {
+        rgb: new RegExp("rgb" + PERMISSIVE_MATCH3),
+        rgba: new RegExp("rgba" + PERMISSIVE_MATCH4),
+        hsl: new RegExp("hsl" + PERMISSIVE_MATCH3),
+        hsla: new RegExp("hsla" + PERMISSIVE_MATCH4),
+        hsv: new RegExp("hsv" + PERMISSIVE_MATCH3),
+        hex3: /^([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
+        hex6: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/
+    };
+})();
+
+// `stringInputToObject`
+// Permissive string parsing.  Take in a number of formats, and output an object
+// based on detected format.  Returns `{ r, g, b }` or `{ h, s, l }` or `{ h, s, v}`
+function stringInputToObject(color) {
+
+    color = color.replace(trimLeft,'').replace(trimRight, '').toLowerCase();
+    var named = false;
+    if (names[color]) {
+        color = names[color];
+        named = true;
+    }
+    else if (color == 'transparent') {
+        return { r: 0, g: 0, b: 0, a: 0 };
+    }
+
+    // Try to match string input using regular expressions.
+    // Keep most of the number bounding out of this function - don't worry about [0,1] or [0,100] or [0,360]
+    // Just return an object and let the conversion functions handle that.
+    // This way the result will be the same whether the tinycolor is initialized with string or object.
+    var match;
+    if ((match = matchers.rgb.exec(color))) {
+        return { r: match[1], g: match[2], b: match[3] };
+    }
+    if ((match = matchers.rgba.exec(color))) {
+        return { r: match[1], g: match[2], b: match[3], a: match[4] };
+    }
+    if ((match = matchers.hsl.exec(color))) {
+        return { h: match[1], s: match[2], l: match[3] };
+    }
+    if ((match = matchers.hsla.exec(color))) {
+        return { h: match[1], s: match[2], l: match[3], a: match[4] };
+    }
+    if ((match = matchers.hsv.exec(color))) {
+        return { h: match[1], s: match[2], v: match[3] };
+    }
+    if ((match = matchers.hex6.exec(color))) {
+        return {
+            r: parseHex(match[1]),
+            g: parseHex(match[2]),
+            b: parseHex(match[3]),
+            format: named ? "name" : "hex"
+        };
+    }
+    if ((match = matchers.hex3.exec(color))) {
+        return {
+            r: parseHex(match[1] + '' + match[1]),
+            g: parseHex(match[2] + '' + match[2]),
+            b: parseHex(match[3] + '' + match[3]),
+            format: named ? "name" : "hex"
+        };
+    }
+
+    return false;
+}
+
+// Node: Export function
+if (typeof module !== "undefined" && module.exports) {
+    module.exports = tinycolor;
+}
+// AMD/requirejs: Define the module
+else if (typeof define !== "undefined") {
+    define(function () {return tinycolor;});
+}
+// Browser: Expose to window
+else {
+    root.tinycolor = tinycolor;
+}
+
+})(this);