From 2727053c61cac4a37a76b9e58e607acff7fc8dfb Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Tue, 07 Oct 2008 02:24:18 -0400
Subject: [PATCH] - #1485471: fix drafts saving

---
 program/js/common.js |  392 +++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 files changed, 359 insertions(+), 33 deletions(-)

diff --git a/program/js/common.js b/program/js/common.js
index 0947bbd..4b877ba 100644
--- a/program/js/common.js
+++ b/program/js/common.js
@@ -3,18 +3,26 @@
  | RoundCube common js library                                           |
  |                                                                       |
  | This file is part of the RoundCube web development suite              |
- | Copyright (C) 2005, RoundCube Dev, - Switzerland                      |
- | All rights reserved.                                                  |
- |                                                                       |
- | Modified: 19.08.2005 (tbr)                                            |
+ | Copyright (C) 2005-2007, RoundCube Dev, - Switzerland                 |
+ | Licensed under the GNU GPL                                            |
  |                                                                       |
  +-----------------------------------------------------------------------+
  | Author: Thomas Bruederli <roundcube@gmail.com>                        |
  +-----------------------------------------------------------------------+
+ 
+ $Id$
 */
 
+// Constants
+var CONTROL_KEY = 1;
+var SHIFT_KEY = 2;
+var CONTROL_SHIFT_KEY = 3;
 
-// default browsercheck
+
+/**
+ * Default browser check class
+ * @construcotr
+ */
 function roundcube_browser()
   {
   this.ver = parseFloat(navigator.appVersion);
@@ -41,50 +49,194 @@
   this.ie4 = (this.ie && !this.dom);
   this.ie5 = (this.dom && this.appver.indexOf('MSIE 5')>0);
   this.ie6 = (this.dom && this.appver.indexOf('MSIE 6')>0);
+  this.ie7 = (this.dom && this.appver.indexOf('MSIE 7')>0);
 
   this.mz = (this.dom && this.ver>=5);  // (this.dom && this.product=='Gecko')
   this.ns = ((this.ver<5 && this.name=='Netscape') || (this.ver>=5 && this.vendor.indexOf('Netscape')>=0));
-  this.ns4 = (this.ns && parseInt(this.ver)==4);
   this.ns6 = (this.ns && parseInt(this.vendver)==6);  // (this.mz && this.ns) ? true : false;
   this.ns7 = (this.ns && parseInt(this.vendver)==7);  // this.agent.indexOf('Netscape/7')>0);
-  this.safari = this.agent.toLowerCase().indexOf('safari')>0;
-  this.konq   = (this.agent.toLowerCase().indexOf('konqueror')>0); 
+  this.safari = (this.agent.toLowerCase().indexOf('safari')>0 || this.agent.toLowerCase().indexOf('applewebkit')>0);
+  this.konq   = (this.agent.toLowerCase().indexOf('konqueror')>0);
 
   this.opera = (window.opera) ? true : false;
-  this.opera5 = (this.opera5 && this.agent.indexOf('Opera 5')>0) ? true : false;
-  this.opera6 = (this.opera && this.agent.indexOf('Opera 6')>0) ? true : false;
-  this.opera7 = (this.opera && this.agent.indexOf('Opera 7')>0) ? true : false;
 
   if(this.opera && window.RegExp)
     this.vendver = (/opera(\s|\/)([0-9\.]+)/i.test(navigator.userAgent)) ? parseFloat(RegExp.$2) : -1;
   else if(!this.vendver && this.safari)
-    this.vendver = (/safari\/([0-9]+)/i.test(this.agent)) ? parseInt(RegExp.$1) : 0;
+    this.vendver = (/(safari|applewebkit)\/([0-9]+)/i.test(this.agent)) ? parseInt(RegExp.$2) : 0;
   else if((!this.vendver && this.mz) || this.agent.indexOf('Camino')>0)
     this.vendver = (/rv:([0-9\.]+)/.test(this.agent)) ? parseFloat(RegExp.$1) : 0;
   else if(this.ie && window.RegExp)
     this.vendver = (/msie\s+([0-9\.]+)/i.test(this.agent)) ? parseFloat(RegExp.$1) : 0;
+  else if(this.konq && window.RegExp)
+    this.vendver = (/khtml\/([0-9\.]+)/i.test(this.agent)) ? parseFloat(RegExp.$1) : 0;
+
 
   // get real language out of safari's user agent
   if(this.safari && (/;\s+([a-z]{2})-[a-z]{2}\)/i.test(this.agent)))
     this.lang = RegExp.$1;
 
   this.dhtml = ((this.ie4 && this.win) || this.ie5 || this.ie6 || this.ns4 || this.mz);
-  this.layers = this.ns4;  // (document.layers);
-  this.div = (this.ie4 || this.dom);
   this.vml = (this.win && this.ie && this.dom && !this.opera);
-  this.linkborder = (this.ie || this.mz);
-  this.rollover = (this.ver>=4 || (this.ns && this.ver>=3));  // (document.images) ? true : false;
   this.pngalpha = (this.mz || (this.opera && this.vendver>=6) || (this.ie && this.mac && this.vendver>=5) ||
                    (this.ie && this.win && this.vendver>=5.5) || this.safari);
   this.opacity = (this.mz || (this.ie && this.vendver>=5.5 && !this.opera) || (this.safari && this.vendver>=100));
   this.cookies = navigator.cookieEnabled;
+  
+  // test for XMLHTTP support
+  this.xmlhttp_test = function()
+    {
+    var activeX_test = new Function("try{var o=new ActiveXObject('Microsoft.XMLHTTP');return true;}catch(err){return false;}");
+    this.xmlhttp = (window.XMLHttpRequest || (window.ActiveXObject && activeX_test())) ? true : false;
+    return this.xmlhttp;
+    }
   }
 
 
+// static functions for event handling
+var rcube_event = {
+
+/**
+ * returns the event target element
+ */
+get_target: function(e)
+{
+  e = e || window.event;
+  return e && e.target ? e.target : e.srcElement;
+},
+
+/**
+ * returns the event key code
+ */
+get_keycode: function(e)
+{
+  e = e || window.event;
+  return e && e.keyCode ? e.keyCode : (e && e.which ? e.which : 0);
+},
+
+/**
+ * returns the event key code
+ */
+get_button: function(e)
+{
+  e = e || window.event;
+  return e && (typeof e.button != 'undefined') ? e.button : (e && e.which ? e.which : 0);
+},
+
+/**
+ * returns modifier key (constants defined at top of file)
+ */
+get_modifier: function(e)
+{
+  var opcode = 0;
+  e = e || window.event;
+
+  if (bw.mac && e)
+    {
+    opcode += (e.metaKey && CONTROL_KEY) + (e.shiftKey && SHIFT_KEY);
+    return opcode;    
+    }
+  if (e)
+    {
+    opcode += (e.ctrlKey && CONTROL_KEY) + (e.shiftKey && SHIFT_KEY);
+    return opcode;
+    }
+},
+
+/**
+ * Return absolute mouse position of an event
+ */
+get_mouse_pos: function(e)
+{
+  if (!e) e = window.event;
+  var mX = (e.pageX) ? e.pageX : e.clientX;
+  var mY = (e.pageY) ? e.pageY : e.clientY;
+
+  if (document.body && document.all)
+  {
+    mX += document.body.scrollLeft;
+    mY += document.body.scrollTop;
+  }
+
+  return { x:mX, y:mY };
+},
+
+/**
+ * Add an object method as event listener to a certain element
+ */
+add_listener: function(p)
+{
+  if (!p.object || !p.method)  // not enough arguments
+    return;
+  if (!p.element)
+    p.element = document;
+
+  if (!p.object._rc_events)
+    p.object._rc_events = [];
+  
+  var key = p.event + '*' + p.method;
+  if (!p.object._rc_events[key])
+    p.object._rc_events[key] = function(e){ return p.object[p.method](e); };
+
+  if (p.element.addEventListener)
+    p.element.addEventListener(p.event, p.object._rc_events[key], false);
+  else if (p.element.attachEvent)
+    {
+    // IE allows multiple events with the same function to be applied to the same object
+    // forcibly detach the event, then attach
+    p.element.detachEvent('on'+p.event, p.object._rc_events[key]);
+    p.element.attachEvent('on'+p.event, p.object._rc_events[key]);
+    }
+  else
+    p.element['on'+p.event] = p.object._rc_events[key];
+},
+
+/**
+ * Remove event listener
+ */
+remove_listener: function(p)
+{
+  if (!p.element)
+    p.element = document;
+
+  var key = p.event + '*' + p.method;
+  if (p.object && p.object._rc_events && p.object._rc_events[key]) {
+    if (p.element.removeEventListener)
+      p.element.removeEventListener(p.event, p.object._rc_events[key], false);
+    else if (p.element.detachEvent)
+      p.element.detachEvent('on'+p.event, p.object._rc_events[key]);
+    else
+      p.element['on'+p.event] = null;
+  }
+},
+
+/**
+ * Prevent event propagation and bubbeling
+ */
+cancel: function(evt)
+{
+  var e = evt ? evt : window.event;
+  if (e.preventDefault)
+    e.preventDefault();
+  if (e.stopPropagation)
+    e.stopPropagation();
+
+  e.cancelBubble = true;
+  e.returnValue = false;
+  return false;
+}
+
+};
 
 
 var rcube_layer_objects = new Array();
 
+
+/**
+ * RoundCube generic layer (floating box) class
+ *
+ * @constructor
+ */
 function rcube_layer(id, attributes)
   {
   this.name = id;
@@ -102,23 +254,28 @@
     var obj;
 
     obj = document.createElement('DIV');
+
     with(obj)
       {
       id = this.name;
       with(style)
         {
-        position = 'absolute';
+	position = 'absolute';
         visibility = (vis) ? (vis==2) ? 'inherit' : 'visible' : 'hidden';
         left = l+'px';
         top = t+'px';
-        if(w) width = w+'px';
-        if(h) height = h+'px';
+        if (w)
+	  width = w.toString().match(/\%$/) ? w : w+'px';
+        if (h)
+	  height = h.toString().match(/\%$/) ? h : h+'px';
         if(z) zIndex = z;
-        }
+	}
       }
-      
-    if(parent) parent.appendChild(obj);
-    else document.body.appendChild(obj);
+
+    if (parent)
+      parent.appendChild(obj);
+    else
+      document.body.appendChild(obj);
 
     this.elm = obj;
     };
@@ -253,6 +410,31 @@
   }
 
 
+// check if input is a valid email address
+// By Cal Henderson <cal@iamcal.com>
+// http://code.iamcal.com/php/rfc822/
+function rcube_check_email(input, inline)
+  {
+  if (input && window.RegExp)
+    {
+    var qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]';
+    var dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]';
+    var atom = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+';
+    var quoted_pair = '\\x5c[\\x00-\\x7f]';
+    var domain_literal = '\\x5b('+dtext+'|'+quoted_pair+')*\\x5d';
+    var quoted_string = '\\x22('+qtext+'|'+quoted_pair+')*\\x22';
+    var sub_domain = '('+atom+'|'+domain_literal+')';
+    var word = '('+atom+'|'+quoted_string+')';
+    var domain = sub_domain+'(\\x2e'+sub_domain+')*';
+    var local_part = word+'(\\x2e'+word+')*';
+    var addr_spec = local_part+'\\x40'+domain;
+    var delim = '[,;\s\n]';
+    var reg1 = inline ? new RegExp('(^|<|'+delim+')'+addr_spec+'($|>|'+delim+')', 'i') : new RegExp('^'+addr_spec+'$', 'i');
+    return reg1.test(input) ? true : false;
+    }
+  return false;
+  }
+  
 
 // find a value in a specific array and returns the index
 function find_in_array()
@@ -274,6 +456,13 @@
 
   return -1;
   }
+
+
+// make a string URL safe
+function urlencode(str)
+{
+  return window.encodeURIComponent ? encodeURIComponent(str) : escape(str);
+}
 
 
 // get any type of html objects by id/name
@@ -305,7 +494,7 @@
     {
     if(d.layers[id]) obj = d.layers[id];
     for(n=0; !obj && n<d.layers.length; n++)
-      obj = nex_get_object(id, d.layers[n].document);
+      obj = rcube_find_object(id, d.layers[n].document);
     }
 
   return obj;
@@ -313,31 +502,168 @@
 
 
 // return the absolute position of an object within the document
-function rcube_get_object_pos(obj)
+function rcube_get_object_pos(obj, relative)
   {
   if(typeof(obj)=='string')
-    obj = nex_get_object(obj);
+    obj = rcube_find_object(obj);
 
   if(!obj) return {x:0, y:0};
 
   var iX = (bw.layers) ? obj.x : obj.offsetLeft;
   var iY = (bw.layers) ? obj.y : obj.offsetTop;
 
-  if(bw.ie || bw.mz)
+  if(!relative && (bw.ie || bw.mz))
     {
     var elm = obj.offsetParent;
     while(elm && elm!=null)
       {
-      iX += elm.offsetLeft;
-      iY += elm.offsetTop;
+      iX += elm.offsetLeft - (elm.parentNode && elm.parentNode.scrollLeft ? elm.parentNode.scrollLeft : 0);
+      iY += elm.offsetTop - (elm.parentNode && elm.parentNode.scrollTop ? elm.parentNode.scrollTop : 0);
       elm = elm.offsetParent;
       }
     }
 
-  if(bw.mac && bw.ie5) iX += document.body.leftMargin;
-  if(bw.mac && bw.ie5) iY += document.body.topMargin;
-
   return {x:iX, y:iY};
   }
 
-var bw = new roundcube_browser();
\ No newline at end of file
+// determine whether the mouse is over the given object or not
+function rcube_mouse_is_over(ev, obj)
+{
+  var mouse = rcube_event.get_mouse_pos(ev);
+  var pos = rcube_get_object_pos(obj);
+  
+  return ((mouse.x >= pos.x) && (mouse.x < (pos.x + obj.offsetWidth)) &&
+    (mouse.y >= pos.y) && (mouse.y < (pos.y + obj.offsetHeight)));
+}
+
+
+/**
+ * Return the currently applied value of a css property
+ *
+ * @param {Object} html_element  Node reference
+ * @param {String} css_property  Property name to read in Javascript notation (eg. 'textAlign')
+ * @param {String} mozilla_equivalent  Equivalent property name in CSS notation (eg. 'text-align')
+ * @return CSS property value
+ * @type String
+ */
+function get_elements_computed_style(html_element, css_property, mozilla_equivalent)
+  {
+  if (arguments.length==2)
+    mozilla_equivalent = css_property;
+
+  var el = html_element;
+  if (typeof(html_element)=='string')
+    el = rcube_find_object(html_element);
+
+  if (el && el.currentStyle)
+    return el.currentStyle[css_property];
+  else if (el && document.defaultView && document.defaultView.getComputedStyle)
+    return document.defaultView.getComputedStyle(el, null).getPropertyValue(mozilla_equivalent);
+  else
+    return false;
+  }
+  
+
+// cookie functions by GoogieSpell
+function setCookie(name, value, expires, path, domain, secure)
+  {
+  var curCookie = name + "=" + escape(value) +
+      (expires ? "; expires=" + expires.toGMTString() : "") +
+      (path ? "; path=" + path : "") +
+      (domain ? "; domain=" + domain : "") +
+      (secure ? "; secure" : "");
+  document.cookie = curCookie;
+  }
+
+roundcube_browser.prototype.set_cookie = setCookie;
+
+function getCookie(name)
+  {
+  var dc = document.cookie;
+  var prefix = name + "=";
+  var begin = dc.indexOf("; " + prefix);
+  if (begin == -1)
+    {
+    begin = dc.indexOf(prefix);
+    if (begin != 0) return null;
+    }
+  else
+    begin += 2;  
+  var end = document.cookie.indexOf(";", begin);
+  if (end == -1)
+    end = dc.length;
+  return unescape(dc.substring(begin + prefix.length, end));
+  }
+
+roundcube_browser.prototype.get_cookie = getCookie;
+
+
+// tiny replacement for Firebox functionality
+function rcube_console()
+{
+  this.log = function(msg)
+  {
+    box = rcube_find_object('console');
+
+    if (box)
+      if (msg.charAt(msg.length-1)=='\n')
+        box.value += msg+'--------------------------------------\n';
+      else
+        box.value += msg+'\n--------------------------------------\n';
+  };
+
+  this.reset = function()
+  {
+    box = rcube_find_object('console');
+    if (box)
+      box.value = '';
+  };
+}
+
+var bw = new roundcube_browser();
+
+if (!window.console)
+  console = new rcube_console();
+
+
+// Add escape() method to RegExp object
+// http://dev.rubyonrails.org/changeset/7271
+RegExp.escape = function(str)
+  {
+  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
+  }
+
+
+// Make getElementById() case-sensitive on IE
+if (bw.ie)
+  {
+  document._getElementById = document.getElementById;
+  document.getElementById = function(id)
+    {
+    var i = 0;
+    var o = document._getElementById(id);
+
+    if (!o || o.id != id)
+      while ((o = document.all[i]) && o.id != id)
+        i++;
+
+    return o;
+    }
+  }
+
+
+// Fire event on specified element
+function exec_event(element,event)
+{  
+  if (document.createEventObject) {
+    // dispatch for IE  
+    var evt = document.createEventObject();
+    return element.fireEvent('on'+event,evt)
+  }
+  else {  
+    // dispatch for firefox + others  
+    var evt = document.createEvent("HTMLEvents");
+    evt.initEvent(event, true, true); // event type,bubbling,cancelable
+    return !element.dispatchEvent(evt);
+   }
+}

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