/**
* swffit v2.3.2 (09/11/2009)
* Copyright (c) 2009 Miller Medeiros
* This software is released under the MIT License
*
* swffit is used to resize flash to 100% wid/hei when the browser window is greater than the swf
* minimum size and to resize swf to the minimum size when browser window is smaller than the minimum size.
*
* @requires swfobject 2.1 or higher
*/
var swffit = function(){
var win = window,
doc = document,
html = doc.getElementsByTagName('html')[0],
AGENT = navigator.userAgent.toLowerCase(),
WK = /webkit/.test(AGENT),
IE = /msie/.test(AGENT) && !win.opera,
FF = /firefox/.test(AGENT) && !win.opera,
UNDEF = "undefined",
_ft,
_re,
_t,
_mw,
_mh,
_xw,
_xh,
_hc,
_vc,
_ow,
_oh;
swfobject.createCSS("object", "position:absolute");
/**
* Set the object that will be resized and configure the desired size
* @param {String} t Flash ID
* @param {Number} [mw] Minimum Width (Optional - Default value is the size used on swfobject)
* @param {Number} [mh] Minimum Height (Optional - Default value is the size used on swfobject)
* @param {Number} [xw] Maximum Width (Optional - Default value is null)
* @param {Number} [xh] Maximum Height (Optional - Default value is null)
* @param {Boolean} [hc] Horizontal Centered (Optional - Default value is true)
* @param {Boolean} [vc] Vertical Centered (Optional - Default value is true)
*/
function fit(t, mw, mh, xw, xh, hc, vc){
mw = mw || _ow;
mh = mh || _oh;
xw = xw || null;
xh = xh || null;
hc = (hc || hc == null);
vc = (vc || vc == null);
configure({target: t, minWid: mw, minHei: mh, maxWid: xw, maxHei: xh, hCenter: false, vCenter: vc});
}
/**
* Configure the desired properties values (you can change as many properties as you want at the same time)
* @param {Object} o Object containing the desired properties that needs to be changed { target, minWid, minHei, maxWid, maxHei, hCenter, vCenter }
* Properties:
* [target] {String} Flash ID
* [minWid] {Number} Minimum Width
* [minHei] {Number} Minimum Height
* [maxWid] {Number} Maximum Width
* [maxHei] {Number} Maximum Height
* [hCenter] {Boolean} Horizontal Centered
* [vCenter] {Boolean} Vertical Centered
* @example configure({target: 'my_flash', minWid: 800, minHei:400, maxWid: 1000, maxHei: 550, hCenter: true, vCenter: false});
*/
function configure(o){
//checks if value changed and return correct value {Number}
var evalNum = function(v, p){
return (typeof o[p] != UNDEF)? o[p] : v;
};
_mw = evalNum(_mw, 'minWid');
_mh = evalNum(_mh, 'minHei');
_xw = evalNum(_xw, 'maxWid');
_xh = evalNum(_xh, 'maxHei');
//checks if value changed and return correct value {Boolean}
var evalBool = function(v, p){
return (o[p] || (v && typeof o[p] == UNDEF));
};
_hc = evalBool(_hc, 'hCenter');
_vc = evalBool(_vc, 'vCenter');
if (o.target && (o.target != _t)){
_t = o.target;
swfobject.addDomLoadEvent(initFit);
if(IE){ swfobject.addLoadEvent(initFit); } //fix conflict with swfaddress 2.3 and IE8 (in some browser modes)
} else {
startFit();
}
}
/**
* Set the initial parameters
* @private
*/
function initFit(){
if(!html.style.overflowX){ controlScroll(0,0); }
if(!html.style.overflowY){ controlScroll(0,1); }
html.style.height = doc.body.style.height = '100%';
doc.body.style.margin = doc.body.style.padding = 0;
var st = 'width:100%; height:100%';
st += (IE)? '; overflow:hidden' : ''; //fix IE8
swfobject.createCSS("#"+_t, st);
_ft = doc.getElementById(_t);
_ft = (_ft != UNDEF && FF && /object/.test(_ft.innerHTML))? doc.getElementById(_t).getElementsByTagName('object')[0] : _ft; //required for static publishing on Firefox
_ow = _ft.width;
_oh = _ft.height;
_mw = _mw || _ow;
_mh = _mh || _oh;
startFit();
}
/**
* Start fitting the flash movie
*/
function startFit(){
setSize();
if(!_re){
swffit.addResizeEvent(setSize);
_re = 1;
}
}
/**
* Stop fitting the flash movie
* @param {Number|String|null} [w] Width (Default value is '100%')
* @param {Number|String|null} [h] Height (Default value is '100%')
*/
function stopFit(w,h){
if(_re){
swffit.removeResizeEvent(setSize);
_re = 0;
setStyle('top', 'auto');
setStyle('left', 'auto');
setStyle('marginTop', 0);
setStyle('marginLeft', 0);
w = w || '100%';
h = h || '100%';
setWidth(w);
setHeight(h);
forceRedraw();
}
}
/**
* Force browser redraw
* @private
*/
function forceRedraw(){
if(WK){ html.focus(); }
}
/**
* Add/Remove resize event listeners (Based on Peter-Paul Koch solution: http://www.quirksmode.org/js/eventSimple.html)
* @param {Boolean} a Is Add
* @param {Function} fn Function that will be added/removed from the onresize event queue
* @private
*/
function controlResizeEvent(a,fn){
var p = (a)? ['addEventListener', 'attachEvent'] : ['removeEventListener', 'detachEvent'];
if(win[p[0]]){
win[p[0]]('resize',fn,false);
}else if(win[p[1]]){
win[p[1]]('onresize',fn);
}
}
/**
* Sets the width of the swf
* @param {Number|String} w Width
* @private
*/
function setWidth(w){
var v = (isNaN(w))? w : w+"px";
setStyle('width', v);
}
/**
* Sets the height of the swf
* @param {Number|String} h Height
* @private
*/
function setHeight(h){
var v = (isNaN(h))? h : h+"px";
setStyle('height', v);
}
/**
* Set style of the object
* @param {String} p Property
* @param {String|Number} v Value
* @private
*/
function setStyle(p,v){
_ft.style[p] = v;
}
/**
* Update the flash movie size
* @private
*/
/*function setSize(){
var iw = (win.innerWidth)? win.innerWidth : doc.body.clientWidth,
ih = (win.innerHeight)? win.innerHeight : doc.body.clientHeight;
//fix window innerSize difference when scrollbar is visible
iw -= (!IE && ih <= _mh)? 18 : 0;
ih -= (!IE && iw <= _mw)? 18 : 0;
//sets width
console.log(_xw+" && "+iw+" >= '"+_xw);
if (_xw && iw >= _xw){
setWidth(_xw);
setPosition(0,1);
} else {
if (iw > _mw && (iw < _xw || !_xw)) {
setWidth('100%');
} else {
setWidth(_mw);
}
setPosition(0,0);
}
// sets height
if (_xh && ih >= _xh){
setHeight(_xh);
setPosition(1,1);
}else{
if (ih > _mh && (ih < _xh || !_xh)){
setHeight('100%');
} else {
setHeight(_mh);
}
setPosition(1,0);
}
forceRedraw();
}*/
function setSize(){
var iw = (win.innerWidth)? win.innerWidth : doc.body.clientWidth,
ih = (win.innerHeight)? win.innerHeight : doc.body.clientHeight;
//fix window innerSize difference when scrollbar is visible
iw -= (!IE && ih <= _mh)? 18 : 0;
ih -= (!IE && iw <= _mw)? 18 : 0;
var ratio = (_mh && _mw) ? _mh / _mw : 0.75;
var ih = parseInt(iw * ratio);
ih -= (!IE && ih <= _mh) ? 18 : 0;
//setWidth(iw);
if (_xw && iw > _xw) {
setWidth(_xw);
}
else {
if (_mw && _mw > iw) {
setWidth(_mw);
}
else {
setWidth(iw);
}
}
if (_xh && ih > _xh) {
setHeight(_xh);
}
else {
if (_mh && _mh > ih) {
setHeight(_mh);
}
else {
setHeight(ih);
}
}
setPosition(0,0);
forceRedraw();
}
/**
* Update the flash movie position
* @param {Boolean} t Is Top
* @param {Boolean} x Is Max Size
* @private
*/
function setPosition(t, x){
var p,
m;
if(t){
p = (x && _vc)? '50%' : 'auto';
m = (x && _vc)? -(_xh*0.5)+'px' : 0;
setStyle('top', p);
setStyle('marginTop', m);
}else{
p = (x && _hc)? '50%' : 'auto';
m = (x && _hc)? -(_xw*0.5)+'px' : 0;
setStyle('left', p);
setStyle('marginLeft', m);
}
}
/**
* Show/Hide scrollbar
* ALERT: it will make flash file reload!!
* @param {Boolean} s Show
* @param {Boolean} v Is Vertical
* @private
*/
function controlScroll(s,v){
var p = (v)? 'overflowY' : 'overflowX';
html.style[p] = (s)? 'scroll' : 'auto';
}
/**
* Return the value of the desired property
* @param {String} p Desired Property
* @return {String|Number|Boolean} Desired Property Value
*/
function getValueOf(p){
var o = {target:_t, minWid:_mw, minHei:_mh, maxWid:_xw, maxHei:_xh, hCenter:_hc, vCenter:_vc};
return o[p];
}
/**
* PUBLIC API
*/
return{
fit: fit,
configure: configure,
startFit: startFit,
stopFit: stopFit,
getValueOf: getValueOf,
addResizeEvent: function(fn){
controlResizeEvent(1,fn);
},
removeResizeEvent: function(fn){
controlResizeEvent(0,fn);
},
showScrollH: function(){
controlScroll(1,0);
},
showScrollV: function(){
controlScroll(1,1);
}
};
}();