/**
* @Description
* This file will create a class called VideoIntro. It's used to control
* the work flow of video introduction on home page, account home and why join us.
* Once you want to use this, you need to create a new object named videoIntro of this class.
* And at the same time declare the video path and skip type of it. Then call playVideoIntro.
* @Author rui_zhang
* @Created 2007-11-16
* @Company Infolexllc
* @Copy Right 2007
*/
/**
* Define attributes of Video Intro
*/
function VideoIntro(videoPath,skipType,videoLeft,videoTop) {
//this is the left of the video intro div
this._videoLeft=videoLeft;
//this is the top of the video intro div
this._videoTop=videoTop;
//this is the path of video on current page
this._videoPath=videoPath;
//this is the type code of the page position. It can be 0,1,2,3 for now.
this._skipType=skipType;
//this is the debug switch
this._debug=false;
//this is the id of video intro div
this._viDivId="viDiv";
//this is the id of video intro object
this._viObjectId="viObject";
//this is the code of video intro object
this._introObjectCode=
'';
//this is the code of video intro div
//this._introDivCode="
"+this._introObjectCode+"
";
}
/**
* Define the functions of Video Intro
*/
VideoIntro.prototype = {
/**
* Play the video introduction
*/
playVideoIntro:function(){
if(this._videoPath && this._skipType){
if(this._debug){
alert("Got videoPath and skip type to play video. _videoPath:"+this._videoPath+" _skipType:"+this._skipType);
}
var viDiv=document.getElementById(this._viDivId);
if(viDiv){
if(this._debug){
alert("We had div with id "+this._viDivId+" already.");
}
this.hideIntro();
//create the div for video introduction
viDiv.style.display="block";
viDiv.innerHTML=this._introObjectCode;
}else{
//create the div for video introduction
var viDiv = document.createElement('div');
viDiv.id = this._viDivId;
//style #viDiv{position:absolute;width:336px;height:280px;border:1px solid #1465AD;}
viDiv['style']['left']=this._videoLeft;
viDiv['style']['top']=this._videoTop;
if(browerType.isFirefox){
viDiv['style']['overflow']='auto';
}
document.body.appendChild(viDiv);
viDiv.innerHTML=this._introObjectCode;
}
}else{
if(this._debug){
alert("The video path or skip code is null. _videoPath:"+this._videoPath+" _skipType:"+_skipType);
}
}
//do an ajax call to update cookie to none
doPost(contextpath+'/videointro.do?operation=play&skiptype='+this._skipType,'','',true);
},
/**
* Skip the video introduction
*/
skipVideoIntro:function(){
//remove the video intro object from the video intro div
//do an ajax post to video action, tell it get ready to show the skip message of current skip type
doPost(contextpath+'/videointro.do?operation=skip&skiptype='+this._skipType,'',this._viDivId,true);
},
/**
*
*/
finishVideoIntro:function(){
//do an ajax post to video action, tell it it the video introduction has finished. Pass the skipType=0 to it.
doPost(contextpath+'/videointro.do?operation=finish&skiptype='+this._skipType,'',this._viDivId,true);
},
/**
* Remove the video intro object from video intro div
*/
_removeVIObject:function(){
var viObject=document.getElementById(this._viObjectId);
if(viObject){
viObject.parentNode.removeChild(viObject);
}else{
if(this._debug){
alert("I can't find the video intro object on this page.");
}
}
},
/**
* Remove the video intro div from video intro div
*/
hideIntro:function(){
var viDiv=document.getElementById(this._viDivId);
if(viDiv){
viDiv.style.display="none";
}else{
if(this._debug){
alert("I can't find the video intro div on this page.");
}
}
}
}
function finish(){
videoIntro.finishVideoIntro();
}
function skipShow(){
videoIntro.skipVideoIntro();
}
function playIntro(){
videoIntro.playVideoIntro();
}
var videoIntro;
function getVideoIntro(flvPath,skipType,videoLeft,videoTop){
videoIntro=new VideoIntro(flvPath,skipType,videoLeft,videoTop);
return videoIntro;
}
function SetCookie(name, value)
//set cookie value
{
var expdate = new Date();
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
if(expires!=null) expdate.setTime(expdate.getTime() + ( expires * 1000 ));
document.cookie = name + "=" + escape (value) +((expires == null) ? "" : ("; expires="+ expdate.toGMTString()))
+((path == null) ? "" : ("; path=" + path)) +((domain == null) ? "" : ("; domain=" + domain))
+((secure == true) ? "; secure" : "");
}
function DelCookie(name)
//remove cookie
{
var exp = new Date();
exp.setTime (exp.getTime() - 1);
var cval = GetCookie (name);
document.cookie = name + "=" + cval + "; expires="+ exp.toGMTString();
}
function GetCookie(name)
//get value of cookie
{
var arg = name + "=";
var cookies = document.cookie.split(";");
var argIndex=-1;
for (var i=0;i-1)
return cookies[i].substr(argIndex+arg.length);
}
return null;
}