clk.js

/*
	@clk.js
	@author: Dingbao.ai[aka. ehaagwlke]
	@date: 2011-01-02
	@version:0.0.0.6
*/

var imgInfoObj={},alt='',title='',altTitleStr='',dispWidth=0,dispHeight=0;

var ciid=chrome.contextMenus.create({
	"type":"normal",
	"title":chrome.i18n.getMessage("contextMenuStr"),
	"contexts":["image"],
	"onclick":evt
});

chrome.tabs.onSelectionChanged.addListener(function(tid,info){
	alt='';
	title='';
	altTitleStr='';
	dispWidth=0;
	dispHeight=0;
});

chrome.extension.onRequest.addListener(function(request){
	alt=request.alt?request.alt:'';
	title=request.title?request.title:'';
	if(alt&&title) altTitleStr=alt+' / '+title;
	if(alt&& !title) altTitleStr=alt+ ' / --';
	if(!alt && title) altTitleStr='-- / '+title;
	if(!alt && !title) altTitleStr='-- / --';
	
	dispWidth=request.dispWidth?request.dispWidth:0;
	dispHeight=request.dispHeight?request.dispHeight:0;
});

function evt(info,tab){
		//the location of the image
	var imgSrc=info.srcUrl,

		//image src link type, base64 or ordinary link
		linkType,
		
		//image url length, the window width will be the url length times 7
		linkLength,
		
		//url of the tab which the image embedded
		tabUrl=tab.url,
		
		//the width of the popup window
		popWinWidth,popWinHeight;
		
		linkType = (imgSrc.indexOf('data:image/') == 0 && imgSrc.indexOf('base64') > -1) ? "base64" : "normal"; 
		linkLength = linkType == "normal" ? imgSrc.length : 75;
		
		popWinWidth = linkLength < 75 ? linkLength*8+100:800;
		popWinHeight = 220;
	
		chrome.windows.create({"type":"panel","focused": true,"url":"vii.html","width":popWinWidth,"height":popWinHeight});

		imgInfoObj={"imgSrc":imgSrc,"linkType":linkType,"tabUrl":tabUrl,"popWinWidth":popWinWidth,"popWinHeight":popWinHeight,"linkLength":linkLength,"altTitleStr":altTitleStr,"dispWidth":dispWidth,"dispHeight":dispHeight};
}