background.js

// Called when the user clicks on the browser action.
/*
 chrome.browserAction.onClicked.addListener(function(tab) {
 chrome.tabs.executeScript(null, {code:"document.body.style.background='red !important'"});
 chrome.tabs.captureVisibleTab(undefined,function(dataUrl){
 alert("You just screwed the Background :D\n"+dataUrl);
 });
 });
 */

chrome.browserAction.setBadgeBackgroundColor({
	color : [0, 200, 0, 100]
});

var i = 0;

/*
 chrome.extension.onRequest.addListener(function(req,sender,resp){
 globstr=String(req.data);
 });
 */
var curval = 0;
cnt = 0;
window.setInterval(function() {
	cnt++;

	cur = "";
	chrome.windows.getCurrent(function(w) {
		if (w.focused) {
			chrome.tabs.query({
				"active" : true,
				"windowId" : chrome.windows.WINDOW_ID_CURRENT
			}, function(t) {
				if ( typeof t != "undefined") {
					var hdb = {};
					if (cnt % 10 == 0) {
						hdb = JSON.parse(localStorage.getItem("histdb"));
						if (hdb == null)
							hdb = {};
					}
					for ( i = 0; i < t.length; i++) {
						cur += String(t[i].url) + "\n<br/>";
						if (cnt % 10 == 0) {
							tmp = 0;
							var domain = t[i].url.match(/:\/\/(.[^/]+)/)[1];

							try {
								tmp = hdb[domain];
							} catch(e) {
							}
							tmp++;
							hdb[domain] = tmp;
							curval = tmp;
						}
					}
					if (cnt % 10 == 0) {
						localStorage.setItem("histdb", JSON.stringify(hdb));
					}
					localStorage.setItem("hist", cur);
					i = t.length;
				}
			});

		}
	});

	chrome.browserAction.setBadgeText({
		text : String(curval)
	});

}, 100);