//create the menu itens
chrome.contextMenus.create({
    "title": "Cache: Last Hour",
    "onclick": function () {
        clear("Cache", 1000 * 60 * 60)
    }
});
chrome.contextMenus.create({
    "title": "Cache: Last Day",
    "onclick": function () {
        clear("Cache", 1000 * 60 * 60 * 24)
    }
});
chrome.contextMenus.create({
    "title": "Cache: Last Week",
    "onclick": function () {
        clear("Cache", 1000 * 60 * 60 * 24 * 7)
    }
});
chrome.contextMenus.create({
    "title": "Cache: All Time",
    "onclick": function () {
        clear("Cache", 0)
    }
});

chrome.contextMenus.create({
    "type": "separator"
});

chrome.contextMenus.create({
    "title": "History: Last Hour",
    "onclick": function () {
        clear("History", 1000 * 60 * 60)
    }
});
chrome.contextMenus.create({
    "title": "History: Last Day",
    "onclick": function () {
        clear("History", 1000 * 60 * 60 * 24)
    }
});
chrome.contextMenus.create({
    "title": "History: Last Week",
    "onclick": function () {
        clear("History", 1000 * 60 * 60 * 24 * 7)
    }
});
chrome.contextMenus.create({
    "title": "History: All Time",
    "onclick": function () {
        clear("History", 0)
    }
});

chrome.contextMenus.create({
    "type": "separator"
});

chrome.contextMenus.create({
    "title": "Cookies: Last Hour",
    "onclick": function () {
        clear("Cookies", 1000 * 60 * 60)
    }
});
chrome.contextMenus.create({
    "title": "Cookies: Last Day",
    "onclick": function () {
        clear("Cookies", 1000 * 60 * 60 * 24)
    }
});
chrome.contextMenus.create({
    "title": "Cookies: Last Week",
    "onclick": function () {
        clear("Cookies", 1000 * 60 * 60 * 24 * 7)
    }
});
chrome.contextMenus.create({
    "title": "Cookies: All Time",
    "onclick": function () {
        clear("Cookies", 0)
    }
});

//clear function
function clear(what, time) { //function to clear the cache
    var date;
    if (time === 0) { //if time is 0 then is to clear all
        date = 0;
    } else { //else calculate since
        var date = (new Date()).getTime() - time;
    }

    switch (what) { //
    case "Cache":
        chrome.browsingData.removeCache({
            "since": date
        });
        break;
    case "Cookies":
        chrome.browsingData.removeCookies({
            "since": date
        });
        break;
    case "History":
        chrome.browsingData.removeHistory({
            "since": date
        });
        break;
    }
}