options.js

// Saves options to chrome.storage
function save_options() {
    var when_to_send = $("input[name=when_to_send]:checked").val();
    var dollar_tip_amount = $('input[name=dollar_tip_amount]').val();
    var daily_tip_limit = $('input[name=daily_tip_limit]').val();
    var one_per_address = $("input[name=one_per_address]:checked").length;
    var beep_on_tip = $("input[name=beep_on_tip]:checked").length;
    var blacklist_or_whitelist = $("input[name=blacklist_or_whitelist]:checked").val();

    var domain_list_text = $("#domain_list_textarea").val();
    var domain_list = domain_list_text.trim().split('\n');
    if(domain_list[0] == "") {
        domain_list.shift(); // bug in chrome storage?
    }

    var interval_seconds = $("input[name=interval_seconds]").val();
    var miner_fee = $("input[name=miner_fee]").val();

    chrome.storage.sync.set({
        when_to_send: when_to_send,
        dollar_tip_amount: dollar_tip_amount,
        daily_tip_limit: daily_tip_limit,
        one_per_address: one_per_address,
        blacklist_or_whitelist: blacklist_or_whitelist,
        domain_list: domain_list,
        interval_seconds: interval_seconds,
        miner_fee: miner_fee
    }, function() {
        // Update status to let user know options were saved.
        var status = $('.status').text('Options saved.');
        setTimeout(function() {
            $('.status').text('');
        }, 750);
    });
}

// Restores select box and checkbox state using the preferences
// stored in chrome.storage.
function fill_in_options() {
    // These are default values
    chrome.storage.sync.get({
        when_to_send: null,
        dollar_tip_amount: null,
        daily_tip_limit: null,
        pub_key: null,
        priv_key: null,
        one_per_address: null,
        beep_on_tip: null,
        blacklist_or_whitelist: null,
        domain_list: null,
        interval_seconds: null,
        miner_fee: null
    }, function(items) {
        $('input[name=when_to_send][value=' + items.when_to_send + ']').attr('checked', 'checked');
        $('input[name=blacklist_or_whitelist][value=' + items.blacklist_or_whitelist + ']').attr('checked', 'checked');
        $('input[name=dollar_tip_amount]').val(items.dollar_tip_amount);
        $('input[name=daily_tip_limit]').val(Number(items.daily_tip_limit).toFixed(2));
        $('input[name=interval_seconds]').val(items.interval_seconds);
        $('input[name=miner_fee]').val(items.miner_fee);

        $("#priv_key").text(items.priv_key);
        $('#deposit_address').text(items.pub_key);
        $("#qr").qrcode({width: 300, height: 300, text: items.pub_key});

        if(items.one_per_address) {
            $('input[name=one_per_address]').attr('checked', 'checked');
        }
        if(items.beep_on_tip) {
            $('input[name=beep_on_tip]').attr('checked', 'checked');
        }

        $("#domain_list_textarea").text(items.domain_list.join("\n"));

        $.get("https://blockchain.info/rawaddr/" + items.pub_key, function(response) {
            var balance = response['final_balance'] / 1e8; //replace spinner
            chrome.runtime.sendMessage({get_btc_price: true}, function(response) {
                var cents_per_btc = response.price;
                var fiat_amount = Number(cents_per_btc * balance / 100).toFixed(2);
                $('#current_balance').text(balance + " BTC ($" + fiat_amount +" USD)" ); //replace spinner
            });
        });
    });
}

$('.save_button').on('click', save_options);
fill_in_options();