1 files changed, 102 insertions, 0 deletions
diff --git a/karma/js/clock.js b/karma/js/clock.js
new file mode 100755
index 0000000..20a31cc
--- /dev/null
+++ b/karma/js/clock.js
@@ -0,0 +1,102 @@
+var AbstractTimer = Object.create(
+    {},
+    {
+        initialize: function () {
+            $('#footer')
+                .append(createDiv('timerBar')
+                        .append(createDiv('picClock'))
+                        .append(createDiv('timerBox1').addClass('timerBoxes'))
+                        .append(createDiv('timerBox2').addClass('timerBoxes'))
+                        .append(createDiv('timerBox3').addClass('timerBoxes'))
+                        .hide());
+            this.seconds = 0;
+            this.interval_id = null;
+            this.display();
+            return this;
+        },
+        start: function () {
+            var that = this;
+            this.interval_id = setInterval(function () { that.tick(); },
+                                           1000);
+        },
+        stop: function () {
+            if (this.interval_id) {
+                clearInterval(this.interval_id);
+                this.interval_id = null;
+            }
+        },
+        reset: function () {
+            this.stop();
+            this.seconds = 0;
+            this.display();
+        },
+        tick: toBeOverridden('tick'),
+        hoursMinutesSeconds: function () {
+            var s = this.seconds;
+            var m = Math.floor(s / 60);
+            s = s % 60;
+            var h = Math.floor(m / 60);
+            m = m % 60;
+            return {hours: h, minutes: m, seconds: s};
+        },
+        display: function () {
+            var hms = this.hoursMinutesSeconds();
+            $('#timerBox1').html(padLeft(hms.seconds, '0', 2));
+            $('#timerBox2').html(padLeft(hms.minutes, '0', 2));
+            $('#timerBox3').html(padLeft(hms.hours, '0', 2));
+        },
+        hide: function () {
+            $('#timerBar').hide();
+        },
+        show: function () {
+            $('#timerBar').show();
+        }
+    }
+);
+
+var Clock = Object.create(
+    AbstractTimer,
+    {
+        tick: function () {
+            ++this.seconds;
+            this.display();
+        }
+    }
+);
+
+function createClock() {
+    return Object.create(Clock, {})
+        .initialize();
+}
+
+var CountdownTimer = Object.create(
+    AbstractTimer,
+    {
+        initialize: function (callback, seconds) {
+            AbstractTimer.initialize();
+            this.callback = callback;
+            this.setTime(seconds);
+            return this;
+        },
+        tick: function () {
+            var current_time = --this.seconds;
+            this.display();
+            if (current_time == 0) {
+                this.stop();
+                this.callback();
+            }
+        },
+        setTime: function (seconds) {
+            this.seconds = seconds;
+            this.display();
+        },
+        setCallback: function (callback) {
+            this.callback = callback;
+        }
+    }
+);
+
+function createCountdownTimer(callback, seconds) {
+    return Object.create(CountdownTimer, {})
+        .initialize(callback, seconds);
+}