56 lines
1.4 KiB
JavaScript
56 lines
1.4 KiB
JavaScript
(function (MemoryGame, Timer) {
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/**
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* Adapter between memory game and H5P.Timer
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*
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* @class H5P.MemoryGame.Timer
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* @extends H5P.Timer
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* @param {Element} element
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*/
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MemoryGame.Timer = function (element) {
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/** @alias H5P.MemoryGame.Timer# */
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var self = this;
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// Initialize event inheritance
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Timer.call(self, 100);
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/** @private {string} */
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var naturalState = element.innerText;
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/**
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* Set up callback for time updates.
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* Formats time stamp for humans.
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*
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* @private
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*/
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var update = function () {
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var time = self.getTime();
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var minutes = Timer.extractTimeElement(time, 'minutes');
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var seconds = Timer.extractTimeElement(time, 'seconds') % 60;
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// Update duration attribute
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element.setAttribute('datetime', 'PT' + minutes + 'M' + seconds + 'S');
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// Add leading zero
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if (seconds < 10) {
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seconds = '0' + seconds;
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}
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element.innerText = minutes + ':' + seconds;
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};
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// Setup default behavior
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self.notify('every_tenth_second', update);
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self.on('reset', function () {
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element.innerText = naturalState;
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self.notify('every_tenth_second', update);
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});
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};
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// Inheritance
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MemoryGame.Timer.prototype = Object.create(Timer.prototype);
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MemoryGame.Timer.prototype.constructor = MemoryGame.Timer;
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})(H5P.MemoryGame, H5P.Timer);
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