b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
71 lines
2.2 KiB
JavaScript
71 lines
2.2 KiB
JavaScript
'use strict';
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var LCDTest = {
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get fullscreenDiv() {
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delete this.fullScreenDiv;
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return this.fullScreenDiv = document.getElementById('fullscreen-div');
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},
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firstTimeHint: null,
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init: function() {
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document.body.addEventListener('click', this);
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this.fullscreenDiv.addEventListener('click',
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this.exitFullscreen.bind(this));
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this.firstTimeHint = true;
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},
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enterFullscreen: function(color) {
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this.fullscreenDiv.mozRequestFullScreen();
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this.fullscreenDiv.classList.remove('invisible');
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this.fullscreenDiv.classList.remove('red');
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this.fullscreenDiv.classList.remove('green');
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this.fullscreenDiv.classList.remove('blue');
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this.fullscreenDiv.classList.remove('white');
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this.fullscreenDiv.classList.remove('black');
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this.fullscreenDiv.classList.add(color);
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if (this.firstTimeHint) {
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this.firstTimeHint = false;
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alert('Tap screen again to exit fullscreen mode');
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}
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},
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exitFullscreen: function() {
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document.mozCancelFullScreen();
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this.fullscreenDiv.classList.add('invisible');
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},
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turnOn: function() {
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navigator.mozPower.screenEnabled = true;
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// no longer need the lock
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this.wakeLock.unlock();
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},
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// Only handle clicks on button, clicks on div is handled by exitFullscreen
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handleEvent: function(evt) {
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switch (evt.target.id) {
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case 'red':
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this.enterFullscreen('red');
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break;
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case 'green':
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this.enterFullscreen('green');
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break;
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case 'blue':
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this.enterFullscreen('blue');
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break;
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case 'white':
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this.enterFullscreen('white');
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break;
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case 'black':
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this.enterFullscreen('black');
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break;
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case 'off':
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// We are going to shutdown the screen, this may lead to
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// the sleep of CPU. Use wake lock to prevent from sleeping
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// which cause setTimeout stop working.
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this.wakeLock = window.navigator.requestWakeLock('screen');
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setTimeout(this.turnOn.bind(this), 3000);
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navigator.mozPower.screenEnabled = false;
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break;
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}
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},
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wakeLock: null
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};
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window.addEventListener('load', LCDTest.init.bind(LCDTest));
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