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https://github.com/mdn/webextensions-examples.git
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07538307f4
* add in a dynamic theme example * update colour for when image is too small * some fixups after stupid mistakes
50 lines
979 B
JavaScript
50 lines
979 B
JavaScript
var currentTheme = '';
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const themes = {
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'day': {
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images: {
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headerURL: 'sun.jpg',
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},
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colors: {
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accentcolor: '#CF723F',
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textcolor: '#111',
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}
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},
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'night': {
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images: {
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headerURL: 'moon.jpg',
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},
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colors: {
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accentcolor: '#000',
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textcolor: '#fff',
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}
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}
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};
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function setTheme(theme) {
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if (currentTheme === theme) {
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// No point in changing the theme if it has already been set.
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return;
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}
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currentTheme = theme;
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browser.theme.update(themes[theme]);
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}
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function checkTime() {
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let date = new Date();
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let hours = date.getHours();
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// Will set the sun theme between 8am and 8pm.
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if ((hours > 8) && (hours < 20)) {
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setTheme('day');
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} else {
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setTheme('night');
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}
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}
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// On start up, check the time to see what theme to show.
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checkTime();
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// Set up an alarm to check this regularly.
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browser.alarms.onAlarm.addListener(checkTime);
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browser.alarms.create('checkTime', {periodInMinutes: 5});
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