Files
mue/src/components/widgets/background/Background.jsx
2021-06-30 15:25:34 +01:00

373 lines
13 KiB
JavaScript

// warning: the code here is fairly messy and probably needs a rewrite
import React from 'react';
import EventBus from '../../../modules/helpers/eventbus';
import PhotoInformation from './PhotoInformation';
import './scss/index.scss';
export default class Background extends React.PureComponent {
constructor() {
super();
this.state = {
style: '',
url: '',
currentAPI: '',
photoInfo: {
hidden: false,
offline: false,
photographerURL: '',
photoURL: ''
}
};
this.language = window.language.widgets.background;
}
gradientStyleBuilder(gradientSettings) {
const { type, angle, gradient } = gradientSettings;
let style = `background: ${gradient[0].colour};`;
if (gradient.length > 1) {
// Note: Append the gradient for additional browser support.
const stepStyles = gradient.map((g) => ` ${g.colour} ${g.stop}%`).join();
style += ` background: ${type}-gradient(${(type === 'linear' ? (`${angle}deg,`) : '')}${stepStyles})`;
}
this.setState({
type: 'colour',
style: style
});
}
videoCheck(url) {
return url.startsWith('data:video/') || url.endsWith('.mp4') || url.endsWith('.webm') || url.endsWith('.ogg');
}
offlineBackground() {
const offlineImages = require('./offline_images.json');
// Get all photographers from the keys in offlineImages.json
const photographers = Object.keys(offlineImages);
const photographer = photographers[Math.floor(Math.random() * photographers.length)];
const randomImage = offlineImages[photographer].photo[
Math.floor(Math.random() * offlineImages[photographer].photo.length)
];
this.setState({
url: `./offline-images/${randomImage}.webp`,
photoInfo: {
offline: true,
credit: photographer
}
});
}
setBackground() {
const backgroundImage = document.getElementById('backgroundImage');
if (this.state.url !== '') {
const url = (localStorage.getItem('ddgProxy') === 'true' && this.state.photoInfo.offline !== true) ? window.constants.DDG_PROXY + this.state.url : this.state.url;
const photoInformation = document.querySelector('.photoInformation');
// just set the background
if (localStorage.getItem('bgtransition') === 'false') {
if (photoInformation) {
photoInformation.style.display = 'block';
}
backgroundImage.style.background = null;
return backgroundImage.style.background = `url(${url})`;
}
// firstly we set the background as hidden and make sure there is no background set currently
backgroundImage.classList.add('backgroundPreload');
backgroundImage.style.background = null;
// same with photo information if not using custom background
if (photoInformation) {
photoInformation.classList.add('backgroundPreload');
}
// preloader for background transition, required so it loads in nice
const preloader = document.createElement('img');
preloader.src = url;
// once image has loaded, add the fade-in transition
preloader.addEventListener('load', () => {
backgroundImage.classList.remove('backgroundPreload');
backgroundImage.classList.add('fade-in');
// this doesn't make it fetch again which is nice
backgroundImage.style.background = `url(${url})`;
// remove the preloader element we created earlier
preloader.remove();
if (photoInformation) {
photoInformation.classList.remove('backgroundPreload');
photoInformation.classList.add('fade-in');
}
});
} else {
// custom colour
backgroundImage.setAttribute('style', this.state.style);
}
}
// Main background getting function
async getBackground() {
const offline = (localStorage.getItem('offlineMode') === 'true');
switch (localStorage.getItem('backgroundType')) {
case 'api':
if (offline) {
return this.offlineBackground();
}
// favourite button
const favourited = JSON.parse(localStorage.getItem('favourite'));
if (favourited) {
return this.setState({
url: favourited.url,
photoInfo: {
credit: favourited.credit,
location: favourited.location,
camera: favourited.camera,
resolution: favourited.resolution
}
});
}
// API background
const backgroundAPI = localStorage.getItem('backgroundAPI');
const apiCategory = localStorage.getItem('apiCategory');
const apiQuality = localStorage.getItem('apiQuality');
let requestURL, data;
switch (backgroundAPI) {
case 'unsplash':
//requestURL = `${window.constants.UNSPLASH_URL}/getImage?category=${apiCategory}`;
requestURL = `${window.constants.UNSPLASH_URL}/images/random?quality=${apiQuality}`;
break;
case 'pexels':
requestURL = `${window.constants.PEXELS_URL}/images/random?quality=${apiQuality}`;
break;
// Defaults to Mue
default:
requestURL = `${window.constants.API_URL}/images/random?category=${apiCategory}&quality=${apiQuality}`;
break;
}
try {
data = await (await fetch(requestURL)).json();
} catch (e) {
// if requesting to the API fails, we get an offline image
return this.offlineBackground();
}
let credit = data.photographer;
let photoURL = '';
let photographerURL = '';
if (backgroundAPI === 'unsplash') {
credit = data.photographer + ` ${this.language.unsplash}`;
photoURL = data.photo_page;
photographerURL = data.photographer_page;
} else if (backgroundAPI === 'pexels') {
credit = data.photographer + ` ${this.language.pexels}`;
photoURL = data.photo_page;
photographerURL = data.photographer_page;
}
this.setState({
url: data.file,
type: 'api',
currentAPI: backgroundAPI,
photoInfo: {
hidden: false,
credit: credit,
location: data.location,
camera: data.camera,
resolution: data.resolution,
url: data.file,
photographerURL: photographerURL,
photoURL: photoURL
}
});
break;
case 'colour':
const customBackgroundColour = localStorage.getItem('customBackgroundColour') || {'angle':'180','gradient':[{'colour':'#ffb032','stop':0}],'type':'linear'};
let gradientSettings = '';
try {
gradientSettings = JSON.parse(customBackgroundColour);
} catch (e) {
const hexColorRegex = /#[0-9a-fA-F]{6}/s;
if (hexColorRegex.exec(customBackgroundColour)) {
// Colour use to be simply a hex colour or a NULL value before it was a JSON object. This automatically upgrades the hex colour value to the new standard. (NULL would not trigger an exception)
gradientSettings = { 'type': 'linear', 'angle': '180', 'gradient': [{ 'colour': customBackgroundColour, 'stop': 0 }] };
localStorage.setItem('customBackgroundColour', JSON.stringify(gradientSettings));
}
}
if (typeof gradientSettings === 'object' && gradientSettings !== null) {
return this.gradientStyleBuilder(gradientSettings);
}
break;
case 'custom':
const customBackground = localStorage.getItem('customBackground');
// allow users to use offline images
if (offline && !customBackground.startsWith('data:')) {
return this.offlineBackground();
}
if (customBackground !== '' && customBackground !== 'undefined') {
this.setState({
url: customBackground,
type: 'custom',
video: this.videoCheck(customBackground),
photoInfo: {
hidden: true
}
});
}
break;
case 'photo_pack':
if (offline) {
return this.offlineBackground();
}
const photoPack = JSON.parse(localStorage.getItem('photo_packs'));
if (photoPack) {
const randomPhoto = photoPack[Math.floor(Math.random() * photoPack.length)];
return this.setState({
url: randomPhoto.url.default,
type: 'photo_pack',
photoInfo: {
hidden: false,
credit: randomPhoto.photographer,
location: randomPhoto.location || 'N/A'
}
});
}
break;
default:
break;
}
}
componentDidMount() {
const element = document.getElementById('backgroundImage');
// this resets it so the fade in and getting background all works properly
const refresh = () => {
element.classList.remove('fade-in');
this.setState({
url: '',
style: '',
type: '',
video: false,
photoInfo: {
hidden: true
}
});
this.getBackground();
};
EventBus.on('refresh', (data) => {
if (data === 'background') {
if (localStorage.getItem('background') === 'false') {
// user is using custom colour or image
if (this.state.photoInfo.hidden === false) {
document.querySelector('.photoInformation').style.display = 'none';
}
// video backgrounds
if (this.state.video === true) {
return document.getElementById('backgroundVideo').style.display = 'none';
} else {
return element.style.display = 'none';
}
}
// video backgrounds
if (this.state.video === true) {
document.getElementById('backgroundVideo').style.display = 'block';
} else {
if (this.state.photoInfo.hidden === false) {
// fix bug
try {
document.querySelector('.photoInformation').style.display = 'block';
} catch (e) {}
}
element.style.display = 'block';
}
const backgroundType = localStorage.getItem('backgroundType');
if (this.state.photoInfo.offline !== true) {
// basically check to make sure something has changed before we try getting another background
if (backgroundType !== this.state.type || (this.state.type === 'api' && localStorage.getItem('backgroundAPI') !== this.state.currentAPI) || (this.state.type === 'custom' && localStorage.getItem('customBackground') !== this.state.url)) {
return refresh();
}
}
// background effects so we don't get another image again
const backgroundFilter = localStorage.getItem('backgroundFilter');
if (this.state.video === true) {
document.getElementById('backgroundVideo').style.webkitFilter = `blur(${localStorage.getItem('blur')}px) brightness(${localStorage.getItem('brightness')}%) ${backgroundFilter ? backgroundFilter + '(' + localStorage.getItem('backgroundFilterAmount') + '%)' : ''}`;
} else {
element.style.webkitFilter = `blur(${localStorage.getItem('blur')}px) brightness(${localStorage.getItem('brightness')}%) ${backgroundFilter ? backgroundFilter + '(' + localStorage.getItem('backgroundFilterAmount') + '%)' : ''}`;
}
}
// uninstall photo pack reverts your background to what you had previously
if (data === 'marketplacebackgrounduninstall') {
refresh();
}
});
this.getBackground();
}
// only set once we've got the info
componentDidUpdate() {
if (this.state.video === true) {
return;
}
this.setBackground();
}
render() {
if (this.state.video === true) {
const enabled = (setting) => {
return (localStorage.getItem(setting) === 'true');
};
return (
<video autoPlay muted={enabled('backgroundVideoMute')} loop={enabled('backgroundVideoLoop')} style={{ WebkitFilter: `blur(${localStorage.getItem('blur')}px) brightness(${localStorage.getItem('brightness')}%)` }} id='backgroundVideo'>
<source src={this.state.url}/>
</video>
);
}
const backgroundFilter = localStorage.getItem('backgroundFilter');
return (
<>
<div style={{ 'WebkitFilter': `blur(${localStorage.getItem('blur')}px) brightness(${localStorage.getItem('brightness')}%) ${backgroundFilter ? backgroundFilter + '(' + localStorage.getItem('backgroundFilterAmount') + '%)' : ''}` }} id='backgroundImage'/>
{(this.state.photoInfo.credit !== '') ?
<PhotoInformation className={this.props.photoInformationClass} info={this.state.photoInfo} api={this.state.currentAPI}/>
: null}
</>
);
}
}