77 rindas
1.7 KiB
JavaScript
77 rindas
1.7 KiB
JavaScript
var React = require('react');
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var Util = require('../util');
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var LazyLoad = require('./mixins/lazy-load');
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var LOADING_ICON = 'img/hourglass.svg';
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module.exports = React.createClass({
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mixins: [LazyLoad],
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getInitialState: function() {
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return { icon: LOADING_ICON, currentTheme: undefined };
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},
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onInViewport: function() {
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this.updateIconIfInViewport();
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},
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updateIconIfInViewport: function() {
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var currentTheme = this.state.currentTheme;
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var newTheme = this.props.theme;
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if( !this.isInViewport() || newTheme === currentTheme ) return;
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this.setState({ icon: LOADING_ICON, currentTheme: newTheme });
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var desktopEntry = this.props.desktopEntry;
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this._findIcon(desktopEntry.Icon, newTheme);
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},
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componentDidUpdate: function() {
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this.updateIconIfInViewport();
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},
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render: function() {
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var desktopEntry = this.props.desktopEntry;
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var label = desktopEntry.Name;
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var category = desktopEntry.Categories;
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return (
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<li className="desktop-app">
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<img src={this.state.icon} className="desktop-app-icon" />
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<span className="desktop-app-label">{label}</span>
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</li>
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);
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},
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_findIcon: function(iconPath, theme) {
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var self = this;
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var DEFAULT_ICON = 'application-default-icon';
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console.log('Search icon %s:%s', iconPath, theme);
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Util.DesktopApps.findIcon(iconPath || DEFAULT_ICON, theme)
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.then(function(iconPath) {
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if( !iconPath || /\.xpm$/.test(iconPath) ) {
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return Util.DesktopApps.findIcon(DEFAULT_ICON, theme);
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}
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return iconPath;
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})
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.then(function(iconPath) {
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global.window.requestAnimationFrame(function() {
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self.setState({ icon: iconPath });
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});
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})
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;
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}
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});
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