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https://github.com/Jermolene/TiddlyWiki5
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145 lines
4.5 KiB
JavaScript
145 lines
4.5 KiB
JavaScript
/*\
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title: $:/core/modules/utils/dom/browser.js
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type: application/javascript
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module-type: utils
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Browser feature detection
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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/*
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Set style properties of an element
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element: dom node
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styles: ordered array of {name: value} pairs
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*/
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exports.setStyle = function(element,styles) {
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for(var t=0; t<styles.length; t++) {
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for(var styleName in styles[t]) {
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element.style[$tw.utils.convertStyleNameToPropertyName(styleName)] = styles[t][styleName];
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}
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}
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};
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/*
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Converts a standard CSS property name into the local browser-specific equivalent. For example:
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"background-color" --> "backgroundColor"
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"transition" --> "webkitTransition"
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*/
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var styleNameCache = {}; // We'll cache the style name conversions
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exports.convertStyleNameToPropertyName = function(styleName) {
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// Return from the cache if we can
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if(styleNameCache[styleName]) {
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return styleNameCache[styleName];
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}
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// Convert it by first removing any hyphens
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var propertyName = $tw.utils.unHyphenateCss(styleName);
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// Then check if it needs a prefix
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if(document.body.style[propertyName] === undefined) {
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var prefixes = ["O","MS","Moz","webkit"];
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for(var t=0; t<prefixes.length; t++) {
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var prefixedName = prefixes[t] + propertyName.substr(0,1).toUpperCase() + propertyName.substr(1);
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if(document.body.style[prefixedName] !== undefined) {
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propertyName = prefixedName;
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break;
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}
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}
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}
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// Put it in the cache too
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styleNameCache[styleName] = propertyName;
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return propertyName;
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};
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/*
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Converts a JS format CSS property name back into the dashed form used in CSS declarations. For example:
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"backgroundColor" --> "background-color"
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"webkitTransform" --> "-webkit-transform"
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*/
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exports.convertPropertyNameToStyleName = function(propertyName) {
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// Rehyphenate the name
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var styleName = $tw.utils.hyphenateCss(propertyName);
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// If there's a webkit prefix, add a dash (other browsers have uppercase prefixes, and so get the dash automatically)
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if(styleName.indexOf("webkit") === 0) {
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styleName = "-" + styleName;
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} else if(styleName.indexOf("-m-s") === 0) {
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styleName = "-ms" + styleName.substr(4);
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}
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return styleName;
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};
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/*
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Round trip a stylename to a property name and back again. For example:
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"transform" --> "webkitTransform" --> "-webkit-transform"
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*/
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exports.roundTripPropertyName = function(propertyName) {
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return $tw.utils.convertPropertyNameToStyleName($tw.utils.convertStyleNameToPropertyName(propertyName));
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};
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/*
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Converts a standard event name into the local browser specific equivalent. For example:
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"animationEnd" --> "webkitAnimationEnd"
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*/
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var eventNameCache = {}; // We'll cache the conversions
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var eventNameMappings = {
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"transitionEnd": {
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correspondingCssProperty: "transition",
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mappings: {
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transition: "transitionend",
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OTransition: "oTransitionEnd",
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MSTransition: "msTransitionEnd",
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MozTransition: "transitionend",
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webkitTransition: "webkitTransitionEnd"
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}
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},
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"animationEnd": {
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correspondingCssProperty: "animation",
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mappings: {
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animation: "animationend",
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OAnimation: "oAnimationEnd",
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MSAnimation: "msAnimationEnd",
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MozAnimation: "animationend",
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webkitAnimation: "webkitAnimationEnd"
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}
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}
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};
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exports.convertEventName = function(eventName) {
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if(eventNameCache[eventName]) {
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return eventNameCache[eventName];
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}
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var newEventName = eventName,
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mappings = eventNameMappings[eventName];
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if(mappings) {
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var convertedProperty = $tw.utils.convertStyleNameToPropertyName(mappings.correspondingCssProperty);
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if(mappings.mappings[convertedProperty]) {
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newEventName = mappings.mappings[convertedProperty];
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}
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}
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// Put it in the cache too
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eventNameCache[eventName] = newEventName;
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return newEventName;
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};
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// Setup constants for the current browser
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exports.getBrowserInfo = function(info) {
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info.requestFullScreen = document.body.webkitRequestFullScreen !== undefined ? "webkitRequestFullScreen" :
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document.body.mozRequestFullScreen !== undefined ? "mozRequestFullScreen" :
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document.body.requestFullScreen !== undefined ? "requestFullScreen" : "";
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info.cancelFullScreen = document.webkitCancelFullScreen !== undefined ? "webkitCancelFullScreen" :
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document.mozCancelFullScreen !== undefined ? "mozCancelFullScreen" :
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document.cancelFullScreen !== undefined ? "cancelFullScreen" : "";
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info.isFullScreen = document.webkitIsFullScreen !== undefined ? "webkitIsFullScreen" :
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document.mozFullScreen !== undefined ? "mozFullScreen" :
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document.fullScreen !== undefined ? "fullScreen" : "";
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};
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})();
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