src/main/resources/static/ajax/libs/fullscreen/jquery.fullscreen.js

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/**
 * 基于jQuery FullScreen修改
 * 新增支持IE全屏显示
 * Copyright (c) 2019 ruoyi
 */
(function(jQuery) {
    
    /**
     * Sets or gets the fullscreen state.
     * 
     * @param {boolean=} state
     *            True to enable fullscreen mode, false to disable it. If not
     *            specified then the current fullscreen state is returned.
     * @return {boolean|Element|jQuery|null}
     *            When querying the fullscreen state then the current fullscreen
     *            element (or true if browser doesn't support it) is returned
     *            when browser is currently in full screen mode. False is returned
     *            if browser is not in full screen mode. Null is returned if 
     *            browser doesn't support fullscreen mode at all. When setting 
     *            the fullscreen state then the current jQuery selection is 
     *            returned for chaining.
     * @this {jQuery}
     */
    function fullScreen(state)
    {
        var e, func, doc;
        
        // Do nothing when nothing was selected
        if (!this.length) return this;
        
        // We only use the first selected element because it doesn't make sense
        // to fullscreen multiple elements.
        e = (/** @type {Element} */ this[0]);
        
        // Find the real element and the document (Depends on whether the
        // document itself or a HTML element was selected)
        if (e.ownerDocument)
        {
            doc = e.ownerDocument;
        }
        else
        {
            doc = e;
            e = doc.documentElement;
        }
        
        // When no state was specified then return the current state.
        if (state == null)
        {
            // When fullscreen mode is not supported then return null
            if (!((/** @type {?Function} */ doc["exitFullscreen"])
                || (/** @type {?Function} */ doc["webkitExitFullscreen"])
                || (/** @type {?Function} */ doc["webkitCancelFullScreen"])
                || (/** @type {?Function} */ doc["msExitFullscreen"])
                || (/** @type {?Function} */ doc["mozCancelFullScreen"])))
            {
                return null;
            }
            
            // Check fullscreen state