NOBUG: Fixed file access permissions

[moodle.git] / lib / yuilib / 3.13.0 / node-scroll-info / node-scroll-info-coverage.js

/*
YUI 3.13.0 (build 508226d)
Copyright 2013 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/

if (typeof __coverage__ === 'undefined') { __coverage__ = {}; }
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See the `scroll` event for details on what properties this","        object contains.","    @see scroll","    **/","    getScrollInfo: function () {","        var domNode    = this._scrollNode,","            lastScroll = this._lastScroll,","            margin     = this._scrollMargin,","","            scrollLeft   = domNode.scrollLeft,","            scrollHeight = domNode.scrollHeight,","            scrollTop    = domNode.scrollTop,","            scrollWidth  = domNode.scrollWidth,","","            scrollBottom = scrollTop + this._height,","            scrollRight  = scrollLeft + this._width;","","        return {","            atBottom: scrollBottom > (scrollHeight - margin),","            atLeft  : scrollLeft < margin,","            atRight : scrollRight > (scrollWidth - margin),","            atTop   : scrollTop < margin,","","            isScrollDown : lastScroll && scrollTop > lastScroll.scrollTop,","            isScrollLeft : lastScroll && scrollLeft < lastScroll.scrollLeft,","            isScrollRight: lastScroll && scrollLeft > lastScroll.scrollLeft,","            isScrollUp   : lastScroll && scrollTop < lastScroll.scrollTop,","","            scrollBottom: scrollBottom,","            scrollHeight: scrollHeight,","            scrollLeft  : scrollLeft,","            scrollRight : scrollRight,","            scrollTop   : scrollTop,","            scrollWidth : scrollWidth","        };","    },","","    /**","    Returns `true` if _node_ is at least partially onscreen within the host","    node, `false` otherwise.","","    @method isNodeOnscreen","    @param {HTMLElement|Node|String} node Node or selector to check.","    @param {Number} [margin] Additional margin in pixels beyond the actual","        onscreen region that should be considered \"onscreen\" for the purposes of","        this query. Defaults to the value of the `scrollMargin` attribute.","    @return {Boolean} `true` if _node_ is at least partially onscreen within the","        host node, `false` otherwise.","    @since 3.11.0","    **/","    isNodeOnscreen: function (node, margin) {","        node = Y.one(node);","        return !!(node && this._isElementOnscreen(node._node, margin));","    },","","    /**","    Refreshes cached position, height, and width dimensions for the host node.","    If the host node is the body, then the viewport height and width will be","    used.","","    This info is cached to improve performance during scroll events, since it's","    expensive to touch the DOM for these values. Dimensions are automatically","    refreshed whenever the browser is resized, but if you change the dimensions","    or position of the host node in JS, you may need to call","    `refreshDimensions()` manually to cache the new dimensions.","","    @method refreshDimensions","    **/","    refreshDimensions: function () {","        var docEl = doc.documentElement;","","        // On iOS devices, documentElement.clientHeight/Width aren't reliable,","        // but window.innerHeight/Width are. The dom-screen module's viewport","        // size methods don't account for this, which is why we do it here.","        if (Y.UA.ios) {","            this._winHeight = win.innerHeight;","            this._winWidth  = win.innerWidth;","        } else {","            this._winHeight = docEl.clientHeight;","            this._winWidth  = docEl.clientWidth;","        }","","        if (this._hostIsBody) {","            this._height = this._winHeight;","            this._width  = this._winWidth;","        } else {","            this._height = this._scrollNode.clientHeight;","            this._width  = this._scrollNode.clientWidth;","        }","","        this._refreshHostBoundingRect();","    },","","    // -- Protected Methods ----------------------------------------------------","","    /**","    Binds event handlers.","","    @method _bind","    @protected","    **/","    _bind: function () {","        var winNode = Y.one('win');","","        this._events = [","            this.after({","                scrollDelayChange : this._afterScrollDelayChange,","                scrollMarginChange: this._afterScrollMarginChange","            }),","","            winNode.on('windowresize', this._afterResize, this)","        ];","","        // If the host node is the body, listen for the scroll event on the","        // window, since <body> doesn't have a scroll event.","        if (this._hostIsBody) {","            this._events.push(winNode.after('scroll', this._afterHostScroll, this));","        } else {","            // The host node is not the body, but we still need to listen for","            // window scroll events so we can determine whether nodes are","            // onscreen.","            this._events.push(","                winNode.after('scroll', this._afterWindowScroll, this),","                this._host.after('scroll', this._afterHostScroll, this)","            );","        }","    },","","    /**","    Returns the DOM node that should be used to lookup scroll coordinates. In","    some browsers, the `<body>` element doesn't return scroll coordinates, and","    the documentElement must be used instead; this method takes care of","    determining which node should be used.","","    @method _getScrollNode","    @return {HTMLElement} DOM node.","    @protected","    **/","    _getScrollNode: function () {","        // WebKit returns scroll coordinates on the body element, but other","        // browsers don't, so we have to use the documentElement.","        return this._hostIsBody && !Y.UA.webkit ? doc.documentElement :","                Y.Node.getDOMNode(this._host);","    },","","    /**","    Underlying element-based implementation for `isNodeOnscreen()`.","","    @method _isElementOnscreen","    @param {HTMLElement} el HTML element.","    @param {Number} [margin] Additional margin in pixels beyond the actual","        onscreen region that should be considered \"onscreen\" for the purposes of","        this query. Defaults to the value of the `scrollMargin` attribute.","    @return {Boolean} `true` if _el_ is at least partially onscreen within the","        host node, `false` otherwise.","    @protected","    @since 3.11.0","    **/","    _isElementOnscreen: function (el, margin) {","        var hostRect = this._hostRect,","            rect     = el.getBoundingClientRect();","","        if (typeof margin === 'undefined') {","            margin = this._scrollMargin;","        }","","        // Determine whether any part of _el_ is within the visible region of","        // the host element or the specified margin around the visible region of","        // the host element.","        return !(rect.top > hostRect.bottom + margin","                    || rect.bottom < hostRect.top - margin","                    || rect.right < hostRect.left - margin","                    || rect.left > hostRect.right + margin);","    },","","    /**","    Caches the bounding rect of the host node.","","    If the host node is the body, the bounding rect will be faked to represent","    the dimensions of the viewport, since the actual body dimensions may extend","    beyond the viewport and we only care about the visible region.","","    @method _refreshHostBoundingRect","    @protected","    **/","    _refreshHostBoundingRect: function () {","        var winHeight = this._winHeight,","            winWidth  = this._winWidth,","","            hostRect;","","        if (this._hostIsBody) {","            hostRect = {","                bottom: winHeight,","                height: winHeight,","                left  : 0,","                right : winWidth,","                top   : 0,","                width : winWidth","            };","","            this._isHostOnscreen = true;","        } else {","            hostRect = this._scrollNode.getBoundingClientRect();","        }","","        this._hostRect = hostRect;","    },","","    /**","    Mixes detailed scroll information into the given DOM `scroll` event facade","    and fires appropriate local events.","","    @method _triggerScroll","    @param {EventFacade} e Event facade from the DOM `scroll` event.","    @protected","    **/","    _triggerScroll: function (e) {","        var info       = this.getScrollInfo(),","            facade     = Y.merge(e, info),","            lastScroll = this._lastScroll;","","        this._lastScroll = info;","","        this.fire(EVT_SCROLL, facade);","","        if (info.isScrollLeft) {","            this.fire(EVT_SCROLL_LEFT, facade);","        } else if (info.isScrollRight) {","            this.fire(EVT_SCROLL_RIGHT, facade);","        }","","        if (info.isScrollUp) {","            this.fire(EVT_SCROLL_UP, facade);","        } else if (info.isScrollDown) {","            this.fire(EVT_SCROLL_DOWN, facade);","        }","","        if (info.atBottom && (!lastScroll.atBottom ||","                info.scrollHeight > lastScroll.scrollHeight)) {","","            this.fire(EVT_SCROLL_TO_BOTTOM, facade);","        }","","        if (info.atLeft && !lastScroll.atLeft) {","            this.fire(EVT_SCROLL_TO_LEFT, facade);","        }","","        if (info.atRight && (!lastScroll.atRight ||","                info.scrollWidth > lastScroll.scrollWidth)) {","","            this.fire(EVT_SCROLL_TO_RIGHT, facade);","        }","","        if (info.atTop && !lastScroll.atTop) {","            this.fire(EVT_SCROLL_TO_TOP, facade);","        }","    },","","    // -- Protected Event Handlers ---------------------------------------------","","    /**","    Handles DOM `scroll` events on the host node.","","    @method _afterHostScroll","    @param {EventFacade} e","    @protected","    **/","    _afterHostScroll: function (e) {","        var self = this;","","        clearTimeout(this._scrollTimeout);","","        this._scrollTimeout = setTimeout(function () {","            self._triggerScroll(e);","        }, this._scrollDelay);","    },","","    /**","    Handles browser resize events.","","    @method _afterResize","    @protected","    **/","    _afterResize: function () {","        this.refreshDimensions();","    },","","    /**","    Caches the `scrollDelay` value after that attribute changes to allow","    quicker lookups in critical path code.","","    @method _afterScrollDelayChange","    @param {EventFacade} e","    @protected","    **/","    _afterScrollDelayChange: function (e) {","        this._scrollDelay = e.newVal;","    },","","    /**","    Caches the `scrollMargin` value after that attribute changes to allow","    quicker lookups in critical path code.","","    @method _afterScrollMarginChange","    @param {EventFacade} e","    @protected","    **/","    _afterScrollMarginChange: function (e) {","        this._scrollMargin = e.newVal;","    },","","    /**","    Handles DOM `scroll` events on the window.","","    @method _afterWindowScroll","    @param {EventFacade} e","    @protected","    **/","    _afterWindowScroll: function () {","        this._refreshHostBoundingRect();","    }","}, {","    NS: 'scrollInfo',","","    ATTRS: {","        /**","        Number of milliseconds to wait after a native `scroll` event before","        firing local scroll events. If another native scroll event occurs during","        this time, previous events will be ignored. This ensures that we don't","        fire thousands of events when the user is scrolling quickly.","","        @attribute scrollDelay","        @type Number","        @default 50","        **/","        scrollDelay: {","            value: 50","        },","","        /**","        Additional margin in pixels beyond the onscreen region of the host node","        that should be considered \"onscreen\".","","        For example, if set to 50, then a `scrollToBottom` event would be fired","        when the user scrolls to within 50 pixels of the bottom of the","        scrollable region, even if they don't actually scroll completely to the","        very bottom pixel.","","        This margin also applies to the `getOffscreenNodes()` and","        `getOnscreenNodes()` methods by default.","","        @attribute scrollMargin","        @type Number","        @default 50","        **/","        scrollMargin: {","            value: 50","        }","    }","});","","","}, '3.13.0', {\"requires\": [\"array-extras\", \"base-build\", \"event-resize\", \"node-pluginhost\", \"plugin\", \"selector\"]});","","}());"]};
}
var __cov_$MuO_qLYo1Cy8JotuibTGA = __coverage__['build/node-scroll-info/node-scroll-info.js'];
__cov_$MuO_qLYo1Cy8JotuibTGA.s['1']++;YUI.add('node-scroll-info',function(Y,NAME){__cov_$MuO_qLYo1Cy8JotuibTGA.f['1']++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['2']++;var doc=Y.config.doc,win=Y.config.win;__cov_$MuO_qLYo1Cy8JotuibTGA.s['3']++;var EVT_SCROLL='scroll',EVT_SCROLL_DOWN='scrollDown',EVT_SCROLL_LEFT='scrollLeft',EVT_SCROLL_RIGHT='scrollRight',EVT_SCROLL_UP='scrollUp',EVT_SCROLL_TO_BOTTOM='scrollToBottom',EVT_SCROLL_TO_LEFT='scrollToLeft',EVT_SCROLL_TO_RIGHT='scrollToRight',EVT_SCROLL_TO_TOP='scrollToTop';__cov_$MuO_qLYo1Cy8JotuibTGA.s['4']++;Y.Plugin.ScrollInfo=Y.Base.create('scrollInfoPlugin',Y.Plugin.Base,[],{initializer:function(config){__cov_$MuO_qLYo1Cy8JotuibTGA.f['2']++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['5']++;this._host=config.host;__cov_$MuO_qLYo1Cy8JotuibTGA.s['6']++;this._hostIsBody=this._host.get('nodeName').toLowerCase()==='body';__cov_$MuO_qLYo1Cy8JotuibTGA.s['7']++;this._scrollDelay=this.get('scrollDelay');__cov_$MuO_qLYo1Cy8JotuibTGA.s['8']++;this._scrollMargin=this.get('scrollMargin');__cov_$MuO_qLYo1Cy8JotuibTGA.s['9']++;this._scrollNode=this._getScrollNode();__cov_$MuO_qLYo1Cy8JotuibTGA.s['10']++;this.refreshDimensions();__cov_$MuO_qLYo1Cy8JotuibTGA.s['11']++;this._lastScroll=this.getScrollInfo();__cov_$MuO_qLYo1Cy8JotuibTGA.s['12']++;this._bind();},destructor:function(){__cov_$MuO_qLYo1Cy8JotuibTGA.f['3']++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['13']++;new Y.EventHandle(this._events).detach();__cov_$MuO_qLYo1Cy8JotuibTGA.s['14']++;this._events=null;},getOffscreenNodes:function(selector,margin){__cov_$MuO_qLYo1Cy8JotuibTGA.f['4']++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['15']++;if(typeof margin==='undefined'){__cov_$MuO_qLYo1Cy8JotuibTGA.b['1'][0]++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['16']++;margin=this._scrollMargin;}else{__cov_$MuO_qLYo1Cy8JotuibTGA.b['1'][1]++;}__cov_$MuO_qLYo1Cy8JotuibTGA.s['17']++;var elements=Y.Selector.query((__cov_$MuO_qLYo1Cy8JotuibTGA.b['2'][0]++,selector)||(__cov_$MuO_qLYo1Cy8JotuibTGA.b['2'][1]++,'*'),this._host._node);__cov_$MuO_qLYo1Cy8JotuibTGA.s['18']++;return new Y.NodeList(Y.Array.filter(elements,function(el){__cov_$MuO_qLYo1Cy8JotuibTGA.f['5']++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['19']++;return!this._isElementOnscreen(el,margin);},this));},getOnscreenNodes:function(selector,margin){__cov_$MuO_qLYo1Cy8JotuibTGA.f['6']++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['20']++;if(typeof margin==='undefined'){__cov_$MuO_qLYo1Cy8JotuibTGA.b['3'][0]++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['21']++;margin=this._scrollMargin;}else{__cov_$MuO_qLYo1Cy8JotuibTGA.b['3'][1]++;}__cov_$MuO_qLYo1Cy8JotuibTGA.s['22']++;var elements=Y.Selector.query((__cov_$MuO_qLYo1Cy8JotuibTGA.b['4'][0]++,selector)||(__cov_$MuO_qLYo1Cy8JotuibTGA.b['4'][1]++,'*'),this._host._node);__cov_$MuO_qLYo1Cy8JotuibTGA.s['23']++;return new Y.NodeList(Y.Array.filter(elements,function(el){__cov_$MuO_qLYo1Cy8JotuibTGA.f['7']++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['24']++;return this._isElementOnscreen(el,margin);},this));},getScrollInfo:function(){__cov_$MuO_qLYo1Cy8JotuibTGA.f['8']++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['25']++;var domNode=this._scrollNode,lastScroll=this._lastScroll,margin=this._scrollMargin,scrollLeft=domNode.scrollLeft,scrollHeight=domNode.scrollHeight,scrollTop=domNode.scrollTop,scrollWidth=domNode.scrollWidth,scrollBottom=scrollTop+this._height,scrollRight=scrollLeft+this._width;__cov_$MuO_qLYo1Cy8JotuibTGA.s['26']++;return{atBottom:scrollBottom>scrollHeight-margin,atLeft:scrollLeft<margin,atRight:scrollRight>scrollWidth-margin,atTop:scrollTop<margin,isScrollDown:(__cov_$MuO_qLYo1Cy8JotuibTGA.b['5'][0]++,lastScroll)&&(__cov_$MuO_qLYo1Cy8JotuibTGA.b['5'][1]++,scrollTop>lastScroll.scrollTop),isScrollLeft:(__cov_$MuO_qLYo1Cy8JotuibTGA.b['6'][0]++,lastScroll)&&(__cov_$MuO_qLYo1Cy8JotuibTGA.b['6'][1]++,scrollLeft<lastScroll.scrollLeft),isScrollRight:(__cov_$MuO_qLYo1Cy8JotuibTGA.b['7'][0]++,lastScroll)&&(__cov_$MuO_qLYo1Cy8JotuibTGA.b['7'][1]++,scrollLeft>lastScroll.scrollLeft),isScrollUp:(__cov_$MuO_qLYo1Cy8JotuibTGA.b['8'][0]++,lastScroll)&&(__cov_$MuO_qLYo1Cy8JotuibTGA.b['8'][1]++,scrollTop<lastScroll.scrollTop),scrollBottom:scrollBottom,scrollHeight:scrollHeight,scrollLeft:scrollLeft,scrollRight:scrollRight,scrollTop:scrollTop,scrollWidth:scrollWidth};},isNodeOnscreen:function(node,margin){__cov_$MuO_qLYo1Cy8JotuibTGA.f['9']++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['27']++;node=Y.one(node);__cov_$MuO_qLYo1Cy8JotuibTGA.s['28']++;return!!((__cov_$MuO_qLYo1Cy8JotuibTGA.b['9'][0]++,node)&&(__cov_$MuO_qLYo1Cy8JotuibTGA.b['9'][1]++,this._isElementOnscreen(node._node,margin)));},refreshDimensions:function(){__cov_$MuO_qLYo1Cy8JotuibTGA.f['10']++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['29']++;var docEl=doc.documentElement;__cov_$MuO_qLYo1Cy8JotuibTGA.s['30']++;if(Y.UA.ios){__cov_$MuO_qLYo1Cy8JotuibTGA.b['10'][0]++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['31']++;this._winHeight=win.innerHeight;__cov_$MuO_qLYo1Cy8JotuibTGA.s['32']++;this._winWidth=win.innerWidth;}else{__cov_$MuO_qLYo1Cy8JotuibTGA.b['10'][1]++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['33']++;this._winHeight=docEl.clientHeight;__cov_$MuO_qLYo1Cy8JotuibTGA.s['34']++;this._winWidth=docEl.clientWidth;}__cov_$MuO_qLYo1Cy8JotuibTGA.s['35']++;if(this._hostIsBody){__cov_$MuO_qLYo1Cy8JotuibTGA.b['11'][0]++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['36']++;this._height=this._winHeight;__cov_$MuO_qLYo1Cy8JotuibTGA.s['37']++;this._width=this._winWidth;}else{__cov_$MuO_qLYo1Cy8JotuibTGA.b['11'][1]++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['38']++;this._height=this._scrollNode.clientHeight;__cov_$MuO_qLYo1Cy8JotuibTGA.s['39']++;this._width=this._scrollNode.clientWidth;}__cov_$MuO_qLYo1Cy8JotuibTGA.s['40']++;this._refreshHostBoundingRect();},_bind:function(){__cov_$MuO_qLYo1Cy8JotuibTGA.f['11']++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['41']++;var winNode=Y.one('win');__cov_$MuO_qLYo1Cy8JotuibTGA.s['42']++;this._events=[this.after({scrollDelayChange:this._afterScrollDelayChange,scrollMarginChange:this._afterScrollMarginChange}),winNode.on('windowresize',this._afterResize,this)];__cov_$MuO_qLYo1Cy8JotuibTGA.s['43']++;if(this._hostIsBody){__cov_$MuO_qLYo1Cy8JotuibTGA.b['12'][0]++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['44']++;this._events.push(winNode.after('scroll',this._afterHostScroll,this));}else{__cov_$MuO_qLYo1Cy8JotuibTGA.b['12'][1]++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['45']++;this._events.push(winNode.after('scroll',this._afterWindowScroll,this),this._host.after('scroll',this._afterHostScroll,this));}},_getScrollNode:function(){__cov_$MuO_qLYo1Cy8JotuibTGA.f['12']++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['46']++;return(__cov_$MuO_qLYo1Cy8JotuibTGA.b['14'][0]++,this._hostIsBody)&&(__cov_$MuO_qLYo1Cy8JotuibTGA.b['14'][1]++,!Y.UA.webkit)?(__cov_$MuO_qLYo1Cy8JotuibTGA.b['13'][0]++,doc.documentElement):(__cov_$MuO_qLYo1Cy8JotuibTGA.b['13'][1]++,Y.Node.getDOMNode(this._host));},_isElementOnscreen:function(el,margin){__cov_$MuO_qLYo1Cy8JotuibTGA.f['13']++;__cov_$MuO_qLYo1Cy8JotuibTGA.s['47']++;var 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