Function getContentClientRect

FlashViewer-HTML5 Video/flashViewer.user.js:232–250

(elem)

        //获取内容区域到版边的距离
        function getContentClientRect(elem) {
            var rect = elem.getBoundingClientRect();
            var compStyle = getComputedStyle(elem);

            var top = rect.top + parseFloat(compStyle.paddingTop) + parseFloat(compStyle.borderTopWidth);
            var left = rect.left + parseFloat(compStyle.paddingLeft) + parseFloat(compStyle.borderLeftWidth);

            var right = rect.right - parseFloat(compStyle.paddingRight) - parseFloat(compStyle.borderRightWidth);
            var bottom = rect.bottom - parseFloat(compStyle.paddingBottom) - parseFloat(compStyle.borderBottomWidth);

            return {
                top: top,
                right: right,
                bottom: bottom,
                left: left,
                width: right - left,
                height: bottom - top,
            };
        };


        var escapeHTMLPolicy;