mirror of https://github.com/zulip/zulip.git
45 lines
972 B
JavaScript
45 lines
972 B
JavaScript
var viewport = (function () {
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var exports = {};
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var jwindow;
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var height;
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var width;
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exports.scrollTop = function viewport_scrollTop () {
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return jwindow.scrollTop.apply(jwindow, arguments);
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};
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exports.height = function viewport_height() {
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if (arguments.length !== 0) {
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height = undefined;
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return jwindow.height.apply(jwindow, arguments);
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}
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if (height === undefined) {
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height = $(window).height();
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}
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return height;
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};
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exports.width = function viewport_width() {
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if (arguments.length !== 0) {
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width = undefined;
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return jwindow.width.apply(jwindow, arguments);
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}
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if (width === undefined) {
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width = jwindow.width();
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}
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return width;
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};
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$(function () {
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jwindow = $(window);
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// This handler must be placed before all resize handlers in our application
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jwindow.resize(function () {
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height = undefined;
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width = undefined;
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});
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});
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return exports;
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}());
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