204 lines
5.7 KiB
HTML
Executable File
204 lines
5.7 KiB
HTML
Executable File
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<title>QUnit LoadHide</title>
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<link rel="stylesheet" href="resources/qunit.css" />
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</head>
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<body>
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<div id="qunit"></div>
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<div id="qunit-fixture">
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<div style="width:600px;">
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<iframe
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src="resources/frame.content.html"
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width="100%"
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scrolling="no"
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></iframe>
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</div>
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</div>
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<script src="resources/qunit.js"></script>
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<script src="resources/jquery.js"></script>
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<script>
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/*
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* File: jquery.iframeSizer.js
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* Desc: Force cross domain iframes to size to content.
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* Requires: iframeSizer.contentWindow.js to be loaded into the target frame.
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* Author: David J. Bradshaw - dave@bradshaw.net
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* Date: 2013-06-14
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*/
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;(function($) {
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var msgId = '[iFrameSizer]', //Must match iframe msg ID
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msgIdLen = msgId.length,
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count = 0,
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settings,
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defaults = {
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log: false,
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contentWindowBodyMargin: 8,
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doHeight: true,
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doWidth: false,
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interval: 0,
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enablePublicMethods: false,
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callback: function() {}
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}
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function setupRAF() {
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var vendors = ['moz', 'webkit', 'o', 'ms'],
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x
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// Remove vendor prefixing if prefixed and break early if not
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for (
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x = 0;
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x < vendors.length && !window.requestAnimationFrame;
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x += 1
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) {
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window.requestAnimationFrame =
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window[vendors[x] + 'RequestAnimationFrame']
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}
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// If not supported then just call callback
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if (!window.requestAnimationFrame) {
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log(' RequestAnimationFrame not supported')
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window.requestAnimationFrame = function(callback) {
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callback()
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}
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}
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}
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function log(msg) {
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if (window.console) {
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console.log(msgId + '[Host page]' + msg)
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}
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}
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setupRAF()
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$(window).on('message', function(event) {
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function receiver(msg) {
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function resize() {
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function setDimension(dimension) {
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window.requestAnimationFrame(function() {
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messageData.iframe.style[dimension] =
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messageData[dimension] + 'px'
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log(
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' ' +
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messageData.iframe.id +
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' ' +
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dimension +
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' set to ' +
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messageData[dimension] +
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'px'
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)
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})
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}
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if (settings.doHeight) {
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setDimension('height')
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}
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if (settings.doWidth) {
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setDimension('width')
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}
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}
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function processMsg() {
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var data = msg.slice(msgIdLen).split(':')
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messageData = {
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iframe: document.getElementById(data[0]),
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height: data[1],
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width: data[2]
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}
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}
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var messageData = {}
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//check message is for us.
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if (msgId === msg.slice(0, msgIdLen)) {
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processMsg()
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resize()
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settings.callback(messageData, settings)
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}
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}
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receiver(event.originalEvent.data)
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})
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$.fn.iFrameSizer = function(options) {
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settings = $.extend({}, defaults, options)
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return this.each(function() {
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function isIframe() {
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return iframe.contentWindow ? true : false
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}
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//We have to call trigger twice, as we can not be sure if all
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//iframes have completed loading when this code runs.
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function init() {
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iframe.style.overflow = 'hidden'
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iframe.scrolling = 'no'
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$(iframe).on('load', function() {
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trigger('iFrame.onload')
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})
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trigger('init')
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}
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function trigger(calleeMsg) {
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function ensureHasId() {
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if ('' === iframe.id) {
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iframe.id = 'iFrameSizer' + count++
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log(' Added missing iframe ID: ' + iframe.id)
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}
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}
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function postMessageToIframe() {
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var msg =
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iframe.id +
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':' +
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settings.contentWindowBodyMargin +
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':' +
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settings.doWidth +
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':' +
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settings.log +
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':' +
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settings.interval +
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':' +
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settings.enablePublicMethods
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log(
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'[' + calleeMsg + '] Sending init msg to iframe (' + msg + ')'
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)
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iframe.contentWindow.postMessage(msgId + msg, '*')
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}
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ensureHasId()
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postMessageToIframe()
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}
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var iframe = this
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if (isIframe()) {
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init()
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}
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})
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}
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})(window.jQuery)
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</script>
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<script>
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'use strict'
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var msgId = '[iFrameSizerTest]:'
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asyncTest('postMessage Response', function() {
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$('iframe').iFrameSizer({
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callback: function(messageData) {
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//console.log('Receive message back from iFrame.')
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ok(true, 'Receive message back from iFrame.')
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ok('600' === messageData.width, 'iFrame width = 600.')
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start()
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}
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})
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})
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</script>
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</body>
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</html>
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