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74 lines
1.6 KiB
HTML
74 lines
1.6 KiB
HTML
<!doctype html>
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<html>
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<script type="application/javascript;version=1.8">
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var img;
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var audio;
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var iframe;
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addEventListener("message", function(e) {
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mess = JSON.parse(e.data);
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if ("img" in mess)
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img.src = mess.img;
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else if ("audio" in mess)
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audio.src = mess.audio
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else if ("iframe" in mess)
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iframe.src = mess.iframe;
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else if ("xhr" in mess) {
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let xhr = new XMLHttpRequest();
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xhr.onload = function() {
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sendItUp({ text: xhr.responseText });
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}
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try {
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xhr.open("GET", mess.xhr);
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xhr.send();
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}
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catch (ex) {
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sendItUp({ didThrow: true });
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}
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}
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}, false);
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function sendItUp(obj) {
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window.parent.postMessage(JSON.stringify(obj), "*");
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}
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function audioNotifyParent(e) {
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sendItUp({ type: e.type });
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}
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function imgNotifyParent(e) {
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sendItUp({ type: e.type,
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width: e.target.width,
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height: e.target.height });
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}
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function iframeNotifyParent(e) {
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res = { type: e.type };
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try {
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res.text = e.target.contentDocument.getElementsByTagName("p")[0].textContent;
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} catch (ex) {}
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try {
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res.imgWidth = e.target.contentDocument.getElementById("img").width;
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} catch (ex) {}
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sendItUp(res);
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}
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onload = function() {
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img = document.getElementById('img');
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img.onerror = img.onload = imgNotifyParent;
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iframe = document.getElementById('iframe');
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iframe.onerror = iframe.onload = iframeNotifyParent;
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audio = document.getElementById('audio');
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audio.onerror = audio.onloadeddata = audioNotifyParent;
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}
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</script>
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<body>
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<img id=img>
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<audio id=audio>
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<iframe id=iframe></iframe>
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</html>
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