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9ee8c16efe
These are all no-ops because the objects involved are already implementing one of the WebIDL interfaces that pulls in MozImageLoadingContent, and that's all script gets to see. MozReview-Commit-ID: Io2mLHbv7qM
49 lines
1.7 KiB
HTML
49 lines
1.7 KiB
HTML
<!DOCTYPE html>
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<html class="reftest-wait">
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<body>
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<div id=tCF0>
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<img id=victim src=ie.png>
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<iframe src=discardframe.htm></iframe>
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</div>
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<script>
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const Ci = SpecialPowers.Ci;
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const Cc = SpecialPowers.Cc;
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function ImageDecoderObserverStub()
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{
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this.sizeAvailable = function sizeAvailable(aRequest) {}
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this.frameComplete = function frameComplete(aRequest) {}
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this.decodeComplete = function decodeComplete(aRequest) {}
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this.loadComplete = function loadComplete(aRequest) {}
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this.frameUpdate = function frameUpdate(aRequest) {}
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this.discard = function discard(aRequest) {}
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this.isAnimated = function isAnimated(aRequest) {}
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}
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var img = document.getElementById('victim');
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var observer = new ImageDecoderObserverStub();
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observer.discard = function() {
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cleanupAndFinish();
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}
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observer = SpecialPowers.wrapCallbackObject(observer);
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var gObserver = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
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.createScriptedObserver(observer);
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var imgLoadingContent = SpecialPowers.wrap(img);
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imgLoadingContent.addObserver(gObserver);
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function initCF() {
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setTimeout(function() { document.adoptNode(tCF0); }, 0);
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}
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document.addEventListener("DOMContentLoaded", initCF);
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function cleanupAndFinish() {
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imgLoadingContent.removeObserver(gObserver);
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setTimeout("document.documentElement.className = '';", 0);
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}
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function loadhandler() {
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setTimeout("cleanupAndFinish();", 30000);
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}
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window.addEventListener("load", function() {
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SpecialPowers.pushPrefEnv({"set":[["min_discard_timeout_ms", 1]]}, loadhandler)});
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</script>
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</body>
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</html>
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