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-rw-r--r--image/test/mochitest/child.html22
1 files changed, 22 insertions, 0 deletions
diff --git a/image/test/mochitest/child.html b/image/test/mochitest/child.html
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+++ b/image/test/mochitest/child.html
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+<!DOCTYPE html>
+<meta charset=utf-8>
+<script src="imgutils.js"></script>
+<img id="img" src="animated1.gif">
+<script>
+ let observer = new ImageDecoderObserverStub();
+ observer.decodeComplete = () => {
+ parent.postMessage("decodeComplete", "*");
+ };
+ observer.loadComplete = () => {
+ parent.postMessage("loadComplete", "*");
+ };
+ observer = SpecialPowers.wrapCallbackObject(observer);
+ const gObserver = SpecialPowers.Cc["@mozilla.org/image/tools;1"]
+ .getService(SpecialPowers.Ci.imgITools)
+ .createScriptedObserver(observer);
+ const img = document.getElementById("img");
+ SpecialPowers.wrap(img).addObserver(gObserver);
+ window.addEventListener("unload", () => {
+ SpecialPowers.wrap(img).removeObserver(gObserver);
+ });
+</script>