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129 lines
3.5 KiB
HTML
129 lines
3.5 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=867758
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-->
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<head>
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<title>Test for Bug 867758</title>
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<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/WindowSnapshot.js"></script>
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<script type="application/javascript" src="imgutils.js"></script>
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<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=867758">Mozilla Bug 867758</a>
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<p id="display"></p>
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<div id="content">
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</div>
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<pre id="test">
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<script type="application/javascript;version=1.8">
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/** Test for Bug 867758**/
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SimpleTest.waitForExplicitFinish();
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const FAILURE_TIMEOUT = 120000; // Fail early after 120 seconds (2 minutes)
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cu = Components.utils;
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const gContent = document.getElementById("content");
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var gDispatched = false;
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var gRanEvent = false;
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var gObserver;
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var gImg1;
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var gImg2;
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var gFirstImageLoaded = false;
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var gOuter;
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var gFinished = false;
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var gFirstRequest = null;
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function cleanUpAndFinish() {
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if (gFinished) {
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return;
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}
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var imgLoadingContent = gImg1.QueryInterface(Ci.nsIImageLoadingContent);
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imgLoadingContent.removeObserver(gOuter);
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imgLoadingContent = gImg2.QueryInterface(Ci.nsIImageLoadingContent);
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imgLoadingContent.removeObserver(gOuter);
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SimpleTest.finish();
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gFinished = true;
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}
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function frameUpdate(aRequest) {
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if (!gDispatched) {
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Promise.resolve().then(function() {
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gRanEvent = true;
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});
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gDispatched = true;
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gFirstRequest = aRequest;
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} else if (aRequest != gFirstRequest) {
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ok(!gRanEvent, "Should not have run event before all frame update events occurred!");
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cleanUpAndFinish();
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}
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}
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function failTest() {
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ok(false, "timing out after " + FAILURE_TIMEOUT + "ms. ");
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cleanUpAndFinish();
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}
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function waitForLoadAndTest(image) {
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return () => {
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// Draw the image into a canvas to ensure it's decoded.
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var canvas = document.createElement('canvas');
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var context = canvas.getContext('2d');
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context.drawImage(image, 0, 0);
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// Attach the observer.
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var imgLoadingContent = image.QueryInterface(Ci.nsIImageLoadingContent);
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imgLoadingContent.addObserver(gOuter);
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// If the other image already loaded, add both images to the document, which
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// begins the real test.
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if (gFirstImageLoaded) {
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gContent.appendChild(gImg1);
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gContent.appendChild(gImg2);
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} else {
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gFirstImageLoaded = true;
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}
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};
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}
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function main() {
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gImg1 = new Image();
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gImg2 = new Image();
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// Create and customize decoder observer
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var obs = new ImageDecoderObserverStub();
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obs.frameUpdate = frameUpdate;
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gOuter = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools).createScriptedObserver(obs);
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// We want to test the cold loading behavior, so clear cache in case an
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// earlier test got our image in there already.
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clearAllImageCaches();
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// These are two copies of the same image; hence, they have the same frame rate.
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gImg1.src = "animated1.gif";
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gImg2.src = "animated2.gif";
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// Wait for each image to load.
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gImg1.addEventListener('load', waitForLoadAndTest(gImg1));
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gImg2.addEventListener('load', waitForLoadAndTest(gImg2));
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// In case something goes wrong, fail earlier than mochitest timeout,
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// and with more information.
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setTimeout(failTest, FAILURE_TIMEOUT);
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}
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window.onload = main;
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</script>
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</pre>
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</body>
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</html>
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