| <DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| </head> |
| <body onload="runTest()"> |
| <div id="scroller" style="width: 800px; overflow: hidden"> |
| <div id="scroller-cont" style="height: 245px; width: 1600px; position: relative; top: 0; left: 0; -webkit-transform: translate(0px, 0px) translateZ(0px);"> |
| <div id="wrapper1" style="-webkit-transform: translate3d(0px, 0px, 0px); width: 800px; height: 245px; float: left; margin: 0; padding: 0"> |
| <img id="a" src="resources/animated.gif"/> |
| </div> |
| <div id="wrapper2" style="-webkit-transform: translate3d(0px, 0px, 0px); width: 800px; height: 245px; float: left; margin: 0; padding: 0"> |
| <img id="b" src="resources/animated-10color.gif"/> |
| </div> |
| </div> |
| </div> |
| <script> |
| description("Test that animated images are correctly paused / resumed when translated in and out of view using -webkit-transform."); |
| jsTestIsAsync = true; |
| |
| function isFirstImagePaused() { |
| return internals.hasPausedImageAnimations(document.getElementById('a')); |
| } |
| |
| function isSecondImagePaused() { |
| return internals.hasPausedImageAnimations(document.getElementById('b')); |
| } |
| |
| function forceLayout() { |
| document.getElementById("scroller-cont").offsetLeft; |
| } |
| |
| function checkSecondImageUnpaused() { |
| shouldBecomeEqual("isSecondImagePaused()", "false", translateImagesRight); |
| } |
| |
| function checkSecondImagePaused() { |
| shouldBecomeEqual("isSecondImagePaused()", "true", finishJSTest); |
| } |
| |
| function translateImagesLeft() { |
| shouldBeFalse("isFirstImagePaused()"); |
| debug("Translating images left so that first image is no longer visible, but second image is."); |
| forceLayout(); |
| document.getElementById("scroller-cont").style["-webkit-transform"] = "translate(-800px, 0px)"; |
| shouldBecomeEqual("isFirstImagePaused()", "true", checkSecondImageUnpaused); |
| } |
| |
| function translateImagesRight() { |
| debug("Translating images right so that second image is no longer visible, but first image is."); |
| forceLayout(); |
| document.getElementById("scroller-cont").style["-webkit-transform"] = "translate(0px, 0px)"; |
| shouldBecomeEqual("isFirstImagePaused()", "false", checkSecondImagePaused); |
| } |
| |
| function runTest() { |
| shouldBecomeEqual("isFirstImagePaused()", "false", function() { |
| shouldBecomeEqual("isSecondImagePaused()", "true", translateImagesLeft); |
| }); |
| } |
| |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
