| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="../resources/js-test-pre.js"></script> |
| <script> |
| description("Tests that silent WebAudio rendering gets interrupted in hidden pages."); |
| jsTestIsAsync = true; |
| |
| document.onvisibilitychange = function() { |
| if (document.hidden) { |
| shouldBecomeEqual("context.state", "'interrupted'", showPage); |
| } else { |
| shouldBecomeEqual("context.state", "'running'", finishJSTest); |
| } |
| } |
| |
| function showPage() |
| { |
| debug("* Setting page visibility to visible"); |
| if (window.testRunner) |
| testRunner.setPageVisibility("visible"); |
| } |
| |
| function hidePage() |
| { |
| debug("* Setting page visibility to hidden"); |
| if (window.testRunner) |
| testRunner.setPageVisibility("hidden"); |
| } |
| |
| onload = function() { |
| context = new AudioContext(); |
| |
| audioElement = document.createElement("audio"); |
| audioElement.loop = true; |
| audioElement.muted = true; |
| audioElement.src = "../media/content/test.wav"; |
| source = context.createMediaElementSource(audioElement); |
| |
| var gainNode = context.createGain(); |
| source.connect(gainNode); |
| gainNode.connect(context.destination); |
| gainNode.gain.value = 0; // Mute. |
| |
| shouldBecomeEqual("context.state", "'running'", hidePage); |
| } |
| </script> |
| <script src="../resources/js-test-post.js"></script> |
| </body> |
| </html> |
