<!DOCTYPE HTML> <html> <head> <title>Mute window before the plugin starts playing</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <pre id="test"> </pre> <iframe></iframe> <script type="application/javascript"> // Copied from /dom/plugins/test/mochitest/utils.js function getTestPlugin(pluginName) { var ph = SpecialPowers.Cc["@mozilla.org/plugin/host;1"] .getService(SpecialPowers.Ci.nsIPluginHost); var tags = ph.getPluginTags(); var name = pluginName || "Test Plug-in"; for (var tag of tags) { if (tag.name == name) { return tag; } } ok(false, "Could not find plugin tag with plugin name '" + name + "'"); return null; } // Copied from /dom/plugins/test/mochitest/utils.js function setTestPluginEnabledState(newEnabledState, pluginName) { var oldEnabledState = SpecialPowers.setTestPluginEnabledState(newEnabledState, pluginName); if (!oldEnabledState) { return; } var plugin = getTestPlugin(pluginName); while (plugin.enabledState != newEnabledState) { // Run a nested event loop to wait for the preference change to // propagate to the child. Yuck! SpecialPowers.Services.tm.currentThread.processNextEvent(true); } SimpleTest.registerCleanupFunction(function() { SpecialPowers.setTestPluginEnabledState(oldEnabledState, pluginName); }); } setTestPluginEnabledState(SpecialPowers.Ci.nsIPluginTag.STATE_ENABLED); SimpleTest.waitForExplicitFinish(); function runTest() { var iframe = document.querySelector("iframe"); iframe.src = "file_pluginAudioNonAutoStart.html"; function muteBeforePlay() { ok(!iframe.contentWindow.pluginMuted(), "Plugin should not be muted"); iframe.contentWindow.toggleMuteState(true); iframe.contentWindow.startAudio(); ok(iframe.contentWindow.pluginMuted(), "Plugin should still be muted after playing"); iframe.contentWindow.stopAudio(); SimpleTest.finish(); } iframe.onload = function() { ok(true, "Already load iframe."); muteBeforePlay(); } } onload = runTest; </script> </body> </html>