Build Identifier: http://hg.mozilla.org/mozilla-central/rev/3f26b7bee352 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0a1) Gecko/20120131 Firefox/12.0a1 ID:20120131031150 Cannot focus any input/textarea/XUL textbox after clicking Youtube Flash video under condition of dom.ipc.plugins.enabled=false Reproducible: Always Steps to Reproduce: 1. Start Firefox with clean profile 2. Set dom.ipc.plugins.enabled=false 3. Restart browser 4. Open Youtube Video( http://www.youtube.com/watch?v=55s3T7VRQSc ) in a foreground new tab 5. Wait to play the video 6. Click Flash video to pause 7. Switch to previous selected tab 8. Click Location bar Actual Results: Cannot focus. Expected Results: The textbox should be focused. Regression window(m-c) Works: http://hg.mozilla.org/mozilla-central/rev/81dedcc49ac0 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0a1) Gecko/20111108 Firefox/10.0a1 ID:20111108031146 Fails: http://hg.mozilla.org/mozilla-central/rev/c170948e646e Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0a1) Gecko/20111108 Firefox/10.0a1 ID:20111108000404 Pushlog: http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=81dedcc49ac0&tochange=c170948e646e Regression window(m-i) Works: http://hg.mozilla.org/integration/mozilla-inbound/rev/f70682372656 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0a1) Gecko/20111107 Firefox/10.0a1 ID:20111107143440 Fails: http://hg.mozilla.org/integration/mozilla-inbound/rev/be3714af7869 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0a1) Gecko/20111107 Firefox/10.0a1 ID:20111107173846 Pushlog: http://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=f70682372656&tochange=be3714af7869 Suspected: Bug 699885

Java applet also problem, because dom.ipc.plugins.java.enabled=false by default Reproducible: Always Steps to Reproduce: 1. Start Firefox with clean profile + Java Plugin 2. Open Java applet( http://java.sun.com/applets/jdk/1.4/demo/applets/ArcTest/example1.html ) in a foreground new tab 3. Wait page lading complete. 4. Click Java applet 5. Switch to previous selected tab 6. Click Location bar Actual Results: Cannot focus. Expected Results: The textbox should be focused.

Regressed by: bea7ecf9084e Chris Pearce — Bug 699885 part 1 - Ensure we dispatch 'deactivate' event to chrome window when we lose focus while changing to full-screen mode. r=roc

This link in comment#2 has a broken link. Please use the following link instead. Java applet http://nis-lab.is.s.u-tokyo.ac.jp/~nis/javaexampl/javtool/colmodel.html