JDK-6968959 : Modality depth is not maintained correctly for IE window
  • Type: Bug
  • Component: deploy
  • Sub-Component: plugin
  • Affected Version: 5.0u17-crev
  • Priority: P2
  • Status: Closed
  • Resolution: Fixed
  • OS: windows_vista
  • CPU: x86
  • Submitted: 2010-07-14
  • Updated: 2011-02-17
  • Resolved: 2010-08-13
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5.0u17-crev b04Fixed
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Description
Vista, IE7 + 5u17 based custom revision.

While working on an IE window activation issue when one of modal dialogs is closed,
it turned out that moving focus to next modal dialog at a close of a modal 
dialog was not enough.  

IE window can be activated by clicking title bar even if a modal JDialog is still shown.

Comments
SUGGESTED FIX These are joint requests for CR 6954221 and CR 6968959. Webrev: http://jpsesvr.sfbay.sun.com:8080/ctetools/html/ViewDetail.jsp?index=3668 RTI: https://jetsvr.sfbay.sun.com:8443/BugApproval/ViewDetail.jsp?index=9965
2010-08-12

EVALUATION This issue happens because the original fix for CR 6579743 does not take into account nested modality. The following condition in AwtDialog::DisableTopLevelsCallback() if (hWndComponent == NULL && hParent != NULL && IsWindowEnabled(hParent) && <<<=== IsWindowVisible(hParent) ) { AwtDialog::IncrementDisabledLevel(hParent, 1); } does not allow to properly maintain the disabled level counter for the native parent window of the modal dialog (that is the browser window in the customer's test case). There are two approaches to fix this problem: 1) To left this "native parent window" check for the modal dialog only. In this case we can move it to AwtDialog::ModalEnable() and AwtDialog::ModalDisable() methods. 2) To do the "native parent window" check for all Java windows run in the given toolkit. For now the first approach was chosen and successfully verified by the customer. But in case of further modality-related problems, it makes sense to try the second approach.
2010-08-04