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Migrating patch from trunk to branch: prevent crash by clearing undisplayed map when style sheet is added. b=118014 r=dbaron sr=kin a=asa and jaimejr

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git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_0_BRANCH@119032 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
attinasi%netscape.com
2002-04-16 00:03:15 +00:00
parent 849a03fcf4
commit 673fac74ae
1 changed files with 10 additions and 6 deletions
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16
mozilla/layout/html/base/src/nsPresShell.cpp
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@@ -5361,15 +5361,19 @@ PresShell::ReconstructStyleData(PRBool aRebuildRuleTree)
cssFrameConstructor->ProcessRestyledFrames(changeList, mPresContext);
changeList.Clear();
// Clear all undisplayed content in the undisplayed content map.
// These cached style contexts will no longer be valid following
// a full rule tree reconstruct.
frameManager->ClearUndisplayedContentMap();
// Now do a complete re-resolve of our style tree.
set->BeginRuleTreeReconstruct();
}
// Clear all undisplayed content in the undisplayed content map.
// These cached style contexts will no longer be valid
//
// HACK? see bug 118014 - this is really being done because some XUL anonymous content
// may have been removed but not cleared from the undisplayed map
// - this should be removed when bug 136704 is fixed
frameManager->ClearUndisplayedContentMap();
PRInt32 frameChange = NS_STYLE_HINT_NONE;
frameManager->ComputeStyleChangeFor(mPresContext, rootFrame,
kNameSpaceID_Unknown, nsnull,