wine/gecko
0
0
Fork 0
mirror of https://gitlab.winehq.org/wine/wine-gecko.git synced 2024-09-13 09:24:08 -07:00
Code Issues Packages Projects Releases Wiki Activity

Bug 1081992 Needs null check at notifying TextComposition of composition event being discarded r=smaug

Browse Source
This commit is contained in:
Masayuki Nakano 2014-10-15 00:40:06 +09:00
parent 1d962eb79e
commit 0dce5a393a
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
dom/events/IMEStateManager.cpp
View File

@ -979,6 +979,16 @@ IMEStateManager::OnCompositionEventDiscarded(
nsRefPtr<TextComposition> composition =
sTextCompositions->GetCompositionFor(aCompositionEvent->widget);
if (!composition) {
// If the PresShell has been being destroyed during composition,
// a TextComposition instance for the composition was already removed from
// the array and destroyed in OnDestroyPresContext(). Therefore, we may
// fail to retrieve a TextComposition instance here.
PR_LOG(sISMLog, PR_LOG_ALWAYS,
("ISM: IMEStateManager::OnCompositionEventDiscarded(), "
"TextComposition instance for the widget has already gone"));
return;
}
composition->OnCompositionEventDiscarded(aCompositionEvent);
}