зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1081992 Needs null check at notifying TextComposition of composition event being discarded r=smaug
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9fe74dfec0
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ec55989494
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@ -979,6 +979,16 @@ IMEStateManager::OnCompositionEventDiscarded(
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nsRefPtr<TextComposition> composition =
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nsRefPtr<TextComposition> composition =
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sTextCompositions->GetCompositionFor(aCompositionEvent->widget);
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sTextCompositions->GetCompositionFor(aCompositionEvent->widget);
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if (!composition) {
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// If the PresShell has been being destroyed during composition,
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// a TextComposition instance for the composition was already removed from
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// the array and destroyed in OnDestroyPresContext(). Therefore, we may
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// fail to retrieve a TextComposition instance here.
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PR_LOG(sISMLog, PR_LOG_ALWAYS,
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("ISM: IMEStateManager::OnCompositionEventDiscarded(), "
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"TextComposition instance for the widget has already gone"));
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return;
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}
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composition->OnCompositionEventDiscarded(aCompositionEvent);
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composition->OnCompositionEventDiscarded(aCompositionEvent);
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}
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}
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