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Bug 1299046: Take into account generated content in EventStateManager::PreHandleEvent. r=smaug

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This patch adds a MOZ_ASSERT. I'll try to pass it through try, and otherwise
turn it into a warning, I guess.

MozReview-Commit-ID: 9KZS6dh3wzw

--HG--
extra : rebase_source : 263cc55878fde3cea1fc0184cda4b3118e38d134
This commit is contained in:
Emilio Cobos Álvarez 2016-08-29 21:06:57 -07:00
parent c3bafd699d
commit 4a2a67b606
1 changed files with 10 additions and 1 deletions
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11
dom/events/EventStateManager.cpp
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@ -526,8 +526,17 @@ EventStateManager::PreHandleEvent(nsPresContext* aPresContext,
NS_WARN_IF_FALSE(!aTargetFrame ||
!aTargetFrame->GetContent() ||
aTargetFrame->GetContent() == aTargetContent ||
aTargetFrame->GetContent()->GetFlattenedTreeParent() == aTargetContent,
aTargetFrame->GetContent()->GetFlattenedTreeParent() == aTargetContent ||
aTargetFrame->IsGeneratedContentFrame(),
"aTargetFrame should be related with aTargetContent");
#if DEBUG
if (aTargetFrame && aTargetFrame->IsGeneratedContentFrame()) {
nsCOMPtr<nsIContent> targetContent;
aTargetFrame->GetContentForEvent(aEvent, getter_AddRefs(targetContent));
MOZ_ASSERT(aTargetContent == targetContent,
"Unexpected target for generated content frame!");
}
#endif
mCurrentTarget = aTargetFrame;
mCurrentTargetContent = nullptr;