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Bug 1302470 Part 4: Fix the case where HTML buttons need to generate display item children when doing opaque hit tests. r=mattwoodrow

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MozReview-Commit-ID: HwDYsnMJkM8

--HG--
extra : rebase_source : 4de1945f2a53e1f7f52bb59639330c45530610c4
This commit is contained in:
Brad Werth 2016-11-30 14:35:37 -08:00
parent 3ae93f9a3a
commit 8872dcf750
2 changed files with 3 additions and 2 deletions
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3
layout/base/nsLayoutUtils.cpp
View File

@ -3232,6 +3232,8 @@ nsLayoutUtils::GetFramesForArea(nsIFrame* aFrame, const nsRect& aRect,
builder.SetDescendIntoSubdocuments(false);
}
builder.SetHitTestShouldStopAtFirstOpaque(aFlags & ONLY_VISIBLE);
builder.EnterPresShell(aFrame);
aFrame->BuildDisplayListForStackingContext(&builder, aRect, &list);
builder.LeavePresShell(aFrame, nullptr);
@ -3247,7 +3249,6 @@ nsLayoutUtils::GetFramesForArea(nsIFrame* aFrame, const nsRect& aRect,
#endif
nsDisplayItem::HitTestState hitTestState;
builder.SetHitTestShouldStopAtFirstOpaque(aFlags & ONLY_VISIBLE);
list.HitTest(&builder, aRect, &hitTestState, &aOutFrames);
list.DeleteAll();
return NS_OK;

2
layout/forms/nsHTMLButtonControlFrame.cpp
View File

@ -119,7 +119,7 @@ nsHTMLButtonControlFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
nsDisplayListCollection set;
// Do not allow the child subtree to receive events.
if (!isForEventDelivery) {
if (!isForEventDelivery || aBuilder->HitTestShouldStopAtFirstOpaque()) {
DisplayListClipState::AutoSaveRestore clipState(aBuilder);
if (ShouldClipPaintingToBorderBox()) {