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Bug 1368547 - Remove nsFrameManagerBase::mPlaceholderMap and instead store the placeholder on a frame property on the out-of-flow

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Tag #1375
This commit is contained in:
Matt A. Tobin 2020-04-17 06:07:51 -04:00 • committed by Roy Tam
commit 9b868f0298
18 changed files with 52 additions and 166 deletions
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13
layout/generic/nsIFrame.h
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@ -82,6 +82,7 @@ class nsLineList_iterator;
class nsAbsoluteContainingBlock;
class nsIContent;
class nsContainerFrame;
class nsPlaceholderFrame;
struct nsPeekOffsetStruct;
struct nsPoint;
@ -728,6 +729,16 @@ public:
*/
inline nsContainerFrame* GetInFlowParent();
/**
* Return the placeholder for this frame (which must be out-of-flow).
* @note this will only return non-null if |this| is the first-in-flow
* although we don't assert that here for legacy reasons.
*/
inline nsPlaceholderFrame* GetPlaceholderFrame() const {
MOZ_ASSERT(HasAnyStateBits(NS_FRAME_OUT_OF_FLOW));
return GetProperty(PlaceholderFrameProperty());
}
/**
* Set this frame's parent to aParent.
* If the frame may have moved into or out of a scrollframe's
@ -1047,6 +1058,8 @@ public:
NS_DECLARE_FRAME_PROPERTY_SMALL_VALUE(BidiDataProperty, mozilla::FrameBidiData)
NS_DECLARE_FRAME_PROPERTY_WITHOUT_DTOR(PlaceholderFrameProperty, nsPlaceholderFrame)
mozilla::FrameBidiData GetBidiData()
{
return GetProperty(BidiDataProperty());