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Bug 1917669 - Document the purpose of nsDisplayList::mIsRelativeToLayoutViewport. r=hiro DONTBUILD

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Differential Revision: https://phabricator.services.mozilla.com/D221536
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Botond Ballo 2024-09-09 21:09:47 +00:00
parent 1f769c3782
commit d155669472
1 changed files with 7 additions and 0 deletions
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7
layout/painting/nsDisplayList.h
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@ -441,6 +441,13 @@ class nsDisplayListBuilder {
* Get the scrollframe to ignore, if any.
*/
nsIFrame* GetIgnoreScrollFrame() { return mIgnoreScrollFrame; }
/**
* Set for display lists built for hit-testing a point that is already
* relative to the layout viewport. Display lists with this flag set
* do not build an async zoom container (which would transform coordinates
* relative to the visual viewport into coordinates relative to the
* layout viewport during hit-testing).
*/
void SetIsRelativeToLayoutViewport();
bool IsRelativeToLayoutViewport() const {
return mIsRelativeToLayoutViewport;