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Bug 1117712 - Update the screen-to-local transform matrix for an input block if the target APZC changes. r=kats

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This commit is contained in:
Botond Ballo 2015-01-14 10:16:26 -05:00
parent a53babd8c4
commit bf5d010493
1 changed files with 1 additions and 0 deletions
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1
gfx/layers/apz/src/InputBlockState.cpp
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@ -51,6 +51,7 @@ InputBlockState::SetConfirmedTargetApzc(const nsRefPtr<AsyncPanZoomController>&
// note that aTargetApzc MAY be null here.
mTargetApzc = aTargetApzc;
mTransformToApzc = aTargetApzc ? aTargetApzc->GetTransformToThis() : gfx::Matrix4x4();
mOverscrollHandoffChain = (mTargetApzc ? mTargetApzc->BuildOverscrollHandoffChain() : nullptr);
return true;
}