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Make extra sure Compositables don't refer back to layers after reassignment.

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wolfbeast 2019-05-28 15:18:04 +02:00 • committed by Roy Tam
commit 706ac5f0a4
3 changed files with 19 additions and 5 deletions
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6
gfx/layers/composite/CanvasLayerComposite.cpp
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@ -43,9 +43,13 @@ bool
CanvasLayerComposite::SetCompositableHost(CompositableHost* aHost)
{
switch (aHost->GetType()) {
case CompositableType::IMAGE:
case CompositableType::IMAGE: {
if (mCompositableHost && aHost != mCompositableHost) {
mCompositableHost->Detach(this);
}
mCompositableHost = aHost;
return true;
}
default:
return false;
}