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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-05-28 15:18:04 +0200 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-05-28 18:22:24 +0200 |
| commit | 4ad94cfde9ffbb8b32b461ed288327e17ea936c9 (patch) | |
| tree | a49c7ef0adedeacd788fe4e1533ca57a0e3674d9 /gfx/layers/composite/CanvasLayerComposite.cpp | |
| parent | 204a9291968bedebf780d5e20394d36830bb417e (diff) | |
| download | UXP-4ad94cfde9ffbb8b32b461ed288327e17ea936c9.tar UXP-4ad94cfde9ffbb8b32b461ed288327e17ea936c9.tar.gz UXP-4ad94cfde9ffbb8b32b461ed288327e17ea936c9.tar.lz UXP-4ad94cfde9ffbb8b32b461ed288327e17ea936c9.tar.xz UXP-4ad94cfde9ffbb8b32b461ed288327e17ea936c9.zip | |
Make extra sure Compositables don't refer back to layers after reassignment.
Diffstat (limited to 'gfx/layers/composite/CanvasLayerComposite.cpp')
| -rw-r--r-- | gfx/layers/composite/CanvasLayerComposite.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gfx/layers/composite/CanvasLayerComposite.cpp b/gfx/layers/composite/CanvasLayerComposite.cpp index 3c8299e05..86f25b1ee 100644 --- a/gfx/layers/composite/CanvasLayerComposite.cpp +++ b/gfx/layers/composite/CanvasLayerComposite.cpp @@ -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; } |