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Bug 570620, part h: Add a Layer::Disconnect interface. sr=vlad

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This commit is contained in:
Chris Jones 2010-08-20 18:24:41 -05:00
parent b59148a17a
commit d839c7e1a5
1 changed files with 11 additions and 0 deletions
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11
gfx/layers/Layers.h
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@ -460,6 +460,17 @@ public:
// quality.
PRBool CanUseOpaqueSurface();
/**
* |Disconnect()| is used by layers hooked up over IPC. It may be
* called at any time, and may not be called at all. Using an
* IPC-enabled layer after Destroy() (drawing etc.) results in a
* safe no-op; no crashy or uaf etc.
*
* XXX: this interface is essentially LayerManager::Destroy, but at
* Layer granularity. It might be beneficial to unify them.
*/
virtual void Disconnect() {}
// This setter and getter can be used anytime. The user data is initially
// null.
void SetUserData(void* aData) { mUserData = aData; }