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| author | Mathias Agopian <mathias@google.com> | 2011-05-19 18:03:31 -0700 |
|---|---|---|
| committer | Mathias Agopian <mathias@google.com> | 2011-05-19 19:40:01 -0700 |
| commit | 6db8c505398a0979853f6c166e0a8bcafd9268f8 (patch) | |
| tree | af906178d8b458e0030034809bccc962bfdd59ac /include | |
| parent | 14a2935809e73a9d824888dc837f2f017100fd26 (diff) | |
| download | frameworks_base-6db8c505398a0979853f6c166e0a8bcafd9268f8.zip frameworks_base-6db8c505398a0979853f6c166e0a8bcafd9268f8.tar.gz frameworks_base-6db8c505398a0979853f6c166e0a8bcafd9268f8.tar.bz2 | |
RefBase subclasses can now decide how they want to be destroyed.
This adds a destroy() virtual on RefBase which
sublasses can implement. destroy() is called
in lieu of the destructor whenthe last strong
ref goes away.
Diffstat (limited to 'include')
| -rw-r--r-- | include/utils/RefBase.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/utils/RefBase.h b/include/utils/RefBase.h index f355087..4126225 100644 --- a/include/utils/RefBase.h +++ b/include/utils/RefBase.h @@ -51,7 +51,6 @@ inline bool operator _op_ (const U* o) const { \ } // --------------------------------------------------------------------------- - class ReferenceMover; class ReferenceConverterBase { public: @@ -120,7 +119,14 @@ public: protected: RefBase(); virtual ~RefBase(); - + + // called when the last reference goes away. this is responsible for + // calling the destructor. The default implementation just does + // "delete this;". + // Make sure to never acquire a strong reference from this function. The + // same restrictions than for destructors apply. + virtual void destroy() const; + //! Flags for extendObjectLifetime() enum { OBJECT_LIFETIME_WEAK = 0x0001, |