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Commit 4acdf91f authored by Jiyong Park's avatar Jiyong Park
Browse files

Add support for default impl 

Addition to the meta interface for specifyin the default impl for the
interface.

Bug: 110759835
Test: system/tools/aidl/runtests.sh

Change-Id: I1290f06355bec55d68fdd9420657bdb906e58a85
parent 9f9372bc

libs/binder/include/binder/IInterface.h

+19 −0
Original line number Diff line number Diff line
@@ -72,12 +72,18 @@ protected: 
// ----------------------------------------------------------------------



#define DECLARE_META_INTERFACE(INTERFACE)                               \

public:                                                                 \

    static const ::android::String16 descriptor;                        \

    static ::android::sp<I##INTERFACE> asInterface(                     \

            const ::android::sp<::android::IBinder>& obj);              \

    virtual const ::android::String16& getInterfaceDescriptor() const;  \

    I##INTERFACE();                                                     \

    virtual ~I##INTERFACE();                                            \

    static bool setDefaultImpl(std::unique_ptr<I##INTERFACE> impl);     \

    static const std::unique_ptr<I##INTERFACE>& getDefaultImpl();       \

private:                                                                \

    static std::unique_ptr<I##INTERFACE> default_impl;                  \

public:                                                                 \





#define IMPLEMENT_META_INTERFACE(INTERFACE, NAME)                       \
@@ -100,6 +106,19 @@ protected: 
        }                                                               \

        return intr;                                                    \

    }                                                                   \

    std::unique_ptr<I##INTERFACE> I##INTERFACE::default_impl;           \

    bool I##INTERFACE::setDefaultImpl(std::unique_ptr<I##INTERFACE> impl)\

    {                                                                   \

        if (!I##INTERFACE::default_impl && impl) {                      \

            I##INTERFACE::default_impl = std::move(impl);               \

            return true;                                                \

        }                                                               \

        return false;                                                   \

    }                                                                   \

    const std::unique_ptr<I##INTERFACE>& I##INTERFACE::getDefaultImpl() \

    {                                                                   \

        return I##INTERFACE::default_impl;                              \

    }                                                                   \

    I##INTERFACE::I##INTERFACE() { }                                    \

    I##INTERFACE::~I##INTERFACE() { }                                   \