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/* -------------------------------------------
Copyright ZKA Web Services Co.
File: rt.internal.inl
Purpose: Base code of XPCOM.
------------------------------------------- */
/// @internal Reserved for internal definitions only.
#ifndef __TOOLCHAINKIT__
#define object class
#define protocol class
#define clsid(X)
#warning ! You may be using the clang compiler, please be cautious that some features mayn't be present. !
#endif // !__TOOLCHAINKIT__
protocol IUnknown; // Refrenced from an IDB entry.
protocol ICLSID; // From the IDB, the constructor of the object, e.g: TextUCLSID.
object UUID;
object IStr;
/// @brief Unknown XPCOM interface
protocol clsid("d7c144b6-0792-44b8-b06b-02b227b547df") IUnknown
{
public:
explicit IUnknown() = default;
virtual ~IUnknown() = default;
IUnknown& operator=(const IUnknown&) = default;
IUnknown(const IUnknown&) = default;
virtual SInt32 Release() = 0;
virtual Void RemoveRef() = 0;
virtual IUnknown* AddRef() = 0;
virtual VoidPtr QueryClass(UUID * p_uuid) = 0;
};
/// @brief Allocate new XPCOM object.
/// @tparam TCLS the class type.
/// @tparam UCLSID UCLS factory class type.
/// @param uclsidOfCls UCLS factory class
/// @return TCLS interface
template <typename TCLS, typename UCLSID, typename... Args>
inline TCLS* XPCOMQueryInterface(UCLSID* uclsidOfCls, Args&&... args)
{
if (uclsidOfCls == nullptr)
return nullptr;
uclsidOfCls->AddRef();
return uclsidOfCls->QueryInterfaceWithArgs(args...);
}
/// @brief Release XPCOM object.
/// @tparam TCLS the class type.
/// @param cls the class to release.
/// @return status code.
template <typename TCLS>
inline SInt32 XPCOMReleaseClass(TCLS** cls)
{
if (!*cls)
return -kErrorInvalidData;
(*cls)->RemoveRef();
(*cls)->Release();
*cls = nullptr;
return kErrorSuccess;
}
/// @brief Event listener interface.
/// @tparam FnSign the event listener function type.
/// @tparam ClsID the event listener class ID.
template <typename FnSign, typename ClsID>
protocol IEventListener : public ClsID
{
friend ClsID;
explicit IEventListener() = default;
virtual ~IEventListener() = default;
IEventListener& operator=(const IEventListener&) = default;
IEventListener(const IEventListener&) = default;
virtual IEventListener& operator-=(const IStr* event_name)
{
this->RemoveEventListener(event_name);
return *this;
}
virtual IEventListener& operator+=(FnSign arg)
{
this->AddEventListener(arg);
return *this;
}
};
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