1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef mozilla_mscom_DispatchForwarder_h 8 #define mozilla_mscom_DispatchForwarder_h 9 10 #include <oaidl.h> 11 12 #include "mozilla/mscom/Interceptor.h" 13 #include "mozilla/mscom/Ptr.h" 14 15 namespace mozilla { 16 namespace mscom { 17 18 class DispatchForwarder final : public IDispatch { 19 public: 20 static HRESULT Create(IInterceptor* aInterceptor, 21 STAUniquePtr<IDispatch>& aTarget, IUnknown** aOutput); 22 23 // IUnknown 24 STDMETHODIMP QueryInterface(REFIID riid, void** ppv) override; 25 STDMETHODIMP_(ULONG) AddRef() override; 26 STDMETHODIMP_(ULONG) Release() override; 27 28 // IDispatch 29 STDMETHODIMP GetTypeInfoCount( 30 /* [out] */ __RPC__out UINT* pctinfo) override; 31 32 STDMETHODIMP GetTypeInfo( 33 /* [in] */ UINT iTInfo, 34 /* [in] */ LCID lcid, 35 /* [out] */ __RPC__deref_out_opt ITypeInfo** ppTInfo) override; 36 37 STDMETHODIMP GetIDsOfNames( 38 /* [in] */ __RPC__in REFIID riid, 39 /* [size_is][in] */ __RPC__in_ecount_full(cNames) LPOLESTR* rgszNames, 40 /* [range][in] */ __RPC__in_range(0, 16384) UINT cNames, 41 /* [in] */ LCID lcid, 42 /* [size_is][out] */ __RPC__out_ecount_full(cNames) DISPID* rgDispId) 43 override; 44 45 STDMETHODIMP Invoke( 46 /* [annotation][in] */ 47 _In_ DISPID dispIdMember, 48 /* [annotation][in] */ 49 _In_ REFIID riid, 50 /* [annotation][in] */ 51 _In_ LCID lcid, 52 /* [annotation][in] */ 53 _In_ WORD wFlags, 54 /* [annotation][out][in] */ 55 _In_ DISPPARAMS* pDispParams, 56 /* [annotation][out] */ 57 _Out_opt_ VARIANT* pVarResult, 58 /* [annotation][out] */ 59 _Out_opt_ EXCEPINFO* pExcepInfo, 60 /* [annotation][out] */ 61 _Out_opt_ UINT* puArgErr) override; 62 63 private: 64 DispatchForwarder(IInterceptor* aInterceptor, 65 STAUniquePtr<IDispatch>& aTarget); 66 ~DispatchForwarder(); 67 68 private: 69 ULONG mRefCnt; 70 RefPtr<IInterceptor> mInterceptor; 71 STAUniquePtr<IDispatch> mTarget; 72 RefPtr<ITypeInfo> mTypeInfo; 73 RefPtr<IUnknown> mInterface; 74 }; 75 76 } // namespace mscom 77 } // namespace mozilla 78 79 #endif // mozilla_mscom_DispatchForwarder_h 80