71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_mscom_MainThreadHandoff_h
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#define mozilla_mscom_MainThreadHandoff_h
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#include "mozilla/Assertions.h"
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#include "mozilla/Move.h"
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#include "mozilla/mscom/Interceptor.h"
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#include "mozilla/mscom/MainThreadInvoker.h"
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#include "mozilla/mscom/Utils.h"
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#include "mozilla/Mutex.h"
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#include "nsTArray.h"
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namespace mozilla {
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namespace mscom {
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struct ArrayData;
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class MainThreadHandoff final : public IInterceptorSink
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, public ICallFrameWalker
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{
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public:
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static HRESULT Create(IInterceptorSink** aOutput);
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template <typename Interface>
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static HRESULT WrapInterface(STAUniquePtr<Interface> aTargetInterface,
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Interface** aOutInterface)
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{
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MOZ_ASSERT(!IsProxy(aTargetInterface.get()));
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RefPtr<IInterceptorSink> handoff;
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HRESULT hr = MainThreadHandoff::Create(getter_AddRefs(handoff));
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if (FAILED(hr)) {
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return hr;
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}
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return CreateInterceptor(Move(aTargetInterface), handoff, aOutInterface);
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}
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// IUnknown
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STDMETHODIMP QueryInterface(REFIID riid, void** ppv) override;
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STDMETHODIMP_(ULONG) AddRef() override;
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STDMETHODIMP_(ULONG) Release() override;
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// ICallFrameEvents
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STDMETHODIMP OnCall(ICallFrame* aFrame) override;
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// IInterceptorSink
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STDMETHODIMP SetInterceptor(IWeakReference* aInterceptor) override;
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// ICallFrameWalker
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STDMETHODIMP OnWalkInterface(REFIID aIid, PVOID* aInterface, BOOL aIsInParam,
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BOOL aIsOutParam) override;
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private:
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MainThreadHandoff();
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~MainThreadHandoff();
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HRESULT FixArrayElements(ICallFrame* aFrame,
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const ArrayData& aArrayData);
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private:
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ULONG mRefCnt;
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RefPtr<IWeakReference> mInterceptor;
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};
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} // namespace mscom
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} // namespace mozilla
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#endif // mozilla_mscom_MainThreadHandoff_h
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