From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- ipc/mscom/MainThreadHandoff.h | 71 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 ipc/mscom/MainThreadHandoff.h (limited to 'ipc/mscom/MainThreadHandoff.h') diff --git a/ipc/mscom/MainThreadHandoff.h b/ipc/mscom/MainThreadHandoff.h new file mode 100644 index 000000000..a3ae47e1b --- /dev/null +++ b/ipc/mscom/MainThreadHandoff.h @@ -0,0 +1,71 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_mscom_MainThreadHandoff_h +#define mozilla_mscom_MainThreadHandoff_h + +#include "mozilla/Assertions.h" +#include "mozilla/Move.h" +#include "mozilla/mscom/Interceptor.h" +#include "mozilla/mscom/MainThreadInvoker.h" +#include "mozilla/mscom/Utils.h" +#include "mozilla/Mutex.h" +#include "nsTArray.h" + +namespace mozilla { +namespace mscom { + +struct ArrayData; + +class MainThreadHandoff final : public IInterceptorSink + , public ICallFrameWalker +{ +public: + static HRESULT Create(IInterceptorSink** aOutput); + + template + static HRESULT WrapInterface(STAUniquePtr aTargetInterface, + Interface** aOutInterface) + { + MOZ_ASSERT(!IsProxy(aTargetInterface.get())); + RefPtr handoff; + HRESULT hr = MainThreadHandoff::Create(getter_AddRefs(handoff)); + if (FAILED(hr)) { + return hr; + } + return CreateInterceptor(Move(aTargetInterface), handoff, aOutInterface); + } + + // IUnknown + STDMETHODIMP QueryInterface(REFIID riid, void** ppv) override; + STDMETHODIMP_(ULONG) AddRef() override; + STDMETHODIMP_(ULONG) Release() override; + + // ICallFrameEvents + STDMETHODIMP OnCall(ICallFrame* aFrame) override; + + // IInterceptorSink + STDMETHODIMP SetInterceptor(IWeakReference* aInterceptor) override; + + // ICallFrameWalker + STDMETHODIMP OnWalkInterface(REFIID aIid, PVOID* aInterface, BOOL aIsInParam, + BOOL aIsOutParam) override; + +private: + MainThreadHandoff(); + ~MainThreadHandoff(); + HRESULT FixArrayElements(ICallFrame* aFrame, + const ArrayData& aArrayData); + +private: + ULONG mRefCnt; + RefPtr mInterceptor; +}; + +} // namespace mscom +} // namespace mozilla + +#endif // mozilla_mscom_MainThreadHandoff_h -- cgit v1.2.3