зеркало из https://github.com/mozilla/gecko-dev.git
92 строки
3.2 KiB
C++
92 строки
3.2 KiB
C++
/* -*- 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(IHandlerProvider* aHandlerProvider,
|
|
IInterceptorSink** aOutput);
|
|
|
|
template <typename Interface>
|
|
static HRESULT WrapInterface(STAUniquePtr<Interface> aTargetInterface,
|
|
Interface** aOutInterface)
|
|
{
|
|
return WrapInterface<Interface>(std::move(aTargetInterface), nullptr,
|
|
aOutInterface);
|
|
}
|
|
|
|
template <typename Interface>
|
|
static HRESULT WrapInterface(STAUniquePtr<Interface> aTargetInterface,
|
|
IHandlerProvider* aHandlerProvider,
|
|
Interface** aOutInterface)
|
|
{
|
|
MOZ_ASSERT(!IsProxy(aTargetInterface.get()));
|
|
RefPtr<IInterceptorSink> handoff;
|
|
HRESULT hr = MainThreadHandoff::Create(aHandlerProvider,
|
|
getter_AddRefs(handoff));
|
|
if (FAILED(hr)) {
|
|
return hr;
|
|
}
|
|
return CreateInterceptor(std::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;
|
|
STDMETHODIMP GetHandler(NotNull<CLSID*> aHandlerClsid) override;
|
|
STDMETHODIMP GetHandlerPayloadSize(NotNull<IInterceptor*> aInterceptor,
|
|
NotNull<DWORD*> aOutPayloadSize) override;
|
|
STDMETHODIMP WriteHandlerPayload(NotNull<IInterceptor*> aInterceptor,
|
|
NotNull<IStream*> aStream) override;
|
|
STDMETHODIMP_(REFIID) MarshalAs(REFIID aIid) override;
|
|
STDMETHODIMP DisconnectHandlerRemotes() override;
|
|
|
|
// ICallFrameWalker
|
|
STDMETHODIMP OnWalkInterface(REFIID aIid, PVOID* aInterface, BOOL aIsInParam,
|
|
BOOL aIsOutParam) override;
|
|
|
|
private:
|
|
explicit MainThreadHandoff(IHandlerProvider* aHandlerProvider);
|
|
~MainThreadHandoff();
|
|
HRESULT FixArrayElements(ICallFrame* aFrame,
|
|
const ArrayData& aArrayData);
|
|
HRESULT FixIServiceProvider(ICallFrame* aFrame);
|
|
|
|
private:
|
|
ULONG mRefCnt;
|
|
RefPtr<IWeakReference> mInterceptor;
|
|
RefPtr<IHandlerProvider> mHandlerProvider;
|
|
};
|
|
|
|
} // namespace mscom
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_mscom_MainThreadHandoff_h
|