gecko-dev/ipc/mscom/MainThreadRuntime.h

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1.7 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_MainThreadRuntime_h
#define mozilla_mscom_MainThreadRuntime_h
#include "mozilla/Attributes.h"
#if defined(ACCESSIBILITY)
# include "mozilla/mscom/ActivationContext.h"
#endif // defined(ACCESSIBILITY)
#include "mozilla/mscom/COMApartmentRegion.h"
#include "mozilla/mscom/MainThreadClientInfo.h"
#include "mozilla/RefPtr.h"
namespace mozilla {
namespace mscom {
class MOZ_NON_TEMPORARY_CLASS MainThreadRuntime {
public:
MainThreadRuntime();
~MainThreadRuntime();
explicit operator bool() const {
return mStaRegion.IsValidOutermost() && SUCCEEDED(mInitResult);
}
MainThreadRuntime(MainThreadRuntime&) = delete;
MainThreadRuntime(MainThreadRuntime&&) = delete;
MainThreadRuntime& operator=(MainThreadRuntime&) = delete;
MainThreadRuntime& operator=(MainThreadRuntime&&) = delete;
/**
* @return 0 if call is in-process or resolving the calling thread failed,
* otherwise contains the thread id of the calling thread.
*/
static DWORD GetClientThreadId();
private:
HRESULT InitializeSecurity();
HRESULT mInitResult;
#if defined(ACCESSIBILITY)
ActivationContextRegion mActCtxRgn;
#endif // defined(ACCESSIBILITY)
STARegion mStaRegion;
RefPtr<MainThreadClientInfo> mClientInfo;
static MainThreadRuntime* sInstance;
};
} // namespace mscom
} // namespace mozilla
#endif // mozilla_mscom_MainThreadRuntime_h