gecko-dev/ipc/mscom/ProcessRuntime.h

97 строки
3.1 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_ProcessRuntime_h
#define mozilla_mscom_ProcessRuntime_h
#include "mozilla/Attributes.h"
#if defined(ACCESSIBILITY)
# include "mozilla/mscom/ActivationContext.h"
# include "mozilla/Maybe.h"
#endif // defined(ACCESSIBILITY)
#include "mozilla/mscom/ApartmentRegion.h"
#include "nsWindowsHelpers.h"
#if defined(MOZILLA_INTERNAL_API)
# include "nsXULAppAPI.h"
#endif // defined(MOZILLA_INTERNAL_API)
namespace mozilla {
namespace mscom {
class MOZ_NON_TEMPORARY_CLASS ProcessRuntime final {
#if !defined(MOZILLA_INTERNAL_API)
public:
#endif // defined(MOZILLA_INTERNAL_API)
enum class ProcessCategory {
GeckoBrowserParent,
// We give Launcher its own process category, but internally to this class
// it should be treated identically to GeckoBrowserParent.
Launcher = GeckoBrowserParent,
GeckoChild,
Service,
};
// This constructor is only public when compiled outside of XUL
explicit ProcessRuntime(const ProcessCategory aProcessCategory);
public:
#if defined(MOZILLA_INTERNAL_API)
ProcessRuntime();
~ProcessRuntime();
#else
~ProcessRuntime() = default;
#endif // defined(MOZILLA_INTERNAL_API)
explicit operator bool() const { return SUCCEEDED(mInitResult); }
HRESULT GetHResult() const { return mInitResult; }
ProcessRuntime(const ProcessRuntime&) = delete;
ProcessRuntime(ProcessRuntime&&) = delete;
ProcessRuntime& operator=(const ProcessRuntime&) = delete;
ProcessRuntime& operator=(ProcessRuntime&&) = 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:
#if defined(MOZILLA_INTERNAL_API)
explicit ProcessRuntime(const GeckoProcessType aProcessType);
# if defined(MOZ_SANDBOX)
void InitUsingPersistentMTAThread(const nsAutoHandle& aCurThreadToken);
# endif // defined(MOZ_SANDBOX)
#endif // defined(MOZILLA_INTERNAL_API)
void InitInsideApartment();
#if defined(MOZILLA_INTERNAL_API)
static void PostInit();
#endif // defined(MOZILLA_INTERNAL_API)
static HRESULT InitializeSecurity(const ProcessCategory aProcessCategory);
static COINIT GetDesiredApartmentType(const ProcessCategory aProcessCategory);
private:
HRESULT mInitResult;
const ProcessCategory mProcessCategory;
#if defined(ACCESSIBILITY) && \
(defined(MOZILLA_INTERNAL_API) || defined(MOZ_HAS_MOZGLUE))
Maybe<ActivationContextRegion> mActCtxRgn;
#endif // defined(ACCESSIBILITY) && (defined(MOZILLA_INTERNAL_API) ||
// defined(MOZ_HAS_MOZGLUE))
ApartmentRegion mAptRegion;
private:
#if defined(MOZILLA_INTERNAL_API)
static ProcessRuntime* sInstance;
#endif // defined(MOZILLA_INTERNAL_API)
};
} // namespace mscom
} // namespace mozilla
#endif // mozilla_mscom_ProcessRuntime_h