46 lines
1.3 KiB
C++
46 lines
1.3 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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#include "mozilla/mscom/ActivationContext.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/DebugOnly.h"
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namespace mozilla {
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namespace mscom {
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ActivationContext::ActivationContext(HMODULE aLoadFromModule)
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: mActCtx(INVALID_HANDLE_VALUE)
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, mActivationCookie(0)
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{
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ACTCTX actCtx = {sizeof(actCtx)};
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actCtx.dwFlags = ACTCTX_FLAG_RESOURCE_NAME_VALID | ACTCTX_FLAG_HMODULE_VALID;
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actCtx.lpResourceName = MAKEINTRESOURCE(2);
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actCtx.hModule = aLoadFromModule;
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mActCtx = ::CreateActCtx(&actCtx);
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MOZ_ASSERT(mActCtx != INVALID_HANDLE_VALUE);
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if (mActCtx == INVALID_HANDLE_VALUE) {
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return;
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}
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if (!::ActivateActCtx(mActCtx, &mActivationCookie)) {
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::ReleaseActCtx(mActCtx);
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mActCtx = INVALID_HANDLE_VALUE;
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}
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}
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ActivationContext::~ActivationContext()
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{
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if (mActCtx == INVALID_HANDLE_VALUE) {
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return;
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}
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DebugOnly<BOOL> deactivated = ::DeactivateActCtx(0, mActivationCookie);
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MOZ_ASSERT(deactivated);
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::ReleaseActCtx(mActCtx);
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}
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} // namespace mscom
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} // namespace mozilla
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