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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=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/. */
#include "mozilla/a11y/AccessibleHandler.h"
#include "mozilla/a11y/PlatformChild.h"
#include "mozilla/mscom/ActCtxResource.h"
#include "mozilla/mscom/EnsureMTA.h"
#include "mozilla/mscom/InterceptorLog.h"
#include "Accessible2.h"
#include "Accessible2_2.h"
#include "AccessibleHypertext2.h"
#include "AccessibleTable2.h"
#include "AccessibleTableCell.h"
#include "AccessibleDocument_i.c"
#include "AccessibleHypertext2_i.c"
namespace mozilla {
namespace a11y {
/**
* Unfortunately the COM interceptor does not intrinsically handle array
* outparams. Instead we manually define the relevant metadata here, and
* register it in a call to mozilla::mscom::RegisterArrayData.
* @see mozilla::mscom::ArrayData
*/
static const mozilla::mscom::ArrayData sPlatformChildArrayData[] = {
{IID_IEnumVARIANT, 3, 1, VT_DISPATCH, IID_IDispatch, 2},
{IID_IAccessible2, 30, 1, VT_UNKNOWN | VT_BYREF, IID_IAccessibleRelation,
2},
{IID_IAccessibleRelation, 7, 1, VT_UNKNOWN | VT_BYREF, NEWEST_IA2_IID, 2},
{IID_IAccessible2_2, 48, 2, VT_UNKNOWN | VT_BYREF, NEWEST_IA2_IID, 3,
mozilla::mscom::ArrayData::Flag::eAllocatedByServer},
{IID_IAccessibleTableCell, 4, 0, VT_UNKNOWN | VT_BYREF, NEWEST_IA2_IID, 1,
mozilla::mscom::ArrayData::Flag::eAllocatedByServer},
{IID_IAccessibleTableCell, 7, 0, VT_UNKNOWN | VT_BYREF, NEWEST_IA2_IID, 1,
mozilla::mscom::ArrayData::Flag::eAllocatedByServer},
{IID_IAccessibleHypertext2, 25, 0, VT_UNKNOWN | VT_BYREF,
IID_IAccessibleHyperlink, 1,
mozilla::mscom::ArrayData::Flag::eAllocatedByServer},
{IID_IAccessibleTable2, 12, 0, VT_UNKNOWN | VT_BYREF, NEWEST_IA2_IID, 1,
mozilla::mscom::ArrayData::Flag::eAllocatedByServer}};
// Type libraries are thread-neutral, so we can register those from any
// apartment. OTOH, proxies must be registered from within the apartment where
// we intend to instantiate them. Therefore RegisterProxy() must be called
// via EnsureMTA.
PlatformChild::PlatformChild()
: mIA2Proxy(mozilla::mscom::RegisterProxy(L"ia2marshal.dll")),
mAccTypelib(mozilla::mscom::RegisterTypelib(
L"oleacc.dll",
mozilla::mscom::RegistrationFlags::eUseSystemDirectory)),
mMiscTypelib(mozilla::mscom::RegisterTypelib(L"Accessible.tlb")),
mSdnTypelib(mozilla::mscom::RegisterTypelib(L"AccessibleMarshal.dll")) {
auto actCtxResource = mscom::ActCtxResource::GetAccessibilityResource();
mozilla::mscom::MTADeletePtr<mozilla::mscom::ActivationContextRegion>
tmpActCtxMTA;
mozilla::mscom::EnsureMTA([actCtxResource, &tmpActCtxMTA]() -> void {
tmpActCtxMTA.reset(
new mozilla::mscom::ActivationContextRegion(actCtxResource));
});
mActCtxMTA = std::move(tmpActCtxMTA);
mozilla::mscom::InterceptorLog::Init();
mozilla::mscom::RegisterArrayData(sPlatformChildArrayData);
UniquePtr<mozilla::mscom::RegisteredProxy> customProxy;
mozilla::mscom::EnsureMTA([&customProxy]() -> void {
customProxy = mozilla::mscom::RegisterProxy();
});
mCustomProxy = std::move(customProxy);
// IA2 needs to be registered in both the main thread's STA as well as the MTA
UniquePtr<mozilla::mscom::RegisteredProxy> ia2ProxyMTA;
mozilla::mscom::EnsureMTA([&ia2ProxyMTA]() -> void {
ia2ProxyMTA = mozilla::mscom::RegisterProxy(L"ia2marshal.dll");
});
mIA2ProxyMTA = std::move(ia2ProxyMTA);
}
} // namespace a11y
} // namespace mozilla
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