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265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
88 lines
3.6 KiB
C++
88 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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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/a11y/AccessibleHandler.h"
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#include "mozilla/a11y/Compatibility.h"
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#include "mozilla/a11y/PlatformChild.h"
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#include "mozilla/mscom/EnsureMTA.h"
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#include "mozilla/mscom/InterceptorLog.h"
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#include "Accessible2.h"
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#include "Accessible2_2.h"
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#include "AccessibleHypertext2.h"
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#include "AccessibleTable2.h"
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#include "AccessibleTableCell.h"
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#include "AccessibleDocument_i.c"
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#include "AccessibleHypertext2_i.c"
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namespace mozilla {
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namespace a11y {
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/**
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* Unfortunately the COM interceptor does not intrinsically handle array
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* outparams. Instead we manually define the relevant metadata here, and
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* register it in a call to mozilla::mscom::RegisterArrayData.
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* @see mozilla::mscom::ArrayData
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*/
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static const mozilla::mscom::ArrayData sPlatformChildArrayData[] = {
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{IID_IEnumVARIANT, 3, 1, VT_DISPATCH, IID_IDispatch, 2},
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{IID_IAccessible2, 30, 1, VT_UNKNOWN | VT_BYREF, IID_IAccessibleRelation,
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2},
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{IID_IAccessibleRelation, 7, 1, VT_UNKNOWN | VT_BYREF, NEWEST_IA2_IID, 2},
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{IID_IAccessible2_2, 48, 2, VT_UNKNOWN | VT_BYREF, NEWEST_IA2_IID, 3,
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mozilla::mscom::ArrayData::Flag::eAllocatedByServer},
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{IID_IAccessibleTableCell, 4, 0, VT_UNKNOWN | VT_BYREF, NEWEST_IA2_IID, 1,
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mozilla::mscom::ArrayData::Flag::eAllocatedByServer},
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{IID_IAccessibleTableCell, 7, 0, VT_UNKNOWN | VT_BYREF, NEWEST_IA2_IID, 1,
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mozilla::mscom::ArrayData::Flag::eAllocatedByServer},
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{IID_IAccessibleHypertext2, 25, 0, VT_UNKNOWN | VT_BYREF,
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IID_IAccessibleHyperlink, 1,
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mozilla::mscom::ArrayData::Flag::eAllocatedByServer},
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{IID_IAccessibleTable2, 12, 0, VT_UNKNOWN | VT_BYREF, NEWEST_IA2_IID, 1,
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mozilla::mscom::ArrayData::Flag::eAllocatedByServer}};
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// Type libraries are thread-neutral, so we can register those from any
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// apartment. OTOH, proxies must be registered from within the apartment where
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// we intend to instantiate them. Therefore RegisterProxy() must be called
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// via EnsureMTA.
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PlatformChild::PlatformChild()
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: mIA2Proxy(mozilla::mscom::RegisterProxy(L"ia2marshal.dll")),
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mAccTypelib(mozilla::mscom::RegisterTypelib(
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L"oleacc.dll",
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mozilla::mscom::RegistrationFlags::eUseSystemDirectory)),
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mMiscTypelib(mozilla::mscom::RegisterTypelib(L"Accessible.tlb")),
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mSdnTypelib(mozilla::mscom::RegisterTypelib(L"AccessibleMarshal.dll")) {
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WORD actCtxResourceId = Compatibility::GetActCtxResourceId();
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mozilla::mscom::MTADeletePtr<mozilla::mscom::ActivationContextRegion>
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tmpActCtxMTA;
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mozilla::mscom::EnsureMTA([actCtxResourceId, &tmpActCtxMTA]() -> void {
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tmpActCtxMTA.reset(
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new mozilla::mscom::ActivationContextRegion(actCtxResourceId));
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});
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mActCtxMTA = std::move(tmpActCtxMTA);
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mozilla::mscom::InterceptorLog::Init();
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mozilla::mscom::RegisterArrayData(sPlatformChildArrayData);
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UniquePtr<mozilla::mscom::RegisteredProxy> customProxy;
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mozilla::mscom::EnsureMTA([&customProxy]() -> void {
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customProxy = mozilla::mscom::RegisterProxy();
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});
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mCustomProxy = std::move(customProxy);
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// IA2 needs to be registered in both the main thread's STA as well as the MTA
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UniquePtr<mozilla::mscom::RegisteredProxy> ia2ProxyMTA;
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mozilla::mscom::EnsureMTA([&ia2ProxyMTA]() -> void {
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ia2ProxyMTA = mozilla::mscom::RegisterProxy(L"ia2marshal.dll");
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});
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mIA2ProxyMTA = std::move(ia2ProxyMTA);
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}
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} // namespace a11y
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} // namespace mozilla
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