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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 "Platform.h"
#include "AccEvent.h"
#include "Compatibility.h"
#include "HyperTextAccessibleWrap.h"
#include "ia2AccessibleText.h"
#include "nsIXULRuntime.h"
#include "nsWinUtils.h"
#include "mozilla/a11y/ProxyAccessible.h"
#include "mozilla/mscom/InterceptorLog.h"
#include "mozilla/mscom/Registration.h"
#include "mozilla/StaticPtr.h"
#include "ProxyWrappers.h"
using namespace mozilla;
using namespace mozilla::a11y;
using namespace mozilla::mscom;
static StaticAutoPtr<RegisteredProxy> gRegProxy;
static StaticAutoPtr<RegisteredProxy> gRegAccTlb;
static StaticAutoPtr<RegisteredProxy> gRegMiscTlb;
void
a11y::PlatformInit()
{
Compatibility::Init();
nsWinUtils::MaybeStartWindowEmulation();
ia2AccessibleText::InitTextChangeData();
if (BrowserTabsRemoteAutostart()) {
mscom::InterceptorLog::Init();
UniquePtr<RegisteredProxy> regProxy(
mscom::RegisterProxy(L"ia2marshal.dll"));
gRegProxy = regProxy.release();
UniquePtr<RegisteredProxy> regAccTlb(
mscom::RegisterTypelib(L"oleacc.dll",
RegistrationFlags::eUseSystemDirectory));
gRegAccTlb = regAccTlb.release();
UniquePtr<RegisteredProxy> regMiscTlb(
mscom::RegisterTypelib(L"Accessible.tlb"));
gRegMiscTlb = regMiscTlb.release();
}
}
void
a11y::PlatformShutdown()
{
::DestroyCaret();
nsWinUtils::ShutdownWindowEmulation();
gRegProxy = nullptr;
gRegAccTlb = nullptr;
gRegMiscTlb = nullptr;
}
void
a11y::ProxyCreated(ProxyAccessible* aProxy, uint32_t aInterfaces)
{
AccessibleWrap* wrapper = nullptr;
if (aInterfaces & Interfaces::DOCUMENT) {
wrapper = new DocProxyAccessibleWrap(aProxy);
} else if (aInterfaces & Interfaces::HYPERTEXT) {
wrapper = new HyperTextProxyAccessibleWrap(aProxy);
} else {
wrapper = new ProxyAccessibleWrap(aProxy);
}
wrapper->SetProxyInterfaces(aInterfaces);
wrapper->AddRef();
aProxy->SetWrapper(reinterpret_cast<uintptr_t>(wrapper));
}
void
a11y::ProxyDestroyed(ProxyAccessible* aProxy)
{
AccessibleWrap* wrapper =
reinterpret_cast<AccessibleWrap*>(aProxy->GetWrapper());
MOZ_ASSERT(wrapper);
if (!wrapper)
return;
wrapper->Shutdown();
aProxy->SetWrapper(0);
wrapper->Release();
}
void
a11y::ProxyEvent(ProxyAccessible* aTarget, uint32_t aEventType)
{
AccessibleWrap::FireWinEvent(WrapperFor(aTarget), aEventType);
}
void
a11y::ProxyStateChangeEvent(ProxyAccessible* aTarget, uint64_t, bool)
{
AccessibleWrap::FireWinEvent(WrapperFor(aTarget),
nsIAccessibleEvent::EVENT_STATE_CHANGE);
}
void
a11y::ProxyCaretMoveEvent(ProxyAccessible* aTarget, int32_t aOffset)
{
AccessibleWrap::FireWinEvent(WrapperFor(aTarget),
nsIAccessibleEvent::EVENT_TEXT_CARET_MOVED);
}
void
a11y::ProxyTextChangeEvent(ProxyAccessible* aText, const nsString& aStr,
int32_t aStart, uint32_t aLen, bool aInsert, bool)
{
AccessibleWrap* wrapper = WrapperFor(aText);
MOZ_ASSERT(wrapper);
if (!wrapper) {
return;
}
auto text = static_cast<HyperTextAccessibleWrap*>(wrapper->AsHyperText());
if (text) {
ia2AccessibleText::UpdateTextChangeData(text, aInsert, aStr, aStart, aLen);
}
uint32_t eventType = aInsert ? nsIAccessibleEvent::EVENT_TEXT_INSERTED :
nsIAccessibleEvent::EVENT_TEXT_REMOVED;
AccessibleWrap::FireWinEvent(wrapper, eventType);
}
void
a11y::ProxyShowHideEvent(ProxyAccessible* aTarget, ProxyAccessible*, bool aInsert, bool)
{
uint32_t event = aInsert ? nsIAccessibleEvent::EVENT_SHOW :
nsIAccessibleEvent::EVENT_HIDE;
AccessibleWrap* wrapper = WrapperFor(aTarget);
AccessibleWrap::FireWinEvent(wrapper, event);
}
void
a11y::ProxySelectionEvent(ProxyAccessible* aTarget, ProxyAccessible*, uint32_t aType)
{
AccessibleWrap* wrapper = WrapperFor(aTarget);
AccessibleWrap::FireWinEvent(wrapper, aType);
}
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