gecko/accessible/windows/msaa/Platform.cpp

84 lines
1.9 KiB
C++

/* -*- 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 "nsWinUtils.h"
#include "mozilla/a11y/ProxyAccessible.h"
#include "ProxyWrappers.h"
using namespace mozilla;
using namespace mozilla::a11y;
void
a11y::PlatformInit()
{
Compatibility::Init();
nsWinUtils::MaybeStartWindowEmulation();
ia2AccessibleText::InitTextChangeData();
}
void
a11y::PlatformShutdown()
{
::DestroyCaret();
nsWinUtils::ShutdownWindowEmulation();
}
void
a11y::ProxyCreated(ProxyAccessible* aProxy, uint32_t)
{
ProxyAccessibleWrap* wrapper = new ProxyAccessibleWrap(aProxy);
wrapper->AddRef();
aProxy->SetWrapper(reinterpret_cast<uintptr_t>(wrapper));
}
void
a11y::ProxyDestroyed(ProxyAccessible* aProxy)
{
ProxyAccessibleWrap* wrapper =
reinterpret_cast<ProxyAccessibleWrap*>(aProxy->GetWrapper());
MOZ_ASSERT(wrapper);
if (!wrapper)
return;
wrapper->Shutdown();
aProxy->SetWrapper(0);
wrapper->Release();
}
void
a11y::ProxyEvent(ProxyAccessible*, uint32_t)
{
}
void
a11y::ProxyStateChangeEvent(ProxyAccessible*, uint64_t, bool)
{
}
void
a11y::ProxyCaretMoveEvent(ProxyAccessible* aTarget, int32_t aOffset)
{
}
void
a11y::ProxyTextChangeEvent(ProxyAccessible* aText, const nsString& aStr,
int32_t aStart, uint32_t aLen, bool aInsert, bool)
{
AccessibleWrap* wrapper = WrapperFor(aText);
auto text = static_cast<HyperTextAccessibleWrap*>(wrapper->AsHyperText());
if (text) {
ia2AccessibleText::UpdateTextChangeData(text, aInsert, aStr, aStart, aLen);
}
}