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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=2:tabstop=2:
*/
/* 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 "HyperTextAccessibleWrap.h"
#include "Accessible-inl.h"
#include "nsEventShell.h"
#include "mozilla/StaticPtr.h"
using namespace mozilla;
using namespace mozilla::a11y;
NS_IMPL_ISUPPORTS_INHERITED0(HyperTextAccessibleWrap,
HyperTextAccessible)
STDMETHODIMP
HyperTextAccessibleWrap::QueryInterface(REFIID aIID, void** aInstancePtr)
{
if (!aInstancePtr)
return E_FAIL;
*aInstancePtr = nullptr;
if (IsTextRole()) {
if (aIID == IID_IAccessibleText)
*aInstancePtr =
static_cast<IAccessibleText*>(static_cast<ia2AccessibleText*>(this));
else if (aIID == IID_IAccessibleHypertext)
*aInstancePtr = static_cast<IAccessibleHypertext*>(this);
else if (aIID == IID_IAccessibleEditableText)
*aInstancePtr = static_cast<IAccessibleEditableText*>(this);
if (*aInstancePtr) {
AddRef();
return S_OK;
}
}
return AccessibleWrap::QueryInterface(aIID, aInstancePtr);
}
nsresult
HyperTextAccessibleWrap::HandleAccEvent(AccEvent* aEvent)
{
uint32_t eventType = aEvent->GetEventType();
if (eventType == nsIAccessibleEvent::EVENT_TEXT_REMOVED ||
eventType == nsIAccessibleEvent::EVENT_TEXT_INSERTED) {
Accessible* accessible = aEvent->GetAccessible();
if (accessible && accessible->IsHyperText()) {
AccTextChangeEvent* event = downcast_accEvent(aEvent);
HyperTextAccessibleWrap* text =
static_cast<HyperTextAccessibleWrap*>(accessible->AsHyperText());
ia2AccessibleText::UpdateTextChangeData(text, event->IsTextInserted(),
event->ModifiedText(),
event->GetStartOffset(),
event->GetLength());
}
}
return HyperTextAccessible::HandleAccEvent(aEvent);
}
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