gecko-dev/accessible/windows/ia2/ia2AccessibleEditableText.cpp

130 строки
3.3 KiB
C++

/* -*- 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 "ia2AccessibleEditableText.h"
#include "AccessibleEditableText_i.c"
#include "HyperTextAccessible-inl.h"
#include "HyperTextAccessibleWrap.h"
#include "ProxyWrappers.h"
#include "nsCOMPtr.h"
#include "nsString.h"
using namespace mozilla::a11y;
// IAccessibleEditableText
STDMETHODIMP
ia2AccessibleEditableText::copyText(long aStartOffset, long aEndOffset)
{
MOZ_ASSERT(!HyperTextProxyFor(this));
HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this);
if (textAcc->IsDefunct())
return CO_E_OBJNOTCONNECTED;
if (!textAcc->IsValidRange(aStartOffset, aEndOffset))
return E_INVALIDARG;
textAcc->CopyText(aStartOffset, aEndOffset);
return S_OK;
}
STDMETHODIMP
ia2AccessibleEditableText::deleteText(long aStartOffset, long aEndOffset)
{
MOZ_ASSERT(!HyperTextProxyFor(this));
HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this);
if (textAcc->IsDefunct())
return CO_E_OBJNOTCONNECTED;
if (!textAcc->IsValidRange(aStartOffset, aEndOffset))
return E_INVALIDARG;
textAcc->DeleteText(aStartOffset, aEndOffset);
return S_OK;
}
STDMETHODIMP
ia2AccessibleEditableText::insertText(long aOffset, BSTR *aText)
{
uint32_t length = ::SysStringLen(*aText);
nsAutoString text(*aText, length);
MOZ_ASSERT(!HyperTextProxyFor(this));
HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this);
if (textAcc->IsDefunct())
return CO_E_OBJNOTCONNECTED;
if (!textAcc->IsValidOffset(aOffset))
return E_INVALIDARG;
textAcc->InsertText(text, aOffset);
return S_OK;
}
STDMETHODIMP
ia2AccessibleEditableText::cutText(long aStartOffset, long aEndOffset)
{
MOZ_ASSERT(!HyperTextProxyFor(this));
HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this);
if (textAcc->IsDefunct())
return CO_E_OBJNOTCONNECTED;
if (!textAcc->IsValidRange(aStartOffset, aEndOffset))
return E_INVALIDARG;
textAcc->CutText(aStartOffset, aEndOffset);
return S_OK;
}
STDMETHODIMP
ia2AccessibleEditableText::pasteText(long aOffset)
{
MOZ_ASSERT(!HyperTextProxyFor(this));
HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this);
if (textAcc->IsDefunct())
return CO_E_OBJNOTCONNECTED;
if (!textAcc->IsValidOffset(aOffset))
return E_INVALIDARG;
textAcc->PasteText(aOffset);
return S_OK;
}
STDMETHODIMP
ia2AccessibleEditableText::replaceText(long aStartOffset, long aEndOffset,
BSTR *aText)
{
HyperTextAccessible* textAcc = static_cast<HyperTextAccessibleWrap*>(this);
if (textAcc->IsDefunct())
return CO_E_OBJNOTCONNECTED;
if (!textAcc->IsValidRange(aStartOffset, aEndOffset))
return E_INVALIDARG;
textAcc->DeleteText(aStartOffset, aEndOffset);
uint32_t length = ::SysStringLen(*aText);
nsAutoString text(*aText, length);
textAcc->InsertText(text, aStartOffset);
return S_OK;
}
STDMETHODIMP
ia2AccessibleEditableText::setAttributes(long aStartOffset, long aEndOffset,
BSTR *aAttributes)
{
return E_NOTIMPL;
}