/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "AccessibleObject.hxx"
#include "AccessibleFocusManager.hxx"
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
AccessibleObject::AccessibleObject(
const sal_Int16 nRole,
const OUString& rName)
: msName(rName),
mnRole(nRole),
mnStateSet(0),
mbIsFocused(
false)
{
}
void AccessibleObject::LateInitialization()
{
AccessibleFocusManager::Instance()->AddFocusableObject(
this);
}
void AccessibleObject::SetWindow (
const Reference<awt::XWindow>& rxContentWindow,
const Reference<awt::XWindow>& rxBorderWindow)
{
Reference<awt::XWindow2> xContentWindow (rxContentWindow, UNO_QUERY);
if (mxContentWindow.get() == xContentWindow.get())
return;
if (mxContentWindow.is())
{
mxContentWindow->removeWindowListener(
this);
}
mxContentWindow = std::move(xContentWindow);
mxBorderWindow.set(rxBorderWindow, UNO_QUERY);
if (mxContentWindow.is())
{
mxContentWindow->addWindowListener(
this);
}
UpdateStateSet();
}
void AccessibleObject::SetAccessibleParent (
const Reference<XAccessible>& rxAccessibleParent)
{
mxParentAccessible = rxAccessibleParent;
}
void SAL_CALL AccessibleObject::disposing()
{
OAccessibleComponentHelper::disposing();
AccessibleFocusManager::Instance()->RemoveFocusableObject(
this);
SetWindow(nullptr, nullptr);
}
//----- XAccessible -------------------------------------------------------
Reference<XAccessibleContext> SAL_CALL
AccessibleObject::getAccessibleContext()
{
ensureAlive();
return this;
}
//----- XAccessibleContext ----------------------------------------------
sal_Int64 SAL_CALL AccessibleObject::getAccessibleChildCount()
{
ensureAlive();
return maChildren.size();
}
Reference<XAccessible> SAL_CALL
AccessibleObject::getAccessibleChild (sal_Int64 nIndex)
{
ensureAlive();
if (nIndex<0 || o3tl::make_unsigned(nIndex)>=maChildren.size())
throw lang::IndexOutOfBoundsException(u
"invalid child index"_ustr,
static_cast<uno:
:XWeak*>(this));
return maChildren[nIndex];
}
Reference<XAccessible> SAL_CALL
AccessibleObject::getAccessibleParent()
{
ensureAlive();
return mxParentAccessible;
}
sal_Int64 SAL_CALL
AccessibleObject::getAccessibleIndexInParent()
{
ensureAlive();
const Reference<XAccessible> xThis (this);
if (mxParentAccessible.is())
{
const Reference<XAccessibleContext> xContext (mxParentAccessible->getAccessibleContext());
for (sal_Int64 nIndex = 0, nCount=xContext->getAccessibleChildCount();
nIndex<nCount;
++nIndex)
{
if (xContext->getAccessibleChild(nIndex) == xThis)
return nIndex;
}
}
return 0;
}
sal_Int16 SAL_CALL
AccessibleObject::getAccessibleRole()
{
ensureAlive();
return mnRole;
}
OUString SAL_CALL
AccessibleObject::getAccessibleDescription()
{
ensureAlive();
return OUString();
}
OUString SAL_CALL
AccessibleObject::getAccessibleName()
{
ensureAlive();
return msName;
}
Reference<XAccessibleRelationSet> SAL_CALL
AccessibleObject::getAccessibleRelationSet()
{
ensureAlive();
return nullptr;
}
sal_Int64 SAL_CALL
AccessibleObject::getAccessibleStateSet()
{
ensureAlive();
return mnStateSet;
}
lang::Locale SAL_CALL
AccessibleObject::getLocale()
{
ensureAlive();
if (mxParentAccessible.is())
{
Reference<XAccessibleContext> xParentContext (mxParentAccessible->getAccessibleContext());
if (xParentContext.is())
return xParentContext->getLocale();
}
return css::lang::Locale();
}
//----- XAccessibleComponent ------------------------------------------------
Reference<XAccessible> SAL_CALL
AccessibleObject::getAccessibleAtPoint (const awt::Point&)
{
ensureAlive();
return Reference<XAccessible>();
}
awt::Rectangle AccessibleObject::implGetBounds()
{
const awt::Point aLocation (GetRelativeLocation());
const awt::Size aSize (GetSize());
return awt::Rectangle (aLocation.X, aLocation.Y, aSize.Width, aSize.Height);
}
void SAL_CALL AccessibleObject::grabFocus()
{
ensureAlive();
if (mxBorderWindow.is())
mxBorderWindow->setFocus();
else if (mxContentWindow.is())
mxContentWindow->setFocus();
}
sal_Int32 SAL_CALL AccessibleObject::getForeground()
{
ensureAlive();
return 0x00ffffff;
}
sal_Int32 SAL_CALL AccessibleObject::getBackground()
{
ensureAlive();
return 0x00000000;
}
//----- XWindowListener ---------------------------------------------------
void SAL_CALL AccessibleObject::windowResized (
const css::awt::WindowEvent&)
{
FireAccessibleEvent(AccessibleEventId::BOUNDRECT_CHANGED, Any(), Any());
}
void SAL_CALL AccessibleObject::windowMoved (
const css::awt::WindowEvent&)
{
FireAccessibleEvent(AccessibleEventId::BOUNDRECT_CHANGED, Any(), Any());
}
void SAL_CALL AccessibleObject::windowShown (
const css::lang::EventObject&)
{
UpdateStateSet();
}
void SAL_CALL AccessibleObject::windowHidden (
const css::lang::EventObject&)
{
UpdateStateSet();
}
//----- XEventListener --------------------------------------------------------
void SAL_CALL AccessibleObject::disposing (const css::lang::EventObject& rEvent)
{
if (rEvent.Source == mxContentWindow)
{
mxContentWindow = nullptr;
mxBorderWindow = nullptr;
}
else
{
SetWindow(nullptr, nullptr);
}
}
//----- private ---------------------------------------------------------------
bool AccessibleObject::GetWindowState (const sal_Int64 nType) const
{
switch (nType)
{
case AccessibleStateType::ENABLED:
return mxContentWindow.is() && mxContentWindow->isEnabled();
case AccessibleStateType::FOCUSABLE:
return true;
case AccessibleStateType::FOCUSED:
return mbIsFocused;
case AccessibleStateType::SHOWING:
return mxContentWindow.is() && mxContentWindow->isVisible();
default:
return false;
}
}
void AccessibleObject::UpdateStateSet()
{
UpdateState(AccessibleStateType::FOCUSABLE, true);
UpdateState(AccessibleStateType::VISIBLE, true);
UpdateState(AccessibleStateType::ENABLED, true);
UpdateState(AccessibleStateType::MULTI_LINE, true);
UpdateState(AccessibleStateType::SENSITIVE, true);
UpdateState(AccessibleStateType::ENABLED, GetWindowState(AccessibleStateType::ENABLED));
UpdateState(AccessibleStateType::FOCUSED, GetWindowState(AccessibleStateType::FOCUSED));
UpdateState(AccessibleStateType::SHOWING, GetWindowState(AccessibleStateType::SHOWING));
// UpdateState(AccessibleStateType::ACTIVE, GetWindowState(AccessibleStateType::ACTIVE));
}
void AccessibleObject::UpdateState(
const sal_Int64 nState,
const bool bValue)
{
if (((mnStateSet & nState) != 0) == bValue)
return;
if (bValue)
{
mnStateSet |= nState;
FireAccessibleEvent(AccessibleEventId::STATE_CHANGED, Any(), Any(nState));
}
else
{
mnStateSet &= ~nState;
FireAccessibleEvent(AccessibleEventId::STATE_CHANGED, Any(nState), Any());
}
}
void AccessibleObject::AddChild (
const ::rtl::Reference<AccessibleObject>& rpChild)
{
maChildren.push_back(rpChild);
rpChild->SetAccessibleParent(this);
FireAccessibleEvent(AccessibleEventId::INVALIDATE_ALL_CHILDREN, Any(), Any());
}
void AccessibleObject::RemoveChild (
const ::rtl::Reference<AccessibleObject>& rpChild)
{
rpChild->SetAccessibleParent(Reference<XAccessible>());
maChildren.erase(::std::find(maChildren.begin(), maChildren.end(), rpChild));
FireAccessibleEvent(AccessibleEventId::INVALIDATE_ALL_CHILDREN, Any(), Any());
}
void AccessibleObject::SetIsFocused (const bool bIsFocused)
{
if (mbIsFocused != bIsFocused)
{
mbIsFocused = bIsFocused;
UpdateStateSet();
}
}
void AccessibleObject::SetAccessibleName (const OUString& rsName)
{
if (msName != rsName)
{
const OUString sOldName(msName);
msName = rsName;
FireAccessibleEvent(AccessibleEventId::NAME_CHANGED, Any(sOldName), Any(msName));
}
}
void AccessibleObject::FireAccessibleEvent (
const sal_Int16 nEventId,
const uno::Any& rOldValue,
const uno::Any& rNewValue )
{
NotifyAccessibleEvent(nEventId, rOldValue, rNewValue);
}
awt::Point AccessibleObject::GetRelativeLocation()
{
awt::Point aLocation;
if (mxContentWindow.is())
{
const awt::Rectangle aContentBox (mxContentWindow->getPosSize());
aLocation.X = aContentBox.X;
aLocation.Y = aContentBox.Y;
if (mxBorderWindow.is())
{
const awt::Rectangle aBorderBox (mxBorderWindow->getPosSize());
aLocation.X += aBorderBox.X;
aLocation.Y += aBorderBox.Y;
}
}
return aLocation;
}
awt::Size AccessibleObject::GetSize()
{
if (mxContentWindow.is())
{
const awt::Rectangle aBox (mxContentWindow->getPosSize());
return awt::Size(aBox.Width, aBox.Height);
}
else
return awt::Size();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */