michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:expandtab:shiftwidth=2:tabstop=2:
michael@0:  */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "ia2AccessibleValue.h"
michael@0: 
michael@0: #include "AccessibleValue_i.c"
michael@0: 
michael@0: #include "AccessibleWrap.h"
michael@0: #include "Accessible-inl.h"
michael@0: #include "IUnknownImpl.h"
michael@0: 
michael@0: #include "mozilla/FloatingPoint.h"
michael@0: 
michael@0: using namespace mozilla::a11y;
michael@0: 
michael@0: // IUnknown
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleValue::QueryInterface(REFIID iid, void** ppv)
michael@0: {
michael@0:   if (!ppv)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   *ppv = nullptr;
michael@0: 
michael@0:   if (IID_IAccessibleValue == iid) {
michael@0:     AccessibleWrap* valueAcc = static_cast<AccessibleWrap*>(this);
michael@0:     if (valueAcc->HasNumericValue()) {
michael@0:       *ppv = static_cast<IAccessibleValue*>(this);
michael@0:       valueAcc->AddRef();
michael@0:       return S_OK;
michael@0:     }
michael@0: 
michael@0:     return E_NOINTERFACE;
michael@0:   }
michael@0: 
michael@0:   return E_NOINTERFACE;
michael@0: }
michael@0: 
michael@0: // IAccessibleValue
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleValue::get_currentValue(VARIANT* aCurrentValue)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aCurrentValue)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   VariantInit(aCurrentValue);
michael@0: 
michael@0:   AccessibleWrap* valueAcc = static_cast<AccessibleWrap*>(this);
michael@0:   if (valueAcc->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   double currentValue = valueAcc->CurValue();
michael@0:   if (IsNaN(currentValue))
michael@0:     return S_FALSE;
michael@0: 
michael@0:   aCurrentValue->vt = VT_R8;
michael@0:   aCurrentValue->dblVal = currentValue;
michael@0:   return S_OK;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleValue::setCurrentValue(VARIANT aValue)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   AccessibleWrap* valueAcc = static_cast<AccessibleWrap*>(this);
michael@0:   if (valueAcc->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   if (aValue.vt != VT_R8)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   return valueAcc->SetCurValue(aValue.dblVal) ? S_OK : E_FAIL;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleValue::get_maximumValue(VARIANT* aMaximumValue)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aMaximumValue)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   VariantInit(aMaximumValue);
michael@0: 
michael@0:   AccessibleWrap* valueAcc = static_cast<AccessibleWrap*>(this);
michael@0:   if (valueAcc->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   double maximumValue = valueAcc->MaxValue();
michael@0:   if (IsNaN(maximumValue))
michael@0:     return S_FALSE;
michael@0: 
michael@0:   aMaximumValue->vt = VT_R8;
michael@0:   aMaximumValue->dblVal = maximumValue;
michael@0:   return S_OK;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: 
michael@0: STDMETHODIMP
michael@0: ia2AccessibleValue::get_minimumValue(VARIANT* aMinimumValue)
michael@0: {
michael@0:   A11Y_TRYBLOCK_BEGIN
michael@0: 
michael@0:   if (!aMinimumValue)
michael@0:     return E_INVALIDARG;
michael@0: 
michael@0:   VariantInit(aMinimumValue);
michael@0: 
michael@0:   AccessibleWrap* valueAcc = static_cast<AccessibleWrap*>(this);
michael@0:   if (valueAcc->IsDefunct())
michael@0:     return CO_E_OBJNOTCONNECTED;
michael@0: 
michael@0:   double minimumValue = valueAcc->MinValue();
michael@0:   if (IsNaN(minimumValue))
michael@0:     return S_FALSE;
michael@0: 
michael@0:   aMinimumValue->vt = VT_R8;
michael@0:   aMinimumValue->dblVal = minimumValue;
michael@0:   return S_OK;
michael@0: 
michael@0:   A11Y_TRYBLOCK_END
michael@0: }
michael@0: