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CValueConvert.cpp
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CValueConvert.cpp
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See LICENSE in the project root for license information.
#include "precomp.h"
#include <CValueConvert.h>
#include <CValue.h>
#include <AutomationCValue.h>
#include <Rect.h>
#include <Size.h>
#include <Point.h>
#include <Thickness.h>
#include <CornerRadius.h>
#include <GridLength.h>
#include <CMatrix.h>
#include <KeyTime.h>
#include <Duration.h>
#include <RepeatBehavior.h>
#include <Primitives.h>
#include <Type.h>
#include <xstrutil.h>
#include <CDependencyObject.h>
#include <TypeTableStructs.h>
#include <DOPointerCast.h>
#include <TimeSpan.h>
#include <StringConversions.h>
namespace CValueConvert
{
template _Check_return_ HRESULT TryUnboxPropertyValue(
_In_ wf::IPropertyValue* inValue,
_Out_ ::CValue& outValue,
_Out_ bool& success);
template _Check_return_ HRESULT EnsurePropertyValueUnboxed(
_In_ const ::CValue& inValue,
_Out_ ::CValue& outValue);
template _Check_return_ HRESULT TryUnboxCDependencyObjectValue(
_In_ CDependencyObject* inValue,
_Out_ ::CValue& outValue,
_Out_ bool& success);
template _Check_return_ HRESULT EnsureCDependencyObjectValueUnboxed(
_In_ const ::CValue& inValue,
_Out_ ::CValue& outValue);
template _Check_return_ HRESULT TryUnboxValueObject(
_In_ const Flyweight::PropertyValueObjectBase* inValue,
_Out_ ::CValue& outValue,
_Out_ bool& success);
template _Check_return_ HRESULT EnsureValueObjectUnboxed(
_In_ const ::CValue& inValue,
_Out_ ::CValue& outValue);
template _Check_return_ HRESULT TryUnboxPropertyValue(
_In_ wf::IPropertyValue* inValue,
_Out_ Automation::CValue& outValue,
_Out_ bool& success);
template _Check_return_ HRESULT EnsurePropertyValueUnboxed(
_In_ const Automation::CValue& inValue,
_Out_ Automation::CValue& outValue);
template _Check_return_ HRESULT TryUnboxCDependencyObjectValue(
_In_ CDependencyObject* inValue,
_Out_ Automation::CValue& outValue,
_Out_ bool& success);
template _Check_return_ HRESULT EnsureCDependencyObjectValueUnboxed(
_In_ const Automation::CValue& inValue,
_Out_ Automation::CValue& outValue);
template<typename CValueType>
_Check_return_ HRESULT TryUnboxPropertyValue(
_In_ wf::IPropertyValue* inValue,
_Out_ CValueType& outValue,
_Out_ bool& success)
{
// Quick and dirty way to convert the most common types to a CValue.
ASSERT(inValue);
success = false;
wf::PropertyType ePropertyType = wf::PropertyType::PropertyType_Empty;
IFC_RETURN(inValue->get_Type(&ePropertyType));
switch (ePropertyType)
{
case wf::PropertyType_Boolean:
{
BOOLEAN bValue = FALSE;
IFC_RETURN(inValue->GetBoolean(&bValue));
outValue.SetBool(!!bValue);
}
break;
case wf::PropertyType_Int32:
{
INT32 nValue = 0;
IFC_RETURN(inValue->GetInt32(&nValue));
outValue.SetSigned(nValue);
}
break;
case wf::PropertyType_UInt32:
{
// TODO: We need to introduce valueUnsigned for correctness.
UINT32 nValue = 0;
IFC_RETURN(inValue->GetUInt32(&nValue));
outValue.SetSigned((INT32)nValue);
}
break;
case wf::PropertyType_Int64:
{
INT64 value = 0;
IFC_RETURN(inValue->GetInt64(&value));
outValue.SetInt64(value);
}
break;
case wf::PropertyType_UInt64:
{
UINT64 value = 0;
IFC_RETURN(inValue->GetUInt64(&value));
outValue.SetInt64(static_cast<INT64>(value));
}
break;
case wf::PropertyType_Double:
{
DOUBLE nValue = 0.0;
IFC_RETURN(inValue->GetDouble(&nValue));
outValue.SetDouble(nValue);
}
break;
case wf::PropertyType_Single:
{
FLOAT nValue = 0.0f;
IFC_RETURN(inValue->GetSingle(&nValue));
outValue.SetFloat(nValue);
}
break;
case wf::PropertyType_String:
{
wrl_wrappers::HString str;
IFC_RETURN(inValue->GetString(str.GetAddressOf()));
IFC_RETURN(outValue.SetString(str.Get()));
}
break;
case wf::PropertyType_TimeSpan:
{
wf::TimeSpan timeSpan = {};
IFC_RETURN(inValue->GetTimeSpan(&timeSpan));
outValue.SetTimeSpan(timeSpan);
}
break;
case wf::PropertyType_DateTime:
{
wf::DateTime dateTime = {};
IFC_RETURN(inValue->GetDateTime(&dateTime));
outValue.SetDateTime(dateTime);
}
break;
case wf::PropertyType_OtherType:
// We don't have a good way to compare custom structs.
// early exit without setting success to true
return S_OK;
default:
// NOTE: If there are other commonly used types, consider supporting those here for a small CPU improvement
// when doing a check to see if a property value changed.
// early exit without setting success to true
return S_OK;
}
success = true;
return S_OK;
}
template<typename CValueType>
_Check_return_ HRESULT EnsurePropertyValueUnboxed(
_In_ const CValueType& inValue,
_Out_ CValueType& outValue)
{
ctl::ComPtr<IInspectable> inValueAsIInspectable = inValue.AsIInspectable();
CValueType result;
bool unboxed = false;
if (inValueAsIInspectable)
{
ctl::ComPtr<wf::IPropertyValue> inValueAsPV = inValueAsIInspectable.AsOrNull<wf::IPropertyValue>();
if (inValueAsPV)
{
IFC_RETURN(CValueConvert::TryUnboxPropertyValue(
inValueAsPV.Get(),
result,
unboxed));
}
}
if (!unboxed)
{
result.WrapValue(inValue);
}
outValue = std::move(result);
return S_OK;
}
static _Check_return_ HRESULT GetContentPropertyValueHelper(
_In_ CDependencyObject* inValue,
_Out_ CValue& outValue)
{
const CDependencyProperty* prop = inValue->GetContentProperty();
IFCEXPECT_RETURN(prop);
IFC_RETURN(inValue->GetValue(prop, &outValue));
return S_OK;
}
template<typename CValueType>
_Check_return_ HRESULT TryUnboxCDependencyObjectValue(
_In_ CDependencyObject* inValue,
_Out_ CValueType& outValue,
_Out_ bool& success)
{
ASSERT(inValue);
success = false;
switch (inValue->GetTypeIndex())
{
// TODO: scalar types + string can be changed to: (once automation::cvalue is removed)
//const CDependencyProperty* prop = inValue->GetContentProperty();
//IFCEXPECT_RETURN(prop);
//IFC_RETURN(inValue->GetValue(prop, &temp));
//outValue = std::move(temp);
case KnownTypeIndex::Int32:
{
CValue temp;
IFC_RETURN(GetContentPropertyValueHelper(inValue, temp));
ASSERT(temp.GetType() == valueSigned);
outValue.SetSigned(temp.AsSigned());
}
break;
case KnownTypeIndex::Int64:
{
CValue temp;
IFC_RETURN(GetContentPropertyValueHelper(inValue, temp));
ASSERT(temp.GetType() == valueInt64);
outValue.SetInt64(temp.AsInt64());
}
break;
case KnownTypeIndex::Double:
{
CValue temp;
IFC_RETURN(GetContentPropertyValueHelper(inValue, temp));
ASSERT(temp.GetType() == valueFloat);
outValue.SetFloat(temp.AsFloat());
}
break;
case KnownTypeIndex::String:
{
CValue temp;
IFC_RETURN(GetContentPropertyValueHelper(inValue, temp));
ASSERT(temp.GetType() == valueString);
outValue.SetString(temp.AsString());
}
break;
case KnownTypeIndex::Color:
{
CValue temp;
IFC_RETURN(GetContentPropertyValueHelper(inValue, temp));
ASSERT(temp.GetType() == valueColor);
outValue.SetColor(temp.AsColor());
}
break;
case KnownTypeIndex::Rect:
outValue.SetRect(new XRECTF(checked_cast<CRect>(inValue)->m_rc));
break;
case KnownTypeIndex::Size:
outValue.SetSize(new XSIZEF(checked_cast<CSize>(inValue)->m_size));
break;
case KnownTypeIndex::Matrix:
{
CMatrix* sourceDO = checked_cast<CMatrix>(inValue);
XFLOAT* newValue = new float[6];
newValue[0] = sourceDO->m_matrix.GetM11();
newValue[1] = sourceDO->m_matrix.GetM12();
newValue[2] = sourceDO->m_matrix.GetM21();
newValue[3] = sourceDO->m_matrix.GetM22();
newValue[4] = sourceDO->m_matrix.GetDx();
newValue[5] = sourceDO->m_matrix.GetDy();
outValue.SetFloatArray(6, newValue);
}
break;
case KnownTypeIndex::Matrix3D:
{
CMatrix4x4* sourceDO = checked_cast<CMatrix4x4>(inValue);
XFLOAT* newValue = new float[16];
newValue[0] = sourceDO->m_matrix.GetM11();
newValue[1] = sourceDO->m_matrix.GetM12();
newValue[2] = sourceDO->m_matrix.GetM13();
newValue[3] = sourceDO->m_matrix.GetM14();
newValue[4] = sourceDO->m_matrix.GetM21();
newValue[5] = sourceDO->m_matrix.GetM22();
newValue[6] = sourceDO->m_matrix.GetM23();
newValue[7] = sourceDO->m_matrix.GetM24();
newValue[8] = sourceDO->m_matrix.GetM31();
newValue[9] = sourceDO->m_matrix.GetM32();
newValue[10] = sourceDO->m_matrix.GetM33();
newValue[11] = sourceDO->m_matrix.GetM34();
newValue[12] = sourceDO->m_matrix.GetM41();
newValue[13] = sourceDO->m_matrix.GetM42();
newValue[14] = sourceDO->m_matrix.GetM43();
newValue[15] = sourceDO->m_matrix.GetM44();
outValue.SetFloatArray(16, newValue);
}
break;
case KnownTypeIndex::KeyTime:
{
auto wrapper = checked_cast<CKeyTime>(inValue)->ValueWrapper();
if (wrapper)
{
IFC_RETURN(TryUnboxValueObject(
wrapper,
outValue,
success));
}
// Exit early not to set the success result.
return S_OK;
}
break;
case KnownTypeIndex::Duration:
{
auto wrapper = checked_cast<CDuration>(inValue)->ValueWrapper();
if (wrapper)
{
IFC_RETURN(TryUnboxValueObject(
wrapper,
outValue,
success));
}
// Exit early not to set the success result.
return S_OK;
}
break;
case KnownTypeIndex::RepeatBehavior:
{
auto wrapper = checked_cast<CRepeatBehavior>(inValue)->ValueWrapper();
if (wrapper)
{
IFC_RETURN(TryUnboxValueObject(
wrapper,
outValue,
success));
}
// Exit early not to set the success result.
return S_OK;
}
break;
case KnownTypeIndex::TimeSpan:
outValue.SetDouble(checked_cast<CTimeSpan>(inValue)->m_rTimeSpan);
break;
case KnownTypeIndex::Point:
outValue.SetPoint(new XPOINTF(checked_cast<CPoint>(inValue)->m_pt));
break;
case KnownTypeIndex::Thickness:
outValue.SetThickness(new XTHICKNESS(checked_cast<CThickness>(inValue)->m_thickness));
break;
case KnownTypeIndex::CornerRadius:
outValue.SetCornerRadius(new XCORNERRADIUS(checked_cast<CCornerRadius>(inValue)->m_cornerRadius));
break;
case KnownTypeIndex::GridLength:
outValue.SetGridLength(new XGRIDLENGTH(checked_cast<CGridLength>(inValue)->m_gridLength));
break;
case KnownTypeIndex::TypeName:
outValue.SetTypeHandle(checked_cast<CType>(inValue)->GetReferencedTypeIndex());
break;
default:
if (inValue->GetClassInformation()->IsEnum())
{
CEnumerated* enumDO = checked_cast<CEnumerated>(inValue);
if (enumDO->GetEnumTypeIndex() == KnownTypeIndex::Boolean)
{
// Enum of sub-type INDEX_BOOLEAN has a separate ValueType,
// valueBool. Use it.
outValue.SetBool(!!enumDO->m_nValue);
}
else
{
outValue.SetEnum(enumDO->m_nValue, enumDO->GetEnumTypeIndex());
}
}
else
{
// early exit without setting success to true
return S_OK;
}
break;
}
success = true;
return S_OK;
}
template<typename CValueType>
_Check_return_ HRESULT EnsureCDependencyObjectValueUnboxed(
_In_ const CValueType& inValue,
_Out_ CValueType& outValue)
{
CDependencyObject* inValueAsDO = inValue.AsObject();
CValueType result;
bool unboxed = false;
if (inValueAsDO)
{
IFC_RETURN(TryUnboxCDependencyObjectValue(
inValueAsDO,
result,
unboxed));
}
if (!unboxed)
{
result.SetObjectAddRef(inValueAsDO);
}
outValue = std::move(result);
return S_OK;
}
template<typename CValueType>
_Check_return_ HRESULT TryUnboxValueObject(
_In_ const Flyweight::PropertyValueObjectBase* inValue,
_Out_ CValueType& outValue,
_Out_ bool& success)
{
ASSERT(inValue);
success = false;
switch (inValue->GetTypeIndex())
{
case KnownTypeIndex::KeyTime:
{
const KeyTimeVO& value = static_cast<const KeyTimeVO::Wrapper*>(inValue)->Value();
outValue.SetDouble(value.GetTimeSpanInSec());
}
break;
case KnownTypeIndex::Duration:
{
const DurationVO& value = static_cast<const DurationVO::Wrapper*>(inValue)->Value();
switch (value.GetDurationType())
{
case DirectUI::DurationType::Automatic:
case DirectUI::DurationType::Forever:
{
xstring_ptr strValue;
IFC_RETURN(DurationToString(
value.GetDurationType(),
value.GetTimeSpanInSec(),
strValue));
outValue.SetString(std::move(strValue));
}
break;
case DirectUI::DurationType::TimeSpan:
outValue.SetDouble(value.GetTimeSpanInSec());
break;
default:
IFC_RETURN(E_UNEXPECTED);
break;
}
}
break;
case KnownTypeIndex::RepeatBehavior:
{
const RepeatBehaviorVO& value = static_cast<const RepeatBehaviorVO::Wrapper*>(inValue)->Value();
switch (value.GetRepeatBehaviorType())
{
case DirectUI::RepeatBehaviorType::Count:
case DirectUI::RepeatBehaviorType::Forever:
{
xstring_ptr strValue;
IFC_RETURN(RepeatBehaviorToString(
value.GetRepeatBehaviorType(),
value.GetDurationInSec(),
value.GetCount(),
strValue));
outValue.SetString(std::move(strValue));
}
break;
case DirectUI::RepeatBehaviorType::Duration:
outValue.SetDouble(value.GetDurationInSec());
break;
default:
IFC_RETURN(E_UNEXPECTED);
break;
}
}
break;
default:
// early exit without setting success to true
return S_OK;
}
success = true;
return S_OK;
}
template<typename CValueType>
_Check_return_ HRESULT EnsureValueObjectUnboxed(
_In_ const CValueType& inValue,
_Out_ CValueType& outValue)
{
const Flyweight::PropertyValueObjectBase* inValueAsVO = inValue.template As<valueVO>();
CValueType result;
bool unboxed = false;
if (inValueAsVO)
{
IFC_RETURN(TryUnboxValueObject(
inValueAsVO,
result,
unboxed));
}
if (!unboxed)
{
result.template SetAddRef<valueVO>(const_cast<Flyweight::PropertyValueObjectBase*>(inValueAsVO));
}
outValue = std::move(result);
return S_OK;
}
}