/// <summary>
/// Helper used by the four Freezable clone methods to copy the resolved key times and
/// key frames. The Get*AsFrozenCore methods are implemented the same as the Clone*Core
/// methods; Get*AsFrozen at the top level will recursively Freeze so it's not done here.
/// </summary>
/// <param name="sourceAnimation"></param>
/// <param name="isCurrentValueClone"></param>
private void CopyCommon(ByteAnimationUsingKeyFrames sourceAnimation, bool isCurrentValueClone)
{
_areKeyTimesValid = sourceAnimation._areKeyTimesValid;
if (_areKeyTimesValid &&
sourceAnimation._sortedResolvedKeyFrames != null)
{
// _sortedResolvedKeyFrames is an array of ResolvedKeyFrameEntry so the notion of CurrentValueClone doesn't apply
_sortedResolvedKeyFrames = (ResolvedKeyFrameEntry[])sourceAnimation._sortedResolvedKeyFrames.Clone();
}
if (sourceAnimation._keyFrames != null)
{
if (isCurrentValueClone)
{
_keyFrames = (ByteKeyFrameCollection)sourceAnimation._keyFrames.CloneCurrentValue();
}
else
{
_keyFrames = (ByteKeyFrameCollection)sourceAnimation._keyFrames.Clone();
}
OnFreezablePropertyChanged(null, _keyFrames);
}
}
/// <summary>
/// Implementation of <see cref="System.Windows.Freezable.CloneCore(System.Windows.Freezable)">Freezable.CloneCore</see>.
/// </summary>
protected override void CloneCore(Freezable sourceFreezable)
{
ByteAnimationUsingKeyFrames sourceAnimation = (ByteAnimationUsingKeyFrames)sourceFreezable;
base.CloneCore(sourceFreezable);
CopyCommon(sourceAnimation, /* isCurrentValueClone = */ false);
}
/// <summary>
/// Implementation of <see cref="System.Windows.Freezable.GetCurrentValueAsFrozenCore(Freezable)">Freezable.GetCurrentValueAsFrozenCore</see>.
/// </summary>
protected override void GetCurrentValueAsFrozenCore(Freezable source)
{
ByteAnimationUsingKeyFrames sourceAnimation = (ByteAnimationUsingKeyFrames)source;
base.GetCurrentValueAsFrozenCore(source);
CopyCommon(sourceAnimation, /* isCurrentValueClone = */ true);
}
/// <summary>
/// Helper used by the four Freezable clone methods to copy the resolved key times and
/// key frames. The Get*AsFrozenCore methods are implemented the same as the Clone*Core
/// methods; Get*AsFrozen at the top level will recursively Freeze so it's not done here.
/// </summary>
/// <param name="sourceAnimation"></param>
/// <param name="isCurrentValueClone"></param>
private void CopyCommon(ByteAnimationUsingKeyFrames sourceAnimation, bool isCurrentValueClone)
{
_areKeyTimesValid = sourceAnimation._areKeyTimesValid;
if ( _areKeyTimesValid
&& sourceAnimation._sortedResolvedKeyFrames != null)
{
// _sortedResolvedKeyFrames is an array of ResolvedKeyFrameEntry so the notion of CurrentValueClone doesn't apply
_sortedResolvedKeyFrames = (ResolvedKeyFrameEntry[])sourceAnimation._sortedResolvedKeyFrames.Clone();
}
if (sourceAnimation._keyFrames != null)
{
if (isCurrentValueClone)
{
_keyFrames = (ByteKeyFrameCollection)sourceAnimation._keyFrames.CloneCurrentValue();
}
else
{
_keyFrames = (ByteKeyFrameCollection)sourceAnimation._keyFrames.Clone();
}
OnFreezablePropertyChanged(null, _keyFrames);
}
}