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[C#][iOS] Fix callbacks on AOT

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Based on the idea of #386
This commit is contained in:
Kazuki Sakamoto
2017-02-10 11:13:45 -08:00
parent a5b94ebd0c
commit 471d439654
7 changed files with 154 additions and 31 deletions
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60
csharp/Facebook.Yoga/YogaNode.cs
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@@ -12,6 +12,10 @@ using System.Collections;
using System.Collections.Generic;
using System.Text;
#if __IOS__
using ObjCRuntime;
#endif
namespace Facebook.Yoga
{
public partial class YogaNode : IEnumerable<YogaNode>
@@ -20,9 +24,7 @@ namespace Facebook.Yoga
private WeakReference _parent;
private List<YogaNode> _children;
private MeasureFunction _measureFunction;
private YogaMeasureFunc _ygMeasureFunc;
private BaselineFunction _baselineFunction;
private YogaBaselineFunc _ygBaselineFunc;
private object _data;
public YogaNode()
@@ -34,6 +36,11 @@ namespace Facebook.Yoga
{
throw new InvalidOperationException("Failed to allocate native memory");
}
#if (UNITY_IOS && !UNITY_EDITOR) || __IOS__
var managed = GCHandle.Alloc(this, GCHandleType.Weak);
Native.YGNodeSetManaged(GCHandle.ToIntPtr(managed));
#endif
}
public YogaNode(YogaNode srcNode)
@@ -545,15 +552,23 @@ namespace Facebook.Yoga
public void SetMeasureFunction(MeasureFunction measureFunction)
{
_measureFunction = measureFunction;
_ygMeasureFunc = measureFunction != null ? MeasureInternal : (YogaMeasureFunc)null;
Native.YGNodeSetMeasureFunc(_ygNode, _ygMeasureFunc);
#if (UNITY_IOS && !UNITY_EDITOR) || __IOS__
Native.YGInteropNodeSetMeasureFunc(_ygNode, MeasureInternalIOS);
#else
Native.YGNodeSetMeasureFunc(_ygNode,
measureFunction != null ? MeasureInternal : (YogaMeasureFunc)null);
#endif
}
public void SetBaselineFunction(BaselineFunction baselineFunction)
{
_baselineFunction = baselineFunction;
_ygBaselineFunc = baselineFunction != null ? BaselineInternal : (YogaBaselineFunc)null;
Native.YGNodeSetBaselineFunc(_ygNode, _ygBaselineFunc);
#if (UNITY_IOS && !UNITY_EDITOR) || __IOS__
Native.YGInteropNodeSetBaselineFunc(_ygNode, BaselineInternalIOS);
#else
Native.YGNodeSetBaselineFunc(_ygNode,
baselineFunction != null ? BaselineInternal : (YogaBaselineFunc)null);
#endif
}
public void CalculateLayout()
@@ -565,6 +580,25 @@ namespace Facebook.Yoga
Native.YGNodeStyleGetDirection(_ygNode));
}
#if (UNITY_IOS && !UNITY_EDITOR) || __IOS__
[MonoPInvokeCallback(typeof(YogaMeasureFunc))]
private static YogaSize MeasureInternalIOS(
IntPtr managed,
float width,
YogaMeasureMode widthMode,
float height,
YogaMeasureMode heightMode)
{
var node = GCHandle.FromIntPtr(managed);
if (node == null)
{
throw new InvalidOperationException("YogaNode is already deallocated");
}
node.MeasureInternal(IntPtr.Zero, width, widthMode, height, heightMode);
}
#endif
private YogaSize MeasureInternal(
IntPtr node,
float width,
@@ -580,6 +614,20 @@ namespace Facebook.Yoga
return _measureFunction(this, width, widthMode, height, heightMode);
}
#if (UNITY_IOS && !UNITY_EDITOR) || __IOS__
[MonoPInvokeCallback(typeof(YogaBaselineFunc))]
private static float BaselineInternalIOS(IntPtr managed, float width, float height)
{
var node = GCHandle.FromIntPtr(managed);
if (node == null)
{
throw new InvalidOperationException("YogaNode is already deallocated");
}
node.BaselineInternal(IntPtr.Zero, width, height);
}
#endif
private float BaselineInternal(IntPtr node, float width, float height)
{
if (_baselineFunction == null)