blob: 2d9bb402b1f9ab172ecaa8b451c2f00447f6b250 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using Xamarin.Forms.Internals;
namespace Xamarin.Forms
{
public class BoundsConstraint
{
Func<Rectangle> _measureFunc;
BoundsConstraint()
{
}
internal IEnumerable<View> RelativeTo { get; set; }
public static BoundsConstraint FromExpression(Expression<Func<Rectangle>> expression, IEnumerable<View> parents = null)
{
Func<Rectangle> compiled = expression.Compile();
var result = new BoundsConstraint
{
_measureFunc = compiled,
RelativeTo = parents ?? ExpressionSearch.Default.FindObjects<View>(expression).ToArray() // make sure we have our own copy
};
return result;
}
internal Rectangle Compute()
{
return _measureFunc();
}
}
}
|