using System;
using EColor = ElmSharp.Color;
namespace Xamarin.Forms.Platform.Tizen
{
///
/// Renderer of ContentPage.
///
public class ContentPageRenderer : VisualElementRenderer
{
///
/// Native control which holds the contents.
///
Native.ContentPage _page;
///
/// Default constructor.
///
public ContentPageRenderer()
{
RegisterPropertyHandler(Page.BackgroundImageProperty, UpdateBackgroundImage);
RegisterPropertyHandler(Page.TitleProperty, UpdateTitle);
}
protected override void OnElementChanged(ElementChangedEventArgs e)
{
if (null == _page)
{
_page = new Native.ContentPage(Forms.Context.MainWindow);
_page.LayoutUpdated += new EventHandler(OnLayoutUpdated);
SetNativeControl(_page);
}
base.OnElementChanged(e);
}
protected override void UpdateBackgroundColor()
{
// base.UpdateBackgroundColor() is not called on purpose, we don't want the regular background setting
if (Element.BackgroundColor.IsDefault || Element.BackgroundColor.A == 0)
_page.Color = EColor.Transparent;
else
_page.Color = Element.BackgroundColor.ToNative();
}
void UpdateBackgroundImage()
{
if (string.IsNullOrWhiteSpace(Element.BackgroundImage))
_page.File = null;
else
_page.File = ResourcePath.GetPath(Element.BackgroundImage);
}
void UpdateTitle()
{
_page.Title = Element.Title;
}
void OnLayoutUpdated(object sender, Native.LayoutEventArgs e)
{
DoLayout(e);
}
}
}