mirror of
https://github.com/bitwarden/mobile.git
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59 lines
1.6 KiB
C#
59 lines
1.6 KiB
C#
using System;
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using System.ComponentModel;
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using Bit.iOS.Core.Renderers;
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using Bit.iOS.Core.Utilities;
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using UIKit;
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using Xamarin.Forms;
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using Xamarin.Forms.Platform.iOS;
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[assembly: ExportRenderer(typeof(Label), typeof(CustomLabelRenderer))]
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namespace Bit.iOS.Core.Renderers
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{
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public class CustomLabelRenderer : LabelRenderer
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{
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protected override void OnElementChanged(ElementChangedEventArgs<Label> e)
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{
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base.OnElementChanged(e);
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if (Control != null && e.NewElement is Label)
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{
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UpdateFont();
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}
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}
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protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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try
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{
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base.OnElementPropertyChanged(sender, e);
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}
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catch (NullReferenceException)
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{
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// Do nothing...
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// There is an issue on Xamarin Forms which throws a null reference
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// https://appcenter.ms/users/kspearrin/apps/bitwarden/crashes/errors/534094859u/overview
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// TODO: Maybe something like this https://github.com/matteobortolazzo/HtmlLabelPlugin/pull/113 can be implemented to avoid this
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// on html labels.
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}
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if (e.PropertyName == Label.FontProperty.PropertyName ||
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e.PropertyName == Label.TextProperty.PropertyName ||
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e.PropertyName == Label.FormattedTextProperty.PropertyName)
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{
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UpdateFont();
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}
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}
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private void UpdateFont()
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{
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if (Element is null || Control is null)
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return;
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var pointSize = iOSHelpers.GetAccessibleFont<Label>(Element.FontSize);
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if (pointSize != null)
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{
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Control.Font = UIFont.FromDescriptor(Element.Font.ToUIFont().FontDescriptor, pointSize.Value);
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}
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}
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}
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}
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