open-maui/OpenMaui
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WebView completed

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This commit is contained in:
David H. Friedel Jr.
2026-01-16 05:40:49 +00:00
parent a11b081510
commit bf2f380f56
2 changed files with 153 additions and 0 deletions
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65
Handlers/WebViewHandler.cs
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@@ -15,6 +15,7 @@ public partial class WebViewHandler : ViewHandler<IWebView, SkiaWebView>
public static IPropertyMapper<IWebView, WebViewHandler> Mapper = new PropertyMapper<IWebView, WebViewHandler>(ViewHandler.ViewMapper)
{
[nameof(IWebView.Source)] = MapSource,
[nameof(IWebView.UserAgent)] = MapUserAgent,
};
public static CommandMapper<IWebView, WebViewHandler> CommandMapper = new(ViewHandler.ViewCommandMapper)
@@ -22,6 +23,8 @@ public partial class WebViewHandler : ViewHandler<IWebView, SkiaWebView>
[nameof(IWebView.GoBack)] = MapGoBack,
[nameof(IWebView.GoForward)] = MapGoForward,
[nameof(IWebView.Reload)] = MapReload,
[nameof(IWebView.Eval)] = MapEval,
[nameof(IWebView.EvaluateJavaScriptAsync)] = MapEvaluateJavaScriptAsync,
};
public WebViewHandler() : base(Mapper, CommandMapper)
@@ -127,4 +130,66 @@ public partial class WebViewHandler : ViewHandler<IWebView, SkiaWebView>
{
handler.PlatformView?.Reload();
}
public static void MapUserAgent(WebViewHandler handler, IWebView webView)
{
if (handler.PlatformView != null && !string.IsNullOrEmpty(webView.UserAgent))
{
handler.PlatformView.UserAgent = webView.UserAgent;
}
}
public static void MapEval(WebViewHandler handler, IWebView webView, object? args)
{
if (args is string script)
{
handler.PlatformView?.Eval(script);
}
}
public static void MapEvaluateJavaScriptAsync(WebViewHandler handler, IWebView webView, object? args)
{
// Handle EvaluateJavaScriptAsyncRequest from Microsoft.Maui.Platform namespace
if (args is EvaluateJavaScriptAsyncRequest request)
{
var result = handler.PlatformView?.EvaluateJavaScriptAsync(request.Script);
if (result != null)
{
result.ContinueWith(t =>
{
request.SetResult(t.Result);
});
}
else
{
request.SetResult(null);
}
}
else if (args is string script)
{
// Direct script string
handler.PlatformView?.EvaluateJavaScriptAsync(script);
}
}
}
/// <summary>
/// Request object for async JavaScript evaluation (matches Microsoft.Maui.Platform.EvaluateJavaScriptAsyncRequest).
/// </summary>
public class EvaluateJavaScriptAsyncRequest
{
public string Script { get; }
private readonly System.Threading.Tasks.TaskCompletionSource<string?> _tcs = new();
public EvaluateJavaScriptAsyncRequest(string script)
{
Script = script;
}
public System.Threading.Tasks.Task<string?> Task => _tcs.Task;
public void SetResult(string? result)
{
_tcs.TrySetResult(result);
}
}