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feat(ProtocolActivation): Implemented protocol activation on WASM
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2 changes: 1 addition & 1 deletion
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src/Uno.UWP/ApplicationModel/Activation/IProtocolActivatedEventArgs.cs
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2 changes: 1 addition & 1 deletion
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src/Uno.UWP/ApplicationModel/Activation/ProtocolActivatedEventArgs.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| #if __WASM__ | ||
| using System; | ||
| using System.Linq; | ||
| using System.Web; | ||
|
|
||
| namespace Uno.Helpers | ||
| { | ||
| public static class ProtocolActivation | ||
| { | ||
| internal const string QueryKey = "unoprotocolactivation"; | ||
|
|
||
| /// <summary> | ||
| /// Registers a custom URI scheme for protocol activation on WASM. | ||
| /// </summary> | ||
| /// <param name="scheme">Scheme (must start with web+, after which must follow one or more lowercase ASCII letter).</param> | ||
| /// <param name="domain">Domain on which your application is running.</param> | ||
| /// <param name="prompt">Prompt to show to the user.</param> | ||
| public static void RegisterCustomScheme(string scheme, Uri domain, string prompt) | ||
| { | ||
| // rules as per https://developer.mozilla.org/en-US/docs/Web/API/Navigator/registerProtocolHandler | ||
|
|
||
| // The custom scheme's name begins with web+ | ||
| if (scheme.IndexOf("web+", System.StringComparison.InvariantCulture) != 0) | ||
| { | ||
| throw new ArgumentException( | ||
| "Scheme must start with 'web+'", | ||
| nameof(scheme)); | ||
| } | ||
|
|
||
| var schemeWithoutPrefix = scheme.Substring("web+".Length); | ||
| // The custom scheme's name includes at least 1 letter after the web+ prefix | ||
| if (schemeWithoutPrefix.Length == 0) | ||
| { | ||
| throw new ArgumentException( | ||
| "Scheme must include at least 1 letter after 'web+' prefix", | ||
| nameof(scheme)); | ||
| } | ||
|
|
||
| // The custom scheme has only lowercase ASCII letters in its name. | ||
| if (!schemeWithoutPrefix.ToCharArray().All(c => 'a' <= c && c <= 'z')) | ||
| { | ||
| throw new ArgumentException( | ||
| "Scheme must include only lowercase ASCII letters after " + | ||
| "the 'web+' prefix", | ||
| nameof(scheme)); | ||
| } | ||
|
|
||
| if (domain == null) | ||
| { | ||
| throw new ArgumentNullException(nameof(domain)); | ||
| } | ||
|
|
||
| if (!domain.IsAbsoluteUri) | ||
| { | ||
| throw new ArgumentException( | ||
| "Domain name must be an absolute URI.", | ||
| nameof(domain)); | ||
| } | ||
|
|
||
| var uriBuilder = new UriBuilder(domain); | ||
| var query = HttpUtility.ParseQueryString(uriBuilder.Query); | ||
| query[QueryKey] = ""; //set empty, otherwise %s would be encoded | ||
| uriBuilder.Query = query.ToString(); | ||
| var uriString = uriBuilder.ToString(); | ||
|
|
||
| uriString += "%s"; | ||
|
|
||
| // register scheme | ||
| var initialized = Uno.Foundation.WebAssemblyRuntime.InvokeJS( | ||
| $"navigator.registerProtocolHandler('{scheme}', '{uriString}' , '{prompt.Replace("'", "\\'")}')"); | ||
| } | ||
| } | ||
| } | ||
| #endif |