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Added default implementations to IMessenger

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This commit is contained in:
Sergio Pedri
2020-05-16 23:15:38 +02:00
parent 2a16d45d1e
commit 147d6faef4
1 changed files with 48 additions and 6 deletions
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Microsoft.Toolkit.Mvvm/Messaging/IMessenger.cs
+48 -6
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@@ -21,7 +21,14 @@ namespace Microsoft.Toolkit.Mvvm.Messaging
/// <remarks>This method will use the default channel to check for the requested registration.</remarks>
[Pure]
bool IsRegistered<TMessage>(object recipient)
where TMessage : class;
where TMessage : class
#if NETSTANDARD2_1
{
return IsRegistered<TMessage, Messenger.Unit>(recipient, default);
}
#else
;
#endif
/// <summary>
/// Checks whether or not a given recipient has already been registered for a message.
@@ -45,7 +52,14 @@ namespace Microsoft.Toolkit.Mvvm.Messaging
/// <exception cref="InvalidOperationException">Thrown when trying to register the same message twice.</exception>
/// <remarks>This method will use the default channel to perform the requested registration.</remarks>
void Register<TMessage>(object recipient, Action<TMessage> action)
where TMessage : class;
where TMessage : class
#if NETSTANDARD2_1
{
Register(recipient, default(Messenger.Unit), action);
}
#else
;
#endif
/// <summary>
/// Registers a recipient for a given type of message.
@@ -81,7 +95,14 @@ namespace Microsoft.Toolkit.Mvvm.Messaging
/// If the recipient has no registered handler, this method does nothing.
/// </remarks>
void Unregister<TMessage>(object recipient)
where TMessage : class;
where TMessage : class
#if NETSTANDARD2_1
{
Unregister<TMessage, Messenger.Unit>(recipient, default);
}
#else
;
#endif
/// <summary>
/// Unregisters a recipient from all messages on a specific channel.
@@ -115,7 +136,14 @@ namespace Microsoft.Toolkit.Mvvm.Messaging
/// a new <typeparamref name="TMessage"/> instance and send that to its recipients.
/// </remarks>
void Send<TMessage>()
where TMessage : class, new();
where TMessage : class, new()
#if NETSTANDARD2_1
{
Send(new TMessage(), default(Messenger.Unit));
}
#else
;
#endif
/// <summary>
/// Sends a message of the specified type to all registered recipients.
@@ -123,7 +151,14 @@ namespace Microsoft.Toolkit.Mvvm.Messaging
/// <typeparam name="TMessage">The type of message to send.</typeparam>
/// <param name="message">The message to send.</param>
void Send<TMessage>(TMessage message)
where TMessage : class;
where TMessage : class
#if NETSTANDARD2_1
{
Send(message, default(Messenger.Unit));
}
#else
;
#endif
/// <summary>
/// Sends a message of the specified type to all registered recipients.
@@ -137,7 +172,14 @@ namespace Microsoft.Toolkit.Mvvm.Messaging
/// </remarks>
void Send<TMessage, TToken>(TToken token)
where TMessage : class, new()
where TToken : IEquatable<TToken>;
where TToken : IEquatable<TToken>
#if NETSTANDARD2_1
{
Send(new TMessage(), token);
}
#else
;
#endif
/// <summary>
/// Sends a message of the specified type to all registered recipients.