85 lines
2.3 KiB
C#
85 lines
2.3 KiB
C#
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using System;
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using System.Collections.Generic;
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namespace Ooui
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{
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public class WebAssemblySession : Session
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{
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readonly string id;
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readonly Action<Message> handleElementMessageSent;
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public WebAssemblySession (string id, Element element, double initialWidth, double initialHeight)
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: base (element, initialWidth, initialHeight)
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{
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this.id = id;
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handleElementMessageSent = QueueMessage;
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}
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void TransmitQueuedMessages ()
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{
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//
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// Dequeue as many messages as we can
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//
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var messagesToSend = new List<Message> ();
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lock (queuedMessages) {
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messagesToSend.AddRange (queuedMessages);
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queuedMessages.Clear ();
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}
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if (messagesToSend.Count == 0)
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return;
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//
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// Now actually send the messages
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//
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var json = Newtonsoft.Json.JsonConvert.SerializeObject (messagesToSend);
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SendMessagesJson (json);
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}
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protected override void QueueMessage (Message message)
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{
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base.QueueMessage (message);
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TransmitQueuedMessages ();
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}
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void SendMessagesJson (string json)
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{
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Info ("SEND: " + json);
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}
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public void ReceiveMessageJson (string json)
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{
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try {
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Info ("RECEIVED: " + json);
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var message = Newtonsoft.Json.JsonConvert.DeserializeObject<Message> (json);
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element.Receive (message);
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}
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catch (Exception ex) {
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Error ("Failed to process received message", ex);
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}
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}
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public void StartSession ()
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{
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//
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// Start watching for changes in the element
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//
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element.MessageSent += handleElementMessageSent;
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//
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// Add it to the document body
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//
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if (element.WantsFullScreen) {
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element.Style.Width = initialWidth;
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element.Style.Height = initialHeight;
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}
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QueueMessage (Message.Call ("document.body", "appendChild", element));
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}
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public void StopSession ()
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{
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element.MessageSent -= handleElementMessageSent;
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}
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}
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}
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