/
TizenSynchronizationContext.cs
executable file
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/
TizenSynchronizationContext.cs
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/*
* Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the License);
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System;
using System.Collections.Concurrent;
using System.Threading;
namespace Tizen.Applications
{
/// <summary>
/// Provides a synchronization context for the Tizen application model.
/// </summary>
/// <since_tizen> 3 </since_tizen>
public class TizenSynchronizationContext : SynchronizationContext
{
/// <summary>
/// Initilizes a new TizenSynchronizationContext and install into the current thread.
/// </summary>
/// <remarks>
/// It is equivalent.
/// <code>
/// SetSynchronizationContext(new TizenSynchronizationContext());
/// </code>
/// </remarks>
/// <since_tizen> 3 </since_tizen>
public static void Initialize()
{
SetSynchronizationContext(new TizenSynchronizationContext());
}
/// <summary>
/// Dispatches an asynchronous message to a Tizen main loop.
/// </summary>
/// <param name="d"><see cref="System.Threading.SendOrPostCallback"/>The SendOrPostCallback delegate to call.</param>
/// <param name="state"><see cref="System.Object"/>The object passed to the delegate.</param>
/// <remarks>
/// The post method starts an asynchronous request to post a message.</remarks>
/// <since_tizen> 3 </since_tizen>
public override void Post(SendOrPostCallback d, object state)
{
GSourceManager.Post(() =>
{
d(state);
});
}
/// <summary>
/// Dispatches a synchronous message to a Tizen main loop.
/// </summary>
/// <param name="d"><see cref="System.Threading.SendOrPostCallback"/>The SendOrPostCallback delegate to call.</param>
/// <param name="state"><see cref="System.Object"/>The object passed to the delegate.</param>
/// <remarks>
/// The send method starts a synchronous request to send a message.</remarks>
/// <since_tizen> 3 </since_tizen>
public override void Send(SendOrPostCallback d, object state)
{
using (var mre = new ManualResetEvent(false))
{
Exception err = null;
GSourceManager.Post(() =>
{
#pragma warning disable CA1031
try
{
d(state);
}
catch (Exception ex)
{
err = ex;
}
finally
{
mre.Set();
}
#pragma warning restore CA1031
});
mre.WaitOne();
if (err != null)
{
throw err;
}
}
}
}
}