detectSoundlevel-spike/sourceCode/trunk/Code/CoreAudioTests/Common/MMDeviceNotifyClient.cs

// -----------------------------------------
// SoundScribe (TM) and related software.
// 
// Copyright (C) 2007-2011 Vannatech
// http://www.vannatech.com
// All rights reserved.
// 
// This source code is subject to the MIT License.
// http://www.opensource.org/licenses/mit-license.php
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
// -----------------------------------------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Vannatech.CoreAudio.Constants;
using Vannatech.CoreAudio.Enumerations;
using Vannatech.CoreAudio.Externals;
using Vannatech.CoreAudio.Interfaces;

namespace CoreAudioTests.Common
{
	/// <summary>
	/// Used for testing endpoint notification methods.
	/// </summary>
	public class MMDeviceNotifyClient : IMMNotificationClient
	{
		public void OnDefaultDeviceChanged(EDataFlow dataFlow, ERole deviceRole, string defaultDeviceId)
		{
			Assert.AreEqual(_dataFlow, dataFlow);
			Assert.AreEqual(_role, deviceRole);
			Assert.AreEqual(_deviceId, defaultDeviceId);
		}

		public void OnDeviceAdded(string deviceId)
		{
			Assert.AreEqual(_deviceId, deviceId);
		}

		public void OnDeviceRemoved(string deviceId)
		{
			Assert.AreEqual(_deviceId, deviceId);
		}

		public void OnDeviceStateChanged(string deviceId, UInt32 newState)
		{
			Assert.AreEqual(_deviceId, deviceId);
			Assert.AreEqual(_newState, newState);
		}

		public void OnPropertyValueChanged(string deviceId, PROPERTYKEY propertyKey)
		{
			Assert.AreEqual(_deviceId, deviceId);
			Assert.AreEqual(_propertyKey, propertyKey);
		}

		// Below members are not part of the interface
		// And are only used for verifying correctness.

		private EDataFlow _dataFlow;
		private ERole _role;
		private string _deviceId;
		private int _newState;
		private PROPERTYKEY _propertyKey;

		internal void SetExpected(EDataFlow dataflow, ERole role, string deviceId, int newState, PROPERTYKEY propertyKey)
		{
			_dataFlow = dataflow;
			_role = role;
			_deviceId = deviceId;
			_newState = newState;
			_propertyKey = propertyKey;
		}
	}
}