shoutcasteventdispatcher.h

这是一个使用 ShortCast的IP网络流式播放的symbian的软件源码.里面有ShortCast短播协议的实现以及AAC音频,MP3音频流式播放的实现.

/*
* ==============================================================================
*  Name        : ShoutcastEventDispatcher.h
*  Part of     : Shoutcast Engine
*  Interface   :
*  Description : Definition of the event dispatcher
*  Version     : 1
*
*  Copyright (c) 2006, Nokia Corporation All rights reserved. Redistribution
*  and use in source and binary forms, with or without modification, are
*  permitted provided that the following conditions are met: Redistributions
*  of source code must retain the above copyright notice, this list of
*  conditions and the following disclaimer. Redistributions in binary form
*  must reproduce the above copyright notice, this list of conditions and the
*  following disclaimer in the documentation and/or other materials provided
*  with the distribution. Neither the name of the Nokia Corporation nor the
*  names of its contributors may be used to endorse or promote products
*  derived from this software without specific prior written permission. THIS
*  SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
*  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
*  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
*  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
*  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
*  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
*  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
*  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
*  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
*  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
*  POSSIBILITY OF SUCH DAMAGE.
* ==============================================================================
*/
#ifndef __CSHOUTCASTEVENTDISPATCHER_H__
#define __CSHOUTCASTEVENTDISPATCHER_H__

#include <e32base.h>
#include <e32std.h>
#include "MShoutcastStreamObserver.h"

/**
* Active object utility class to allow the callback to be called asynchronously.
* This should help prevent re-entrant code in client.
*/
class CEventDispatcher : public CActive
	{

	public:

		static CEventDispatcher* NewL(MShoutcastStreamObserver& aObserver);
		virtual ~CEventDispatcher();

		void SendEvent(TUid aEvent, TInt aError);

	private:

		CEventDispatcher(MShoutcastStreamObserver& aObserver);

		void RunL();
		void DoCancel();

	private:
		MShoutcastStreamObserver& iObserver;
		TInt iError;
		TUid iEvent;

	};

#endif // __CSHOUTCASTEVENTDISPATCHER_H__