viewport.h

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
 *  
 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
 * 
 * Contributor(s): 
 *  
 * ***** END LICENSE BLOCK ***** */ 

#ifndef _VIEWPORT_H_
#define _VIEWPORT_H_

#include "hxvport.h"

class HXViewPortManager;

class HXViewPort : public IHXViewPort
{
private:
    LONG32		m_lRefCount;
    
    const char*		m_pszName;
    IHXValues*		m_pValues;
    HXViewPortManager*	m_pParent;

    ~HXViewPort();

    PRIVATE_DESTRUCTORS_ARE_NOT_A_CRIME

public:
    HXViewPort(HXViewPortManager* pViewPortManager,
		IHXValues*	    pValues,
		const char*	    pszName);

    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj);

    STDMETHOD_(ULONG32,AddRef)	(THIS);

    STDMETHOD_(ULONG32,Release)	(THIS);

    /*
     * IHXViewPort methods
     */

    /************************************************************************
     *	Method:
     *	    IHXViewPort::GetName
     *	Purpose:
     *	    get name of the viewport
     */
    STDMETHOD_(const char*, GetName)	(THIS);

    /************************************************************************
     *	Method:
     *	    IHXViewPort::GetProperties
     *	Purpose:
     *	    get properties of the viewport
     */
    STDMETHOD(GetProperties)	(THIS_
				 REF(IHXValues*)   pValues);

    /************************************************************************
     *	Method:
     *	    IHXViewPort::Show
     *	Purpose:
     *	    show viewport
     */
    STDMETHOD(Show)		(THIS);

    /************************************************************************
     *	Method:
     *	    IHXViewPort::Hide
     *	Purpose:
     *	    hide viewport
     */
    STDMETHOD(Hide)		(THIS);

    /************************************************************************
     *	Method:
     *	    IHXViewPort::SetFocus
     *	Purpose:
     *	    set focus on viewport
     */
    STDMETHOD(SetFocus)		(THIS);

    /************************************************************************
     *	Method:
     *	    IHXViewPort::SetZOrder
     *	Purpose:
     *	    set Z order on viewport
     */
    STDMETHOD(SetZOrder)	(THIS_
				 UINT32	ulZOrder);
};

class HXViewPortManager : public IHXViewPortManager
{
private:
    LONG32		    m_lRefCount;
    
    HXPlayer*		    m_pPlayer;
    CHXMapStringToOb*	    m_pViewPortMap;
    CHXSimpleList*	    m_pViewPortSinkList;
    IHXViewPortSupplier*   m_pViewPortSupplier;

    friend class	    HXViewPort;

    ~HXViewPortManager();

    PRIVATE_DESTRUCTORS_ARE_NOT_A_CRIME

protected:
    HX_RESULT	OnViewPortShow(const char* pszViewPortName);
    HX_RESULT	OnViewPortHide(const char* pszViewPortName);
    HX_RESULT	OnViewPortFocus(const char* pszViewPortName);
    HX_RESULT	OnViewPortZOrder(const char* pszViewPortName, UINT32 ulZOrder);
    
public:
    HXViewPortManager(HXPlayer* pPlayer);

    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj);

    STDMETHOD_(ULONG32,AddRef)	(THIS);

    STDMETHOD_(ULONG32,Release)	(THIS);

    /*
     * IHXViewPortManager methods
     */

    /************************************************************************
     *	Method:
     *	    IHXViewPortManager::OpenViewPort
     *	Purpose:
     *	    create viewport
     */
    STDMETHOD(OpenViewPort)	(THIS_
				 IHXValues*	pValues,
				 IHXSiteUser*  pSiteUser);

    /************************************************************************
     *	Method:
     *	    IHXViewPortManager::GetViewPort
     *	Purpose:
     *	    get viewport
     */
    STDMETHOD(GetViewPort)	(THIS_
				 const char* pszViewPort,
				 REF(IHXViewPort*) pViewPort);

    /************************************************************************
     *	Method:
     *	    IHXViewPortManager::CloseViewPort
     *	Purpose:
     *	    remove viewport
     */
    STDMETHOD(CloseViewPort)	(THIS_
				 const char* pszViewPort);

    /************************************************************************
     *	Method:
     *	    IHXViewPortManager::AddViewPortSink
     *	Purpose:
     *	    add viewport sinker
     */
    STDMETHOD(AddViewPortSink)	(THIS_
				 IHXViewPortSink*  pViewPortSink);

    /************************************************************************
     *	Method:
     *	    IHXViewPortManager::RemoveViewPortSink
     *	Purpose:
     *	    remove viewport sinker
     */
    STDMETHOD(RemoveViewPortSink)   (THIS_
				     IHXViewPortSink*  pViewPortSink);

    void Close();
};

#endif /* _VIEWPORT_H_ */