smcallbk.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 SMCALLBK_H
#define SMCALLBK_H

// Forward declarations
typedef ULONG32 CallbackHandle;
class CSmilDocumentRenderer;
class CSmilAAnchorElement;

class HandlePendingSchedulingCallback : public IHXCallback
{
public:
    HandlePendingSchedulingCallback();
    virtual ~HandlePendingSchedulingCallback();

    // IUnknown methods
    STDMETHOD(QueryInterface)   (THIS_ REFIID riid, void** ppvObj);
    STDMETHOD_(ULONG32,AddRef)  (THIS);
    STDMETHOD_(ULONG32,Release) (THIS);

    // IHXCallback methods
    STDMETHOD(Func) (THIS);

    // public members
    INT32                   m_lRefCount;
    CSmilDocumentRenderer*  m_pSmilDocumentRenderer;
    CallbackHandle          m_PendingHandle;
    // ONLY HX_BITFIELD MEMBERS SHOULD GO BELOW THIS LINE!
    // ALL OTHER MEMBER TYPES SHOULD GO ABOVE THIS LINE!
    HX_BITFIELD             m_bIsCallbackPending : 1;
};


class CHyperlinkCallback : public IHXCallback
{
public:
    CHyperlinkCallback(CSmilDocumentRenderer* pDocRend);
    virtual ~CHyperlinkCallback();

    // IUnknown methods
    STDMETHOD(QueryInterface)   (THIS_ REFIID riid, void** ppvObj);
    STDMETHOD_(ULONG32,AddRef)  (THIS);
    STDMETHOD_(ULONG32,Release) (THIS);

    // IHXCallback methods
    STDMETHOD(Func) (THIS);

    // CHyperlinkCallback methods
    void           SetAnchor(CSmilAAnchorElement* pAnchor) { m_pAnchor = pAnchor; }
    HX_RESULT      AddAdditionalAnchor(CSmilAAnchorElement* pAnchor);
    HX_RESULT      ClearExtraAnchorList();
    BOOL           IsCallbackPending() const { return m_bIsCallbackPending; }
    CallbackHandle GetCallbackHandle() const { return m_PendingHandle;      }
    void           SetCallbackPending(BOOL bFlag) { m_bIsCallbackPending = bFlag; }
    void           SetCallbackHandle(CallbackHandle hand) { m_PendingHandle = hand; }
protected:
    INT32                  m_lRefCount;
    CSmilDocumentRenderer* m_pDocRend;
    CallbackHandle         m_PendingHandle;
    CSmilAAnchorElement*   m_pAnchor;
    CHXSimpleList*         m_pExtraAnchorsList;
    // ONLY HX_BITFIELD MEMBERS SHOULD GO BELOW THIS LINE!
    // ALL OTHER MEMBER TYPES SHOULD GO ABOVE THIS LINE!
    HX_BITFIELD            m_bIsCallbackPending : 1;
};

#endif