evnthook.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 EVNTHOOK_H
#define EVNTHOOK_H

// Forward declarations
typedef _INTERFACE IHXSite IHXSite;
class CSmilDocumentRenderer;
class CHXString;
class CHXMapPtrToPtr;

class CSmilEventHookResponse
{
public:
    // IUnknown methods
    STDMETHOD(QueryInterface)    (THIS_ REFIID riid, void** ppvObj) PURE;
    STDMETHOD_(ULONG32, AddRef)  (THIS) PURE;
    STDMETHOD_(ULONG32, Release) (THIS) PURE;

    // CSmilEventHookResponse methods
    STDMETHOD(HandleMouseMove)        (THIS_ void*       pWindow,
                                             const char* pRegionID,
                                             const char* pMediaID,
                                             UINT16      uXPos,
                                             UINT16      uYPos,
					     UINT32      kRMAEvent,
					     REF(BOOL)   bHandleSetCursor) PURE;
    STDMETHOD(HandleLButtonUp)        (THIS_ const char* pRegionID,
                                             const char* pMediaID,
                                             UINT16 uXPos, UINT16 uYPos,
                                             REF(BOOL) rbHandled) PURE;
    STDMETHOD(HandleGotFocus)         (THIS_ const char* pRegionID,
                                             const char* pMediaID) PURE;
    STDMETHOD(HandleLostFocus)        (THIS_ const char* pRegionID,
                                             const char* pMediaID) PURE;
    STDMETHOD(HandleCharEvent)        (THIS_ UINT16 uChar) PURE;
    STDMETHOD_(BOOL, HandleSetCursor) (THIS) PURE;
    STDMETHOD(AddShowEvents)          (THIS_ const char* pRegionName, IHXSite* pSite) PURE;
};

class CSmilEventHook: public IHXEventHook
{
public:
    CSmilEventHook(CSmilEventHookResponse* pResponse,
                   const char*             pRegionName,
                   const char*             pChannelName,
                   BOOL                    bNoRegion,
                   const char*             pszMediaID);
    virtual ~CSmilEventHook();

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

    // IHXEventHook methods
    STDMETHOD(HandleEvent) (IHXSite* pSite, HXxEvent* pEvent);
    STDMETHOD(SiteAdded)   (IHXSite* pSite);
    STDMETHOD(SiteRemoved) (IHXSite* pSite);

    // CSmilEventHook methods
    const char* GetRegionName() const;
    const char* GetChannelName() const;
    const char* GetMediaID() const;
private:
    INT32                   m_lRefCount;
    CSmilEventHookResponse* m_pResponse;
    CHXString*              m_pRegionName;
    CHXString*              m_pChannelName;
    CHXMapPtrToPtr*         m_pSiteMap;
    CHXString*              m_pMediaID;
    // ONLY HX_BITFIELD MEMBERS SHOULD GO BELOW THIS LINE!
    // ALL OTHER MEMBER TYPES SHOULD GO ABOVE THIS LINE!
    HX_BITFIELD             m_bNoRegion : 1;
};

#endif