chxclientsitesupplier.h

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: CHXClientSiteSupplier.h,v 1.6.2.4 2004/07/09 01:49:47 hubbe Exp $
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 * the file under the current version of the RealNetworks Community
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 * ***** END LICENSE BLOCK ***** */

#ifndef _CHXCLIENT_SITE_SUPPLIER_H_
#define _CHXCLIENT_SITE_SUPPLIER_H_

#include "CHXClientUnknown.h"

#include "enter_hx_headers.h"
#include "hxwintyp.h"
#include "hxwin.h" // IHXSiteSupplier
#include "hxvctrl.h"

#include "hxsmartptr.h"
HX_SMART_POINTER_INLINE( SPIHXVideoControl, IHXVideoControl );
#include "exit_hx_headers.h"

#include "HXClientCallbacks.h"

class CHXFlatArray;
_INTERFACE IHXPlayer;

class CHXClientSiteSupplier : public IHXSiteSupplier
{
    DECLARE_UNKNOWN_NOCREATE( CHXClientSiteSupplier )
	
private:

	friend class CHXClientSite;
	
	LONG32 m_lCount;
	IHXPlayer* m_pIHXCorePlayer;
	
    // The core is only gonna keep a pointer to the HXxWindow, so we need to keep this allocated as long as the site is valid
    HXxWindow* m_pHXxWindow;
	void* m_UserInfo;
	const HXClientCallbacks* m_pClientCallbacks;
    CHXClientSite* m_pSiteContainer;
	CHXFlatArray* m_pSites;
    HXxSize m_IdealSize;
	bool m_HadVisualContent;

	void OnChangedIdealSize( CHXClientSite* pSite, const HXxSize& newIdealSiteSize );
	HXxWindow* GetHXxWindow( void ) const
	{
		return m_pHXxWindow;
	}

public:

    virtual ~CHXClientSiteSupplier( void );
    CHXClientSiteSupplier( IHXPlayer* pIHXPlayer, HXxWindow* pHXxWindow, void* userInfo, const HXClientCallbacks* pClientCallbacks );

	// IHXSiteSupplier
	STDMETHOD ( SitesNeeded ) ( THIS_ UINT32 uReqestID, IHXValues* pSiteProps );
	STDMETHOD ( SitesNotNeeded ) ( THIS_ UINT32 uReqestID );
	STDMETHOD ( BeginChangeLayout ) ( THIS );
	STDMETHOD ( DoneChangeLayout ) ( THIS );
	
	bool HasVisualContent( void ) const
	{
		// This value sync.'s up with what the user was last notified of.
		return m_HadVisualContent;
	}
	void GetIdealSize( HXxSize& siteIdealSize ) const
	{
		siteIdealSize = m_IdealSize;
	}
	void SetSize( const HXxSize& siteSize );
	bool SetStatus( const char* pStatus );
	void DrawSite( const HXxRect& siteRect );
	SPIHXVideoControl GetVideoControl( void ) const;
};

#endif