hxplugn.h

linux下的一款播放器

    /************************************************************************
     *	Method:
     *	    IHXPlugin2Handler::FindImplementationFromClassID
     *
     *	Purpose:    
     *	    Finds a CommonClassFactory plugin which supports the 
     *	    ClassID given. An instance of the Class is returned. 
     */

    STDMETHOD(FindImplementationFromClassID)
    (
	THIS_ 
	REFGUID GUIDClassID, 
	REF(IUnknown*) pIUnknownInstance
    ) PURE;

    /************************************************************************
     *	Method:
     *	    IHXPlugin2Handler::Close
     *
     *	Purpose:    
     *	    A function which performs all of the functions of delete.
     *	    
     *
     */
    
    STDMETHOD(Close)		(THIS) PURE; 

    /************************************************************************
     *	Method:
     *	    IHXPlugin2Handler::SetRequiredPlugins
     *
     *	Purpose:    
     *	    This function sets the required plugin list
     *	    
     *
     */

    STDMETHOD(SetRequiredPlugins) (THIS_ const char** ppszRequiredPlugins) PURE;


};


// $Private:
/****************************************************************************
 * 
 *  Interface:
 * 
 *	IHXPluginHandler3
 * 
 *  Purpose:
 * 
 *	Extensions to the IHXPlugin2Handler so we can interact with the 
 *	Gemini Object Broker
 * 
 *  IID_IHXPluginHandler3:
 * 
 * 	{32B19771-2299-11d4-9503-00902790299C}
 * 
 */
DEFINE_GUID( IID_IHXPluginHandler3, 0x32b19771, 0x2299, 0x11d4, 0x95, 0x3, 0x0, 0x90, 0x27, 0x90, 0x29, 0x9c);

#undef  INTERFACE
#define INTERFACE   IHXPluginHandler3

DECLARE_INTERFACE_(IHXPluginHandler3, IUnknown)
{
    /************************************************************************
     *	Method:
     *	    IHXPluginHandler3::RegisterContext
     *
     *	Purpose:    
     *	    Sets up the context without loading any plugin info
     *
     */
    STDMETHOD( RegisterContext )( THIS_ IUnknown* pContext ) PURE;

    /************************************************************************
     *	Method:
     *	    IHXPluginHandler3::AddPluginMountPoint
     *
     *	Purpose:    
     *	    Sets up the plugins stored in this preferences object
     *
     */
    STDMETHOD( AddPluginMountPoint )( THIS_ const char* pName, UINT32 majorVersion,
					    UINT32 minorVersion, IHXBuffer* pPath ) PURE;


    /************************************************************************
     *	Method:
     *	    IHXPluginHandler3::RefreshPluginMountPoint
     *
     *	Purpose:    
     * 	    Refreshes plugin information associated with this 
     *	    preferences object
     */
    STDMETHOD( RefreshPluginMountPoint )( THIS_ const char* pName ) PURE;


    /************************************************************************
     *	Method:
     *	    IHXPluginHandler3::RemovePluginMountPoint
     *
     *	Purpose:    
     *	    Removes plugins associated with this preferences object
     */
    STDMETHOD( RemovePluginMountPoint )( THIS_ const char* pName ) PURE;


    /************************************************************************
     *	Method:
     *	    IHXPluginHandler3::FindImplementationFromClassID
     *
     *	Purpose:    
     *	    Finds a CommonClassFactory plugin which supports the 
     *	    ClassID given. An instance of the Class is returned. 
     *	    The plugin instance is initialized with the specified 
     *	    context
     */

    STDMETHOD( FindImplementationFromClassID )( THIS_ REFGUID GUIDClassID, 
		    REF(IUnknown*) pIUnknownInstance, IUnknown* pIUnkOuter, IUnknown* pContext ) PURE;


    /************************************************************************
     *	Method:
     *	    IHXPluginHandler3::FindCLSIDFromName
     *
     *	Purpose:    
     *
     *	    Maps a text name to a CLSID based on information from 
     *	    component plugins
     */
    STDMETHOD( FindCLSIDFromName )( THIS_ const char* pName, REF(IHXBuffer*) pCLSID ) PURE;


    /************************************************************************
     *	Method:
     *	    IHXPluginHandler3::FindGroupOfPluginsUsingValues
     *
     *	Purpose:    
     *	    Builds a collection of plugins that match the criteria
     *
     */
    STDMETHOD(FindGroupOfPluginsUsingValues)(THIS_ IHXValues* pValues, 
				    REF(IHXPluginSearchEnumerator*) pIEnumerator) PURE;

    /************************************************************************
     *	Method:
     *	    IHXPluginHandler3::FindGroupOfPluginsUsingStrings
     *
     *	Purpose:    
     *	    Builds a collection of plugins that match the criteria
     *
     */
    STDMETHOD(FindGroupOfPluginsUsingStrings)(THIS_ char* PropName1, 
				    char* PropVal1, 
				    char* PropName2, 
				    char* PropVal2, 
				    char* PropName3, 
				    char* PropVal3, 
				    REF(IHXPluginSearchEnumerator*) pIEnumerator) PURE;


    /************************************************************************
     *	Method:
     *	    IHXPluginHandler3::GetPlugin
     *
     *	Purpose:    
     *	    Allocates a plugin based on index.  Supports aggregation
     *
     */
    STDMETHOD(GetPlugin)(THIS_ ULONG32 ulIndex,
				    REF(IUnknown*) pIUnkResult,
				    IUnknown* pIUnkOuter ) PURE;

    /************************************************************************
     *	Method:
     *	    IHXPluginHandler3::FindPluginUsingValues
     *
     *	Purpose:    
     *	    Allocates a plugin based on criteria.  Supports aggregation
     *
     */
    STDMETHOD(FindPluginUsingValues)(THIS_ IHXValues*, 
				    REF(IUnknown*) pIUnkResult, 
				    IUnknown* pIUnkOuter ) PURE;


    /************************************************************************
     *	Method:
     *	    IHXPluginHandler3::FindPluginUsingStrings
     *
     *	Purpose:    
     *	    Allocates a plugin based on criteria.  Supports aggregation
     *
     */
    STDMETHOD(FindPluginUsingStrings)(THIS_ char* PropName1, 
				    char* PropVal1, 
				    char* PropName2, 
				    char* PropVal2, 
				    char* PropName3, 
				    char* PropVal3, 
				    REF(IUnknown*) pIUnkResult, 
				    IUnknown* pIUnkOuter ) PURE;

    /************************************************************************
     *	Method:
     *	    IHXPluginHandler3::UnloadPluginFromClassID
     *
     *	Purpose:    
     *	    Finds a plugin from the classID and unloads it if it supports CanUnload2
	 *		and returns TRUE in response to query
     */

    STDMETHOD( UnloadPluginFromClassID )( THIS_ REFGUID GUIDClassID ) PURE;

     /************************************************************************
     *	Method:
     *	    IHXPluginHandler3::UnloadPackageByName
     *
     *	Purpose:    
     *	    finds a package from the name passed in and attempts to unload it.
     */
    STDMETHOD (UnloadPackageByName) (char const* pName) PURE;

};
// $EndPrivate.

// $Private:
/****************************************************************************
 * 
 *  Interface:
 * 
 *	IHXPluginDatabase
 * 
 *  Purpose:
 * 
 *	Extensions to the plugin handler for optimized searching
 *	on a single key
 * 
 *  IID_IHXPluginDatabase:
 * 
 *	{C2C65401-A478-11d4-9518-00902790299C}
 * 
 */

enum EPluginIndexType
{
    kIndex_StringType,
    kIndex_BufferType,
    kIndex_GUIDType,
    kIndex_MVStringType,

    kIndex_NumTypes
};

DEFINE_GUID( IID_IHXPluginDatabase, 0xc2c65401, 0xa478, 0x11d4, 0x95, 0x18, 0x0, 0x90, 0x27, 0x90, 0x29, 0x9c);

#undef  INTERFACE
#define INTERFACE   IHXPluginDatabase

DECLARE_INTERFACE_(IHXPluginDatabase, IUnknown)
{
    /************************************************************************
     *	Method:
     *	    IHXPluginDatabase::AddPluginIndex
     *
     *	Purpose:    
     *	    Create a new index in the plugin-handler
     *
     */
    STDMETHOD( AddPluginIndex ) ( THIS_ const char* pKeyName, EPluginIndexType indexType, BOOL bScanExisting ) PURE;
    
    /************************************************************************
     *	Method:
     *	    IHXPluginDatabase::RemovePluginIndex
     *
     *	Purpose:    
     *	    Remove an index from the plugin handler
     *
     */
    STDMETHOD( RemovePluginIndex )( THIS_ const char* pKeyName ) PURE;

    
    /************************************************************************
     *	Method:
     *	    IHXPluginDatabase::FindPluginInfoViaIndex
     *
     *	Purpose:    
     *	    Look up a plugin's info based on a single attribute.  Use an index if
     *	    possible, otherwise defer to a linear search
     *
     */
    STDMETHOD( FindPluginInfoViaIndex )( THIS_ const char* pKeyName, const void* pValue, IHXValues** ppIInfo ) PURE;
    
    /************************************************************************
     *	Method:
     *	    IHXPluginDatabase::FindPluginSetViaIndex
     *
     *	Purpose:    
     *	    // XXXND  Should this take pValue?  Should it just return a list from an index?
     *	    Find a set of plugins matching a single attribute
     *
     */
    STDMETHOD( FindPluginSetViaIndex )( THIS_ const char* pKeyName, const void* pValue, IHXPluginSearchEnumerator** ppIEnumerator ) PURE;
    
    /************************************************************************
     *	Method:
     *	    IHXPluginDatabase::FindPluginViaIndex
     *
     *	Purpose:    
     *	    Create a plugin based on a simple attribute.
     *
     */
    STDMETHOD( CreatePluginViaIndex )( THIS_ const char* pKeyName, const void* pValue, IUnknown** ppIUnkPlugin, IUnknown* pIUnkOuter ) PURE;
};

// $EndPrivate.



// $Private:
/****************************************************************************
 * 
 *  Interface:
 * 
 *	IHXProxiedPugin
 * 
 *  Purpose:
 * 
 *	Provides The IHXPlugin actually being used.
 * 
 *  IID_IHXProxiedPlugin:
 * 
 *	{00000C10-0901-11d1-8B06-00A024406D59}
 * 
 */
DEFINE_GUID(IID_IHXProxiedPlugin, 0x00000C0A, 0x901, 0x11d1, 0x8b, 0x6, 0x0, 
			0xa0, 0x24, 0x40, 0x6d, 0x59);

#undef  INTERFACE
#define INTERFACE   IHXProxiedPlugin

DECLARE_INTERFACE_(IHXProxiedPlugin, IUnknown)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)		(THIS_
					REFIID riid,
					void** ppvObj) PURE;

    STDMETHOD_(ULONG32,AddRef)		(THIS) PURE;

    STDMETHOD_(ULONG32,Release)		(THIS) PURE;

    /*
     *	IHXProxiedPlugin methods
     */
    
    /************************************************************************
     *	Method:
     *	    IHXProxiedPlugin::GetProxiedPlugin
     *	Purpose:
     *	    Gets the Actual Plugin being used...
     */
    STDMETHOD(GetProxiedPlugin)(THIS_
	    REF(IHXPlugin*) /*OUT*/ pPlugin) PURE;

};
// $EndPrivate.


// $Private:
/****************************************************************************
 * 
 * Component plugin property names
 *
 *   These attribute names are standard.  
 *
 *	ComponentCLSID maps to an IHXBuffer value that contains the
 *	binary CLSID for the component
 *
 *	ComponentName maps to a string value that contains the tag or
 *	actor name for the component
 *
 */
#define PLUGIN_COMPONENT_CLSID	    "ComponentCLSID"
#define PLUGIN_COMPONENT_NAME	    "ComponentName"


/****************************************************************************
 * 
 *  Interface: 
 * 
 *	IHXComponentPlugin
 * 
 *  Purpose:
 * 
 * 	Allows the plugin handler to iterator over multiple plugins in a DLL
 * 
 *	{F8A31571-22AC-11d4-9503-00902790299C}
 * 
 */
DEFINE_GUID( IID_IHXComponentPlugin, 0xf8a31571, 0x22ac, 0x11d4, 0x95, 0x3, 0x0, 0x90, 0x27, 0x90, 0x29, 0x9c);

#undef  INTERFACE
#define INTERFACE   IHXComponentPlugin

DECLARE_INTERFACE_(IHXComponentPlugin, IUnknown)
{
    /*
     *	IHXComponentPlugin methods
     */

    /************************************************************************
     *	Method:
     *	    IHXComponentPlugin::GetNumberComponents
     *	Purpose:
     */
    STDMETHOD_(UINT32, GetNumComponents)(THIS) PURE;

    /************************************************************************
     *	Method:
     *	    IHXComponentPlugin::GetPackageName
     *	Purpose:
     */
    STDMETHOD_(char const*, GetPackageName)(THIS) CONSTMETHOD PURE;

    /************************************************************************
     *  Method:
     *	    IHXComponentPlugin::GetComponentInfoAtIndex
     *  Purpose:
     */
    STDMETHOD(GetComponentInfoAtIndex) (THIS_
				    UINT32 	    /*IN*/  nIndex,
				    REF(IHXValues*)  /*OUT*/ pInfo) PURE;

    /************************************************************************
     *  Method:
     *	    IHXComponentPlugin::CreateComponentInstance
     *  Purpose:
     */
    STDMETHOD(CreateComponentInstance)(THIS_
				    REFCLSID	    /*IN*/  rclsid,
				    REF(IUnknown*)  /*OUT*/ ppUnknown,
				    IUnknown*	    /*IN*/  pUnkOuter) PURE;
};

/****************************************************************************
 * 
 *  Interface: 
 * 
 *	IHXPluginNamespace
 * 
 *  Purpose:
 * 
 * 	Allows the plugin handler to retrieve a plugin's namespace
 * 
 *	{F09E8891-8E2D-11d4-82DB-00D0B74C2D25}
 * 
 */
DEFINE_GUID(IID_IHXPluginNamespace, 0xf09e8891, 0x8e2d, 0x11d4, 0x82, 0xdb, 0x0, 0xd0, 0xb7, 0x4c, 0x2d, 0x25);

#undef  INTERFACE
#define INTERFACE   IHXPluginNamespace

DECLARE_INTERFACE_(IHXPluginNamespace, IUnknown)
{
    /************************************************************************
     *  Method:
     *	    IHXPluginNamespace::GetPluginNamespace
     *  Purpose:
     */
    STDMETHOD(GetPluginNamespace)	(THIS_
					REF(IHXBuffer*)  /*OUT*/ pBuffer) PURE;

};
// $EndPrivate.

#endif /* _HXPLUGN_H_ */