You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
169 lines
3.4 KiB
169 lines
3.4 KiB
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// Module: gni.h
|
|
//
|
|
// Description: Graph Pin Info Class
|
|
//
|
|
//
|
|
//@@BEGIN_MSINTERNAL
|
|
// Development Team:
|
|
// Mike McLaughlin
|
|
//
|
|
// History: Date Author Comment
|
|
//
|
|
//@@END_MSINTERNAL
|
|
//---------------------------------------------------------------------------
|
|
//
|
|
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
|
|
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
|
|
// PURPOSE.
|
|
//
|
|
// Copyright (c) 1996-1999 Microsoft Corporation. All Rights Reserved.
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
//---------------------------------------------------------------------------
|
|
// Constants and Macros
|
|
//---------------------------------------------------------------------------
|
|
|
|
#define GPI_FLAGS_RESERVE_PIN_INSTANCE 0x00000001
|
|
#define GPI_FLAGS_PIN_INSTANCE_RESERVED 0x00000002
|
|
|
|
//---------------------------------------------------------------------------
|
|
// Class
|
|
//---------------------------------------------------------------------------
|
|
|
|
typedef class CGraphPinInfo : public CListDoubleItem
|
|
{
|
|
friend class CConnectInfo;
|
|
private:
|
|
CGraphPinInfo(
|
|
PPIN_INFO pPinInfo,
|
|
ULONG ulFlags,
|
|
PGRAPH_NODE pGraphNode
|
|
);
|
|
|
|
~CGraphPinInfo(
|
|
);
|
|
|
|
public:
|
|
static NTSTATUS
|
|
Create(
|
|
PGRAPH_PIN_INFO *ppGraphPinInfo,
|
|
PPIN_INFO pPinInfo,
|
|
ULONG ulFlags,
|
|
PGRAPH_NODE pGraphNode
|
|
);
|
|
|
|
ENUMFUNC
|
|
Destroy(
|
|
)
|
|
{
|
|
if(this != NULL) {
|
|
Assert(this);
|
|
ASSERT(cReference > 0);
|
|
|
|
if(--cReference == 0) {
|
|
delete this;
|
|
}
|
|
}
|
|
return(STATUS_CONTINUE);
|
|
};
|
|
|
|
VOID
|
|
AddRef(
|
|
)
|
|
{
|
|
if(this != NULL) {
|
|
Assert(this);
|
|
++cReference;
|
|
}
|
|
};
|
|
|
|
PPIN_INFO
|
|
GetPinInfo(
|
|
)
|
|
{
|
|
Assert(this);
|
|
return(pPinInfo);
|
|
};
|
|
|
|
PKSPIN_CINSTANCES
|
|
GetPinInstances(
|
|
)
|
|
{
|
|
Assert(this);
|
|
return(&cPinInstances);
|
|
};
|
|
|
|
VOID
|
|
AddPinInstance(
|
|
)
|
|
{
|
|
Assert(this);
|
|
cPinInstances.CurrentCount++;
|
|
};
|
|
|
|
VOID
|
|
RemovePinInstance(
|
|
)
|
|
{
|
|
Assert(this);
|
|
cPinInstances.CurrentCount--;
|
|
};
|
|
|
|
BOOL
|
|
IsPinInstances(
|
|
)
|
|
{
|
|
Assert(this);
|
|
return(cPinInstances.CurrentCount < cPinInstances.PossibleCount);
|
|
};
|
|
|
|
BOOL
|
|
IsPinReserved(
|
|
)
|
|
{
|
|
return(ulFlags & GPI_FLAGS_PIN_INSTANCE_RESERVED);
|
|
};
|
|
|
|
BOOL
|
|
IsPossibleInstances(
|
|
)
|
|
{
|
|
if(IsPinReserved()) {
|
|
return(cPinInstances.PossibleCount > 1);
|
|
}
|
|
return(cPinInstances.PossibleCount > 0);
|
|
};
|
|
|
|
VOID
|
|
ReservePinInstance(
|
|
)
|
|
{
|
|
Assert(this);
|
|
ulFlags |= GPI_FLAGS_PIN_INSTANCE_RESERVED;
|
|
cPinInstances.CurrentCount = 1;
|
|
};
|
|
|
|
private:
|
|
LONG cReference;
|
|
ULONG ulFlags;
|
|
PPIN_INFO pPinInfo;
|
|
KSPIN_CINSTANCES cPinInstances;
|
|
public:
|
|
DefineSignature(0x20495047); // GPI
|
|
|
|
} GRAPH_PIN_INFO, *PGRAPH_PIN_INFO;
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
typedef ListDouble<GRAPH_PIN_INFO> LIST_GRAPH_PIN_INFO;
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
typedef ListData<GRAPH_PIN_INFO> LIST_DATA_GRAPH_PIN_INFO;
|
|
|
|
//---------------------------------------------------------------------------
|