winamp/Src/devices/deviceSupportedCommand.cpp

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2024-09-24 12:54:57 +00:00
#include "main.h"
#include "./deviceSupportedCommand.h"
DeviceSupportedCommand::DeviceSupportedCommand()
: ref(1), name(NULL), flags(DeviceCommandFlag_None)
{
}
DeviceSupportedCommand::~DeviceSupportedCommand()
{
AnsiString_Free(name);
}
HRESULT DeviceSupportedCommand::CreateInstance(const char *name, DeviceSupportedCommand **instance)
{
DeviceSupportedCommand *self;
if (NULL == instance)
return E_POINTER;
*instance = NULL;
self = new DeviceSupportedCommand();
if (NULL == self)
return E_OUTOFMEMORY;
self->name = AnsiString_Duplicate(name);
*instance = self;
return S_OK;
}
size_t DeviceSupportedCommand::AddRef()
{
return InterlockedIncrement((LONG*)&ref);
}
size_t DeviceSupportedCommand::Release()
{
if (0 == ref)
return ref;
LONG r = InterlockedDecrement((LONG*)&ref);
if (0 == r)
delete(this);
return r;
}
int DeviceSupportedCommand::QueryInterface(GUID interface_guid, void **object)
{
if (NULL == object)
return E_POINTER;
if (IsEqualIID(interface_guid, IFC_DeviceSupportedCommand))
*object = static_cast<ifc_devicesupportedcommand*>(this);
else
{
*object = NULL;
return E_NOINTERFACE;
}
if (NULL == *object)
return E_UNEXPECTED;
AddRef();
return S_OK;
}
const char *DeviceSupportedCommand::GetName()
{
return name;
}
HRESULT DeviceSupportedCommand::GetFlags(DeviceCommandFlags *flagsOut)
{
if (NULL == flagsOut)
return E_POINTER;
*flagsOut = flags;
return S_OK;
}
HRESULT DeviceSupportedCommand::SetFlags(DeviceCommandFlags mask, DeviceCommandFlags value)
{
DeviceCommandFlags temp;
temp = (flags & mask) | (mask & value);
if (temp == flags)
return S_FALSE;
flags = temp;
return S_OK;
}
HRESULT DeviceSupportedCommand::Clone(DeviceSupportedCommand **instance)
{
HRESULT hr;
hr = DeviceSupportedCommand::CreateInstance(name, instance);
if (SUCCEEDED(hr))
{
(*instance)->flags = flags;
}
return hr;
}
#define CBCLASS DeviceSupportedCommand
START_DISPATCH;
CB(ADDREF, AddRef)
CB(RELEASE, Release)
CB(QUERYINTERFACE, QueryInterface)
CB(API_GETNAME, GetName)
CB(API_GETFLAGS, GetFlags)
END_DISPATCH;
#undef CBCLASS