/*
 * Implementation of IMediaControl for FilterGraph.
 *
 * FIXME - stub.
 *
 * hidenori@a2.ctktv.ne.jp
 */

#include "config.h"

#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
#include "oleauto.h"
#include "strmif.h"
#include "control.h"
#include "uuids.h"

#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(quartz);

#include "quartz_private.h"
#include "fgraph.h"


static HRESULT WINAPI
IMediaControl_fnQueryInterface(IMediaControl* iface,REFIID riid,void** ppobj)
{
	CFilterGraph_THIS(iface,mediacontrol);

	TRACE("(%p)->()\n",This);

	return IUnknown_QueryInterface(This->unk.punkControl,riid,ppobj);
}

static ULONG WINAPI
IMediaControl_fnAddRef(IMediaControl* iface)
{
	CFilterGraph_THIS(iface,mediacontrol);

	TRACE("(%p)->()\n",This);

	return IUnknown_AddRef(This->unk.punkControl);
}

static ULONG WINAPI
IMediaControl_fnRelease(IMediaControl* iface)
{
	CFilterGraph_THIS(iface,mediacontrol);

	TRACE("(%p)->()\n",This);

	return IUnknown_Release(This->unk.punkControl);
}

static HRESULT WINAPI
IMediaControl_fnGetTypeInfoCount(IMediaControl* iface,UINT* pcTypeInfo)
{
	CFilterGraph_THIS(iface,mediacontrol);

	FIXME("(%p)->()\n",This);

	return E_NOTIMPL;
}

static HRESULT WINAPI
IMediaControl_fnGetTypeInfo(IMediaControl* iface,UINT iTypeInfo, LCID lcid, ITypeInfo** ppobj)
{
	CFilterGraph_THIS(iface,mediacontrol);

	FIXME("(%p)->()\n",This);

	return E_NOTIMPL;
}

static HRESULT WINAPI
IMediaControl_fnGetIDsOfNames(IMediaControl* iface,REFIID riid, LPOLESTR* ppwszName, UINT cNames, LCID lcid, DISPID* pDispId)
{
	CFilterGraph_THIS(iface,mediacontrol);

	FIXME("(%p)->()\n",This);

	return E_NOTIMPL;
}

static HRESULT WINAPI
IMediaControl_fnInvoke(IMediaControl* iface,DISPID DispId, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarRes, EXCEPINFO* pExcepInfo, UINT* puArgErr)
{
	CFilterGraph_THIS(iface,mediacontrol);

	FIXME("(%p)->()\n",This);

	return E_NOTIMPL;
}


static HRESULT WINAPI
IMediaControl_fnRun(IMediaControl* iface)
{
	CFilterGraph_THIS(iface,mediacontrol);

	TRACE("(%p)->()\n",This);

	return IMediaFilter_Run( CFilterGraph_IMediaFilter(This),
			(REFERENCE_TIME)0 );
}

static HRESULT WINAPI
IMediaControl_fnPause(IMediaControl* iface)
{
	CFilterGraph_THIS(iface,mediacontrol);

	TRACE("(%p)->()\n",This);

	return IMediaFilter_Pause( CFilterGraph_IMediaFilter(This) );
}

static HRESULT WINAPI
IMediaControl_fnStop(IMediaControl* iface)
{
	CFilterGraph_THIS(iface,mediacontrol);
	HRESULT	hr;
	FILTER_STATE	fs;

	TRACE("(%p)->()\n",This);

	hr = IMediaControl_GetState(iface,INFINITE,(OAFilterState*)&fs);
	if ( SUCCEEDED(hr) && fs == State_Running )
	{
		hr = IMediaControl_Pause(iface);
		if ( SUCCEEDED(hr) )
			hr = IMediaControl_GetState(iface,INFINITE,(OAFilterState*)&fs);
	}

	if ( SUCCEEDED(hr) && fs == State_Paused )
	{
		hr = IMediaFilter_Stop(CFilterGraph_IMediaFilter(This));
		if ( SUCCEEDED(hr) )
			hr = IMediaControl_GetState(iface,INFINITE,(OAFilterState*)&fs);
	}

	return hr;
}

static HRESULT WINAPI
IMediaControl_fnGetState(IMediaControl* iface,LONG lTimeOut,OAFilterState* pFilterState)
{
	CFilterGraph_THIS(iface,mediacontrol);

	TRACE("(%p)->()\n",This);

	return IMediaFilter_GetState( CFilterGraph_IMediaFilter(This), (DWORD)lTimeOut, (FILTER_STATE*)pFilterState );
}

static HRESULT WINAPI
IMediaControl_fnRenderFile(IMediaControl* iface,BSTR bstrFileName)
{
	CFilterGraph_THIS(iface,mediacontrol);
	UINT	uLen;
	WCHAR*	pwszName;
	HRESULT	hr;

	TRACE("(%p)->()\n",This);

	uLen = SysStringLen(bstrFileName);
	pwszName = (WCHAR*)QUARTZ_AllocMem( sizeof(WCHAR) * (uLen+1) );
	if ( pwszName == NULL )
		return E_OUTOFMEMORY;
	memcpy( pwszName, bstrFileName, sizeof(WCHAR)*uLen );
	pwszName[uLen] = (WCHAR)0;

	hr = IFilterGraph2_RenderFile(
		CFilterGraph_IFilterGraph2(This), pwszName, NULL );

	QUARTZ_FreeMem( pwszName );

	return hr;
}

static HRESULT WINAPI
IMediaControl_fnAddSourceFilter(IMediaControl* iface,BSTR bstrFileName,IDispatch** ppobj)
{
	CFilterGraph_THIS(iface,mediacontrol);

	FIXME("(%p)->()\n",This);

	return E_NOTIMPL;
}

static HRESULT WINAPI
IMediaControl_fnget_FilterCollection(IMediaControl* iface,IDispatch** ppobj)
{
	CFilterGraph_THIS(iface,mediacontrol);

	FIXME("(%p)->()\n",This);

	return E_NOTIMPL;
}

static HRESULT WINAPI
IMediaControl_fnget_RegFilterCollection(IMediaControl* iface,IDispatch** ppobj)
{
	CFilterGraph_THIS(iface,mediacontrol);

	FIXME("(%p)->()\n",This);

	return E_NOTIMPL;
}

static HRESULT WINAPI
IMediaControl_fnStopWhenReady(IMediaControl* iface)
{
	CFilterGraph_THIS(iface,mediacontrol);

	TRACE("(%p)->()\n",This);

	return IMediaFilter_Stop( CFilterGraph_IMediaFilter(This) );
}


static ICOM_VTABLE(IMediaControl) imediacontrol =
{
	ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
	/* IUnknown fields */
	IMediaControl_fnQueryInterface,
	IMediaControl_fnAddRef,
	IMediaControl_fnRelease,
	/* IDispatch fields */
	IMediaControl_fnGetTypeInfoCount,
	IMediaControl_fnGetTypeInfo,
	IMediaControl_fnGetIDsOfNames,
	IMediaControl_fnInvoke,
	/* IMediaControl fields */
	IMediaControl_fnRun,
	IMediaControl_fnPause,
	IMediaControl_fnStop,
	IMediaControl_fnGetState,
	IMediaControl_fnRenderFile,
	IMediaControl_fnAddSourceFilter,
	IMediaControl_fnget_FilterCollection,
	IMediaControl_fnget_RegFilterCollection,
	IMediaControl_fnStopWhenReady,
};


HRESULT CFilterGraph_InitIMediaControl( CFilterGraph* pfg )
{
	TRACE("(%p)\n",pfg);
	ICOM_VTBL(&pfg->mediacontrol) = &imediacontrol;

	return NOERROR;
}

void CFilterGraph_UninitIMediaControl( CFilterGraph* pfg )
{
	TRACE("(%p)\n",pfg);
}