www.pudn.com > STBIHOST.rar > external.cpp

// 
// Copyright (c) Microsoft Corporation.  All rights reserved. 
// 
// 
// Use of this source code is subject to the terms of the Microsoft end-user 
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT. 
// If you did not accept the terms of the EULA, you are not authorized to use 
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your 
// install media. 
// 
/*++ 
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. 
 
Module Name:  rctlkeys.cpp 
 
Abstract:  Implements IHostExternal; see header file for more info. 
 
--*/ 
 
#include "stdafx.h" 
#include "stbihost.h" 
#include "mainwnd.h" 
#include "rctlkeys.h" 
#include "debugutils.h" 
#if 0	// STB_OSD_CODE 
#include "osdwrapper.h" 
#endif 
#include "external.h" 
 
STDMETHODIMP CHostExternal::get_FullScreen(VARIANT_BOOL* pVal) 
{ 
	if (!pVal) 
	{ 
		ASSERT(FALSE); 
		return E_POINTER; 
	} 
 
	*pVal = (m_pMainWnd->_fSafeArea ? VARIANT_FALSE : VARIANT_TRUE); 
 
	return S_OK; 
} 
 
STDMETHODIMP CHostExternal::put_FullScreen(VARIANT_BOOL newVal) 
{ 
	BOOL f = newVal ? FALSE : TRUE; 
	f = m_pMainWnd->EnableSafeArea(f); 
	return f ? S_OK : E_FAIL; 
} 
 
STDMETHODIMP 
CHostExternal::get_RemoteControlKeys(/*[out, retval]*/ IDispatch** ppVal) 
{ 
	if (!ppVal) return E_POINTER; 
 
	if (*ppVal) 
		*ppVal = NULL; 
 
	if (!m_pUnkRCtlKeys) 
	{ 
		m_pUnkRCtlKeys = new CComObject(); 
		if (!m_pUnkRCtlKeys) return E_OUTOFMEMORY; 
		m_pUnkRCtlKeys->AddRef(); 
		(reinterpret_cast(m_pUnkRCtlKeys))->SetInst(m_pMainWnd); 
	} 
 
	return m_pUnkRCtlKeys->QueryInterface(IID_IDispatch, (PVOID*)(ppVal)); 
} 
 
STDMETHODIMP CHostExternal::get_DebugUtils(/*[out, retval]*/ IDispatch** ppVal) 
{ 
	if (!ppVal) return E_POINTER; 
 
	if (*ppVal) 
		*ppVal = NULL; 
 
#ifdef DEBUG 
	if (!m_pUnkDbgUtils) 
	{ 
		m_pUnkDbgUtils = new CComObject(); 
		if (!m_pUnkDbgUtils) return E_OUTOFMEMORY; 
		m_pUnkDbgUtils->AddRef(); 
	} 
 
	return m_pUnkDbgUtils->QueryInterface(IID_IDispatch, (PVOID*)(ppVal)); 
#else 
	return E_NOTIMPL; 
#endif 
} 
 
#if 0	// STB_OSD_CODE 
STDMETHODIMP CHostExternal::get_OSD(/*[out, retval]*/ IDispatch** ppVal) 
{ 
	if (!ppVal) return E_POINTER; 
 
	if (*ppVal) 
		*ppVal = NULL; 
 
	if (!m_pUnkOSD) 
	{ 
		m_pUnkOSD = new CComObject(); 
		if (!m_pUnkOSD) return E_OUTOFMEMORY; 
		m_pUnkOSD->AddRef(); 
	} 
 
	return m_pUnkOSD->QueryInterface(IID_IDispatch, (PVOID*)(ppVal)); 
} 
#endif