void CLCDOutput::Update(DWORD dwTimestamp)
{
if (m_pActiveScreen)
{
m_pActiveScreen->Update(dwTimestamp);
}
// check for expiration
if (m_pActiveScreen && m_pActiveScreen->HasExpired())
{
m_pActiveScreen = NULL;
//m_nPriority = LGLCD_PRIORITY_FYI; -> needs to go so that if a
// program sets priority to LGLCD_PRIORITY_BACKGROUND, that
// priority sticks.
OnScreenExpired(m_pActiveScreen);
// Clear the bitmap
ClearBitmap(m_pLastBitmap);
// find the next active screen
LCD_MGR_LIST::iterator it = m_LCDMgrList.begin();
while(it != m_LCDMgrList.end())
{
CLCDManager *pMgr = *it;
LCDUIASSERT(NULL != pMgr);
if (!pMgr->HasExpired())
{
ActivateScreen(pMgr);
//m_nPriority = LGLCD_PRIORITY_FYI; -> needs to go so that if a
// program sets priority to LGLCD_PRIORITY_BACKGROUND, that
// priority sticks.
break;
}
++it;
}
// if no screen found, empty the screen at idle priority
if (NULL == m_pActiveScreen)
{
if (LGLCD_INVALID_DEVICE != m_hDevice)
{
lgLcdUpdateBitmap(m_hDevice, &CLCDManager::GetLCDScreen()->hdr,
LGLCD_ASYNC_UPDATE(LGLCD_PRIORITY_IDLE_NO_SHOW));
}
}
}
// check for lcd devices
if (LGLCD_INVALID_DEVICE == m_hDevice)
{
EnumerateDevices();
}
}
HRESULT CLCDOutput::Initialize(lgLcdConnectContext* pContext, BOOL bUseWindow)
{
UNREFERENCED_PARAMETER(bUseWindow);
DWORD res = ERROR_SUCCESS;
CLCDManager::Initialize();
// initialize our screens
LCD_MGR_LIST::iterator it = m_LCDMgrList.begin();
while(it != m_LCDMgrList.end())
{
CLCDManager *pMgr = *it;
LCDUIASSERT(NULL != pMgr);
pMgr->Initialize();
++it;
}
// LCD Stuff
LCDUIASSERT(lInitCount >= 0);
if(1 == InterlockedIncrement(&lInitCount))
{
// need to call lgLcdInit once
res = lgLcdInit();
if (ERROR_SUCCESS != res)
{
InterlockedDecrement(&lInitCount);
LCDUITRACE(_T("WARNING: lgLcdInit failed\n"));
return E_FAIL;
}
}
m_lcdConnectCtxEx.appFriendlyName = _T("My App");
m_lcdConnectCtxEx.isPersistent = FALSE;
m_lcdConnectCtxEx.isAutostartable = FALSE;
m_lcdConnectCtxEx.connection = LGLCD_INVALID_CONNECTION;
// Initialize the added version 3.0 API fields
m_lcdConnectCtxEx.dwAppletCapabilitiesSupported = LGLCD_APPLET_CAP_BASIC;
m_lcdConnectCtxEx.dwReserved1 = 0;
m_lcdConnectCtxEx.onNotify.notificationCallback = NULL;
m_lcdConnectCtxEx.onNotify.notifyContext = NULL;
// if user passed in the context, fill it up
if (NULL != pContext)
{
memcpy(&m_lcdConnectCtxEx, pContext, sizeof(lgLcdConnectContext));
}
return S_OK;
}
HRESULT CLCDOutput::Initialize(lgLcdConnectContext* pContext, BOOL bUseWindow)
{
UNREFERENCED_PARAMETER(bUseWindow);
DWORD res = ERROR_SUCCESS;
CLCDManager::Initialize();
// initialize our screens
LCD_MGR_LIST::iterator it = m_LCDMgrList.begin();
while(it != m_LCDMgrList.end())
{
CLCDManager *pMgr = *it;
LOGIASSERT(NULL != pMgr);
pMgr->Initialize();
++it;
}
// LCD Stuff
LOGIASSERT(lInitCount >= 0);
if(1 == InterlockedIncrement(&lInitCount))
{
// need to call lgLcdInit once
res = lgLcdInit();
if (ERROR_SUCCESS != res)
{
InterlockedDecrement(&lInitCount);
LOGITRACE(_T("WARNING: lgLcdInit failed\n"));
return E_FAIL;
}
}
m_lcdConnectCtx.appFriendlyName = _T("My App");
m_lcdConnectCtx.isPersistent = FALSE;
m_lcdConnectCtx.isAutostartable = FALSE;
m_lcdConnectCtx.connection = LGLCD_INVALID_CONNECTION;
// if user passed in the context, fill it up
if (NULL != pContext)
{
memcpy(&m_lcdConnectCtx, pContext, sizeof(lgLcdConnectContext));
}
return S_OK;
}
void CLCDOutput::Update(DWORD dwTimestamp)
{
if (m_pActiveScreen)
{
m_pActiveScreen->Update(dwTimestamp);
}
// check for expiration
if (m_pActiveScreen && m_pActiveScreen->HasExpired(dwTimestamp))
{
m_pActiveScreen = NULL;
//m_nPriority = LGLCD_PRIORITY_FYI; -> needs to go so that if a
// program sets priority to LGLCD_PRIORITY_BACKGROUND, that
// priority sticks.
OnScreenExpired(m_pActiveScreen);
// find the next active screen
LCD_MGR_LIST::iterator it = m_LCDMgrList.begin();
while(it != m_LCDMgrList.end())
{
CLCDManager *pMgr = *it;
LOGIASSERT(NULL != pMgr);
if (!pMgr->HasExpired(dwTimestamp))
{
ActivateScreen(pMgr);
//m_nPriority = LGLCD_PRIORITY_FYI; -> needs to go so that if a
// program sets priority to LGLCD_PRIORITY_BACKGROUND, that
// priority sticks.
break;
}
++it;
}
}
// check for lcd devices
if (LGLCD_INVALID_DEVICE == m_hDevice)
{
EnumerateDevices();
}
}
