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// NP_CommonPage.h : Declaration of the CNP_CommonPage
#ifndef __NP_COMMONPAGE_H_
#define __NP_COMMONPAGE_H_
#include "resource.h" // main symbols
#include "misccell.h"
#include "TreeWin.h"
#include "LastErrorWin.h"
//BUG: C4003: resolution
#undef SubclassWindow
EXTERN_C const CLSID CLSID_NP_CommonPage;
/////////////////////////////////////////////////////////////////////////////
// CNP_CommonPage
class ATL_NO_VTABLE CNP_CommonPage : public CComObjectRootEx<CComSingleThreadModel>, public CComCoClass<CNP_CommonPage, &CLSID_NP_CommonPage>, public IPropertyPageImpl<CNP_CommonPage>, public CDialogImpl<CNP_CommonPage>, public IBroadcastEvent{public: CNP_CommonPage(): m_treeWinControl(this) { m_dwTitleID = IDS_TITLENP_CommonPage; m_dwHelpFileID = IDS_HELPFILENP_CommonPage; m_dwDocStringID = IDS_DOCSTRINGNP_CommonPage; }
enum {IDD = IDD_NP_COMMONPAGE};
DECLARE_REGISTRY_RESOURCEID(IDR_NP_COMMONPAGE)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CNP_CommonPage) COM_INTERFACE_ENTRY(IPropertyPage) COM_INTERFACE_ENTRY(IBroadcastEvent)END_COM_MAP()
BEGIN_MSG_MAP(CNP_CommonPage) CHAIN_MSG_MAP(IPropertyPageImpl<CNP_CommonPage>) COMMAND_HANDLER(IDC_BUTTON_SEEK_UP, BN_CLICKED, OnClickedButton_seek_up) COMMAND_HANDLER(IDC_BUTTON_SEEK_DOWN, BN_CLICKED, OnClickedButton_seek_down) COMMAND_HANDLER(IDC_BUTTON_AUTO_PROGRAM, BN_CLICKED, OnClickedButton_auto_program) MESSAGE_HANDLER(WM_INITDIALOG, OnInitDialog) //MESSAGE_HANDLER(m_NotifyMessage, OnDShowNotify)
COMMAND_HANDLER(IDC_BUTTON_SCAN_DOWN, BN_CLICKED, OnClickedButton_scan_down) COMMAND_HANDLER(IDC_BUTTON_SCAN_UP, BN_CLICKED, OnClickedButton_scan_up) COMMAND_HANDLER(IDC_BUTTON_SUBMIT_LOCATOR, BN_CLICKED, OnClickedButton_submit_locator) REFLECT_NOTIFICATIONS ()END_MSG_MAP()// Handler prototypes:
typedef IPropertyPageImpl<CNP_CommonPage> PPGBaseClass;
STDMETHOD(SetObjects)(ULONG nObjects, IUnknown** ppUnk) { // Use SetObjects to perform basic sanity checks on the objects whose properties will be set
// This page can only handle a single object
// and that object must support the IBDA_NetworkProvider interface.
// We return E_INVALIDARG in any other situation
HRESULT hr = E_INVALIDARG; if (nObjects == 1) // Single object
{ CComQIPtr<IBDA_NetworkProvider> pNP(ppUnk[0]); // Must support IBDA_NetworkProvider
if (pNP) hr = PPGBaseClass::SetObjects(nObjects, ppUnk); } return hr; } STDMETHOD(Activate)(HWND hWndParent, LPCRECT prc, BOOL bModal) { // If we don't have any objects, this method should not be called
// Note that OleCreatePropertyFrame will call Activate even if a call to SetObjects fails, so this check is required
if (!m_ppUnk) return E_UNEXPECTED;
// Use Activate to update the property page's UI with information
// obtained from the objects in the m_ppUnk array
// We update the page to display the Name and ReadOnly properties of the document
// Call the base class
HRESULT hr = PPGBaseClass::Activate(hWndParent, prc, bModal);
if (!m_ppUnk[0]) return E_UNEXPECTED;
//if already advised, unadvise
if (m_pBroadcastEventService) { CComQIPtr <IConnectionPoint> pConPoint(m_pBroadcastEventService); if (pConPoint) pConPoint->Unadvise (m_dwEventCookie); m_pBroadcastEventService.Release (); }
IBroadcastEvent* pEvent = NULL; //register for events
hr = CBDAMiscellaneous::RegisterForEvents ( m_ppUnk[0], static_cast<IBroadcastEvent*>(this), &pEvent, m_dwEventCookie ); if (SUCCEEDED (hr)) m_pBroadcastEventService.Attach (pEvent);
m_pTuner = m_ppUnk[0]; if (!m_pTuner) return E_FAIL; //make sure the tree is initialized
RefreshFromNP (); RefreshControls (); return S_OK; } STDMETHOD(Apply)(void) { //ATLTRACE(_T("CNP_CommonPage::Apply\n"));
for (UINT i = 0; i < m_nObjects; i++) { // Do something interesting here
} m_bDirty = FALSE; return S_OK; }
void SendError ( TCHAR* szMessage, HRESULT hrErrorCode ) { TCHAR szText[MAX_PATH]; m_lastHRESULT = hrErrorCode; wsprintf (szText, _T("%ld - When...%s"), m_lastHRESULT, szMessage); SetDlgItemText (IDC_STATIC_HRESULT, szText); //now flash the graphedit window so,
//the user will notice he's in trouble
//we used to flash the window so the user will notice that smtg is wrong
//but it turned out that the user is actually confused with this
/*FLASHWINFO flashInfo;
flashInfo.cbSize = sizeof (FLASHWINFO); flashInfo.hwnd = ::GetParent (::GetParent (::GetParent(m_hWnd))); flashInfo.dwFlags = FLASHW_ALL; flashInfo.uCount = 3;//3 times
flashInfo.dwTimeout = 500;//half of second
FlashWindowEx (&flashInfo);*/ }
HRESULT PutTuningSpace ( ITuningSpace* pTuneSpace ) { ASSERT (m_pTuner); return m_pTuner->put_TuningSpace (pTuneSpace); } private: //======================================================================
// Will query the NP filter and set all controls according to its props
//
//
//======================================================================
HRESULT RefreshFromNP () { if (!m_pTuner) return E_FAIL;
return m_treeWinControl.RefreshTree (m_pTuner); }
void RefreshControls () { //now set all controls according to what found
TCHAR szText[MAX_PATH]; HRESULT hr = m_pTuner->get_SignalStrength (&m_lSignalStrength); if (FAILED (hr)) { //We got an error
SendError (_T("Calling IScanningTuner::get_SignalStrength"), hr); //BUGBUG - add a special case for error
return; } wsprintf (szText, _T("%ld"), m_lSignalStrength); SetDlgItemText (IDC_STATIC_SIGNAL_STRENGTH, szText); SendError (_T(""), m_lastHRESULT); } //
private: //member variables
//couple interfaces we need from NP
CComQIPtr <IScanningTuner> m_pTuner; CComQIPtr <IMediaEventEx> m_pEventInterface; CComPtr <IBroadcastEvent> m_pBroadcastEventService; DWORD m_dwEventCookie; static UINT m_NotifyMessage;
CTreeWin m_treeWinControl; CLastErrorWin m_lastErrorControl; HRESULT m_lastHRESULT; LONG m_lSignalStrength;
HWND GetSafeTreeHWND (); HWND GetSafeLastErrorHWND ();
LRESULT OnClickedButton_seek_up(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled) { if (!m_pTuner) return E_FAIL; m_pTuner->SeekUp (); return 0; } LRESULT OnClickedButton_seek_down(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled) { if (!m_pTuner) return E_FAIL; m_pTuner->SeekDown (); return 0; } LRESULT OnClickedButton_auto_program(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled) { if (!m_pTuner) return E_FAIL; m_pTuner->AutoProgram (); return 0; } LRESULT OnInitDialog(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) { m_treeWinControl.SubclassWindow (GetSafeTreeHWND ()); m_lastErrorControl.SubclassWindow (GetSafeLastErrorHWND ()); //RefreshControls ();
return 0; }
//received notifications from Network Provider
LRESULT OnDShowNotify(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled) { RefreshFromNP (); RefreshControls (); return 0; } LRESULT OnClickedButton_scan_down(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled) { //scan for 1000 miliseconds
m_pTuner->ScanDown (1000); return 0; } LRESULT OnClickedButton_scan_up(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled) { //scan for 1000 miliseconds
m_pTuner->ScanUp (1000); return 0; } LRESULT OnClickedButton_submit_locator(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled) { m_treeWinControl.SubmitCurrentLocator (); return 0; }
STDMETHOD(Fire)(GUID EventID) {#ifdef DEBUG
TCHAR szInfo[MAX_PATH]; CComBSTR bstrEventID; USES_CONVERSION; StringFromCLSID (EventID, &bstrEventID); wsprintf (szInfo, _T("Notification received for %s"), OLE2T (bstrEventID)); ATLTRACE (szInfo);#endif
if (EventID == EVENTID_SignalStatusChanged) { ATLTRACE ("Starting to refresh"); RefreshControls (); } return S_OK; }
virtual void OnFinalMessage( HWND hWnd ) { if (m_pBroadcastEventService) { CComQIPtr <IConnectionPoint> pConPoint(m_pBroadcastEventService); pConPoint->Unadvise (m_dwEventCookie); } }};
#endif //__NP_COMMONPAGE_H_
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