windows-xp/Source/XPSP1/NT/com/oleutest/simpsvr/doc.cpp

//**********************************************************************
// File name: DOC.CPP
//
//      Implementation file for CSimpSvrDoc.
//
// Functions:
//
//      See DOC.H for Class Definition
//
// Copyright (c) 1993 Microsoft Corporation. All rights reserved.
//**********************************************************************

#include "pre.h"
#include "obj.h"
#include "app.h"
#include "doc.h"

//**********************************************************************
//
// CSimpSvrDoc::Create
//
// Purpose:
//
//      Creation for the CSimpSvrDoc Class
//
// Parameters:
//
//      CSimpSvrApp FAR * lpApp  -   Pointer to the CSimpSvrApp Class
//
//      LPRECT lpRect           -   Client area rect of "frame" window
//
//      HWND hWnd               -   Window Handle of "frame" window
//
// Return Value:
//
//      None
//
// Function Calls:
//      Function                    Location
//
//      StgCreateDocfile            OLE API
//      CreateWindow                Windows API
//      ShowWindow                  Windows API
//      UpdateWindow                Windows API
//      CSimpSvrDoc::CSimpSvrDoc    DOC.CPP
//      CreateHatchWindow           OLE2UI
//
// Comments:
//
//      This routine was added so that failure could be returned
//      from object creation.
//
//********************************************************************

CSimpSvrDoc FAR * CSimpSvrDoc::Create(CSimpSvrApp FAR *lpApp, LPRECT lpRect,HWND hWnd)
{
    CSimpSvrDoc FAR * lpTemp = new CSimpSvrDoc(lpApp, hWnd);

    if (!lpTemp)
        return NULL;

    // create the document Window
    lpTemp->m_hDocWnd = CreateWindow(
            TEXT("DocWClass"),
            NULL,
            WS_CHILD | WS_CLIPSIBLINGS,
            lpRect->left,
            lpRect->top,
            lpRect->right,
            lpRect->bottom,
            hWnd,
            NULL,
            lpApp->GethInst(),
            NULL);

    if (!lpTemp->m_hDocWnd)
        goto error;

    lpTemp->ShowDocWnd();

    lpTemp->m_hHatchWnd = CreateHatchWindow( lpTemp->m_hDocWnd, lpApp->GethInst());

    lpTemp->HideHatchWnd();

    return (lpTemp);

error:
    delete (lpTemp);
    return NULL;

}

//**********************************************************************
//
// CSimpSvrDoc::CSimpSvrDoc
//
// Purpose:
//
//      Constructor for the CSimpSvrDoc Class
//
// Parameters:
//
//      CSimpSvrApp FAR * lpApp  -   Pointer to the CSimpSvrApp Class
//
//      HWND hWnd               -   Window Handle of "frame" window
//
// Return Value:
//
//      None
//
// Function Calls:
//      Function                    Location
//
//      TestDebugOut           Windows API
//      GetMenu                     Windows API
//      GetSubMenu                  Windows API
//
// Comments:
//
//********************************************************************

CSimpSvrDoc::CSimpSvrDoc(CSimpSvrApp FAR * lpApp,HWND hWnd)
{
    TestDebugOut(TEXT("In CSimpSvrDoc's Constructor\r\n"));
    m_lpApp = lpApp;
    m_nCount = 0;
    m_lpObj = NULL;

    // set up menu handles
    m_hMainMenu = GetMenu(hWnd);
    m_hColorMenu = GetSubMenu(m_hMainMenu, 1);
    m_hHelpMenu = GetSubMenu(m_hMainMenu, 2);


}

//**********************************************************************
//
// CSimpSvrDoc::~CSimpSvrDoc
//
// Purpose:
//
//      Destructor for CSimpSvrDoc
//
// Parameters:
//
//      None
//
// Return Value:
//
//      None
//
// Function Calls:
//      Function                    Location
//
//      TestDebugOut           Windows API
//      DestroyWindow               Windows API
//      CSimpSvrApp::ClearDoc       APP.CPP
//
// Comments:
//
//********************************************************************

CSimpSvrDoc::~CSimpSvrDoc()
{
    TestDebugOut(TEXT("In CSimpSvrDoc's Destructor\r\n"));

    // Clear the Doc object pointer so that the SimpSvrApp won't be able
    // to access invalid objects. (same for the SimpSvrObj)
    if (m_lpApp)
       m_lpApp->ClearDoc();

    if (m_lpObj)
       m_lpObj->ClearDoc();

    DestroyWindow(m_hHatchWnd);
    DestroyWindow(m_hDocWnd);
}


//**********************************************************************
//
// CSimpSvrDoc::QueryInterface
//
// Purpose:
//
//      Return a pointer to a requested interface
//
// Parameters:
//
//      REFIID riid         -   ID of interface to be returned
//      LPVOID FAR* ppvObj  -   Location to return the interface
//
// Return Value:
//
//      E_NOINTERFACE -   Always
//
// Function Calls:
//      Function                    Location
//
//      TestDebugOut           Windows API
//      CSimpSvrApp::QueryInterface APP.CPP
//
// Comments:
//
//      Since the document could contain multiple objects, all
//      interfaces except those associated with the document should
//      be returned.  In this implementation, there are no doc level
//      interfaces.
//
//********************************************************************

STDMETHODIMP CSimpSvrDoc::QueryInterface(REFIID riid, LPVOID FAR* ppvObj)
{
    TestDebugOut(TEXT("In CSimpSvrDoc::QueryInterface\r\n"));

    SCODE sc = E_NOINTERFACE;

    if (IsEqualIID(riid, IID_IUnknown))
       {
       AddRef();
       *ppvObj = this;
       sc = S_OK;
       }

    return ResultFromScode(sc);
}

//**********************************************************************
//
// CSimpSvrDoc::AddRef
//
// Purpose:
//
//      Increments the document level reference count
//
// Parameters:
//
//      None
//
// Return Value:
//
//      UINT    -   The current reference count on the document
//
// Function Calls:
//      Function                    Location
//
//      TestDebugOut           Windows API
//      CSimpSvrApp::AddRef         APP.CPP
//
// Comments:
//
//      The reference count at this level reflects the total ref.
//      count of all interfaces on all objects contained within
//      this document.  Note that it also "trickles up" the
//      ref count to the app level.
//
//********************************************************************

STDMETHODIMP_(ULONG) CSimpSvrDoc::AddRef()
{
    TestDebugOut(TEXT("In CSimpSvrDoc::AddRef\r\n"));
    // AddRef the app, but return the doc count
    m_lpApp->AddRef();

    return ++m_nCount;
}

//**********************************************************************
//
// CSimpSvrDoc::Release
//
// Purpose:
//
//      Decrements the document level reference count
//
// Parameters:
//
//      None
//
// Return Value:
//
//      UINT    -   The current reference count on the document
//
// Function Calls:
//      Function                    Location
//
//      TestDebugOut           Windows API
//      CSimpSvrApp::Release         APP.CPP
//
// Comments:
//
//      The reference count at this level reflects the total ref.
//      count of all interfaces on all objects contained within
//      this document.  Note that it also "trickles up" the
//      ref count to the app level.
//
//********************************************************************

STDMETHODIMP_(ULONG) CSimpSvrDoc::Release()
{
    TestDebugOut(TEXT("In CSimpSvrDoc::Release\r\n"));
    // Release the app, but return the app count
    m_lpApp->Release();

    if (--m_nCount== 0)
    {
        delete this;
        return(0);
    }
    return m_nCount;
}

//**********************************************************************
//
// CSimpSvrDoc::lResizeDoc
//
// Purpose:
//
//      Resizes the document
//
// Parameters:
//
//      LPRECT lpRect   -   The size of the client are of the "frame"
//                          Window.
//
// Return Value:
//
//      NULL
//
// Function Calls:
//      Function                                Location
//
//      MoveWindow                              Windows API
//
//
//********************************************************************

long CSimpSvrDoc::lResizeDoc(LPRECT lpRect)
{
    MoveWindow(m_hDocWnd, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom, TRUE);
    return NULL;
}


//**********************************************************************
//
// CSimpSvrDoc::PaintDoc
//
// Purpose:
//
//      Paints the Document
//
// Parameters:
//
//      HDC hDC -   hDC of the document Window
//
// Return Value:
//
//      None
//
// Function Calls:
//      Function                    Location
//
//      CSimpSvrObj::Draw                   OBJ.CPP
//      CSimpSvrObj::GetDataAdviseHolder    OBJ.H
//      CSimpSvrObj::GetDataObject          OBJ.H
//      CSimpAppObj::IsStartedByOle         APP.CPP
//      IDataAdviseHolder::SendOnDataChange OLE API
//
//
//********************************************************************

void CSimpSvrDoc::PaintDoc (HDC hDC)
{

    // if the object hasn't been created yet, then don't draw
    if (m_lpObj)
        m_lpObj->Draw(hDC,FALSE);
    else
        return;

    // Sending a data change every time we paint, but only if we
    // were started by OLE
    if (m_lpApp->IsStartedByOle())
            m_lpObj->SendOnDataChange( );
}



//**********************************************************************
//
// CSimpSvrDoc::CreateObject
//
// Purpose:
//      Handles the creation of a SimpSvrObj.
//
// Parameters:
//
//
// Return Value:
//
//      S_OK if the function succeeds, otherwise E_FAIL
//
// Function Calls:
//      Function                    Location
//
//      CSimpSvrObj::CSimpSvrObj    OBJ.CPP
//      CSimpSvrOjb::QueryInterface OBJ.CPP
//
//
//********************************************************************

HRESULT CSimpSvrDoc::CreateObject(REFIID riid, LPVOID FAR *ppvObject)
{
    SCODE sc = E_FAIL;

    m_lpObj = new CSimpSvrObj(this);

    if (m_lpObj)
        {
        m_lpObj->QueryInterface(riid, ppvObject);
        sc = S_OK;
        }

    return ResultFromScode(sc);
}

//**********************************************************************
//
// CSimpSvrDoc::Close
//
// Purpose:
//
//      Closes the object
//
// Parameters:
//
//      None
//
// Return Value:
//
//      None
//
// Function Calls:
//      Function                                Location
//
//      TestDebugOut                       Windows API
//      CSimpSvrObj::AddRef                     OBJ.CPP
//      CSimpSvrObj::Release                    OBJ.CPP
//      CSimpSvrObj::IsInPlaceActive            OBJ.H
//      CSimpSvrObj::GetOleInPlaceObject        OBJ.H
//      CSimpSvrObj::ClearOleClientSite         OBJ.H
//      CSimpSvrObj::GetDataAdviseHolder        OBJ.H
//      CSimpSvrObj::GetOleClientSite           OBJ.H
//      CSimpSvrObj::ClearDataAdviseHolder      OBJ.H
//      CSimpSvrObj::GetOleAdviseHolder         OBJ.H
//      CSimpSvrObj::ClearOleAdviseHolder       OBJ.H
//      IOleInPlaceObject::InPlaceDeactivate    Container
//      IOleClientSite::SaveObject              Container
//      IOleClientSite::OnShowWindow            Container
//      IOleClientSite::Release                 Container
//      IDataAdviseHolder::SendOnDataChange     OLE
//      IDataAdviseHolder::Release              OLE
//      IOleAdviseHolder::SendOnClose           OLE
//      IOleAdviseHolder::Release               OLE
//
//
//********************************************************************

void CSimpSvrDoc::Close()
{
    TestDebugOut(TEXT("In CSimpSvrDoc::Close() \r\n"));

    m_lpObj->AddRef(); // hold object alive

    // if the object is currently inplace active, then deactivate
    if (m_lpObj->IsInPlaceActive())
        m_lpObj->GetOleInPlaceObject()->InPlaceDeactivate();

    // unregister from the ROT...
    if (m_lpObj->GetRotRegister())
        {
        LPRUNNINGOBJECTTABLE lpRot;

        if (GetRunningObjectTable (0, &lpRot) == NOERROR )
            {
            lpRot->Revoke(m_lpObj->GetRotRegister());
            lpRot->Release();
            }
        }

    // if we have a clientsite, instruct it to save the object
    if (m_lpObj->GetOleClientSite())
        {
        m_lpObj->GetOleClientSite()->SaveObject();
        m_lpObj->GetOleClientSite()->OnShowWindow(FALSE);
        }

    // Do a final SendOnDataChange for those containers that have specified the
    // ADF_DATAONSTOP flag.
    if (m_lpObj->GetDataAdviseHolder())
        {
        m_lpObj->GetDataAdviseHolder()->SendOnDataChange( m_lpObj->GetDataObject(), 0, ADVF_DATAONSTOP);
        }


    // Tell the container that we are shutting down.
    if (m_lpObj->GetOleAdviseHolder())
        {
        m_lpObj->GetOleAdviseHolder()->SendOnClose();
        }

    // release our streams and storage
    m_lpObj->GetPersistStorage()->ReleaseStreamsAndStorage();

    // Disconnect the object.  NOTE: This call should not do anything
    // unless the container has cause a GP Fault or some other problem
    // has occured...
    TestDebugOut(TEXT("*** Before CoDisconnectObject *** \r\n"));

    CoDisconnectObject((LPUNKNOWN)m_lpObj, 0);

    TestDebugOut(TEXT("*** After CoDisconnectObject *** \r\n"));

    m_lpObj->Release(); // let object close

}


//**********************************************************************
//
// CSimpSvrDoc::SetStatusText
//
// Purpose:
//
//      Sets the Container's status bar text
//
// Parameters:
//
//      None
//
// Return Value:
//
//      None
//
// Function Calls:
//      Function                        Location
//
//      CSimpSvrObj::IsInPlaceActive    OBJ.CPP
//      IOleInPlaceFrame::SetStatusText Container
//
// Comments:
//
//      Even though there is no status line in this sample, this
//      method must be called on WM_MENUSELECT to clear the last
//      message in the status line.
//
//********************************************************************

void CSimpSvrDoc::SetStatusText()
{
    if (m_lpObj->IsInPlaceActive())
        m_lpObj->GetInPlaceFrame()->SetStatusText(OLESTR("\0"));

}

//**********************************************************************
//
// CSimpSvrDoc::ShowDocWnd
//
// Purpose:
//
//      Shows the Document Window
//
// Parameters:
//
//      None
//
// Return Value:
//
//      None
//
// Function Calls:
//      Function                        Location
//
//      ShowWindow                      Windows API
//      UpdateWindow                    Windows API
//
// Comments:
//
//********************************************************************

void CSimpSvrDoc::ShowDocWnd()
{
    ShowWindow(m_hDocWnd, SW_SHOWNORMAL);  // Show the window
    UpdateWindow(m_hDocWnd);               // Sends WM_PAINT message
}

//**********************************************************************
//
// CSimpSvrDoc::ShowHatchWnd
//
// Purpose:
//
//      Shows the hatch Window
//
// Parameters:
//
//      None
//
// Return Value:
//
//      None
//
// Function Calls:
//      Function                        Location
//
//      ShowWindow                      Windows API
//
// Comments:
//
//********************************************************************

void CSimpSvrDoc::ShowHatchWnd()
{
    ShowWindow(m_hHatchWnd, SW_SHOW);
}

//**********************************************************************
//
// CSimpSvrDoc::HideDocWnd
//
// Purpose:
//
//      Hides the DocumentWindow
//
// Parameters:
//
//      None
//
// Return Value:
//
//      None
//
// Function Calls:
//      Function                        Location
//
//      ShowWindow                      Windows API
//
// Comments:
//
//********************************************************************

void CSimpSvrDoc::HideDocWnd()
{
    ShowWindow(m_hDocWnd, SW_HIDE);
}

//**********************************************************************
//
// CSimpSvrDoc::HideHatchWnd
//
// Purpose:
//
//      Hides the Hatch Window
//
// Parameters:
//
//      None
//
// Return Value:
//
//      None
//
// Function Calls:
//      Function                        Location
//
//      ShowWindow                      Windows API
//
// Comments:
//
//********************************************************************

void CSimpSvrDoc::HideHatchWnd()
{
    ShowWindow(m_hHatchWnd, SW_HIDE);
}