windows-server-2003/admin/activec/samples/sdksamples/complete/comp.cpp

//==============================================================;
//
//  This source code is only intended as a supplement to existing Microsoft documentation.
//
//
//
//
//  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.
//
//  Copyright (C) 1999 Microsoft Corporation.  All Rights Reserved.
//
//
//
//==============================================================;

#include "Comp.h"
#include "DataObj.h"
#include <commctrl.h>        // Needed for button styles...
#include <crtdbg.h>
#include "resource.h"
#include "DeleBase.h"
#include "CompData.h"
#include "globals.h"


#define ARRAYLEN(x) (sizeof(x) / sizeof((x)[0]))

CComponent::CComponent(CComponentData *parent)
: m_pComponentData(parent), m_cref(0), m_ipConsole(NULL)
{
    OBJECT_CREATED
    m_ipControlBar  = NULL;
    m_ipToolbar     = NULL;
}

CComponent::~CComponent()
{
    OBJECT_DESTROYED
}

STDMETHODIMP CComponent::QueryInterface(REFIID riid, LPVOID *ppv)
{
    if (!ppv)
        return E_FAIL;

    *ppv = NULL;

    if (IsEqualIID(riid, IID_IUnknown))
        *ppv = static_cast<IComponent *>(this);
    else if (IsEqualIID(riid, IID_IComponent))
        *ppv = static_cast<IComponent *>(this);

    // first things first, make sure that when MMC
    // asks if we do property sheets, that we actually
    // say "yes"
    else if (IsEqualIID(riid, IID_IExtendPropertySheet))
        *ppv = static_cast<IExtendPropertySheet2 *>(this);
    else if (IsEqualIID(riid, IID_IExtendPropertySheet2))
        *ppv = static_cast<IExtendPropertySheet2 *>(this);
    else if (IsEqualIID(riid, IID_IExtendControlbar))
        *ppv = static_cast<IExtendControlbar *>(this);

    if (*ppv)
    {
        reinterpret_cast<IUnknown *>(*ppv)->AddRef();
        return S_OK;
    }

    return E_NOINTERFACE;
}

STDMETHODIMP_(ULONG) CComponent::AddRef()
{
    return InterlockedIncrement((LONG *)&m_cref);
}

STDMETHODIMP_(ULONG) CComponent::Release()
{
    if (InterlockedDecrement((LONG *)&m_cref) == 0)
    {
        delete this;
        return 0;
    }
    return m_cref;

}

///////////////////////////////
// Interface IComponent
///////////////////////////////
STDMETHODIMP CComponent::Initialize(
                                    /* [in] */ LPCONSOLE lpConsole)
{
    HRESULT hr = S_OK;

    // Save away all the interfaces we'll need.
    // Fail if we can't QI the required interfaces.

    m_ipConsole = lpConsole;
    m_ipConsole->AddRef();

    return hr;
}

STDMETHODIMP CComponent::Notify(
                                /* [in] */ LPDATAOBJECT lpDataObject,
                                /* [in] */ MMC_NOTIFY_TYPE event,
                                /* [in] */ LPARAM arg,
                                /* [in] */ LPARAM param)
{
    MMCN_Crack(FALSE, lpDataObject, NULL, this, event, arg, param);

    HRESULT hr = S_FALSE;
    CDelegationBase *base = NULL;

    // we need to watch for property change and delegate it
    // a little differently, we're actually going to send
    // the CDelegationBase object pointer in the property page
    // PSN_APPLY handler via MMCPropPageNotify()
    if (MMCN_PROPERTY_CHANGE != event && MMCN_VIEW_CHANGE != event) {
        if (NULL == lpDataObject)
            return S_FALSE;

        base = GetOurDataObject(lpDataObject)->GetBaseNodeObject();

    } else if (MMCN_PROPERTY_CHANGE == event) {
        base = (CDelegationBase *)param;
    }


	// MMCN_VIEW_CHANGE

	static CDelegationBase *pLastPasteQuery = NULL;

	if (MMCN_VIEW_CHANGE == event) {	

		switch (param) {//arg holds the data. For a scope item, this is the
						//item's myhscopeitem. For a result item, this is
						//the item's nId value, but we don't use it

						//param holds the hint passed to IConsole::UpdateAllViews.
					    //hint is a value of the UPDATE_VIEWS_HINT enumeration
		
		case UPDATE_SCOPEITEM:
			hr = m_ipConsole->SelectScopeItem( (HSCOPEITEM)arg );
			_ASSERT( S_OK == hr);
			break;
		case UPDATE_RESULTITEM:
			base = GetOurDataObject(lpDataObject)->GetBaseNodeObject();
			hr = base->OnUpdateItem(m_ipConsole, (long)arg, RESULT);
			break;
		}

		return S_OK;
	}


	//The remaining notifications

    switch (event)      {
    case MMCN_SHOW:
        hr = base->OnShow(m_ipConsole, (BOOL)arg, (HSCOPEITEM)param);
        break;

    case MMCN_ADD_IMAGES:
        hr = base->OnAddImages((IImageList *)arg, (HSCOPEITEM)param);
        break;

    case MMCN_SELECT:
        hr = base->OnSelect(this, m_ipConsole, (BOOL)LOWORD(arg), (BOOL)HIWORD(arg));
        break;

    case MMCN_RENAME:
        hr = base->OnRename((LPOLESTR)param);

		//Now call IConsole::UpdateAllViews to redraw the item in all views.
		hr = m_pComponentData->m_ipConsole->UpdateAllViews(lpDataObject, 0, UPDATE_RESULTITEM);
		_ASSERT( S_OK == hr);		
		break;

	case MMCN_REFRESH:
		//we pass CComponentData's stored IConsole pointer here,
		//so that the IConsole::UpdateAllViews can be called in OnRefresh
		hr = base->OnRefresh(m_pComponentData->m_ipConsole);
		break;

	case MMCN_DELETE: {		
		//first delete the selected result item
		hr = base->OnDelete(m_ipConsole);

		//Now call IConsole::UpdateAllViews to redraw all views
		//owned by the parent scope item. OnRefresh already does
		//this for us, so use it.
		hr = base->OnRefresh(m_pComponentData->m_ipConsole);
		break;
	}

    // handle the property change notification if we need to do anything
    // special with it
    case MMCN_PROPERTY_CHANGE:
		//we pass CComponentData's stored IConsole pointer here,
		//so that the IConsole::UpdateAllViews can be called in OnPropertyChange
        hr = base->OnPropertyChange(m_pComponentData->m_ipConsole, this);
        break;
    }

    return hr;
}

STDMETHODIMP CComponent::Destroy(
                                 /* [in] */ MMC_COOKIE cookie)
{
    if (m_ipConsole) {
        m_ipConsole->Release();
        m_ipConsole = NULL;
    }

    return S_OK;
}


STDMETHODIMP CComponent::QueryDataObject(
                                         /* [in] */ MMC_COOKIE cookie,
                                         /* [in] */ DATA_OBJECT_TYPES type,
                                         /* [out] */ LPDATAOBJECT __RPC_FAR *ppDataObject)
{
    CDataObject *pObj = NULL;

    if (cookie == 0)
        pObj = new CDataObject((MMC_COOKIE)m_pComponentData->m_pStaticNode, type);
    else
        pObj = new CDataObject(cookie, type);

    if (!pObj)
        return E_OUTOFMEMORY;

    pObj->QueryInterface(IID_IDataObject, (void **)ppDataObject);

    return S_OK;
}

STDMETHODIMP CComponent::GetResultViewType(
                                           /* [in] */ MMC_COOKIE cookie,
                                           /* [out] */ LPOLESTR __RPC_FAR *ppViewType,
                                           /* [out] */ long __RPC_FAR *pViewOptions)
{
    CDelegationBase *base = (CDelegationBase *)cookie;

    //
    // Ask for default listview.
    //
    if (base == NULL)
    {
        *pViewOptions = MMC_VIEW_OPTIONS_NONE;
        *ppViewType = NULL;
    }
    else
        return base->GetResultViewType(ppViewType, pViewOptions);

    return S_OK;
}

STDMETHODIMP CComponent::GetDisplayInfo(
                                        /* [out][in] */ RESULTDATAITEM __RPC_FAR *pResultDataItem)
{
    HRESULT hr = S_OK;
    CDelegationBase *base = NULL;

    // if they are asking for the RDI_STR we have one of those to give

    if (pResultDataItem->lParam) {
        base = (CDelegationBase *)pResultDataItem->lParam;
        if (pResultDataItem->mask & RDI_STR) {
                        LPCTSTR pszT = base->GetDisplayName(pResultDataItem->nCol);
                        MAKE_WIDEPTR_FROMTSTR_ALLOC(pszW, pszT);
            pResultDataItem->str = pszW;
        }

        if (pResultDataItem->mask & RDI_IMAGE) {
            pResultDataItem->nImage = base->GetBitmapIndex();
        }
    }

    return hr;
}


STDMETHODIMP CComponent::CompareObjects(
                                        /* [in] */ LPDATAOBJECT lpDataObjectA,
                                        /* [in] */ LPDATAOBJECT lpDataObjectB)
{
    CDelegationBase *baseA = GetOurDataObject(lpDataObjectA)->GetBaseNodeObject();
    CDelegationBase *baseB = GetOurDataObject(lpDataObjectB)->GetBaseNodeObject();

    // compare the object pointers
    if (baseA->GetCookie() == baseB->GetCookie())
        return S_OK;

    return S_FALSE;
}

///////////////////////////////////
// Interface IExtendPropertySheet2
///////////////////////////////////
HRESULT CComponent::CreatePropertyPages(
                                        /* [in] */ LPPROPERTYSHEETCALLBACK lpProvider,
                                        /* [in] */ LONG_PTR handle,
                                        /* [in] */ LPDATAOBJECT lpIDataObject)
{
    CDelegationBase *base = GetOurDataObject(lpIDataObject)->GetBaseNodeObject();

    return base->CreatePropertyPages(lpProvider, handle);
}

HRESULT CComponent::QueryPagesFor(
                                  /* [in] */ LPDATAOBJECT lpDataObject)
{
    CDelegationBase *base = GetOurDataObject(lpDataObject)->GetBaseNodeObject();

    return base->HasPropertySheets();
}

HRESULT CComponent::GetWatermarks(
                                  /* [in] */ LPDATAOBJECT lpIDataObject,
                                  /* [out] */ HBITMAP __RPC_FAR *lphWatermark,
                                  /* [out] */ HBITMAP __RPC_FAR *lphHeader,
                                  /* [out] */ HPALETTE __RPC_FAR *lphPalette,
                                  /* [out] */ BOOL __RPC_FAR *bStretch)
{
    CDelegationBase *base = GetOurDataObject(lpIDataObject)->GetBaseNodeObject();

    return base->GetWatermarks(lphWatermark, lphHeader, lphPalette, bStretch);
}

///////////////////////////////
// Interface IExtendControlBar
///////////////////////////////
static MMCBUTTON SnapinButtons1[] =
{
    { 0, ID_BUTTONSTART, TBSTATE_ENABLED, TBSTYLE_GROUP, L"Start Vehicle", L"Start Vehicle" },
    { 1, ID_BUTTONPAUSE, TBSTATE_ENABLED, TBSTYLE_GROUP, L"Pause Vehicle", L"Pause Vehicle"},
    { 2, ID_BUTTONSTOP,  TBSTATE_ENABLED, TBSTYLE_GROUP, L"Stop Vehicle",  L"Stop Vehicle" },
};

HRESULT CComponent::SetControlbar(
                                  /* [in] */ LPCONTROLBAR pControlbar)
{
    HRESULT hr = S_OK;

    //
    //  Clean up
    //

    // if we've got a cached toolbar, release it
    if (m_ipToolbar) {
        m_ipToolbar->Release();
        m_ipToolbar = NULL;
    }

    // if we've got a cached control bar, release it
    if (m_ipControlBar) {
        m_ipControlBar->Release();
        m_ipControlBar = NULL;
    }


    //
    // Install new pieces if necessary
    //

    // if a new one came in, cache and AddRef
    if (pControlbar) {
        m_ipControlBar = pControlbar;
        m_ipControlBar->AddRef();

        hr = m_ipControlBar->Create(TOOLBAR,  // type of control to be created
            dynamic_cast<IExtendControlbar *>(this),
            reinterpret_cast<IUnknown **>(&m_ipToolbar));
        _ASSERT(SUCCEEDED(hr));

        // The IControlbar::Create AddRefs the toolbar object it created
        // so no need to do any addref on the interface.

        // add the bitmap to the toolbar
        HBITMAP hbmp = LoadBitmap(g_hinst, MAKEINTRESOURCE(IDR_TOOLBAR1));
        hr = m_ipToolbar->AddBitmap(3, hbmp, 16, 16, RGB(0, 128, 128)); // NOTE, hardcoded value 3
        _ASSERT(SUCCEEDED(hr));

        // Add the buttons to the toolbar
        hr = m_ipToolbar->AddButtons(ARRAYLEN(SnapinButtons1), SnapinButtons1);
        _ASSERT(SUCCEEDED(hr));
    }

    return hr;
}

HRESULT CComponent::ControlbarNotify(
                                     /* [in] */ MMC_NOTIFY_TYPE event,
                                     /* [in] */ LPARAM arg,
                                     /* [in] */ LPARAM param)
{
    HRESULT hr = S_OK;

    if (event == MMCN_SELECT) {
        BOOL bScope = (BOOL) LOWORD(arg);
        BOOL bSelect = (BOOL) HIWORD(arg);

        CDelegationBase *base = GetOurDataObject(reinterpret_cast<IDataObject *>(param))->GetBaseNodeObject();
        hr = base->OnSetToolbar(m_ipControlBar, m_ipToolbar, bScope, bSelect);
    } 
	
	else if (event == MMCN_BTN_CLICK) {
        CDelegationBase *base = GetOurDataObject(reinterpret_cast<IDataObject *>(arg))->GetBaseNodeObject();
        hr = base->OnToolbarCommand(m_pComponentData->m_ipConsole, (MMC_CONSOLE_VERB)param, reinterpret_cast<IDataObject *>(arg));
    }

    return hr;
}