Source code of Windows XP (NT5)
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//==============================================================;
//
// 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 "globals.h"
#include "resource.h"
#include "DeleBase.h"
#include "CompData.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_ipDisplayHelp = NULL;
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);
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();
hr = m_ipConsole->QueryInterface(IID_IDisplayHelp, (void **)&m_ipDisplayHelp);
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;
//Get our data object. If it is NULL, we return with S_FALSE.
//See implementation of GetOurDataObject() to see how to
//handle special data objects.
CDataObject *pDataObject = GetOurDataObject(lpDataObject);
if (NULL == pDataObject)
return S_FALSE;
CDelegationBase *base = pDataObject->GetBaseNodeObject();
switch (event) {
case MMCN_ADD_IMAGES:
hr = base->OnAddImages((IImageList *)arg, (HSCOPEITEM)param);
break;
case MMCN_SELECT:
// We do not set any standard verbs now.
break;
case MMCN_SHOW:
hr = base->OnShow(m_ipConsole, (BOOL)arg, (HSCOPEITEM)param);
break;
case MMCN_CONTEXTHELP:
hr = base->OnShowContextHelp(m_ipDisplayHelp, m_pComponentData->m_HelpFile);
break;
}
return hr;
}
STDMETHODIMP CComponent::Destroy(
/* [in] */ MMC_COOKIE cookie)
{
if (m_ipConsole) {
m_ipConsole->Release();
m_ipConsole = NULL;
}
if (m_ipDisplayHelp) {
m_ipDisplayHelp->Release();
m_ipDisplayHelp = NULL;
}
if (m_ipToolbar) {
m_ipToolbar->Release();
m_ipToolbar = NULL;
}
if (m_ipControlBar) {
m_ipControlBar->Release();
m_ipControlBar = 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 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(this, m_ipControlBar, m_ipToolbar, bScope, bSelect);
} else if (event == MMCN_BTN_CLICK) {
CDelegationBase *base = GetOurDataObject(reinterpret_cast<IDataObject *>(arg))->GetBaseNodeObject();
hr = base->OnToolbarCommand(this, m_ipConsole, (MMC_CONSOLE_VERB)param);
}
return hr;
}