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"
CComponent::CComponent(CComponentData *parent)
: m_pComponentData(parent), m_cref(0), m_ipConsole(NULL), m_ipConsole2(NULL),
m_bTaskpadView(FALSE), m_bIsTaskpadPreferred(FALSE)
{
OBJECT_CREATED
}
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_IExtendTaskPad))
*ppv = static_cast<IExtendTaskPad *>(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_IConsole2,
reinterpret_cast<void**>(&m_ipConsole2));
_ASSERT( NULL != m_ipConsole2 );
hr = m_ipConsole2->IsTaskpadViewPreferred();
m_bIsTaskpadPreferred = (hr == S_OK) ? TRUE : FALSE;
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_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(m_ipConsole, (BOOL)LOWORD(arg), (BOOL)HIWORD(arg));
break;
case MMCN_RENAME:
hr = base->OnRename((LPOLESTR)param);
break;
case MMCN_LISTPAD:
hr = base->OnListpad(m_ipConsole, (BOOL)arg);
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 IComponent
///////////////////////////////
HRESULT CComponent::TaskNotify(
/* [in] */ IDataObject __RPC_FAR *pdo,
/* [in] */ VARIANT __RPC_FAR *arg,
/* [in] */ VARIANT __RPC_FAR *param)
{
CDelegationBase *base = GetOurDataObject(pdo)->GetBaseNodeObject();
return base->TaskNotify(m_ipConsole, arg, param);
}
HRESULT CComponent::EnumTasks(
/* [in] */ IDataObject __RPC_FAR *pdo,
/* [string][in] */ LPOLESTR szTaskGroup,
/* [out] */ IEnumTASK __RPC_FAR *__RPC_FAR *ppEnumTASK)
{
CDelegationBase *base = GetOurDataObject(pdo)->GetBaseNodeObject();
// GetTaskList will allocate the entire task structure, it's
// up to the enumerator to free the list when destroyed
LONG nCount;
MMC_TASK *tasks = base->GetTaskList(szTaskGroup, &nCount);
if (tasks != NULL) {
CEnumTASK *pTask = new CEnumTASK(tasks, nCount);
if (pTask) {
reinterpret_cast<IUnknown *>(pTask)->AddRef();
HRESULT hr = pTask->QueryInterface (IID_IEnumTASK, (void **)ppEnumTASK);
reinterpret_cast<IUnknown *>(pTask)->Release();
return hr;
}
}
return S_OK;
}
HRESULT CComponent::GetTitle(
/* [string][in] */ LPOLESTR pszGroup,
/* [string][out] */ LPOLESTR __RPC_FAR *pszTitle)
{
CDelegationBase *base = (CDelegationBase *)wcstoul(pszGroup, NULL, 16);
if (NULL == base)
return S_FALSE;
return base->GetTaskpadTitle(pszTitle);
}
HRESULT CComponent::GetDescriptiveText(
/* [string][in] */ LPOLESTR pszGroup,
/* [string][out] */ LPOLESTR __RPC_FAR *pszDescriptiveText)
{
CDelegationBase *base = (CDelegationBase *)wcstoul(pszGroup, NULL, 16);
if (NULL == base)
return S_FALSE;
return base->GetTaskpadDescription(pszDescriptiveText);
}
HRESULT CComponent::GetBackground(
/* [string][in] */ LPOLESTR pszGroup,
/* [out] */ MMC_TASK_DISPLAY_OBJECT __RPC_FAR *pTDO)
{
CDelegationBase *base = (CDelegationBase *)wcstoul(pszGroup, NULL, 16);
if (NULL == base)
return S_FALSE;
return base->GetTaskpadBackground(pTDO);
}
HRESULT CComponent::GetListPadInfo(
/* [string][in] */ LPOLESTR pszGroup,
/* [out] */ MMC_LISTPAD_INFO __RPC_FAR *lpListPadInfo)
{
CDelegationBase *base = (CDelegationBase *)wcstoul(pszGroup, NULL, 16);
if (NULL == base)
return S_FALSE;
return base->GetListpadInfo(lpListPadInfo);
}