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Copy pathWebCtrlInterFace.cpp
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325 lines (275 loc) · 7.83 KB
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#include "StdAfx.h"
#include "WebCtrlInterFace.h"
CWebCtrlInterFace::CWebCtrlInterFace(void)
{
m_defaultClientSite = NULL;
m_defaultDocHostUIHandler = NULL;
m_cRef = 0;
}
CWebCtrlInterFace::~CWebCtrlInterFace(void)
{
//We release our default interfaces
this->SetDefaultClientSite(NULL);
}
VOID CWebCtrlInterFace::SetDefaultClientSite(IOleClientSite *pClientSite)
{
if (pClientSite != NULL)
{
pClientSite->AddRef();
m_defaultClientSite = pClientSite;
m_defaultClientSite->QueryInterface(IID_IDocHostUIHandler, (VOID **)&m_defaultDocHostUIHandler);
}
else
{
if (m_defaultClientSite != NULL)
{
m_defaultClientSite->Release();
m_defaultClientSite = NULL;
}
if (m_defaultDocHostUIHandler != NULL)
{
m_defaultDocHostUIHandler->Release();
m_defaultDocHostUIHandler = NULL;
}
}
}
// *** IUnknown ***
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::QueryInterface(REFIID riid, LPVOID *ppv)
{
HRESULT result = S_OK;
// Always set out parameter to NULL, validating it first
if (IsBadWritePtr(ppv, sizeof(LPVOID)))
result = E_INVALIDARG;
if (result == S_OK)
{
*ppv = NULL;
if ( IsEqualIID( riid, IID_IUnknown ) )
*ppv = this;
else if ( IsEqualIID( riid, IID_IOleClientSite ) )
*ppv = (IOleClientSite *) this;
else if ( IsEqualIID( riid, IID_IDocHostUIHandler ) )
*ppv = (IDocHostUIHandler *) this;
else
result = E_NOINTERFACE;
}
if (result == S_OK)
this->AddRef();
return result;
}
ULONG STDMETHODCALLTYPE CWebCtrlInterFace::AddRef()
{
InterlockedIncrement(&m_cRef);
return m_cRef;
}
ULONG STDMETHODCALLTYPE CWebCtrlInterFace::Release()
{
// Decrement the object's internal counter
ULONG ulRefCount = InterlockedDecrement(&m_cRef);
if (0 == m_cRef)
{
delete this;
}
return ulRefCount;
}
// *** IOleClientSite ***
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::SaveObject()
{
if (m_defaultClientSite != NULL)
return m_defaultClientSite->SaveObject();
else
return E_FAIL;
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::GetMoniker(DWORD dwAssign,
DWORD dwWhichMoniker, LPMONIKER *ppmk)
{
if (m_defaultClientSite != NULL)
return m_defaultClientSite->GetMoniker(dwAssign, dwWhichMoniker, ppmk);
else
{
if (! IsBadWritePtr(ppmk, sizeof(*ppmk)))
*ppmk = NULL;
return E_NOTIMPL;
}
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::GetContainer(LPOLECONTAINER *ppContainer)
{
if (m_defaultClientSite != NULL)
return m_defaultClientSite->GetContainer(ppContainer);
else
{
if (! IsBadWritePtr(ppContainer, sizeof(*ppContainer)))
*ppContainer = NULL;
return E_NOINTERFACE;
}
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::ShowObject()
{
if (m_defaultClientSite != NULL)
return m_defaultClientSite->ShowObject();
else
return S_OK;
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::OnShowWindow(BOOL fShow)
{
if (m_defaultClientSite != NULL)
return m_defaultClientSite->OnShowWindow(fShow);
else
return S_OK;
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::RequestNewObjectLayout()
{
if (m_defaultClientSite != NULL)
return m_defaultClientSite->RequestNewObjectLayout();
else
return E_NOTIMPL;
}
// *** IDocHostUIHandler ***
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::ShowContextMenu(DWORD dwID, POINT *ppt,
IUnknown *pcmdtReserved, IDispatch *pdispReserved)
{
if (m_defaultDocHostUIHandler != NULL)
return m_defaultDocHostUIHandler->ShowContextMenu(dwID, ppt, pcmdtReserved, pdispReserved);
else
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::GetHostInfo(DOCHOSTUIINFO *pInfo)
{
if (m_defaultDocHostUIHandler != NULL)
{
HRESULT hr = m_defaultDocHostUIHandler->GetHostInfo(pInfo);
pInfo->dwFlags = DOCHOSTUIFLAG_NO3DBORDER;
return S_OK;
}
else
{
pInfo->dwFlags = DOCHOSTUIFLAG_NO3DBORDER;
return S_OK;
}
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::ShowUI(DWORD dwID,
IOleInPlaceActiveObject *pActiveObject, IOleCommandTarget *pCommandTarget,
IOleInPlaceFrame *pFrame, IOleInPlaceUIWindow *pDoc)
{
if (m_defaultDocHostUIHandler != NULL)
return m_defaultDocHostUIHandler->ShowUI(dwID, pActiveObject,
pCommandTarget, pFrame, pDoc);
else
return S_FALSE;
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::HideUI()
{
if (m_defaultDocHostUIHandler != NULL)
return m_defaultDocHostUIHandler->HideUI();
else
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::UpdateUI()
{
if (m_defaultDocHostUIHandler != NULL)
return m_defaultDocHostUIHandler->UpdateUI();
else
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::EnableModeless(BOOL fEnable)
{
if (m_defaultDocHostUIHandler != NULL)
return m_defaultDocHostUIHandler->EnableModeless(fEnable);
else
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::OnDocWindowActivate(BOOL fActivate)
{
if (m_defaultDocHostUIHandler != NULL)
return m_defaultDocHostUIHandler->OnDocWindowActivate(fActivate);
else
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::OnFrameWindowActivate(BOOL fActivate)
{
if (m_defaultDocHostUIHandler != NULL)
return m_defaultDocHostUIHandler->OnFrameWindowActivate(fActivate);
else
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::ResizeBorder(LPCRECT prcBorder,
IOleInPlaceUIWindow __RPC_FAR *pUIWindow, BOOL fRameWindow)
{
if (m_defaultDocHostUIHandler != NULL)
return m_defaultDocHostUIHandler->ResizeBorder(prcBorder, pUIWindow, fRameWindow);
else
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::TranslateAccelerator(LPMSG lpMsg,
const GUID *pguidCmdGroup, DWORD nCmdID)
{
if (m_defaultDocHostUIHandler != NULL)
return m_defaultDocHostUIHandler->TranslateAccelerator(lpMsg, pguidCmdGroup, nCmdID);
else
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::GetOptionKeyPath(
LPOLESTR *pchKey, DWORD dw)
{
if (m_defaultDocHostUIHandler != NULL)
return m_defaultDocHostUIHandler->GetOptionKeyPath(pchKey, dw);
else
{
if (! IsBadWritePtr(pchKey, sizeof(*pchKey)))
*pchKey = NULL;
return E_NOTIMPL;
}
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::GetDropTarget(
IDropTarget *pDropTarget, IDropTarget **ppDropTarget)
{
if (m_defaultDocHostUIHandler != NULL)
{
HRESULT result = m_defaultDocHostUIHandler->GetDropTarget(pDropTarget, ppDropTarget);
//Returning S_FALSE seems to disable DragNDrop, while DragNDrop is by default on.
//Changing return code to E_FAIL seems to fix things.
if (result == S_FALSE)
result = E_FAIL;
return result;
}
else
{
if (! IsBadWritePtr(ppDropTarget, sizeof(*ppDropTarget)))
*ppDropTarget = NULL;
return E_NOTIMPL;
}
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::GetExternal(IDispatch **ppDispatch)
{
if (m_defaultDocHostUIHandler != NULL)
return m_defaultDocHostUIHandler->GetExternal(ppDispatch);
else
{
if (! IsBadWritePtr(ppDispatch, sizeof(*ppDispatch)))
*ppDispatch = NULL;
return E_NOTIMPL;
}
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::TranslateUrl(
DWORD dwTranslate, OLECHAR *pchURLIn, OLECHAR **ppchURLOut)
{
if (m_defaultDocHostUIHandler != NULL)
return m_defaultDocHostUIHandler->TranslateUrl(dwTranslate, pchURLIn, ppchURLOut);
else
{
if (! IsBadWritePtr(ppchURLOut, sizeof(*ppchURLOut)))
*ppchURLOut = NULL;
return S_FALSE;
}
}
HRESULT STDMETHODCALLTYPE CWebCtrlInterFace::FilterDataObject(
IDataObject *pDO, IDataObject **ppDORet)
{
if (m_defaultDocHostUIHandler != NULL)
return m_defaultDocHostUIHandler->FilterDataObject(pDO, ppDORet);
else
{
if (! IsBadWritePtr(ppDORet, sizeof(*ppDORet)))
*ppDORet = NULL;
return S_FALSE;
}
}