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// DropURL.cpp : implementation file
//
#include "stdafx.h"
#include "Dipstick.h"
#include "DropURL.h"
#include "DragPad.h"
#include "Dipstick.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CDropURL
IMPLEMENT_DYNCREATE(CDropURL, CCmdTarget)
CDropURL::CDropURL()
: m_Pad(NULL)
{
}
CDropURL::~CDropURL()
{
}
BEGIN_MESSAGE_MAP(CDropURL, CCmdTarget)
//{{AFX_MSG_MAP(CDropURL)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
BEGIN_INTERFACE_MAP(CDropURL, CCmdTarget)
INTERFACE_PART(CDropURL, IID_IDropTarget, DDropTarget)
END_INTERFACE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDropURL message handlers
STDMETHODIMP_(ULONG) CDropURL::XDDropTarget::AddRef()
{
METHOD_PROLOGUE(CDropURL, DDropTarget)
return pThis->ExternalAddRef();
}
STDMETHODIMP_(ULONG) CDropURL::XDDropTarget::Release()
{
METHOD_PROLOGUE(CDropURL, DDropTarget)
return pThis->ExternalRelease();
}
STDMETHODIMP_(HRESULT) CDropURL::XDDropTarget::QueryInterface(REFIID iid,void FAR* FAR * ppvObj)
{
METHOD_PROLOGUE(CDropURL, DDropTarget)
return pThis->ExternalQueryInterface(&iid,ppvObj);
}
STDMETHODIMP_(HRESULT) CDropURL::XDDropTarget::DragEnter(IDataObject *pDataObject,DWORD grfKeyState,POINTL pt,DWORD *pdwEffect)
{
METHOD_PROLOGUE(CDropURL, DDropTarget)
TRACE0("DragEnter\n");
return pThis->DragEnter(pDataObject,grfKeyState,pt,pdwEffect);
}
STDMETHODIMP_(HRESULT) CDropURL::XDDropTarget::DragOver(DWORD grfKeyState,POINTL pt,DWORD *pdwEffect)
{
METHOD_PROLOGUE(CDropURL, DDropTarget)
return S_OK;
}
STDMETHODIMP_(HRESULT) CDropURL::XDDropTarget::DragLeave(void)
{
METHOD_PROLOGUE(CDropURL, DDropTarget)
TRACE0("DragLeave\n");
return S_OK;
}
STDMETHODIMP_(HRESULT) CDropURL::XDDropTarget::Drop(IDataObject *pDataObject,DWORD grfKeyState,POINTL pt,DWORD *pdwEffect)
{
METHOD_PROLOGUE(CDropURL, DDropTarget)
TRACE0("Drop\n");
return pThis->Drop(pDataObject,grfKeyState,pt,pdwEffect);
}
HRESULT CDropURL::DragEnter(IDataObject *pDataObject,DWORD grfKeyState,POINTL pt,DWORD *pdwEffect)
{
CString host = GetHostName(pDataObject);
if(host.IsEmpty()){
(*pdwEffect)=DROPEFFECT_NONE;
return S_FALSE;
}else{
(*pdwEffect)=DROPEFFECT_LINK;
return S_OK;
}
}
CString CDropURL::GetHostName(IDataObject *pDataObject,CString *_url)
{
FORMATETC fetc;
fetc.cfFormat=CF_TEXT;
fetc.ptd=NULL;
fetc.dwAspect=DVASPECT_CONTENT;
fetc.lindex=-1;
fetc.tymed=TYMED_HGLOBAL;
STGMEDIUM stgm;
LPVOID globe = NULL;
CString url;
CString rv;
stgm.pUnkForRelease=NULL;
do{
if(pDataObject->GetData(&fetc,&stgm)!=S_OK)
break;
ASSERT(stgm.tymed==TYMED_HGLOBAL);
if(GlobalSize(stgm.hGlobal)>=1024)
break;
VERIFY(globe=GlobalLock(stgm.hGlobal));
url=(LPTSTR)globe;
TRACE0("["+url+"]\n");
if(_url)
(*_url) = url;
rv = m_Pad->m_Daddy->GetHostName(url);
}while(FALSE);
if(globe)
GlobalUnlock(stgm.hGlobal);
if(stgm.pUnkForRelease)
stgm.pUnkForRelease->Release();
return rv;
}
HRESULT CDropURL::Drop(IDataObject *pDataObject,DWORD grfKeyState,POINTL pt,DWORD *pwdEffect)
{
CString url;
CString host = GetHostName(pDataObject,&url);
if(host.IsEmpty())
return S_FALSE;
#ifdef TRUE
// URL Mode
CString *u = new CString(url);
m_Pad->m_Daddy->PostMessage(WM_DNP_URLPING,0,(LPARAM)u);
#else
CString *hn = new CString(host);
m_Pad->m_Daddy->PostMessage(WM_DNP_HOSTPING,0,(LPARAM)hn);
#endif
return S_OK;
}
void CDropURL::OnFinalRelease()
{
TRACE0("Final Release\n");
CCmdTarget::OnFinalRelease();
}
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