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130 lines
3.1 KiB
130 lines
3.1 KiB
/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORPORATION
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*
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* TITLE: APDROPT.CPP
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*
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* VERSION: 1.0
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*
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* AUTHOR: ShaunIv
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*
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* DATE: 5/22/2001
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*
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* DESCRIPTION: Autoplay drop target
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*
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*******************************************************************************/
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#include "precomp.h"
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#pragma hdrstop
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#include "apdropt.h"
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#include "wiadefui.h"
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#include "runwiz.h"
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CWiaAutoPlayDropTarget::CWiaAutoPlayDropTarget()
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: m_cRef(1)
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{
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WIA_PUSHFUNCTION(TEXT("CWiaAutoPlayDropTarget::CWiaAutoPlayDropTarget"));
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DllAddRef();
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}
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CWiaAutoPlayDropTarget::~CWiaAutoPlayDropTarget()
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{
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WIA_PUSHFUNCTION(TEXT("CWiaAutoPlayDropTarget::~CWiaAutoPlayDropTarget"));
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DllRelease();
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}
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STDMETHODIMP_(ULONG) CWiaAutoPlayDropTarget::AddRef()
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{
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WIA_PUSHFUNCTION(TEXT("CWiaAutoPlayDropTarget::AddRef"));
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return InterlockedIncrement(&m_cRef);
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}
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STDMETHODIMP_(ULONG) CWiaAutoPlayDropTarget::Release()
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{
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WIA_PUSHFUNCTION(TEXT("CWiaAutoPlayDropTarget::Release"));
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LONG nRefCount = InterlockedDecrement(&m_cRef);
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if (!nRefCount)
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{
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delete this;
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}
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return nRefCount;
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}
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HRESULT CWiaAutoPlayDropTarget::QueryInterface( REFIID riid, void **ppvObject )
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{
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WIA_PUSHFUNCTION(TEXT("CWiaAutoPlayDropTarget::QueryInterface"));
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if (IsEqualIID( riid, IID_IUnknown ))
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{
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*ppvObject = static_cast<IDropTarget*>(this);
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}
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else if (IsEqualIID( riid, IID_IDropTarget ))
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{
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*ppvObject = static_cast<IDropTarget*>(this);
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}
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else
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{
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*ppvObject = NULL;
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return (E_NOINTERFACE);
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}
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reinterpret_cast<IUnknown*>(*ppvObject)->AddRef();
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return(S_OK);
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}
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HRESULT CWiaAutoPlayDropTarget::DragEnter(IDataObject *pdtobj, DWORD grfKeyState, POINTL ptl, DWORD *pdwEffect)
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{
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*pdwEffect = DROPEFFECT_COPY;
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return S_OK;
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}
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HRESULT CWiaAutoPlayDropTarget::DragOver(DWORD grfKeyState, POINTL ptl, DWORD *pdwEffect)
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{
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*pdwEffect = DROPEFFECT_COPY;
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return S_OK;
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}
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HRESULT CWiaAutoPlayDropTarget::DragLeave(void)
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{
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return S_OK;
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}
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HRESULT GetPathFromDataObject( IDataObject *pdtobj, LPTSTR pszPath, UINT cchPath )
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{
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FORMATETC fmte = { CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
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STGMEDIUM medium = {0};
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HRESULT hr = pdtobj->GetData(&fmte, &medium);
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if (SUCCEEDED(hr))
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{
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if (DragQueryFile((HDROP)medium.hGlobal, 0, pszPath, cchPath))
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hr = S_OK;
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else
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hr = E_FAIL;
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ReleaseStgMedium(&medium);
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}
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return hr;
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}
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//
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// Here’s the meat of the change
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//
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HRESULT CWiaAutoPlayDropTarget::Drop( IDataObject *pdtobj, DWORD grfKeyState, POINTL pt, DWORD *pdwEffect )
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{
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WCHAR szDrive[4] = {0};
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HRESULT hr = GetPathFromDataObject( pdtobj, szDrive, ARRAYSIZE(szDrive) );
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*pdwEffect = DROPEFFECT_COPY;
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if (SUCCEEDED(hr))
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{
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WIA_TRACE((TEXT("szDrive: %ws")));
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WCHAR szDeviceID[MAX_PATH + 2] = {0};
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wnsprintf(szDeviceID, ARRAYSIZE(szDeviceID), TEXT("{%wc:\\}"), szDrive[0] );
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hr = RunWiaWizard::RunWizard( szDeviceID );
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}
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return hr;
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}
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