908 lines
27 KiB
C++
908 lines
27 KiB
C++
/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORPORATION, 1998
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*
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* TITLE: WIAUIEXT.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: 5/17/1999
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*
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* DESCRIPTION:
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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 <atlimpl.cpp>
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#include "wiauiext.h"
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#include "wiadefui.h"
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#include "wiascand.h"
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#include "wiacamd.h"
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#include "wiavidd.h"
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#include "wiaffmt.h"
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CWiaDefaultUI::~CWiaDefaultUI(void)
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{
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WIA_PUSHFUNCTION(TEXT("CWiaDefaultUI::~CWiaDefaultUI"));
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DllRelease();
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}
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CWiaDefaultUI::CWiaDefaultUI()
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: m_cRef(1),
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m_pSecondaryCallback(NULL),
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m_nDefaultFormat(0),
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m_hWndProgress(NULL)
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{
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WIA_PUSHFUNCTION(TEXT("CWiaDefaultUI::CWiaDefaultUI"));
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DllAddRef();
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}
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STDMETHODIMP CWiaDefaultUI::QueryInterface( REFIID riid, LPVOID *ppvObject )
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{
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WIA_PUSHFUNCTION(TEXT("CWiaDefaultUI::QueryInterface"));
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if (IsEqualIID( riid, IID_IUnknown ))
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{
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*ppvObject = static_cast<IWiaUIExtension*>(this);
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}
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else if (IsEqualIID( riid, IID_IWiaUIExtension ))
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{
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*ppvObject = static_cast<IWiaUIExtension*>(this);
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}
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else if (IsEqualIID( riid, IID_IWiaTransferHelper ))
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{
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*ppvObject = static_cast<IWiaTransferHelper*>(this);
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}
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else if (IsEqualIID( riid, IID_IWiaDataCallback ))
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{
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*ppvObject = static_cast<IWiaDataCallback*>(this);
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}
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else if (IsEqualIID( riid, IID_IWiaSupportedFormats ))
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{
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*ppvObject = static_cast<IWiaSupportedFormats*>(this);
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}
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else if (IsEqualIID( riid, IID_IShellExtInit ))
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{
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*ppvObject = static_cast<IShellExtInit*>(this);
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}
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else if (IsEqualIID( riid, IID_IShellPropSheetExt ))
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{
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*ppvObject = static_cast<IShellPropSheetExt*>(this);
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}
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else if (IsEqualIID( riid, IID_IWiaMiscellaneousHelpers ))
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{
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*ppvObject = static_cast<IWiaMiscellaneousHelpers*>(this);
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}
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else if (IsEqualIID( riid, IID_IWiaGetImageDlg ))
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{
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*ppvObject = static_cast<IWiaGetImageDlg*>(this);
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}
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else if (IsEqualIID( riid, IID_IWiaProgressDialog ))
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{
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*ppvObject = static_cast<IWiaProgressDialog*>(this);
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}
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else if (IsEqualIID( riid, IID_IWiaAnnotationHelpers ))
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{
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*ppvObject = static_cast<IWiaAnnotationHelpers*>(this);
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}
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else if (IsEqualIID( riid, IID_IWiaScannerPaperSizes))
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{
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*ppvObject = static_cast<IWiaScannerPaperSizes*>(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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STDMETHODIMP_(ULONG) CWiaDefaultUI::AddRef()
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{
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WIA_PUSHFUNCTION(TEXT("CWiaDefaultUI::AddRef"));
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return(InterlockedIncrement(&m_cRef));
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}
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STDMETHODIMP_(ULONG) CWiaDefaultUI::Release()
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{
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WIA_PUSHFUNCTION(TEXT("CWiaDefaultUI::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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STDMETHODIMP CWiaDefaultUI::DeviceDialog( PDEVICEDIALOGDATA pDeviceDialogData )
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{
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WIA_PUSHFUNCTION(TEXT("CWiaDefaultUI::DeviceDialog"));
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if (!pDeviceDialogData)
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{
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return (E_INVALIDARG);
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}
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if (IsBadWritePtr(pDeviceDialogData,sizeof(DEVICEDIALOGDATA)))
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{
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return (E_INVALIDARG);
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}
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if (pDeviceDialogData->cbSize != sizeof(DEVICEDIALOGDATA))
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{
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return (E_INVALIDARG);
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}
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if (!pDeviceDialogData->pIWiaItemRoot)
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{
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return (E_INVALIDARG);
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}
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LONG nDeviceType;
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if (!PropStorageHelpers::GetProperty( pDeviceDialogData->pIWiaItemRoot, WIA_DIP_DEV_TYPE, nDeviceType ))
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{
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return (E_INVALIDARG);
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}
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// In case there is some new device for which we don't have UI
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HRESULT hr = E_NOTIMPL;
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if (StiDeviceTypeDigitalCamera==GET_STIDEVICE_TYPE(nDeviceType))
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{
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hr = CameraDeviceDialog( pDeviceDialogData );
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}
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else if (StiDeviceTypeScanner==GET_STIDEVICE_TYPE(nDeviceType))
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{
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hr = ScannerDeviceDialog( pDeviceDialogData );
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}
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else if (StiDeviceTypeStreamingVideo==GET_STIDEVICE_TYPE(nDeviceType))
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{
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hr = VideoDeviceDialog( pDeviceDialogData );
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}
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return (hr);
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}
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STDMETHODIMP CWiaDefaultUI::GetDeviceIcon( LONG nDeviceType, HICON *phIcon, int nSize )
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{
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// Check args
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if (!phIcon)
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{
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return E_POINTER;
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}
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//
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// Supply a default icon size if none is specified
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//
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if (!nSize)
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{
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nSize = GetSystemMetrics( SM_CXICON );
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}
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//
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// Initialize the returned icon
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//
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*phIcon = NULL;
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// Assume a generic device
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int nIconId = IDI_GENERICDEVICE;
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//
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// Get device-specific icon
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//
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if (StiDeviceTypeScanner==GET_STIDEVICE_TYPE(nDeviceType))
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{
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nIconId = IDI_SCANNER;
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}
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else if (StiDeviceTypeDigitalCamera==GET_STIDEVICE_TYPE(nDeviceType))
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{
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nIconId = IDI_CAMERA;
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}
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else if (StiDeviceTypeStreamingVideo==GET_STIDEVICE_TYPE(nDeviceType))
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{
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nIconId = IDI_VIDEODEVICE;
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}
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//
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// Load the icon
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//
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*phIcon = reinterpret_cast<HICON>(LoadImage( g_hInstance, MAKEINTRESOURCE(nIconId), IMAGE_ICON, nSize, nSize, LR_DEFAULTCOLOR ));
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if (!*phIcon)
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{
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return HRESULT_FROM_WIN32(GetLastError());
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}
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//
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// It worked ok
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//
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return (S_OK);
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}
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STDMETHODIMP CWiaDefaultUI::GetAnnotationOverlayIcon( CAnnotationType AnnotationType, HICON *phIcon, int nSize )
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{
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if (!phIcon)
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{
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return E_INVALIDARG;
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}
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HICON hIcon = NULL;
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*phIcon = NULL;
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switch (AnnotationType)
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{
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case AnnotationAudio:
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hIcon = reinterpret_cast<HICON>(LoadImage( g_hInstance, MAKEINTRESOURCE(IDI_ANNOTATION_AUDIO), IMAGE_ICON, nSize, nSize, LR_DEFAULTCOLOR ));
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break;
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case AnnotationUnknown:
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hIcon = reinterpret_cast<HICON>(LoadImage( g_hInstance, MAKEINTRESOURCE(IDI_ANNOTATION_UNKNOWN), IMAGE_ICON, nSize, nSize, LR_DEFAULTCOLOR ));
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break;
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}
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if (hIcon)
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{
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*phIcon = CopyIcon(hIcon);
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}
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return *phIcon ? S_OK : E_FAIL;
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}
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STDMETHODIMP CWiaDefaultUI::GetAnnotationType( IUnknown *pUnknown, CAnnotationType &AnnotationType )
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{
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WIA_PUSHFUNCTION(TEXT("CWiaDefaultUI::GetAnnotationType"));
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if (!pUnknown)
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{
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return E_INVALIDARG;
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}
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//
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// Assume no annotations
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//
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AnnotationType = AnnotationNone;
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//
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// Get an IWiaItem*
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//
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CComPtr<IWiaItem> pWiaItem;
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HRESULT hr = pUnknown->QueryInterface( IID_IWiaItem, (void**)&pWiaItem );
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if (SUCCEEDED(hr))
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{
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//
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// Low-hanging fruit: audio stored as a property--just return audio. It is unlikely that a driver would
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// have both types of annotation.
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//
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LONG nAudioAvailable = FALSE;
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if (PropStorageHelpers::GetProperty( pWiaItem, WIA_IPC_AUDIO_AVAILABLE, nAudioAvailable ) && nAudioAvailable)
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{
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AnnotationType = AnnotationAudio;
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return S_OK;
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}
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//
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// Get the item type
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//
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LONG nItemType = 0;
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hr = pWiaItem->GetItemType(&nItemType);
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if (SUCCEEDED(hr))
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{
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//
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// If an item has the WiaItemTypeHasAttachments item type flag set, we know it has some attachments...
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//
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if (nItemType & WiaItemTypeHasAttachments)
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{
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//
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// Assume we don't have any audio attachments
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//
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AnnotationType = AnnotationUnknown;
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//
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// Enumerate the children and look at the item types
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//
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CComPtr<IEnumWiaItem> pEnumWiaItem;
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hr = pWiaItem->EnumChildItems( &pEnumWiaItem );
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if (SUCCEEDED(hr))
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{
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//
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// We will break out of the enumeration loop as soon as we find an audio file
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//
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bool bDone = false;
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CComPtr<IWiaItem> pWiaItem;
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while (S_OK == pEnumWiaItem->Next(1,&pWiaItem,NULL) && !bDone)
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{
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//
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// Get the preferred format for this item.
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//
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GUID guidDefaultFormat = IID_NULL;
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if (PropStorageHelpers::GetProperty( pWiaItem, WIA_IPA_PREFERRED_FORMAT, guidDefaultFormat ))
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{
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WIA_PRINTGUID((guidDefaultFormat,TEXT("guidDefaultFormat")));
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//
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// If we find even one audio attachment, we will promote this to
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// be the default for UI purposes.
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//
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if (CWiaFileFormat::IsKnownAudioFormat(guidDefaultFormat))
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{
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//
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// Save the annotation type
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//
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AnnotationType = AnnotationAudio;
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//
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// This will cause the while loop to exit
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//
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bDone = true;
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}
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}
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//
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// Release this interface
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//
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pWiaItem = NULL;
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}
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}
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else
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{
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WIA_PRINTHRESULT((hr,TEXT("EnumChildItems failed")));
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}
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}
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else
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{
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WIA_TRACE((TEXT("This item has no attachments. ItemType: %08X"), nItemType ));
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}
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}
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else
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{
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WIA_PRINTHRESULT((hr,TEXT("Unable to get the item type")));
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}
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}
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else
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{
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WIA_PRINTHRESULT((hr,TEXT("Can't get an IWiaItem*")));
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}
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WIA_TRACE((TEXT("Returning an annotation type of %d"), AnnotationType ));
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return hr;
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}
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STDMETHODIMP CWiaDefaultUI::GetAnnotationFormat( IUnknown *pUnknown, GUID &guidFormat )
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{
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WIA_PUSHFUNCTION(TEXT("CWiaDefaultUI::GetAnnotationFormat"));
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//
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// Validate args
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//
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if (!pUnknown)
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{
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return E_INVALIDARG;
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}
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//
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// Assume this is not a valid annotation
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//
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guidFormat = IID_NULL;
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//
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// Get an IWiaItem*
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//
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CComPtr<IWiaItem> pWiaItem;
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HRESULT hr = pUnknown->QueryInterface( IID_IWiaItem, (void**)&pWiaItem );
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if (SUCCEEDED(hr))
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{
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//
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// First, check to see if this item is an image with an audio annotation property
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//
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LONG nAudioAvailable = FALSE;
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if (PropStorageHelpers::GetProperty( pWiaItem, WIA_IPC_AUDIO_AVAILABLE, nAudioAvailable ) && nAudioAvailable)
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{
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//
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// If the driver supplied the format, use this
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//
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GUID guidAudioDataFormat = IID_NULL;
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if (PropStorageHelpers::GetProperty( pWiaItem, WIA_IPC_AUDIO_DATA_FORMAT, guidAudioDataFormat ))
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{
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guidFormat = guidAudioDataFormat;
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}
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//
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// Otherwise, assume it is WAV data
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//
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else
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{
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guidFormat = WiaAudFmt_WAV;
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}
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}
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else
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{
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//
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// Otherwise, this must be an attachment item. Use the helper interface to get the default format
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//
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CComPtr<IWiaSupportedFormats> pWiaSupportedFormats;
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hr = CoCreateInstance( CLSID_WiaDefaultUi, NULL, CLSCTX_INPROC_SERVER, IID_IWiaSupportedFormats, (void**)&pWiaSupportedFormats );
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if (SUCCEEDED(hr))
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{
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//
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// This is always for file output
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//
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hr = pWiaSupportedFormats->Initialize( pWiaItem, TYMED_FILE );
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if (SUCCEEDED(hr))
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{
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//
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// Get the default format
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//
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GUID guidDefaultFormat = IID_NULL;
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hr = pWiaSupportedFormats->GetDefaultClipboardFileFormat( &guidDefaultFormat );
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if (SUCCEEDED(hr))
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{
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guidFormat = guidDefaultFormat;
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}
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else
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{
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WIA_PRINTHRESULT((hr,TEXT("pWiaSupportedFormats->GetDefaultClipboardFileFormat failed")));
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}
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}
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else
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{
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WIA_PRINTHRESULT((hr,TEXT("pWiaSupportedFormats->Initialize failed")));
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}
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}
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else
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{
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WIA_PRINTHRESULT((hr,TEXT("CoCreateInstance on CLSID_WiaDefaultUi, IID_IWiaSupportedFormats failed")));
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}
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}
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}
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else
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{
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WIA_PRINTHRESULT((hr,TEXT("Can't get an IWiaItem*")));
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}
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//
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// If this is not a valid annotation, make sure we return an error.
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//
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if (SUCCEEDED(hr) && IID_NULL == guidFormat)
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{
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hr = E_FAIL;
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WIA_PRINTHRESULT((hr,TEXT("guidFormat was IID_NULL")));
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}
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return hr;
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}
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STDMETHODIMP CWiaDefaultUI::GetAnnotationSize( IUnknown *pUnknown, LONG &nSize, LONG nMediaType )
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{
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WIA_PUSHFUNCTION(TEXT("CWiaDefaultUI::GetAnnotationSize"));
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//
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// Validate args
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//
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if (!pUnknown)
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{
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return E_INVALIDARG;
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}
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//
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// Assume this is not a valid annotation
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//
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nSize = 0;
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//
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// Get an IWiaItem*
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//
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CComPtr<IWiaItem> pWiaItem;
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HRESULT hr = pUnknown->QueryInterface( IID_IWiaItem, (void**)&pWiaItem );
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if (SUCCEEDED(hr))
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{
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//
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// First, check to see if this item is an image with an audio annotation property
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//
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LONG nAudioAvailable = FALSE;
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if (PropStorageHelpers::GetProperty( pWiaItem, WIA_IPC_AUDIO_AVAILABLE, nAudioAvailable ) && nAudioAvailable)
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{
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//
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// Get the sound property to obtain its size
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//
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CComPtr<IWiaPropertyStorage> pWiaPropertyStorage;
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hr = pWiaItem->QueryInterface( IID_IWiaPropertyStorage, (void**)(&pWiaPropertyStorage) );
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if (SUCCEEDED(hr))
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{
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PROPVARIANT PropVar[1];
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PROPSPEC PropSpec[1];
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PropSpec[0].ulKind = PRSPEC_PROPID;
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PropSpec[0].propid = WIA_IPC_AUDIO_DATA;
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hr = pWiaPropertyStorage->ReadMultiple( ARRAYSIZE(PropSpec), PropSpec, PropVar );
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if (SUCCEEDED(hr))
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{
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nSize = PropVar[0].caub.cElems;
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}
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FreePropVariantArray( ARRAYSIZE(PropVar), PropVar );
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}
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}
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else
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{
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//
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// Save the old media type
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//
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LONG nOldMediaType = 0;
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if (PropStorageHelpers::GetProperty( pWiaItem, WIA_IPA_TYMED, nOldMediaType ))
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{
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//
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// Set the requested media type
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//
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if (PropStorageHelpers::SetProperty( pWiaItem, WIA_IPA_TYMED, nMediaType ))
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{
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//
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// Get the item size
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//
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PropStorageHelpers::GetProperty( pWiaItem, WIA_IPA_ITEM_SIZE, nSize );
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}
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//
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// Restore the old media type
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//
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PropStorageHelpers::SetProperty( pWiaItem, WIA_IPA_TYMED, nOldMediaType );
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}
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}
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}
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else
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{
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WIA_PRINTHRESULT((hr,TEXT("Can't get a IWiaItem*")));
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}
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//
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// If this is not a valid annotation, make sure we return an error.
|
|
//
|
|
if (SUCCEEDED(hr) && nSize == 0)
|
|
{
|
|
hr = E_FAIL;
|
|
WIA_PRINTHRESULT((hr,TEXT("nSize was 0")));
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
class CAttachmentMemoryCallback : public IWiaDataCallback
|
|
{
|
|
private:
|
|
PBYTE m_pBuffer;
|
|
DWORD m_dwSize;
|
|
DWORD m_dwCurr;
|
|
|
|
private:
|
|
//
|
|
// Not implemented
|
|
//
|
|
CAttachmentMemoryCallback(void);
|
|
CAttachmentMemoryCallback( const CAttachmentMemoryCallback & );
|
|
CAttachmentMemoryCallback &operator=( const CAttachmentMemoryCallback & );
|
|
|
|
public:
|
|
CAttachmentMemoryCallback( PBYTE pBuffer, DWORD dwSize )
|
|
: m_pBuffer(pBuffer),
|
|
m_dwSize(dwSize),
|
|
m_dwCurr(0)
|
|
{
|
|
}
|
|
~CAttachmentMemoryCallback(void)
|
|
{
|
|
m_pBuffer = NULL;
|
|
m_dwSize = NULL;
|
|
}
|
|
|
|
STDMETHODIMP QueryInterface(const IID& iid, void** ppvObject)
|
|
{
|
|
if ((iid==IID_IUnknown) || (iid==IID_IWiaDataCallback))
|
|
{
|
|
*ppvObject = static_cast<LPVOID>(this);
|
|
}
|
|
else
|
|
{
|
|
*ppvObject = NULL;
|
|
return(E_NOINTERFACE);
|
|
}
|
|
reinterpret_cast<IUnknown*>(*ppvObject)->AddRef();
|
|
return(S_OK);
|
|
}
|
|
|
|
STDMETHODIMP_(ULONG) AddRef()
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
STDMETHODIMP_(ULONG) Release()
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
STDMETHODIMP BandedDataCallback( LONG lReason, LONG lStatus, LONG lPercentComplete, LONG lOffset, LONG lLength, LONG lReserved, LONG lResLength, PBYTE pbBuffer )
|
|
{
|
|
WIA_PUSH_FUNCTION((TEXT("CAttachmentMemoryCallback::BandedDataCallback( lReason: %08X, lStatus: %08X, lPercentComplete: %08X, lOffset: %08X, lLength: %08X, lReserved: %08X, lResLength: %08X, pbBuffer: %p )"), lReason, lStatus, lPercentComplete, lOffset, lLength, lReserved, lResLength, pbBuffer ));
|
|
if (lReason == IT_MSG_DATA)
|
|
{
|
|
if (lStatus & IT_STATUS_TRANSFER_TO_CLIENT)
|
|
{
|
|
if (lLength + m_dwCurr <= m_dwSize)
|
|
{
|
|
CopyMemory( m_pBuffer+m_dwCurr, pbBuffer, lLength );
|
|
m_dwCurr += lLength;
|
|
}
|
|
}
|
|
}
|
|
return S_OK;
|
|
}
|
|
};
|
|
|
|
STDMETHODIMP CWiaDefaultUI::TransferAttachmentToMemory( IUnknown *pUnknown, GUID &guidFormat, HWND hWndProgressParent, PBYTE *ppBuffer, DWORD *pdwSize )
|
|
{
|
|
//
|
|
// Validate args
|
|
//
|
|
if (!pUnknown || !ppBuffer || !pdwSize)
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
//
|
|
// Initialize args
|
|
//
|
|
*ppBuffer = NULL;
|
|
*pdwSize = 0;
|
|
|
|
CComPtr<IWiaItem> pWiaItem;
|
|
HRESULT hr = pUnknown->QueryInterface( IID_IWiaItem, (void**)&pWiaItem );
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
//
|
|
// First, check to see if this item is an image with an audio annotation property
|
|
//
|
|
LONG nAudioAvailable = FALSE;
|
|
if (PropStorageHelpers::GetProperty( pWiaItem, WIA_IPC_AUDIO_AVAILABLE, nAudioAvailable ) && nAudioAvailable)
|
|
{
|
|
//
|
|
// Get the sound property to obtain its size
|
|
//
|
|
CComPtr<IWiaPropertyStorage> pWiaPropertyStorage;
|
|
hr = pWiaItem->QueryInterface( IID_IWiaPropertyStorage, (void**)(&pWiaPropertyStorage) );
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
//
|
|
// Get the audio data itself
|
|
//
|
|
PROPVARIANT PropVar[1];
|
|
PROPSPEC PropSpec[1];
|
|
|
|
PropSpec[0].ulKind = PRSPEC_PROPID;
|
|
PropSpec[0].propid = WIA_IPC_AUDIO_DATA;
|
|
|
|
hr = pWiaPropertyStorage->ReadMultiple( ARRAYSIZE(PropSpec), PropSpec, PropVar );
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
//
|
|
// Allocate memory to hold the data and copy it over
|
|
//
|
|
*ppBuffer = reinterpret_cast<PBYTE>(CoTaskMemAlloc(PropVar[0].caub.cElems));
|
|
if (*ppBuffer)
|
|
{
|
|
CopyMemory( *ppBuffer, PropVar[0].caub.pElems, PropVar[0].caub.cElems );
|
|
*pdwSize = static_cast<DWORD>(PropVar[0].caub.cElems);
|
|
hr = S_OK;
|
|
}
|
|
else
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Release the original memory
|
|
//
|
|
FreePropVariantArray( ARRAYSIZE(PropVar), PropVar );
|
|
}
|
|
}
|
|
|
|
//
|
|
// This is an attachment, not a property
|
|
//
|
|
else
|
|
{
|
|
//
|
|
// Get the size of the annotation
|
|
//
|
|
LONG nSize = 0;
|
|
hr = GetAnnotationSize( pUnknown, nSize, TYMED_CALLBACK );
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
//
|
|
// Allocate some memory for it
|
|
//
|
|
PBYTE pData = reinterpret_cast<PBYTE>(CoTaskMemAlloc( nSize ));
|
|
if (pData)
|
|
{
|
|
//
|
|
// Zero the memory
|
|
//
|
|
ZeroMemory( pData, nSize );
|
|
|
|
//
|
|
// Prepare the callback class
|
|
//
|
|
CAttachmentMemoryCallback AttachmentMemoryCallback( pData, nSize );
|
|
|
|
//
|
|
// Get the callback interface
|
|
//
|
|
CComPtr<IWiaDataCallback> pWiaDataCallback;
|
|
hr = AttachmentMemoryCallback.QueryInterface( IID_IWiaDataCallback, (void**)&pWiaDataCallback );
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
//
|
|
// Create the transfer helper
|
|
//
|
|
CComPtr<IWiaTransferHelper> pWiaTransferHelper;
|
|
hr = CoCreateInstance( CLSID_WiaDefaultUi, NULL, CLSCTX_INPROC_SERVER, IID_IWiaTransferHelper, (void**)&pWiaTransferHelper );
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
//
|
|
// Transfer the data
|
|
//
|
|
hr = pWiaTransferHelper->TransferItemBanded( pWiaItem, hWndProgressParent, hWndProgressParent?0:WIA_TRANSFERHELPER_NOPROGRESS, guidFormat, 0, pWiaDataCallback );
|
|
if (S_OK == hr)
|
|
{
|
|
//
|
|
// Save the buffer and the size
|
|
//
|
|
*ppBuffer = pData;
|
|
*pdwSize = static_cast<DWORD>(nSize);
|
|
|
|
//
|
|
// NULL out the data pointer so we don't free it below. The caller will free it with CoTaskMemFree.
|
|
//
|
|
pData = NULL;
|
|
}
|
|
}
|
|
}
|
|
if (pData)
|
|
{
|
|
CoTaskMemFree(pData);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
// Calling this function can be horribly slow, because it has to search the whole device list to
|
|
// find the correct icon. You should use IWiaMiscellaneousHelpers::GetDeviceIcon( nDeviceType, ... )
|
|
// instead, if the device type is known.
|
|
STDMETHODIMP CWiaDefaultUI::GetDeviceIcon( BSTR bstrDeviceId, HICON *phIcon, ULONG nSize )
|
|
{
|
|
WIA_PUSHFUNCTION(TEXT("CWiaDefaultUI::GetDeviceIcon"));
|
|
|
|
// Sanity check the device id
|
|
if (!bstrDeviceId || !lstrlenW(bstrDeviceId))
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
// Get the device type
|
|
LONG nDeviceType = 0;
|
|
WiaUiUtil::GetDeviceTypeFromId(bstrDeviceId,&nDeviceType);
|
|
|
|
// Return the device icon
|
|
return GetDeviceIcon( nDeviceType, phIcon, nSize );
|
|
}
|
|
|
|
|
|
STDMETHODIMP CWiaDefaultUI::GetDeviceBitmapLogo( BSTR bstrDeviceId, HBITMAP *phBitmap, ULONG nMaxWidth, ULONG nMaxHeight )
|
|
{
|
|
WIA_PUSHFUNCTION(TEXT("CWiaDefaultUI::GetDeviceBitmapLogo"));
|
|
return (E_NOTIMPL);
|
|
}
|
|
|
|
// IWiaGetImageDlg
|
|
STDMETHODIMP CWiaDefaultUI::GetImageDlg(
|
|
IWiaDevMgr *pIWiaDevMgr,
|
|
HWND hwndParent,
|
|
LONG lDeviceType,
|
|
LONG lFlags,
|
|
LONG lIntent,
|
|
IWiaItem *pSuppliedItemRoot,
|
|
BSTR bstrFilename,
|
|
GUID *pguidFormat )
|
|
{
|
|
HRESULT hr;
|
|
CComPtr<IWiaItem> pRootItem;
|
|
|
|
// Put up a wait cursor
|
|
CWaitCursor wc;
|
|
|
|
if (!pIWiaDevMgr || !pguidFormat || !bstrFilename)
|
|
{
|
|
WIA_ERROR((TEXT("GetImageDlg: Invalid pIWiaDevMgr, pguidFormat or bstrFilename")));
|
|
return(E_POINTER);
|
|
}
|
|
|
|
// If a root item wasn't passed, select the device.
|
|
if (pSuppliedItemRoot == NULL)
|
|
{
|
|
hr = pIWiaDevMgr->SelectDeviceDlg( hwndParent, lDeviceType, lFlags, NULL, &pRootItem );
|
|
if (FAILED(hr))
|
|
{
|
|
WIA_ERROR((TEXT("GetImageDlg, SelectDeviceDlg failed")));
|
|
return(hr);
|
|
}
|
|
if (hr != S_OK)
|
|
{
|
|
WIA_ERROR((TEXT("GetImageDlg, DeviceDlg cancelled")));
|
|
return(hr);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pRootItem = pSuppliedItemRoot;
|
|
}
|
|
|
|
// Put up the device UI.
|
|
LONG nItemCount;
|
|
IWiaItem **ppIWiaItem;
|
|
|
|
hr = pRootItem->DeviceDlg( hwndParent, lFlags, lIntent, &nItemCount, &ppIWiaItem );
|
|
|
|
if (SUCCEEDED(hr) && hr == S_OK)
|
|
{
|
|
if (ppIWiaItem && nItemCount)
|
|
{
|
|
CComPtr<IWiaTransferHelper> pWiaTransferHelper;
|
|
hr = CoCreateInstance( CLSID_WiaDefaultUi, NULL, CLSCTX_INPROC_SERVER, IID_IWiaTransferHelper, (void**)&pWiaTransferHelper );
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = pWiaTransferHelper->TransferItemFile( ppIWiaItem[0], hwndParent, 0, *pguidFormat, bstrFilename, NULL, TYMED_FILE );
|
|
}
|
|
}
|
|
// Release the items and free the array memory
|
|
for (int i=0; ppIWiaItem && i<nItemCount; i++)
|
|
{
|
|
if (ppIWiaItem[i])
|
|
{
|
|
ppIWiaItem[i]->Release();
|
|
}
|
|
}
|
|
if (ppIWiaItem)
|
|
{
|
|
CoTaskMemFree(ppIWiaItem);
|
|
}
|
|
}
|
|
return(hr);
|
|
}
|
|
|
|
|
|
STDMETHODIMP CWiaDefaultUI::SelectDeviceDlg(
|
|
HWND hwndParent,
|
|
BSTR bstrInitialDeviceId,
|
|
LONG lDeviceType,
|
|
LONG lFlags,
|
|
BSTR *pbstrDeviceID,
|
|
IWiaItem **ppWiaItemRoot )
|
|
{
|
|
SELECTDEVICEDLG SelectDeviceDlgData;
|
|
ZeroMemory( &SelectDeviceDlgData, sizeof(SELECTDEVICEDLG) );
|
|
|
|
SelectDeviceDlgData.cbSize = sizeof(SELECTDEVICEDLG);
|
|
SelectDeviceDlgData.hwndParent = hwndParent;
|
|
SelectDeviceDlgData.pwszInitialDeviceId = NULL;
|
|
SelectDeviceDlgData.nDeviceType = lDeviceType;
|
|
SelectDeviceDlgData.nFlags = lFlags;
|
|
SelectDeviceDlgData.ppWiaItemRoot = ppWiaItemRoot;
|
|
SelectDeviceDlgData.pbstrDeviceID = pbstrDeviceID;
|
|
return ::SelectDeviceDlg( &SelectDeviceDlgData );
|
|
}
|
|
|