initial add

widget/src/windows/IENUMFE.CPP

@@ -0,0 +1,290 @@
+/*
+ * IENUMFE.CPP
+ *
+ * Standard implementation of a FORMATETC enumerator with the
+ * IEnumFORMATETC interface that will generally not need
+ * modification.
+ *
+ * Copyright (c)1993-1994 Microsoft Corporation, All Rights Reserved
+ *
+ * Kraig Brockschmidt, Software Design Engineer
+ * Microsoft Systems Developer Relations
+ *
+ * Internet  :  kraigb@microsoft.com
+ * Compuserve:  >INTERNET:kraigb@microsoft.com
+ */
+
+
+#include "ienumfe.h"
+
+
+/*
+ * CEnumFormatEtc::CEnumFormatEtc
+ * CEnumFormatEtc::~CEnumFormatEtc
+ *
+ * Parameters (Constructor):
+ *  pUnkRef         LPUNKNOWN to use for reference counting.
+ *  cFE             ULONG number of FORMATETCs in pFE
+ *  prgFE           LPFORMATETC to the array to enumerate.
+ */
+
+CEnumFormatEtc::CEnumFormatEtc(LPUNKNOWN pUnkRef, ULONG cFE, LPFORMATETC prgFE)
+    {
+    UINT        i;
+
+    m_cRef=0;
+    m_pUnkRef=pUnkRef;
+
+    m_iCur   = 0;
+    m_cfe    = cFE;
+    m_maxcfe = cFE;
+    m_prgfe=new FORMATETC[(UINT)cFE];
+
+    if (NULL!=m_prgfe) {
+      for (i=0; i < cFE; i++)
+        m_prgfe[i]=prgFE[i];
+      }
+
+      return;
+    }
+
+/*
+ * CEnumFormatEtc::CEnumFormatEtc
+ * CEnumFormatEtc::~CEnumFormatEtc
+ *
+ * Parameters (Constructor):
+ *  pUnkRef         LPUNKNOWN to use for reference counting.
+ *  cFE             ULONG number of FORMATETCs in pFE
+ */
+
+CEnumFormatEtc::CEnumFormatEtc(LPUNKNOWN pUnkRef, ULONG cMaxFE)
+{
+  //UINT        i;
+
+  m_cRef=0;
+  m_pUnkRef=pUnkRef;
+
+  m_iCur   = 0;
+  m_cfe    = 0;
+  m_maxcfe = cMaxFE;
+  m_prgfe=new FORMATETC[(UINT)cMaxFE];
+  }
+
+
+CEnumFormatEtc::~CEnumFormatEtc(void)
+{
+  if (NULL!=m_prgfe)
+    delete [] m_prgfe;
+
+}
+
+void CEnumFormatEtc::AddFE(LPFORMATETC aFE)
+{
+  m_prgfe[m_cfe++] = *aFE;
+}
+
+/*
+ * CEnumFormatEtc::QueryInterface
+ * CEnumFormatEtc::AddRef
+ * CEnumFormatEtc::Release
+ *
+ * Purpose:
+ *  IUnknown members for CEnumFormatEtc object.  For QueryInterface
+ *  we only return out own interfaces and not those of the data
+ *  object.  However, since enumerating formats only makes sense
+ *  when the data object is around, we insure that it stays as
+ *  long as we stay by calling an outer IUnknown for AddRef
+ *  and Release.  But since we are not controlled by the lifetime
+ *  of the outer object, we still keep our own reference count in
+ *  order to free ourselves.
+ */
+
+STDMETHODIMP CEnumFormatEtc::QueryInterface(REFIID riid, LPVOID *ppv)
+{
+    *ppv=NULL;
+
+    /*
+     * Enumerators are separate objects, not the data object, so
+     * we only need to support out IUnknown and IEnumFORMATETC
+     * interfaces here with no concern for aggregation.
+     */
+    if (IsEqualIID(riid, IID_IUnknown)
+        || IsEqualIID(riid, IID_IEnumFORMATETC))
+        *ppv=(LPVOID)this;
+
+    //AddRef any interface we'll return.
+    if (NULL!=*ppv)
+        {
+        ((LPUNKNOWN)*ppv)->AddRef();
+        return NOERROR;
+        }
+
+    return ResultFromScode(E_NOINTERFACE);
+    }
+
+
+STDMETHODIMP_(ULONG) CEnumFormatEtc::AddRef(void)
+    {
+    ++m_cRef;
+    m_pUnkRef->AddRef();
+    return m_cRef;
+    }
+
+STDMETHODIMP_(ULONG) CEnumFormatEtc::Release(void)
+    {
+    ULONG       cRefT;
+
+    cRefT=--m_cRef;
+
+    m_pUnkRef->Release();
+
+    if (0L==m_cRef)
+        delete this;
+
+    return cRefT;
+    }
+
+
+
+
+
+
+
+/*
+ * CEnumFormatEtc::Next
+ *
+ * Purpose:
+ *  Returns the next element in the enumeration.
+ *
+ * Parameters:
+ *  cFE             ULONG number of FORMATETCs to return.
+ *  pFE             LPFORMATETC in which to store the returned
+ *                  structures.
+ *  pulFE           ULONG * in which to return how many we
+ *                  enumerated.
+ *
+ * Return Value:
+ *  HRESULT         NOERROR if successful, S_FALSE otherwise,
+ */
+
+STDMETHODIMP CEnumFormatEtc::Next(ULONG cFE, LPFORMATETC pFE, ULONG * pulFE)
+    {
+    ULONG               cReturn=0L;
+
+    if (NULL==m_prgfe)
+        return ResultFromScode(S_FALSE);
+
+    if (NULL==pulFE)
+        {
+        if (1L!=cFE)
+            return ResultFromScode(E_POINTER);
+        }
+    else
+        *pulFE=0L;
+
+    if (NULL==pFE || m_iCur >= m_cfe)
+        return ResultFromScode(S_FALSE);
+
+    while (m_iCur < m_cfe && cFE > 0)
+        {
+        *pFE++=m_prgfe[m_iCur++];
+        cReturn++;
+        cFE--;
+        }
+
+    if (NULL!=pulFE)
+        *pulFE=cReturn;
+
+    return NOERROR;
+    }
+
+
+
+
+
+
+
+/*
+ * CEnumFormatEtc::Skip
+ *
+ * Purpose:
+ *  Skips the next n elements in the enumeration.
+ *
+ * Parameters:
+ *  cSkip           ULONG number of elements to skip.
+ *
+ * Return Value:
+ *  HRESULT         NOERROR if successful, S_FALSE if we could not
+ *                  skip the requested number.
+ */
+
+STDMETHODIMP CEnumFormatEtc::Skip(ULONG cSkip)
+    {
+    if (((m_iCur+cSkip) >= m_cfe) || NULL==m_prgfe)
+        return ResultFromScode(S_FALSE);
+
+    m_iCur+=cSkip;
+    return NOERROR;
+    }
+
+
+
+
+
+
+/*
+ * CEnumFormatEtc::Reset
+ *
+ * Purpose:
+ *  Resets the current element index in the enumeration to zero.
+ *
+ * Parameters:
+ *  None
+ *
+ * Return Value:
+ *  HRESULT         NOERROR
+ */
+
+STDMETHODIMP CEnumFormatEtc::Reset(void)
+    {
+    m_iCur=0;
+    return NOERROR;
+    }
+
+
+
+
+
+
+/*
+ * CEnumFormatEtc::Clone
+ *
+ * Purpose:
+ *  Returns another IEnumFORMATETC with the same state as ourselves.
+ *
+ * Parameters:
+ *  ppEnum          LPENUMFORMATETC * in which to return the
+ *                  new object.
+ *
+ * Return Value:
+ *  HRESULT         NOERROR or a general error value.
+ */
+
+STDMETHODIMP CEnumFormatEtc::Clone(LPENUMFORMATETC *ppEnum)
+    {
+    LPCEnumFormatEtc    pNew;
+
+    *ppEnum=NULL;
+
+    //Create the clone
+    pNew=new CEnumFormatEtc(m_pUnkRef, m_cfe, m_prgfe);
+
+    if (NULL==pNew)
+        return ResultFromScode(E_OUTOFMEMORY);
+
+    pNew->AddRef();
+    pNew->m_iCur=m_iCur;
+
+    *ppEnum=pNew;
+    return NOERROR;
+    }

widget/src/windows/IENUMFE.H

@@ -0,0 +1,64 @@
+/*
+ * IENUMFE.H
+ *
+ * Definitions of a template IDataObject interface implementation.
+ *
+ * Copyright (c)1993-1994 Microsoft Corporation, All Right Reserved
+ *
+ * Kraig Brockschmidt, Software Design Engineer
+ * Microsoft Systems Developer Relations
+ *
+ * Internet  :  kraigb@microsoft.com
+ * Compuserve:  >INTERNET:kraigb@microsoft.com
+ */
+
+
+#ifndef _IENUMFE_H_
+#define _IENUMFE_H_
+#include "OLE2.h"
+#include "URLMON.h"
+
+/*
+ * IEnumFORMATETC object that is created from
+ * IDataObject::EnumFormatEtc.  This object lives on its own,
+ * that is, QueryInterface only knows IUnknown and IEnumFormatEtc,
+ * nothing more.  We still use an outer unknown for reference
+ * counting, because as long as this enumerator lives, the data
+ * object should live, thereby keeping the application up.
+ */
+
+class CEnumFormatEtc;
+typedef class CEnumFormatEtc *LPCEnumFormatEtc;
+
+class CEnumFormatEtc : public IEnumFORMATETC
+    {
+    private:
+        ULONG           m_cRef;     //Object reference count
+        LPUNKNOWN       m_pUnkRef;  //IUnknown for ref counting
+        ULONG           m_iCur;     //Current element
+        ULONG           m_cfe;      //Number of FORMATETCs in us
+        LPFORMATETC     m_prgfe;    //Source of FORMATETCs
+        ULONG           m_maxcfe;   // Max number of us
+
+    public:
+        CEnumFormatEtc(LPUNKNOWN, ULONG, LPFORMATETC);
+        CEnumFormatEtc(LPUNKNOWN, ULONG aMaxSize);
+        ~CEnumFormatEtc(void);
+
+        //IUnknown members that delegate to m_pUnkOuter.
+        STDMETHODIMP         QueryInterface(REFIID, LPVOID*);
+        STDMETHODIMP_(ULONG) AddRef(void);
+        STDMETHODIMP_(ULONG) Release(void);
+
+        //IEnumFORMATETC members
+        STDMETHODIMP Next(ULONG, LPFORMATETC, ULONG *);
+        STDMETHODIMP Skip(ULONG);
+        STDMETHODIMP Reset(void);
+        STDMETHODIMP Clone(IEnumFORMATETC **);
+
+        // Extra Methods
+        void AddFE(LPFORMATETC);
+    };
+
+
+#endif //_IENUMFE_H_

widget/src/windows/nsClipboard.cpp

@@ -0,0 +1,304 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsClipboard.h"
+#include <windows.h>
+#include <OLE2.h>
+
+#include "nsDataObj.h"
+#include "nsISupportsArray.h"
+#include "nsIClipboardOwner.h"
+#include "nsIDataFlavor.h"
+
+#include "DDCOMM.h"
+
+// interface definitions
+static NS_DEFINE_IID(kIDataFlavorIID,    NS_IDATAFLAVOR_IID);
+
+NS_IMPL_ADDREF(nsClipboard)
+NS_IMPL_RELEASE(nsClipboard)
+
+//-------------------------------------------------------------------------
+//
+// nsClipboard constructor
+//
+//-------------------------------------------------------------------------
+nsClipboard::nsClipboard()
+{
+  NS_INIT_REFCNT();
+  mTransferable = nsnull;
+  mDataObj  = nsnull;
+}
+
+//-------------------------------------------------------------------------
+//
+// nsClipboard destructor
+//
+//-------------------------------------------------------------------------
+nsClipboard::~nsClipboard()
+{
+  if (nsnull != mDataObj) {
+    mDataObj->Release();
+  }
+}
+
+/**
+ * @param aIID The name of the class implementing the method
+ * @param _classiiddef The name of the #define symbol that defines the IID
+ * for the class (e.g. NS_ISUPPORTS_IID)
+ * 
+*/ 
+nsresult nsClipboard::QueryInterface(const nsIID& aIID, void** aInstancePtr)
+{
+
+  if (NULL == aInstancePtr) {
+    return NS_ERROR_NULL_POINTER;
+  }
+
+  nsresult rv = NS_NOINTERFACE;
+
+  static NS_DEFINE_IID(kIClipboard, NS_ICLIPBOARD_IID);
+  if (aIID.Equals(kIClipboard)) {
+    *aInstancePtr = (void*) ((nsIClipboard*)this);
+    NS_ADDREF_THIS();
+    return NS_OK;
+  }
+
+  return rv;
+}
+
+
+/**
+  * Sets the transferable object
+  *
+  */
+NS_IMETHODIMP nsClipboard::SetTransferable(nsITransferable * aTransferable, nsIClipboardOwner * anOwner)
+{
+  if (nsnull != mClipboardOwner) {
+    mClipboardOwner->LosingOwnership(mTransferable);
+    NS_RELEASE(mClipboardOwner);
+  }
+
+  mClipboardOwner = anOwner;
+  if (nsnull != anOwner) {
+    NS_ADDREF(mClipboardOwner);
+  }
+
+  if (nsnull != mTransferable) {
+    NS_RELEASE(mTransferable);
+  }
+
+  mTransferable = aTransferable;
+  if (nsnull == mTransferable) {
+    return NS_OK;
+  }
+
+  NS_ADDREF(mTransferable);
+
+  return NS_OK;
+}
+
+/**
+  * 
+  *
+  */
+NS_IMETHODIMP nsClipboard::SetClipboard()
+{
+  // make sure we have a good transferable
+  if (nsnull == mTransferable) {
+    return NS_ERROR_FAILURE;
+  }
+
+  // Clear the native clipboard
+  ::OleFlushClipboard();
+
+  // Get the transferable list of data flavors
+  nsISupportsArray * dfList;
+  mTransferable->GetTransferDataFlavors(&dfList);
+
+  // Release the existing DataObject
+  if (mDataObj) {
+    mDataObj->Release();
+  }
+
+  // Create our native DataObject that implements 
+  // the OLE IDataObject interface
+  mDataObj = new nsDataObj();
+  mDataObj->AddRef();
+
+  // Now give the Transferable to the DataObject 
+  // for getting the data out of it
+  mDataObj->SetTransferable(mTransferable);
+
+  // Walk through flavors and register them on the native clipboard,
+  PRUint32 i;
+  for (i=0;i<dfList->Count();i++) {
+    nsIDataFlavor * df;
+    nsISupports * supports = dfList->ElementAt(i);
+    if (NS_OK == supports->QueryInterface(kIDataFlavorIID, (void **)&df)) {
+      nsString mime;
+      df->GetMimeType(mime);
+      UINT format;
+
+      if (mime.Equals(kTextMime)) {
+        format = CF_TEXT;
+      } else if (mime.Equals(kUnicodeMime)) {
+        format = CF_UNICODETEXT;
+      } else if (mime.Equals(kImageMime)) {
+        format = CF_BITMAP;
+      } else {
+        char * str = mime.ToNewCString();
+        format = ::RegisterClipboardFormat(str);
+        delete[] str;
+      }
+      FORMATETC fe;
+      SET_FORMATETC(fe, format, 0, DVASPECT_CONTENT, 0, TYMED_HGLOBAL);
+
+      // Now tell the native IDataObject about both the DataFlavor and 
+      // the native data format
+      mDataObj->AddDataFlavor(df, &fe);
+      NS_RELEASE(df);
+    }
+    NS_RELEASE(supports);
+  }
+
+  // cast our native DataObject to its IDataObject pointer
+  // and put it on the clipboard
+  IDataObject * ido = (IDataObject *)mDataObj;
+  ::OleSetClipboard(ido);
+
+  return NS_OK;
+}
+
+/**
+  * 
+  *
+  */
+static nsresult GetNativeDataOffClipboard(UINT aFormat, void ** aData, PRUint32 * aLen)
+{
+  HGLOBAL   hglb; 
+  LPSTR     lpStr; 
+  nsresult  result = NS_ERROR_FAILURE;
+  DWORD     dataSize;
+
+  if (::OpenClipboard(NULL)) { // Just Grab TEXT for now, later we will grab HTML, XIF, etc.
+    hglb = ::GetClipboardData(aFormat); 
+    if (hglb != NULL) {
+      lpStr       = (LPSTR)::GlobalLock(hglb);
+      dataSize    = ::GlobalSize(hglb);
+      *aLen       = dataSize;
+      char * data = new char[dataSize];
+
+      char*    ptr  = data;
+      LPSTR    pMem = lpStr;
+      PRUint32 inx;
+      for (inx=0; inx < dataSize; inx++) {
+	      *ptr++ = *pMem++;
+      }
+      ::GlobalUnlock(hglb);
+
+      *aData = data;
+      result = NS_OK;
+    }
+    ::CloseClipboard();
+  }
+  return NS_OK;
+}
+
+/**
+  * 
+  *
+  */
+NS_IMETHODIMP nsClipboard::GetClipboard()
+{
+  // make sure we have a good transferable
+  if (nsnull == mTransferable) {
+    return NS_ERROR_FAILURE;
+  }
+
+  // Get the transferable list of data flavors
+  nsISupportsArray * dfList;
+  mTransferable->GetTransferDataFlavors(&dfList);
+
+  // Walk through flavors and see which flavor is on the clipboard them on the native clipboard,
+  PRUint32 i;
+  for (i=0;i<dfList->Count();i++) {
+    nsIDataFlavor * df;
+    nsISupports * supports = dfList->ElementAt(i);
+    if (NS_OK == supports->QueryInterface(kIDataFlavorIID, (void **)&df)) {
+      nsString mime;
+      df->GetMimeType(mime);
+      UINT format;
+
+      void   * data;
+      PRUint32 dataLen;
+
+      if (mime.Equals(kTextMime)) {
+        format = CF_TEXT;
+      } else if (mime.Equals(kUnicodeMime)) {
+        format = CF_UNICODETEXT;
+      } else if (mime.Equals(kImageMime)) {
+        format = CF_BITMAP;
+      } else {
+        char * str = mime.ToNewCString();
+        format = ::RegisterClipboardFormat(str);
+        delete[] str;
+      }
+
+      if (NS_OK == GetNativeDataOffClipboard(format, &data, &dataLen)) {
+        mTransferable->SetTransferData(df, data, dataLen);
+        //NS_RELEASE(df);
+        //NS_RELEASE(supports);
+        //return NS_OK;
+      }
+      NS_RELEASE(df);
+    }
+    NS_RELEASE(supports);
+  }
+
+  return NS_OK;
+}
+
+/**
+  * This enumarates the native clipboard checking to see if the data flavor is on it
+  *
+  */
+NS_IMETHODIMP nsClipboard::IsDataFlavorSupported(nsIDataFlavor * aDataFlavor)
+{
+  return NS_ERROR_FAILURE;
+}
+
+  	// make the IDataObject
+  /*IDataObject * dataObj = NULL;
+  
+  IClassFactory * pCF    = NULL;
+
+  HRESULT hr = ::CoGetClassObject(CLSID_CfDataObj, CLSCTX_INPROC_SERVER, NULL, IID_IClassFactory, (void **)&pCF); 
+	if (REGDB_E_CLASSNOTREG == hr) {
+		return hr;
+	}
+  //hresult = pCF->CreateInstance(pUnkOuter, riid, ppvObj) 
+  pCF->Release();
+
+  HRESULT ret = ::CoCreateInstance(CLSID_CfDataObj, NULL, CLSCTX_INPROC_SERVER, IID_IDataObject, (void **)&dataObj);
+	if (REGDB_E_CLASSNOTREG == ret) {
+		//return ret;
+	}
+	if (FAILED(ret)) {
+		//return ret;
+	}*/

widget/src/windows/nsClipboard.h

@@ -0,0 +1,61 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#ifndef nsClipboard_h__
+#define nsClipboard_h__
+
+#include "nsIClipboard.h"
+#include "nsITransferable.h"
+
+class nsITransferable;
+class nsDataObj;
+class nsIClipboardOwner;
+
+/**
+ * Native Win32 Clipboard wrapper
+ */
+
+class nsClipboard : public nsIClipboard
+{
+
+public:
+  nsClipboard();
+  virtual ~nsClipboard();
+
+  //nsISupports
+  NS_DECL_ISUPPORTS
+  
+
+  // nsIClipboard  
+  NS_IMETHOD SetTransferable(nsITransferable * aTransferable, nsIClipboardOwner * anOwner);
+
+  NS_IMETHOD GetClipboard();
+  NS_IMETHOD SetClipboard();
+  NS_IMETHOD IsDataFlavorSupported(nsIDataFlavor * aDataFlavor);
+
+
+protected:
+
+  nsIClipboardOwner * mClipboardOwner;
+  nsITransferable  * mTransferable;
+
+  nsDataObj       * mDataObj;
+
+};
+
+#endif // nsClipboard_h__

widget/src/windows/nsDataFlavor.cpp

@@ -0,0 +1,125 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsDataFlavor.h"
+
+//#include <windows.h>
+
+static NS_DEFINE_IID(kIDataFlavor, NS_IDATAFLAVOR_IID);
+
+NS_IMPL_ADDREF(nsDataFlavor)
+NS_IMPL_RELEASE(nsDataFlavor)
+
+//-------------------------------------------------------------------------
+//
+// DataFlavor constructor
+//
+//-------------------------------------------------------------------------
+nsDataFlavor::nsDataFlavor()
+{
+  NS_INIT_REFCNT();
+}
+
+//-------------------------------------------------------------------------
+//
+// DataFlavor destructor
+//
+//-------------------------------------------------------------------------
+nsDataFlavor::~nsDataFlavor()
+{
+}
+
+/**
+ * @param aIID The name of the class implementing the method
+ * @param _classiiddef The name of the #define symbol that defines the IID
+ * for the class (e.g. NS_ISUPPORTS_IID)
+ * 
+*/ 
+nsresult nsDataFlavor::QueryInterface(const nsIID& aIID, void** aInstancePtr)
+{
+
+  if (NULL == aInstancePtr) {
+    return NS_ERROR_NULL_POINTER;
+  }
+
+  nsresult rv = NS_NOINTERFACE;
+
+  if (aIID.Equals(kIDataFlavor)) {
+    *aInstancePtr = (void*) ((nsIDataFlavor*)this);
+    NS_ADDREF_THIS();
+    return NS_OK;
+  }
+
+  return rv;
+}
+
+/**
+  * 
+  *
+  */
+NS_METHOD nsDataFlavor::Init(const nsString & aMimeType, const nsString & aHumanPresentableName)
+{
+  mMimeType = aMimeType;
+  mHumanPresentableName = aHumanPresentableName;
+
+  char * str = mMimeType.ToNewCString();
+  mNativeClipboardFormat = ::RegisterClipboardFormat(str);
+
+  delete[] str;
+
+  return NS_OK;
+}
+
+/**
+  * 
+  *
+  */
+NS_METHOD nsDataFlavor::GetMimeType(nsString & aMimeStr)
+{
+  aMimeStr = mMimeType;
+  return NS_OK;
+}
+
+/**
+  * 
+  *
+  */
+NS_METHOD nsDataFlavor::GetHumanPresentableName(nsString & aHumanPresentableName)
+{
+  aHumanPresentableName = mHumanPresentableName;
+  return NS_OK;
+}
+
+/**
+  * 
+  *
+  */
+NS_METHOD nsDataFlavor::GetNativeData(void ** aData)
+{
+  return NS_OK;
+}
+
+/**
+  * 
+  *
+  */
+NS_METHOD nsDataFlavor::SetNativeData(void * aData)
+{
+  return NS_OK;
+}
+

widget/src/windows/nsDataFlavor.h

@@ -0,0 +1,66 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#ifndef nsDataFlavor_h__
+#define nsDataFlavor_h__
+
+#include "nsIDataFlavor.h"
+
+#include <OLE2.h>
+#include "OLEIDL.H"
+//#include <windows.h>
+
+class nsISupportsArray;
+class nsIDataFlavor;
+
+/**
+ * Native Win32 DataFlavor wrapper
+ */
+
+class nsDataFlavor : public nsIDataFlavor
+{
+
+public:
+  nsDataFlavor();
+  virtual ~nsDataFlavor();
+
+  //nsISupports
+  NS_DECL_ISUPPORTS
+  
+  //nsIDataFlavor
+  NS_IMETHOD Init(const nsString & aMimeType, const nsString & aHumanPresentableName);
+  NS_IMETHOD GetMimeType(nsString & aMimeStr);
+  NS_IMETHOD GetHumanPresentableName(nsString & aReadableStr);
+
+
+  NS_IMETHOD GetNativeData(void ** aData);
+  NS_IMETHOD SetNativeData(void * aData);
+
+
+  // Native Methods
+  UINT GetFormat() { return mNativeClipboardFormat; }
+
+protected:
+  nsString mMimeType;
+  nsString mHumanPresentableName;
+
+  UINT mNativeClipboardFormat;
+
+};
+
+#endif // nsDataFlavor_h__

widget/src/windows/nsDataObj.cpp

@@ -0,0 +1,496 @@
+/*Copyright Notice ===============================================*
+	This file contains proprietary information of Digital Style
+	Corporation. Copying or reproducing without prior written
+	approval is prohibited.
+                                       
+	Copyright (c) 1995           
+	Digital Style Corporation
+	16885 Via Del Campo Court #202
+	San Diego, CA 92127
+	(619)-673-5050
+
+ *Copyright Notice ===============================================*/
+
+#include "Ddcomm.h"
+//#include "DragDrop.h"
+#include "nsDataObj.h"
+#include "nsString.h"
+#include "nsISupportsArray.h"
+#include "nsIDataFlavor.h"
+#include "nsITransferable.h"
+#include "IENUMFE.h"
+
+// interface definitions
+static NS_DEFINE_IID(kIDataFlavorIID,    NS_IDATAFLAVOR_IID);
+
+//#include "OLEIDL.h"
+#include "OLE2.h"
+#include "URLMON.h"
+
+ULONG nsDataObjClassFactory::g_cLock = 0;
+ULONG nsDataObj::g_cRef = 0;
+
+EXTERN_C GUID CDECL CLSID_nsDataObj;// =
+//	{ 0x1bba7640, 0xdf52, 0x11cf, { 0x82, 0x7b, 0, 0xa0, 0x24, 0x3a, 0xe5, 0x05 } };
+
+/*
+ * class nsDataObjClassFactory
+ */
+
+nsDataObjClassFactory::nsDataObjClassFactory()
+{
+	 m_cRef = 0L;
+    return;
+}
+
+nsDataObjClassFactory::~nsDataObjClassFactory()
+{
+    return;
+}
+
+// IUnknown Interface - see iunknown.h for documentation
+
+STDMETHODIMP nsDataObjClassFactory::QueryInterface(REFIID riid, void** ppv)
+{
+	 *ppv = NULL;
+
+	 if (IID_IUnknown == riid || IID_IClassFactory == riid)
+		  *ppv = this;
+
+	 if (NULL != *ppv) {
+        ((LPUNKNOWN)*ppv)->AddRef();
+        return NOERROR;
+	 }
+
+    return ResultFromScode(E_NOINTERFACE);
+}
+
+
+STDMETHODIMP_(ULONG) nsDataObjClassFactory::AddRef()
+{
+	return ++m_cRef;
+}
+
+
+STDMETHODIMP_(ULONG) nsDataObjClassFactory::Release()
+{
+	if (0L != --m_cRef)
+		return m_cRef;
+
+	delete this;
+	return 0L;
+}
+
+// IClassFactory methods
+
+STDMETHODIMP nsDataObjClassFactory::CreateInstance
+	(LPUNKNOWN pUnkOuter, REFIID riid, void** ppvObj)
+{
+	 nsDataObj*          pObj;
+	 HRESULT             hr;
+
+    *ppvObj=NULL;
+    hr=ResultFromScode(E_OUTOFMEMORY);
+
+    //Verify that a controlling unknown asks for IUnknown
+	 if (NULL != pUnkOuter && IID_IUnknown != riid)
+		  return ResultFromScode(E_NOINTERFACE);
+
+	 //Create the object.
+	 pObj = new nsDataObj();
+
+	 if (NULL == pObj)
+        return hr;
+
+	 hr = pObj->QueryInterface(riid, ppvObj);
+
+    //Kill the object if initial creation or Init failed.
+	 if (FAILED(hr))
+		  delete pObj;
+
+    return hr;
+}
+
+
+STDMETHODIMP nsDataObjClassFactory::LockServer(BOOL fLock)
+{
+	if (fLock) {
+		++g_cLock;
+	} else if (0 < g_cLock) {
+		--g_cLock;
+	}
+
+	return NOERROR;
+}
+
+/*
+ * Class nsDataObj
+ */
+
+// construction, destruction
+
+nsDataObj::nsDataObj()
+{
+	m_cRef	        = 0;
+  mTransferable   = nsnull;
+  nsresult result = NS_NewISupportsArray(&mDataFlavors);
+
+  m_enumFE = new CEnumFormatEtc(this, 32);
+  m_enumFE->AddRef();
+}
+
+nsDataObj::~nsDataObj()
+{
+	m_cRef = 0;
+  m_enumFE->Release();
+
+}
+
+
+// IUnknown interface methods - see inknown.h for documentation
+
+STDMETHODIMP nsDataObj::QueryInterface(REFIID riid, void** ppv)
+{
+	*ppv=NULL;
+
+	if ( (IID_IUnknown == riid) || (IID_IDataObject	== riid) ) {
+		*ppv = this;
+		AddRef();
+		return NOERROR;
+	}
+
+	return ResultFromScode(E_NOINTERFACE);
+}
+
+
+STDMETHODIMP_(ULONG) nsDataObj::AddRef()
+{
+	++g_cRef;
+	return ++m_cRef;
+}
+
+
+STDMETHODIMP_(ULONG) nsDataObj::Release()
+{
+	if (0 < g_cRef)
+		--g_cRef;
+
+	if (0 != --m_cRef)
+		return m_cRef;
+
+	delete this;
+	return 0;
+}
+
+BOOL nsDataObj::FormatsMatch(const FORMATETC& source, const FORMATETC& target) const
+{
+	if ((source.cfFormat == target.cfFormat) &&
+		 (source.dwAspect  & target.dwAspect)  &&
+		 (source.tymed     & target.tymed))       {
+		return TRUE;
+	} else {
+		return FALSE;
+	}
+}
+
+
+// IDataObject methods
+
+STDMETHODIMP nsDataObj::GetData(LPFORMATETC pFE, LPSTGMEDIUM pSTM)
+{
+  if (nsnull == mTransferable) {
+	  return ResultFromScode(DATA_E_FORMATETC);
+  }
+
+  PRUint32 dfInx = 0;
+
+  ULONG count;
+  FORMATETC fe;
+  m_enumFE->Reset();
+  while (NOERROR == m_enumFE->Next(1, &fe, &count)) {
+    nsIDataFlavor * df;
+    nsISupports * supports = mDataFlavors->ElementAt(dfInx);
+    if (NS_OK == supports->QueryInterface(kIDataFlavorIID, (void **)&df)) {
+		  if (FormatsMatch(fe, *pFE)) {
+			  pSTM->pUnkForRelease = NULL;
+			  CLIPFORMAT format = pFE->cfFormat;
+			  switch(format) {
+				  case CF_TEXT:
+					  return GetText(df, *pFE, *pSTM);
+				  //case CF_BITMAP:
+				  //	return GetBitmap(*pFE, *pSTM);
+				  //case CF_DIB:
+				  //	return GetDib(*pFE, *pSTM);
+				  //case CF_METAFILEPICT:
+				  //	return GetMetafilePict(*pFE, *pSTM);
+				  default:
+            break;
+        } //switch
+      } // if
+      NS_RELEASE(df);
+    }
+    NS_RELEASE(supports);
+    dfInx++;
+  } // while
+
+	return ResultFromScode(DATA_E_FORMATETC);
+}
+
+
+STDMETHODIMP nsDataObj::GetDataHere(LPFORMATETC pFE, LPSTGMEDIUM pSTM)
+{
+	//if (m_dragDrop) {
+	//	return m_dragDrop->GetDataHere(pFE, pSTM);
+	//} else {
+		return ResultFromScode(E_FAIL);
+	//}
+}
+
+
+STDMETHODIMP nsDataObj::QueryGetData(LPFORMATETC pFE)
+{
+	//if (m_dragDrop) {
+	//	return m_dragDrop->QueryGetData(pFE);
+	//} else {
+		return ResultFromScode(E_FAIL);
+	//}
+}
+
+STDMETHODIMP nsDataObj::GetCanonicalFormatEtc
+	 (LPFORMATETC pFEIn, LPFORMATETC pFEOut)
+{
+	//if (m_dragDrop) {
+	//	return m_dragDrop->GetCanonicalFormatEtc(pFEIn, pFEOut);
+	//} else {
+		return ResultFromScode(E_FAIL);
+	//}
+}
+
+
+STDMETHODIMP nsDataObj::SetData(LPFORMATETC pFE, LPSTGMEDIUM pSTM, BOOL fRelease)
+{
+  return ResultFromScode(E_FAIL);
+	//return m_dragDrop->SetData(pFE, pSTM, fRelease);
+}
+
+
+STDMETHODIMP nsDataObj::EnumFormatEtc(DWORD dwDir, LPENUMFORMATETC *ppEnum)
+{
+
+  switch (dwDir) {
+    case DATADIR_GET: {
+       m_enumFE->Clone(ppEnum);
+    } break;
+    case DATADIR_SET:
+        *ppEnum=NULL;
+        break;
+    default:
+        *ppEnum=NULL;
+        break;
+  } // switch
+  if (NULL==*ppEnum)
+    return ResultFromScode(E_FAIL);
+  else
+    (*ppEnum)->AddRef();
+
+  return NOERROR;
+
+}
+
+STDMETHODIMP nsDataObj::DAdvise(LPFORMATETC pFE, DWORD dwFlags,
+										  LPADVISESINK pIAdviseSink, DWORD* pdwConn)
+{
+	return ResultFromScode(E_FAIL);
+}
+
+
+STDMETHODIMP nsDataObj::DUnadvise(DWORD dwConn)
+{
+	return ResultFromScode(E_FAIL);
+}
+
+STDMETHODIMP nsDataObj::EnumDAdvise(LPENUMSTATDATA *ppEnum)
+{
+	return ResultFromScode(E_FAIL);
+}
+
+// other methods
+
+ULONG nsDataObj::GetCumRefCount()
+{
+	return g_cRef;
+}
+
+ULONG nsDataObj::GetRefCount() const
+{
+	return m_cRef;
+}
+
+// GetData and SetData helper functions
+
+HRESULT nsDataObj::AddSetFormat(FORMATETC& aFE)
+{
+  //m_setFormats[m_numSetFormats++] = aFE;
+	return ResultFromScode(S_OK);
+}
+
+HRESULT nsDataObj::AddGetFormat(FORMATETC& aFE)
+{
+  //m_getFormats[m_numGetFormats++] = aFE;
+
+	return ResultFromScode(S_OK);
+}
+
+HRESULT nsDataObj::GetBitmap(FORMATETC&, STGMEDIUM&)
+{
+	return ResultFromScode(E_NOTIMPL);
+}
+
+HRESULT nsDataObj::GetDib(FORMATETC&, STGMEDIUM&)
+{
+	return ResultFromScode(E_NOTIMPL);
+}
+
+HRESULT nsDataObj::GetText(nsIDataFlavor * aDF, FORMATETC& aFE, STGMEDIUM& aSTG)
+{
+  char     * data;
+  PRUint32   len;
+
+  // NOTE: Transferable keeps ownership of the memory
+  mTransferable->GetTransferData(aDF, (void **)&data, &len);
+  if (0 == len) {
+	  return ResultFromScode(E_FAIL);
+  }
+
+  HGLOBAL     hGlobalMemory = NULL;
+  PSTR        pGlobalMemory = NULL;
+
+  aSTG.tymed          = TYMED_HGLOBAL;
+  aSTG.pUnkForRelease = NULL;
+
+  // Copy text to Global Memory Area
+  hGlobalMemory = (HGLOBAL)::GlobalAlloc(GHND, (DWORD)len);
+  if (hGlobalMemory != NULL) {
+    pGlobalMemory = (PSTR)::GlobalLock(hGlobalMemory);
+
+    // need to use memcpy here
+    char* s = data;
+    PRUint32 inx;
+    for (inx=0; inx < len; inx++) {
+	    *pGlobalMemory++ = *s++;
+    }
+
+    // Put data on Clipboard
+    GlobalUnlock(hGlobalMemory);
+  }
+
+  aSTG.hGlobal = hGlobalMemory;
+
+	return ResultFromScode(S_OK);
+}
+
+HRESULT nsDataObj::GetMetafilePict(FORMATETC&, STGMEDIUM&)
+{
+	return ResultFromScode(E_NOTIMPL);
+}
+
+HRESULT nsDataObj::SetBitmap(FORMATETC&, STGMEDIUM&)
+{
+	return ResultFromScode(E_NOTIMPL);
+}
+HRESULT nsDataObj::SetDib   (FORMATETC&, STGMEDIUM&)
+{
+	return ResultFromScode(E_FAIL);
+}
+
+HRESULT nsDataObj::SetText  (FORMATETC& aFE, STGMEDIUM& aSTG)
+{
+  if (aFE.cfFormat == CF_TEXT && aFE.tymed ==  TYMED_HGLOBAL) {
+		HGLOBAL hString = (HGLOBAL)aSTG.hGlobal;
+		if(hString == NULL)
+			return(FALSE);
+
+		// get a pointer to the actual bytes
+		char *  pString = (char *) GlobalLock(hString);    
+		if(!pString)
+			return(FALSE);
+
+		//tmpUrl = XP_STRDUP(pString);
+
+		GlobalUnlock(hString);
+    nsAutoString str(pString);
+
+    /*  nsEventStatus status;
+      nsDragDropEvent event;
+      ((nsWindow *)mWindow)->InitEvent(event, NS_DRAGDROP_EVENT);
+      event.mType      = nsDragDropEventStatus_eDrop;
+      event.mIsFileURL = PR_FALSE;
+      event.mURL       = (PRUnichar *)str.GetUnicode();          
+      mWindow->DispatchEvent(&event, status);
+      */
+    /*typedef struct tagKBDEV {
+    WORD	vkCode;
+    WORD	scanCode;
+    DWORD	flags;
+    DWORD	time;
+    DWORD	dwExtraInfo;
+    } KBDEV, FAR *LPKBDEV, *PKBDEV;
+    
+    KBDEV kbDev[1];
+    for (int i=0;i<strlen(pString);i++) {
+      kbDev.vkCode = VkKeyScan(pString[i]);
+      kbDev.scanCode = OemKeyScan(pString[i]);
+      kbDev.flags = 0;
+      KeyboardEventEx(&kbDev, 1, sizeof(KBDEV), KEYF_IGNORETIME);
+      kbDev.flags = KEYEVENTF_KEYUP;
+      KeyboardEventEx(&kbDev, 1, sizeof(KBDEV), KEYF_IGNORETIME);
+    }*/
+  }
+	return ResultFromScode(E_FAIL);
+}
+
+HRESULT nsDataObj::SetMetafilePict (FORMATETC&, STGMEDIUM&)
+{
+	return ResultFromScode(E_FAIL);
+}
+
+
+
+CLSID nsDataObj::GetClassID() const
+{
+	return CLSID_nsDataObj;
+}
+
+/**
+  * Registers a the DataFlavor/FE pair
+  *
+  */
+void nsDataObj::AddDataFlavor(nsIDataFlavor * aDataFlavor, LPFORMATETC aFE)
+{
+  // These two lists are the mapping to and from data flavors and FEs
+  // Later, OLE will tell us it's needs a certain type of FORMATETC (text, unicode, etc)
+  // so we will look up data flavor that corresponds to the FE
+  // and then ask the transferable for that type of data
+  mDataFlavors->AppendElement(aDataFlavor);
+  m_enumFE->AddFE(aFE);
+
+}
+
+/**
+  * Sets the transferable object
+  *
+  */
+void nsDataObj::SetTransferable(nsITransferable * aTransferable)
+{
+  if (nsnull != mTransferable) {
+    NS_RELEASE(mTransferable);
+  }
+  mTransferable = aTransferable;
+  if (nsnull == mTransferable) {
+    return;
+  }
+
+  NS_ADDREF(mTransferable);
+
+  return;
+}

widget/src/windows/nsDataObj.h

@@ -0,0 +1,180 @@
+/*Copyright Notice ===============================================*
+	This file contains proprietary information of Digital Style
+	Corporation. Copying or reproducing without prior written
+	approval is prohibited.
+                                       
+	Copyright (c) 1995           
+	Digital Style Corporation
+	16885 Via Del Campo Court #202
+	San Diego, CA 92127
+	(619)-673-5050
+
+ *Copyright Notice ===============================================*/
+#ifndef _NSDATAOBJ_H_
+#define _NSDATAOBJ_H_
+
+#include "OLEIDL.H"
+
+#include "Ddforw.h"
+#include "nsString.h"
+
+#define MAX_FORMATS 32
+
+class nsIDataFlavor;
+class nsISupportsArray;
+class CEnumFormatEtc;
+class nsITransferable;
+
+/*
+ * nsDataObjClassFactory - the class factory for nsDataObj objects.
+ */
+class nsDataObjClassFactory : public IClassFactory
+{
+	public: // construction, destruction
+		nsDataObjClassFactory();
+		~nsDataObjClassFactory();
+
+	public: // IUnknown methods - see iunknown.h for documentation
+		STDMETHODIMP_(ULONG) AddRef        ();
+		STDMETHODIMP         QueryInterface(REFIID, void**);
+		STDMETHODIMP_(ULONG) Release       ();
+
+	public: // IClassFactory methods
+
+		// Create an object of this factory with interface refIID and store
+		// the interface pointer in iface. pUnkOuter is not used in this
+		// implmentation, but in general if it were not NULL, it would reference
+		// the controlling IUnknown allowing iface to be used in aggregation.
+		// Return NOERROR if successful, E_NOINTERFACE if refIID cannot be supported.
+		// This factory only supports a refIID of IID_IUnknown.
+		STDMETHODIMP CreateInstance(LPUNKNOWN pUnkOuter, REFIID refIID, void** iface);
+
+		// Increment or decrement the lock count of the server controlling this
+		// factory depending on whether increment is TRUE or FALSE. When the lock
+		// count is 0 and the reference count (cumulative total of ref counts of
+		// all objects created by this factory) is 0, the factory object is deleted,
+		// and a call to DllCanUnloadNow() will return TRUE.
+		STDMETHODIMP LockServer (BOOL increment);
+
+	protected:
+		static ULONG g_cLock; // lock server count
+		ULONG        m_cRef;  // ref count
+};
+
+/*
+ * This ole registered class is used to facilitate drag-drop of objects which
+ * can be adapted by an object derived from CfDragDrop. The CfDragDrop is
+ * associated with instances via SetDragDrop().
+ */
+class nsDataObj : public IDataObject
+{
+	public: // construction, destruction
+		nsDataObj();
+		~nsDataObj();
+
+	public: // IUnknown methods - see iunknown.h for documentation
+		STDMETHODIMP_(ULONG) AddRef        ();
+		STDMETHODIMP 			QueryInterface(REFIID, void**);
+		STDMETHODIMP_(ULONG) Release       ();
+
+	public: // DataGet and DataSet helper methods
+		virtual HRESULT AddSetFormat(FORMATETC&  FE);
+		virtual HRESULT AddGetFormat(FORMATETC&  FE);
+
+		virtual HRESULT GetBitmap(FORMATETC&  FE, STGMEDIUM&  STM);
+		virtual HRESULT GetDib   (FORMATETC&  FE, STGMEDIUM&  STM);
+		virtual HRESULT GetMetafilePict(FORMATETC&  FE, STGMEDIUM&  STM);
+
+		virtual HRESULT SetBitmap(FORMATETC&  FE, STGMEDIUM&  STM);
+		virtual HRESULT SetDib   (FORMATETC&  FE, STGMEDIUM&  STM);
+		virtual HRESULT SetText  (FORMATETC&  FE, STGMEDIUM&  STM);
+		virtual HRESULT SetMetafilePict(FORMATETC&  FE, STGMEDIUM&  STM);
+
+    // support for clipboard
+    void AddDataFlavor(nsIDataFlavor * aDataFlavor, LPFORMATETC aFE);
+    void SetTransferable(nsITransferable * aTransferable);
+
+		virtual HRESULT GetText(nsIDataFlavor * aDF, FORMATETC&  FE, STGMEDIUM&  STM);
+
+		// Return the registered OLE class ID of this object's CfDataObj.
+		CLSID GetClassID() const;
+
+	public: // IDataObject methods - these are general comments. see CfDragDrop
+			  // for overriding behavior
+
+		// Store data in pSTM according to the format specified by pFE, if the
+		// format is supported (supported formats are specified in CfDragDrop::
+		// GetFormats) and return NOERROR; otherwise return DATA_E_FORMATETC. It
+		// is the callers responsibility to free pSTM if NOERROR is returned.
+		STDMETHODIMP GetData	(LPFORMATETC pFE, LPSTGMEDIUM pSTM);
+
+		// Similar to GetData except that the caller allocates the structure
+		// referenced by pSTM.
+		STDMETHODIMP GetDataHere (LPFORMATETC pFE, LPSTGMEDIUM pSTM);
+
+		// Returns S_TRUE if this object supports the format specified by pSTM,
+		// S_FALSE otherwise.
+		STDMETHODIMP QueryGetData (LPFORMATETC pFE);
+
+		// Set pCanonFE to the cannonical format of pFE if one exists and return
+		// NOERROR, otherwise return DATA_S_SAMEFORMATETC. A cannonical format
+		// implies an identical rendering.
+		STDMETHODIMP GetCanonicalFormatEtc (LPFORMATETC pFE, LPFORMATETC pCanonFE);
+
+		// Set this objects data according to the format specified by pFE and
+		// the storage medium specified by pSTM and return NOERROR, if the format
+		// is supported. If release is TRUE this object must release the storage
+		// associated with pSTM.
+		STDMETHODIMP SetData	(LPFORMATETC pFE, LPSTGMEDIUM pSTM, BOOL release);
+
+		// Set ppEnum to an IEnumFORMATETC object which will iterate all of the
+		// data formats that this object supports. direction is either DATADIR_GET
+		// or DATADIR_SET.
+		STDMETHODIMP EnumFormatEtc	(DWORD direction, LPENUMFORMATETC* ppEnum);
+
+		// Set up an advisory connection to this object based on the format specified
+		// by pFE, flags, and the pAdvise. Set pConn to the established advise
+		// connection.
+		STDMETHODIMP DAdvise	(LPFORMATETC pFE, DWORD flags, LPADVISESINK pAdvise,
+									 DWORD* pConn);
+
+		// Turn off advising of a previous call to DAdvise which set pConn.
+		STDMETHODIMP DUnadvise (DWORD pConn);
+
+		// Set ppEnum to an IEnumSTATDATA object which will iterate over the
+		// existing objects which have established advisory connections to this
+      // object.
+		STDMETHODIMP EnumDAdvise (LPENUMSTATDATA *ppEnum);
+
+	public: // other methods
+
+		// Set the adapter to dragDrop 
+		//void SetDragDrop(CfDragDrop& dragDrop);
+
+		// Return the adapter
+		//CfDragDrop& GetDragDrop() const;
+
+		// Return the total reference counts of all instances of this class.
+		static ULONG GetCumRefCount();
+
+		// Return the reference count (which helps determine if another app has
+		// released the interface pointer after a drop).
+		ULONG GetRefCount() const;
+
+	protected:
+    nsString mStringData;
+
+    BOOL FormatsMatch(const FORMATETC& source, const FORMATETC& target) const;
+
+   	static ULONG g_cRef;         // the cum reference count of all instances
+		ULONG        m_cRef;         // the reference count
+		//CfDragDrop*  m_dragDrop;     // the adapter which provides the behavior
+
+    nsISupportsArray * mDataFlavors;
+    CEnumFormatEtc   * m_enumFE;
+
+    nsITransferable * mTransferable;
+};
+
+
+#endif  //

widget/src/windows/nsDragService.cpp

@@ -0,0 +1,103 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsDragService.h"
+#include "nsIDragSource.h"
+#include "nsITransferable.h"
+#include "nsDragSource.h"
+#include "nsDataObj.h"
+#include "nsTransferable.h"
+
+#include "OLEIDL.h"
+#include "OLE2.h"
+
+static NS_DEFINE_IID(kIDragServiceIID,   NS_IDRAGSERVICE_IID);
+
+NS_IMPL_ADDREF(nsDragService)
+NS_IMPL_RELEASE(nsDragService)
+
+//-------------------------------------------------------------------------
+//
+// DragService constructor
+//
+//-------------------------------------------------------------------------
+nsDragService::nsDragService()
+{
+  NS_INIT_REFCNT();
+  mDragSource  = nsnull;
+
+}
+
+//-------------------------------------------------------------------------
+//
+// DragService destructor
+//
+//-------------------------------------------------------------------------
+nsDragService::~nsDragService()
+{
+  NS_IF_RELEASE(mDragSource);
+}
+
+/**
+ * @param aIID The name of the class implementing the method
+ * @param _classiiddef The name of the #define symbol that defines the IID
+ * for the class (e.g. NS_ISUPPORTS_IID)
+ * 
+*/ 
+nsresult nsDragService::QueryInterface(const nsIID& aIID, void** aInstancePtr)
+{
+
+  if (NULL == aInstancePtr) {
+    return NS_ERROR_NULL_POINTER;
+  }
+
+  nsresult rv = NS_NOINTERFACE;
+
+  if (aIID.Equals(kIDragServiceIID)) {
+    *aInstancePtr = (void*) ((nsIDragService*)this);
+    NS_ADDREF_THIS();
+    return NS_OK;
+  }
+
+  return rv;
+}
+
+
+NS_IMETHODIMP nsDragService::StartDragSession (nsIDragSource * aDragSrc, 
+                                           nsPoint       * aStartLocation, 
+                                           nsPoint       * aImageOffset, 
+                                           nsIImage      * aImage, 
+                                           PRBool          aDoFlyback)
+
+{
+  NS_IF_RELEASE(mDragSource);
+  mDragSource = aDragSrc;
+  NS_ADDREF(mDragSource);
+
+  nsITransferable * trans;
+  mDragSource->GetTransferable(&trans);
+  nsDataObj * dataObj = ((nsTransferable *)trans)->GetDataObj();
+        
+  DWORD dropRes;
+  HRESULT res = 0;
+  res = ::DoDragDrop((IDataObject*)dataObj,
+                     (IDropSource *)((nsDragSource *)mDragSource)->GetNativeDragSrc(), 
+                     DROPEFFECT_COPY | DROPEFFECT_MOVE | DROPEFFECT_SCROLL, &dropRes);
+  return NS_OK;
+}
+

widget/src/windows/nsDragService.h

@@ -0,0 +1,64 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#ifndef nsDragService_h__
+#define nsDragService_h__
+
+#include "nsIDragService.h"
+#include "nsPoint.h"
+#include "nsIImage.h"
+
+#include <OLE2.h>
+#include "OLEIDL.H"
+
+class nsIDragSource;
+class nsDataObj;
+
+#define MAX_FORMATS 32
+
+/**
+ * Native Win32 DragService wrapper
+ */
+
+class nsDragService : public nsIDragService
+{
+
+public:
+  nsDragService();
+  virtual ~nsDragService();
+
+  //nsISupports
+  NS_DECL_ISUPPORTS
+  
+  //nsIDragService
+  NS_IMETHOD StartDragSession (nsIDragSource * aDragSrc, 
+                               nsPoint       * aStartLocation, 
+                               nsPoint       * aImageOffset, 
+                               nsIImage      * aImage, 
+                               PRBool          aDoFlyback);
+
+
+
+protected:
+
+  nsIDragSource * mDragSource;
+  //nsDataObj * mDataObj;
+
+};
+
+#endif // nsDragService_h__

widget/src/windows/nsDragSource.cpp

@@ -0,0 +1,103 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsDragSource.h"
+#include "nsITransferable.h"
+#include "DROPSRC.h"
+
+
+static NS_DEFINE_IID(kIDragSourceIID,   NS_IDRAGSOURCE_IID);
+
+NS_IMPL_ADDREF(nsDragSource)
+NS_IMPL_RELEASE(nsDragSource)
+
+//-------------------------------------------------------------------------
+//
+// DragSource constructor
+//
+//-------------------------------------------------------------------------
+nsDragSource::nsDragSource()
+{
+  NS_INIT_REFCNT();
+
+  //mNativeDragSrc = new CfDropSource(this);
+  //mNativeDragSrc->AddRef();
+
+  mTransferable = nsnull;
+
+}
+
+//-------------------------------------------------------------------------
+//
+// DragSource destructor
+//
+//-------------------------------------------------------------------------
+nsDragSource::~nsDragSource()
+{
+  //mNativeDragSrc->Release();
+}
+
+/**
+ * @param aIID The name of the class implementing the method
+ * @param _classiiddef The name of the #define symbol that defines the IID
+ * for the class (e.g. NS_ISUPPORTS_IID)
+ * 
+*/ 
+nsresult nsDragSource::QueryInterface(const nsIID& aIID, void** aInstancePtr)
+{
+
+  if (NULL == aInstancePtr) {
+    return NS_ERROR_NULL_POINTER;
+  }
+
+  nsresult rv = NS_NOINTERFACE;
+
+  if (aIID.Equals(kIDragSourceIID)) {
+    *aInstancePtr = (void*) ((nsIDragSource*)this);
+    NS_ADDREF_THIS();
+    return NS_OK;
+  }
+
+  return rv;
+}
+
+
+NS_IMETHODIMP nsDragSource::GetTransferable(nsITransferable ** aTransferable)
+{
+  if (nsnull != mTransferable) {
+    *aTransferable = mTransferable;
+    NS_ADDREF(mTransferable);
+  } else {
+    aTransferable = nsnull;
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsDragSource::SetTransferable(nsITransferable * aTransferable)
+{
+  NS_IF_RELEASE(mTransferable);
+  mTransferable = aTransferable;
+  NS_ADDREF(mTransferable);
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsDragSource:: DragStopped(nsIDraggedObject * aDraggedObj, PRInt32 anAction)
+{
+  return NS_OK;
+}
+

widget/src/windows/nsDragSource.h

@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#ifndef nsDragSource_h__
+#define nsDragSource_h__
+
+#include "nsIDragSource.h"
+
+//#include <OLE2.h>
+//#include "OLEIDL.H"
+
+class nsITransferable;
+class CfDropSource;
+
+/**
+ * Native Win32 DragSource wrapper
+ */
+
+class nsDragSource : public nsIDragSource
+{
+
+public:
+  nsDragSource();
+  virtual ~nsDragSource();
+
+  //nsISupports
+  NS_DECL_ISUPPORTS
+  
+  //nsIDragSource
+  NS_IMETHOD GetTransferable(nsITransferable ** aTransferable);
+  NS_IMETHOD SetTransferable(nsITransferable * aTransferable);
+  NS_IMETHOD DragStopped(nsIDraggedObject * aDraggedObj, PRInt32 anAction);
+
+
+  CfDropSource * GetNativeDragSrc() { return mNativeDragSrc; } // XXX this needs to be moved into impl
+
+protected:
+
+  nsITransferable * mTransferable;
+
+  CfDropSource * mNativeDragSrc;
+
+};
+
+#endif // nsDragSource_h__

widget/src/windows/nsDragTarget.cpp

@@ -0,0 +1,90 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsDragTarget.h"
+#include "nsIDraggedObject.h"
+
+static NS_DEFINE_IID(kIDragTargetIID,   NS_IDRAGTARGET_IID);
+
+NS_IMPL_ADDREF(nsDragTarget)
+NS_IMPL_RELEASE(nsDragTarget)
+
+//-------------------------------------------------------------------------
+//
+// DragTarget constructor
+//
+//-------------------------------------------------------------------------
+nsDragTarget::nsDragTarget()
+{
+  NS_INIT_REFCNT();
+
+}
+
+//-------------------------------------------------------------------------
+//
+// DragTarget destructor
+//
+//-------------------------------------------------------------------------
+nsDragTarget::~nsDragTarget()
+{
+}
+
+/**
+ * @param aIID The name of the class implementing the method
+ * @param _classiiddef The name of the #define symbol that defines the IID
+ * for the class (e.g. NS_ISUPPORTS_IID)
+ * 
+*/ 
+nsresult nsDragTarget::QueryInterface(const nsIID& aIID, void** aInstancePtr)
+{
+
+  if (NULL == aInstancePtr) {
+    return NS_ERROR_NULL_POINTER;
+  }
+
+  nsresult rv = NS_NOINTERFACE;
+
+  if (aIID.Equals(kIDragTargetIID)) {
+    *aInstancePtr = (void*) ((nsIDragTarget*)this);
+    NS_ADDREF_THIS();
+    return NS_OK;
+  }
+
+  return rv;
+}
+
+
+NS_IMETHODIMP nsDragTarget::DragEnter(nsIDraggedObject * aDraggedObj, nsPoint * aLocation)
+{
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsDragTarget::DragOver(nsIDraggedObject * aDraggedObj, nsPoint * aLocation)
+{
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsDragTarget::DragExit(nsIDraggedObject * aDraggedObj, nsPoint * aLocation)
+{
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsDragTarget::DragDrop(nsIDraggedObject * aDraggedObj, PRInt32 aActions)
+{
+  return NS_OK;
+}

widget/src/windows/nsDragTarget.h

@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#ifndef nsDragTarget_h__
+#define nsDragTarget_h__
+
+#include "nsIDragTarget.h"
+#include "nsPoint.h"
+
+#include <OLE2.h>
+#include "OLEIDL.H"
+
+class nsIDraggedObject;
+
+/**
+ * Native Win32 DragTarget wrapper
+ */
+
+class nsDragTarget : public nsIDragTarget
+{
+
+public:
+  nsDragTarget();
+  virtual ~nsDragTarget();
+
+  //nsISupports
+  NS_DECL_ISUPPORTS
+  
+  //nsIDragTarget
+  NS_IMETHOD DragEnter(nsIDraggedObject * aDraggedObj, nsPoint * aLocation);
+
+  NS_IMETHOD DragOver(nsIDraggedObject * aDraggedObj, nsPoint * aLocation);
+  NS_IMETHOD DragExit(nsIDraggedObject * aDraggedObj, nsPoint * aLocation);
+  NS_IMETHOD DragDrop(nsIDraggedObject * aDraggedObj, PRInt32 aActions);
+
+
+
+protected:
+
+
+};
+
+#endif // nsDragTarget_h__

widget/src/windows/nsDraggedObject.cpp

@@ -0,0 +1,96 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsDraggedObject.h"
+#include "nsIDraggedObject.h"
+
+static NS_DEFINE_IID(kIDraggedObjectIID,   NS_IDRAGGEDOBJECT_IID);
+
+NS_IMPL_ADDREF(nsDraggedObject)
+NS_IMPL_RELEASE(nsDraggedObject)
+
+//-------------------------------------------------------------------------
+//
+// DraggedObject constructor
+//
+//-------------------------------------------------------------------------
+nsDraggedObject::nsDraggedObject()
+{
+  NS_INIT_REFCNT();
+
+}
+
+//-------------------------------------------------------------------------
+//
+// DraggedObject destructor
+//
+//-------------------------------------------------------------------------
+nsDraggedObject::~nsDraggedObject()
+{
+}
+
+/**
+ * @param aIID The name of the class implementing the method
+ * @param _classiiddef The name of the #define symbol that defines the IID
+ * for the class (e.g. NS_ISUPPORTS_IID)
+ * 
+*/ 
+nsresult nsDraggedObject::QueryInterface(const nsIID& aIID, void** aInstancePtr)
+{
+
+  if (NULL == aInstancePtr) {
+    return NS_ERROR_NULL_POINTER;
+  }
+
+  nsresult rv = NS_NOINTERFACE;
+
+  if (aIID.Equals(kIDraggedObjectIID)) {
+    *aInstancePtr = (void*) ((nsIDraggedObject*)this);
+    NS_ADDREF_THIS();
+    return NS_OK;
+  }
+
+  return rv;
+}
+
+
+NS_IMETHODIMP nsDraggedObject::GetDragOffset(nscoord * aX, nscoord * aY)
+{
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsDraggedObject::GetTransferable(nsITransferable ** aTransferable)
+{
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsDraggedObject::GetSource(nsIDragSource ** aDragSrc)
+{
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsDraggedObject::GetTarget(nsIDragTarget ** aTarget)
+{
+  return NS_OK;
+}
+
+NS_IMETHODIMP nsDraggedObject::GetTargetnFrame(nsIFrame ** aFrame)
+{
+  return NS_OK;
+}
+

widget/src/windows/nsDraggedObject.h

@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#ifndef nsDraggedObject_h__
+#define nsDraggedObject_h__
+
+#include "nsIDraggedObject.h"
+#include "nsPoint.h"
+
+#include <OLE2.h>
+#include "OLEIDL.H"
+
+class nsIDraggedObject;
+
+/**
+ * Native Win32 DraggedObject wrapper
+ */
+
+class nsDraggedObject : public nsIDraggedObject
+{
+
+public:
+  nsDraggedObject();
+  virtual ~nsDraggedObject();
+
+  //nsISupports
+  NS_DECL_ISUPPORTS
+  
+  //nsIDraggedObject
+  NS_IMETHOD GetDragOffset(nscoord * aX, nscoord * aY);
+  NS_IMETHOD GetTransferable(nsITransferable ** aTransferable);
+  NS_IMETHOD GetSource(nsIDragSource ** aDragSrc);
+  NS_IMETHOD GetTarget(nsIDragTarget ** aTarget); 
+  NS_IMETHOD GetTargetnFrame(nsIFrame ** aFrame); 
+
+
+
+protected:
+
+
+};
+
+#endif // nsDraggedObject_h__

widget/src/windows/nsTransferable.cpp

@@ -0,0 +1,360 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#include "nsTransferable.h"
+#include "nsIDataFlavor.h"
+#include "nsDataFlavor.h"
+#include "nsWidgetsCID.h"
+#include "nsISupportsArray.h"
+#include "nsRepository.h"
+
+#include "nsDataObj.h"
+
+#include "DDCOMM.h"
+
+static NS_DEFINE_IID(kITransferableIID,  NS_ITRANSFERABLE_IID);
+static NS_DEFINE_IID(kIDataFlavorIID,    NS_IDATAFLAVOR_IID);
+static NS_DEFINE_IID(kCDataFlavorCID,    NS_DATAFLAVOR_CID);
+
+NS_IMPL_ADDREF(nsTransferable)
+NS_IMPL_RELEASE(nsTransferable)
+
+//-------------------------------------------------------------------------
+//
+// Transferable constructor
+//
+//-------------------------------------------------------------------------
+nsTransferable::nsTransferable()
+{
+  NS_INIT_REFCNT();
+  mDataObj  = nsnull;
+  mStrCache = nsnull;
+  mDataPtr  = nsnull;
+
+  nsresult rv = NS_NewISupportsArray(&mDFList);
+
+}
+
+//-------------------------------------------------------------------------
+//
+// Transferable destructor
+//
+//-------------------------------------------------------------------------
+nsTransferable::~nsTransferable()
+{
+  if (mStrCache) {
+    delete mStrCache;
+  }
+  if (mDataPtr) {
+    delete mDataPtr;
+  }
+  
+}
+
+/**
+ * @param aIID The name of the class implementing the method
+ * @param _classiiddef The name of the #define symbol that defines the IID
+ * for the class (e.g. NS_ISUPPORTS_IID)
+ * 
+*/ 
+nsresult nsTransferable::QueryInterface(const nsIID& aIID, void** aInstancePtr)
+{
+
+  if (NULL == aInstancePtr) {
+    return NS_ERROR_NULL_POINTER;
+  }
+
+  nsresult rv = NS_NOINTERFACE;
+
+  if (aIID.Equals(kITransferableIID)) {
+    *aInstancePtr = (void*) ((nsITransferable*)this);
+    NS_ADDREF_THIS();
+    return NS_OK;
+  }
+
+  return rv;
+}
+
+
+/**
+  * 
+  *
+  */
+NS_IMETHODIMP nsTransferable::GetTransferDataFlavors(nsISupportsArray ** aDataFlavorList)
+{
+  *aDataFlavorList = mDFList;
+  NS_ADDREF(mDFList);
+  return NS_OK;
+}
+
+/**
+  * 
+  *
+  */
+NS_IMETHODIMP nsTransferable::IsDataFlavorSupported(nsIDataFlavor * aDataFlavor)
+{
+  nsAutoString  mimeInQuestion;
+  aDataFlavor->GetMimeType(mimeInQuestion);
+
+  PRUint32 i;
+  for (i=0;i<mDFList->Count();i++) {
+    nsIDataFlavor * df;
+    nsISupports * supports = mDFList->ElementAt(i);
+    if (NS_OK == supports->QueryInterface(kIDataFlavorIID, (void **)&df)) {
+      nsAutoString mime;
+      df->GetMimeType(mime);
+      if (mimeInQuestion.Equals(mime)) {
+        return NS_OK;
+      }
+      NS_RELEASE(df);
+    }
+    NS_RELEASE(supports);
+  }
+  return NS_ERROR_FAILURE;
+}
+
+/**
+  * 
+  *
+  */
+NS_IMETHODIMP nsTransferable::GetTransferData(nsIDataFlavor * aDataFlavor, void ** aData, PRUint32 * aDataLen)
+{
+  if (mDataPtr) {
+    delete mDataPtr;
+  }
+
+  nsAutoString  mimeInQuestion;
+  aDataFlavor->GetMimeType(mimeInQuestion);
+
+  if (mimeInQuestion.Equals(kTextMime)) {
+    char * str = mStrCache->ToNewCString();
+    *aDataLen = mStrCache->Length()+1;
+
+    mDataPtr = (void *)str;
+    *aData = mDataPtr; 
+    //mDataPtr = (void *)new char[*aDataLen];
+    //memcpy(*mDataPtr, str, *aDataLen);
+    //delete[] str;
+
+  } else if (mimeInQuestion.Equals(kHTMLMime)) {
+
+  }
+
+  return NS_OK;
+}
+
+/**
+  * 
+  *
+  */
+NS_IMETHODIMP nsTransferable::SetTransferData(nsIDataFlavor * aDataFlavor, void * aData, PRUint32 aDataLen)
+{
+  nsAutoString  mimeInQuestion;
+  aDataFlavor->GetMimeType(mimeInQuestion);
+
+  if (mimeInQuestion.Equals(kTextMime)) {
+    if (nsnull == mStrCache) {
+      mStrCache = new nsString();
+    }
+    mStrCache->SetString((char *)aData, aDataLen-1);
+  } else if (mimeInQuestion.Equals(kHTMLMime)) {
+
+  }
+
+  return NS_OK;
+}
+
+/**
+  * 
+  *
+  */
+NS_IMETHODIMP nsTransferable::SetTransferString(const nsString & aStr)
+{
+  if (!mStrCache) {
+    mStrCache = new nsString(aStr);
+  } else {
+    *mStrCache = aStr;
+  }
+
+  return NS_OK;
+}
+
+/**
+  * 
+  *
+  */
+NS_IMETHODIMP nsTransferable::GetTransferString(nsString & aStr)
+{
+  if (!mStrCache) {
+    mStrCache = new nsString();
+  }
+  aStr = *mStrCache;
+
+  return NS_OK;
+}
+
+#if 0
+static void PlaceStringOnClipboard(PRUint32 aFormat, char* aData, int aLength)
+{
+  HGLOBAL     hGlobalMemory;
+  PSTR        pGlobalMemory;
+
+  PRInt32 size = aLength + 1;
+
+  if (aLength) {
+    // Copy text to Global Memory Area
+    hGlobalMemory = (HGLOBAL)::GlobalAlloc(GHND, size);
+    if (hGlobalMemory != NULL) {
+      pGlobalMemory = (PSTR) ::GlobalLock(hGlobalMemory);
+
+      int i;
+
+      char * s  = aData;
+      PRInt32 len = aLength;
+      for (i=0;i< len;i++) {
+	      *pGlobalMemory++ = *s++;
+      }
+
+      // Put data on Clipboard
+      ::GlobalUnlock(hGlobalMemory);
+      ::SetClipboardData(aFormat, hGlobalMemory);
+    }
+  }  
+}
+#endif
+
+/**
+  * 
+  *
+  */
+NS_IMETHODIMP nsTransferable::SetNativeClipboard()
+{
+#if 0
+  ::OleFlushClipboard();
+
+  if (!mStrCache) {
+    return NS_OK;
+  }
+
+  char * str = mStrCache->ToNewCString();
+#if 0
+  ::OpenClipboard(NULL);
+  ::EmptyClipboard();
+	
+  PlaceStringOnClipboard(CF_TEXT, str, mStrCache->Length());
+			
+  ::CloseClipboard();
+#else 
+
+  if (mDataObj) {
+    mDataObj->Release();
+  }
+
+  	// make the IDataObject
+  /*IDataObject * dataObj = NULL;
+  
+  IClassFactory * pCF    = NULL;
+
+  HRESULT hr = ::CoGetClassObject(CLSID_CfDataObj, CLSCTX_INPROC_SERVER, NULL, IID_IClassFactory, (void **)&pCF); 
+	if (REGDB_E_CLASSNOTREG == hr) {
+		return hr;
+	}
+  //hresult = pCF->CreateInstance(pUnkOuter, riid, ppvObj) 
+  pCF->Release();
+
+  HRESULT ret = ::CoCreateInstance(CLSID_CfDataObj, NULL, CLSCTX_INPROC_SERVER, IID_IDataObject, (void **)&dataObj);
+	if (REGDB_E_CLASSNOTREG == ret) {
+		//return ret;
+	}
+	if (FAILED(ret)) {
+		//return ret;
+	}*/
+
+  mDataObj = new nsDataObj();
+  mDataObj->AddRef();
+
+  mDataObj->SetText(*mStrCache);
+
+  PRUint32 i;
+  for (i=0;i<mDFList->Count();i++) {
+    nsIDataFlavor * df;
+    nsISupports * supports = mDFList->ElementAt(i);
+    if (NS_OK == supports->QueryInterface(kIDataFlavorIID, (void **)&df)) {
+      nsString mime;
+      df->GetMimeType(mime);
+      UINT format;
+      if (mime.Equals(kTextMime)) {
+        format = CF_TEXT;
+      } else {
+        char * str = mime.ToNewCString();
+        UINT format = ::RegisterClipboardFormat(str);
+        delete[] str;
+      }
+      FORMATETC fe;
+      SET_FORMATETC(fe, format, 0, DVASPECT_CONTENT, 0, TYMED_HGLOBAL);
+      mDataObj->AddDataFlavor(df, &fe);
+      NS_RELEASE(df);
+    }
+    NS_RELEASE(supports);
+  }
+
+
+  IDataObject * ido = (IDataObject *)mDataObj;
+  ::OleSetClipboard(ido);
+
+#endif
+
+  delete[] str;
+#endif
+  return NS_OK;
+}
+
+/**
+  * 
+  *
+  */
+NS_IMETHODIMP nsTransferable::AddDataFlavor(const nsString & aMimeType, const nsString & aHumanPresentableName)
+{
+  nsIDataFlavor * df;
+  nsresult rv = nsComponentManager::CreateInstance(kCDataFlavorCID, nsnull, kIDataFlavorIID, (void**) &df);
+  if (nsnull == df) {
+    return rv;
+  }
+
+  df->Init(aMimeType, aHumanPresentableName);
+  mDFList->AppendElement(df);
+  
+  /*FORMATETC fe;
+  if (aMimeType.Equals(kTextMime)) {
+    SET_FORMATETC(fe, CF_TEXT, 0, DVASPECT_CONTENT, 0, TYMED_HGLOBAL);
+    m_getFormats[m_numGetFormats++] = fe;
+
+    SET_FORMATETC(fe, CF_TEXT, 0, DVASPECT_CONTENT, 0, TYMED_HGLOBAL);
+    m_setFormats[m_numSetFormats++] = fe;
+  } else {
+    nsDataFlavor * ndf = (nsDataFlavor *)df;
+    SET_FORMATETC(fe, ndf->GetFormat(), 0, DVASPECT_CONTENT, 0, TYMED_HGLOBAL);
+    m_getFormats[m_numGetFormats++] = fe;
+
+    SET_FORMATETC(fe, ndf->GetFormat(), 0, DVASPECT_CONTENT, 0, TYMED_HGLOBAL);
+    m_setFormats[m_numSetFormats++] = fe;
+  }*/
+
+  return rv;
+}
+

widget/src/windows/nsTransferable.h

@@ -0,0 +1,69 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+
+#ifndef nsTransferable_h__
+#define nsTransferable_h__
+
+#include "nsITransferable.h"
+
+class nsISupportsArray;
+class nsIDataFlavor;
+class nsDataObj;
+
+#define MAX_FORMATS 32
+
+/**
+ * Native Win32 Transferable wrapper
+ */
+
+class nsTransferable : public nsITransferable
+{
+
+public:
+  nsTransferable();
+  virtual ~nsTransferable();
+
+  //nsISupports
+  NS_DECL_ISUPPORTS
+  
+  //nsITransferable
+  NS_IMETHOD GetTransferDataFlavors(nsISupportsArray ** aDataFlavorList);
+  NS_IMETHOD IsDataFlavorSupported(nsIDataFlavor * aFlavor);
+
+  NS_IMETHOD GetTransferData(nsIDataFlavor * aFlavor, void ** aData, PRUint32 * aDataLen);
+  NS_IMETHOD SetTransferData(nsIDataFlavor * aFlavor, void * aData, PRUint32 aDataLen);
+
+  NS_IMETHOD SetTransferString(const nsString & aStr);
+  NS_IMETHOD GetTransferString(nsString & aStr);
+
+  NS_IMETHOD AddDataFlavor(const nsString & aMimeType, const nsString & aHumanPresentableName);
+  NS_IMETHOD SetNativeClipboard();
+
+  // Used for native implementation
+  nsDataObj * GetDataObj() { return mDataObj; }
+
+protected:
+
+  nsISupportsArray * mDFList;
+  nsDataObj * mDataObj;
+
+  nsString * mStrCache;
+  void     * mDataPtr;
+};
+
+#endif // nsTransferable_h__