#97633#

4 files changed, 1214 insertions, 0 deletions

diff --git a/fpicker/source/win32/filepicker/previewadapter.cxx b/fpicker/source/win32/filepicker/previewadapter.cxx
new file mode 100644
index 000000000000..9108927786d5
--- /dev/null
+++ b/fpicker/source/win32/filepicker/previewadapter.cxx
@@ -0,0 +1,751 @@
+/*************************************************************************
+ *
+ *  $RCSfile: previewadapter.cxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: tra $ $Date: 2002-03-21 07:11:50 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _PREVIEWADAPTER_HXX_
+#include "previewadapter.hxx"
+#endif
+
+#ifndef _COM_SUN_STAR_UI_DIALOG_FILEPREVIEWIMAGEFORMATS_HPP_
+#include <com/sun/star/ui/dialogs/FilePreviewImageFormats.hpp>
+#endif
+
+#ifndef _DIBPREVIEW_HXX_
+#include "dibpreview.hxx"
+#endif
+
+#ifndef _WINIMPLHELPER_HXX_
+#include "../misc/WinImplHelper.hxx"
+#endif
+
+#include <memory>
+#include <stdexcept>
+
+//---------------------------------------------
+//
+//---------------------------------------------
+
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+
+//---------------------------------------------
+// An impl class to hide implementation details
+// from clients
+//---------------------------------------------
+
+class CPreviewAdapterImpl
+{
+public:
+    CPreviewAdapterImpl(HINSTANCE instance);
+
+    virtual ~CPreviewAdapterImpl();
+
+    virtual sal_Int32 SAL_CALL getTargetColorDepth();
+
+    virtual sal_Int32 SAL_CALL getAvailableWidth();
+
+    virtual sal_Int32 SAL_CALL getAvailableHeight();
+
+    virtual void SAL_CALL setImage( sal_Int16 aImageFormat, const Any& aImage )
+        throw (IllegalArgumentException,RuntimeException);
+
+    virtual sal_Bool SAL_CALL setShowState(sal_Bool bShowState);
+
+    virtual sal_Bool SAL_CALL getShowState();
+
+    virtual void SAL_CALL setParent(HWND parent);
+
+    virtual HWND SAL_CALL getParent();
+
+    //-------------------------------------
+    // parent notification handler
+    //-------------------------------------
+
+    virtual void SAL_CALL notifyParentShow(sal_Bool bShow);
+
+    virtual void SAL_CALL notifyParentSizeChanged();
+
+    virtual void SAL_CALL notifyParentWindowPosChanged(sal_Bool bIsVisible);
+
+protected:
+    virtual void SAL_CALL calcRightMargin();
+
+    virtual void SAL_CALL rearrangeLayout();
+
+    void SAL_CALL initializeActivePreview() throw(std::runtime_error);
+
+    HWND SAL_CALL findFileListbox() const;
+
+// member
+protected:
+    HINSTANCE                   m_Instance;
+    std::auto_ptr<PreviewBase>  m_Preview;
+    HWND                        m_FileDialog;
+    int                         m_RightMargin;
+
+//prevent copy/assignment
+private:
+    CPreviewAdapterImpl(const CPreviewAdapterImpl&);
+    CPreviewAdapterImpl& operator=(const CPreviewAdapterImpl&);
+};
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+CPreviewAdapterImpl::CPreviewAdapterImpl(HINSTANCE instance) :
+    m_Instance(instance),
+    m_Preview(new PreviewBase()), // create dummy preview (NULL-Object pattern)
+    m_FileDialog(0),
+    m_RightMargin(0)
+{
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+CPreviewAdapterImpl::~CPreviewAdapterImpl()
+{
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+sal_Int32 SAL_CALL CPreviewAdapterImpl::getTargetColorDepth()
+{
+    return m_Preview->getTargetColorDepth();
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+sal_Int32 SAL_CALL CPreviewAdapterImpl::getAvailableWidth()
+{
+    return m_Preview->getAvailableWidth();
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+sal_Int32 SAL_CALL CPreviewAdapterImpl::getAvailableHeight()
+{
+    return m_Preview->getAvailableHeight();
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+void SAL_CALL CPreviewAdapterImpl::setImage( sal_Int16 aImageFormat, const Any& aImage )
+    throw (IllegalArgumentException,RuntimeException)
+{
+    m_Preview->setImage(aImageFormat,aImage);
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+sal_Bool SAL_CALL CPreviewAdapterImpl::setShowState( sal_Bool bShowState )
+{
+    sal_Bool bRet = m_Preview->setShowState(bShowState);
+    rearrangeLayout();
+    return bRet;
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+sal_Bool SAL_CALL CPreviewAdapterImpl::getShowState()
+{
+    return m_Preview->getShowState();
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+void SAL_CALL CPreviewAdapterImpl::setParent(HWND parent)
+{
+    OSL_PRECOND(IsWindow(parent),"Invalid FileDialog handle");
+
+    m_FileDialog = parent;
+    calcRightMargin();
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+HWND SAL_CALL CPreviewAdapterImpl::getParent()
+{
+    return m_FileDialog;
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+void SAL_CALL CPreviewAdapterImpl::calcRightMargin()
+{
+    // Calculate the right reference margin
+    //
+    // Assumtions:
+    // 1. This method will be called before the dialog becomes
+    //    visible
+    // 2. There exist a FileListbox with the id lst1 even
+    //    if it is not visible like under Win2000/XP
+    // 3. Initially this FileListbox has the appropriate size
+    //    to fit within the FileListbox
+    // 4. The margin between the right edge of the FileListbox
+    //    and the right edge of the FileDialog will be constant
+    //    even if the size of the dialog changes
+
+    HWND flb = GetDlgItem(m_FileDialog,lst1);
+
+    OSL_ENSURE(IsWindow(flb),"Filelistbox not found");
+
+    RECT rcFlb;
+    GetWindowRect(flb,&rcFlb);
+
+    RECT rcFileDlg;
+    GetWindowRect(m_FileDialog,&rcFileDlg);
+
+    m_RightMargin = rcFileDlg.right - rcFlb.right;
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+void SAL_CALL CPreviewAdapterImpl::notifyParentShow(sal_Bool bShow)
+{
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+void SAL_CALL CPreviewAdapterImpl::notifyParentSizeChanged()
+{
+    rearrangeLayout();
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+void SAL_CALL CPreviewAdapterImpl::notifyParentWindowPosChanged(sal_Bool bIsVisible)
+{
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+void SAL_CALL CPreviewAdapterImpl::rearrangeLayout()
+{
+    // try to get a handle to the filelistbox
+    // if there is no new-style filelistbox like
+    // in Win2000/XP there should be at least the
+    // old listbox, so we take this one
+    // lst1 - identifies the old-style filelistbox
+    // lst2 - identifies the new-style filelistbox
+    // see dlgs.h
+    HWND flb_new = findFileListbox();
+
+    // under Windows NT 4.0 the size of the old
+    // filelistbox will be used as reference for
+    // sizing the new filelistbox, so we have
+    // to change the size of it too
+    HWND flb_old = GetDlgItem(m_FileDialog,lst1);
+
+    RECT rcFlbNew;
+    GetWindowRect(flb_new,&rcFlbNew);
+
+    RECT rcFileDlg;
+    GetWindowRect(m_FileDialog,&rcFileDlg);
+    rcFileDlg.right -= m_RightMargin;
+
+    // the available area for the filelistbox should be
+    // the left edge of the filelistbox and the right
+    // edge of the OK button, we take this as reference
+    int height = rcFlbNew.bottom - rcFlbNew.top;
+    int width  = rcFileDlg.right - rcFlbNew.left;
+
+    HWND prvwnd = m_Preview->getWindowHandle();
+
+    // we use GetWindowLong to ask for the visibility
+    // of the preview window because IsWindowVisible
+    // only returns true the specified window including
+    // its parent windows are visible
+    // this is not the case when we are called in response
+    // to the WM_SHOWWINDOW message, somehow the WS_VISIBLE
+    // style bit of the FileOpen dialog must be set after that
+    // message
+    LONG lStyle = GetWindowLongA(prvwnd,GWL_STYLE);
+    BOOL bIsVisible = (BOOL)(lStyle & WS_VISIBLE);
+
+    int cx = 0;
+
+    if (IsWindow(prvwnd) && bIsVisible)
+    {
+        cx = width/2;
+
+        // resize the filelistbox to the half of the
+        // available space
+        BOOL bRet = SetWindowPos(flb_new,
+            NULL, 0, 0, cx, height,
+            SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
+
+        bRet = SetWindowPos(flb_old,
+            NULL, 0, 0, cx, height,
+            SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
+
+        // get the new dimensions of the filelistbox after
+        // resizing and take the right,top corner as starting
+        // point for the preview window
+        GetWindowRect(flb_new,&rcFlbNew);
+        POINT pt = { rcFlbNew.right, rcFlbNew.top };
+        ScreenToClient(m_FileDialog,&pt);
+
+        // resize the preview window to fit within
+        // the available space and set the window
+        // to the top of the z-order else it will
+        // be invisible
+        SetWindowPos(prvwnd,
+            HWND_TOP, pt.x, pt.y, cx, height, SWP_NOACTIVATE);
+    }
+    else
+    {
+        // resize the filelistbox to the maximum available
+        // space
+        cx = rcFileDlg.right - rcFlbNew.left;
+
+        // resize the old filelistbox
+        SetWindowPos(flb_old,
+            NULL, 0, 0, cx, height,
+            SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
+
+        // resize the new filelistbox
+        SetWindowPos(flb_new,
+            NULL, 0, 0, cx, height,
+            SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE );
+    }
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+void SAL_CALL CPreviewAdapterImpl::initializeActivePreview() throw(std::runtime_error)
+{
+    sal_Bool bShowState = m_Preview->getImaginaryShowState();
+
+    sal_Int16 aImgFrmt;
+    Any aImg;
+    m_Preview->getImage(aImgFrmt,aImg);
+
+    HWND flb = findFileListbox();
+
+    PreviewBase* prv = new CDIBPreview(
+        m_Instance, GetParent(flb), bShowState);
+
+    m_Preview.reset(prv);
+
+    m_Preview->setImage(aImgFrmt,aImg);
+}
+
+//-----------------------------------------
+//
+//-----------------------------------------
+
+HWND SAL_CALL CPreviewAdapterImpl::findFileListbox() const
+{
+    // try to get a handle to the filelistbox
+    // if there is no new-style filelistbox like
+    // in Win2000/XP there should be at least the
+    // old listbox, so we take this one
+    // lst1 - identifies the old-style filelistbox
+    // lst2 - identifies the new-style filelistbox
+    // see dlgs.h
+    HWND flb = GetDlgItem(m_FileDialog,lst2);
+    if (!IsWindow(flb))
+        flb = GetDlgItem(m_FileDialog,lst1);
+
+    return flb;
+}
+
+
+//##############################################################
+
+
+//-----------------------------------------
+// Special implementation for Win98
+// because:
+//
+//-----------------------------------------
+
+class CWin98PreviewAdapterImpl : public CPreviewAdapterImpl
+{
+public:
+    CWin98PreviewAdapterImpl(HINSTANCE instance);
+
+    virtual void SAL_CALL notifyParentWindowPosChanged(sal_Bool bIsVisible);
+
+protected:
+    virtual void SAL_CALL rearrangeLayout();
+
+    bool isValidToolbarDimension() const;
+
+private:
+    sal_Bool    m_PreviewActive;
+    int         m_ToolbarPosX;
+    int         m_ToolbarPosY;
+    int         m_ToolbarWidth;
+    int         m_ToolbarHeight;
+};
+
+//--------------------------------------------
+//
+//--------------------------------------------
+
+CWin98PreviewAdapterImpl::CWin98PreviewAdapterImpl(HINSTANCE instance) :
+    CPreviewAdapterImpl(instance),
+    m_PreviewActive(sal_False),
+    m_ToolbarPosX(0),
+    m_ToolbarPosY(0),
+    m_ToolbarWidth(0),
+    m_ToolbarHeight(0)
+{
+}
+
+//--------------------------------------------
+//
+//--------------------------------------------
+
+void SAL_CALL CWin98PreviewAdapterImpl::notifyParentWindowPosChanged(sal_Bool bIsVisible)
+{
+    try
+    {
+        // the reason for this condition is
+        // Windows 98
+        // Under Windows 98 the message WM_SHOWWINDOW
+        // will be sent only the first time the
+        // GetOpenFileName function is called within
+        // the same process
+        // so we must use another message to initialize
+        // the preview window
+        if (IsWindow(m_FileDialog) && !m_PreviewActive)
+        {
+            initializeActivePreview();
+            m_PreviewActive = sal_True;
+            rearrangeLayout();
+        }
+
+        if (IsWindow(m_FileDialog) && !isValidToolbarDimension())
+        {
+            RECT rcStc1;
+            GetWindowRect(GetDlgItem(m_FileDialog,stc1),&rcStc1);
+
+            RECT rcCmb2;
+            GetWindowRect(GetDlgItem(m_FileDialog,cmb2),&rcCmb2);
+
+            // Assumption:
+            // the toolbar position is only valid
+            // if the left edge is greater or equal
+            // than the right edge of the drives listbox
+            // the stc1 static text is invisible at runtime
+            // but will be used as reference for the position
+            // and dimension of the toolbar
+            if (rcStc1.left >= rcCmb2.right)
+            {
+                // important: save the upper left corner in
+                // client coordinates
+                POINT pt = {rcStc1.left,rcStc1.top};
+                ScreenToClient(m_FileDialog,&pt);
+
+                m_ToolbarPosX   = pt.x;
+                m_ToolbarPosY   = pt.y;
+                m_ToolbarWidth  = rcStc1.right - rcStc1.left;
+                m_ToolbarHeight = rcStc1.bottom - rcStc1.top;
+            }
+        }
+    }
+    catch(std::runtime_error&)
+    {
+    }
+}
+
+//--------------------------------------------
+//
+//--------------------------------------------
+
+void SAL_CALL CWin98PreviewAdapterImpl::rearrangeLayout()
+{
+    CPreviewAdapterImpl::rearrangeLayout();
+
+    // fix the position of the upper toolbar
+    // because the FileDialog moves all windows
+    // that are to the right of the FileListbox
+    // so if we have changed the size of the
+    // FileListbox we would run into trouble else
+    if (isValidToolbarDimension())
+    {
+        HWND hwndTlb = FindWindowEx(
+            m_FileDialog,NULL,"ToolbarWindow32",NULL);
+
+        SetWindowPos(hwndTlb,
+            HWND_TOP,
+            m_ToolbarPosX,
+            m_ToolbarPosY,
+            m_ToolbarWidth,
+            m_ToolbarHeight,
+            SWP_NOACTIVATE);
+    }
+}
+
+//--------------------------------------------
+//
+//--------------------------------------------
+
+bool CWin98PreviewAdapterImpl::isValidToolbarDimension() const
+{
+    return (m_ToolbarPosX   > 0 &&
+            m_ToolbarPosY   > 0 &&
+            m_ToolbarWidth  > 0 &&
+            m_ToolbarHeight > 0);
+}
+
+//##############################################################
+
+
+//--------------------------------------------
+// Implementation for Windows 95/NT/ME/2000/XP
+// because:
+//
+//--------------------------------------------
+
+class CWin95NTPreviewAdapterImpl : public CPreviewAdapterImpl
+{
+public:
+    CWin95NTPreviewAdapterImpl(HINSTANCE instance);
+
+    virtual void SAL_CALL notifyParentShow(sal_Bool bShow);
+};
+
+//--------------------------------------------
+//
+//--------------------------------------------
+
+CWin95NTPreviewAdapterImpl::CWin95NTPreviewAdapterImpl(HINSTANCE instance) :
+    CPreviewAdapterImpl(instance)
+{
+}
+
+//--------------------------------------------
+//
+//--------------------------------------------
+
+void SAL_CALL CWin95NTPreviewAdapterImpl::notifyParentShow(sal_Bool bShow)
+{
+    try
+    {
+        if (bShow)
+        {
+            initializeActivePreview();
+            rearrangeLayout();
+        }
+    }
+    catch(std::runtime_error&)
+    {
+    }
+}
+
+
+//##############################################################
+
+
+//-------------------------------
+// ctor
+//-------------------------------
+
+CPreviewAdapter::CPreviewAdapter(HINSTANCE instance)
+{
+    if (!IsWindows98())
+        m_pImpl.reset(new CWin95NTPreviewAdapterImpl(instance));
+    else
+        m_pImpl.reset(new CWin98PreviewAdapterImpl(instance));
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+CPreviewAdapter::~CPreviewAdapter()
+{
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+Sequence<sal_Int16> SAL_CALL CPreviewAdapter::getSupportedImageFormats()
+{
+    com::sun::star::uno::Sequence<sal_Int16> imgFormats(1);
+    imgFormats[0] = ::com::sun::star::ui::dialogs::FilePreviewImageFormats::BITMAP;
+    return imgFormats;
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+sal_Int32 SAL_CALL CPreviewAdapter::getTargetColorDepth()
+{
+    return m_pImpl->getTargetColorDepth();
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+sal_Int32 SAL_CALL CPreviewAdapter::getAvailableWidth()
+{
+    return m_pImpl->getAvailableWidth();
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+sal_Int32 SAL_CALL CPreviewAdapter::getAvailableHeight()
+{
+    return m_pImpl->getAvailableHeight();
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+void SAL_CALL CPreviewAdapter::setImage( sal_Int16 aImageFormat, const Any& aImage )
+    throw (IllegalArgumentException, RuntimeException)
+{
+    m_pImpl->setImage(aImageFormat,aImage);
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+sal_Bool SAL_CALL CPreviewAdapter::setShowState( sal_Bool bShowState )
+{
+    return m_pImpl->setShowState(bShowState);
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+sal_Bool SAL_CALL CPreviewAdapter::getShowState()
+{
+    return m_pImpl->getShowState();
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+void SAL_CALL CPreviewAdapter::setParent(HWND parent)
+{
+    m_pImpl->setParent(parent);
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+void SAL_CALL CPreviewAdapter::notifyParentShow(sal_Bool bShow)
+{
+    m_pImpl->notifyParentShow(bShow);
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+void SAL_CALL CPreviewAdapter::notifyParentSizeChanged()
+{
+    m_pImpl->notifyParentSizeChanged();
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+void SAL_CALL CPreviewAdapter::notifyParentWindowPosChanged(sal_Bool bIsVisible)
+{
+    m_pImpl->notifyParentWindowPosChanged(bIsVisible);
+}
diff --git a/fpicker/source/win32/filepicker/previewadapter.hxx b/fpicker/source/win32/filepicker/previewadapter.hxx
new file mode 100644
index 000000000000..39e114da4ce3
--- /dev/null
+++ b/fpicker/source/win32/filepicker/previewadapter.hxx
@@ -0,0 +1,149 @@
+/*************************************************************************
+ *
+ *  $RCSfile: previewadapter.hxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: tra $ $Date: 2002-03-21 07:11:58 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _PREVIEWADAPTER_HXX_
+#define _PREVIEWADAPTER_HXX_
+
+#ifndef _SAL_TYPES_H_
+#include <sal/types.h>
+#endif
+
+#ifndef _COM_SUN_STAR_UNO_SEQUENCE_HXX_
+#include <com/sun/star/uno/Sequence.hxx>
+#endif
+
+#ifndef _COM_SUN_STAR_UNO_RUNTIMEEXCEPTION_HPP_
+#include <com/sun/star/uno/RuntimeException.hpp>
+#endif
+
+#ifndef _COM_SUN_STAR_LANG_ILLEGALARGUMENTEXCEPTION_HPP_
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#endif
+
+#ifndef _COM_SUN_STAR_UNO_ANY_HXX_
+#include <com/sun/star/uno/Any.hxx>
+#endif
+
+#include <windows.h>
+#include <memory>
+
+// forward declaration
+class CPreviewAdapterImpl;
+
+//---------------------------------------------
+// A kind of a facade for the preview class.
+// We want to hide the fact that the preview
+// window may only become visible if there is
+// a valid parent window (means, the FilePicker)
+// is in execution mode. So unless someone sets
+// the preview active with a valid parent
+// window the preview may not be visible
+//---------------------------------------------
+
+class CPreviewAdapter
+{
+public:
+
+    // ctor
+    CPreviewAdapter(HINSTANCE instance);
+
+    ~CPreviewAdapter();
+
+    ::com::sun::star::uno::Sequence<sal_Int16> SAL_CALL getSupportedImageFormats();
+
+    sal_Int32 SAL_CALL getTargetColorDepth();
+
+    sal_Int32 SAL_CALL getAvailableWidth();
+
+    sal_Int32 SAL_CALL getAvailableHeight();
+
+    void SAL_CALL setImage(sal_Int16 aImageFormat, const ::com::sun::star::uno::Any& aImage)
+        throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
+
+    sal_Bool SAL_CALL setShowState(sal_Bool bShowState);
+
+    sal_Bool SAL_CALL getShowState();
+
+    void SAL_CALL setParent(HWND parent);
+
+    //--------------------------------------
+    // notification from parent
+    //--------------------------------------
+
+    void SAL_CALL notifyParentShow(sal_Bool bShow);
+
+    void SAL_CALL notifyParentSizeChanged();
+
+    void SAL_CALL notifyParentWindowPosChanged(sal_Bool bIsVisible);
+
+private:
+    // hide implementation details using the
+    // bridge pattern
+    std::auto_ptr<CPreviewAdapterImpl> m_pImpl;
+
+// prevent copy and assignment
+private:
+    CPreviewAdapter(const CPreviewAdapter&);
+    CPreviewAdapter& operator=(const CPreviewAdapter&);
+};
+
+
+#endif
\ No newline at end of file
diff --git a/fpicker/source/win32/filepicker/previewbase.cxx b/fpicker/source/win32/filepicker/previewbase.cxx
new file mode 100644
index 000000000000..3bc44758dca9
--- /dev/null
+++ b/fpicker/source/win32/filepicker/previewbase.cxx
@@ -0,0 +1,184 @@
+/*************************************************************************
+ *
+ *  $RCSfile: previewbase.cxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: tra $ $Date: 2002-03-21 07:12:04 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _PREVIEWBASE_HXX_
+#include "previewbase.hxx"
+#endif
+
+#ifndef _COM_SUN_STAR_UI_DIALOG_FILEPREVIEWIMAGEFORMATS_HPP_
+#include <com/sun/star/ui/dialogs/FilePreviewImageFormats.hpp>
+#endif
+
+using namespace com::sun::star::uno;
+using namespace com::sun::star::lang;
+using namespace rtl;
+
+//-------------------------------
+//
+//-------------------------------
+
+PreviewBase::PreviewBase() :
+    m_ImageFormat(::com::sun::star::ui::dialogs::FilePreviewImageFormats::BITMAP),
+    m_bShowState(sal_False)
+{
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+PreviewBase::~PreviewBase()
+{
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+sal_Int32 SAL_CALL PreviewBase::getTargetColorDepth() throw (RuntimeException)
+{
+    return 0;
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+sal_Int32 SAL_CALL PreviewBase::getAvailableWidth() throw (RuntimeException)
+{
+    return 0;
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+sal_Int32 SAL_CALL PreviewBase::getAvailableHeight() throw (RuntimeException)
+{
+    return 0;
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+void SAL_CALL PreviewBase::setImage( sal_Int16 aImageFormat, const ::com::sun::star::uno::Any& aImage )
+    throw (IllegalArgumentException, RuntimeException)
+{
+    if (aImageFormat != ::com::sun::star::ui::dialogs::FilePreviewImageFormats::BITMAP)
+        throw IllegalArgumentException(
+            OUString::createFromAscii("unsupported image format"), 0, 1);
+
+    if (aImage.hasValue() && (aImage.getValueType() != getCppuType((Sequence<sal_Int8>*)0)))
+        throw IllegalArgumentException(
+            OUString::createFromAscii("invalid image data"), 0, 2);
+
+     // save the new image data and force a redraw
+    m_ImageData   = aImage;
+    m_ImageFormat = aImageFormat;
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+void SAL_CALL PreviewBase::getImage(sal_Int16& aImageFormat,com::sun::star::uno::Any& aImage)
+{
+    aImageFormat = m_ImageFormat;
+    aImage       = m_ImageData;
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+sal_Bool SAL_CALL PreviewBase::setShowState( sal_Bool bShowState ) throw (RuntimeException)
+{
+    m_bShowState = bShowState;
+    return sal_True;
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+sal_Bool SAL_CALL PreviewBase::getShowState() throw (RuntimeException)
+{
+    return sal_False;
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+sal_Int16 SAL_CALL PreviewBase::getImaginaryShowState() const
+{
+    return m_bShowState;
+}
+
+//-------------------------------
+//
+//-------------------------------
+
+HWND SAL_CALL PreviewBase::getWindowHandle() const
+{
+    return 0;
+}
diff --git a/fpicker/source/win32/filepicker/previewbase.hxx b/fpicker/source/win32/filepicker/previewbase.hxx
new file mode 100644
index 000000000000..6defc7a269e4
--- /dev/null
+++ b/fpicker/source/win32/filepicker/previewbase.hxx
@@ -0,0 +1,130 @@
+/*************************************************************************
+ *
+ *  $RCSfile: previewbase.hxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: tra $ $Date: 2002-03-21 07:12:10 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef _PREVIEWBASE_HXX_
+#define _PREVIEWBASE_HXX_
+
+#ifndef _SAL_TYPES_H_
+#include <sal/types.h>
+#endif
+
+#ifndef _COM_SUN_STAR_UNO_SEQUENCE_HXX_
+#include <com/sun/star/uno/Sequence.hxx>
+#endif
+
+#ifndef _COM_SUN_STAR_UNO_RUNTIMEEXCEPTION_HPP_
+#include <com/sun/star/uno/RuntimeException.hpp>
+#endif
+
+#ifndef _COM_SUN_STAR_LANG_ILLEGALARGUMENTEXCEPTION_HPP_
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#endif
+
+#ifndef _COM_SUN_STAR_UNO_ANY_HXX_
+#include <com/sun/star/uno/Any.hxx>
+#endif
+
+#include <windows.h>
+
+//---------------------------------------------
+// Common interface for previews
+//---------------------------------------------
+
+class PreviewBase
+{
+public:
+    PreviewBase();
+
+    // dtor
+    virtual ~PreviewBase();
+
+    virtual sal_Int32 SAL_CALL getTargetColorDepth()
+        throw (::com::sun::star::uno::RuntimeException);
+
+    virtual sal_Int32 SAL_CALL getAvailableWidth()
+        throw (::com::sun::star::uno::RuntimeException);
+
+    virtual sal_Int32 SAL_CALL getAvailableHeight()
+        throw (::com::sun::star::uno::RuntimeException);
+
+    virtual void SAL_CALL setImage( sal_Int16 aImageFormat, const ::com::sun::star::uno::Any& aImage )
+        throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
+
+    virtual sal_Bool SAL_CALL setShowState( sal_Bool bShowState )
+        throw (::com::sun::star::uno::RuntimeException);
+
+    virtual sal_Bool SAL_CALL getShowState()
+        throw (::com::sun::star::uno::RuntimeException);
+
+    virtual void SAL_CALL getImage(sal_Int16& aImageFormat,com::sun::star::uno::Any& aImage);
+
+    sal_Int16 SAL_CALL getImaginaryShowState() const;
+
+    virtual HWND SAL_CALL getWindowHandle() const;
+
+protected:
+    ::com::sun::star::uno::Any m_ImageData;
+    sal_Int16                  m_ImageFormat;
+    sal_Bool                   m_bShowState;
+};
+
+
+#endif
\ No newline at end of file