fpicker: remove PreviewCtrl.[ch]xx

These were apparently never used; the Windows 7 file picker can preview
images nicely without this anyway.

Change-Id: I0e4a1bb94506cbeae10675400a471b2211659d6e

2 files changed, 0 insertions, 714 deletions

diff --git a/fpicker/source/win32/filepicker/PreviewCtrl.cxx b/fpicker/source/win32/filepicker/PreviewCtrl.cxx
deleted file mode 100644
index b979b0c98029..000000000000
--- a/fpicker/source/win32/filepicker/PreviewCtrl.cxx
+++ /dev/null
@@ -1,525 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This file is part of the LibreOffice project.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * This file incorporates work covered by the following license notice:
- *
- *   Licensed to the Apache Software Foundation (ASF) under one or more
- *   contributor license agreements. See the NOTICE file distributed
- *   with this work for additional information regarding copyright
- *   ownership. The ASF licenses this file to you under the Apache
- *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
- */
-
-#include "PreviewCtrl.hxx"
-#include <osl/diagnose.h>
-
-#if defined _MSC_VER
-#pragma warning(push, 1)
-#endif
-#include <windows.h>
-#if defined _MSC_VER
-#pragma warning(pop)
-#endif
-#include <ocidl.h>
-#include <olectl.h>
-
-#define PREVIEWWND_CLASS_NAME L"PreviewWnd###"
-
-#define HIMETRIC_INCH 2540
-
-// means 3 pixel left and 3 pixel right
-#define HORZ_BORDER_SPACE    6
-
-// means 3 pixel top and 3 pixel bottom
-#define VERT_BORDER_SPACE   6
-
-CFilePreview* CFilePreview::s_FilePreviewInst = NULL;
-CFilePreview::FILEPREVIEW_SINGLETON_DESTROYER_T CFilePreview::s_SingletonDestroyer;
-
-namespace
-{
-    class CPreviewException
-    {
-        // used when registering or creation
-        // of the preview window failed
-    };
-
-    inline
-    sal_Int32 SubDiv( sal_Int32 nNumber, sal_Int32 nMinuend, sal_Int32 nDenominator )
-    {
-        return ( static_cast<sal_Int32>( ( nNumber - nMinuend ) / nDenominator ) );
-    }
-
-    // convert himetric to pixel
-
-    inline
-    sal_Int32 Himetric2Pixel( HDC hDC, sal_Int32 hmSize, sal_Int32 nIndex )
-    {
-        return MulDiv( hmSize, GetDeviceCaps( hDC, nIndex), HIMETRIC_INCH );
-    }
-
-    inline
-    sal_uInt32 _getWidthRect( const RECT& aRect )
-    {
-        return ( aRect.right - aRect.left );
-    }
-
-    inline
-    sal_uInt32 _getHeightRect( const RECT& aRect )
-    {
-        return ( aRect.bottom - aRect.top );
-    }
-
-    // calc the upper left corner so that a given window will be
-    // displayed centered within the given window
-
-    inline
-    POINT _calcULCorner( HWND hwnd, const CDimension& aPicSize )
-    {
-        RECT rect;
-        GetClientRect( hwnd, &rect );
-
-        sal_Int32 nWidthWnd  = _getWidthRect( rect );
-        sal_Int32 nHeightWnd = _getHeightRect( rect );
-
-        POINT ulCorner;
-        ulCorner.x = SubDiv( nWidthWnd,  aPicSize.m_cx, 2 );
-        ulCorner.y = SubDiv( nHeightWnd, aPicSize.m_cy, 2 );
-
-        return ulCorner;
-    }
-
-    // test if a picture with the given dimensions fits into an
-    // arbitrary window
-    // we expect the width and height to be in pixel
-
-    inline
-    sal_Bool _pictureSizeFitsWindowSize( HWND hwnd, const CDimension& aPicSize )
-    {
-        RECT rect;
-        GetClientRect( hwnd, &rect );
-
-        sal_Int32 nWidthWnd  = _getWidthRect( rect );
-        sal_Int32 nHeightWnd = _getHeightRect( rect );
-
-        return ( ( ( nWidthWnd  - HORZ_BORDER_SPACE )  >= aPicSize.m_cx ) &&
-                 ( ( nHeightWnd - VERT_BORDER_SPACE ) >= aPicSize.m_cy ) );
-    }
-
-    // calc the dimensions so that a given picture fits into a
-    // given window, if the picture fits into the given window
-    // the original CDimension will be returned
-
-    inline
-    CDimension _scalePictureSize( HWND hwnd, const CDimension& aPicSize )
-    {
-        CDimension scaledPicSize = aPicSize;
-
-        if ( !_pictureSizeFitsWindowSize( hwnd, aPicSize ) )
-        {
-            RECT rect;
-            GetClientRect( hwnd, &rect );
-
-            // the dimensions of the preview wnd are not equal
-            // that's why we equalize it
-            sal_Int32 nHeightWnd = _getHeightRect( rect ) - VERT_BORDER_SPACE;
-            sal_Int32 nWidthWnd  = nHeightWnd;
-
-            if ( aPicSize.m_cx >= aPicSize.m_cy )
-            {
-                scaledPicSize.m_cx = nWidthWnd;
-                scaledPicSize.m_cy =
-                    static_cast< sal_Int32 >(
-                        aPicSize.m_cy * nWidthWnd / aPicSize.m_cx );
-            }
-            else
-            {
-                scaledPicSize.m_cx =
-                    static_cast< sal_Int32 >(
-                        aPicSize.m_cx * nHeightWnd / aPicSize.m_cy );
-                scaledPicSize.m_cy = nHeightWnd;
-            }
-        }
-
-        return scaledPicSize;
-    }
-} // unnamed namespace
-
-// to ensure only one instance (singleton)
-
-CFilePreview* CFilePreview::createInstance(
-    HWND aParent,
-    POINT ulCorner,
-    const CDimension& aSize,
-    HINSTANCE hInstance,
-    sal_Bool bShow,
-    sal_Bool bEnabled )
-{
-    if ( !s_FilePreviewInst )
-    {
-        try
-        {
-            s_FilePreviewInst = new CFilePreview(
-                aParent, ulCorner, aSize, hInstance, bShow, bEnabled );
-            s_SingletonDestroyer.reset( s_FilePreviewInst );
-        }
-        catch( CPreviewException& )
-        {
-            OSL_ASSERT( !s_FilePreviewInst );
-            OSL_FAIL( "Creation of the preview window failed" );
-        }
-        catch( CAutoOleInit::COleInitException& )
-        {
-            OSL_ASSERT( !s_FilePreviewInst );
-            OSL_FAIL( "OleInitialize failed" );
-        }
-    }
-
-    return s_FilePreviewInst;
-}
-
-CFilePreview::CFilePreview(
-    HWND aParent,
-    POINT ulCorner,
-    const CDimension& aSize,
-    HINSTANCE hInstance,
-    sal_Bool bShow,
-    sal_Bool bEnabled ) :
-    m_hInstance( hInstance ),
-    m_bEnabled( bEnabled )
-{
-    // register the preview window class
-    WNDCLASSEX wndClsEx;
-    ZeroMemory(&wndClsEx, sizeof(wndClsEx));
-
-    wndClsEx.cbSize        = sizeof(wndClsEx);
-    wndClsEx.style         = CS_HREDRAW | CS_VREDRAW;
-    wndClsEx.lpfnWndProc   = CFilePreview::WndProc;
-    wndClsEx.hInstance     = m_hInstance;
-    wndClsEx.hbrBackground = (HBRUSH)( COLOR_INACTIVEBORDER + 1 );
-    wndClsEx.lpszClassName = PREVIEWWND_CLASS_NAME;
-
-    // register the preview window class
-    // !!! Win95 -   the window class will be unregistered automatically
-    //               if the dll is unloaded
-    //     Win2000 - the window class must be unregistered manually
-    //               if the dll is unloaded
-    m_atomPrevWndClass = RegisterClassExW(&wndClsEx);
-    if ( !m_atomPrevWndClass )
-        throw CPreviewException( );
-
-    // create the preview window in invisible state
-    sal_uInt32 dwStyle = bShow ? (WS_CHILD | WS_VISIBLE) : WS_CHILD;
-    m_hwnd = CreateWindowExW(
-        WS_EX_CLIENTEDGE,
-        PREVIEWWND_CLASS_NAME,
-        L"",
-        dwStyle,
-        ulCorner.x,
-        ulCorner.y,
-        aSize.m_cx,
-        aSize.m_cy,
-        aParent,
-        (HMENU)100, // for child windows this will
-                    // be used as child window identifier
-        m_hInstance,
-        0 );
-    if (!IsWindow(m_hwnd))
-        throw CPreviewException( );
-}
-
-CFilePreview::~CFilePreview( )
-{
-    // unregister preview window class
-    sal_Bool bRet = UnregisterClassW(
-        (PCWSTR)(DWORD_PTR)MAKELONG( m_atomPrevWndClass, 0 ),
-        m_hInstance );
-    SAL_WARN_IF( !bRet, "fpicker", "Unregister preview window class failed" );
-}
-
-// sets the size of the preview window
-
-sal_Bool SAL_CALL CFilePreview::setSize( const CDimension& aSize )
-{
-    OSL_PRECOND( IsWindow( m_hwnd ), "Preview window not initialized" );
-
-    // resize the fileopen file listbox
-    return SetWindowPos(
-        m_hwnd,
-        NULL,
-        0,
-        0,
-        aSize.m_cx,
-        aSize.m_cy,
-        SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE );
-}
-
-// returns the dimension of the preview
-
-sal_Bool SAL_CALL CFilePreview::getSize( CDimension& theSize ) const
-{
-    OSL_PRECOND( IsWindow( m_hwnd ), "Preview window not initialized" );
-
-    RECT rect;
-    sal_Bool bRet = GetWindowRect( m_hwnd, &rect );
-
-    theSize.m_cx = _getWidthRect( rect );
-    theSize.m_cy = _getHeightRect( rect );
-
-    return bRet;
-}
-
-// sets the position of the upper left corner
-// of the preview window relative to the
-// upper left corner of the parent window
-
-sal_Bool SAL_CALL CFilePreview::setPos( POINT ulCorner )
-{
-    OSL_PRECOND( IsWindow( m_hwnd ), "Preview window not initialized" );
-
-    // resize the fileopen file listbox
-    return SetWindowPos(
-        m_hwnd,
-        NULL,
-        ulCorner.x,
-        ulCorner.y,
-        0,
-        0,
-        SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
-}
-
-// returns the current position of the preview
-// relative to the upper left corner of the
-// parent window
-
-sal_Bool SAL_CALL CFilePreview::getPos( POINT& ulCorner ) const
-{
-    OSL_PRECOND( IsWindow( m_hwnd ), "Preview window not initialized" );
-
-    POINT pt = { 0, 0 };
-    RECT rect;
-
-    sal_Bool bRet = GetWindowRect( m_hwnd, &rect );
-
-    ulCorner.x = rect.left;
-    ulCorner.y = rect.top;
-
-    ScreenToClient( m_hwnd, &ulCorner );
-
-    return bRet;
-}
-
-void SAL_CALL CFilePreview::enable( sal_Bool bEnable )
-{
-    m_bEnabled = bEnable;
-
-    // force a redraw
-    InvalidateRect( m_hwnd, NULL, sal_True );
-    UpdateWindow( m_hwnd );
-}
-
-// shows the preview window
-// possible values see SHOW_STATE
-// SS_SHOW     - make the window visible
-// SS_HIDE     - hide the window
-// SS_ENABLED  - enable the window
-// SS_DISABLED - disable the window
-
-sal_Bool SAL_CALL CFilePreview::show( sal_Bool bShow )
-{
-    OSL_PRECOND( IsWindow( m_hwnd ), "Preview window not initialized" );
-
-    sal_Int32 showState = bShow ? SW_SHOW : SW_HIDE;
-    return ShowWindow( m_hwnd, showState );
-}
-
-// if the preview is shown and enabled
-// preview of the given file will be shown
-// returns true on success or false if an error
-// occurred (the file in not there or not accessible etc.)
-sal_Bool SAL_CALL CFilePreview::update( const OUString& aFileName )
-{
-    OSL_PRECOND( IsWindow( m_hwnd ), "Preview window not initialized" );
-
-    try
-    {
-        if ( m_bEnabled )
-        {
-            if ( m_IPicture )
-                m_IPicture.Release( );
-
-            loadFile( aFileName );
-
-            // force a complete window redraw
-            InvalidateRect( m_hwnd, NULL, sal_True );
-            UpdateWindow( m_hwnd );
-        }
-    }
-    catch( _com_error& )
-    {
-    }
-
-    return sal_True;
-}
-
-void SAL_CALL CFilePreview::onPaint( HWND hWnd, HDC hDC )
-{
-    OSL_PRECOND( IsWindow( m_hwnd ), "Preview window not initialized" );
-
-    try
-    {
-        if ( m_bEnabled )
-        {
-            // get width and height of picture
-            long cxPicHIMETRIC;
-            long cyPicHIMETRIC;
-
-            m_IPicture->get_Width( &cxPicHIMETRIC );
-            m_IPicture->get_Height( &cyPicHIMETRIC );
-
-            // convert himetric to pixels
-            int cxPicPIXEL = Himetric2Pixel( hDC, cxPicHIMETRIC, LOGPIXELSX );
-            int cyPicPIXEL = Himetric2Pixel( hDC, cyPicHIMETRIC, LOGPIXELSY );
-
-            // scale the picture based on the size of the preview window
-            RECT rcPrevWnd;
-            GetClientRect(hWnd, &rcPrevWnd);
-
-            CDimension scaledPicSize = _scalePictureSize(
-                hWnd, CDimension( cxPicPIXEL, cyPicPIXEL ) );
-
-            // calc the upper left corner so that the picture
-            // is centered within the window
-            POINT ulCorner = _calcULCorner( hWnd, scaledPicSize );
-
-            // render the picture
-            HRESULT hr = m_IPicture->Render(
-                hDC,
-                ulCorner.x,
-                ulCorner.y,
-                scaledPicSize.m_cx,
-                scaledPicSize.m_cy,
-                0,
-                cyPicHIMETRIC,
-                cxPicHIMETRIC,
-                -cyPicHIMETRIC,
-                &rcPrevWnd );
-        } // end if ( m_bEnabled )
-    }
-    catch( _com_error& )
-    {
-    }
-}
-
-sal_Bool CFilePreview::loadFile( const OUString& aFileName )
-{
-    HANDLE      hFile   = 0;
-    HGLOBAL     hGlobal = 0;
-    LPVOID      pData   = NULL;
-    IStreamPtr  pIStream;
-    HRESULT     hr = E_FAIL;
-    sal_Bool    bRet;
-    sal_uInt32  nBytesRead;
-    sal_uInt32  fszExtra;
-    sal_uInt32  fsize;
-
-    hFile = CreateFileW(
-        aFileName.getStr( ),
-        GENERIC_READ,
-        0,
-        NULL,
-        OPEN_EXISTING,
-        0,
-        NULL );
-    if ( INVALID_HANDLE_VALUE == hFile )
-        goto CLEANUP_AND_EXIT;
-
-    fszExtra = 0;
-    fsize = GetFileSize( hFile, &fszExtra );
-
-    // empty file, error or file to big
-    if ( -1 == fsize || 0 == fsize || fszExtra )
-        goto CLEANUP_AND_EXIT;
-
-    hGlobal = GlobalAlloc( GMEM_MOVEABLE, fsize );
-    if ( !hGlobal )
-        goto CLEANUP_AND_EXIT;
-
-    pData = GlobalLock( hGlobal );
-    if ( !pData )
-        goto CLEANUP_AND_EXIT;
-
-    bRet = ReadFile(
-        hFile, pData, fsize, &nBytesRead, NULL );
-
-    if ( !bRet )
-        goto CLEANUP_AND_EXIT;
-
-    hr = CreateStreamOnHGlobal(
-        hGlobal, sal_False, &pIStream );
-
-    if ( SUCCEEDED( hr ) )
-    {
-        hr = OleLoadPicture(
-            pIStream, fsize, sal_False,
-            __uuidof( IPicture ), (LPVOID*)&m_IPicture );
-    }
-
-CLEANUP_AND_EXIT:
-    if ( hFile )
-        CloseHandle( hFile );
-
-    if ( pData )
-        GlobalUnlock( hGlobal );
-
-    if ( hGlobal )
-        GlobalFree( hGlobal );
-
-    return ( SUCCEEDED( hr ) );
-}
-
-LRESULT CALLBACK CFilePreview::WndProc(
-    HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
-{
-    LRESULT lResult = 0;
-
-    switch( uMsg )
-    {
-    case WM_PAINT:
-    {
-        OSL_PRECOND( s_FilePreviewInst, "Static member not initialized" );
-
-        HDC         hDC;
-        PAINTSTRUCT ps;
-
-        hDC = BeginPaint( hWnd, &ps );
-        s_FilePreviewInst->onPaint( hWnd, hDC );
-        EndPaint( hWnd, &ps );
-    }
-    break;
-
-    // under windows 95/98 the creation of the
-        // hidden target request window fails if
-        // we don't handle this message ourself
-        // because the DefWindowProc returns 0 as
-        // a result of handling WM_NCCREATE what
-        // leads to a failure of CreateWindow[Ex]!!!
-    case WM_NCCREATE:
-        lResult = sal_True;
-        break;
-
-    default:
-        return DefWindowProc( hWnd, uMsg, wParam, lParam );
-    }
-
-    return lResult;
-}
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/fpicker/source/win32/filepicker/PreviewCtrl.hxx b/fpicker/source/win32/filepicker/PreviewCtrl.hxx
deleted file mode 100644
index 3ae39f6d8570..000000000000
--- a/fpicker/source/win32/filepicker/PreviewCtrl.hxx
+++ /dev/null
@@ -1,189 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This file is part of the LibreOffice project.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- *
- * This file incorporates work covered by the following license notice:
- *
- *   Licensed to the Apache Software Foundation (ASF) under one or more
- *   contributor license agreements. See the NOTICE file distributed
- *   with this work for additional information regarding copyright
- *   ownership. The ASF licenses this file to you under the Apache
- *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
- */
-
-#ifndef INCLUDED_FPICKER_SOURCE_WIN32_FILEPICKER_PREVIEWCTRL_HXX
-#define INCLUDED_FPICKER_SOURCE_WIN32_FILEPICKER_PREVIEWCTRL_HXX
-
-#include <sal/types.h>
-#include <rtl/ustring.hxx>
-
-#include <comdef.h>
-
-#include <memory>
-
-
-// declaration
-
-
-class CDimension
-{
-public:
-    CDimension( ) :
-        m_cx( 0 ),
-        m_cy( 0 )
-    {
-    }
-
-    CDimension( sal_Int32 cx, sal_Int32 cy ) :
-        m_cx( cx ),
-        m_cy( cy )
-    {
-    }
-
-    sal_Int32 m_cx;
-    sal_Int32 m_cy;
-};
-
-
-// we use OleInitialize here because we are calling
-// some Ole functions to realize the picture preview
-// and we expect to be called from the main thread
-// so that there will be no problem calling
-// OleInitialize (the main thread should be an STA)
-// When OleInitialize should fail at worst the
-// preview doesn't work
-
-
-class CAutoOleInit
-{
-public:
-
-    // used to communicate ole
-    // initialization failures
-    class COleInitException { };
-
-    CAutoOleInit( )
-    {
-        HRESULT hr = OleInitialize( NULL );
-        if ( FAILED( hr ) )
-            throw COleInitException( );
-    }
-
-    ~CAutoOleInit( )
-    {
-        OleUninitialize( );
-    }
-};
-
-
-// A simple file preview class to preview some
-// common picture formats like *.gif, *jpg, etc.
-// This class is not thread-safe and is
-// implemented as singleton, because the class
-// has only one static member to reconnect
-// from callback functions
-// we use a singleton-destroyer to get rid off
-// the singleton instance, but this happens
-// only on shutdown (unloading of the dll) -
-// it's a question of taste (other solutions
-// are possible)
-
-
-class CFilePreview
-{
-public:
-    // to ensure only one instance (singleton)
-    static CFilePreview* createInstance(
-        HWND aParent,
-        POINT ulCorner,
-        const CDimension& aSize,
-        HINSTANCE hInstance,
-        sal_Bool bShow = sal_True,
-        sal_Bool bEnabled = sal_True );
-
-    // sets the size of the preview window
-    sal_Bool SAL_CALL setSize( const CDimension& aSize );
-
-    // returns the CDimension of the preview
-    sal_Bool SAL_CALL getSize( CDimension& theSize ) const;
-
-    // sets the position of the upper left corner
-    // of the preview window relative to the
-    // upper left corner of the parent window
-    sal_Bool SAL_CALL setPos( POINT ulCorner );
-
-    // returns the current position of the preview
-    // relative to the upper left corner of the
-    // parent window
-    sal_Bool SAL_CALL getPos( POINT& ulCorner ) const;
-
-    // enables or disables the preview window
-    // bEnable - true the window is enabled and updates its
-    // view when update is called
-    // bEnable - false the window shows itself in disabled
-    // mode and does not update its view when update is
-    // called
-    void SAL_CALL enable( sal_Bool bEnable );
-
-    // shows the preview window
-    // possible values see SHOW_STATE
-    sal_Bool SAL_CALL show( sal_Bool bShow );
-
-
-    // if the preview is shown and enabled
-    // preview of the given file will be shown
-    // returns true on success or false if an error
-    // occurred (the file in not there or not accessible etc.)
-    virtual sal_Bool SAL_CALL update( const OUString& aFileName );
-
-protected:
-    // clients can create instances only through the static create method
-    CFilePreview(
-        HWND aParent,
-        POINT ulCorner,
-        const CDimension& aSize,
-        HINSTANCE hInstance,
-        sal_Bool bShow = sal_True,
-        sal_Bool bEnabled = sal_True );
-
-    // only the singleton destroyer class is allowed to delete the
-    // singleton instance of this class
-    virtual ~CFilePreview( );
-
-    // we use the stl unique_ptr class as singleton destroyer
-    typedef std::unique_ptr< CFilePreview > FILEPREVIEW_SINGLETON_DESTROYER_T;
-
-protected:
-    virtual void SAL_CALL onPaint( HWND hWnd, HDC hDC );
-
-    sal_Bool loadFile( const OUString& aFileName );
-
-private:
-    CAutoOleInit m_autoOleInit;
-    POINT        m_pt;
-    CDimension   m_dim;
-    HWND         m_hwnd;
-    sal_Bool     m_bEnabled;
-    IPicturePtr  m_IPicture;
-    ATOM         m_atomPrevWndClass;
-    HINSTANCE    m_hInstance;
-
-    static LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
-
-    static CFilePreview* s_FilePreviewInst;
-    static FILEPREVIEW_SINGLETON_DESTROYER_T s_SingletonDestroyer;
-
-private:
-    friend FILEPREVIEW_SINGLETON_DESTROYER_T;
-};
-
-
-#endif
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */