fpicker/source/win32/filepicker/previewadapter.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef _PREVIEWADAPTER_HXX_
  21 #define _PREVIEWADAPTER_HXX_
  22
  23 #include <sal/types.h>
  24 #include <com/sun/star/uno/Sequence.hxx>
  25 #include <com/sun/star/uno/RuntimeException.hpp>
  26 #include <com/sun/star/lang/IllegalArgumentException.hpp>
  27 #include <com/sun/star/uno/Any.hxx>
  28
  29 #if defined _MSC_VER
  30 #pragma warning(push, 1)
  31 #endif
  32 #include <windows.h>
  33 #if defined _MSC_VER
  34 #pragma warning(pop)
  35 #endif
  36 #include <memory>
  37
  38 // forward declaration
  39 class CPreviewAdapterImpl;
  40
  41 //---------------------------------------------
  42 // A kind of a facade for the preview class.
  43 // We want to hide the fact that the preview
  44 // window may only become visible if there is
  45 // a valid parent window (means, the FilePicker)
  46 // is in execution mode. So unless someone sets
  47 // the preview active with a valid parent
  48 // window the preview may not be visible
  49 //---------------------------------------------
  50
  51 class CPreviewAdapter
  52 {
  53 public:
  54
  55     // ctor
  56     CPreviewAdapter(HINSTANCE instance);
  57
  58     ~CPreviewAdapter();
  59
  60     ::com::sun::star::uno::Sequence<sal_Int16> SAL_CALL getSupportedImageFormats();
  61
  62     sal_Int32 SAL_CALL getTargetColorDepth();
  63
  64     sal_Int32 SAL_CALL getAvailableWidth();
  65
  66     sal_Int32 SAL_CALL getAvailableHeight();
  67
  68     void SAL_CALL setImage(sal_Int16 aImageFormat, const ::com::sun::star::uno::Any& aImage)
  69         throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
  70
  71     sal_Bool SAL_CALL setShowState(sal_Bool bShowState);
  72
  73     sal_Bool SAL_CALL getShowState();
  74
  75     void SAL_CALL setParent(HWND parent);
  76
  77     //--------------------------------------
  78     // notification from parent
  79     //--------------------------------------
  80
  81     void SAL_CALL notifyParentShow(bool bShow);
  82
  83     void SAL_CALL notifyParentSizeChanged();
  84
  85     void SAL_CALL notifyParentWindowPosChanged();
  86
  87 private:
  88     // hide implementation details using the
  89     // bridge pattern
  90     std::auto_ptr<CPreviewAdapterImpl> m_pImpl;
  91
  92 // prevent copy and assignment
  93 private:
  94     CPreviewAdapter(const CPreviewAdapter&);
  95     CPreviewAdapter& operator=(const CPreviewAdapter&);
  96 };
  97
  98
  99 #endif
 100
 101 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */