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27 
28 #ifndef _PREVIEWADAPTER_HXX_
29 #define _PREVIEWADAPTER_HXX_
30 
31 #include <sal/types.h>
32 #include <com/sun/star/uno/Sequence.hxx>
33 #include <com/sun/star/uno/RuntimeException.hpp>
34 #include <com/sun/star/lang/IllegalArgumentException.hpp>
35 #include <com/sun/star/uno/Any.hxx>
36 
37 #if defined _MSC_VER
38 #pragma warning(push, 1)
39 #endif
40 #include <windows.h>
41 #if defined _MSC_VER
42 #pragma warning(pop)
43 #endif
44 #include <memory>
45 
46 // forward declaration
47 class CPreviewAdapterImpl;
48 
49 //---------------------------------------------
50 // A kind of a facade for the preview class.
51 // We want to hide the fact that the preview
52 // window may only become visible if there is
53 // a valid parent window (means, the FilePicker)
54 // is in execution mode. So unless someone sets
55 // the preview active with a valid parent
56 // window the preview may not be visible
57 //---------------------------------------------
58 
59 class CPreviewAdapter
60 {
61 public:
62 
63 	// ctor
64 	CPreviewAdapter(HINSTANCE instance);
65 
66 	~CPreviewAdapter();
67 
68 	::com::sun::star::uno::Sequence<sal_Int16> SAL_CALL getSupportedImageFormats();
69 
70     sal_Int32 SAL_CALL getTargetColorDepth();
71 
72     sal_Int32 SAL_CALL getAvailableWidth();
73 
74     sal_Int32 SAL_CALL getAvailableHeight();
75 
76     void SAL_CALL setImage(sal_Int16 aImageFormat, const ::com::sun::star::uno::Any& aImage)
77 		throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
78 
79     sal_Bool SAL_CALL setShowState(sal_Bool bShowState);
80 
81     sal_Bool SAL_CALL getShowState();
82 
83 	void SAL_CALL setParent(HWND parent);
84 
85 	//--------------------------------------
86 	// notification from parent
87 	//--------------------------------------
88 
89 	void SAL_CALL notifyParentShow(bool bShow);
90 
91 	void SAL_CALL notifyParentSizeChanged();
92 
93 	void SAL_CALL notifyParentWindowPosChanged();
94 
95 private:
96 	// hide implementation details using the
97 	// bridge pattern
98 	std::auto_ptr<CPreviewAdapterImpl> m_pImpl;
99 
100 // prevent copy and assignment
101 private:
102     CPreviewAdapter(const CPreviewAdapter&);
103     CPreviewAdapter& operator=(const CPreviewAdapter&);
104 };
105 
106 
107 #endif
108