xref: /trunk/main/sd/source/ui/presenter/PresenterPreviewCache.hxx (revision 45c5a00162811bd03b87fcb4fe9996782f2b59ec)
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21 
22 
23 
24 #ifndef SD_PRESENTER_PRESENTER_PREVIEW_CACHE_HXX
25 #define SD_PRESENTER_PRESENTER_PREVIEW_CACHE_HXX
26 
27 #include <com/sun/star/drawing/XSlidePreviewCache.hpp>
28 #include <com/sun/star/lang/XInitialization.hpp>
29 #include <com/sun/star/uno/XComponentContext.hpp>
30 #include "cache/SlsPageCache.hxx"
31 #include <cppuhelper/compbase2.hxx>
32 #include <cppuhelper/basemutex.hxx>
33 #include <boost/noncopyable.hpp>
34 #include <boost/shared_ptr.hpp>
35 
36 namespace css = ::com::sun::star;
37 
38 namespace sd { namespace presenter {
39 
40 namespace {
41     typedef ::cppu::WeakComponentImplHelper2<
42         css::lang::XInitialization,
43         css::drawing::XSlidePreviewCache
44     > PresenterPreviewCacheInterfaceBase;
45 }
46 
47 /** Uno API wrapper around the slide preview cache.
48 */
49 class PresenterPreviewCache
50     : private ::boost::noncopyable,
51       private ::cppu::BaseMutex,
52       public PresenterPreviewCacheInterfaceBase
53 {
54 public:
55     PresenterPreviewCache (const css::uno::Reference<css::uno::XComponentContext>& rxContext);
56     virtual ~PresenterPreviewCache (void);
57 
58     // XInitialize
59 
60     /** Accepts no arguments.  All values that are necessary to set up a
61         preview cache can be provided via methods.
62     */
63     virtual void SAL_CALL initialize (const css::uno::Sequence<css::uno::Any>& rArguments);
64 
65 
66     // XSlidePreviewCache
67 
68     virtual void SAL_CALL setDocumentSlides (
69         const css::uno::Reference<css::container::XIndexAccess>& rxSlides,
70         const css::uno::Reference<css::uno::XInterface>& rxDocument);
71 
72     virtual void SAL_CALL setVisibleRange (
73         sal_Int32 nFirstVisibleSlideIndex,
74         sal_Int32 nLastVisibleSlideIndex);
75 
76     virtual void SAL_CALL setPreviewSize (
77         const css::geometry::IntegerSize2D& rSize);
78 
79     virtual css::uno::Reference<css::rendering::XBitmap> SAL_CALL
80         getSlidePreview (
81             sal_Int32 nSlideIndex,
82             const css::uno::Reference<css::rendering::XCanvas>& rxCanvas);
83 
84     virtual void SAL_CALL addPreviewCreationNotifyListener (
85         const css::uno::Reference<css::drawing::XSlidePreviewCacheListener>& rxListener);
86 
87     virtual void SAL_CALL removePreviewCreationNotifyListener (
88         const css::uno::Reference<css::drawing::XSlidePreviewCacheListener>& rxListener);
89 
90     virtual void SAL_CALL pause (void);
91 
92     virtual void SAL_CALL resume (void);
93 
94 private:
95     css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
96     class PresenterCacheContext;
97     Size maPreviewSize;
98     ::boost::shared_ptr<PresenterCacheContext> mpCacheContext;
99     ::boost::shared_ptr<sd::slidesorter::cache::PageCache> mpCache;
100 
101     /** This method throws a DisposedException when the object has already been
102         disposed.
103     */
104     void ThrowIfDisposed (void);
105 };
106 
107 } } // end of namespace ::sd::presenter
108 
109 #endif
110