update dev300-m58
[ooovba.git] / slideshow / source / inc / stringanimation.hxx
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31 #ifndef INCLUDED_SLIDESHOW_STRINGANIMATION_HXX
32 #define INCLUDED_SLIDESHOW_STRINGANIMATION_HXX
34 #include "animation.hxx"
35 #include <rtl/ustring.hxx>
38 /* Definition of StringAnimation interface */
40 namespace slideshow
42 namespace internal
44 /** Interface defining a string animation.
46 This interface is a specialization of the Animation
47 interface, and is used to animate attributes representable
48 by a discrete character string (e.g. font names)
50 class StringAnimation : public Animation
52 public:
53 typedef ::rtl::OUString ValueType;
55 /** Set the animation to value rStr
57 @param rStr
58 Current animation value.
60 virtual bool operator()( const ValueType& rStr ) = 0;
62 /** Request the underlying value for this animation.
64 This is necessary for pure To or By animations, as the
65 Activity cannot determine a sensible start value
66 otherwise.
68 @attention Note that you are only permitted to query
69 for the underlying value, if the animation has actually
70 been started (via start() call).
72 virtual ValueType getUnderlyingValue() const = 0;
75 typedef ::boost::shared_ptr< StringAnimation > StringAnimationSharedPtr;
80 #endif /* INCLUDED_SLIDESHOW_STRINGANIMATION_HXX */