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 * This file incorporates work covered by the following license notice:
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_SD_SOURCE_UI_SLIDESORTER_INC_VIEW_SLSTOOLTIP_HXX
#define INCLUDED_SD_SOURCE_UI_SLIDESORTER_INC_VIEW_SLSTOOLTIP_HXX

#include "SlideSorter.hxx"
#include "model/SlsSharedPageDescriptor.hxx"

namespace sd { namespace slidesorter { namespace view {

/** Manage the display of tool tips.  The tool tip text changes when the
    mouse is moved from slide to slide or from button to button.
    After the mouse enters a slide the first display of the tool tip is
    delayed for a short time in order to not draw attention from the slide
    or its button bar.
*/
class ToolTip
{
public:
    ToolTip (SlideSorter& rSlideSorter);
    ~ToolTip (void);

    /** Set a new page.  This modifies the default help text.  After a page
        change a timer is started to delay the display of the tool tip for
        the new page.
        @param rpPage
            When this is empty then the tool tip is hidden.
    */
    void SetPage (const model::SharedPageDescriptor& rpPage);

    /** Hide the tool tip.
        @return
            Returns whether the tool tip was visible at the time this method
            was called.
    */
    bool Hide (void);

private:
    SlideSorter& mrSlideSorter;
    model::SharedPageDescriptor mpDescriptor;
    OUString msCurrentHelpText;
    sal_uLong mnHelpWindowHandle;
    Timer maShowTimer;
    Timer maHiddenTimer;

    /** Request to show the tool tip.
        @param bForce
            When <TRUE/> then the tool tip is show right away.  Otherwise it
            is shown after a short delay.
    */
    void Show (const bool bForce);
    void DoShow (void);

    DECL_LINK(DelayTrigger, void*);
};


} } } // end of namespace ::sd::slidesorter::view

#endif

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