basenode.hxx

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#ifndef INCLUDED_SLIDESHOW_SOURCE_INC_BASENODE_HXX
#define INCLUDED_SLIDESHOW_SOURCE_INC_BASENODE_HXX
 
#include <basegfx/vector/b2dvector.hxx>
#include <comphelper/diagnose_ex.hxx>
#include <osl/diagnose.hxx>
 
#include "event.hxx"
#include "animationnode.hxx"
#include "slideshowcontext.hxx"
#include "shapesubset.hxx"
 
#include <utility>
#include <vector>
 
namespace slideshow::internal {
 
struct NodeContext
{
    NodeContext( SlideShowContext                        aContext,
                 const ::basegfx::B2DVector&             rSlideSize )
        : maContext(std::move( aContext )),
          maSlideSize( rSlideSize ),
          mpMasterShapeSubset(),
          mnStartDelay(0.0),
          mbIsIndependentSubset( true )
        {}
 
    SlideShowContext                 maContext;
 
    ::basegfx::B2DVector             maSlideSize;
 
    ShapeSubsetSharedPtr             mpMasterShapeSubset;
 
    double                           mnStartDelay;
 
    bool                             mbIsIndependentSubset;
};
 
class BaseContainerNode;
typedef ::std::shared_ptr< BaseContainerNode > BaseContainerNodeSharedPtr;
 
class BaseNode;
typedef ::std::shared_ptr< BaseNode > BaseNodeSharedPtr;
 
 
class BaseNode : public AnimationNode,
                 public  ::osl::DebugBase<BaseNode>
{
public:
    BaseNode( css::uno::Reference<css::animations::XAnimationNode> const& xNode,
              BaseContainerNodeSharedPtr                           pParent,
              NodeContext const&                                   rContext );
    BaseNode(const BaseNode&) = delete;
    BaseNode& operator=(const BaseNode&) = delete;
 
    void setSelf( const BaseNodeSharedPtr& rSelf );
 
 
#if defined(DBG_UTIL)
    virtual void showState() const;
    virtual const char* getDescription() const;
#endif
 
    const ::std::shared_ptr< BaseContainerNode >& getParentNode() const
        { return mpParent; }
 
    // Disposable:
    virtual void dispose() override;
 
    // AnimationNode:
    virtual bool init() override;
    virtual bool resolve() override;
    virtual void activate() override;
    virtual void deactivate() override;
    virtual void end() override;
    virtual css::uno::Reference<css::animations::XAnimationNode> getXAnimationNode() const override;
    virtual NodeState getState() const override;
    virtual bool registerDeactivatingListener(
        const AnimationNodeSharedPtr& rNotifee ) override;
    // nop:
    virtual void notifyDeactivating( const AnimationNodeSharedPtr& rNotifier ) override;
 
    bool isMainSequenceRootNode() const { return mbIsMainSequenceRootNode; }
 
    sal_Int16 getFillMode();
 
    virtual void removeEffect() override {}
protected:
    void scheduleDeactivationEvent( EventSharedPtr const& pEvent =
                                    EventSharedPtr() );
 
    SlideShowContext const&                 getContext() const { return maContext; }
    ::std::shared_ptr<BaseNode> const&    getSelf() const { return mpSelf; }
 
    bool checkValidNode() const {
        ENSURE_OR_THROW( mpSelf, "no self ptr set!" );
        bool const bRet = (meCurrState != INVALID);
        OSL_ENSURE( bRet, "### INVALID node!" );
        return bRet;
    }
 
private:
    // all state affecting methods have "_st" counterparts being called at
    // derived classes when in state transition: no-ops here at BaseNode...
    virtual bool init_st();
    virtual bool resolve_st();
    virtual void activate_st();
    virtual void deactivate_st( NodeState eDestState );
 
private:
    void notifyEndListeners() const;
 
    sal_Int16 getRestartMode();
 
    sal_Int16 getRestartDefaultMode() const;
 
    sal_Int16 getFillDefaultMode() const;
 
    bool isTransition( NodeState eFromState, NodeState eToState,
                       bool debugAssert = true ) const {
        bool const bRet =((mpStateTransitionTable[eFromState] & eToState) != 0);
        OSL_ENSURE( !debugAssert || bRet, "### state unreachable!" );
        return bRet;
    }
 
    bool inStateOrTransition( int mask ) const {
        return ((meCurrState & mask) != 0 ||
                (meCurrentStateTransition & mask) != 0);
    }
 
    class StateTransition;
    friend class StateTransition;
 
private:
    SlideShowContext                                   maContext;
 
    ::std::vector< AnimationNodeSharedPtr >            maDeactivatingListeners;
    css::uno::Reference< css::animations::XAnimationNode > mxAnimationNode;
    ::std::shared_ptr< BaseContainerNode >           mpParent;
    ::std::shared_ptr< BaseNode >                    mpSelf;
    const int*                                         mpStateTransitionTable;
    const double                                       mnStartDelay;
    NodeState                                          meCurrState;
    int                                                meCurrentStateTransition;
    EventSharedPtr                                     mpCurrentEvent;
    const bool                                         mbIsMainSequenceRootNode;
};
 
} // namespace slideshow::internal
 
#endif
 
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