slideshow/source/inc/basecontainernode.hxx

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  19 #ifndef INCLUDED_SLIDESHOW_SOURCE_INC_BASECONTAINERNODE_HXX
  20 #define INCLUDED_SLIDESHOW_SOURCE_INC_BASECONTAINERNODE_HXX
  21
  22 #include "basenode.hxx"
  23
  24 namespace slideshow {
  25 namespace internal {
  26
  27 /** This interface extends BaseNode with child handling methods.
  28     Used for XAnimationNode objects which have children
  29 */
  30 class BaseContainerNode : public BaseNode
  31 {
  32 public:
  33     BaseContainerNode(
  34         css::uno::Reference<css::animations::XAnimationNode> const& xNode,
  35         ::std::shared_ptr<BaseContainerNode> const& pParent,
  36         NodeContext const& rContext );
  37
  38     /** Add given child node to this container
  39      */
  40     void appendChildNode( AnimationNodeSharedPtr const& pNode );
  41
  42 #if defined(DBG_UTIL)
  43     virtual void showState() const override;
  44     virtual const char* getDescription() const override { return "BaseContainerNode"; }
  45 #endif
  46
  47 protected:
  48     // overrides from BaseNode
  49     virtual void dispose() override;
  50
  51 private:
  52     virtual bool init_st() override;
  53     bool init_children();
  54     virtual void deactivate_st( NodeState eDestState ) override;
  55     virtual bool hasPendingAnimation() const override;
  56     // force to be implemented by derived class:
  57     virtual void activate_st() override = 0;
  58     virtual void notifyDeactivating(
  59         AnimationNodeSharedPtr const& rNotifier ) override = 0;
  60
  61 protected:
  62     bool isDurationIndefinite() const { return mbDurationIndefinite; }
  63
  64     bool isChildNode( AnimationNodeSharedPtr const& pNode ) const;
  65
  66     /// @return true: if all children have been deactivated
  67     bool notifyDeactivatedChild( AnimationNodeSharedPtr const& pChildNode );
  68
  69     void repeat();
  70
  71     template <typename FuncT>
  72     void forEachChildNode( FuncT func,
  73                                   int nodeStateMask ) const
  74     {
  75         VectorOfNodes::const_iterator iPos( maChildren.begin() );
  76         VectorOfNodes::const_iterator const iEnd( maChildren.end() );
  77         for ( ; iPos != iEnd; ++iPos ) {
  78             AnimationNodeSharedPtr const& pNode = *iPos;
  79             if (nodeStateMask != -1 && (pNode->getState() & nodeStateMask) == 0)
  80                 continue;
  81             func(pNode);
  82         }
  83     }
  84
  85     typedef ::std::vector<AnimationNodeSharedPtr> VectorOfNodes;
  86     VectorOfNodes       maChildren;
  87     ::std::size_t       mnFinishedChildren;
  88     double       mnLeftIterations;
  89
  90 private:
  91     const bool          mbDurationIndefinite;
  92 };
  93
  94 typedef ::std::shared_ptr< BaseContainerNode > BaseContainerNodeSharedPtr;
  95
  96 } // namespace interface
  97 } // namespace presentation
  98
  99 #endif
 100
 101 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */