slideshow/source/inc/basecontainernode.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   9  * This file incorporates work covered by the following license notice:
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  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  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::internal {
  25
  26 class BaseContainerNode;
  27 typedef ::std::shared_ptr< BaseContainerNode > BaseContainerNodeSharedPtr;
  28
  29
  30 /** This interface extends BaseNode with child handling methods.
  31     Used for XAnimationNode objects which have children
  32 */
  33 class BaseContainerNode : public BaseNode
  34 {
  35 public:
  36     BaseContainerNode(
  37         css::uno::Reference<css::animations::XAnimationNode> const& xNode,
  38         BaseContainerNodeSharedPtr const& pParent,
  39         NodeContext const& rContext );
  40
  41     /** Add given child node to this container
  42      */
  43     void appendChildNode( AnimationNodeSharedPtr const& pNode );
  44
  45 #if defined(DBG_UTIL)
  46     virtual void showState() const override;
  47     virtual const char* getDescription() const override { return "BaseContainerNode"; }
  48 #endif
  49
  50 protected:
  51     // overrides from BaseNode
  52     virtual void dispose() override;
  53
  54 private:
  55     virtual bool init_st() override;
  56     bool init_children();
  57     virtual void deactivate_st( NodeState eDestState ) override;
  58     virtual bool hasPendingAnimation() const override;
  59     // force to be implemented by derived class:
  60     virtual void activate_st() override = 0;
  61     virtual void notifyDeactivating(
  62         AnimationNodeSharedPtr const& rNotifier ) override = 0;
  63
  64 protected:
  65     bool isDurationIndefinite() const { return mbDurationIndefinite; }
  66
  67     bool isChildNode( AnimationNodeSharedPtr const& pNode ) const;
  68
  69     /// @return true: if all children have been deactivated
  70     bool notifyDeactivatedChild( AnimationNodeSharedPtr const& pChildNode );
  71
  72     void repeat();
  73
  74     template <typename FuncT>
  75     void forEachChildNode( FuncT func,
  76                                   int nodeStateMask ) const
  77     {
  78         for (AnimationNodeSharedPtr const& pNode : maChildren) {
  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          mbRepeatIndefinite;
  92     const bool          mbRestart;
  93     const bool          mbDurationIndefinite;
  94 };
  95
  96 } // namespace presentation::interface
  97
  98 #endif
  99
 100 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */