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FrameNavigatorDisplayer Class Reference

Use this class to adapt a FrameNavigator to a PlayingDirector. More...

List of all members.

Public Methods
	FrameNavigatorDisplayer (FrameNavigator nav)
PlayingObserver	makeObserver (PlayingDirector director)
FrameNavigator	getNavigator ()

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Detailed Description

Use this class to adapt a FrameNavigator to a PlayingDirector.

This class will be a FrameNavigatorUser that seeks the PlayingDirector when the navigator changes the frame, and will update the navigator while the director is running.

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Constructor & Destructor Documentation

FrameNavigatorDisplayer::FrameNavigatorDisplayer (  FrameNavigator    nav )  [inline]

{ _navigator = nav; _navigator.setUser(new FrameNavigatorUser() { public void handleFrameChanged(int newFrame) { changeFrame(newFrame); } }); _expectedFrame = -1; _pendentSeek = -1; _director = null; }

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Member Function Documentation

PlayingObserver FrameNavigatorDisplayer::makeObserver (  PlayingDirector    director )  [inline]

{ //First call navigator and then set the director. This call to the //navigator may call handleFrameChanged. To avoid calling the director //as a side effect, set the director later. _navigator.setNumberOfFrames(director.getNrFrames()); _director = director; return new PlayingAdapter() { public void updateNewFrame(int frameNr) { visitFrame(frameNr); } }; }

FrameNavigator FrameNavigatorDisplayer::getNavigator (    )  [inline]

{ return _navigator; }

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The documentation for this class was generated from the following file:

• FrameNavigatorDisplayer.java

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