include/GUI/URLChangeUpdater.hpp

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#ifndef hpp_URLChangeUpdater_hpp
#define hpp_URLChangeUpdater_hpp

// We need base declaration
#include "UZIBase.hpp"

namespace juce
{
    class URLChangeListener
    {
    public:
        virtual void URLIsChanged(const juce::String & newURL) = 0;
    };

    class URLChangeUpdate : public juce::AsyncUpdater
    {
        // Members
    private:
        Array<URLChangeListener *, CriticalSection> listeners; 
        CriticalSection                             urlProtection;
        String                                      newURL;

    public:
        void UpdateURL(const juce::String & _newURL) 
        {
            ScopedLock lock(urlProtection);
            newURL = _newURL;
            triggerAsyncUpdate();
        }

        void addListener(URLChangeListener * listener)
        {
            listeners.addIfNotAlreadyThere(listener);
        }

        void removeListener(URLChangeListener * listener)
        {
            listeners.removeValue(listener);
        }

        virtual void    handleAsyncUpdate ()
        {
            String urlToBroadcast;
            {
                ScopedLock lock(urlProtection);
                urlToBroadcast = newURL;
            }

            listeners.lockArray();
            for (int i = 0; i < listeners.size(); i++)
            {
                if (listeners.getUnchecked(i))
                    listeners.getUnchecked(i)->URLIsChanged(urlToBroadcast);
            }
            listeners.unlockArray();
        }
    };
}





#endif

(C) An X-Ryl669 project 2007

This document describes Unlimited Zooming Interface source code. UZI stands for Unlimited Zooming Interface, and source code license is