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42 lines
847 B
42 lines
847 B
#include "isubject.h" |
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#include "iobserver.h" |
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#include <kdebug.h> |
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namespace KMail { |
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ISubject::ISubject() |
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{ |
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} |
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ISubject::~ISubject() |
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{ |
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mObserverList.clear(); |
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} |
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void ISubject::attach( IObserver * pObserver ) |
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{ |
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if (mObserverList.find( pObserver ) == -1) |
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mObserverList.append( pObserver ); |
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} |
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void ISubject::detach( IObserver * pObserver ) |
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{ |
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mObserverList.remove( pObserver ); |
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} |
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void ISubject::notify() |
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{ |
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kdDebug(5006) << "ISubject::notify " << mObserverList.count() << endl; |
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QPtrListIterator<IObserver> it( mObserverList ); |
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IObserver* observer; |
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while ( (observer = it.current()) != 0 ) |
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{ |
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++it; |
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bool success = observer->update( this ); |
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if ( !success ) |
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kdWarning(5006) << "ISubject::notify returned false for observer " << observer << endl; |
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} |
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} |
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}; |
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