TEvent.cpp

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#include "ToshiPCH.h"
 
//-----------------------------------------------------------------------------
// Enables memory debugging.
// Note: Should be the last include!
//-----------------------------------------------------------------------------
#include "Core/TMemoryDebugOn.h"
 
TOSHI_NAMESPACE_START
 
void TGenericListener::Connect( TGenericEmitter& a_rEmitter, void* a_pCaller, t_Callback a_pCallback, TINT a_iPriority )
{
    TASSERT( IsLinked() == TFALSE );
    m_pCaller   = a_pCaller;
    m_pCallback = a_pCallback;
    SetPriority( a_iPriority );
    a_rEmitter.GetListeners().Insert( this );
}
 
void TGenericListener::Disconnect()
{
    Remove();
    m_pCaller   = TNULL;
    m_pCallback = TNULL;
}
 
TGenericListener::~TGenericListener()
{
    Disconnect();
}
 
void TGenericListener::Execute( void* pOwner, void* pData )
{
    m_pCallback( m_pCaller, pOwner, pData );
}
 
void TGenericEmitter::Destroy()
{
    if ( !m_Listeners.IsEmpty() )
    {
        for ( auto it = m_Listeners.Begin(); it != m_Listeners.End(); it++ )
        {
            it->Disconnect();
        }
    }
 
    m_pOwner = TNULL;
}
 
void TGenericEmitter::Create( void* a_pOwner )
{
    m_pOwner = a_pOwner;
}
 
void TGenericEmitter::Throw( void* a_pData )
{
    auto pListener = m_Listeners.Begin();
 
    while ( pListener != m_Listeners.End() )
    {
        auto pNextListener = pListener->Next();
        pListener->Execute( m_pOwner, a_pData );
        pListener = pNextListener;
    }
}
 
TGenericEmitter::TGenericEmitter( void* a_pOwner )
{
    Create( a_pOwner );
}
 
TGenericEmitter::TGenericEmitter()
{
    Create( TNULL );
}
 
TOSHI_NAMESPACE_END