101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
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/****************************************************************************
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Copyright (c) 2006, Radon Labs GmbH
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "stdneb.h"
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#include "messaging/handler.h"
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namespace Messaging
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{
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__ImplementClass(Messaging::Handler, 'MHDL', Core::RefCounted);
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//------------------------------------------------------------------------------
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/**
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*/
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Handler::Handler() :
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isOpen(false)
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{
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// empty
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}
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//------------------------------------------------------------------------------
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/**
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*/
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Handler::~Handler()
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{
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n_assert(!this->IsOpen());
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}
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//------------------------------------------------------------------------------
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/**
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Open the handler. This method is called once after the handler has been
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attached to a port and before the first call to HandleMessage().
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*/
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void
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Handler::Open()
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{
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n_assert(!this->IsOpen());
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this->isOpen = true;
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}
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//------------------------------------------------------------------------------
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/**
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Close the handler. This method is called once before the handler
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is detached from the port.
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*/
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void
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Handler::Close()
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{
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n_assert(this->IsOpen());
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this->isOpen = false;
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}
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//------------------------------------------------------------------------------
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/**
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Derive this method in a subclass to handle specific messages. The method
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should return true only if a message has been handled.
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*/
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bool
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Handler::HandleMessage(const GPtr<Message>& msg)
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{
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n_assert(msg.isvalid());
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n_assert(this->isOpen);
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return false;
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}
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//------------------------------------------------------------------------------
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/**
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This is an optional method for handlers which need to do continuous
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work (like a render thread message handler). This message will
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be called after messages have been handled.
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*/
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void
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Handler::DoWork()
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{
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// empty, override in subclass
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n_assert2(this->isOpen, this->GetRtti()->GetName().AsCharPtr());
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}
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} // namespace Messaging
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