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85 lines
3.3 KiB
C++
85 lines
3.3 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-10 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#ifndef __JUCE_CALLBACKMESSAGE_JUCEHEADER__
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#define __JUCE_CALLBACKMESSAGE_JUCEHEADER__
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#include "juce_Message.h"
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//==============================================================================
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/**
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A message that calls a custom function when it gets delivered.
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You can use this class to fire off actions that you want to be performed later
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on the message thread.
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Unlike other Message objects, these don't get sent to a MessageListener, you
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just call the post() method to send them, and when they arrive, your
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messageCallback() method will automatically be invoked.
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Always create an instance of a CallbackMessage on the heap, as it will be
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deleted automatically after the message has been delivered.
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@see MessageListener, MessageManager, ActionListener, ChangeListener
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*/
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class JUCE_API CallbackMessage : public Message
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{
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public:
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//==============================================================================
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CallbackMessage() throw();
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/** Destructor. */
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~CallbackMessage() throw();
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//==============================================================================
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/** Called when the message is delivered.
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You should implement this method and make it do whatever action you want
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to perform.
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Note that like all other messages, this object will be deleted immediately
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after this method has been invoked.
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*/
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virtual void messageCallback() = 0;
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/** Instead of sending this message to a MessageListener, just call this method
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to post it to the event queue.
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After you've called this, this object will belong to the MessageManager,
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which will delete it later. So make sure you don't delete the object yourself,
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call post() more than once, or call post() on a stack-based obect!
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*/
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void post();
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//==============================================================================
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juce_UseDebuggingNewOperator
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private:
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CallbackMessage (const CallbackMessage&);
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CallbackMessage& operator= (const CallbackMessage&);
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};
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#endif // __JUCE_CALLBACKMESSAGE_JUCEHEADER__
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