mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-09 23:34:20 +00:00
91 lines
3.3 KiB
C++
91 lines
3.3 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE framework.
|
|
Copyright (c) Raw Material Software Limited
|
|
|
|
JUCE is an open source framework subject to commercial or open source
|
|
licensing.
|
|
|
|
By downloading, installing, or using the JUCE framework, or combining the
|
|
JUCE framework with any other source code, object code, content or any other
|
|
copyrightable work, you agree to the terms of the JUCE End User Licence
|
|
Agreement, and all incorporated terms including the JUCE Privacy Policy and
|
|
the JUCE Website Terms of Service, as applicable, which will bind you. If you
|
|
do not agree to the terms of these agreements, we will not license the JUCE
|
|
framework to you, and you must discontinue the installation or download
|
|
process and cease use of the JUCE framework.
|
|
|
|
JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
|
|
JUCE Privacy Policy: https://juce.com/juce-privacy-policy
|
|
JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
|
|
|
|
Or:
|
|
|
|
You may also use this code under the terms of the AGPLv3:
|
|
https://www.gnu.org/licenses/agpl-3.0.en.html
|
|
|
|
THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
|
|
WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
|
|
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
namespace juce
|
|
{
|
|
|
|
//==============================================================================
|
|
/** Manages a list of ActionListeners, and can send them messages.
|
|
|
|
To quickly add methods to your class that can add/remove action
|
|
listeners and broadcast to them, you can derive from this.
|
|
|
|
@see ActionListener, ChangeListener
|
|
|
|
@tags{Events}
|
|
*/
|
|
class JUCE_API ActionBroadcaster
|
|
{
|
|
public:
|
|
//==============================================================================
|
|
/** Creates an ActionBroadcaster. */
|
|
ActionBroadcaster();
|
|
|
|
/** Destructor. */
|
|
virtual ~ActionBroadcaster();
|
|
|
|
//==============================================================================
|
|
/** Adds a listener to the list.
|
|
Trying to add a listener that's already on the list will have no effect.
|
|
*/
|
|
void addActionListener (ActionListener* listener);
|
|
|
|
/** Removes a listener from the list.
|
|
If the listener isn't on the list, this won't have any effect.
|
|
*/
|
|
void removeActionListener (ActionListener* listener);
|
|
|
|
/** Removes all listeners from the list. */
|
|
void removeAllActionListeners();
|
|
|
|
//==============================================================================
|
|
/** Broadcasts a message to all the registered listeners.
|
|
@see ActionListener::actionListenerCallback
|
|
*/
|
|
void sendActionMessage (const String& message) const;
|
|
|
|
|
|
private:
|
|
//==============================================================================
|
|
class ActionMessage;
|
|
friend class ActionMessage;
|
|
|
|
SortedSet<ActionListener*> actionListeners;
|
|
CriticalSection actionListenerLock;
|
|
|
|
JUCE_DECLARE_WEAK_REFERENCEABLE (ActionBroadcaster)
|
|
JUCE_DECLARE_NON_COPYABLE (ActionBroadcaster)
|
|
};
|
|
|
|
} // namespace juce
|