/[svn]/linuxsampler/trunk/src/EventListeners.h
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Diff of /linuxsampler/trunk/src/EventListeners.h

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revision 1686 by schoenebeck, Thu Feb 14 14:58:50 2008 UTC revision 1761 by iliev, Fri Aug 29 15:42:06 2008 UTC
# Line 28  namespace LinuxSampler { Line 28  namespace LinuxSampler {
28    
29      // just symbol prototyping      // just symbol prototyping
30      class SamplerChannel;      class SamplerChannel;
31        class MidiInputDevice;
32        class MidiInputPort;
33    
34      template<class L>      template<class L>
35      class ListenerList {      class ListenerList {
# Line 95  namespace LinuxSampler { Line 97  namespace LinuxSampler {
97      };      };
98    
99      /**      /**
100         * This class exists as convenience for creating listener objects.
101         * The methods in this class are empty.
102         */
103        class ChannelCountAdapter : public ChannelCountListener {
104            public:
105                virtual void ChannelCountChanged(int NewCount) { };
106                virtual void ChannelAdded(SamplerChannel* pChannel) { };
107                virtual void ChannelToBeRemoved(SamplerChannel* pChannel) { };
108        };
109    
110        /**
111       * This class is used as a listener, which is notified       * This class is used as a listener, which is notified
112       * when the number of audio output devices is changed.       * when the number of audio output devices is changed.
113       */       */
# Line 118  namespace LinuxSampler { Line 131  namespace LinuxSampler {
131               * @param NewCount The new number of MIDI input devices.               * @param NewCount The new number of MIDI input devices.
132               */               */
133              virtual void MidiDeviceCountChanged(int NewCount) = 0;              virtual void MidiDeviceCountChanged(int NewCount) = 0;
134    
135                /**
136                 * Invoked right before the supplied MIDI input device is going
137                 * to be destroyed.
138                 * @param pDevice MidiInputDevice to be deleted
139                 */
140                virtual void MidiDeviceToBeDestroyed(MidiInputDevice* pDevice) = 0;
141    
142                /**
143                 * Invoked to inform that a new MidiInputDevice has just been
144                 * created.
145                 * @param pDevice newly created MidiInputDevice
146                 */
147                virtual void MidiDeviceCreated(MidiInputDevice* pDevice) = 0;
148        };
149    
150        /**
151         * This class is used as a listener, which is notified
152         * when the number of MIDI input ports is changed.
153         */
154        class MidiPortCountListener {
155            public:
156                /**
157                 * Invoked when the number of MIDI input ports has changed.
158                 * @param NewCount The new number of MIDI input ports.
159                 */
160                virtual void MidiPortCountChanged(int NewCount) = 0;
161    
162                /**
163                 * Invoked right before the supplied MIDI input port is going
164                 * to be destroyed.
165                 * @param pPort MidiInputPort to be deleted
166                 */
167                virtual void MidiPortToBeRemoved(MidiInputPort* pPort) = 0;
168    
169                /**
170                 * Invoked to inform that a new MidiInputPort has just been
171                 * added.
172                 * @param pPort newly created MidiInputPort
173                 */
174                virtual void MidiPortAdded(MidiInputPort* pPort) = 0;
175      };      };
176    
177      /**      /**
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