diff options
Diffstat (limited to 'common/system.h')
| -rw-r--r-- | common/system.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/common/system.h b/common/system.h index 243343ce0d..4b85f143b7 100644 --- a/common/system.h +++ b/common/system.h @@ -96,6 +96,23 @@ protected: OSystem(); virtual ~OSystem(); +protected: + /** + * For backend authors only, this pointer may be set by OSystem + * subclasses to an AudioCDManager instance. This is only useful + * if your backend does not want to use the DefaultAudioCDManager. + * + * This instance is returned by OSystem::getAudioCDManager(), + * and it is deleted by the OSystem destructor. + * + * A backend may set this pointer in its initBackend() method, + * its constructor or somewhere in between; but it must + * set it no later than in its initBackend() implementation, because + * OSystem::initBackend() will by default create a DefaultAudioCDManager + * instance if _audiocdManager has not yet been set. + */ + AudioCDManager *_audiocdManager; + public: /** @@ -106,7 +123,7 @@ public: * parent class. They should do so near the end of their own * implementation. */ - virtual void initBackend() { } + virtual void initBackend(); /** * Allows the backend to perform engine specific init. @@ -921,7 +938,9 @@ public: * Return the audio cd manager. For more information, refer to the * AudioCDManager documentation. */ - virtual AudioCDManager *getAudioCDManager() = 0; + inline AudioCDManager *getAudioCDManager() { + return _audiocdManager; + } //@} |