SpeakerView
SpeakerView *speakerView = new SpeakerView(buttonRect,
SpeakerView::SpeakerView(BRect rect, uint32 resizeFlags)
SpeakerView::~SpeakerView()
SpeakerView::Draw(BRect updateRect)
class SpeakerView : public BBox
SpeakerView(BRect rect, uint32 resizeFlags);
~SpeakerView();