Initial UI files for AudioUnit container

AudioUnit/AudioGroupFilePresenter.hpp

@@ -0,0 +1,37 @@
+#ifndef __AMUSE_AUDIOUNIT_AUDIOGROUPFILEPRESENTER_HPP__
+#define __AMUSE_AUDIOUNIT_AUDIOGROUPFILEPRESENTER_HPP__
+
+#import <Foundation/Foundation.h>
+#include <map>
+#include <string>
+
+@class AudioGroupFilePresenter;
+
+struct AudioGroupDataCollection
+{
+    NSURL* m_proj = nullptr; /* Only this member set for single-file containers */
+    NSURL* m_pool = nullptr;
+    NSURL* m_sdir = nullptr;
+    NSURL* m_samp = nullptr;
+
+    bool invalidateURL(NSURL* url);
+    void moveURL(NSURL* oldUrl, NSURL* newUrl);
+
+    std::unique_ptr<uint8_t[]> _coordinateRead(AudioGroupFilePresenter* presenter, size_t& szOut, NSURL* url);
+
+    std::unique_ptr<uint8_t[]> coordinateProjRead(AudioGroupFilePresenter* presenter, size_t& szOut);
+    std::unique_ptr<uint8_t[]> coordinatePoolRead(AudioGroupFilePresenter* presenter, size_t& szOut);
+    std::unique_ptr<uint8_t[]> coordinateSdirRead(AudioGroupFilePresenter* presenter, size_t& szOut);
+    std::unique_ptr<uint8_t[]> coordinateSampRead(AudioGroupFilePresenter* presenter, size_t& szOut);
+};
+
+@interface AudioGroupFilePresenter : NSObject <NSFilePresenter>
+{
+    NSURL* m_groupURL;
+    NSOperationQueue* m_dataQueue;
+    std::map<std::string, AudioGroupDataCollection> m_audioGroupCollections;
+}
+
+@end
+
+#endif // __AMUSE_AUDIOUNIT_AUDIOGROUPFILEPRESENTER_HPP__