Refactored OpenGL embedder that works on Android, Mac or Linux.

runtime/embedders/openglui/common/sound_handler.h

Index: runtime/embedders/openglui/common/sound_handler.h
===================================================================
--- runtime/embedders/openglui/common/sound_handler.h	(revision 0)
+++ runtime/embedders/openglui/common/sound_handler.h	(revision 0)
@@ -0,0 +1,63 @@
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+#ifndef EMBEDDERS_OPENGLUI_COMMON_SOUND_HANDLER_H_
+#define EMBEDDERS_OPENGLUI_COMMON_SOUND_HANDLER_H_
+
+#include <stdint.h>
+#include <vector>
+
+#include "embedders/openglui/common/sample.h"
+
+class SoundHandler {
+  public:
+    SoundHandler();
+
+    virtual ~SoundHandler() {
+    }
+
+    virtual int32_t Start() {
+      return 0;
+    }
+
+    virtual void Stop() {
+    }
+
+    virtual int32_t PlayBackground(const char* path) {
+      return 0;
+    }
+
+    virtual void StopBackground() {
+    }
+
+    // Optional, for preloading.
+    int32_t LoadSample(const char* path) {
+       return (GetSample(path) == NULL) ? -1 : 0;
+    }
+
+    virtual int32_t PlaySample(const char* path) {
+      return 0;
+    }
+
+    static SoundHandler* instance() {
+      return instance_;
+    }
+
+  protected:
+    typedef std::vector<Sample*> samples_t;
+
+    Sample* GetSample(const char* path);
+
+    samples_t samples_;
+
+    static SoundHandler* instance_;
+};
+
+int32_t PlayBackgroundSound(const char* path);
+void StopBackgroundSound();
+int32_t LoadSoundSample(const char* path);
+int32_t PlaySoundSample(const char* path);
+
+#endif  // EMBEDDERS_OPENGLUI_COMMON_SOUND_HANDLER_H_
+