1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2  *
3  * This Source Code Form is subject to the terms of the Mozilla Public
4  * License, v. 2.0. If a copy of the MPL was not distributed with this
5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 
7 #ifndef __nsSound_h__
8 #define __nsSound_h__
9 
10 #include "nsISound.h"
11 #include "nsIObserver.h"
12 #include "nsIStreamLoader.h"
13 #include "nsCOMPtr.h"
14 #include "mozilla/StaticPtr.h"
15 
16 class nsIThread;
17 class nsIRunnable;
18 
19 class nsSound : public nsISound,
20                 public nsIStreamLoaderObserver,
21                 public nsIObserver
22 
23 {
24  public:
25   nsSound();
26   static already_AddRefed<nsISound> GetInstance();
27 
28   NS_DECL_ISUPPORTS
29   NS_DECL_NSISOUND
30   NS_DECL_NSISTREAMLOADEROBSERVER
31   NS_DECL_NSIOBSERVER
32 
33  private:
34   virtual ~nsSound();
35   void PurgeLastSound();
36 
37  private:
38   nsresult CreatePlayerThread();
39 
40   nsCOMPtr<nsIThread> mPlayerThread;
41   nsCOMPtr<nsIRunnable> mSoundPlayer;
42   bool mInited;
43 
44   static mozilla::StaticRefPtr<nsISound> sInstance;
45 };
46 
47 #endif /* __nsSound_h__ */
48