1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef MEDIA_MIDI_USB_MIDI_DEVICE_FACTORY_ANDROID_H_
6#define MEDIA_MIDI_USB_MIDI_DEVICE_FACTORY_ANDROID_H_
7
8#include <jni.h>
9#include <vector>
10
11#include "base/android/scoped_java_ref.h"
12#include "base/basictypes.h"
13#include "base/callback.h"
14#include "base/memory/scoped_vector.h"
15#include "base/memory/weak_ptr.h"
16#include "media/base/media_export.h"
17#include "media/midi/usb_midi_device.h"
18
19namespace media {
20
21// This class enumerates UsbMidiDevices.
22class MEDIA_EXPORT UsbMidiDeviceFactoryAndroid : public UsbMidiDevice::Factory {
23 public:
24  UsbMidiDeviceFactoryAndroid();
25  virtual ~UsbMidiDeviceFactoryAndroid();
26
27  // UsbMidiDevice::Factory implementation.
28  virtual void EnumerateDevices(UsbMidiDeviceDelegate* delegate,
29                                Callback callback) OVERRIDE;
30
31  void OnUsbMidiDeviceRequestDone(JNIEnv* env,
32                                  jobject caller,
33                                  jobjectArray devices);
34
35  static bool RegisterUsbMidiDeviceFactory(JNIEnv* env);
36
37 private:
38  base::android::ScopedJavaGlobalRef<jobject> raw_factory_;
39  // Not owned.
40  UsbMidiDeviceDelegate* delegate_;
41  Callback callback_;
42
43  DISALLOW_COPY_AND_ASSIGN(UsbMidiDeviceFactoryAndroid);
44};
45
46}  // namespace media
47
48#endif  // MEDIA_MIDI_USB_MIDI_DEVICE_FACTORY_ANDROID_H_
49