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_ANDROID_H_ 6 #define MEDIA_MIDI_USB_MIDI_DEVICE_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 "media/base/media_export.h" 15 #include "media/midi/usb_midi_device.h" 16 17 namespace media { 18 19 class MEDIA_EXPORT UsbMidiDeviceAndroid : public UsbMidiDevice { 20 public: 21 typedef base::android::ScopedJavaLocalRef<jobject> ObjectRef; 22 23 static scoped_ptr<Factory> CreateFactory(); 24 25 UsbMidiDeviceAndroid(ObjectRef raw_device, UsbMidiDeviceDelegate* delegate); 26 virtual ~UsbMidiDeviceAndroid(); 27 28 // UsbMidiDevice implementation. 29 virtual std::vector<uint8> GetDescriptor() OVERRIDE; 30 virtual void Send(int endpoint_number, 31 const std::vector<uint8>& data) OVERRIDE; 32 33 // Called by the Java world. 34 void OnData(JNIEnv* env, 35 jobject caller, 36 jint endpoint_number, 37 jbyteArray data); 38 39 static bool RegisterUsbMidiDevice(JNIEnv* env); 40 41 private: 42 // The actual device object. 43 base::android::ScopedJavaGlobalRef<jobject> raw_device_; 44 UsbMidiDeviceDelegate* delegate_; 45 46 DISALLOW_IMPLICIT_CONSTRUCTORS(UsbMidiDeviceAndroid); 47 }; 48 49 } // namespace media 50 51 #endif // MEDIA_MIDI_USB_MIDI_DEVICE_ANDROID_H_ 52