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 19 namespace media { 20 21 // This class enumerates UsbMidiDevices. 22 class 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